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/h264.h"
52 #include "libavcodec/internal.h"
53 #include "audiointerleave.h"
54 #include "avformat.h"
55 #include "avio_internal.h"
56 #include "internal.h"
57 #include "mxf.h"
58 #include "config.h"
59 
62 
63 #define EDIT_UNITS_PER_BODY 250
64 #define KAG_SIZE 512
65 
66 typedef struct MXFLocalTagPair {
67  int local_tag;
70 
71 typedef struct MXFIndexEntry {
73  uint64_t offset;
74  unsigned slice_offset; ///< offset of audio slice
75  uint16_t temporal_ref;
77 
78 typedef struct MXFStreamContext {
81  int index; ///< index in mxf_essence_container_uls table
82  const UID *codec_ul;
83  int order; ///< interleaving order if dts are equal
84  int interlaced; ///< whether picture is interlaced
85  int field_dominance; ///< tff=1, bff=2
91  AVRational aspect_ratio; ///< display aspect ratio
92  int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
95 
96 typedef struct MXFContainerEssenceEntry {
102 
103 enum ULIndex {
140 };
141 
142 static const struct {
143  enum AVCodecID id;
145 } mxf_essence_mappings[] = {
153  { AV_CODEC_ID_NONE }
154 };
155 
156 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
157 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
159 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
161 
163  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
164  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
165  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
167  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
168  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
169  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
171  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
172  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
173  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
175  // D-10 625/50 PAL 50mb/s
176  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
177  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
178  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
180  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
181  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
182  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
184  // D-10 525/60 NTSC 50mb/s
185  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
186  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
187  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 },
189  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
190  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
191  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
193  // D-10 625/50 PAL 40mb/s
194  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
195  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
196  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 },
198  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
199  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
200  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
202  // D-10 525/60 NTSC 40mb/s
203  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
204  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
205  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 },
207  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
208  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
209  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
211  // D-10 625/50 PAL 30mb/s
212  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
213  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
214  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 },
216  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
217  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
218  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
220  // D-10 525/60 NTSC 30mb/s
221  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
222  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
223  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 },
225  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
226  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
227  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
229  // DV Unknown
230  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
231  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
232  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
234  // DV25 525/60
235  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 },
236  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
237  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
239  // DV25 625/50
240  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 },
241  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
242  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 },
244  // DV50 525/60
245  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 },
246  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
247  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 },
249  // DV50 625/50
250  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 },
251  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
252  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 },
254  // DV100 1080/60
255  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 },
256  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
257  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 },
259  // DV100 1080/50
260  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 },
261  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
262  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 },
264  // DV100 720/60
265  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 },
266  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
267  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 },
269  // DV100 720/50
270  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 },
271  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
272  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 },
274  // DNxHD 1080p 10bit high
275  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
276  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
277  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
279  // DNxHD 1080p 8bit medium
280  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
281  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
282  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 },
284  // DNxHD 1080p 8bit high
285  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
286  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
287  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 },
289  // DNxHD 1080i 10bit high
290  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
291  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
292  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 },
294  // DNxHD 1080i 8bit medium
295  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
296  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
297  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 },
299  // DNxHD 1080i 8bit high
300  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
301  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
302  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 },
304  // DNxHD 720p 10bit
305  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
306  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
307  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 },
309  // DNxHD 720p 8bit high
310  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
311  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
312  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 },
314  // DNxHD 720p 8bit medium
315  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
316  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
317  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 },
319  // DNxHD 720p 8bit low
320  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
321  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
322  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 },
324  // JPEG2000
325  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
326  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
327  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 },
329  // H.264
330  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 },
331  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
332  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
334  { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
335  { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
336  { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
337  NULL },
338 };
339 
340 typedef struct MXFContext {
348  uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
349  uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
353  int last_key_index; ///< index of last key frame
354  uint64_t duration;
355  AVTimecode tc; ///< timecode context
357  int timecode_base; ///< rounded time code base (25 or 30)
358  int edit_unit_byte_count; ///< fixed edit unit byte count
359  uint64_t body_offset;
360  uint32_t instance_number;
361  uint8_t umid[16]; ///< unique material identifier
367 } MXFContext;
368 
369 static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
370 static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
371 
372 /**
373  * complete key for operation pattern, partitions, and primer pack
374  */
375 static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
376 static const uint8_t opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 };
377 static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
378 static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
379 static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
380 static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
381 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
382 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
383 static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
384 static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
385 
386 /**
387  * partial key for header metadata
388  */
389 static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
390 static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
391 
392 /**
393  * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
394  * https://smpte-ra.org/sites/default/files/Labels.xml
395  */
397  // preface set
398  { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
399  { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
400  { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
401  { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
402  { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
403  { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
404  { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
405  { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
406  // Identification
407  { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
408  { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
409  { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
410  { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
411  { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
412  { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
413  // Content Storage
414  { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
415  { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
416  // Essence Container Data
417  { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
418  { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
419  // Package
420  { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
421  { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
422  { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
423  { 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */
424  { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
425  { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
426  // Track
427  { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
428  { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
429  { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
430  { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
431  { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
432  // Sequence
433  { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
434  { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
435  { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
436  // Source Clip
437  { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
438  { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
439  { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
440  // Timecode Component
441  { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
442  { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
443  { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
444  // File Descriptor
445  { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
446  { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
447  { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
448  { 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */
449  { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
450  // Generic Picture Essence Descriptor
451  { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
452  { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
453  { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
454  { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
455  { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
456  { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
457  { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */
458  { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
459  { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
460  { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
461  { 0x3215, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x05,0x01,0x13,0x00,0x00,0x00,0x00}}, /* Signal Standard */
462  // CDCI Picture Essence Descriptor
463  { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
464  { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
465  { 0x3303, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x06,0x00,0x00,0x00}}, /* Color Siting */
466  // Generic Sound Essence Descriptor
467  { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
468  { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
469  { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
470  { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
471  { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
472  // Index Table Segment
473  { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
474  { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
475  { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
476  { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
477  { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
478  { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
479  { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
480  { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
481  // MPEG video Descriptor
482  { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
483  { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
484  // Wave Audio Essence Descriptor
485  { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
486  { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
487 };
488 
490  { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */
491  { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */
492  { 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */
493 };
494 
496 {
497  avio_write(pb, uuid_base, 12);
498  avio_wb16(pb, type);
499  avio_wb16(pb, value);
500 }
501 
503 {
504  MXFContext *mxf = s->priv_data;
505  avio_write(s->pb, umid_ul, 13);
506  avio_wb24(s->pb, mxf->instance_number);
507  avio_write(s->pb, mxf->umid, 15);
508  avio_w8(s->pb, type);
509 }
510 
511 static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
512 {
513  avio_wb32(pb, ref_count);
514  avio_wb32(pb, 16);
515 }
516 
517 static int klv_ber_length(uint64_t len)
518 {
519  if (len < 128)
520  return 1;
521  else
522  return (av_log2(len) >> 3) + 2;
523 }
524 
525 static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
526 {
527  // Determine the best BER size
528  int size;
529  if (len < 128) {
530  //short form
531  avio_w8(pb, len);
532  return 1;
533  }
534 
535  size = (av_log2(len) >> 3) + 1;
536 
537  // long form
538  avio_w8(pb, 0x80 + size);
539  while(size) {
540  size--;
541  avio_w8(pb, len >> 8 * size & 0xff);
542  }
543  return 0;
544 }
545 
547 {
548  avio_w8(pb, 0x80 + 3);
549  avio_wb24(pb, len);
550 }
551 
552 static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
553 {
554  avio_w8(pb, 0x80 + 8);
555  avio_wb64(pb, len);
556 }
557 
558 /*
559  * Get essence container ul index
560  */
562 {
563  int i;
564  for (i = 0; mxf_essence_mappings[i].id; i++)
565  if (mxf_essence_mappings[i].id == id)
566  return mxf_essence_mappings[i].index;
567  return -1;
568 }
569 
571 {
572  MXFContext *mxf = s->priv_data;
573  AVIOContext *pb = s->pb;
574  int local_tag_number, i = 0;
575 
576  local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch);
577  local_tag_number += mxf->store_user_comments * FF_ARRAY_ELEMS(mxf_user_comments_local_tag);
578 
579  avio_write(pb, primer_pack_key, 16);
580  klv_encode_ber_length(pb, local_tag_number * 18 + 8);
581 
582  avio_wb32(pb, local_tag_number); // local_tag num
583  avio_wb32(pb, 18); // item size, always 18 according to the specs
584 
585  for (i = 0; i < FF_ARRAY_ELEMS(mxf_local_tag_batch); i++) {
586  avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
587  avio_write(pb, mxf_local_tag_batch[i].uid, 16);
588  }
589  if (mxf->store_user_comments)
590  for (i = 0; i < FF_ARRAY_ELEMS(mxf_user_comments_local_tag); i++) {
591  avio_wb16(pb, mxf_user_comments_local_tag[i].local_tag);
592  avio_write(pb, mxf_user_comments_local_tag[i].uid, 16);
593  }
594 }
595 
596 static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
597 {
598  avio_wb16(pb, tag);
599  avio_wb16(pb, size);
600 }
601 
602 static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
603 {
605  avio_wb24(pb, value);
606 }
607 
609 {
610  int i;
611 
612  for (i = 0; i < s->nb_streams; i++) {
613  AVStream *st = s->streams[i];
614  av_freep(&st->priv_data);
615  }
616 }
617 
619 {
621  while (uls->uid[0]) {
622  if (type == uls->id)
623  break;
624  uls++;
625  }
626  return uls;
627 }
628 
629 //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
630 #define DESCRIPTOR_COUNT(essence_container_count) \
631  (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
632 
634 {
635  MXFContext *c = s->priv_data;
636  AVIOContext *pb = s->pb;
637  int i;
638 
640  av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
641  for (i = 0; i < c->essence_container_count; i++) {
642  MXFStreamContext *sc = s->streams[i]->priv_data;
643  avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
644  }
645 
646  if (c->essence_container_count > 1)
647  avio_write(pb, multiple_desc_ul, 16);
648 }
649 
651 {
652  MXFContext *mxf = s->priv_data;
653  AVIOContext *pb = s->pb;
654 
655  mxf_write_metadata_key(pb, 0x012f00);
656  PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
658 
659  // write preface set uid
660  mxf_write_local_tag(pb, 16, 0x3C0A);
661  mxf_write_uuid(pb, Preface, 0);
662  PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
663 
664  // last modified date
665  mxf_write_local_tag(pb, 8, 0x3B02);
666  avio_wb64(pb, mxf->timestamp);
667 
668  // write version
669  mxf_write_local_tag(pb, 2, 0x3B05);
670  avio_wb16(pb, 258); // v1.2
671 
672  // write identification_refs
673  mxf_write_local_tag(pb, 16 + 8, 0x3B06);
674  mxf_write_refs_count(pb, 1);
676 
677  // write content_storage_refs
678  mxf_write_local_tag(pb, 16, 0x3B03);
680 
681  // operational pattern
682  mxf_write_local_tag(pb, 16, 0x3B09);
683  if (s->oformat == &ff_mxf_opatom_muxer)
684  avio_write(pb, opatom_ul, 16);
685  else
686  avio_write(pb, op1a_ul, 16);
687 
688  // write essence_container_refs
689  mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A);
691 
692  // write dm_scheme_refs
693  mxf_write_local_tag(pb, 8, 0x3B0B);
694  avio_wb64(pb, 0);
695 }
696 
697 /*
698  * Returns the length of the UTF-16 string, in 16-bit characters, that would result
699  * from decoding the utf-8 string.
700  */
701 static uint64_t mxf_utf16len(const char *utf8_str)
702 {
703  const uint8_t *q = utf8_str;
704  uint64_t size = 0;
705  while (*q) {
706  uint32_t ch;
707  GET_UTF8(ch, *q++, goto invalid;)
708  if (ch < 0x10000)
709  size++;
710  else
711  size += 2;
712  continue;
713 invalid:
714  av_log(NULL, AV_LOG_ERROR, "Invalid UTF8 sequence in mxf_utf16len\n\n");
715  }
716  size += 1;
717  return size;
718 }
719 
720 /*
721  * Returns the calculated length a local tag containing an utf-8 string as utf-16
722  */
723 static int mxf_utf16_local_tag_length(const char *utf8_str)
724 {
725  uint64_t size;
726 
727  if (!utf8_str)
728  return 0;
729 
730  size = mxf_utf16len(utf8_str);
731  if (size >= UINT16_MAX/2) {
732  av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
733  return 0;
734  }
735 
736  return 4 + size * 2;
737 }
738 
739 /*
740  * Write a local tag containing an utf-8 string as utf-16
741  */
742 static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
743 {
744  uint64_t size = mxf_utf16len(value);
745 
746  if (size >= UINT16_MAX/2) {
747  av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
748  return;
749  }
750 
751  mxf_write_local_tag(pb, size*2, tag);
752  avio_put_str16be(pb, value);
753 }
754 
756 {
757  MXFContext *mxf = s->priv_data;
758  AVIOContext *pb = s->pb;
759  const char *company = "FFmpeg";
760  const char *product = s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer";
761  const char *version;
762  int length;
763 
764  mxf_write_metadata_key(pb, 0x013000);
765  PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
766 
767  version = s->flags & AVFMT_FLAG_BITEXACT ?
769  length = 72 + mxf_utf16_local_tag_length(company) +
770  mxf_utf16_local_tag_length(product) +
772  klv_encode_ber_length(pb, length);
773 
774  // write uid
775  mxf_write_local_tag(pb, 16, 0x3C0A);
777  PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
778 
779  // write generation uid
780  mxf_write_local_tag(pb, 16, 0x3C09);
782  mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
783  mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
784  mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
785 
786  // write product uid
787  mxf_write_local_tag(pb, 16, 0x3C05);
789 
790  // modification date
791  mxf_write_local_tag(pb, 8, 0x3C06);
792  avio_wb64(pb, mxf->timestamp);
793 }
794 
796 {
797  AVIOContext *pb = s->pb;
798 
799  mxf_write_metadata_key(pb, 0x011800);
800  PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
801  klv_encode_ber_length(pb, 92);
802 
803  // write uid
804  mxf_write_local_tag(pb, 16, 0x3C0A);
806  PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
807 
808  // write package reference
809  mxf_write_local_tag(pb, 16 * 2 + 8, 0x1901);
810  mxf_write_refs_count(pb, 2);
813 
814  // write essence container data
815  mxf_write_local_tag(pb, 8 + 16, 0x1902);
816  mxf_write_refs_count(pb, 1);
818 }
819 
821 {
822  MXFContext *mxf = s->priv_data;
823  AVIOContext *pb = s->pb;
824  MXFStreamContext *sc = st->priv_data;
825 
826  mxf_write_metadata_key(pb, 0x013b00);
827  PRINT_KEY(s, "track key", pb->buf_ptr - 16);
828  klv_encode_ber_length(pb, 80);
829 
830  // write track uid
831  mxf_write_local_tag(pb, 16, 0x3C0A);
832  mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, st->index);
833  PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
834 
835  // write track id
836  mxf_write_local_tag(pb, 4, 0x4801);
837  avio_wb32(pb, st->index+2);
838 
839  // write track number
840  mxf_write_local_tag(pb, 4, 0x4804);
841  if (type == MaterialPackage)
842  avio_wb32(pb, 0); // track number of material package is 0
843  else
844  avio_write(pb, sc->track_essence_element_key + 12, 4);
845 
846  // write edit rate
847  mxf_write_local_tag(pb, 8, 0x4B01);
848 
849  if (st == mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer) {
850  avio_wb32(pb, mxf->tc.rate.num);
851  avio_wb32(pb, mxf->tc.rate.den);
852  } else {
853  avio_wb32(pb, mxf->time_base.den);
854  avio_wb32(pb, mxf->time_base.num);
855  }
856 
857  // write origin
858  mxf_write_local_tag(pb, 8, 0x4B02);
859  avio_wb64(pb, 0);
860 
861  // write sequence refs
862  mxf_write_local_tag(pb, 16, 0x4803);
864 }
865 
866 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 };
867 
869 {
870  MXFContext *mxf = s->priv_data;
871  AVIOContext *pb = s->pb;
872 
873  // find data define uls
874  mxf_write_local_tag(pb, 16, 0x0201);
875  if (st == mxf->timecode_track)
877  else {
878  const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codecpar->codec_type);
879  avio_write(pb, data_def_ul->uid, 16);
880  }
881 
882  // write duration
883  mxf_write_local_tag(pb, 8, 0x0202);
884 
885  if (st != mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer && st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
886  avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
887  } else {
888  avio_wb64(pb, mxf->duration);
889  }
890 }
891 
893 {
894  MXFContext *mxf = s->priv_data;
895  AVIOContext *pb = s->pb;
896  enum MXFMetadataSetType component;
897 
898  mxf_write_metadata_key(pb, 0x010f00);
899  PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
900  klv_encode_ber_length(pb, 80);
901 
902  mxf_write_local_tag(pb, 16, 0x3C0A);
904 
905  PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
907 
908  // write structural component
909  mxf_write_local_tag(pb, 16 + 8, 0x1001);
910  mxf_write_refs_count(pb, 1);
911  if (st == mxf->timecode_track)
912  component = TimecodeComponent;
913  else
914  component = SourceClip;
915  if (type == SourcePackage)
916  component += TypeBottom;
917  mxf_write_uuid(pb, component, st->index);
918 }
919 
921 {
922  MXFContext *mxf = s->priv_data;
923  AVIOContext *pb = s->pb;
924 
925  mxf_write_metadata_key(pb, 0x011400);
926  klv_encode_ber_length(pb, 75);
927 
928  // UID
929  mxf_write_local_tag(pb, 16, 0x3C0A);
932 
934 
935  // Start Time Code
936  mxf_write_local_tag(pb, 8, 0x1501);
937  avio_wb64(pb, mxf->tc.start);
938 
939  // Rounded Time Code Base
940  mxf_write_local_tag(pb, 2, 0x1502);
941  avio_wb16(pb, mxf->timecode_base);
942 
943  // Drop Frame
944  mxf_write_local_tag(pb, 1, 0x1503);
945  avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
946 }
947 
949 {
950  AVIOContext *pb = s->pb;
951  int i;
952 
953  mxf_write_metadata_key(pb, 0x011100);
954  PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
955  klv_encode_ber_length(pb, 108);
956 
957  // write uid
958  mxf_write_local_tag(pb, 16, 0x3C0A);
960 
961  PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
963 
964  // write start_position
965  mxf_write_local_tag(pb, 8, 0x1201);
966  avio_wb64(pb, 0);
967 
968  // write source package uid, end of the reference
969  mxf_write_local_tag(pb, 32, 0x1101);
970  if (type == SourcePackage) {
971  for (i = 0; i < 4; i++)
972  avio_wb64(pb, 0);
973  } else
974  mxf_write_umid(s, 1);
975 
976  // write source track id
977  mxf_write_local_tag(pb, 4, 0x1102);
978  if (type == SourcePackage)
979  avio_wb32(pb, 0);
980  else
981  avio_wb32(pb, st->index+2);
982 }
983 
985 {
986  MXFContext *mxf = s->priv_data;
987  AVIOContext *pb = s->pb;
988  const uint8_t *ul;
989  int i;
990 
991  mxf_write_metadata_key(pb, 0x014400);
992  PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
993  klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
994 
995  mxf_write_local_tag(pb, 16, 0x3C0A);
997  PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
998 
999  // write sample rate
1000  mxf_write_local_tag(pb, 8, 0x3001);
1001  avio_wb32(pb, mxf->time_base.den);
1002  avio_wb32(pb, mxf->time_base.num);
1003 
1004  // write essence container ul
1005  mxf_write_local_tag(pb, 16, 0x3004);
1006  if (mxf->essence_container_count > 1)
1007  ul = multiple_desc_ul;
1008  else {
1009  MXFStreamContext *sc = s->streams[0]->priv_data;
1010  ul = mxf_essence_container_uls[sc->index].container_ul;
1011  }
1012  avio_write(pb, ul, 16);
1013 
1014  // write sub descriptor refs
1015  mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01);
1017  for (i = 0; i < s->nb_streams; i++)
1018  mxf_write_uuid(pb, SubDescriptor, i);
1019 }
1020 
1021 static void mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1022 {
1023  MXFContext *mxf = s->priv_data;
1024  MXFStreamContext *sc = st->priv_data;
1025  AVIOContext *pb = s->pb;
1026 
1027  avio_write(pb, key, 16);
1028  klv_encode_ber4_length(pb, size+20+8+12+20);
1029 
1030  mxf_write_local_tag(pb, 16, 0x3C0A);
1032 
1033  mxf_write_local_tag(pb, 4, 0x3006);
1034  avio_wb32(pb, st->index+2);
1035 
1036  mxf_write_local_tag(pb, 8, 0x3001);
1037  if (s->oformat == &ff_mxf_d10_muxer) {
1038  avio_wb32(pb, mxf->time_base.den);
1039  avio_wb32(pb, mxf->time_base.num);
1040  } else {
1041  if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S16LE ||
1043  avio_wb32(pb, st->codecpar->sample_rate);
1044  avio_wb32(pb, 1);
1045  } else {
1046  avio_wb32(pb, mxf->time_base.den);
1047  avio_wb32(pb, mxf->time_base.num);
1048  }
1049  }
1050 
1051  mxf_write_local_tag(pb, 16, 0x3004);
1052  avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
1053 }
1054 
1055 static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
1056 static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
1057 static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
1058 static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
1059 static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
1060 
1061 static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1062 {
1063  MXFStreamContext *sc = st->priv_data;
1064  AVIOContext *pb = s->pb;
1065  int stored_height = (st->codecpar->height+15)/16*16;
1066  int display_height;
1067  int f1, f2;
1068  unsigned desc_size = size+8+8+8+8+8+8+8+5+16+4+12+20+5;
1069  if (sc->interlaced && sc->field_dominance)
1070  desc_size += 5;
1071  if (sc->signal_standard)
1072  desc_size += 5;
1073 
1074  mxf_write_generic_desc(s, st, key, desc_size);
1075 
1076  mxf_write_local_tag(pb, 4, 0x3203);
1077  avio_wb32(pb, st->codecpar->width);
1078 
1079  mxf_write_local_tag(pb, 4, 0x3202);
1080  avio_wb32(pb, stored_height>>sc->interlaced);
1081 
1082  mxf_write_local_tag(pb, 4, 0x3209);
1083  avio_wb32(pb, st->codecpar->width);
1084 
1085  if (st->codecpar->height == 608) // PAL + VBI
1086  display_height = 576;
1087  else if (st->codecpar->height == 512) // NTSC + VBI
1088  display_height = 486;
1089  else
1090  display_height = st->codecpar->height;
1091 
1092  mxf_write_local_tag(pb, 4, 0x3208);
1093  avio_wb32(pb, display_height>>sc->interlaced);
1094 
1095  // presentation Y offset
1096  mxf_write_local_tag(pb, 4, 0x320B);
1097  avio_wb32(pb, (st->codecpar->height - display_height)>>sc->interlaced);
1098 
1099  // component depth
1100  mxf_write_local_tag(pb, 4, 0x3301);
1101  avio_wb32(pb, sc->component_depth);
1102 
1103  // horizontal subsampling
1104  mxf_write_local_tag(pb, 4, 0x3302);
1105  avio_wb32(pb, sc->h_chroma_sub_sample);
1106 
1107  // color siting
1108  mxf_write_local_tag(pb, 1, 0x3303);
1109  avio_w8(pb, sc->color_siting);
1110 
1111  if (sc->signal_standard) {
1112  mxf_write_local_tag(pb, 1, 0x3215);
1113  avio_w8(pb, sc->signal_standard);
1114  }
1115 
1116  // frame layout
1117  mxf_write_local_tag(pb, 1, 0x320C);
1118  avio_w8(pb, sc->interlaced);
1119 
1120  // video line map
1121  switch (st->codecpar->height) {
1122  case 576: f1 = 23; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break;
1123  case 608: f1 = 7; f2 = 320; break;
1124  case 480: f1 = 20; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
1125  case 512: f1 = 7; f2 = 270; break;
1126  case 720: f1 = 26; f2 = 0; break; // progressive
1127  case 1080: f1 = 21; f2 = 584; break;
1128  default: f1 = 0; f2 = 0; break;
1129  }
1130 
1131  if (!sc->interlaced) {
1132  f2 = 0;
1133  f1 *= 2;
1134  }
1135 
1136 
1137  mxf_write_local_tag(pb, 16, 0x320D);
1138  avio_wb32(pb, 2);
1139  avio_wb32(pb, 4);
1140  avio_wb32(pb, f1);
1141  avio_wb32(pb, f2);
1142 
1143  mxf_write_local_tag(pb, 8, 0x320E);
1144  avio_wb32(pb, sc->aspect_ratio.num);
1145  avio_wb32(pb, sc->aspect_ratio.den);
1146 
1147  mxf_write_local_tag(pb, 16, 0x3201);
1148  avio_write(pb, *sc->codec_ul, 16);
1149 
1150  if (sc->interlaced && sc->field_dominance) {
1151  mxf_write_local_tag(pb, 1, 0x3212);
1152  avio_w8(pb, sc->field_dominance);
1153  }
1154 
1155 }
1156 
1158 {
1160 }
1161 
1163 {
1164  AVIOContext *pb = s->pb;
1165  MXFStreamContext *sc = st->priv_data;
1166  int profile_and_level = (st->codecpar->profile<<4) | st->codecpar->level;
1167 
1168  if (st->codecpar->codec_id != AV_CODEC_ID_H264) {
1170 
1171  // bit rate
1172  mxf_write_local_tag(pb, 4, 0x8000);
1173  avio_wb32(pb, sc->video_bit_rate);
1174 
1175  // profile and level
1176  mxf_write_local_tag(pb, 1, 0x8007);
1177  if (!st->codecpar->profile)
1178  profile_and_level |= 0x80; // escape bit
1179  avio_w8(pb, profile_and_level);
1180  } else {
1182  }
1183 }
1184 
1185 static void mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1186 {
1187  AVIOContext *pb = s->pb;
1188  MXFContext *mxf = s->priv_data;
1189  int show_warnings = !mxf->footer_partition_offset;
1190  int duration_size = 0;
1191 
1192  if (s->oformat == &ff_mxf_opatom_muxer)
1193  duration_size = 12;
1194 
1195  mxf_write_generic_desc(s, st, key, size+duration_size+5+12+8+8);
1196 
1197  if (duration_size > 0) {
1198  mxf_write_local_tag(pb, 8, 0x3002);
1199  avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
1200  }
1201 
1202  // audio locked
1203  mxf_write_local_tag(pb, 1, 0x3D02);
1204  avio_w8(pb, 1);
1205 
1206  // write audio sampling rate
1207  mxf_write_local_tag(pb, 8, 0x3D03);
1208  avio_wb32(pb, st->codecpar->sample_rate);
1209  avio_wb32(pb, 1);
1210 
1211  mxf_write_local_tag(pb, 4, 0x3D07);
1212  if (mxf->channel_count == -1) {
1213  if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codecpar->channels != 4) && (st->codecpar->channels != 8))
1214  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");
1215  avio_wb32(pb, st->codecpar->channels);
1216  } else if (s->oformat == &ff_mxf_d10_muxer) {
1217  if (show_warnings && (mxf->channel_count < st->codecpar->channels))
1218  av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1219  if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1220  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");
1221  avio_wb32(pb, mxf->channel_count);
1222  } else {
1223  avio_wb32(pb, st->codecpar->channels);
1224  }
1225 
1226  mxf_write_local_tag(pb, 4, 0x3D01);
1228 }
1229 
1230 static void mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1231 {
1232  AVIOContext *pb = s->pb;
1233 
1234  mxf_write_generic_sound_common(s, st, key, size+6+8);
1235 
1236  mxf_write_local_tag(pb, 2, 0x3D0A);
1237  avio_wb16(pb, st->codecpar->block_align);
1238 
1239  // avg bytes per sec
1240  mxf_write_local_tag(pb, 4, 0x3D09);
1242 }
1243 
1245 {
1247 }
1248 
1250 {
1252 }
1253 
1255 {
1257 }
1258 
1259 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 };
1260 
1261 static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value)
1262 {
1263  MXFContext *mxf = s->priv_data;
1264  AVIOContext *pb = s->pb;
1265  int name_size = mxf_utf16_local_tag_length(name);
1266  int indirect_value_size = 13 + mxf_utf16_local_tag_length(value);
1267 
1268  if (!name_size || indirect_value_size == 13)
1269  return 1;
1270 
1271  mxf_write_metadata_key(pb, 0x013f00);
1272  klv_encode_ber_length(pb, 24 + name_size + indirect_value_size);
1273 
1274  // write instance UID
1275  mxf_write_local_tag(pb, 16, 0x3C0A);
1277 
1278  // write name
1279  mxf_write_local_tag_utf16(pb, 0x5001, name); // Name
1280 
1281  // write indirect value
1282  mxf_write_local_tag(pb, indirect_value_size, 0x5003);
1284  avio_put_str16le(pb, value);
1285 
1286  mxf->tagged_value_count++;
1287  return 0;
1288 }
1289 
1291 {
1292  MXFContext *mxf = s->priv_data;
1293  AVDictionaryEntry *t = NULL;
1294  int count = 0;
1295 
1296  while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) {
1297  if (mxf->tagged_value_count >= UINT16_MAX) {
1298  av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n");
1299  return count;
1300  }
1301 
1302  if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0)
1303  count++;
1304  }
1305  return count;
1306 }
1307 
1308 static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type, const char *package_name)
1309 {
1310  MXFContext *mxf = s->priv_data;
1311  AVIOContext *pb = s->pb;
1312  int i, track_count = s->nb_streams+1;
1313  int name_size = mxf_utf16_local_tag_length(package_name);
1314  int user_comment_count = 0;
1315 
1316  if (type == MaterialPackage) {
1317  if (mxf->store_user_comments)
1318  user_comment_count = mxf_write_user_comments(s, s->metadata);
1319  mxf_write_metadata_key(pb, 0x013600);
1320  PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1321  klv_encode_ber_length(pb, 92 + name_size + (16*track_count) + (16*user_comment_count) + 12LL*mxf->store_user_comments);
1322  } else {
1323  mxf_write_metadata_key(pb, 0x013700);
1324  PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1325  klv_encode_ber_length(pb, 112 + name_size + (16*track_count) + 12LL*mxf->store_user_comments); // 20 bytes length for descriptor reference
1326  }
1327 
1328  // write uid
1329  mxf_write_local_tag(pb, 16, 0x3C0A);
1330  mxf_write_uuid(pb, type, 0);
1331  av_log(s, AV_LOG_DEBUG, "package type:%d\n", type);
1332  PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1333 
1334  // write package umid
1335  mxf_write_local_tag(pb, 32, 0x4401);
1336  mxf_write_umid(s, type == SourcePackage);
1337  PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1338 
1339  // package name
1340  if (name_size)
1341  mxf_write_local_tag_utf16(pb, 0x4402, package_name);
1342 
1343  // package creation date
1344  mxf_write_local_tag(pb, 8, 0x4405);
1345  avio_wb64(pb, mxf->timestamp);
1346 
1347  // package modified date
1348  mxf_write_local_tag(pb, 8, 0x4404);
1349  avio_wb64(pb, mxf->timestamp);
1350 
1351  // write track refs
1352  mxf_write_local_tag(pb, track_count*16 + 8, 0x4403);
1353  mxf_write_refs_count(pb, track_count);
1354  mxf_write_uuid(pb, type == MaterialPackage ? Track :
1355  Track + TypeBottom, -1); // timecode track
1356  for (i = 0; i < s->nb_streams; i++)
1357  mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, i);
1358 
1359  // write user comment refs
1360  if (mxf->store_user_comments) {
1361  mxf_write_local_tag(pb, user_comment_count*16 + 8, 0x4406);
1362  mxf_write_refs_count(pb, user_comment_count);
1363  for (i = 0; i < user_comment_count; i++)
1364  mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i);
1365  }
1366 
1367  // write multiple descriptor reference
1368  if (type == SourcePackage) {
1369  mxf_write_local_tag(pb, 16, 0x4701);
1370  if (s->nb_streams > 1) {
1373  } else
1374  mxf_write_uuid(pb, SubDescriptor, 0);
1375  }
1376 
1377  // write timecode track
1378  mxf_write_track(s, mxf->timecode_track, type);
1379  mxf_write_sequence(s, mxf->timecode_track, type);
1381 
1382  for (i = 0; i < s->nb_streams; i++) {
1383  AVStream *st = s->streams[i];
1384  mxf_write_track(s, st, type);
1385  mxf_write_sequence(s, st, type);
1386  mxf_write_structural_component(s, st, type);
1387 
1388  if (type == SourcePackage) {
1389  MXFStreamContext *sc = st->priv_data;
1390  mxf_essence_container_uls[sc->index].write_desc(s, st);
1391  }
1392  }
1393 }
1394 
1396 {
1397  AVIOContext *pb = s->pb;
1398 
1399  mxf_write_metadata_key(pb, 0x012300);
1400  klv_encode_ber_length(pb, 72);
1401 
1402  mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID
1404 
1405  mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID
1406  mxf_write_umid(s, 1);
1407 
1408  mxf_write_local_tag(pb, 4, 0x3F07); // BodySID
1409  avio_wb32(pb, 1);
1410 
1411  mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID
1412  avio_wb32(pb, 2);
1413 
1414  return 0;
1415 }
1416 
1418 {
1419  const char *material_package_name = NULL;
1420  const char *file_package_name = NULL;
1421  AVDictionaryEntry *entry = NULL;
1422  AVStream *st = NULL;
1423  int i;
1424 
1425  if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0))
1426  material_package_name = entry->value;
1427 
1428  if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) {
1429  file_package_name = entry->value;
1430  } else {
1431  /* check if any of the streams contain a file_package_name */
1432  for (i = 0; i < s->nb_streams; i++) {
1433  st = s->streams[i];
1434  if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) {
1435  file_package_name = entry->value;
1436  break;
1437  }
1438  }
1439  }
1440 
1441  mxf_write_preface(s);
1444  mxf_write_package(s, MaterialPackage, material_package_name);
1445  mxf_write_package(s, SourcePackage, file_package_name);
1447  return 0;
1448 }
1449 
1450 static unsigned klv_fill_size(uint64_t size)
1451 {
1452  unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1453  if (pad < 20) // smallest fill item possible
1454  return pad + KAG_SIZE;
1455  else
1456  return pad & (KAG_SIZE-1);
1457 }
1458 
1460 {
1461  MXFContext *mxf = s->priv_data;
1462  AVIOContext *pb = s->pb;
1463  int i, j, temporal_reordering = 0;
1464  int key_index = mxf->last_key_index;
1465 
1466  av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1467 
1468  if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1469  return;
1470 
1472 
1473  if (mxf->edit_unit_byte_count) {
1474  klv_encode_ber_length(pb, 80);
1475  } else {
1476  klv_encode_ber_length(pb, 85 + 12+(s->nb_streams+1LL)*6 +
1477  12+mxf->edit_units_count*(11+mxf->slice_count*4LL));
1478  }
1479 
1480  // instance id
1481  mxf_write_local_tag(pb, 16, 0x3C0A);
1483 
1484  // index edit rate
1485  mxf_write_local_tag(pb, 8, 0x3F0B);
1486  avio_wb32(pb, mxf->time_base.den);
1487  avio_wb32(pb, mxf->time_base.num);
1488 
1489  // index start position
1490  mxf_write_local_tag(pb, 8, 0x3F0C);
1492 
1493  // index duration
1494  mxf_write_local_tag(pb, 8, 0x3F0D);
1495  if (mxf->edit_unit_byte_count)
1496  avio_wb64(pb, 0); // index table covers whole container
1497  else
1498  avio_wb64(pb, mxf->edit_units_count);
1499 
1500  // edit unit byte count
1501  mxf_write_local_tag(pb, 4, 0x3F05);
1502  avio_wb32(pb, mxf->edit_unit_byte_count);
1503 
1504  // index sid
1505  mxf_write_local_tag(pb, 4, 0x3F06);
1506  avio_wb32(pb, 2);
1507 
1508  // body sid
1509  mxf_write_local_tag(pb, 4, 0x3F07);
1510  avio_wb32(pb, 1);
1511 
1512  if (!mxf->edit_unit_byte_count) {
1513  // real slice count - 1
1514  mxf_write_local_tag(pb, 1, 0x3F08);
1515  avio_w8(pb, mxf->slice_count);
1516 
1517  // delta entry array
1518  mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
1519  avio_wb32(pb, s->nb_streams+1); // num of entries
1520  avio_wb32(pb, 6); // size of one entry
1521  // write system item delta entry
1522  avio_w8(pb, 0);
1523  avio_w8(pb, 0); // slice entry
1524  avio_wb32(pb, 0); // element delta
1525  for (i = 0; i < s->nb_streams; i++) {
1526  AVStream *st = s->streams[i];
1527  MXFStreamContext *sc = st->priv_data;
1528  avio_w8(pb, sc->temporal_reordering);
1529  if (sc->temporal_reordering)
1530  temporal_reordering = 1;
1531  if (i == 0) { // video track
1532  avio_w8(pb, 0); // slice number
1533  avio_wb32(pb, KAG_SIZE); // system item size including klv fill
1534  } else { // audio track
1535  unsigned audio_frame_size = sc->aic.samples[0]*sc->aic.sample_size;
1536  audio_frame_size += klv_fill_size(audio_frame_size);
1537  avio_w8(pb, 1);
1538  avio_wb32(pb, (i-1)*audio_frame_size); // element delta
1539  }
1540  }
1541 
1542  mxf_write_local_tag(pb, 8 + mxf->edit_units_count*(11+mxf->slice_count*4), 0x3F0A);
1543  avio_wb32(pb, mxf->edit_units_count); // num of entries
1544  avio_wb32(pb, 11+mxf->slice_count*4); // size of one entry
1545 
1546  for (i = 0; i < mxf->edit_units_count; i++) {
1547  int temporal_offset = 0;
1548 
1549  if (!(mxf->index_entries[i].flags & 0x33)) { // I-frame
1550  mxf->last_key_index = key_index;
1551  key_index = i;
1552  }
1553 
1554  if (temporal_reordering) {
1555  int pic_num_in_gop = i - key_index;
1556  if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
1557  for (j = key_index; j < mxf->edit_units_count; j++) {
1558  if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
1559  break;
1560  }
1561  if (j == mxf->edit_units_count)
1562  av_log(s, AV_LOG_WARNING, "missing frames\n");
1563  temporal_offset = j - key_index - pic_num_in_gop;
1564  }
1565  }
1566  avio_w8(pb, temporal_offset);
1567 
1568  if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
1569  avio_w8(pb, mxf->last_key_index - i);
1570  } else {
1571  avio_w8(pb, key_index - i); // key frame offset
1572  if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
1573  mxf->last_key_index = key_index;
1574  }
1575 
1576  if (!(mxf->index_entries[i].flags & 0x33) && // I-frame
1577  mxf->index_entries[i].flags & 0x40 && !temporal_offset)
1578  mxf->index_entries[i].flags |= 0x80; // random access
1579  avio_w8(pb, mxf->index_entries[i].flags);
1580  // stream offset
1581  avio_wb64(pb, mxf->index_entries[i].offset);
1582  if (s->nb_streams > 1)
1583  avio_wb32(pb, mxf->index_entries[i].slice_offset);
1584  }
1585 
1586  mxf->last_key_index = key_index - mxf->edit_units_count;
1588  mxf->edit_units_count = 0;
1589  }
1590 }
1591 
1593 {
1594  unsigned pad = klv_fill_size(avio_tell(s->pb));
1595  if (pad) {
1596  avio_write(s->pb, klv_fill_key, 16);
1597  pad -= 16 + 4;
1598  klv_encode_ber4_length(s->pb, pad);
1599  ffio_fill(s->pb, 0, pad);
1600  av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
1601  }
1602 }
1603 
1604 static int mxf_write_partition(AVFormatContext *s, int bodysid,
1605  int indexsid,
1606  const uint8_t *key, int write_metadata)
1607 {
1608  MXFContext *mxf = s->priv_data;
1609  AVIOContext *pb = s->pb;
1610  int64_t header_byte_count_offset;
1611  unsigned index_byte_count = 0;
1612  uint64_t partition_offset = avio_tell(pb);
1613  int err;
1614 
1615  if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
1616  index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
1617  12+mxf->edit_units_count*(11+mxf->slice_count*4);
1618  else if (mxf->edit_unit_byte_count && indexsid)
1619  index_byte_count = 80;
1620 
1621  if (index_byte_count) {
1622  // add encoded ber length
1623  index_byte_count += 16 + klv_ber_length(index_byte_count);
1624  index_byte_count += klv_fill_size(index_byte_count);
1625  }
1626 
1627  if (key && !memcmp(key, body_partition_key, 16)) {
1629  sizeof(*mxf->body_partition_offset))) < 0) {
1630  mxf->body_partitions_count = 0;
1631  return err;
1632  }
1633  mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
1634  }
1635 
1636  // write klv
1637  if (key)
1638  avio_write(pb, key, 16);
1639  else
1640  avio_write(pb, body_partition_key, 16);
1641 
1643 
1644  // write partition value
1645  avio_wb16(pb, 1); // majorVersion
1646  avio_wb16(pb, 2); // minorVersion
1647  avio_wb32(pb, KAG_SIZE); // KAGSize
1648 
1649  avio_wb64(pb, partition_offset); // ThisPartition
1650 
1651  if (key && !memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
1652  avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
1653  else if (key && !memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
1654  avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
1655  else
1656  avio_wb64(pb, 0);
1657 
1658  avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
1659 
1660  // set offset
1661  header_byte_count_offset = avio_tell(pb);
1662  avio_wb64(pb, 0); // headerByteCount, update later
1663 
1664  // indexTable
1665  avio_wb64(pb, index_byte_count); // indexByteCount
1666  avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
1667 
1668  // BodyOffset
1669  if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && s->oformat != &ff_mxf_opatom_muxer)
1670  avio_wb64(pb, mxf->body_offset);
1671  else
1672  avio_wb64(pb, 0);
1673 
1674  avio_wb32(pb, bodysid); // bodySID
1675 
1676  // operational pattern
1677  if (s->oformat == &ff_mxf_opatom_muxer)
1678  avio_write(pb, opatom_ul, 16);
1679  else
1680  avio_write(pb, op1a_ul, 16);
1681 
1682  // essence container
1684 
1685  if (write_metadata) {
1686  // mark the start of the headermetadata and calculate metadata size
1687  int64_t pos, start;
1688  unsigned header_byte_count;
1689 
1690  mxf_write_klv_fill(s);
1691  start = avio_tell(s->pb);
1694  pos = avio_tell(s->pb);
1695  header_byte_count = pos - start + klv_fill_size(pos);
1696 
1697  // update header_byte_count
1698  avio_seek(pb, header_byte_count_offset, SEEK_SET);
1699  avio_wb64(pb, header_byte_count);
1700  avio_seek(pb, pos, SEEK_SET);
1701  }
1702 
1703  if(key)
1704  avio_flush(pb);
1705 
1706  return 0;
1707 }
1708 
1710 AVPacket *pkt)
1711 {
1712  MXFContext *mxf = s->priv_data;
1713  MXFStreamContext *sc = st->priv_data;
1714  int i, cid;
1715  uint8_t* header_cid;
1716  int frame_size = 0;
1717 
1718  if (mxf->header_written)
1719  return 1;
1720 
1721  if (pkt->size < 43)
1722  return -1;
1723 
1724  header_cid = pkt->data + 0x28;
1725  cid = header_cid[0] << 24 | header_cid[1] << 16 | header_cid[2] << 8 | header_cid[3];
1726 
1727  if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) < 0)
1728  return -1;
1729  if ((sc->interlaced = avpriv_dnxhd_get_interlaced(cid)) < 0)
1730  return AVERROR_INVALIDDATA;
1731 
1732  switch (cid) {
1733  case 1235:
1735  sc->component_depth = 10;
1736  break;
1737  case 1237:
1739  break;
1740  case 1238:
1742  break;
1743  case 1241:
1745  sc->component_depth = 10;
1746  break;
1747  case 1242:
1749  break;
1750  case 1243:
1752  break;
1753  case 1250:
1755  sc->component_depth = 10;
1756  break;
1757  case 1251:
1759  break;
1760  case 1252:
1762  break;
1763  case 1253:
1765  break;
1766  default:
1767  return -1;
1768  }
1769 
1770  sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1771  sc->aspect_ratio = (AVRational){ 16, 9 };
1772 
1773  if (s->oformat == &ff_mxf_opatom_muxer) {
1775  return 1;
1776  }
1777 
1779  for (i = 0; i < s->nb_streams; i++) {
1780  AVStream *st = s->streams[i];
1781  MXFStreamContext *sc = st->priv_data;
1782  if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
1783  mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1785  } else if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
1786  mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1788  }
1789  }
1790 
1791  return 1;
1792 }
1793 
1795 {
1796  MXFContext *mxf = s->priv_data;
1797  MXFStreamContext *sc = st->priv_data;
1798  uint8_t *vs_pack, *vsc_pack;
1799  int i, ul_index, frame_size, stype, pal;
1800 
1801  if (mxf->header_written)
1802  return 1;
1803 
1804  // Check for minimal frame size
1805  if (pkt->size < 120000)
1806  return -1;
1807 
1808  vs_pack = pkt->data + 80*5 + 48;
1809  vsc_pack = pkt->data + 80*5 + 53;
1810  stype = vs_pack[3] & 0x1f;
1811  pal = (vs_pack[3] >> 5) & 0x1;
1812 
1813  if ((vsc_pack[2] & 0x07) == 0x02) {
1814  sc->aspect_ratio = (AVRational){ 16, 9 };
1815  } else {
1816  sc->aspect_ratio = (AVRational){ 4, 3 };
1817  }
1818 
1819  sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
1820  // TODO: fix dv encoder to set proper FF/FS value in VSC pack
1821  // and set field dominance accordingly
1822  // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
1823 
1824  switch (stype) {
1825  case 0x18: // DV100 720p
1826  ul_index = INDEX_DV100_720_50 + pal;
1827  frame_size = pal ? 288000 : 240000;
1828  if (sc->interlaced) {
1829  av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
1830  sc->interlaced = 0;
1831  }
1832  break;
1833  case 0x14: // DV100 1080i
1834  ul_index = INDEX_DV100_1080_50 + pal;
1835  frame_size = pal ? 576000 : 480000;
1836  break;
1837  case 0x04: // DV50
1838  ul_index = INDEX_DV50_525_60 + pal;
1839  frame_size = pal ? 288000 : 240000;
1840  break;
1841  default: // DV25
1842  ul_index = INDEX_DV25_525_60 + pal;
1843  frame_size = pal ? 144000 : 120000;
1844  }
1845 
1846  sc->index = ul_index;
1847  sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1848 
1849  if(s->oformat == &ff_mxf_opatom_muxer) {
1851  return 1;
1852  }
1853 
1855  for (i = 0; i < s->nb_streams; i++) {
1856  AVStream *st = s->streams[i];
1857  MXFStreamContext *sc = st->priv_data;
1858  if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
1859  mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1861  } else if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
1862  mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1864  }
1865  }
1866 
1867  return 1;
1868 }
1869 
1870 static const struct {
1873  int profile;
1875 } mxf_h264_codec_uls[] = {
1876  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x11,0x01 }, 0, 66, 0 }, // AVC Baseline, Unconstrained Coding
1877  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0 }, // AVC High 10 Intra
1878  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 0, 1 }, // AVC Intra 50 1080i60
1879  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 0, 1 }, // AVC Intra 50 1080i50
1880  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 0, 0 }, // AVC Intra 50 1080p30
1881  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 0, 0 }, // AVC Intra 50 1080p25
1882  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 0, 0 }, // AVC Intra 50 720p60
1883  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 0, 0 }, // AVC Intra 50 720p50
1884  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0 }, // AVC High 422 Intra
1885  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 0, 1 }, // AVC Intra 100 1080i60
1886  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 0, 1 }, // AVC Intra 100 1080i50
1887  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 0, 0 }, // AVC Intra 100 1080p30
1888  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 0, 0 }, // AVC Intra 100 1080p25
1889  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 0, 0 }, // AVC Intra 100 720p60
1890  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 0, 0 }, // AVC Intra 100 720p50
1891 };
1892 
1894  AVPacket *pkt, MXFIndexEntry *e)
1895 {
1896  MXFContext *mxf = s->priv_data;
1897  MXFStreamContext *sc = st->priv_data;
1898  static const int mxf_h264_num_codec_uls = sizeof(mxf_h264_codec_uls) / sizeof(mxf_h264_codec_uls[0]);
1899  const uint8_t *buf = pkt->data;
1900  const uint8_t *buf_end = pkt->data + pkt->size;
1901  uint32_t state = -1;
1902  int extra_size = 512; // support AVC Intra files without SPS/PPS header
1903  int i, frame_size;
1904  uint8_t uid_found;
1905 
1906  if (pkt->size > extra_size)
1907  buf_end -= pkt->size - extra_size; // no need to parse beyond SPS/PPS header
1908 
1909  for (;;) {
1910  buf = avpriv_find_start_code(buf, buf_end, &state);
1911  if (buf >= buf_end)
1912  break;
1913  --buf;
1914  switch (state & 0x1f) {
1915  case H264_NAL_SPS:
1916  st->codecpar->profile = buf[1];
1917  e->flags |= 0x40;
1918  break;
1919  case H264_NAL_PPS:
1920  if (e->flags & 0x40) { // sequence header present
1921  e->flags |= 0x80; // random access
1922  extra_size = 0;
1923  buf = buf_end;
1924  }
1925  break;
1926  default:
1927  break;
1928  }
1929  }
1930 
1931  if (mxf->header_written)
1932  return 1;
1933 
1934  sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD
1935  sc->component_depth = 10; // AVC Intra is always 10 Bit
1936  sc->interlaced = st->codecpar->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0;
1937  if (sc->interlaced)
1938  sc->field_dominance = 1; // top field first is mandatory for AVC Intra
1939 
1940  uid_found = 0;
1941  frame_size = pkt->size + extra_size;
1942  for (i = 0; i < mxf_h264_num_codec_uls; i++) {
1943  if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) {
1944  sc->codec_ul = &mxf_h264_codec_uls[i].uid;
1945  return 1;
1946  } else if (st->codecpar->profile == mxf_h264_codec_uls[i].profile) {
1947  sc->codec_ul = &mxf_h264_codec_uls[i].uid;
1948  uid_found = 1;
1949  }
1950  }
1951 
1952  if (!uid_found) {
1953  av_log(s, AV_LOG_ERROR, "AVC Intra 50/100 supported only\n");
1954  return 0;
1955  }
1956 
1957  return 1;
1958 }
1959 
1960 static const UID mxf_mpeg2_codec_uls[] = {
1961  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
1962  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
1963  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
1964  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
1965  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
1966  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
1967  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
1968  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
1969  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
1970  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
1971 };
1972 
1974 {
1975  int long_gop = 1;
1976 
1977  if (par->profile == 4) { // Main
1978  if (par->level == 8) // Main
1979  return &mxf_mpeg2_codec_uls[0+long_gop];
1980  else if (par->level == 4) // High
1981  return &mxf_mpeg2_codec_uls[4+long_gop];
1982  else if (par->level == 6) // High 14
1983  return &mxf_mpeg2_codec_uls[8+long_gop];
1984  } else if (par->profile == 0) { // 422
1985  if (par->level == 5) // Main
1986  return &mxf_mpeg2_codec_uls[2+long_gop];
1987  else if (par->level == 2) // High
1988  return &mxf_mpeg2_codec_uls[6+long_gop];
1989  }
1990  return NULL;
1991 }
1992 
1994  AVPacket *pkt, MXFIndexEntry *e)
1995 {
1996  MXFStreamContext *sc = st->priv_data;
1997  uint32_t c = -1;
1998  int i;
1999 
2000  for(i = 0; i < pkt->size - 4; i++) {
2001  c = (c<<8) + pkt->data[i];
2002  if (c == 0x1b5) {
2003  if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
2004  st->codecpar->profile = pkt->data[i+1] & 0x07;
2005  st->codecpar->level = pkt->data[i+2] >> 4;
2006  } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
2007  sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
2008  if (sc->interlaced)
2009  sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
2010  break;
2011  }
2012  } else if (c == 0x1b8) { // gop
2013  if (pkt->data[i+4]>>6 & 0x01) { // closed
2014  sc->closed_gop = 1;
2015  if (e->flags & 0x40) // sequence header present
2016  e->flags |= 0x80; // random access
2017  }
2018  } else if (c == 0x1b3) { // seq
2019  e->flags |= 0x40;
2020  switch ((pkt->data[i+4]>>4) & 0xf) {
2021  case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
2022  case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
2023  case 4: sc->aspect_ratio = (AVRational){221,100}; break;
2024  default:
2026  st->codecpar->width, st->codecpar->height, 1024*1024);
2027  }
2028  } else if (c == 0x100) { // pic
2029  int pict_type = (pkt->data[i+2]>>3) & 0x07;
2030  e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2031  if (pict_type == 2) { // P-frame
2032  e->flags |= 0x22;
2033  sc->closed_gop = 0; // reset closed GOP, don't matter anymore
2034  } else if (pict_type == 3) { // B-frame
2035  if (sc->closed_gop)
2036  e->flags |= 0x13; // only backward prediction
2037  else
2038  e->flags |= 0x33;
2039  sc->temporal_reordering = -1;
2040  } else if (!pict_type) {
2041  av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
2042  return 0;
2043  }
2044  }
2045  }
2046  if (s->oformat != &ff_mxf_d10_muxer)
2048  return !!sc->codec_ul;
2049 }
2050 
2051 static uint64_t mxf_parse_timestamp(time_t timestamp)
2052 {
2053  struct tm tmbuf;
2054  struct tm *time = gmtime_r(&timestamp, &tmbuf);
2055  if (!time)
2056  return 0;
2057  return (uint64_t)(time->tm_year+1900) << 48 |
2058  (uint64_t)(time->tm_mon+1) << 40 |
2059  (uint64_t) time->tm_mday << 32 |
2060  time->tm_hour << 24 |
2061  time->tm_min << 16 |
2062  time->tm_sec << 8;
2063 }
2064 
2066 {
2067  MXFContext *mxf = s->priv_data;
2068  uint32_t seed = av_get_random_seed();
2069  uint64_t umid = seed + 0x5294713400000000LL;
2070 
2071  AV_WB64(mxf->umid , umid);
2072  AV_WB64(mxf->umid+8, umid>>8);
2073 
2074  mxf->instance_number = seed & 0xFFFFFF;
2075 }
2076 
2078 {
2079  MXFContext *mxf = s->priv_data;
2080  AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
2081  if (!tcr)
2082  tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
2083 
2084  if (tcr)
2085  return av_timecode_init_from_string(&mxf->tc, rate, tcr->value, s);
2086  else
2087  return av_timecode_init(&mxf->tc, rate, 0, 0, s);
2088 }
2089 
2091 {
2092  MXFContext *mxf = s->priv_data;
2093  int i, ret;
2094  uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
2095  const MXFSamplesPerFrame *spf = NULL;
2096  int64_t timestamp = 0;
2097 
2098  if (!s->nb_streams)
2099  return -1;
2100 
2101  if (s->oformat == &ff_mxf_opatom_muxer && s->nb_streams !=1) {
2102  av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n");
2103  return -1;
2104  }
2105 
2106  if (!av_dict_get(s->metadata, "comment_", NULL, AV_DICT_IGNORE_SUFFIX))
2107  mxf->store_user_comments = 0;
2108 
2109  for (i = 0; i < s->nb_streams; i++) {
2110  AVStream *st = s->streams[i];
2111  MXFStreamContext *sc = av_mallocz(sizeof(*sc));
2112  if (!sc)
2113  return AVERROR(ENOMEM);
2114  st->priv_data = sc;
2115 
2116  if (((i == 0) ^ (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)) && s->oformat != &ff_mxf_opatom_muxer) {
2117  av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
2118  return -1;
2119  }
2120 
2121  if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2122  const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codecpar->format);
2123  // TODO: should be avg_frame_rate
2124  AVRational rate, tbc = st->time_base;
2125  // Default component depth to 8
2126  sc->component_depth = 8;
2127  sc->h_chroma_sub_sample = 2;
2128  sc->color_siting = 0xFF;
2129 
2130  if (pix_desc) {
2131  sc->component_depth = pix_desc->comp[0].depth;
2132  sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w;
2133  }
2134  switch (ff_choose_chroma_location(s, st)) {
2135  case AVCHROMA_LOC_TOPLEFT: sc->color_siting = 0; break;
2136  case AVCHROMA_LOC_LEFT: sc->color_siting = 6; break;
2137  case AVCHROMA_LOC_TOP: sc->color_siting = 1; break;
2138  case AVCHROMA_LOC_CENTER: sc->color_siting = 3; break;
2139  }
2140 
2141  mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2142  spf = ff_mxf_get_samples_per_frame(s, tbc);
2143  if (!spf) {
2144  av_log(s, AV_LOG_ERROR, "Unsupported video frame rate %d/%d\n",
2145  tbc.den, tbc.num);
2146  return AVERROR(EINVAL);
2147  }
2148  mxf->time_base = spf->time_base;
2149  rate = av_inv_q(mxf->time_base);
2150  avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
2151  if((ret = mxf_init_timecode(s, st, rate)) < 0)
2152  return ret;
2153 
2154  sc->video_bit_rate = st->codecpar->bit_rate;
2155  if (s->oformat == &ff_mxf_d10_muxer) {
2157  av_log(s, AV_LOG_ERROR, "error MXF D-10 only support MPEG-2 Video\n");
2158  return AVERROR(EINVAL);
2159  }
2160  if ((sc->video_bit_rate == 50000000) && (mxf->time_base.den == 25)) {
2162  } else if ((sc->video_bit_rate == 49999840 || sc->video_bit_rate == 50000000) && (mxf->time_base.den != 25)) {
2164  } else if (sc->video_bit_rate == 40000000) {
2165  if (mxf->time_base.den == 25) sc->index = INDEX_D10_625_50_40_VIDEO;
2166  else sc->index = INDEX_D10_525_60_40_VIDEO;
2167  } else if (sc->video_bit_rate == 30000000) {
2168  if (mxf->time_base.den == 25) sc->index = INDEX_D10_625_50_30_VIDEO;
2169  else sc->index = INDEX_D10_525_60_30_VIDEO;
2170  } else {
2171  av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
2172  return -1;
2173  }
2174 
2175  mxf->edit_unit_byte_count = KAG_SIZE; // system element
2176  mxf->edit_unit_byte_count += 16 + 4 + (uint64_t)sc->video_bit_rate *
2177  mxf->time_base.num / (8*mxf->time_base.den);
2179  mxf->edit_unit_byte_count += 16 + 4 + 4 + spf->samples_per_frame[0]*8*4;
2181 
2182  sc->signal_standard = 1;
2183  }
2184  if (mxf->signal_standard >= 0)
2185  sc->signal_standard = mxf->signal_standard;
2186  } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2187  if (st->codecpar->sample_rate != 48000) {
2188  av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
2189  return -1;
2190  }
2191  avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
2192  if (s->oformat == &ff_mxf_d10_muxer) {
2193  if (st->index != 1) {
2194  av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
2195  return -1;
2196  }
2197  if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2199  av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
2200  }
2201  sc->index = ((MXFStreamContext*)s->streams[0]->priv_data)->index + 1;
2202  } else if (s->oformat == &ff_mxf_opatom_muxer) {
2203  AVRational tbc = av_inv_q(mxf->audio_edit_rate);
2204 
2205  if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2207  av_log(s, AV_LOG_ERROR, "Only pcm_s16le and pcm_s24le audio codecs are implemented\n");
2208  return AVERROR_PATCHWELCOME;
2209  }
2210  if (st->codecpar->channels != 1) {
2211  av_log(s, AV_LOG_ERROR, "MXF OPAtom only supports single channel audio\n");
2212  return AVERROR(EINVAL);
2213  }
2214 
2215  spf = ff_mxf_get_samples_per_frame(s, tbc);
2216  if (!spf) {
2217  av_log(s, AV_LOG_ERROR, "Unsupported timecode frame rate %d/%d\n", tbc.den, tbc.num);
2218  return AVERROR(EINVAL);
2219  }
2220 
2221  mxf->time_base = st->time_base;
2222  if((ret = mxf_init_timecode(s, st, av_inv_q(spf->time_base))) < 0)
2223  return ret;
2224 
2225  mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2227  sc->index = INDEX_WAV;
2228  } else {
2229  mxf->slice_count = 1;
2230  }
2231  }
2232 
2233  if (!sc->index) {
2235  if (sc->index == -1) {
2236  av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
2237  "codec not currently supported in container\n", i);
2238  return -1;
2239  }
2240  }
2241 
2242  sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2243 
2244  memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
2245  sc->track_essence_element_key[15] = present[sc->index];
2246  PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
2247 
2248  if (!present[sc->index])
2249  mxf->essence_container_count++;
2250  present[sc->index]++;
2251  }
2252 
2253  if (s->oformat == &ff_mxf_d10_muxer || s->oformat == &ff_mxf_opatom_muxer) {
2254  mxf->essence_container_count = 1;
2255  }
2256 
2257  if (!(s->flags & AVFMT_FLAG_BITEXACT))
2258  mxf_gen_umid(s);
2259 
2260  for (i = 0; i < s->nb_streams; i++) {
2261  MXFStreamContext *sc = s->streams[i]->priv_data;
2262  // update element count
2263  sc->track_essence_element_key[13] = present[sc->index];
2264  if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[15].element_ul, 13)) // DV
2265  sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
2266  else
2267  sc->order = AV_RB32(sc->track_essence_element_key+12);
2268  }
2269 
2270  if (ff_parse_creation_time_metadata(s, &timestamp, 1) > 0)
2271  mxf->timestamp = mxf_parse_timestamp(timestamp);
2272  mxf->duration = -1;
2273 
2274  mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
2275  if (!mxf->timecode_track)
2276  return AVERROR(ENOMEM);
2278  if (!mxf->timecode_track->priv_data)
2279  return AVERROR(ENOMEM);
2280  mxf->timecode_track->index = -1;
2281 
2282  if (!spf)
2283  spf = ff_mxf_get_samples_per_frame(s, (AVRational){ 1, 25 });
2284 
2285  if (ff_audio_interleave_init(s, spf->samples_per_frame, mxf->time_base) < 0)
2286  return -1;
2287 
2288  return 0;
2289 }
2290 
2291 static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
2292 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 };
2293 
2295 {
2296  MXFContext *mxf = s->priv_data;
2297  AVIOContext *pb = s->pb;
2298  unsigned frame;
2299  uint32_t time_code;
2300 
2301  frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2302 
2303  // write system metadata pack
2305  klv_encode_ber4_length(pb, 57);
2306  avio_w8(pb, 0x5c); // UL, user date/time stamp, picture and sound item present
2307  avio_w8(pb, 0x04); // content package rate
2308  avio_w8(pb, 0x00); // content package type
2309  avio_wb16(pb, 0x00); // channel handle
2310  avio_wb16(pb, (mxf->tc.start + frame) & 0xFFFF); // continuity count, supposed to overflow
2311  if (mxf->essence_container_count > 1)
2312  avio_write(pb, multiple_desc_ul, 16);
2313  else {
2314  MXFStreamContext *sc = s->streams[0]->priv_data;
2315  avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
2316  }
2317  avio_w8(pb, 0);
2318  avio_wb64(pb, 0);
2319  avio_wb64(pb, 0); // creation date/time stamp
2320 
2321  avio_w8(pb, 0x81); // SMPTE 12M time code
2322  time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
2323  avio_wb32(pb, time_code);
2324  avio_wb32(pb, 0); // binary group data
2325  avio_wb64(pb, 0);
2326 
2327  // write system metadata package set
2329  klv_encode_ber4_length(pb, 35);
2330  avio_w8(pb, 0x83); // UMID
2331  avio_wb16(pb, 0x20);
2332  mxf_write_umid(s, 1);
2333 }
2334 
2336 {
2337  MXFContext *mxf = s->priv_data;
2338  AVIOContext *pb = s->pb;
2339  MXFStreamContext *sc = st->priv_data;
2340  int packet_size = (uint64_t)sc->video_bit_rate*mxf->time_base.num /
2341  (8*mxf->time_base.den); // frame size
2342  int pad;
2343 
2344  packet_size += 16 + 4;
2345  packet_size += klv_fill_size(packet_size);
2346 
2347  klv_encode_ber4_length(pb, pkt->size);
2348  avio_write(pb, pkt->data, pkt->size);
2349 
2350  // ensure CBR muxing by padding to correct video frame size
2351  pad = packet_size - pkt->size - 16 - 4;
2352  if (pad > 20) {
2353  avio_write(s->pb, klv_fill_key, 16);
2354  pad -= 16 + 4;
2355  klv_encode_ber4_length(s->pb, pad);
2356  ffio_fill(s->pb, 0, pad);
2357  av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
2358  } else {
2359  av_log(s, AV_LOG_WARNING, "cannot fill d-10 video packet\n");
2360  ffio_fill(s->pb, 0, pad);
2361  }
2362 }
2363 
2365 {
2366  MXFContext *mxf = s->priv_data;
2367  AVIOContext *pb = s->pb;
2368  int frame_size = pkt->size / st->codecpar->block_align;
2369  uint8_t *samples = pkt->data;
2370  uint8_t *end = pkt->data + pkt->size;
2371  int i;
2372 
2373  klv_encode_ber4_length(pb, 4 + frame_size*4*8);
2374 
2375  avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
2376  avio_wl16(pb, frame_size);
2377  avio_w8(pb, (1<<st->codecpar->channels)-1);
2378 
2379  while (samples < end) {
2380  for (i = 0; i < st->codecpar->channels; i++) {
2381  uint32_t sample;
2382  if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
2383  sample = AV_RL24(samples)<< 4;
2384  samples += 3;
2385  } else {
2386  sample = AV_RL16(samples)<<12;
2387  samples += 2;
2388  }
2389  avio_wl32(pb, sample | i);
2390  }
2391  for (; i < 8; i++)
2392  avio_wl32(pb, i);
2393  }
2394 }
2395 
2397 {
2398  MXFContext *mxf = s->priv_data;
2399  AVIOContext *pb = s->pb;
2400  AVStream *st = s->streams[0];
2401  MXFStreamContext *sc = st->priv_data;
2402  const uint8_t *key = NULL;
2403 
2404  int err;
2405 
2406  if (!mxf->header_written)
2407  key = body_partition_key;
2408 
2409  if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0)
2410  return err;
2411  mxf_write_klv_fill(s);
2414  return 0;
2415 }
2416 
2418 {
2419  MXFContext *mxf = s->priv_data;
2420  AVIOContext *pb = s->pb;
2421 
2422  int err;
2423 
2424  if (!mxf->header_written) {
2425  if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2426  return err;
2427  mxf_write_klv_fill(s);
2428 
2429  if ((err = mxf_write_opatom_body_partition(s)) < 0)
2430  return err;
2431  mxf->header_written = 1;
2432  }
2433 
2434  if (!mxf->edit_unit_byte_count) {
2436  mxf->index_entries[mxf->edit_units_count].flags = ie->flags;
2438  }
2439  mxf->edit_units_count++;
2440  avio_write(pb, pkt->data, pkt->size);
2441  mxf->body_offset += pkt->size;
2442  avio_flush(pb);
2443 
2444  return 0;
2445 }
2446 
2448 {
2449  MXFContext *mxf = s->priv_data;
2450  AVIOContext *pb = s->pb;
2451  AVStream *st = s->streams[pkt->stream_index];
2452  MXFStreamContext *sc = st->priv_data;
2453  MXFIndexEntry ie = {0};
2454  int err;
2455 
2457  if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
2458  + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
2459  mxf->edit_units_count = 0;
2460  av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
2461  return err;
2462  }
2463  }
2464 
2466  if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
2467  av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
2468  return -1;
2469  }
2470  } else if (st->codecpar->codec_id == AV_CODEC_ID_DNXHD) {
2471  if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
2472  av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
2473  return -1;
2474  }
2475  } else if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) {
2476  if (!mxf_parse_dv_frame(s, st, pkt)) {
2477  av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
2478  return -1;
2479  }
2480  } else if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
2481  if (!mxf_parse_h264_frame(s, st, pkt, &ie)) {
2482  av_log(s, AV_LOG_ERROR, "could not get h264 profile\n");
2483  return -1;
2484  }
2485  }
2486 
2487  if (s->oformat == &ff_mxf_opatom_muxer)
2488  return mxf_write_opatom_packet(s, pkt, &ie);
2489 
2490  if (!mxf->header_written) {
2491  if (mxf->edit_unit_byte_count) {
2492  if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
2493  return err;
2494  mxf_write_klv_fill(s);
2496  } else {
2497  if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2498  return err;
2499  }
2500  mxf->header_written = 1;
2501  }
2502 
2503  if (st->index == 0) {
2504  if (!mxf->edit_unit_byte_count &&
2506  !(ie.flags & 0x33)) { // I-frame, GOP start
2507  mxf_write_klv_fill(s);
2508  if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
2509  return err;
2510  mxf_write_klv_fill(s);
2512  }
2513 
2514  mxf_write_klv_fill(s);
2516 
2517  if (!mxf->edit_unit_byte_count) {
2519  mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
2521  mxf->body_offset += KAG_SIZE; // size of system element
2522  }
2523  mxf->edit_units_count++;
2524  } else if (!mxf->edit_unit_byte_count && st->index == 1) {
2525  if (!mxf->edit_units_count) {
2526  av_log(s, AV_LOG_ERROR, "No packets in first stream\n");
2527  return AVERROR_PATCHWELCOME;
2528  }
2530  mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
2531  }
2532 
2533  mxf_write_klv_fill(s);
2534  avio_write(pb, sc->track_essence_element_key, 16); // write key
2535  if (s->oformat == &ff_mxf_d10_muxer) {
2537  mxf_write_d10_video_packet(s, st, pkt);
2538  else
2539  mxf_write_d10_audio_packet(s, st, pkt);
2540  } else {
2541  klv_encode_ber4_length(pb, pkt->size); // write length
2542  avio_write(pb, pkt->data, pkt->size);
2543  mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
2544  }
2545 
2546  avio_flush(pb);
2547 
2548  return 0;
2549 }
2550 
2552 {
2553  MXFContext *mxf = s->priv_data;
2554  AVIOContext *pb = s->pb;
2555  uint64_t pos = avio_tell(pb);
2556  int i;
2557 
2559  klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
2560 
2561  if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer)
2562  avio_wb32(pb, 1); // BodySID of header partition
2563  else
2564  avio_wb32(pb, 0);
2565  avio_wb64(pb, 0); // offset of header partition
2566 
2567  for (i = 0; i < mxf->body_partitions_count; i++) {
2568  avio_wb32(pb, 1); // BodySID
2569  avio_wb64(pb, mxf->body_partition_offset[i]);
2570  }
2571 
2572  avio_wb32(pb, 0); // BodySID of footer partition
2574 
2575  avio_wb32(pb, avio_tell(pb) - pos + 4);
2576 }
2577 
2579 {
2580  MXFContext *mxf = s->priv_data;
2581  AVIOContext *pb = s->pb;
2582  int err = 0;
2583 
2584  if (!mxf->header_written ||
2585  (s->oformat == &ff_mxf_opatom_muxer && !mxf->body_partition_offset)) {
2586  /* reason could be invalid options/not supported codec/out of memory */
2587  err = AVERROR_UNKNOWN;
2588  goto end;
2589  }
2590 
2592 
2593  mxf_write_klv_fill(s);
2595  if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { // no need to repeat index
2596  if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
2597  goto end;
2598  } else {
2599  if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
2600  goto end;
2601  mxf_write_klv_fill(s);
2603  }
2604 
2605  mxf_write_klv_fill(s);
2607 
2608  if (s->pb->seekable & AVIO_SEEKABLE_NORMAL) {
2609  if (s->oformat == &ff_mxf_opatom_muxer) {
2610  /* rewrite body partition to update lengths */
2611  avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET);
2612  if ((err = mxf_write_opatom_body_partition(s)) < 0)
2613  goto end;
2614  }
2615 
2616  avio_seek(pb, 0, SEEK_SET);
2617  if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) {
2618  if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
2619  goto end;
2620  mxf_write_klv_fill(s);
2622  } else {
2623  if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
2624  goto end;
2625  }
2626  }
2627 
2628 end:
2630 
2631  av_freep(&mxf->index_entries);
2634  av_freep(&mxf->timecode_track);
2635 
2636  mxf_free(s);
2637 
2638  return err < 0 ? err : 0;
2639 }
2640 
2642 {
2643  int i, stream_count = 0;
2644 
2645  for (i = 0; i < s->nb_streams; i++)
2646  stream_count += !!s->streams[i]->last_in_packet_buffer;
2647 
2648  if (stream_count && (s->nb_streams == stream_count || flush)) {
2649  AVPacketList *pktl = s->internal->packet_buffer;
2650  if (s->nb_streams != stream_count) {
2651  AVPacketList *last = NULL;
2652  // find last packet in edit unit
2653  while (pktl) {
2654  if (!stream_count || pktl->pkt.stream_index == 0)
2655  break;
2656  last = pktl;
2657  pktl = pktl->next;
2658  stream_count--;
2659  }
2660  // purge packet queue
2661  while (pktl) {
2662  AVPacketList *next = pktl->next;
2663 
2664  if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2666  av_packet_unref(&pktl->pkt);
2667  av_freep(&pktl);
2668  pktl = next;
2669  }
2670  if (last)
2671  last->next = NULL;
2672  else {
2673  s->internal->packet_buffer = NULL;
2675  goto out;
2676  }
2677  pktl = s->internal->packet_buffer;
2678  }
2679 
2680  *out = pktl->pkt;
2681  av_log(s, AV_LOG_TRACE, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts);
2682  s->internal->packet_buffer = pktl->next;
2683  if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2685  if(!s->internal->packet_buffer)
2687  av_freep(&pktl);
2688  return 1;
2689  } else {
2690  out:
2691  av_init_packet(out);
2692  return 0;
2693  }
2694 }
2695 
2697 {
2699  MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
2700 
2701  return next->dts > pkt->dts ||
2702  (next->dts == pkt->dts && sc->order < sc2->order);
2703 }
2704 
2706 {
2707  return ff_audio_rechunk_interleave(s, out, pkt, flush,
2709 }
2710 
2711 #define MXF_COMMON_OPTIONS \
2712  { "signal_standard", "Force/set Sigal Standard",\
2713  offsetof(MXFContext, signal_standard), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2714  { "bt601", "ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)",\
2715  0, AV_OPT_TYPE_CONST, {.i64 = 1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2716  { "bt1358", "ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)",\
2717  0, AV_OPT_TYPE_CONST, {.i64 = 2}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2718  { "smpte347m", "SMPTE 347M (540 Mbps mappings)",\
2719  0, AV_OPT_TYPE_CONST, {.i64 = 3}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2720  { "smpte274m", "SMPTE 274M (1125 line)",\
2721  0, AV_OPT_TYPE_CONST, {.i64 = 4}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2722  { "smpte296m", "SMPTE 296M (750 line progressive)",\
2723  0, AV_OPT_TYPE_CONST, {.i64 = 5}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2724  { "smpte349m", "SMPTE 349M (1485 Mbps mappings)",\
2725  0, AV_OPT_TYPE_CONST, {.i64 = 6}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2726  { "smpte428", "SMPTE 428-1 DCDM",\
2727  0, AV_OPT_TYPE_CONST, {.i64 = 7}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},
2728 
2729 
2730 
2731 static const AVOption mxf_options[] = {
2733  { "store_user_comments", "",
2734  offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
2735  { NULL },
2736 };
2737 
2738 static const AVClass mxf_muxer_class = {
2739  .class_name = "MXF muxer",
2740  .item_name = av_default_item_name,
2741  .option = mxf_options,
2742  .version = LIBAVUTIL_VERSION_INT,
2743 };
2744 
2745 static const AVOption d10_options[] = {
2746  { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
2747  offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
2749  { "store_user_comments", "",
2750  offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
2751  { NULL },
2752 };
2753 
2755  .class_name = "MXF-D10 muxer",
2756  .item_name = av_default_item_name,
2757  .option = d10_options,
2758  .version = LIBAVUTIL_VERSION_INT,
2759 };
2760 
2761 static const AVOption opatom_options[] = {
2762  { "mxf_audio_edit_rate", "Audio edit rate for timecode",
2763  offsetof(MXFContext, audio_edit_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
2765  { NULL },
2766 };
2767 
2769  .class_name = "MXF-OPAtom muxer",
2770  .item_name = av_default_item_name,
2771  .option = opatom_options,
2772  .version = LIBAVUTIL_VERSION_INT,
2773 };
2774 
2776  .name = "mxf",
2777  .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
2778  .mime_type = "application/mxf",
2779  .extensions = "mxf",
2780  .priv_data_size = sizeof(MXFContext),
2781  .audio_codec = AV_CODEC_ID_PCM_S16LE,
2782  .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2788  .priv_class = &mxf_muxer_class,
2789 };
2790 
2791 AVOutputFormat ff_mxf_d10_muxer = {
2792  .name = "mxf_d10",
2793  .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
2794  .mime_type = "application/mxf",
2795  .priv_data_size = sizeof(MXFContext),
2796  .audio_codec = AV_CODEC_ID_PCM_S16LE,
2797  .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2803  .priv_class = &mxf_d10_muxer_class,
2804 };
2805 
2806 AVOutputFormat ff_mxf_opatom_muxer = {
2807  .name = "mxf_opatom",
2808  .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"),
2809  .mime_type = "application/mxf",
2810  .extensions = "mxf",
2811  .priv_data_size = sizeof(MXFContext),
2812  .audio_codec = AV_CODEC_ID_PCM_S16LE,
2813  .video_codec = AV_CODEC_ID_DNXHD,
2819  .priv_class = &mxf_opatom_muxer_class,
2820 };
static uint64_t mxf_parse_timestamp(time_t timestamp)
Definition: mxfenc.c:2051
static void write_packet(OutputFile *of, AVPacket *pkt, OutputStream *ost, int unqueue)
Definition: ffmpeg.c:671
void avio_wb64(AVIOContext *s, uint64_t val)
Definition: aviobuf.c:468
uint32_t tagged_value_count
Definition: mxfenc.c:364
#define NULL
Definition: coverity.c:32
enum AVFieldOrder field_order
Video only.
Definition: avcodec.h:4224
void avio_wl16(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:474
static const struct @224 mxf_h264_codec_uls[]
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:723
static void mxf_write_d10_video_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:2335
int component_depth
Definition: mxfenc.c:86
static const uint8_t header_closed_partition_key[]
Definition: mxfenc.c:382
#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:361
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2419
MPEG-2/4 4:2:0, H.264 default for 4:2:0.
Definition: pixfmt.h:531
int signal_standard
Definition: mxfenc.c:88
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:1459
enum AVCodecID id
Definition: mxfenc.c:143
uint64_t body_offset
Definition: mxfenc.c:359
static struct @260 state
#define PRINT_KEY(pc, s, x)
Definition: mxf.h:115
static const uint8_t klv_fill_key[]
Definition: mxfenc.c:383
static const UID mxf_mpegvideo_descriptor_key
Definition: mxfenc.c:1055
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
#define LIBAVUTIL_VERSION_INT
Definition: version.h:86
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:552
int index
index in mxf_essence_container_uls table
Definition: mxfenc.c:81
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:4739
static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
Definition: mxfenc.c:948
unsigned body_partitions_count
Definition: mxfenc.c:352
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: avcodec.h:4143
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:2077
int index
stream index in AVFormatContext
Definition: avformat.h:890
int size
Definition: avcodec.h:1673
Definition: mxf.h:34
static const UID mxf_cdci_descriptor_key
Definition: mxfenc.c:1058
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
Definition: aviobuf.c:244
AVFormatInternal * internal
An opaque field for libavformat internal usage.
Definition: avformat.h:1780
int interlaced
whether picture is interlaced
Definition: mxfenc.c:84
int av_log2(unsigned v)
Definition: intmath.c:26
static const uint8_t body_partition_key[]
Definition: mxfenc.c:384
AVOutputFormat ff_mxf_muxer
Definition: mxfenc.c:2775
int avpriv_dnxhd_get_interlaced(int cid)
Definition: dnxhddata.c:1107
void * priv_data
Definition: avformat.h:904
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:222
static AVPacket pkt
struct AVRational time_base
Definition: mxf.h:74
static void mxf_free(AVFormatContext *s)
Definition: mxfenc.c:608
static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
Definition: mxfenc.c:495
static void mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
Definition: mxfenc.c:1021
#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:80
static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:868
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:4135
static int mxf_write_header(AVFormatContext *s)
Definition: mxfenc.c:2090
static void klv_encode_ber4_length(AVIOContext *pb, int len)
Definition: mxfenc.c:546
static const uint8_t multiple_desc_ul[]
Definition: mxfenc.c:390
Format I/O context.
Definition: avformat.h:1349
int h_chroma_sub_sample
Definition: mxfenc.c:89
uint8_t UID[16]
Definition: mxf.h:28
UID uid
Definition: mxfenc.c:1871
int temporal_reordering
Definition: mxfenc.c:90
uint8_t slice_count
index slice count minus 1 (1 if no audio, 0 otherwise)
Definition: mxfenc.c:349
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:438
static const UID mxf_generic_sound_descriptor_key
Definition: mxfenc.c:1059
static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
Definition: mxfenc.c:525
static void mxf_write_klv_fill(AVFormatContext *s)
Definition: mxfenc.c:1592
static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
Definition: mxfenc.c:511
int timecode_base
rounded time code base (25 or 30)
Definition: mxfenc.c:357
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 int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
Definition: mxfenc.c:2447
AVOutputFormat ff_mxf_d10_muxer
Definition: mxfenc.c:2791
void avio_wl32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:374
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:1450
uint8_t
const MXFSamplesPerFrame * ff_mxf_get_samples_per_frame(AVFormatContext *s, AVRational time_base)
Definition: mxf.c:152
int width
Video only.
Definition: avcodec.h:4209
static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
Definition: mxfenc.c:1061
AVOptions.
static const UID mxf_mpeg2_codec_uls[]
Definition: mxfenc.c:1960
#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
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
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:1417
static AVFrame * frame
int avpriv_dnxhd_get_frame_size(int cid)
Definition: dnxhddata.c:1099
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:1460
uint8_t * data
Definition: avcodec.h:1672
uint64_t duration
Definition: mxfenc.c:354
int start
timecode frame start (first base frame number)
Definition: timecode.h:42
static int flags
Definition: log.c:57
uint32_t tag
Definition: movenc.c:1407
uint64_t offset
Definition: mxfenc.c:73
Definition: ismindex.c:71
ptrdiff_t size
Definition: opengl_enc.c:101
uint8_t flags
Definition: mxfenc.c:72
static void mxf_write_track(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
Definition: mxfenc.c:820
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
Definition: avio.h:556
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:1228
#define AVFMT_FLAG_BITEXACT
When muxing, try to avoid writing any random/volatile data to the output.
Definition: avformat.h:1477
AVRational audio_edit_rate
Definition: mxfenc.c:365
unsigned slice_offset
offset of audio slice
Definition: mxfenc.c:74
enum ULIndex index
Definition: mxfenc.c:144
static const uint8_t index_table_segment_key[]
Definition: mxfenc.c:379
#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:1368
int64_t bit_rate
The average bitrate of the encoded data (in bits per second).
Definition: avcodec.h:4172
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:366
AudioInterleaveContext aic
Definition: mxfenc.c:79
int local_tag
Definition: mxfenc.c:67
static const AVClass mxf_opatom_muxer_class
Definition: mxfenc.c:2768
static const uint8_t umid_ul[]
Definition: mxfenc.c:370
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:5458
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:214
#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:1567
int av_get_bits_per_sample(enum AVCodecID codec_id)
Return codec bits per sample.
Definition: utils.c:1662
static void mxf_write_system_item(AVFormatContext *s)
Definition: mxfenc.c:2294
#define EDIT_UNITS_PER_BODY
Definition: mxfenc.c:63
void(* write_desc)(AVFormatContext *, AVStream *)
Definition: mxfenc.c:100
static const uint8_t header_metadata_key[]
partial key for header metadata
Definition: mxfenc.c:389
static const uint8_t mxf_indirect_value_utf16le[]
Definition: mxfenc.c:1259
int profile
Definition: mxfenc.c:1873
av_default_item_name
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:179
static const uint8_t header_open_partition_key[]
Definition: mxfenc.c:381
static void mxf_write_preface(AVFormatContext *s)
Definition: mxfenc.c:650
#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:4139
int header_written
Definition: mxfenc.c:345
static void mxf_write_random_index_pack(AVFormatContext *s)
Definition: mxfenc.c:2551
static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1157
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:2396
GLsizei GLsizei * length
Definition: opengl_enc.c:115
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:602
GLsizei count
Definition: opengl_enc.c:109
#define MXF_COMMON_OPTIONS
Definition: mxfenc.c:2711
int color_siting
Definition: mxfenc.c:87
int order
interleaving order if dts are equal
Definition: mxfenc.c:83
static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:2364
static const uint8_t primer_pack_key[]
Definition: mxfenc.c:378
static const uint8_t system_metadata_pack_key[]
Definition: mxfenc.c:2291
static int mxf_get_essence_container_ul_index(enum AVCodecID id)
Definition: mxfenc.c:561
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:191
static void mxf_write_content_storage(AVFormatContext *s)
Definition: mxfenc.c:795
static int klv_ber_length(uint64_t len)
Definition: mxfenc.c:517
unsigned int nb_streams
Number of elements in AVFormatContext.streams.
Definition: avformat.h:1405
int block_align
Audio only.
Definition: avcodec.h:4260
int seekable
A combination of AVIO_SEEKABLE_ flags or 0 when the stream is not seekable.
Definition: avio.h:261
static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt, MXFIndexEntry *e)
Definition: mxfenc.c:1893
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:1056
#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:64
static const uint8_t op1a_ul[]
complete key for operation pattern, partitions, and primer pack
Definition: mxfenc.c:375
uint8_t interlaced
Definition: mxfenc.c:1874
static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:1709
uint64_t * body_partition_offset
Definition: mxfenc.c:351
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:533
static const AVOption mxf_options[]
Definition: mxfenc.c:2731
ULIndex
Definition: mxfenc.c:103
void avio_wb24(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:492
static const AVClass mxf_muxer_class
Definition: mxfenc.c:2738
const char * name
Definition: avformat.h:524
static int mxf_write_partition(AVFormatContext *s, int bodysid, int indexsid, const uint8_t *key, int write_metadata)
Definition: mxfenc.c:1604
static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
Definition: mxfenc.c:742
static int mxf_write_header_metadata_sets(AVFormatContext *s)
Definition: mxfenc.c:1417
AVDictionary * metadata
Definition: avformat.h:961
AVStream * timecode_track
Definition: mxfenc.c:356
static const UID mxf_aes3_descriptor_key
Definition: mxfenc.c:1057
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:2292
int edit_unit_byte_count
fixed edit unit byte count
Definition: mxfenc.c:358
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:219
#define FF_ARRAY_ELEMS(a)
Stream structure.
Definition: avformat.h:889
#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:486
uint32_t instance_number
Definition: mxfenc.c:360
static void mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
Definition: mxfenc.c:1230
static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m)
Definition: mxfenc.c:1290
int signal_standard
Definition: mxfenc.c:363
#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:596
static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1249
int frame_size
Definition: mxfenc.c:1872
int last_indexed_edit_unit
Definition: mxfenc.c:350
static const AVClass mxf_d10_muxer_class
Definition: mxfenc.c:2754
static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt, MXFIndexEntry *e)
Definition: mxfenc.c:1993
const UID * codec_ul
Definition: mxfenc.c:82
Timecode helpers header.
AVIOContext * pb
I/O context.
Definition: avformat.h:1391
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:617
static void mxf_write_essence_container_refs(AVFormatContext *s)
Definition: mxfenc.c:633
static unsigned int seed
Definition: videogen.c:78
static const UID * mxf_get_mpeg2_codec_ul(AVCodecParameters *par)
Definition: mxfenc.c:1973
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:92
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:348
#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:91
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:396
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:75
static uint64_t mxf_utf16len(const char *utf8_str)
Definition: mxfenc.c:701
static void mxf_write_primer_pack(AVFormatContext *s)
Definition: mxfenc.c:570
int avio_put_str16le(AVIOContext *s, const char *str)
Convert an UTF-8 string to UTF-16LE and write it.
MXFIndexEntry * index_entries
Definition: mxfenc.c:346
AVRational time_base
Definition: mxfenc.c:344
AVClass * av_class
Definition: mxfenc.c:341
Definition: mxf.h:67
int video_bit_rate
Definition: mxfenc.c:93
static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
Definition: mxfenc.c:920
static const uint8_t uuid_base[]
Definition: mxfenc.c:369
int channel_count
Definition: mxfenc.c:362
Definition: mxf.h:48
#define LIBAVFORMAT_VERSION
Definition: version.h:41
void avio_wb16(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:480
static const MXFContainerEssenceEntry mxf_essence_container_uls[]
Definition: mxfenc.c:162
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:489
static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
Definition: mxfenc.c:2641
int sample_rate
Audio only.
Definition: avcodec.h:4253
static const struct @223 mxf_essence_mappings[]
int64_t footer_partition_offset
Definition: mxfenc.c:342
static const uint8_t smpte_12m_timecode_track_data_ul[]
Definition: mxfenc.c:866
Main libavformat public API header.
static void mxf_write_identification(AVFormatContext *s)
Definition: mxfenc.c:755
void ff_audio_interleave_close(AVFormatContext *s)
Definition: mxf.h:37
static int mxf_compare_timestamps(AVFormatContext *s, AVPacket *next, AVPacket *pkt)
Definition: mxfenc.c:2696
static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type, const char *package_name)
Definition: mxfenc.c:1308
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:377
static int mxf_write_essence_container_data(AVFormatContext *s)
Definition: mxfenc.c:1395
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:4203
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:618
int field_dominance
tff=1, bff=2
Definition: mxfenc.c:85
static const AVOption d10_options[]
Definition: mxfenc.c:2745
struct AVPacketList * packet_buffer_end
Definition: internal.h:79
int last_key_index
index of last key frame
Definition: mxfenc.c:353
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:1185
void * priv_data
Format private data.
Definition: avformat.h:1377
static void mxf_gen_umid(AVFormatContext *s)
Definition: mxfenc.c:2065
static void write_header(FFV1Context *f)
Definition: ffv1enc.c:337
uint8_t umid[16]
unique material identifier
Definition: mxfenc.c:361
static void mxf_write_multi_descriptor(AVFormatContext *s)
Definition: mxfenc.c:984
static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1244
int channels
Audio only.
Definition: avcodec.h:4249
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
Definition: avcodec.h:1671
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:382
FILE * out
Definition: movenc.c:54
#define av_freep(p)
static const AVOption opatom_options[]
Definition: mxfenc.c:2761
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:347
uint32_t av_get_random_seed(void)
Get a seed to use in conjunction with random functions.
Definition: random_seed.c:120
static void mxf_write_sequence(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
Definition: mxfenc.c:892
MPEG-1 4:2:0, JPEG 4:2:0, H.263 4:2:0.
Definition: pixfmt.h:532
AVCodecParameters * codecpar
Definition: avformat.h:1252
UID uid
Definition: mxf.h:68
int stream_index
Definition: avcodec.h:1674
static const uint8_t opatom_ul[]
Definition: mxfenc.c:376
#define DESCRIPTOR_COUNT(essence_container_count)
Definition: mxfenc.c:630
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avformat.h:926
int depth
Number of bits in the component.
Definition: pixdesc.h:58
static int mxf_write_opatom_packet(AVFormatContext *s, AVPacket *pkt, MXFIndexEntry *ie)
Definition: mxfenc.c:2417
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:1162
static void mxf_write_umid(AVFormatContext *s, int type)
Definition: mxfenc.c:502
This structure stores compressed data.
Definition: avcodec.h:1649
static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:1794
int essence_container_count
Definition: mxfenc.c:343
static int mxf_write_tagged_value(AVFormatContext *s, const char *name, const char *value)
Definition: mxfenc.c:1261
static const uint8_t random_index_pack_key[]
Definition: mxfenc.c:380
static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1254
static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
Definition: mxfenc.c:2705
struct AVPacketList * last_in_packet_buffer
last packet in packet_buffer for this stream when muxing.
Definition: avformat.h:1087
AVTimecode tc
timecode context
Definition: mxfenc.c:355
static int mxf_write_footer(AVFormatContext *s)
Definition: mxfenc.c:2578
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:2806