FFmpeg
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mxfenc.c
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1 /*
2  * MXF muxer
3  * Copyright (c) 2008 GUCAS, Zhentan Feng <spyfeng at gmail dot com>
4  * Copyright (c) 2008 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * FFmpeg is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with FFmpeg; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 /*
24  * signal_standard, color_siting, store_user_comments, sample rate and klv_fill_key version
25  * fixes sponsored by NOA GmbH
26  */
27 
28 /*
29  * References
30  * SMPTE 336M KLV Data Encoding Protocol Using Key-Length-Value
31  * SMPTE 377M MXF File Format Specifications
32  * SMPTE 379M MXF Generic Container
33  * SMPTE 381M Mapping MPEG Streams into the MXF Generic Container
34  * SMPTE 422M Mapping JPEG 2000 Codestreams into the MXF Generic Container
35  * SMPTE RP210: SMPTE Metadata Dictionary
36  * SMPTE RP224: Registry of SMPTE Universal Labels
37  */
38 
39 #include <inttypes.h>
40 #include <math.h>
41 #include <time.h>
42 
43 #include "libavutil/opt.h"
44 #include "libavutil/random_seed.h"
45 #include "libavutil/timecode.h"
46 #include "libavutil/avassert.h"
47 #include "libavutil/pixdesc.h"
49 #include "libavcodec/bytestream.h"
50 #include "libavcodec/dnxhddata.h"
51 #include "libavcodec/dv_profile.h"
52 #include "libavcodec/h264.h"
53 #include "libavcodec/internal.h"
54 #include "audiointerleave.h"
55 #include "avformat.h"
56 #include "avio_internal.h"
57 #include "internal.h"
58 #include "mxf.h"
59 #include "config.h"
60 
63 
64 #define EDIT_UNITS_PER_BODY 250
65 #define KAG_SIZE 512
66 
67 typedef struct MXFLocalTagPair {
68  int local_tag;
71 
72 typedef struct MXFIndexEntry {
74  uint64_t offset;
75  unsigned slice_offset; ///< offset of audio slice
76  uint16_t temporal_ref;
78 
79 typedef struct MXFStreamContext {
82  int index; ///< index in mxf_essence_container_uls table
83  const UID *codec_ul;
84  int order; ///< interleaving order if dts are equal
85  int interlaced; ///< whether picture is interlaced
86  int field_dominance; ///< tff=1, bff=2
92  AVRational aspect_ratio; ///< display aspect ratio
93  int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
96 
97 typedef struct MXFContainerEssenceEntry {
103 
104 typedef struct MXFPackage {
105  char *name;
107  int instance;
108  struct MXFPackage *ref;
109 } MXFPackage;
110 
111 enum ULIndex {
150 };
151 
152 static const struct {
153  enum AVCodecID id;
155 } mxf_essence_mappings[] = {
163  { AV_CODEC_ID_NONE }
164 };
165 
166 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
167 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
169 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
171 
173  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
174  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
175  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
177  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
178  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
179  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
181  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
182  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
183  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
185  // D-10 625/50 PAL 50mb/s
186  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
187  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
188  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
190  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
191  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
192  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
194  // D-10 525/60 NTSC 50mb/s
195  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
196  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
197  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 },
199  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
200  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
201  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
203  // D-10 625/50 PAL 40mb/s
204  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
205  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
206  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 },
208  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
209  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
210  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
212  // D-10 525/60 NTSC 40mb/s
213  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
214  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
215  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 },
217  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
218  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
219  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
221  // D-10 625/50 PAL 30mb/s
222  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
223  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
224  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 },
226  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
227  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
228  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
230  // D-10 525/60 NTSC 30mb/s
231  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
232  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
233  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 },
235  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
236  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
237  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
239  // DV Unknown
240  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
241  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
242  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
244 
245  // DV25 525/60
246  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 },
247  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
248  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
250  // DV25 625/50
251  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 },
252  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
253  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 },
255 
256  // IEC DV25 525/60
257  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x01,0x01 },
258  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
259  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
261  // IEC DV25 625/50
262  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x02,0x01 },
263  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
264  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x02,0x00 },
266 
267  // DV50 525/60
268  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 },
269  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
270  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 },
272  // DV50 625/50
273  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 },
274  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
275  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 },
277  // DV100 1080/60
278  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 },
279  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
280  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 },
282  // DV100 1080/50
283  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 },
284  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
285  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 },
287  // DV100 720/60
288  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 },
289  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
290  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 },
292  // DV100 720/50
293  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 },
294  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
295  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 },
297  // DNxHD 1080p 10bit high
298  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
299  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
300  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
302  // DNxHD 1080p 8bit medium
303  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
304  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
305  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 },
307  // DNxHD 1080p 8bit high
308  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
309  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
310  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 },
312  // DNxHD 1080i 10bit high
313  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
314  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
315  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 },
317  // DNxHD 1080i 8bit medium
318  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
319  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
320  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 },
322  // DNxHD 1080i 8bit high
323  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
324  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
325  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 },
327  // DNxHD 720p 10bit
328  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
329  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
330  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 },
332  // DNxHD 720p 8bit high
333  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
334  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
335  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 },
337  // DNxHD 720p 8bit medium
338  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
339  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
340  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 },
342  // DNxHD 720p 8bit low
343  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
344  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
345  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 },
347  // JPEG2000
348  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
349  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
350  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 },
352  // H.264
353  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 },
354  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
355  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
357  { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
358  { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
359  { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
360  NULL },
361 };
362 
363 typedef struct MXFContext {
371  uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
372  uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
376  int last_key_index; ///< index of last key frame
377  uint64_t duration;
378  AVTimecode tc; ///< timecode context
380  int timecode_base; ///< rounded time code base (25 or 30)
381  int edit_unit_byte_count; ///< fixed edit unit byte count
382  uint64_t body_offset;
383  uint32_t instance_number;
384  uint8_t umid[16]; ///< unique material identifier
390  int track_instance_count; // used to generate MXFTrack uuids
391 } MXFContext;
392 
393 static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
394 static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
395 
396 /**
397  * complete key for operation pattern, partitions, and primer pack
398  */
399 static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
400 static const uint8_t opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 };
401 static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
402 static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
403 static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
404 static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
405 static const uint8_t header_open_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x02,0x01,0x00 }; // OpenIncomplete
406 static const uint8_t header_closed_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x02,0x04,0x00 }; // ClosedComplete
407 static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
408 static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
409 
410 /**
411  * partial key for header metadata
412  */
413 static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
414 static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
415 
416 /**
417  * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
418  * https://smpte-ra.org/sites/default/files/Labels.xml
419  */
421  // preface set
422  { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
423  { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
424  { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
425  { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
426  { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
427  { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
428  { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
429  { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
430  // Identification
431  { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
432  { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
433  { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
434  { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
435  { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
436  { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
437  // Content Storage
438  { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
439  { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
440  // Essence Container Data
441  { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
442  { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
443  // Package
444  { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
445  { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
446  { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
447  { 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */
448  { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
449  { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
450  // Track
451  { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
452  { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
453  { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
454  { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
455  { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
456  // Sequence
457  { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
458  { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
459  { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
460  // Source Clip
461  { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
462  { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
463  { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
464  // Timecode Component
465  { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
466  { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
467  { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
468  // File Descriptor
469  { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
470  { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
471  { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
472  { 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */
473  { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
474  // Generic Picture Essence Descriptor
475  { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
476  { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
477  { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
478  { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
479  { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
480  { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
481  { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */
482  { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
483  { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
484  { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
485  { 0x3215, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x05,0x01,0x13,0x00,0x00,0x00,0x00}}, /* Signal Standard */
486  // CDCI Picture Essence Descriptor
487  { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
488  { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
489  { 0x3303, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x06,0x00,0x00,0x00}}, /* Color Siting */
490  // Generic Sound Essence Descriptor
491  { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
492  { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
493  { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
494  { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
495  { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
496  // Index Table Segment
497  { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
498  { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
499  { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
500  { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
501  { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
502  { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
503  { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
504  { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
505  // MPEG video Descriptor
506  { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
507  { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
508  // Wave Audio Essence Descriptor
509  { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
510  { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
511 };
512 
514  { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */
515  { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */
516  { 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */
517 };
518 
520 {
521  avio_write(pb, uuid_base, 12);
522  avio_wb16(pb, type);
523  avio_wb16(pb, value);
524 }
525 
527 {
528  MXFContext *mxf = s->priv_data;
529  avio_write(s->pb, umid_ul, 13);
530  avio_wb24(s->pb, mxf->instance_number);
531  avio_write(s->pb, mxf->umid, 15);
532  avio_w8(s->pb, type);
533 }
534 
535 static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
536 {
537  avio_wb32(pb, ref_count);
538  avio_wb32(pb, 16);
539 }
540 
541 static int klv_ber_length(uint64_t len)
542 {
543  if (len < 128)
544  return 1;
545  else
546  return (av_log2(len) >> 3) + 2;
547 }
548 
549 static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
550 {
551  // Determine the best BER size
552  int size;
553  if (len < 128) {
554  //short form
555  avio_w8(pb, len);
556  return 1;
557  }
558 
559  size = (av_log2(len) >> 3) + 1;
560 
561  // long form
562  avio_w8(pb, 0x80 + size);
563  while(size) {
564  size--;
565  avio_w8(pb, len >> 8 * size & 0xff);
566  }
567  return 0;
568 }
569 
571 {
572  avio_w8(pb, 0x80 + 3);
573  avio_wb24(pb, len);
574 }
575 
576 static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
577 {
578  avio_w8(pb, 0x80 + 8);
579  avio_wb64(pb, len);
580 }
581 
582 /*
583  * Get essence container ul index
584  */
586 {
587  int i;
588  for (i = 0; mxf_essence_mappings[i].id; i++)
589  if (mxf_essence_mappings[i].id == id)
590  return mxf_essence_mappings[i].index;
591  return -1;
592 }
593 
595 {
596  MXFContext *mxf = s->priv_data;
597  AVIOContext *pb = s->pb;
598  int local_tag_number, i = 0;
599 
600  local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch);
601  local_tag_number += mxf->store_user_comments * FF_ARRAY_ELEMS(mxf_user_comments_local_tag);
602 
603  avio_write(pb, primer_pack_key, 16);
604  klv_encode_ber_length(pb, local_tag_number * 18 + 8);
605 
606  avio_wb32(pb, local_tag_number); // local_tag num
607  avio_wb32(pb, 18); // item size, always 18 according to the specs
608 
609  for (i = 0; i < FF_ARRAY_ELEMS(mxf_local_tag_batch); i++) {
610  avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
611  avio_write(pb, mxf_local_tag_batch[i].uid, 16);
612  }
613  if (mxf->store_user_comments)
614  for (i = 0; i < FF_ARRAY_ELEMS(mxf_user_comments_local_tag); i++) {
615  avio_wb16(pb, mxf_user_comments_local_tag[i].local_tag);
616  avio_write(pb, mxf_user_comments_local_tag[i].uid, 16);
617  }
618 }
619 
620 static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
621 {
622  avio_wb16(pb, tag);
623  avio_wb16(pb, size);
624 }
625 
626 static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
627 {
629  avio_wb24(pb, value);
630 }
631 
633 {
634  int i;
635 
636  for (i = 0; i < s->nb_streams; i++) {
637  AVStream *st = s->streams[i];
638  av_freep(&st->priv_data);
639  }
640 }
641 
643 {
645  while (uls->uid[0]) {
646  if (type == uls->id)
647  break;
648  uls++;
649  }
650  return uls;
651 }
652 
653 //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
654 #define DESCRIPTOR_COUNT(essence_container_count) \
655  (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
656 
658 {
659  MXFContext *c = s->priv_data;
660  AVIOContext *pb = s->pb;
661  int i;
662 
664  av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
665  for (i = 0; i < c->essence_container_count; i++) {
666  MXFStreamContext *sc = s->streams[i]->priv_data;
667  avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
668  }
669 
670  if (c->essence_container_count > 1)
671  avio_write(pb, multiple_desc_ul, 16);
672 }
673 
675 {
676  MXFContext *mxf = s->priv_data;
677  AVIOContext *pb = s->pb;
678 
679  mxf_write_metadata_key(pb, 0x012f00);
680  PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
682 
683  // write preface set uid
684  mxf_write_local_tag(pb, 16, 0x3C0A);
685  mxf_write_uuid(pb, Preface, 0);
686  PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
687 
688  // last modified date
689  mxf_write_local_tag(pb, 8, 0x3B02);
690  avio_wb64(pb, mxf->timestamp);
691 
692  // write version
693  mxf_write_local_tag(pb, 2, 0x3B05);
694  avio_wb16(pb, 258); // v1.2
695 
696  // write identification_refs
697  mxf_write_local_tag(pb, 16 + 8, 0x3B06);
698  mxf_write_refs_count(pb, 1);
700 
701  // write content_storage_refs
702  mxf_write_local_tag(pb, 16, 0x3B03);
704 
705  // operational pattern
706  mxf_write_local_tag(pb, 16, 0x3B09);
707  if (s->oformat == &ff_mxf_opatom_muxer)
708  avio_write(pb, opatom_ul, 16);
709  else
710  avio_write(pb, op1a_ul, 16);
711 
712  // write essence_container_refs
713  mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A);
715 
716  // write dm_scheme_refs
717  mxf_write_local_tag(pb, 8, 0x3B0B);
718  avio_wb64(pb, 0);
719 }
720 
721 /*
722  * Returns the length of the UTF-16 string, in 16-bit characters, that would result
723  * from decoding the utf-8 string.
724  */
725 static uint64_t mxf_utf16len(const char *utf8_str)
726 {
727  const uint8_t *q = utf8_str;
728  uint64_t size = 0;
729  while (*q) {
730  uint32_t ch;
731  GET_UTF8(ch, *q++, goto invalid;)
732  if (ch < 0x10000)
733  size++;
734  else
735  size += 2;
736  continue;
737 invalid:
738  av_log(NULL, AV_LOG_ERROR, "Invalid UTF8 sequence in mxf_utf16len\n\n");
739  }
740  size += 1;
741  return size;
742 }
743 
744 /*
745  * Returns the calculated length a local tag containing an utf-8 string as utf-16
746  */
747 static int mxf_utf16_local_tag_length(const char *utf8_str)
748 {
749  uint64_t size;
750 
751  if (!utf8_str)
752  return 0;
753 
754  size = mxf_utf16len(utf8_str);
755  if (size >= UINT16_MAX/2) {
756  av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
757  return 0;
758  }
759 
760  return 4 + size * 2;
761 }
762 
763 /*
764  * Write a local tag containing an utf-8 string as utf-16
765  */
766 static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
767 {
768  uint64_t size = mxf_utf16len(value);
769 
770  if (size >= UINT16_MAX/2) {
771  av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
772  return;
773  }
774 
775  mxf_write_local_tag(pb, size*2, tag);
776  avio_put_str16be(pb, value);
777 }
778 
780 {
781  MXFContext *mxf = s->priv_data;
782  AVIOContext *pb = s->pb;
783  const char *company = "FFmpeg";
784  const char *product = s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer";
785  const char *version;
786  int length;
787 
788  mxf_write_metadata_key(pb, 0x013000);
789  PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
790 
791  version = s->flags & AVFMT_FLAG_BITEXACT ?
793  length = 72 + mxf_utf16_local_tag_length(company) +
794  mxf_utf16_local_tag_length(product) +
796  klv_encode_ber_length(pb, length);
797 
798  // write uid
799  mxf_write_local_tag(pb, 16, 0x3C0A);
801  PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
802 
803  // write generation uid
804  mxf_write_local_tag(pb, 16, 0x3C09);
806  mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
807  mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
808  mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
809 
810  // write product uid
811  mxf_write_local_tag(pb, 16, 0x3C05);
813 
814  // modification date
815  mxf_write_local_tag(pb, 8, 0x3C06);
816  avio_wb64(pb, mxf->timestamp);
817 }
818 
819 static void mxf_write_content_storage(AVFormatContext *s, MXFPackage *packages, int package_count)
820 {
821  AVIOContext *pb = s->pb;
822  int i;
823 
824  mxf_write_metadata_key(pb, 0x011800);
825  PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
826  klv_encode_ber_length(pb, 60 + (16 * package_count));
827 
828  // write uid
829  mxf_write_local_tag(pb, 16, 0x3C0A);
831  PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
832 
833  // write package reference
834  mxf_write_local_tag(pb, 16 * package_count + 8, 0x1901);
835  mxf_write_refs_count(pb, package_count);
836  for (i = 0; i < package_count; i++) {
837  mxf_write_uuid(pb, packages[i].type, packages[i].instance);
838  }
839 
840  // write essence container data
841  mxf_write_local_tag(pb, 8 + 16, 0x1902);
842  mxf_write_refs_count(pb, 1);
844 }
845 
847 {
848  MXFContext *mxf = s->priv_data;
849  AVIOContext *pb = s->pb;
850  MXFStreamContext *sc = st->priv_data;
851 
852  mxf_write_metadata_key(pb, 0x013b00);
853  PRINT_KEY(s, "track key", pb->buf_ptr - 16);
854  klv_encode_ber_length(pb, 80);
855 
856  // write track uid
857  mxf_write_local_tag(pb, 16, 0x3C0A);
859  PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
860 
861  // write track id
862  mxf_write_local_tag(pb, 4, 0x4801);
863  avio_wb32(pb, st->index+2);
864 
865  // write track number
866  mxf_write_local_tag(pb, 4, 0x4804);
867  if (package->type == MaterialPackage)
868  avio_wb32(pb, 0); // track number of material package is 0
869  else
870  avio_write(pb, sc->track_essence_element_key + 12, 4);
871 
872  // write edit rate
873  mxf_write_local_tag(pb, 8, 0x4B01);
874 
875  if (st == mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer) {
876  avio_wb32(pb, mxf->tc.rate.num);
877  avio_wb32(pb, mxf->tc.rate.den);
878  } else {
879  avio_wb32(pb, mxf->time_base.den);
880  avio_wb32(pb, mxf->time_base.num);
881  }
882 
883  // write origin
884  mxf_write_local_tag(pb, 8, 0x4B02);
885  avio_wb64(pb, 0);
886 
887  // write sequence refs
888  mxf_write_local_tag(pb, 16, 0x4803);
890 }
891 
892 static const uint8_t smpte_12m_timecode_track_data_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x01,0x03,0x02,0x01,0x01,0x00,0x00,0x00 };
893 
895 {
896  MXFContext *mxf = s->priv_data;
897  AVIOContext *pb = s->pb;
898 
899  // find data define uls
900  mxf_write_local_tag(pb, 16, 0x0201);
901  if (st == mxf->timecode_track)
903  else {
904  const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codecpar->codec_type);
905  avio_write(pb, data_def_ul->uid, 16);
906  }
907 
908  // write duration
909  mxf_write_local_tag(pb, 8, 0x0202);
910 
911  if (st != mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer && st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
912  avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
913  } else {
914  avio_wb64(pb, mxf->duration);
915  }
916 }
917 
919 {
920  MXFContext *mxf = s->priv_data;
921  AVIOContext *pb = s->pb;
922  enum MXFMetadataSetType component;
923 
924  mxf_write_metadata_key(pb, 0x010f00);
925  PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
926  klv_encode_ber_length(pb, 80);
927 
928  mxf_write_local_tag(pb, 16, 0x3C0A);
930 
931  PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
933 
934  // write structural component
935  mxf_write_local_tag(pb, 16 + 8, 0x1001);
936  mxf_write_refs_count(pb, 1);
937  if (st == mxf->timecode_track)
938  component = TimecodeComponent;
939  else
940  component = SourceClip;
941 
942  mxf_write_uuid(pb, component, mxf->track_instance_count);
943 }
944 
946 {
947  MXFContext *mxf = s->priv_data;
948  AVIOContext *pb = s->pb;
949 
950  mxf_write_metadata_key(pb, 0x011400);
951  klv_encode_ber_length(pb, 75);
952 
953  // UID
954  mxf_write_local_tag(pb, 16, 0x3C0A);
956 
958 
959  // Start Time Code
960  mxf_write_local_tag(pb, 8, 0x1501);
961  avio_wb64(pb, mxf->tc.start);
962 
963  // Rounded Time Code Base
964  mxf_write_local_tag(pb, 2, 0x1502);
965  avio_wb16(pb, mxf->timecode_base);
966 
967  // Drop Frame
968  mxf_write_local_tag(pb, 1, 0x1503);
969  avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
970 }
971 
973 {
974  MXFContext *mxf = s->priv_data;
975  AVIOContext *pb = s->pb;
976  int i;
977 
978  mxf_write_metadata_key(pb, 0x011100);
979  PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
980  klv_encode_ber_length(pb, 108);
981 
982  // write uid
983  mxf_write_local_tag(pb, 16, 0x3C0A);
985 
986  PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
988 
989  // write start_position
990  mxf_write_local_tag(pb, 8, 0x1201);
991  avio_wb64(pb, 0);
992 
993  // write source package uid, end of the reference
994  mxf_write_local_tag(pb, 32, 0x1101);
995  if (!package->ref) {
996  for (i = 0; i < 4; i++)
997  avio_wb64(pb, 0);
998  } else
999  mxf_write_umid(s, package->ref->instance);
1000 
1001  // write source track id
1002  mxf_write_local_tag(pb, 4, 0x1102);
1003  if (package->type == SourcePackage && !package->ref)
1004  avio_wb32(pb, 0);
1005  else
1006  avio_wb32(pb, st->index+2);
1007 }
1008 
1010 {
1011  AVIOContext *pb = s->pb;
1012 
1013  mxf_write_metadata_key(pb, 0x012e00);
1014  PRINT_KEY(s, "tape descriptor key", pb->buf_ptr - 16);
1015  klv_encode_ber_length(pb, 20);
1016  mxf_write_local_tag(pb, 16, 0x3C0A);
1018  PRINT_KEY(s, "tape_desc uid", pb->buf_ptr - 16);
1019 }
1020 
1021 
1023 {
1024  MXFContext *mxf = s->priv_data;
1025  AVIOContext *pb = s->pb;
1026  const uint8_t *ul;
1027  int i;
1028 
1029  mxf_write_metadata_key(pb, 0x014400);
1030  PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
1031  klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
1032 
1033  mxf_write_local_tag(pb, 16, 0x3C0A);
1035  PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
1036 
1037  // write sample rate
1038  mxf_write_local_tag(pb, 8, 0x3001);
1039  avio_wb32(pb, mxf->time_base.den);
1040  avio_wb32(pb, mxf->time_base.num);
1041 
1042  // write essence container ul
1043  mxf_write_local_tag(pb, 16, 0x3004);
1044  if (mxf->essence_container_count > 1)
1045  ul = multiple_desc_ul;
1046  else {
1047  MXFStreamContext *sc = s->streams[0]->priv_data;
1048  ul = mxf_essence_container_uls[sc->index].container_ul;
1049  }
1050  avio_write(pb, ul, 16);
1051 
1052  // write sub descriptor refs
1053  mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01);
1055  for (i = 0; i < s->nb_streams; i++)
1056  mxf_write_uuid(pb, SubDescriptor, i);
1057 }
1058 
1059 static void mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1060 {
1061  MXFContext *mxf = s->priv_data;
1062  MXFStreamContext *sc = st->priv_data;
1063  AVIOContext *pb = s->pb;
1064 
1065  avio_write(pb, key, 16);
1066  klv_encode_ber4_length(pb, size+20+8+12+20);
1067 
1068  mxf_write_local_tag(pb, 16, 0x3C0A);
1070 
1071  mxf_write_local_tag(pb, 4, 0x3006);
1072  avio_wb32(pb, st->index+2);
1073 
1074  mxf_write_local_tag(pb, 8, 0x3001);
1075  if (s->oformat == &ff_mxf_d10_muxer) {
1076  avio_wb32(pb, mxf->time_base.den);
1077  avio_wb32(pb, mxf->time_base.num);
1078  } else {
1079  if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S16LE ||
1081  avio_wb32(pb, st->codecpar->sample_rate);
1082  avio_wb32(pb, 1);
1083  } else {
1084  avio_wb32(pb, mxf->time_base.den);
1085  avio_wb32(pb, mxf->time_base.num);
1086  }
1087  }
1088 
1089  mxf_write_local_tag(pb, 16, 0x3004);
1090  avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
1091 }
1092 
1093 static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
1094 static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
1095 static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
1096 static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
1097 static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
1098 
1099 static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1100 {
1101  MXFStreamContext *sc = st->priv_data;
1102  AVIOContext *pb = s->pb;
1103  int stored_height = (st->codecpar->height+15)/16*16;
1104  int display_height;
1105  int f1, f2;
1106  unsigned desc_size = size+8+8+8+8+8+8+8+5+16+4+12+20+5;
1107  if (sc->interlaced && sc->field_dominance)
1108  desc_size += 5;
1109  if (sc->signal_standard)
1110  desc_size += 5;
1111 
1112  mxf_write_generic_desc(s, st, key, desc_size);
1113 
1114  mxf_write_local_tag(pb, 4, 0x3203);
1115  avio_wb32(pb, st->codecpar->width);
1116 
1117  mxf_write_local_tag(pb, 4, 0x3202);
1118  avio_wb32(pb, stored_height>>sc->interlaced);
1119 
1120  mxf_write_local_tag(pb, 4, 0x3209);
1121  avio_wb32(pb, st->codecpar->width);
1122 
1123  if (st->codecpar->height == 608) // PAL + VBI
1124  display_height = 576;
1125  else if (st->codecpar->height == 512) // NTSC + VBI
1126  display_height = 486;
1127  else
1128  display_height = st->codecpar->height;
1129 
1130  mxf_write_local_tag(pb, 4, 0x3208);
1131  avio_wb32(pb, display_height>>sc->interlaced);
1132 
1133  // presentation Y offset
1134  mxf_write_local_tag(pb, 4, 0x320B);
1135  avio_wb32(pb, (st->codecpar->height - display_height)>>sc->interlaced);
1136 
1137  // component depth
1138  mxf_write_local_tag(pb, 4, 0x3301);
1139  avio_wb32(pb, sc->component_depth);
1140 
1141  // horizontal subsampling
1142  mxf_write_local_tag(pb, 4, 0x3302);
1143  avio_wb32(pb, sc->h_chroma_sub_sample);
1144 
1145  // color siting
1146  mxf_write_local_tag(pb, 1, 0x3303);
1147  avio_w8(pb, sc->color_siting);
1148 
1149  if (sc->signal_standard) {
1150  mxf_write_local_tag(pb, 1, 0x3215);
1151  avio_w8(pb, sc->signal_standard);
1152  }
1153 
1154  // frame layout
1155  mxf_write_local_tag(pb, 1, 0x320C);
1156  avio_w8(pb, sc->interlaced);
1157 
1158  // video line map
1159  switch (st->codecpar->height) {
1160  case 576: f1 = 23; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break;
1161  case 608: f1 = 7; f2 = 320; break;
1162  case 480: f1 = 20; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
1163  case 512: f1 = 7; f2 = 270; break;
1164  case 720: f1 = 26; f2 = 0; break; // progressive
1165  case 1080: f1 = 21; f2 = 584; break;
1166  default: f1 = 0; f2 = 0; break;
1167  }
1168 
1169  if (!sc->interlaced) {
1170  f2 = 0;
1171  f1 *= 2;
1172  }
1173 
1174 
1175  mxf_write_local_tag(pb, 16, 0x320D);
1176  avio_wb32(pb, 2);
1177  avio_wb32(pb, 4);
1178  avio_wb32(pb, f1);
1179  avio_wb32(pb, f2);
1180 
1181  mxf_write_local_tag(pb, 8, 0x320E);
1182  avio_wb32(pb, sc->aspect_ratio.num);
1183  avio_wb32(pb, sc->aspect_ratio.den);
1184 
1185  mxf_write_local_tag(pb, 16, 0x3201);
1186  avio_write(pb, *sc->codec_ul, 16);
1187 
1188  if (sc->interlaced && sc->field_dominance) {
1189  mxf_write_local_tag(pb, 1, 0x3212);
1190  avio_w8(pb, sc->field_dominance);
1191  }
1192 
1193 }
1194 
1196 {
1198 }
1199 
1201 {
1202  AVIOContext *pb = s->pb;
1203  MXFStreamContext *sc = st->priv_data;
1204  int profile_and_level = (st->codecpar->profile<<4) | st->codecpar->level;
1205 
1206  if (st->codecpar->codec_id != AV_CODEC_ID_H264) {
1208 
1209  // bit rate
1210  mxf_write_local_tag(pb, 4, 0x8000);
1211  avio_wb32(pb, sc->video_bit_rate);
1212 
1213  // profile and level
1214  mxf_write_local_tag(pb, 1, 0x8007);
1215  if (!st->codecpar->profile)
1216  profile_and_level |= 0x80; // escape bit
1217  avio_w8(pb, profile_and_level);
1218  } else {
1220  }
1221 }
1222 
1224 {
1225  AVIOContext *pb = s->pb;
1226  MXFContext *mxf = s->priv_data;
1227  int show_warnings = !mxf->footer_partition_offset;
1228  int duration_size = 0;
1229 
1230  if (s->oformat == &ff_mxf_opatom_muxer)
1231  duration_size = 12;
1232 
1233  mxf_write_generic_desc(s, st, key, size+duration_size+5+12+8+8);
1234 
1235  if (duration_size > 0) {
1236  mxf_write_local_tag(pb, 8, 0x3002);
1237  avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
1238  }
1239 
1240  // audio locked
1241  mxf_write_local_tag(pb, 1, 0x3D02);
1242  avio_w8(pb, 1);
1243 
1244  // write audio sampling rate
1245  mxf_write_local_tag(pb, 8, 0x3D03);
1246  avio_wb32(pb, st->codecpar->sample_rate);
1247  avio_wb32(pb, 1);
1248 
1249  mxf_write_local_tag(pb, 4, 0x3D07);
1250  if (mxf->channel_count == -1) {
1251  if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codecpar->channels != 4) && (st->codecpar->channels != 8))
1252  av_log(s, AV_LOG_WARNING, "the number of audio channels shall be 4 or 8 : the output will not comply to MXF D-10 specs, use -d10_channelcount to fix this\n");
1253  avio_wb32(pb, st->codecpar->channels);
1254  } else if (s->oformat == &ff_mxf_d10_muxer) {
1255  if (show_warnings && (mxf->channel_count < st->codecpar->channels))
1256  av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1257  if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1258  av_log(s, AV_LOG_WARNING, "d10_channelcount shall be set to 4 or 8 : the output will not comply to MXF D-10 specs\n");
1259  avio_wb32(pb, mxf->channel_count);
1260  } else {
1261  avio_wb32(pb, st->codecpar->channels);
1262  }
1263 
1264  mxf_write_local_tag(pb, 4, 0x3D01);
1266 }
1267 
1268 static void mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1269 {
1270  AVIOContext *pb = s->pb;
1271 
1272  mxf_write_generic_sound_common(s, st, key, size+6+8);
1273 
1274  mxf_write_local_tag(pb, 2, 0x3D0A);
1275  avio_wb16(pb, st->codecpar->block_align);
1276 
1277  // avg bytes per sec
1278  mxf_write_local_tag(pb, 4, 0x3D09);
1280 }
1281 
1283 {
1285 }
1286 
1288 {
1290 }
1291 
1293 {
1295 }
1296 
1297 static const uint8_t mxf_indirect_value_utf16le[] = { 0x4c,0x00,0x02,0x10,0x01,0x00,0x00,0x00,0x00,0x06,0x0e,0x2b,0x34,0x01,0x04,0x01,0x01 };
1298 
1299 static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value)
1300 {
1301  MXFContext *mxf = s->priv_data;
1302  AVIOContext *pb = s->pb;
1303  int name_size = mxf_utf16_local_tag_length(name);
1304  int indirect_value_size = 13 + mxf_utf16_local_tag_length(value);
1305 
1306  if (!name_size || indirect_value_size == 13)
1307  return 1;
1308 
1309  mxf_write_metadata_key(pb, 0x013f00);
1310  klv_encode_ber_length(pb, 24 + name_size + indirect_value_size);
1311 
1312  // write instance UID
1313  mxf_write_local_tag(pb, 16, 0x3C0A);
1315 
1316  // write name
1317  mxf_write_local_tag_utf16(pb, 0x5001, name); // Name
1318 
1319  // write indirect value
1320  mxf_write_local_tag(pb, indirect_value_size, 0x5003);
1322  avio_put_str16le(pb, value);
1323 
1324  mxf->tagged_value_count++;
1325  return 0;
1326 }
1327 
1329 {
1330  MXFContext *mxf = s->priv_data;
1331  AVDictionaryEntry *t = NULL;
1332  int count = 0;
1333 
1334  while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) {
1335  if (mxf->tagged_value_count >= UINT16_MAX) {
1336  av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n");
1337  return count;
1338  }
1339 
1340  if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0)
1341  count++;
1342  }
1343  return count;
1344 }
1345 
1347 {
1348  MXFContext *mxf = s->priv_data;
1349  AVIOContext *pb = s->pb;
1350  int i, track_count = s->nb_streams+1;
1351  int name_size = mxf_utf16_local_tag_length(package->name);
1352  int user_comment_count = 0;
1353 
1354  if (package->type == MaterialPackage) {
1355  if (mxf->store_user_comments)
1356  user_comment_count = mxf_write_user_comments(s, s->metadata);
1357  mxf_write_metadata_key(pb, 0x013600);
1358  PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1359  klv_encode_ber_length(pb, 92 + name_size + (16*track_count) + (16*user_comment_count) + 12LL*mxf->store_user_comments);
1360  } else {
1361  mxf_write_metadata_key(pb, 0x013700);
1362  PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1363  klv_encode_ber_length(pb, 112 + name_size + (16*track_count) + 12LL*mxf->store_user_comments); // 20 bytes length for descriptor reference
1364  }
1365 
1366  // write uid
1367  mxf_write_local_tag(pb, 16, 0x3C0A);
1368  mxf_write_uuid(pb, package->type, package->instance);
1369  av_log(s, AV_LOG_DEBUG, "package type:%d\n", package->type);
1370  PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1371 
1372  // write package umid
1373  mxf_write_local_tag(pb, 32, 0x4401);
1374  mxf_write_umid(s, package->instance);
1375  PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1376 
1377  // package name
1378  if (name_size)
1379  mxf_write_local_tag_utf16(pb, 0x4402, package->name);
1380 
1381  // package creation date
1382  mxf_write_local_tag(pb, 8, 0x4405);
1383  avio_wb64(pb, mxf->timestamp);
1384 
1385  // package modified date
1386  mxf_write_local_tag(pb, 8, 0x4404);
1387  avio_wb64(pb, mxf->timestamp);
1388 
1389  // write track refs
1390  mxf_write_local_tag(pb, track_count*16 + 8, 0x4403);
1391  mxf_write_refs_count(pb, track_count);
1392  // these are the uuids of the tracks the will be written in mxf_write_track
1393  for (i = 0; i < track_count; i++)
1394  mxf_write_uuid(pb, Track, mxf->track_instance_count + i);
1395 
1396  // write user comment refs
1397  if (mxf->store_user_comments) {
1398  mxf_write_local_tag(pb, user_comment_count*16 + 8, 0x4406);
1399  mxf_write_refs_count(pb, user_comment_count);
1400  for (i = 0; i < user_comment_count; i++)
1401  mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i);
1402  }
1403 
1404  // write multiple descriptor reference
1405  if (package->type == SourcePackage && package->instance == 1) {
1406  mxf_write_local_tag(pb, 16, 0x4701);
1407  if (s->nb_streams > 1) {
1410  } else
1411  mxf_write_uuid(pb, SubDescriptor, 0);
1412  } else if (package->type == SourcePackage && package->instance == 2) {
1413  mxf_write_local_tag(pb, 16, 0x4701);
1416  }
1417 
1418  /*
1419  * for every 1 track in a package there is 1 sequence and 1 component.
1420  * all 3 of these elements share the same instance number for generating
1421  * there instance uuids. mxf->track_instance_count stores this value.
1422  * mxf->track_instance_count is incremented after a group of all 3 of
1423  * these elements are written.
1424  */
1425 
1426  // write timecode track
1427  mxf_write_track(s, mxf->timecode_track, package);
1428  mxf_write_sequence(s, mxf->timecode_track, package);
1429  mxf_write_timecode_component(s, mxf->timecode_track, package);
1430  mxf->track_instance_count++;
1431 
1432  for (i = 0; i < s->nb_streams; i++) {
1433  AVStream *st = s->streams[i];
1434  mxf_write_track(s, st, package);
1435  mxf_write_sequence(s, st, package);
1436  mxf_write_structural_component(s, st, package);
1437  mxf->track_instance_count++;
1438 
1439  if (package->type == SourcePackage && package->instance == 1) {
1440  MXFStreamContext *sc = st->priv_data;
1441  mxf_essence_container_uls[sc->index].write_desc(s, st);
1442  }
1443  }
1444 }
1445 
1447 {
1448  AVIOContext *pb = s->pb;
1449 
1450  mxf_write_metadata_key(pb, 0x012300);
1451  klv_encode_ber_length(pb, 72);
1452 
1453  mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID
1455 
1456  mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID
1457  mxf_write_umid(s, 1);
1458 
1459  mxf_write_local_tag(pb, 4, 0x3F07); // BodySID
1460  avio_wb32(pb, 1);
1461 
1462  mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID
1463  avio_wb32(pb, 2);
1464 
1465  return 0;
1466 }
1467 
1469 {
1470  MXFContext *mxf = s->priv_data;
1471  AVDictionaryEntry *entry = NULL;
1472  AVStream *st = NULL;
1473  int i;
1474  MXFPackage packages[3] = {{0}};
1475  int package_count = 2;
1476  packages[0].type = MaterialPackage;
1477  packages[1].type = SourcePackage;
1478  packages[1].instance = 1;
1479  packages[0].ref = &packages[1];
1480 
1481 
1482  if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0))
1483  packages[0].name = entry->value;
1484 
1485  if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) {
1486  packages[1].name = entry->value;
1487  } else {
1488  /* check if any of the streams contain a file_package_name */
1489  for (i = 0; i < s->nb_streams; i++) {
1490  st = s->streams[i];
1491  if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) {
1492  packages[1].name = entry->value;
1493  break;
1494  }
1495  }
1496  }
1497 
1498  entry = av_dict_get(s->metadata, "reel_name", NULL, 0);
1499  if (entry) {
1500  packages[2].name = entry->value;
1501  packages[2].type = SourcePackage;
1502  packages[2].instance = 2;
1503  packages[1].ref = &packages[2];
1504  package_count = 3;
1505  }
1506 
1507  mxf_write_preface(s);
1509  mxf_write_content_storage(s, packages, package_count);
1510  mxf->track_instance_count = 0;
1511  for (i = 0; i < package_count; i++)
1512  mxf_write_package(s, &packages[i]);
1514  return 0;
1515 }
1516 
1517 static unsigned klv_fill_size(uint64_t size)
1518 {
1519  unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1520  if (pad < 20) // smallest fill item possible
1521  return pad + KAG_SIZE;
1522  else
1523  return pad & (KAG_SIZE-1);
1524 }
1525 
1527 {
1528  MXFContext *mxf = s->priv_data;
1529  AVIOContext *pb = s->pb;
1530  int i, j, temporal_reordering = 0;
1531  int key_index = mxf->last_key_index;
1532 
1533  av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1534 
1535  if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1536  return;
1537 
1539 
1540  if (mxf->edit_unit_byte_count) {
1541  klv_encode_ber_length(pb, 80);
1542  } else {
1543  klv_encode_ber_length(pb, 85 + 12+(s->nb_streams+1LL)*6 +
1544  12+mxf->edit_units_count*(11+mxf->slice_count*4LL));
1545  }
1546 
1547  // instance id
1548  mxf_write_local_tag(pb, 16, 0x3C0A);
1550 
1551  // index edit rate
1552  mxf_write_local_tag(pb, 8, 0x3F0B);
1553  avio_wb32(pb, mxf->time_base.den);
1554  avio_wb32(pb, mxf->time_base.num);
1555 
1556  // index start position
1557  mxf_write_local_tag(pb, 8, 0x3F0C);
1559 
1560  // index duration
1561  mxf_write_local_tag(pb, 8, 0x3F0D);
1562  if (mxf->edit_unit_byte_count)
1563  avio_wb64(pb, 0); // index table covers whole container
1564  else
1565  avio_wb64(pb, mxf->edit_units_count);
1566 
1567  // edit unit byte count
1568  mxf_write_local_tag(pb, 4, 0x3F05);
1569  avio_wb32(pb, mxf->edit_unit_byte_count);
1570 
1571  // index sid
1572  mxf_write_local_tag(pb, 4, 0x3F06);
1573  avio_wb32(pb, 2);
1574 
1575  // body sid
1576  mxf_write_local_tag(pb, 4, 0x3F07);
1577  avio_wb32(pb, 1);
1578 
1579  if (!mxf->edit_unit_byte_count) {
1580  // real slice count - 1
1581  mxf_write_local_tag(pb, 1, 0x3F08);
1582  avio_w8(pb, mxf->slice_count);
1583 
1584  // delta entry array
1585  mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
1586  avio_wb32(pb, s->nb_streams+1); // num of entries
1587  avio_wb32(pb, 6); // size of one entry
1588  // write system item delta entry
1589  avio_w8(pb, 0);
1590  avio_w8(pb, 0); // slice entry
1591  avio_wb32(pb, 0); // element delta
1592  for (i = 0; i < s->nb_streams; i++) {
1593  AVStream *st = s->streams[i];
1594  MXFStreamContext *sc = st->priv_data;
1595  avio_w8(pb, sc->temporal_reordering);
1596  if (sc->temporal_reordering)
1597  temporal_reordering = 1;
1598  if (i == 0) { // video track
1599  avio_w8(pb, 0); // slice number
1600  avio_wb32(pb, KAG_SIZE); // system item size including klv fill
1601  } else { // audio track
1602  unsigned audio_frame_size = sc->aic.samples[0]*sc->aic.sample_size;
1603  audio_frame_size += klv_fill_size(audio_frame_size);
1604  avio_w8(pb, 1);
1605  avio_wb32(pb, (i-1)*audio_frame_size); // element delta
1606  }
1607  }
1608 
1609  mxf_write_local_tag(pb, 8 + mxf->edit_units_count*(11+mxf->slice_count*4), 0x3F0A);
1610  avio_wb32(pb, mxf->edit_units_count); // num of entries
1611  avio_wb32(pb, 11+mxf->slice_count*4); // size of one entry
1612 
1613  for (i = 0; i < mxf->edit_units_count; i++) {
1614  int temporal_offset = 0;
1615 
1616  if (!(mxf->index_entries[i].flags & 0x33)) { // I-frame
1617  mxf->last_key_index = key_index;
1618  key_index = i;
1619  }
1620 
1621  if (temporal_reordering) {
1622  int pic_num_in_gop = i - key_index;
1623  if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
1624  for (j = key_index; j < mxf->edit_units_count; j++) {
1625  if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
1626  break;
1627  }
1628  if (j == mxf->edit_units_count)
1629  av_log(s, AV_LOG_WARNING, "missing frames\n");
1630  temporal_offset = j - key_index - pic_num_in_gop;
1631  }
1632  }
1633  avio_w8(pb, temporal_offset);
1634 
1635  if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
1636  avio_w8(pb, mxf->last_key_index - i);
1637  } else {
1638  avio_w8(pb, key_index - i); // key frame offset
1639  if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
1640  mxf->last_key_index = key_index;
1641  }
1642 
1643  if (!(mxf->index_entries[i].flags & 0x33) && // I-frame
1644  mxf->index_entries[i].flags & 0x40 && !temporal_offset)
1645  mxf->index_entries[i].flags |= 0x80; // random access
1646  avio_w8(pb, mxf->index_entries[i].flags);
1647  // stream offset
1648  avio_wb64(pb, mxf->index_entries[i].offset);
1649  if (s->nb_streams > 1)
1650  avio_wb32(pb, mxf->index_entries[i].slice_offset);
1651  }
1652 
1653  mxf->last_key_index = key_index - mxf->edit_units_count;
1655  mxf->edit_units_count = 0;
1656  }
1657 }
1658 
1660 {
1661  unsigned pad = klv_fill_size(avio_tell(s->pb));
1662  if (pad) {
1663  avio_write(s->pb, klv_fill_key, 16);
1664  pad -= 16 + 4;
1665  klv_encode_ber4_length(s->pb, pad);
1666  ffio_fill(s->pb, 0, pad);
1667  av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
1668  }
1669 }
1670 
1671 static int mxf_write_partition(AVFormatContext *s, int bodysid,
1672  int indexsid,
1673  const uint8_t *key, int write_metadata)
1674 {
1675  MXFContext *mxf = s->priv_data;
1676  AVIOContext *pb = s->pb;
1677  int64_t header_byte_count_offset;
1678  unsigned index_byte_count = 0;
1679  uint64_t partition_offset = avio_tell(pb);
1680  int err;
1681 
1682  if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
1683  index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
1684  12+mxf->edit_units_count*(11+mxf->slice_count*4);
1685  else if (mxf->edit_unit_byte_count && indexsid)
1686  index_byte_count = 80;
1687 
1688  if (index_byte_count) {
1689  // add encoded ber length
1690  index_byte_count += 16 + klv_ber_length(index_byte_count);
1691  index_byte_count += klv_fill_size(index_byte_count);
1692  }
1693 
1694  if (key && !memcmp(key, body_partition_key, 16)) {
1696  sizeof(*mxf->body_partition_offset))) < 0) {
1697  mxf->body_partitions_count = 0;
1698  return err;
1699  }
1700  mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
1701  }
1702 
1703  // write klv
1704  if (key)
1705  avio_write(pb, key, 16);
1706  else
1707  avio_write(pb, body_partition_key, 16);
1708 
1710 
1711  // write partition value
1712  avio_wb16(pb, 1); // majorVersion
1713  avio_wb16(pb, 2); // minorVersion
1714  avio_wb32(pb, KAG_SIZE); // KAGSize
1715 
1716  avio_wb64(pb, partition_offset); // ThisPartition
1717 
1718  if (key && !memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
1719  avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
1720  else if (key && !memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
1721  avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
1722  else
1723  avio_wb64(pb, 0);
1724 
1725  avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
1726 
1727  // set offset
1728  header_byte_count_offset = avio_tell(pb);
1729  avio_wb64(pb, 0); // headerByteCount, update later
1730 
1731  // indexTable
1732  avio_wb64(pb, index_byte_count); // indexByteCount
1733  avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
1734 
1735  // BodyOffset
1736  if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && s->oformat != &ff_mxf_opatom_muxer)
1737  avio_wb64(pb, mxf->body_offset);
1738  else
1739  avio_wb64(pb, 0);
1740 
1741  avio_wb32(pb, bodysid); // bodySID
1742 
1743  // operational pattern
1744  if (s->oformat == &ff_mxf_opatom_muxer)
1745  avio_write(pb, opatom_ul, 16);
1746  else
1747  avio_write(pb, op1a_ul, 16);
1748 
1749  // essence container
1751 
1752  if (write_metadata) {
1753  // mark the start of the headermetadata and calculate metadata size
1754  int64_t pos, start;
1755  unsigned header_byte_count;
1756 
1757  mxf_write_klv_fill(s);
1758  start = avio_tell(s->pb);
1761  pos = avio_tell(s->pb);
1762  header_byte_count = pos - start + klv_fill_size(pos);
1763 
1764  // update header_byte_count
1765  avio_seek(pb, header_byte_count_offset, SEEK_SET);
1766  avio_wb64(pb, header_byte_count);
1767  avio_seek(pb, pos, SEEK_SET);
1768  }
1769 
1770  if(key)
1771  avio_flush(pb);
1772 
1773  return 0;
1774 }
1775 
1777 AVPacket *pkt)
1778 {
1779  MXFContext *mxf = s->priv_data;
1780  MXFStreamContext *sc = st->priv_data;
1781  int i, cid;
1782  uint8_t* header_cid;
1783  int frame_size = 0;
1784 
1785  if (mxf->header_written)
1786  return 1;
1787 
1788  if (pkt->size < 43)
1789  return -1;
1790 
1791  header_cid = pkt->data + 0x28;
1792  cid = header_cid[0] << 24 | header_cid[1] << 16 | header_cid[2] << 8 | header_cid[3];
1793 
1794  if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) < 0)
1795  return -1;
1796  if ((sc->interlaced = avpriv_dnxhd_get_interlaced(cid)) < 0)
1797  return AVERROR_INVALIDDATA;
1798 
1799  switch (cid) {
1800  case 1235:
1802  sc->component_depth = 10;
1803  break;
1804  case 1237:
1806  break;
1807  case 1238:
1809  break;
1810  case 1241:
1812  sc->component_depth = 10;
1813  break;
1814  case 1242:
1816  break;
1817  case 1243:
1819  break;
1820  case 1250:
1822  sc->component_depth = 10;
1823  break;
1824  case 1251:
1826  break;
1827  case 1252:
1829  break;
1830  case 1253:
1832  break;
1833  default:
1834  return -1;
1835  }
1836 
1837  sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1838  sc->aspect_ratio = (AVRational){ 16, 9 };
1839 
1840  if (s->oformat == &ff_mxf_opatom_muxer) {
1842  return 1;
1843  }
1844 
1846  for (i = 0; i < s->nb_streams; i++) {
1847  AVStream *st = s->streams[i];
1848  MXFStreamContext *sc = st->priv_data;
1849  if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
1850  mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1852  } else if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
1853  mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1855  }
1856  }
1857 
1858  return 1;
1859 }
1860 
1862 {
1863  MXFContext *mxf = s->priv_data;
1864  MXFStreamContext *sc = st->priv_data;
1865  uint8_t *vs_pack, *vsc_pack;
1866  int i, ul_index, frame_size, stype, pal;
1867  const AVDVProfile *profile;
1868 
1869  if (mxf->header_written)
1870  return 1;
1871 
1872  // Check for minimal frame size
1873  if (pkt->size < 120000)
1874  return -1;
1875 
1876  profile = av_dv_frame_profile(NULL, pkt->data, pkt->size);
1877 
1878  vs_pack = pkt->data + 80*5 + 48;
1879  vsc_pack = pkt->data + 80*5 + 53;
1880  stype = vs_pack[3] & 0x1f;
1881  pal = (vs_pack[3] >> 5) & 0x1;
1882 
1883  if ((vsc_pack[2] & 0x07) == 0x02) {
1884  sc->aspect_ratio = (AVRational){ 16, 9 };
1885  } else {
1886  sc->aspect_ratio = (AVRational){ 4, 3 };
1887  }
1888 
1889  sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
1890  // TODO: fix dv encoder to set proper FF/FS value in VSC pack
1891  // and set field dominance accordingly
1892  // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
1893 
1894  switch (stype) {
1895  case 0x18: // DV100 720p
1896  ul_index = INDEX_DV100_720_50 + pal;
1897  frame_size = pal ? 288000 : 240000;
1898  if (sc->interlaced) {
1899  av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
1900  sc->interlaced = 0;
1901  }
1902  break;
1903  case 0x14: // DV100 1080i
1904  ul_index = INDEX_DV100_1080_50 + pal;
1905  frame_size = pal ? 576000 : 480000;
1906  break;
1907  case 0x04: // DV50
1908  ul_index = INDEX_DV50_525_60 + pal;
1909  frame_size = pal ? 288000 : 240000;
1910  break;
1911  default: // DV25
1912  if (profile && profile->pix_fmt == AV_PIX_FMT_YUV420P && pal) {
1913  ul_index = INDEX_DV25_525_60_IEC + pal;
1914  frame_size = pal ? 144000 : 120000;
1915  break;
1916  }
1917  ul_index = INDEX_DV25_525_60 + pal;
1918  frame_size = pal ? 144000 : 120000;
1919  }
1920 
1921  sc->index = ul_index;
1922  sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1923 
1924  if(s->oformat == &ff_mxf_opatom_muxer) {
1926  return 1;
1927  }
1928 
1930  for (i = 0; i < s->nb_streams; i++) {
1931  AVStream *st = s->streams[i];
1932  MXFStreamContext *sc = st->priv_data;
1933  if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
1934  mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1936  } else if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
1937  mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1939  }
1940  }
1941 
1942  return 1;
1943 }
1944 
1945 static const struct {
1948  int profile;
1950 } mxf_h264_codec_uls[] = {
1951  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x11,0x01 }, 0, 66, 0 }, // AVC Baseline, Unconstrained Coding
1952  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0 }, // AVC High 10 Intra
1953  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 0, 1 }, // AVC Intra 50 1080i60
1954  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 0, 1 }, // AVC Intra 50 1080i50
1955  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 0, 0 }, // AVC Intra 50 1080p30
1956  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 0, 0 }, // AVC Intra 50 1080p25
1957  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 0, 0 }, // AVC Intra 50 720p60
1958  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 0, 0 }, // AVC Intra 50 720p50
1959  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0 }, // AVC High 422 Intra
1960  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 0, 1 }, // AVC Intra 100 1080i60
1961  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 0, 1 }, // AVC Intra 100 1080i50
1962  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 0, 0 }, // AVC Intra 100 1080p30
1963  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 0, 0 }, // AVC Intra 100 1080p25
1964  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 0, 0 }, // AVC Intra 100 720p60
1965  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 0, 0 }, // AVC Intra 100 720p50
1966 };
1967 
1969  AVPacket *pkt, MXFIndexEntry *e)
1970 {
1971  MXFContext *mxf = s->priv_data;
1972  MXFStreamContext *sc = st->priv_data;
1973  static const int mxf_h264_num_codec_uls = sizeof(mxf_h264_codec_uls) / sizeof(mxf_h264_codec_uls[0]);
1974  const uint8_t *buf = pkt->data;
1975  const uint8_t *buf_end = pkt->data + pkt->size;
1976  uint32_t state = -1;
1977  int extra_size = 512; // support AVC Intra files without SPS/PPS header
1978  int i, frame_size;
1979  uint8_t uid_found;
1980 
1981  if (pkt->size > extra_size)
1982  buf_end -= pkt->size - extra_size; // no need to parse beyond SPS/PPS header
1983 
1984  for (;;) {
1985  buf = avpriv_find_start_code(buf, buf_end, &state);
1986  if (buf >= buf_end)
1987  break;
1988  --buf;
1989  switch (state & 0x1f) {
1990  case H264_NAL_SPS:
1991  st->codecpar->profile = buf[1];
1992  e->flags |= 0x40;
1993  break;
1994  case H264_NAL_PPS:
1995  if (e->flags & 0x40) { // sequence header present
1996  e->flags |= 0x80; // random access
1997  extra_size = 0;
1998  buf = buf_end;
1999  }
2000  break;
2001  default:
2002  break;
2003  }
2004  }
2005 
2006  if (mxf->header_written)
2007  return 1;
2008 
2009  sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD
2010  sc->component_depth = 10; // AVC Intra is always 10 Bit
2011  sc->interlaced = st->codecpar->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0;
2012  if (sc->interlaced)
2013  sc->field_dominance = 1; // top field first is mandatory for AVC Intra
2014 
2015  uid_found = 0;
2016  frame_size = pkt->size + extra_size;
2017  for (i = 0; i < mxf_h264_num_codec_uls; i++) {
2018  if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) {
2019  sc->codec_ul = &mxf_h264_codec_uls[i].uid;
2020  return 1;
2021  } else if (st->codecpar->profile == mxf_h264_codec_uls[i].profile) {
2022  sc->codec_ul = &mxf_h264_codec_uls[i].uid;
2023  uid_found = 1;
2024  }
2025  }
2026 
2027  if (!uid_found) {
2028  av_log(s, AV_LOG_ERROR, "AVC Intra 50/100 supported only\n");
2029  return 0;
2030  }
2031 
2032  return 1;
2033 }
2034 
2035 static const UID mxf_mpeg2_codec_uls[] = {
2036  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
2037  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
2038  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
2039  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
2040  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
2041  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
2042  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
2043  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
2044  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
2045  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
2046 };
2047 
2049 {
2050  int long_gop = 1;
2051 
2052  if (par->profile == 4) { // Main
2053  if (par->level == 8) // Main
2054  return &mxf_mpeg2_codec_uls[0+long_gop];
2055  else if (par->level == 4) // High
2056  return &mxf_mpeg2_codec_uls[4+long_gop];
2057  else if (par->level == 6) // High 14
2058  return &mxf_mpeg2_codec_uls[8+long_gop];
2059  } else if (par->profile == 0) { // 422
2060  if (par->level == 5) // Main
2061  return &mxf_mpeg2_codec_uls[2+long_gop];
2062  else if (par->level == 2) // High
2063  return &mxf_mpeg2_codec_uls[6+long_gop];
2064  }
2065  return NULL;
2066 }
2067 
2069  AVPacket *pkt, MXFIndexEntry *e)
2070 {
2071  MXFStreamContext *sc = st->priv_data;
2072  uint32_t c = -1;
2073  int i;
2074 
2075  for(i = 0; i < pkt->size - 4; i++) {
2076  c = (c<<8) + pkt->data[i];
2077  if (c == 0x1b5) {
2078  if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
2079  st->codecpar->profile = pkt->data[i+1] & 0x07;
2080  st->codecpar->level = pkt->data[i+2] >> 4;
2081  } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
2082  sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
2083  if (sc->interlaced)
2084  sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
2085  break;
2086  }
2087  } else if (c == 0x1b8) { // gop
2088  if (pkt->data[i+4]>>6 & 0x01) { // closed
2089  sc->closed_gop = 1;
2090  if (e->flags & 0x40) // sequence header present
2091  e->flags |= 0x80; // random access
2092  }
2093  } else if (c == 0x1b3) { // seq
2094  e->flags |= 0x40;
2095  switch ((pkt->data[i+4]>>4) & 0xf) {
2096  case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
2097  case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
2098  case 4: sc->aspect_ratio = (AVRational){221,100}; break;
2099  default:
2101  st->codecpar->width, st->codecpar->height, 1024*1024);
2102  }
2103  } else if (c == 0x100) { // pic
2104  int pict_type = (pkt->data[i+2]>>3) & 0x07;
2105  e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2106  if (pict_type == 2) { // P-frame
2107  e->flags |= 0x22;
2108  sc->closed_gop = 0; // reset closed GOP, don't matter anymore
2109  } else if (pict_type == 3) { // B-frame
2110  if (sc->closed_gop)
2111  e->flags |= 0x13; // only backward prediction
2112  else
2113  e->flags |= 0x33;
2114  sc->temporal_reordering = -1;
2115  } else if (!pict_type) {
2116  av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
2117  return 0;
2118  }
2119  }
2120  }
2121  if (s->oformat != &ff_mxf_d10_muxer)
2123  return !!sc->codec_ul;
2124 }
2125 
2126 static uint64_t mxf_parse_timestamp(time_t timestamp)
2127 {
2128  struct tm tmbuf;
2129  struct tm *time = gmtime_r(&timestamp, &tmbuf);
2130  if (!time)
2131  return 0;
2132  return (uint64_t)(time->tm_year+1900) << 48 |
2133  (uint64_t)(time->tm_mon+1) << 40 |
2134  (uint64_t) time->tm_mday << 32 |
2135  time->tm_hour << 24 |
2136  time->tm_min << 16 |
2137  time->tm_sec << 8;
2138 }
2139 
2141 {
2142  MXFContext *mxf = s->priv_data;
2143  uint32_t seed = av_get_random_seed();
2144  uint64_t umid = seed + 0x5294713400000000LL;
2145 
2146  AV_WB64(mxf->umid , umid);
2147  AV_WB64(mxf->umid+8, umid>>8);
2148 
2149  mxf->instance_number = seed & 0xFFFFFF;
2150 }
2151 
2153 {
2154  MXFContext *mxf = s->priv_data;
2155  AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
2156  if (!tcr)
2157  tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
2158 
2159  if (tcr)
2160  return av_timecode_init_from_string(&mxf->tc, rate, tcr->value, s);
2161  else
2162  return av_timecode_init(&mxf->tc, rate, 0, 0, s);
2163 }
2164 
2166 {
2167  MXFContext *mxf = s->priv_data;
2168  int i, ret;
2169  uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
2170  const MXFSamplesPerFrame *spf = NULL;
2171  int64_t timestamp = 0;
2172 
2173  if (!s->nb_streams)
2174  return -1;
2175 
2176  if (s->oformat == &ff_mxf_opatom_muxer && s->nb_streams !=1) {
2177  av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n");
2178  return -1;
2179  }
2180 
2181  if (!av_dict_get(s->metadata, "comment_", NULL, AV_DICT_IGNORE_SUFFIX))
2182  mxf->store_user_comments = 0;
2183 
2184  for (i = 0; i < s->nb_streams; i++) {
2185  AVStream *st = s->streams[i];
2186  MXFStreamContext *sc = av_mallocz(sizeof(*sc));
2187  if (!sc)
2188  return AVERROR(ENOMEM);
2189  st->priv_data = sc;
2190 
2191  if (((i == 0) ^ (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)) && s->oformat != &ff_mxf_opatom_muxer) {
2192  av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
2193  return -1;
2194  }
2195 
2196  if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2197  const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codecpar->format);
2198  // TODO: should be avg_frame_rate
2199  AVRational rate, tbc = st->time_base;
2200  // Default component depth to 8
2201  sc->component_depth = 8;
2202  sc->h_chroma_sub_sample = 2;
2203  sc->color_siting = 0xFF;
2204 
2205  if (pix_desc) {
2206  sc->component_depth = pix_desc->comp[0].depth;
2207  sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w;
2208  }
2209  switch (ff_choose_chroma_location(s, st)) {
2210  case AVCHROMA_LOC_TOPLEFT: sc->color_siting = 0; break;
2211  case AVCHROMA_LOC_LEFT: sc->color_siting = 6; break;
2212  case AVCHROMA_LOC_TOP: sc->color_siting = 1; break;
2213  case AVCHROMA_LOC_CENTER: sc->color_siting = 3; break;
2214  }
2215 
2216  mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2217  spf = ff_mxf_get_samples_per_frame(s, tbc);
2218  if (!spf) {
2219  av_log(s, AV_LOG_ERROR, "Unsupported video frame rate %d/%d\n",
2220  tbc.den, tbc.num);
2221  return AVERROR(EINVAL);
2222  }
2223  mxf->time_base = spf->time_base;
2224  rate = av_inv_q(mxf->time_base);
2225  avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
2226  if((ret = mxf_init_timecode(s, st, rate)) < 0)
2227  return ret;
2228 
2229  sc->video_bit_rate = st->codecpar->bit_rate;
2230  if (s->oformat == &ff_mxf_d10_muxer) {
2232  av_log(s, AV_LOG_ERROR, "error MXF D-10 only support MPEG-2 Video\n");
2233  return AVERROR(EINVAL);
2234  }
2235  if ((sc->video_bit_rate == 50000000) && (mxf->time_base.den == 25)) {
2237  } else if ((sc->video_bit_rate == 49999840 || sc->video_bit_rate == 50000000) && (mxf->time_base.den != 25)) {
2239  } else if (sc->video_bit_rate == 40000000) {
2240  if (mxf->time_base.den == 25) sc->index = INDEX_D10_625_50_40_VIDEO;
2241  else sc->index = INDEX_D10_525_60_40_VIDEO;
2242  } else if (sc->video_bit_rate == 30000000) {
2243  if (mxf->time_base.den == 25) sc->index = INDEX_D10_625_50_30_VIDEO;
2244  else sc->index = INDEX_D10_525_60_30_VIDEO;
2245  } else {
2246  av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
2247  return -1;
2248  }
2249 
2250  mxf->edit_unit_byte_count = KAG_SIZE; // system element
2251  mxf->edit_unit_byte_count += 16 + 4 + (uint64_t)sc->video_bit_rate *
2252  mxf->time_base.num / (8*mxf->time_base.den);
2254  mxf->edit_unit_byte_count += 16 + 4 + 4 + spf->samples_per_frame[0]*8*4;
2256 
2257  sc->signal_standard = 1;
2258  }
2259  if (mxf->signal_standard >= 0)
2260  sc->signal_standard = mxf->signal_standard;
2261  } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2262  if (st->codecpar->sample_rate != 48000) {
2263  av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
2264  return -1;
2265  }
2266  avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
2267  if (s->oformat == &ff_mxf_d10_muxer) {
2268  if (st->index != 1) {
2269  av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
2270  return -1;
2271  }
2272  if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2274  av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
2275  }
2276  sc->index = ((MXFStreamContext*)s->streams[0]->priv_data)->index + 1;
2277  } else if (s->oformat == &ff_mxf_opatom_muxer) {
2278  AVRational tbc = av_inv_q(mxf->audio_edit_rate);
2279 
2280  if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2282  av_log(s, AV_LOG_ERROR, "Only pcm_s16le and pcm_s24le audio codecs are implemented\n");
2283  return AVERROR_PATCHWELCOME;
2284  }
2285  if (st->codecpar->channels != 1) {
2286  av_log(s, AV_LOG_ERROR, "MXF OPAtom only supports single channel audio\n");
2287  return AVERROR(EINVAL);
2288  }
2289 
2290  spf = ff_mxf_get_samples_per_frame(s, tbc);
2291  if (!spf) {
2292  av_log(s, AV_LOG_ERROR, "Unsupported timecode frame rate %d/%d\n", tbc.den, tbc.num);
2293  return AVERROR(EINVAL);
2294  }
2295 
2296  mxf->time_base = st->time_base;
2297  if((ret = mxf_init_timecode(s, st, av_inv_q(spf->time_base))) < 0)
2298  return ret;
2299 
2300  mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2302  sc->index = INDEX_WAV;
2303  } else {
2304  mxf->slice_count = 1;
2305  }
2306  }
2307 
2308  if (!sc->index) {
2310  if (sc->index == -1) {
2311  av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
2312  "codec not currently supported in container\n", i);
2313  return -1;
2314  }
2315  }
2316 
2317  sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2318 
2319  memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
2320  sc->track_essence_element_key[15] = present[sc->index];
2321  PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
2322 
2323  if (!present[sc->index])
2324  mxf->essence_container_count++;
2325  present[sc->index]++;
2326  }
2327 
2328  if (s->oformat == &ff_mxf_d10_muxer || s->oformat == &ff_mxf_opatom_muxer) {
2329  mxf->essence_container_count = 1;
2330  }
2331 
2332  if (!(s->flags & AVFMT_FLAG_BITEXACT))
2333  mxf_gen_umid(s);
2334 
2335  for (i = 0; i < s->nb_streams; i++) {
2336  MXFStreamContext *sc = s->streams[i]->priv_data;
2337  // update element count
2338  sc->track_essence_element_key[13] = present[sc->index];
2339  if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[15].element_ul, 13)) // DV
2340  sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
2341  else
2342  sc->order = AV_RB32(sc->track_essence_element_key+12);
2343  }
2344 
2345  if (ff_parse_creation_time_metadata(s, &timestamp, 1) > 0)
2346  mxf->timestamp = mxf_parse_timestamp(timestamp);
2347  mxf->duration = -1;
2348 
2349  mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
2350  if (!mxf->timecode_track)
2351  return AVERROR(ENOMEM);
2353  if (!mxf->timecode_track->priv_data)
2354  return AVERROR(ENOMEM);
2355  mxf->timecode_track->index = -1;
2356 
2357  if (!spf)
2358  spf = ff_mxf_get_samples_per_frame(s, (AVRational){ 1, 25 });
2359 
2360  if (ff_audio_interleave_init(s, spf->samples_per_frame, mxf->time_base) < 0)
2361  return -1;
2362 
2363  return 0;
2364 }
2365 
2366 static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
2367 static const uint8_t system_metadata_package_set_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x43,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x02,0x01 };
2368 
2370 {
2371  MXFContext *mxf = s->priv_data;
2372  AVIOContext *pb = s->pb;
2373  unsigned frame;
2374  uint32_t time_code;
2375 
2376  frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2377 
2378  // write system metadata pack
2380  klv_encode_ber4_length(pb, 57);
2381  avio_w8(pb, 0x5c); // UL, user date/time stamp, picture and sound item present
2382  avio_w8(pb, 0x04); // content package rate
2383  avio_w8(pb, 0x00); // content package type
2384  avio_wb16(pb, 0x00); // channel handle
2385  avio_wb16(pb, (mxf->tc.start + frame) & 0xFFFF); // continuity count, supposed to overflow
2386  if (mxf->essence_container_count > 1)
2387  avio_write(pb, multiple_desc_ul, 16);
2388  else {
2389  MXFStreamContext *sc = s->streams[0]->priv_data;
2390  avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
2391  }
2392  avio_w8(pb, 0);
2393  avio_wb64(pb, 0);
2394  avio_wb64(pb, 0); // creation date/time stamp
2395 
2396  avio_w8(pb, 0x81); // SMPTE 12M time code
2397  time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
2398  avio_wb32(pb, time_code);
2399  avio_wb32(pb, 0); // binary group data
2400  avio_wb64(pb, 0);
2401 
2402  // write system metadata package set
2404  klv_encode_ber4_length(pb, 35);
2405  avio_w8(pb, 0x83); // UMID
2406  avio_wb16(pb, 0x20);
2407  mxf_write_umid(s, 1);
2408 }
2409 
2411 {
2412  MXFContext *mxf = s->priv_data;
2413  AVIOContext *pb = s->pb;
2414  MXFStreamContext *sc = st->priv_data;
2415  int packet_size = (uint64_t)sc->video_bit_rate*mxf->time_base.num /
2416  (8*mxf->time_base.den); // frame size
2417  int pad;
2418 
2419  packet_size += 16 + 4;
2420  packet_size += klv_fill_size(packet_size);
2421 
2422  klv_encode_ber4_length(pb, pkt->size);
2423  avio_write(pb, pkt->data, pkt->size);
2424 
2425  // ensure CBR muxing by padding to correct video frame size
2426  pad = packet_size - pkt->size - 16 - 4;
2427  if (pad > 20) {
2428  avio_write(s->pb, klv_fill_key, 16);
2429  pad -= 16 + 4;
2430  klv_encode_ber4_length(s->pb, pad);
2431  ffio_fill(s->pb, 0, pad);
2432  av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
2433  } else {
2434  av_log(s, AV_LOG_WARNING, "cannot fill d-10 video packet\n");
2435  ffio_fill(s->pb, 0, pad);
2436  }
2437 }
2438 
2440 {
2441  MXFContext *mxf = s->priv_data;
2442  AVIOContext *pb = s->pb;
2443  int frame_size = pkt->size / st->codecpar->block_align;
2444  uint8_t *samples = pkt->data;
2445  uint8_t *end = pkt->data + pkt->size;
2446  int i;
2447 
2448  klv_encode_ber4_length(pb, 4 + frame_size*4*8);
2449 
2450  avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
2451  avio_wl16(pb, frame_size);
2452  avio_w8(pb, (1<<st->codecpar->channels)-1);
2453 
2454  while (samples < end) {
2455  for (i = 0; i < st->codecpar->channels; i++) {
2456  uint32_t sample;
2457  if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
2458  sample = AV_RL24(samples)<< 4;
2459  samples += 3;
2460  } else {
2461  sample = AV_RL16(samples)<<12;
2462  samples += 2;
2463  }
2464  avio_wl32(pb, sample | i);
2465  }
2466  for (; i < 8; i++)
2467  avio_wl32(pb, i);
2468  }
2469 }
2470 
2472 {
2473  MXFContext *mxf = s->priv_data;
2474  AVIOContext *pb = s->pb;
2475  AVStream *st = s->streams[0];
2476  MXFStreamContext *sc = st->priv_data;
2477  const uint8_t *key = NULL;
2478 
2479  int err;
2480 
2481  if (!mxf->header_written)
2482  key = body_partition_key;
2483 
2484  if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0)
2485  return err;
2486  mxf_write_klv_fill(s);
2489  return 0;
2490 }
2491 
2493 {
2494  MXFContext *mxf = s->priv_data;
2495  AVIOContext *pb = s->pb;
2496 
2497  int err;
2498 
2499  if (!mxf->header_written) {
2500  if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2501  return err;
2502  mxf_write_klv_fill(s);
2503 
2504  if ((err = mxf_write_opatom_body_partition(s)) < 0)
2505  return err;
2506  mxf->header_written = 1;
2507  }
2508 
2509  if (!mxf->edit_unit_byte_count) {
2511  mxf->index_entries[mxf->edit_units_count].flags = ie->flags;
2513  }
2514  mxf->edit_units_count++;
2515  avio_write(pb, pkt->data, pkt->size);
2516  mxf->body_offset += pkt->size;
2517  avio_flush(pb);
2518 
2519  return 0;
2520 }
2521 
2523 {
2524  MXFContext *mxf = s->priv_data;
2525  AVIOContext *pb = s->pb;
2526  AVStream *st = s->streams[pkt->stream_index];
2527  MXFStreamContext *sc = st->priv_data;
2528  MXFIndexEntry ie = {0};
2529  int err;
2530 
2532  if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
2533  + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
2534  mxf->edit_units_count = 0;
2535  av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
2536  return err;
2537  }
2538  }
2539 
2541  if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
2542  av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
2543  return -1;
2544  }
2545  } else if (st->codecpar->codec_id == AV_CODEC_ID_DNXHD) {
2546  if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
2547  av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
2548  return -1;
2549  }
2550  } else if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) {
2551  if (!mxf_parse_dv_frame(s, st, pkt)) {
2552  av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
2553  return -1;
2554  }
2555  } else if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
2556  if (!mxf_parse_h264_frame(s, st, pkt, &ie)) {
2557  av_log(s, AV_LOG_ERROR, "could not get h264 profile\n");
2558  return -1;
2559  }
2560  }
2561 
2562  if (s->oformat == &ff_mxf_opatom_muxer)
2563  return mxf_write_opatom_packet(s, pkt, &ie);
2564 
2565  if (!mxf->header_written) {
2566  if (mxf->edit_unit_byte_count) {
2567  if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
2568  return err;
2569  mxf_write_klv_fill(s);
2571  } else {
2572  if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2573  return err;
2574  }
2575  mxf->header_written = 1;
2576  }
2577 
2578  if (st->index == 0) {
2579  if (!mxf->edit_unit_byte_count &&
2581  !(ie.flags & 0x33)) { // I-frame, GOP start
2582  mxf_write_klv_fill(s);
2583  if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
2584  return err;
2585  mxf_write_klv_fill(s);
2587  }
2588 
2589  mxf_write_klv_fill(s);
2591 
2592  if (!mxf->edit_unit_byte_count) {
2594  mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
2596  mxf->body_offset += KAG_SIZE; // size of system element
2597  }
2598  mxf->edit_units_count++;
2599  } else if (!mxf->edit_unit_byte_count && st->index == 1) {
2600  if (!mxf->edit_units_count) {
2601  av_log(s, AV_LOG_ERROR, "No packets in first stream\n");
2602  return AVERROR_PATCHWELCOME;
2603  }
2605  mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
2606  }
2607 
2608  mxf_write_klv_fill(s);
2609  avio_write(pb, sc->track_essence_element_key, 16); // write key
2610  if (s->oformat == &ff_mxf_d10_muxer) {
2612  mxf_write_d10_video_packet(s, st, pkt);
2613  else
2614  mxf_write_d10_audio_packet(s, st, pkt);
2615  } else {
2616  klv_encode_ber4_length(pb, pkt->size); // write length
2617  avio_write(pb, pkt->data, pkt->size);
2618  mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
2619  }
2620 
2621  avio_flush(pb);
2622 
2623  return 0;
2624 }
2625 
2627 {
2628  MXFContext *mxf = s->priv_data;
2629  AVIOContext *pb = s->pb;
2630  uint64_t pos = avio_tell(pb);
2631  int i;
2632 
2634  klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
2635 
2636  if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer)
2637  avio_wb32(pb, 1); // BodySID of header partition
2638  else
2639  avio_wb32(pb, 0);
2640  avio_wb64(pb, 0); // offset of header partition
2641 
2642  for (i = 0; i < mxf->body_partitions_count; i++) {
2643  avio_wb32(pb, 1); // BodySID
2644  avio_wb64(pb, mxf->body_partition_offset[i]);
2645  }
2646 
2647  avio_wb32(pb, 0); // BodySID of footer partition
2649 
2650  avio_wb32(pb, avio_tell(pb) - pos + 4);
2651 }
2652 
2654 {
2655  MXFContext *mxf = s->priv_data;
2656  AVIOContext *pb = s->pb;
2657  int err = 0;
2658 
2659  if (!mxf->header_written ||
2660  (s->oformat == &ff_mxf_opatom_muxer && !mxf->body_partition_offset)) {
2661  /* reason could be invalid options/not supported codec/out of memory */
2662  err = AVERROR_UNKNOWN;
2663  goto end;
2664  }
2665 
2667 
2668  mxf_write_klv_fill(s);
2670  if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { // no need to repeat index
2671  if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
2672  goto end;
2673  } else {
2674  if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
2675  goto end;
2676  mxf_write_klv_fill(s);
2678  }
2679 
2680  mxf_write_klv_fill(s);
2682 
2683  if (s->pb->seekable & AVIO_SEEKABLE_NORMAL) {
2684  if (s->oformat == &ff_mxf_opatom_muxer) {
2685  /* rewrite body partition to update lengths */
2686  avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET);
2687  if ((err = mxf_write_opatom_body_partition(s)) < 0)
2688  goto end;
2689  }
2690 
2691  avio_seek(pb, 0, SEEK_SET);
2692  if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) {
2693  if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
2694  goto end;
2695  mxf_write_klv_fill(s);
2697  } else {
2698  if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
2699  goto end;
2700  }
2701  }
2702 
2703 end:
2705 
2706  av_freep(&mxf->index_entries);
2709  av_freep(&mxf->timecode_track);
2710 
2711  mxf_free(s);
2712 
2713  return err < 0 ? err : 0;
2714 }
2715 
2717 {
2718  int i, stream_count = 0;
2719 
2720  for (i = 0; i < s->nb_streams; i++)
2721  stream_count += !!s->streams[i]->last_in_packet_buffer;
2722 
2723  if (stream_count && (s->nb_streams == stream_count || flush)) {
2724  AVPacketList *pktl = s->internal->packet_buffer;
2725  if (s->nb_streams != stream_count) {
2726  AVPacketList *last = NULL;
2727  // find last packet in edit unit
2728  while (pktl) {
2729  if (!stream_count || pktl->pkt.stream_index == 0)
2730  break;
2731  last = pktl;
2732  pktl = pktl->next;
2733  stream_count--;
2734  }
2735  // purge packet queue
2736  while (pktl) {
2737  AVPacketList *next = pktl->next;
2738 
2739  if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2741  av_packet_unref(&pktl->pkt);
2742  av_freep(&pktl);
2743  pktl = next;
2744  }
2745  if (last)
2746  last->next = NULL;
2747  else {
2748  s->internal->packet_buffer = NULL;
2750  goto out;
2751  }
2752  pktl = s->internal->packet_buffer;
2753  }
2754 
2755  *out = pktl->pkt;
2756  av_log(s, AV_LOG_TRACE, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts);
2757  s->internal->packet_buffer = pktl->next;
2758  if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2760  if(!s->internal->packet_buffer)
2762  av_freep(&pktl);
2763  return 1;
2764  } else {
2765  out:
2766  av_init_packet(out);
2767  return 0;
2768  }
2769 }
2770 
2772 {
2774  MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
2775 
2776  return next->dts > pkt->dts ||
2777  (next->dts == pkt->dts && sc->order < sc2->order);
2778 }
2779 
2781 {
2782  return ff_audio_rechunk_interleave(s, out, pkt, flush,
2784 }
2785 
2786 #define MXF_COMMON_OPTIONS \
2787  { "signal_standard", "Force/set Sigal Standard",\
2788  offsetof(MXFContext, signal_standard), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2789  { "bt601", "ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)",\
2790  0, AV_OPT_TYPE_CONST, {.i64 = 1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2791  { "bt1358", "ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)",\
2792  0, AV_OPT_TYPE_CONST, {.i64 = 2}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2793  { "smpte347m", "SMPTE 347M (540 Mbps mappings)",\
2794  0, AV_OPT_TYPE_CONST, {.i64 = 3}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2795  { "smpte274m", "SMPTE 274M (1125 line)",\
2796  0, AV_OPT_TYPE_CONST, {.i64 = 4}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2797  { "smpte296m", "SMPTE 296M (750 line progressive)",\
2798  0, AV_OPT_TYPE_CONST, {.i64 = 5}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2799  { "smpte349m", "SMPTE 349M (1485 Mbps mappings)",\
2800  0, AV_OPT_TYPE_CONST, {.i64 = 6}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2801  { "smpte428", "SMPTE 428-1 DCDM",\
2802  0, AV_OPT_TYPE_CONST, {.i64 = 7}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},
2803 
2804 
2805 
2806 static const AVOption mxf_options[] = {
2808  { "store_user_comments", "",
2809  offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
2810  { NULL },
2811 };
2812 
2813 static const AVClass mxf_muxer_class = {
2814  .class_name = "MXF muxer",
2815  .item_name = av_default_item_name,
2816  .option = mxf_options,
2817  .version = LIBAVUTIL_VERSION_INT,
2818 };
2819 
2820 static const AVOption d10_options[] = {
2821  { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
2822  offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
2824  { "store_user_comments", "",
2825  offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
2826  { NULL },
2827 };
2828 
2830  .class_name = "MXF-D10 muxer",
2831  .item_name = av_default_item_name,
2832  .option = d10_options,
2833  .version = LIBAVUTIL_VERSION_INT,
2834 };
2835 
2836 static const AVOption opatom_options[] = {
2837  { "mxf_audio_edit_rate", "Audio edit rate for timecode",
2838  offsetof(MXFContext, audio_edit_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
2840  { NULL },
2841 };
2842 
2844  .class_name = "MXF-OPAtom muxer",
2845  .item_name = av_default_item_name,
2846  .option = opatom_options,
2847  .version = LIBAVUTIL_VERSION_INT,
2848 };
2849 
2851  .name = "mxf",
2852  .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
2853  .mime_type = "application/mxf",
2854  .extensions = "mxf",
2855  .priv_data_size = sizeof(MXFContext),
2856  .audio_codec = AV_CODEC_ID_PCM_S16LE,
2857  .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2863  .priv_class = &mxf_muxer_class,
2864 };
2865 
2866 AVOutputFormat ff_mxf_d10_muxer = {
2867  .name = "mxf_d10",
2868  .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
2869  .mime_type = "application/mxf",
2870  .priv_data_size = sizeof(MXFContext),
2871  .audio_codec = AV_CODEC_ID_PCM_S16LE,
2872  .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2878  .priv_class = &mxf_d10_muxer_class,
2879 };
2880 
2881 AVOutputFormat ff_mxf_opatom_muxer = {
2882  .name = "mxf_opatom",
2883  .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"),
2884  .mime_type = "application/mxf",
2885  .extensions = "mxf",
2886  .priv_data_size = sizeof(MXFContext),
2887  .audio_codec = AV_CODEC_ID_PCM_S16LE,
2888  .video_codec = AV_CODEC_ID_DNXHD,
2894  .priv_class = &mxf_opatom_muxer_class,
2895 };
static uint64_t mxf_parse_timestamp(time_t timestamp)
Definition: mxfenc.c:2126
static void write_packet(OutputFile *of, AVPacket *pkt, OutputStream *ost, int unqueue)
Definition: ffmpeg.c:678
void avio_wb64(AVIOContext *s, uint64_t val)
Definition: aviobuf.c:461
uint32_t tagged_value_count
Definition: mxfenc.c:387
#define NULL
Definition: coverity.c:32
enum AVFieldOrder field_order
Video only.
Definition: avcodec.h:3919
void avio_wl16(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:467
MXFMetadataSetType
Definition: mxf.h:30
const char * s
Definition: avisynth_c.h:768
Bytestream IO Context.
Definition: avio.h:161
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
static int mxf_utf16_local_tag_length(const char *utf8_str)
Definition: mxfenc.c:747
static void mxf_write_d10_video_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:2410
int component_depth
Definition: mxfenc.c:87
static const uint8_t header_closed_partition_key[]
Definition: mxfenc.c:406
#define GET_UTF8(val, GET_BYTE, ERROR)
Convert a UTF-8 character (up to 4 bytes) to its 32-bit UCS-4 encoded form.
Definition: common.h:385
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2363
MPEG-2/4 4:2:0, H.264 default for 4:2:0.
Definition: pixfmt.h:520
int signal_standard
Definition: mxfenc.c:89
int avio_put_str16be(AVIOContext *s, const char *str)
Convert an UTF-8 string to UTF-16BE and write it.
AVOption.
Definition: opt.h:246
static void flush(AVCodecContext *avctx)
static void mxf_write_index_table_segment(AVFormatContext *s)
Definition: mxfenc.c:1526
enum AVCodecID id
Definition: mxfenc.c:153
uint64_t body_offset
Definition: mxfenc.c:382
static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, MXFPackage *package)
Definition: mxfenc.c:945
#define PRINT_KEY(pc, s, x)
Definition: mxf.h:115
static const uint8_t klv_fill_key[]
Definition: mxfenc.c:407
static const UID mxf_mpegvideo_descriptor_key
Definition: mxfenc.c:1093
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
unsigned char * buf_ptr
Current position in the buffer.
Definition: avio.h:228
static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
Definition: mxfenc.c:576
int index
index in mxf_essence_container_uls table
Definition: mxfenc.c:82
void avpriv_set_pts_info(AVStream *s, int pts_wrap_bits, unsigned int pts_num, unsigned int pts_den)
Set the time base and wrapping info for a given stream.
Definition: utils.c:4773
unsigned body_partitions_count
Definition: mxfenc.c:375
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: avcodec.h:3838
const int * samples
current samples per frame, pointer to samples_per_frame
int num
Numerator.
Definition: rational.h:59
static int mxf_init_timecode(AVFormatContext *s, AVStream *st, AVRational rate)
Definition: mxfenc.c:2152
int index
stream index in AVFormatContext
Definition: avformat.h:873
int size
Definition: avcodec.h:1415
Definition: mxf.h:34
static const UID mxf_cdci_descriptor_key
Definition: mxfenc.c:1096
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
Definition: aviobuf.c:244
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:191
AVFormatInternal * internal
An opaque field for libavformat internal usage.
Definition: avformat.h:1763
int interlaced
whether picture is interlaced
Definition: mxfenc.c:85
int av_log2(unsigned v)
Definition: intmath.c:26
static const uint8_t body_partition_key[]
Definition: mxfenc.c:408
AVOutputFormat ff_mxf_muxer
Definition: mxfenc.c:2850
int avpriv_dnxhd_get_interlaced(int cid)
Definition: dnxhddata.c:1095
void * priv_data
Definition: avformat.h:887
const char * key
int version
Definition: avisynth_c.h:766
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:236
static void mxf_write_sequence(AVFormatContext *s, AVStream *st, MXFPackage *package)
Definition: mxfenc.c:918
static AVPacket pkt
struct AVRational time_base
Definition: mxf.h:74
static void mxf_free(AVFormatContext *s)
Definition: mxfenc.c:632
static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
Definition: mxfenc.c:519
static void mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
Definition: mxfenc.c:1059
#define sample
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_RL16
Definition: bytestream.h:87
UID track_essence_element_key
Definition: mxfenc.c:81
static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:894
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:92
int id
Definition: mxf.h:70
This struct describes the properties of an encoded stream.
Definition: avcodec.h:3830
static int mxf_write_header(AVFormatContext *s)
Definition: mxfenc.c:2165
static void klv_encode_ber4_length(AVIOContext *pb, int len)
Definition: mxfenc.c:570
static const uint8_t multiple_desc_ul[]
Definition: mxfenc.c:414
Format I/O context.
Definition: avformat.h:1332
int h_chroma_sub_sample
Definition: mxfenc.c:90
uint8_t UID[16]
Definition: mxf.h:28
UID uid
Definition: mxfenc.c:1946
int temporal_reordering
Definition: mxfenc.c:91
uint8_t slice_count
index slice count minus 1 (1 if no audio, 0 otherwise)
Definition: mxfenc.c:372
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
Definition: log.h:72
#define AV_WB64(p, v)
Definition: intreadwrite.h:433
static const UID mxf_generic_sound_descriptor_key
Definition: mxfenc.c:1097
static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
Definition: mxfenc.c:549
static void mxf_write_klv_fill(AVFormatContext *s)
Definition: mxfenc.c:1659
static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
Definition: mxfenc.c:535
int timecode_base
rounded time code base (25 or 30)
Definition: mxfenc.c:380
int av_timecode_init_from_string(AVTimecode *tc, AVRational rate, const char *str, void *log_ctx)
Parse timecode representation (hh:mm:ss[:;.
Definition: timecode.c:194
static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, MXFPackage *package)
Definition: mxfenc.c:972
static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
Definition: mxfenc.c:2522
AVOutputFormat ff_mxf_d10_muxer
Definition: mxfenc.c:2866
void avio_wl32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:367
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
static unsigned klv_fill_size(uint64_t size)
Definition: mxfenc.c:1517
uint8_t
const MXFSamplesPerFrame * ff_mxf_get_samples_per_frame(AVFormatContext *s, AVRational time_base)
Definition: mxf.c:154
int width
Video only.
Definition: avcodec.h:3904
static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
Definition: mxfenc.c:1099
AVOptions.
static const UID mxf_mpeg2_codec_uls[]
Definition: mxfenc.c:2035
#define AV_LOG_TRACE
Extremely verbose debugging, useful for libav* development.
Definition: log.h:202
AVPacket pkt
Definition: avformat.h:1970
timecode is drop frame
Definition: timecode.h:36
static av_cold int end(AVCodecContext *avctx)
Definition: avrndec.c:90
int ff_audio_interleave_init(AVFormatContext *s, const int *samples_per_frame, AVRational time_base)
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_RB32
Definition: bytestream.h:87
AVStream ** streams
A list of all streams in the file.
Definition: avformat.h:1400
static AVFrame * frame
int avpriv_dnxhd_get_frame_size(int cid)
Definition: dnxhddata.c:1087
AVDictionaryEntry * av_dict_get(const AVDictionary *m, const char *key, const AVDictionaryEntry *prev, int flags)
Get a dictionary entry with matching key.
Definition: dict.c:40
int flags
Flags modifying the (de)muxer behaviour.
Definition: avformat.h:1443
uint8_t * data
Definition: avcodec.h:1414
uint64_t duration
Definition: mxfenc.c:377
int start
timecode frame start (first base frame number)
Definition: timecode.h:42
static int flags
Definition: log.c:55
uint32_t tag
Definition: movenc.c:1448
uint64_t offset
Definition: mxfenc.c:74
Definition: ismindex.c:69
enum AVPixelFormat pix_fmt
Definition: dv_profile.h:50
int instance
Definition: mxfenc.c:107
ptrdiff_t size
Definition: opengl_enc.c:101
uint8_t flags
Definition: mxfenc.c:73
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
Definition: avio.h:557
int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max)
Reduce a fraction.
Definition: rational.c:35
struct AVPacketList * packet_buffer
This buffer is only needed when packets were already buffered but not decoded, for example to get the...
Definition: internal.h:78
void avio_write(AVIOContext *s, const unsigned char *buf, int size)
Definition: aviobuf.c:216
static int interleave_packet(AVFormatContext *s, AVPacket *out, AVPacket *in, int flush)
Interleave an AVPacket correctly so it can be muxed.
Definition: mux.c:1155
#define AVFMT_FLAG_BITEXACT
When muxing, try to avoid writing any random/volatile data to the output.
Definition: avformat.h:1460
AVRational audio_edit_rate
Definition: mxfenc.c:388
unsigned slice_offset
offset of audio slice
Definition: mxfenc.c:75
enum ULIndex index
Definition: mxfenc.c:154
static const uint8_t index_table_segment_key[]
Definition: mxfenc.c:403
#define av_log(a,...)
#define AV_OPT_FLAG_ENCODING_PARAM
a generic parameter which can be set by the user for muxing or encoding
Definition: opt.h:276
const uint8_t * avpriv_find_start_code(const uint8_t *p, const uint8_t *end, uint32_t *state)
struct AVOutputFormat * oformat
The output container format.
Definition: avformat.h:1351
int64_t bit_rate
The average bitrate of the encoded data (in bits per second).
Definition: avcodec.h:3867
int av_timecode_init(AVTimecode *tc, AVRational rate, int flags, int frame_start, void *log_ctx)
Init a timecode struct with the passed parameters.
Definition: timecode.c:184
H.264 common definitions.
int store_user_comments
Definition: mxfenc.c:389
AudioInterleaveContext aic
Definition: mxfenc.c:80
int local_tag
Definition: mxfenc.c:68
static const AVClass mxf_opatom_muxer_class
Definition: mxfenc.c:2843
static const uint8_t umid_ul[]
Definition: mxfenc.c:394
static void mxf_write_tape_descriptor(AVFormatContext *s)
Definition: mxfenc.c:1009
int ff_parse_creation_time_metadata(AVFormatContext *s, int64_t *timestamp, int return_seconds)
Parse creation_time in AVFormatContext metadata if exists and warn if the parsing fails...
Definition: utils.c:5490
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:215
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
AVDictionary * metadata
Metadata that applies to the whole file.
Definition: avformat.h:1550
int av_get_bits_per_sample(enum AVCodecID codec_id)
Return codec bits per sample.
Definition: utils.c:1604
static void mxf_write_system_item(AVFormatContext *s)
Definition: mxfenc.c:2369
#define EDIT_UNITS_PER_BODY
Definition: mxfenc.c:64
void(* write_desc)(AVFormatContext *, AVStream *)
Definition: mxfenc.c:101
static const uint8_t header_metadata_key[]
partial key for header metadata
Definition: mxfenc.c:413
static const uint8_t mxf_indirect_value_utf16le[]
Definition: mxfenc.c:1297
int profile
Definition: mxfenc.c:1948
Definition: mxf.h:42
#define AVERROR(e)
Definition: error.h:43
int ff_audio_rechunk_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush, int(*get_packet)(AVFormatContext *, AVPacket *, AVPacket *, int), int(*compare_ts)(AVFormatContext *, AVPacket *, AVPacket *))
Rechunk audio PCM packets per AudioInterleaveContext->samples_per_frame and interleave them correctly...
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
static const uint8_t header_open_partition_key[]
Definition: mxfenc.c:405
static void mxf_write_preface(AVFormatContext *s)
Definition: mxfenc.c:674
const AVDVProfile * av_dv_frame_profile(const AVDVProfile *sys, const uint8_t *frame, unsigned buf_size)
Get a DV profile for the provided compressed frame.
Definition: dv_profile.c:300
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:197
enum AVMediaType codec_type
General type of the encoded data.
Definition: avcodec.h:3834
int header_written
Definition: mxfenc.c:368
static void mxf_write_random_index_pack(AVFormatContext *s)
Definition: mxfenc.c:2626
static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1195
simple assert() macros that are a bit more flexible than ISO C assert().
static int mxf_write_opatom_body_partition(AVFormatContext *s)
Definition: mxfenc.c:2471
GLsizei GLsizei * length
Definition: opengl_enc.c:115
static void mxf_write_content_storage(AVFormatContext *s, MXFPackage *packages, int package_count)
Definition: mxfenc.c:819
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_RL24
Definition: bytestream.h:87
static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
Definition: mxfenc.c:626
static const struct @242 mxf_h264_codec_uls[]
GLsizei count
Definition: opengl_enc.c:109
#define MXF_COMMON_OPTIONS
Definition: mxfenc.c:2786
int color_siting
Definition: mxfenc.c:88
int order
interleaving order if dts are equal
Definition: mxfenc.c:84
static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:2439
static const uint8_t primer_pack_key[]
Definition: mxfenc.c:402
static const uint8_t system_metadata_pack_key[]
Definition: mxfenc.c:2366
static int mxf_get_essence_container_ul_index(enum AVCodecID id)
Definition: mxfenc.c:585
static struct tm * gmtime_r(const time_t *clock, struct tm *result)
Definition: time_internal.h:26
int av_reallocp_array(void *ptr, size_t nmemb, size_t size)
Definition: mem.c:205
static int klv_ber_length(uint64_t len)
Definition: mxfenc.c:541
unsigned int nb_streams
Number of elements in AVFormatContext.streams.
Definition: avformat.h:1388
int block_align
Audio only.
Definition: avcodec.h:3955
int seekable
A combination of AVIO_SEEKABLE_ flags or 0 when the stream is not seekable.
Definition: avio.h:260
static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt, MXFIndexEntry *e)
Definition: mxfenc.c:1968
int void avio_flush(AVIOContext *s)
Force flushing of buffered data.
Definition: aviobuf.c:236
static const UID mxf_wav_descriptor_key
Definition: mxfenc.c:1094
#define av_assert1(cond)
assert() equivalent, that does not lie in speed critical code.
Definition: avassert.h:53
void ffio_fill(AVIOContext *s, int b, int count)
Definition: aviobuf.c:202
#define KAG_SIZE
Definition: mxfenc.c:65
static const uint8_t op1a_ul[]
complete key for operation pattern, partitions, and primer pack
Definition: mxfenc.c:399
uint8_t interlaced
Definition: mxfenc.c:1949
static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:1776
uint64_t * body_partition_offset
Definition: mxfenc.c:374
struct MXFPackage * ref
Definition: mxfenc.c:108
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
GLsizei GLboolean const GLfloat * value
Definition: opengl_enc.c:109
static int write_trailer(AVFormatContext *s1)
Definition: v4l2enc.c:94
ITU-R 601, SMPTE 274M 296M S314M(DV 4:1:1), mpeg2 4:2:2.
Definition: pixfmt.h:522
static const AVOption mxf_options[]
Definition: mxfenc.c:2806
ULIndex
Definition: mxfenc.c:111
void avio_wb24(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:485
static const AVClass mxf_muxer_class
Definition: mxfenc.c:2813
const char * name
Definition: avformat.h:507
static int mxf_write_partition(AVFormatContext *s, int bodysid, int indexsid, const uint8_t *key, int write_metadata)
Definition: mxfenc.c:1671
static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
Definition: mxfenc.c:766
static int mxf_write_header_metadata_sets(AVFormatContext *s)
Definition: mxfenc.c:1468
AVDictionary * metadata
Definition: avformat.h:936
AVStream * timecode_track
Definition: mxfenc.c:379
static const UID mxf_aes3_descriptor_key
Definition: mxfenc.c:1095
const MXFCodecUL ff_mxf_data_definition_uls[]
SMPTE RP224 http://www.smpte-ra.org/mdd/index.html.
Definition: mxf.c:28
static const uint8_t system_metadata_package_set_key[]
Definition: mxfenc.c:2367
int edit_unit_byte_count
fixed edit unit byte count
Definition: mxfenc.c:381
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:220
#define FF_ARRAY_ELEMS(a)
Stream structure.
Definition: avformat.h:872
#define AVERROR_PATCHWELCOME
Not yet implemented in FFmpeg, patches welcome.
Definition: error.h:62
#define AVFMT_NOTIMESTAMPS
Format does not need / have any timestamps.
Definition: avformat.h:469
uint32_t instance_number
Definition: mxfenc.c:383
static void mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
Definition: mxfenc.c:1268
static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m)
Definition: mxfenc.c:1328
int signal_standard
Definition: mxfenc.c:386
#define AVIO_SEEKABLE_NORMAL
Seeking works like for a local file.
Definition: avio.h:40
static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
Definition: mxfenc.c:620
static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1287
int frame_size
Definition: mxfenc.c:1947
int last_indexed_edit_unit
Definition: mxfenc.c:373
static const AVClass mxf_d10_muxer_class
Definition: mxfenc.c:2829
static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt, MXFIndexEntry *e)
Definition: mxfenc.c:2068
const UID * codec_ul
Definition: mxfenc.c:83
Timecode helpers header.
AVIOContext * pb
I/O context.
Definition: avformat.h:1374
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
void avio_w8(AVIOContext *s, int b)
Definition: aviobuf.c:194
int samples_per_frame[6]
Definition: mxf.h:75
void av_packet_unref(AVPacket *pkt)
Wipe the packet.
Definition: avpacket.c:590
static void mxf_write_essence_container_refs(AVFormatContext *s)
Definition: mxfenc.c:657
static unsigned int seed
Definition: videogen.c:78
static const UID * mxf_get_mpeg2_codec_ul(AVCodecParameters *par)
Definition: mxfenc.c:2048
static void mxf_write_package(AVFormatContext *s, MXFPackage *package)
Definition: mxfenc.c:1346
AVRational rate
frame rate in rational form
Definition: timecode.h:44
void * buf
Definition: avisynth_c.h:690
int closed_gop
gop is closed, used in mpeg-2 frame parsing
Definition: mxfenc.c:93
GLint GLenum type
Definition: opengl_enc.c:105
uint64_t timestamp
timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
Definition: mxfenc.c:371
#define AV_STRINGIFY(s)
Definition: macros.h:36
Describe the class of an AVClass context structure.
Definition: log.h:67
AVRational aspect_ratio
display aspect ratio
Definition: mxfenc.c:92
static const MXFLocalTagPair mxf_local_tag_batch[]
SMPTE RP210 http://www.smpte-ra.org/mdd/index.html https://smpte-ra.org/sites/default/files/Labels.xml.
Definition: mxfenc.c:420
int track_instance_count
Definition: mxfenc.c:390
Rational number (pair of numerator and denominator).
Definition: rational.h:58
int sample_size
size of one sample all channels included
uint16_t temporal_ref
Definition: mxfenc.c:76
static uint64_t mxf_utf16len(const char *utf8_str)
Definition: mxfenc.c:725
static void mxf_write_primer_pack(AVFormatContext *s)
Definition: mxfenc.c:594
int avio_put_str16le(AVIOContext *s, const char *str)
Convert an UTF-8 string to UTF-16LE and write it.
static void mxf_write_track(AVFormatContext *s, AVStream *st, MXFPackage *package)
Definition: mxfenc.c:846
MXFIndexEntry * index_entries
Definition: mxfenc.c:369
AVRational time_base
Definition: mxfenc.c:367
AVClass * av_class
Definition: mxfenc.c:364
Definition: mxf.h:67
int video_bit_rate
Definition: mxfenc.c:94
static const uint8_t uuid_base[]
Definition: mxfenc.c:393
int channel_count
Definition: mxfenc.c:385
#define LIBAVFORMAT_VERSION
Definition: version.h:41
void avio_wb16(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:473
static const MXFContainerEssenceEntry mxf_essence_container_uls[]
Definition: mxfenc.c:172
enum AVChromaLocation ff_choose_chroma_location(AVFormatContext *s, AVStream *st)
Chooses a timebase for muxing the specified stream.
Definition: mux.c:118
static av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
Definition: rational.h:159
static const MXFLocalTagPair mxf_user_comments_local_tag[]
Definition: mxfenc.c:513
static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
Definition: mxfenc.c:2716
int sample_rate
Audio only.
Definition: avcodec.h:3948
int64_t footer_partition_offset
Definition: mxfenc.c:365
static const uint8_t smpte_12m_timecode_track_data_ul[]
Definition: mxfenc.c:892
Main libavformat public API header.
static void mxf_write_identification(AVFormatContext *s)
Definition: mxfenc.c:779
void ff_audio_interleave_close(AVFormatContext *s)
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:62
Definition: mxf.h:37
static int mxf_compare_timestamps(AVFormatContext *s, AVPacket *next, AVPacket *pkt)
Definition: mxfenc.c:2771
common internal api header.
struct AVPacketList * next
Definition: avformat.h:1971
if(ret< 0)
Definition: vf_mcdeint.c:279
static const uint8_t footer_partition_key[]
Definition: mxfenc.c:401
static int mxf_write_essence_container_data(AVFormatContext *s)
Definition: mxfenc.c:1446
static void write_metadata(AVFormatContext *s, unsigned int ts)
Definition: flvenc.c:269
static double c[64]
int profile
Codec-specific bitstream restrictions that the stream conforms to.
Definition: avcodec.h:3898
void av_init_packet(AVPacket *pkt)
Initialize optional fields of a packet with default values.
Definition: avpacket.c:33
char * key
Definition: dict.h:86
int den
Denominator.
Definition: rational.h:60
#define AVERROR_UNKNOWN
Unknown error, typically from an external library.
Definition: error.h:71
static const MXFCodecUL * mxf_get_data_definition_ul(int type)
Definition: mxfenc.c:642
int field_dominance
tff=1, bff=2
Definition: mxfenc.c:86
static const AVOption d10_options[]
Definition: mxfenc.c:2820
struct AVPacketList * packet_buffer_end
Definition: internal.h:79
int last_key_index
index of last key frame
Definition: mxfenc.c:376
char * value
Definition: dict.h:87
int len
static void mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
Definition: mxfenc.c:1223
void * priv_data
Format private data.
Definition: avformat.h:1360
static void mxf_gen_umid(AVFormatContext *s)
Definition: mxfenc.c:2140
static const struct @241 mxf_essence_mappings[]
static void write_header(FFV1Context *f)
Definition: ffv1enc.c:337
uint8_t umid[16]
unique material identifier
Definition: mxfenc.c:384
static void mxf_write_multi_descriptor(AVFormatContext *s)
Definition: mxfenc.c:1022
static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1282
int channels
Audio only.
Definition: avcodec.h:3944
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
Definition: avcodec.h:1413
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:375
FILE * out
Definition: movenc.c:54
#define av_freep(p)
static const AVOption opatom_options[]
Definition: mxfenc.c:2836
void INT64 start
Definition: avisynth_c.h:690
#define AV_DICT_IGNORE_SUFFIX
Return first entry in a dictionary whose first part corresponds to the search key, ignoring the suffix of the found key string.
Definition: dict.h:70
unsigned edit_units_count
Definition: mxfenc.c:370
uint32_t av_get_random_seed(void)
Get a seed to use in conjunction with random functions.
Definition: random_seed.c:120
MPEG-1 4:2:0, JPEG 4:2:0, H.263 4:2:0.
Definition: pixfmt.h:521
AVCodecParameters * codecpar
Codec parameters associated with this stream.
Definition: avformat.h:1019
UID uid
Definition: mxf.h:68
int stream_index
Definition: avcodec.h:1416
static const uint8_t opatom_ul[]
Definition: mxfenc.c:400
#define DESCRIPTOR_COUNT(essence_container_count)
Definition: mxfenc.c:654
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avformat.h:901
int depth
Number of bits in the component.
Definition: pixdesc.h:58
char * name
Definition: mxfdec.c:221
static int mxf_write_opatom_packet(AVFormatContext *s, AVPacket *pkt, MXFIndexEntry *ie)
Definition: mxfenc.c:2492
uint32_t flags
flags such as drop frame, +24 hours support, ...
Definition: timecode.h:43
static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1200
static void mxf_write_umid(AVFormatContext *s, int type)
Definition: mxfenc.c:526
This structure stores compressed data.
Definition: avcodec.h:1391
static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:1861
int essence_container_count
Definition: mxfenc.c:366
static int mxf_write_tagged_value(AVFormatContext *s, const char *name, const char *value)
Definition: mxfenc.c:1299
static const uint8_t random_index_pack_key[]
Definition: mxfenc.c:404
static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1292
enum MXFMetadataSetType type
Definition: mxfdec.c:214
static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
Definition: mxfenc.c:2780
struct AVPacketList * last_in_packet_buffer
last packet in packet_buffer for this stream when muxing.
Definition: avformat.h:1096
static struct @280 state
AVTimecode tc
timecode context
Definition: mxfenc.c:378
static int mxf_write_footer(AVFormatContext *s)
Definition: mxfenc.c:2653
uint8_t pi<< 24) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_U8,(uint64_t)((*(constuint8_t *) pi-0x80U))<< 56) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_S16,(uint64_t)(*(constint16_t *) pi)<< 48) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_S32,(uint64_t)(*(constint32_t *) pi)<< 32) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S64,(*(constint64_t *) pi >>56)+0x80) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S64,*(constint64_t *) pi *(1.0f/(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S64,*(constint64_t *) pi *(1.0/(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_FLT, llrintf(*(constfloat *) pi *(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31)))) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_DBL, llrint(*(constdouble *) pi *(INT64_C(1)<< 63)))#defineFMT_PAIR_FUNC(out, in) staticconv_func_type *constfmt_pair_to_conv_functions[AV_SAMPLE_FMT_NB *AV_SAMPLE_FMT_NB]={FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S64),};staticvoidcpy1(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, len);}staticvoidcpy2(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, 2 *len);}staticvoidcpy4(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, 4 *len);}staticvoidcpy8(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, 8 *len);}AudioConvert *swri_audio_convert_alloc(enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, constint *ch_map, intflags){AudioConvert *ctx;conv_func_type *f=fmt_pair_to_conv_functions[av_get_packed_sample_fmt(out_fmt)+AV_SAMPLE_FMT_NB *av_get_packed_sample_fmt(in_fmt)];if(!f) returnNULL;ctx=av_mallocz(sizeof(*ctx));if(!ctx) returnNULL;if(channels==1){in_fmt=av_get_planar_sample_fmt(in_fmt);out_fmt=av_get_planar_sample_fmt(out_fmt);}ctx->channels=channels;ctx->conv_f=f;ctx->ch_map=ch_map;if(in_fmt==AV_SAMPLE_FMT_U8||in_fmt==AV_SAMPLE_FMT_U8P) memset(ctx->silence, 0x80, sizeof(ctx->silence));if(out_fmt==in_fmt &&!ch_map){switch(av_get_bytes_per_sample(in_fmt)){case1:ctx->simd_f=cpy1;break;case2:ctx->simd_f=cpy2;break;case4:ctx->simd_f=cpy4;break;case8:ctx->simd_f=cpy8;break;}}if(HAVE_X86ASM &&1) swri_audio_convert_init_x86(ctx, out_fmt, in_fmt, channels);if(ARCH_ARM) swri_audio_convert_init_arm(ctx, out_fmt, in_fmt, channels);if(ARCH_AARCH64) swri_audio_convert_init_aarch64(ctx, out_fmt, in_fmt, channels);returnctx;}voidswri_audio_convert_free(AudioConvert **ctx){av_freep(ctx);}intswri_audio_convert(AudioConvert *ctx, AudioData *out, AudioData *in, intlen){intch;intoff=0;constintos=(out->planar?1:out->ch_count)*out->bps;unsignedmisaligned=0;av_assert0(ctx->channels==out->ch_count);if(ctx->in_simd_align_mask){intplanes=in->planar?in->ch_count:1;unsignedm=0;for(ch=0;ch< planes;ch++) m|=(intptr_t) in->ch[ch];misaligned|=m &ctx->in_simd_align_mask;}if(ctx->out_simd_align_mask){intplanes=out->planar?out->ch_count:1;unsignedm=0;for(ch=0;ch< planes;ch++) m|=(intptr_t) out->ch[ch];misaligned|=m &ctx->out_simd_align_mask;}if(ctx->simd_f &&!ctx->ch_map &&!misaligned){off=len &~15;av_assert1(off >=0);av_assert1(off<=len);av_assert2(ctx->channels==SWR_CH_MAX||!in->ch[ctx->channels]);if(off >0){if(out->planar==in->planar){intplanes=out->planar?out->ch_count:1;for(ch=0;ch< planes;ch++){ctx->simd_f(out-> ch ch
Definition: audioconvert.c:56
const char * name
Definition: opengl_enc.c:103
uint32_t av_timecode_get_smpte_from_framenum(const AVTimecode *tc, int framenum)
Convert frame number to SMPTE 12M binary representation.
Definition: timecode.c:55
AVOutputFormat ff_mxf_opatom_muxer
Definition: mxfenc.c:2881