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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 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 static const struct {
104  enum AVCodecID id;
105  int index;
106 } mxf_essence_mappings[] = {
107  { AV_CODEC_ID_MPEG2VIDEO, 0 },
108  { AV_CODEC_ID_PCM_S24LE, 1 },
109  { AV_CODEC_ID_PCM_S16LE, 1 },
110  { AV_CODEC_ID_DVVIDEO, 15 },
111  { AV_CODEC_ID_DNXHD, 24 },
112  { AV_CODEC_ID_JPEG2000, 34 },
113  { AV_CODEC_ID_H264, 35 },
114  { AV_CODEC_ID_NONE }
115 };
116 
117 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
118 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
120 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
122 
124  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
125  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
126  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
128  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
129  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
130  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
132  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
133  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
134  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
136  // D-10 625/50 PAL 50mb/s
137  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
138  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
139  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
141  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
142  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
143  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
145  // D-10 525/60 NTSC 50mb/s
146  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
147  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
148  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 },
150  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
151  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
152  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
154  // D-10 625/50 PAL 40mb/s
155  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
156  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
157  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 },
159  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
160  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
161  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
163  // D-10 525/60 NTSC 40mb/s
164  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
165  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
166  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 },
168  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
169  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
170  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
172  // D-10 625/50 PAL 30mb/s
173  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
174  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
175  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 },
177  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
178  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
179  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
181  // D-10 525/60 NTSC 30mb/s
182  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
183  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
184  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 },
186  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
187  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
188  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
190  // DV Unknown
191  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
192  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
193  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
195  // DV25 525/60
196  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 },
197  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
198  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
200  // DV25 625/50
201  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 },
202  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
203  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 },
205  // DV50 525/60
206  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 },
207  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
208  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 },
210  // DV50 625/50
211  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 },
212  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
213  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 },
215  // DV100 1080/60
216  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 },
217  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
218  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 },
220  // DV100 1080/50
221  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 },
222  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
223  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 },
225  // DV100 720/60
226  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 },
227  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
228  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 },
230  // DV100 720/50
231  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 },
232  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
233  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 },
235  // DNxHD 1080p 10bit high
236  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
237  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
238  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
240  // DNxHD 1080p 8bit medium
241  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
242  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
243  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 },
245  // DNxHD 1080p 8bit high
246  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
247  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
248  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 },
250  // DNxHD 1080i 10bit high
251  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
252  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
253  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 },
255  // DNxHD 1080i 8bit medium
256  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
257  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
258  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 },
260  // DNxHD 1080i 8bit high
261  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
262  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
263  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 },
265  // DNxHD 720p 10bit
266  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
267  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
268  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 },
270  // DNxHD 720p 8bit high
271  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
272  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
273  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 },
275  // DNxHD 720p 8bit medium
276  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
277  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
278  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 },
280  // DNxHD 720p 8bit low
281  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
282  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
283  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 },
285  // JPEG2000
286  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
287  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
288  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 },
290  // H.264
291  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 },
292  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
293  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
295  { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
296  { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
297  { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
298  NULL },
299 };
300 
301 typedef struct MXFContext {
309  uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
310  uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
314  int last_key_index; ///< index of last key frame
315  uint64_t duration;
316  AVTimecode tc; ///< timecode context
318  int timecode_base; ///< rounded time code base (25 or 30)
319  int edit_unit_byte_count; ///< fixed edit unit byte count
320  uint64_t body_offset;
321  uint32_t instance_number;
322  uint8_t umid[16]; ///< unique material identifier
328 } MXFContext;
329 
330 static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
331 static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
332 
333 /**
334  * complete key for operation pattern, partitions, and primer pack
335  */
336 static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
337 static const uint8_t opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 };
338 static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
339 static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
340 static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
341 static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
342 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
343 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
344 static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
345 static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
346 
347 /**
348  * partial key for header metadata
349  */
350 static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
351 static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
352 
353 /**
354  * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
355  */
357  // preface set
358  { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
359  { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
360  { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
361  { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
362  { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
363  { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
364  { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
365  { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
366  // Identification
367  { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
368  { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
369  { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
370  { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
371  { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
372  { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
373  // Content Storage
374  { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
375  { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
376  // Essence Container Data
377  { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
378  { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
379  // Package
380  { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
381  { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
382  { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
383  { 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */
384  { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
385  { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
386  // Track
387  { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
388  { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
389  { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
390  { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
391  { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
392  // Sequence
393  { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
394  { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
395  { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
396  // Source Clip
397  { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
398  { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
399  { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
400  // Timecode Component
401  { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
402  { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
403  { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
404  // File Descriptor
405  { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
406  { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
407  { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
408  { 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */
409  { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
410  // Generic Picture Essence Descriptor
411  { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
412  { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
413  { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
414  { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
415  { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
416  { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
417  { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */
418  { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
419  { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
420  { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
421  { 0x3215, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x05,0x01,0x13,0x00,0x00,0x00,0x00}}, /* Signal Standard */
422  // CDCI Picture Essence Descriptor
423  { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
424  { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
425  { 0x3303, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x06,0x00,0x00,0x00}}, /* Color Siting */
426  // Generic Sound Essence Descriptor
427  { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
428  { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
429  { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
430  { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
431  { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
432  // Index Table Segment
433  { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
434  { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
435  { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
436  { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
437  { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
438  { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
439  { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
440  { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
441  // MPEG video Descriptor
442  { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
443  { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
444  // Wave Audio Essence Descriptor
445  { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
446  { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
447 };
448 
450  { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */
451  { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */
452  { 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */
453 };
454 
456 {
457  avio_write(pb, uuid_base, 12);
458  avio_wb16(pb, type);
459  avio_wb16(pb, value);
460 }
461 
463 {
464  MXFContext *mxf = s->priv_data;
465  avio_write(s->pb, umid_ul, 13);
466  avio_wb24(s->pb, mxf->instance_number);
467  avio_write(s->pb, mxf->umid, 15);
468  avio_w8(s->pb, type);
469 }
470 
471 static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
472 {
473  avio_wb32(pb, ref_count);
474  avio_wb32(pb, 16);
475 }
476 
477 static int klv_ber_length(uint64_t len)
478 {
479  if (len < 128)
480  return 1;
481  else
482  return (av_log2(len) >> 3) + 2;
483 }
484 
485 static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
486 {
487  // Determine the best BER size
488  int size;
489  if (len < 128) {
490  //short form
491  avio_w8(pb, len);
492  return 1;
493  }
494 
495  size = (av_log2(len) >> 3) + 1;
496 
497  // long form
498  avio_w8(pb, 0x80 + size);
499  while(size) {
500  size--;
501  avio_w8(pb, len >> 8 * size & 0xff);
502  }
503  return 0;
504 }
505 
507 {
508  avio_w8(pb, 0x80 + 3);
509  avio_wb24(pb, len);
510 }
511 
512 static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
513 {
514  avio_w8(pb, 0x80 + 8);
515  avio_wb64(pb, len);
516 }
517 
518 /*
519  * Get essence container ul index
520  */
522 {
523  int i;
524  for (i = 0; mxf_essence_mappings[i].id; i++)
525  if (mxf_essence_mappings[i].id == id)
526  return mxf_essence_mappings[i].index;
527  return -1;
528 }
529 
531 {
532  MXFContext *mxf = s->priv_data;
533  AVIOContext *pb = s->pb;
534  int local_tag_number, i = 0;
535 
536  local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch);
537  local_tag_number += mxf->store_user_comments * FF_ARRAY_ELEMS(mxf_user_comments_local_tag);
538 
539  avio_write(pb, primer_pack_key, 16);
540  klv_encode_ber_length(pb, local_tag_number * 18 + 8);
541 
542  avio_wb32(pb, local_tag_number); // local_tag num
543  avio_wb32(pb, 18); // item size, always 18 according to the specs
544 
545  for (i = 0; i < FF_ARRAY_ELEMS(mxf_local_tag_batch); i++) {
546  avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
547  avio_write(pb, mxf_local_tag_batch[i].uid, 16);
548  }
549  if (mxf->store_user_comments)
550  for (i = 0; i < FF_ARRAY_ELEMS(mxf_user_comments_local_tag); i++) {
551  avio_wb16(pb, mxf_user_comments_local_tag[i].local_tag);
552  avio_write(pb, mxf_user_comments_local_tag[i].uid, 16);
553  }
554 }
555 
556 static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
557 {
558  avio_wb16(pb, tag);
559  avio_wb16(pb, size);
560 }
561 
562 static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
563 {
565  avio_wb24(pb, value);
566 }
567 
569 {
570  int i;
571 
572  for (i = 0; i < s->nb_streams; i++) {
573  AVStream *st = s->streams[i];
574  av_freep(&st->priv_data);
575  }
576 }
577 
579 {
581  while (uls->uid[0]) {
582  if (type == uls->id)
583  break;
584  uls++;
585  }
586  return uls;
587 }
588 
589 //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
590 #define DESCRIPTOR_COUNT(essence_container_count) \
591  (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
592 
594 {
595  MXFContext *c = s->priv_data;
596  AVIOContext *pb = s->pb;
597  int i;
598 
600  av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
601  for (i = 0; i < c->essence_container_count; i++) {
602  MXFStreamContext *sc = s->streams[i]->priv_data;
603  avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
604  }
605 
606  if (c->essence_container_count > 1)
607  avio_write(pb, multiple_desc_ul, 16);
608 }
609 
611 {
612  MXFContext *mxf = s->priv_data;
613  AVIOContext *pb = s->pb;
614 
615  mxf_write_metadata_key(pb, 0x012f00);
616  PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
618 
619  // write preface set uid
620  mxf_write_local_tag(pb, 16, 0x3C0A);
621  mxf_write_uuid(pb, Preface, 0);
622  PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
623 
624  // last modified date
625  mxf_write_local_tag(pb, 8, 0x3B02);
626  avio_wb64(pb, mxf->timestamp);
627 
628  // write version
629  mxf_write_local_tag(pb, 2, 0x3B05);
630  avio_wb16(pb, 258); // v1.2
631 
632  // write identification_refs
633  mxf_write_local_tag(pb, 16 + 8, 0x3B06);
634  mxf_write_refs_count(pb, 1);
636 
637  // write content_storage_refs
638  mxf_write_local_tag(pb, 16, 0x3B03);
640 
641  // operational pattern
642  mxf_write_local_tag(pb, 16, 0x3B09);
643  if (s->oformat == &ff_mxf_opatom_muxer)
644  avio_write(pb, opatom_ul, 16);
645  else
646  avio_write(pb, op1a_ul, 16);
647 
648  // write essence_container_refs
649  mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A);
651 
652  // write dm_scheme_refs
653  mxf_write_local_tag(pb, 8, 0x3B0B);
654  avio_wb64(pb, 0);
655 }
656 
657 /*
658  * Returns the length of the UTF-16 string, in 16-bit characters, that would result
659  * from decoding the utf-8 string.
660  */
661 static uint64_t mxf_utf16len(const char *utf8_str)
662 {
663  const uint8_t *q = utf8_str;
664  uint64_t size = 0;
665  while (*q) {
666  uint32_t ch;
667  GET_UTF8(ch, *q++, goto invalid;)
668  if (ch < 0x10000)
669  size++;
670  else
671  size += 2;
672  continue;
673 invalid:
674  av_log(NULL, AV_LOG_ERROR, "Invalid UTF8 sequence in mxf_utf16len\n\n");
675  }
676  size += 1;
677  return size;
678 }
679 
680 /*
681  * Returns the calculated length a local tag containing an utf-8 string as utf-16
682  */
683 static int mxf_utf16_local_tag_length(const char *utf8_str)
684 {
685  uint64_t size;
686 
687  if (!utf8_str)
688  return 0;
689 
690  size = mxf_utf16len(utf8_str);
691  if (size >= UINT16_MAX/2) {
692  av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
693  return 0;
694  }
695 
696  return 4 + size * 2;
697 }
698 
699 /*
700  * Write a local tag containing an utf-8 string as utf-16
701  */
702 static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
703 {
704  uint64_t size = mxf_utf16len(value);
705 
706  if (size >= UINT16_MAX/2) {
707  av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
708  return;
709  }
710 
711  mxf_write_local_tag(pb, size*2, tag);
712  avio_put_str16be(pb, value);
713 }
714 
716 {
717  MXFContext *mxf = s->priv_data;
718  AVIOContext *pb = s->pb;
719  const char *company = "FFmpeg";
720  const char *product = s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer";
721  const char *version;
722  int length;
723 
724  mxf_write_metadata_key(pb, 0x013000);
725  PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
726 
727  version = s->flags & AVFMT_FLAG_BITEXACT ?
729  length = 72 + mxf_utf16_local_tag_length(company) +
730  mxf_utf16_local_tag_length(product) +
732  klv_encode_ber_length(pb, length);
733 
734  // write uid
735  mxf_write_local_tag(pb, 16, 0x3C0A);
737  PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
738 
739  // write generation uid
740  mxf_write_local_tag(pb, 16, 0x3C09);
742  mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
743  mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
744  mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
745 
746  // write product uid
747  mxf_write_local_tag(pb, 16, 0x3C05);
749 
750  // modification date
751  mxf_write_local_tag(pb, 8, 0x3C06);
752  avio_wb64(pb, mxf->timestamp);
753 }
754 
756 {
757  AVIOContext *pb = s->pb;
758 
759  mxf_write_metadata_key(pb, 0x011800);
760  PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
761  klv_encode_ber_length(pb, 92);
762 
763  // write uid
764  mxf_write_local_tag(pb, 16, 0x3C0A);
766  PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
767 
768  // write package reference
769  mxf_write_local_tag(pb, 16 * 2 + 8, 0x1901);
770  mxf_write_refs_count(pb, 2);
773 
774  // write essence container data
775  mxf_write_local_tag(pb, 8 + 16, 0x1902);
776  mxf_write_refs_count(pb, 1);
778 }
779 
781 {
782  MXFContext *mxf = s->priv_data;
783  AVIOContext *pb = s->pb;
784  MXFStreamContext *sc = st->priv_data;
785 
786  mxf_write_metadata_key(pb, 0x013b00);
787  PRINT_KEY(s, "track key", pb->buf_ptr - 16);
788  klv_encode_ber_length(pb, 80);
789 
790  // write track uid
791  mxf_write_local_tag(pb, 16, 0x3C0A);
792  mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, st->index);
793  PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
794 
795  // write track id
796  mxf_write_local_tag(pb, 4, 0x4801);
797  avio_wb32(pb, st->index+2);
798 
799  // write track number
800  mxf_write_local_tag(pb, 4, 0x4804);
801  if (type == MaterialPackage)
802  avio_wb32(pb, 0); // track number of material package is 0
803  else
804  avio_write(pb, sc->track_essence_element_key + 12, 4);
805 
806  mxf_write_local_tag(pb, 8, 0x4B01);
807 
808  if (st == mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer){
809  avio_wb32(pb, mxf->tc.rate.num);
810  avio_wb32(pb, mxf->tc.rate.den);
811  } else {
812  avio_wb32(pb, mxf->time_base.den);
813  avio_wb32(pb, mxf->time_base.num);
814  }
815 
816  // write origin
817  mxf_write_local_tag(pb, 8, 0x4B02);
818  avio_wb64(pb, 0);
819 
820  // write sequence refs
821  mxf_write_local_tag(pb, 16, 0x4803);
823 }
824 
825 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 };
826 
828 {
829  MXFContext *mxf = s->priv_data;
830  AVIOContext *pb = s->pb;
831 
832  // find data define uls
833  mxf_write_local_tag(pb, 16, 0x0201);
834  if (st == mxf->timecode_track)
836  else {
837  const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codecpar->codec_type);
838  avio_write(pb, data_def_ul->uid, 16);
839  }
840 
841  // write duration
842  mxf_write_local_tag(pb, 8, 0x0202);
843 
844  if (st != mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer && st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO){
845  avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
846  } else {
847  avio_wb64(pb, mxf->duration);
848  }
849 }
850 
852 {
853  MXFContext *mxf = s->priv_data;
854  AVIOContext *pb = s->pb;
855  enum MXFMetadataSetType component;
856 
857  mxf_write_metadata_key(pb, 0x010f00);
858  PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
859  klv_encode_ber_length(pb, 80);
860 
861  mxf_write_local_tag(pb, 16, 0x3C0A);
863 
864  PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
866 
867  // write structural component
868  mxf_write_local_tag(pb, 16 + 8, 0x1001);
869  mxf_write_refs_count(pb, 1);
870  if (st == mxf->timecode_track)
871  component = TimecodeComponent;
872  else
873  component = SourceClip;
874  if (type == SourcePackage)
875  component += TypeBottom;
876  mxf_write_uuid(pb, component, st->index);
877 }
878 
880 {
881  MXFContext *mxf = s->priv_data;
882  AVIOContext *pb = s->pb;
883 
884  mxf_write_metadata_key(pb, 0x011400);
885  klv_encode_ber_length(pb, 75);
886 
887  // UID
888  mxf_write_local_tag(pb, 16, 0x3C0A);
891 
893 
894  // Start Time Code
895  mxf_write_local_tag(pb, 8, 0x1501);
896  avio_wb64(pb, mxf->tc.start);
897 
898  // Rounded Time Code Base
899  mxf_write_local_tag(pb, 2, 0x1502);
900  avio_wb16(pb, mxf->timecode_base);
901 
902  // Drop Frame
903  mxf_write_local_tag(pb, 1, 0x1503);
904  avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
905 }
906 
908 {
909  AVIOContext *pb = s->pb;
910  int i;
911 
912  mxf_write_metadata_key(pb, 0x011100);
913  PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
914  klv_encode_ber_length(pb, 108);
915 
916  // write uid
917  mxf_write_local_tag(pb, 16, 0x3C0A);
919 
920  PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
922 
923  // write start_position
924  mxf_write_local_tag(pb, 8, 0x1201);
925  avio_wb64(pb, 0);
926 
927  // write source package uid, end of the reference
928  mxf_write_local_tag(pb, 32, 0x1101);
929  if (type == SourcePackage) {
930  for (i = 0; i < 4; i++)
931  avio_wb64(pb, 0);
932  } else
933  mxf_write_umid(s, 1);
934 
935  // write source track id
936  mxf_write_local_tag(pb, 4, 0x1102);
937  if (type == SourcePackage)
938  avio_wb32(pb, 0);
939  else
940  avio_wb32(pb, st->index+2);
941 }
942 
944 {
945  MXFContext *mxf = s->priv_data;
946  AVIOContext *pb = s->pb;
947  const uint8_t *ul;
948  int i;
949 
950  mxf_write_metadata_key(pb, 0x014400);
951  PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
952  klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
953 
954  mxf_write_local_tag(pb, 16, 0x3C0A);
956  PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
957 
958  // write sample rate
959  mxf_write_local_tag(pb, 8, 0x3001);
960  avio_wb32(pb, mxf->time_base.den);
961  avio_wb32(pb, mxf->time_base.num);
962 
963  // write essence container ul
964  mxf_write_local_tag(pb, 16, 0x3004);
965  if (mxf->essence_container_count > 1)
966  ul = multiple_desc_ul;
967  else {
968  MXFStreamContext *sc = s->streams[0]->priv_data;
969  ul = mxf_essence_container_uls[sc->index].container_ul;
970  }
971  avio_write(pb, ul, 16);
972 
973  // write sub descriptor refs
974  mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01);
976  for (i = 0; i < s->nb_streams; i++)
978 }
979 
980 static void mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
981 {
982  MXFContext *mxf = s->priv_data;
983  MXFStreamContext *sc = st->priv_data;
984  AVIOContext *pb = s->pb;
985 
986  avio_write(pb, key, 16);
987  klv_encode_ber4_length(pb, size+20+8+12+20);
988 
989  mxf_write_local_tag(pb, 16, 0x3C0A);
991 
992  mxf_write_local_tag(pb, 4, 0x3006);
993  avio_wb32(pb, st->index+2);
994 
995  mxf_write_local_tag(pb, 8, 0x3001);
996  avio_wb32(pb, mxf->time_base.den);
997  avio_wb32(pb, mxf->time_base.num);
998 
999  mxf_write_local_tag(pb, 16, 0x3004);
1000  avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
1001 }
1002 
1003 static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
1004 static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
1005 static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
1006 static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
1007 static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
1008 
1009 static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1010 {
1011  MXFStreamContext *sc = st->priv_data;
1012  AVIOContext *pb = s->pb;
1013  int stored_height = (st->codecpar->height+15)/16*16;
1014  int display_height;
1015  int f1, f2;
1016  unsigned desc_size = size+8+8+8+8+8+8+8+5+16+4+12+20+5;
1017  if (sc->interlaced && sc->field_dominance)
1018  desc_size += 5;
1019  if (sc->signal_standard)
1020  desc_size += 5;
1021 
1022  mxf_write_generic_desc(s, st, key, desc_size);
1023 
1024  mxf_write_local_tag(pb, 4, 0x3203);
1025  avio_wb32(pb, st->codecpar->width);
1026 
1027  mxf_write_local_tag(pb, 4, 0x3202);
1028  avio_wb32(pb, stored_height>>sc->interlaced);
1029 
1030  mxf_write_local_tag(pb, 4, 0x3209);
1031  avio_wb32(pb, st->codecpar->width);
1032 
1033  if (st->codecpar->height == 608) // PAL + VBI
1034  display_height = 576;
1035  else if (st->codecpar->height == 512) // NTSC + VBI
1036  display_height = 486;
1037  else
1038  display_height = st->codecpar->height;
1039 
1040  mxf_write_local_tag(pb, 4, 0x3208);
1041  avio_wb32(pb, display_height>>sc->interlaced);
1042 
1043  // presentation Y offset
1044  mxf_write_local_tag(pb, 4, 0x320B);
1045  avio_wb32(pb, (st->codecpar->height - display_height)>>sc->interlaced);
1046 
1047  // component depth
1048  mxf_write_local_tag(pb, 4, 0x3301);
1049  avio_wb32(pb, sc->component_depth);
1050 
1051  // horizontal subsampling
1052  mxf_write_local_tag(pb, 4, 0x3302);
1053  avio_wb32(pb, sc->h_chroma_sub_sample);
1054 
1055  // color siting
1056  mxf_write_local_tag(pb, 1, 0x3303);
1057  avio_w8(pb, sc->color_siting);
1058 
1059  if (sc->signal_standard) {
1060  mxf_write_local_tag(pb, 1, 0x3215);
1061  avio_w8(pb, sc->signal_standard);
1062  }
1063 
1064  // frame layout
1065  mxf_write_local_tag(pb, 1, 0x320C);
1066  avio_w8(pb, sc->interlaced);
1067 
1068  // video line map
1069  switch (st->codecpar->height) {
1070  case 576: f1 = 23; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break;
1071  case 608: f1 = 7; f2 = 320; break;
1072  case 480: f1 = 20; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
1073  case 512: f1 = 7; f2 = 270; break;
1074  case 720: f1 = 26; f2 = 0; break; // progressive
1075  case 1080: f1 = 21; f2 = 584; break;
1076  default: f1 = 0; f2 = 0; break;
1077  }
1078 
1079  if (!sc->interlaced) {
1080  f2 = 0;
1081  f1 *= 2;
1082  }
1083 
1084 
1085  mxf_write_local_tag(pb, 16, 0x320D);
1086  avio_wb32(pb, 2);
1087  avio_wb32(pb, 4);
1088  avio_wb32(pb, f1);
1089  avio_wb32(pb, f2);
1090 
1091  mxf_write_local_tag(pb, 8, 0x320E);
1092  avio_wb32(pb, sc->aspect_ratio.num);
1093  avio_wb32(pb, sc->aspect_ratio.den);
1094 
1095  mxf_write_local_tag(pb, 16, 0x3201);
1096  avio_write(pb, *sc->codec_ul, 16);
1097 
1098  if (sc->interlaced && sc->field_dominance) {
1099  mxf_write_local_tag(pb, 1, 0x3212);
1100  avio_w8(pb, sc->field_dominance);
1101  }
1102 
1103 }
1104 
1106 {
1108 }
1109 
1111 {
1112  AVIOContext *pb = s->pb;
1113  MXFStreamContext *sc = st->priv_data;
1114  int profile_and_level = (st->codecpar->profile<<4) | st->codecpar->level;
1115 
1116  if (st->codecpar->codec_id != AV_CODEC_ID_H264) {
1118 
1119  // bit rate
1120  mxf_write_local_tag(pb, 4, 0x8000);
1121  avio_wb32(pb, sc->video_bit_rate);
1122 
1123  // profile and level
1124  mxf_write_local_tag(pb, 1, 0x8007);
1125  if (!st->codecpar->profile)
1126  profile_and_level |= 0x80; // escape bit
1127  avio_w8(pb, profile_and_level);
1128  } else {
1130  }
1131 }
1132 
1133 static void mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1134 {
1135  AVIOContext *pb = s->pb;
1136  MXFContext *mxf = s->priv_data;
1137  int show_warnings = !mxf->footer_partition_offset;
1138  int duration_size = 0;
1139 
1140  if (s->oformat == &ff_mxf_opatom_muxer)
1141  duration_size = 12;
1142 
1143  mxf_write_generic_desc(s, st, key, size+duration_size+5+12+8+8);
1144 
1145  if (duration_size > 0){
1146  mxf_write_local_tag(pb, 8, 0x3002);
1147  avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
1148  }
1149 
1150  // audio locked
1151  mxf_write_local_tag(pb, 1, 0x3D02);
1152  avio_w8(pb, 1);
1153 
1154  // write audio sampling rate
1155  mxf_write_local_tag(pb, 8, 0x3D03);
1156  avio_wb32(pb, st->codecpar->sample_rate);
1157  avio_wb32(pb, 1);
1158 
1159  mxf_write_local_tag(pb, 4, 0x3D07);
1160  if (mxf->channel_count == -1) {
1161  if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codecpar->channels != 4) && (st->codecpar->channels != 8))
1162  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");
1163  avio_wb32(pb, st->codecpar->channels);
1164  } else if (s->oformat == &ff_mxf_d10_muxer) {
1165  if (show_warnings && (mxf->channel_count < st->codecpar->channels))
1166  av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1167  if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1168  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");
1169  avio_wb32(pb, mxf->channel_count);
1170  } else {
1171  if (show_warnings && mxf->channel_count != -1 && s->oformat != &ff_mxf_opatom_muxer)
1172  av_log(s, AV_LOG_ERROR, "-d10_channelcount requires MXF D-10 and will be ignored\n");
1173  avio_wb32(pb, st->codecpar->channels);
1174  }
1175 
1176  mxf_write_local_tag(pb, 4, 0x3D01);
1178 }
1179 
1180 static void mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1181 {
1182  AVIOContext *pb = s->pb;
1183 
1184  mxf_write_generic_sound_common(s, st, key, size+6+8);
1185 
1186  mxf_write_local_tag(pb, 2, 0x3D0A);
1187  avio_wb16(pb, st->codecpar->block_align);
1188 
1189  // avg bytes per sec
1190  mxf_write_local_tag(pb, 4, 0x3D09);
1192 }
1193 
1195 {
1197 }
1198 
1200 {
1202 }
1203 
1205 {
1207 }
1208 
1209 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 };
1210 
1211 static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value)
1212 {
1213  MXFContext *mxf = s->priv_data;
1214  AVIOContext *pb = s->pb;
1215  int name_size = mxf_utf16_local_tag_length(name);
1216  int indirect_value_size = 13 + mxf_utf16_local_tag_length(value);
1217 
1218  if (!name_size || indirect_value_size == 13)
1219  return 1;
1220 
1221  mxf_write_metadata_key(pb, 0x013f00);
1222  klv_encode_ber_length(pb, 24 + name_size + indirect_value_size);
1223 
1224  // write instance UID
1225  mxf_write_local_tag(pb, 16, 0x3C0A);
1227 
1228  // write name
1229  mxf_write_local_tag_utf16(pb, 0x5001, name); // Name
1230 
1231  // write indirect value
1232  mxf_write_local_tag(pb, indirect_value_size, 0x5003);
1234  avio_put_str16le(pb, value);
1235 
1236  mxf->tagged_value_count++;
1237  return 0;
1238 }
1239 
1241 {
1242  MXFContext *mxf = s->priv_data;
1243  AVDictionaryEntry *t = NULL;
1244  int count = 0;
1245 
1246  while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) {
1247  if (mxf->tagged_value_count >= UINT16_MAX) {
1248  av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n");
1249  return count;
1250  }
1251 
1252  if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0)
1253  count++;
1254  }
1255  return count;
1256 }
1257 
1258 static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type, const char *package_name)
1259 {
1260  MXFContext *mxf = s->priv_data;
1261  AVIOContext *pb = s->pb;
1262  int i, track_count = s->nb_streams+1;
1263  int name_size = mxf_utf16_local_tag_length(package_name);
1264  int user_comment_count = 0;
1265 
1266  if (type == MaterialPackage) {
1267  if (mxf->store_user_comments)
1268  user_comment_count = mxf_write_user_comments(s, s->metadata);
1269  mxf_write_metadata_key(pb, 0x013600);
1270  PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1271  klv_encode_ber_length(pb, 92 + name_size + (16*track_count) + (16*user_comment_count) + 12LL*mxf->store_user_comments);
1272  } else {
1273  mxf_write_metadata_key(pb, 0x013700);
1274  PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1275  klv_encode_ber_length(pb, 112 + name_size + (16*track_count) + 12LL*mxf->store_user_comments); // 20 bytes length for descriptor reference
1276  }
1277 
1278  // write uid
1279  mxf_write_local_tag(pb, 16, 0x3C0A);
1280  mxf_write_uuid(pb, type, 0);
1281  av_log(s,AV_LOG_DEBUG, "package type:%d\n", type);
1282  PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1283 
1284  // write package umid
1285  mxf_write_local_tag(pb, 32, 0x4401);
1286  mxf_write_umid(s, type == SourcePackage);
1287  PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1288 
1289  // package name
1290  if (name_size)
1291  mxf_write_local_tag_utf16(pb, 0x4402, package_name);
1292 
1293  // package creation date
1294  mxf_write_local_tag(pb, 8, 0x4405);
1295  avio_wb64(pb, mxf->timestamp);
1296 
1297  // package modified date
1298  mxf_write_local_tag(pb, 8, 0x4404);
1299  avio_wb64(pb, mxf->timestamp);
1300 
1301  // write track refs
1302  mxf_write_local_tag(pb, track_count*16 + 8, 0x4403);
1303  mxf_write_refs_count(pb, track_count);
1304  mxf_write_uuid(pb, type == MaterialPackage ? Track :
1305  Track + TypeBottom, -1); // timecode track
1306  for (i = 0; i < s->nb_streams; i++)
1307  mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, i);
1308 
1309  // write user comment refs
1310  if (mxf->store_user_comments) {
1311  mxf_write_local_tag(pb, user_comment_count*16 + 8, 0x4406);
1312  mxf_write_refs_count(pb, user_comment_count);
1313  for (i = 0; i < user_comment_count; i++)
1314  mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i);
1315  }
1316 
1317  // write multiple descriptor reference
1318  if (type == SourcePackage) {
1319  mxf_write_local_tag(pb, 16, 0x4701);
1320  if (s->nb_streams > 1) {
1323  } else
1324  mxf_write_uuid(pb, SubDescriptor, 0);
1325  }
1326 
1327  // write timecode track
1328  mxf_write_track(s, mxf->timecode_track, type);
1329  mxf_write_sequence(s, mxf->timecode_track, type);
1331 
1332  for (i = 0; i < s->nb_streams; i++) {
1333  AVStream *st = s->streams[i];
1334  mxf_write_track(s, st, type);
1335  mxf_write_sequence(s, st, type);
1336  mxf_write_structural_component(s, st, type);
1337 
1338  if (type == SourcePackage) {
1339  MXFStreamContext *sc = st->priv_data;
1340  mxf_essence_container_uls[sc->index].write_desc(s, st);
1341  }
1342  }
1343 }
1344 
1346 {
1347  AVIOContext *pb = s->pb;
1348 
1349  mxf_write_metadata_key(pb, 0x012300);
1350  klv_encode_ber_length(pb, 72);
1351 
1352  mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID
1354 
1355  mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID
1356  mxf_write_umid(s, 1);
1357 
1358  mxf_write_local_tag(pb, 4, 0x3F07); // BodySID
1359  avio_wb32(pb, 1);
1360 
1361  mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID
1362  avio_wb32(pb, 2);
1363 
1364  return 0;
1365 }
1366 
1368 {
1369  const char *material_package_name = NULL;
1370  const char *file_package_name = NULL;
1371  AVDictionaryEntry *entry = NULL;
1372  AVStream *st = NULL;
1373  int i;
1374 
1375  if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0))
1376  material_package_name = entry->value;
1377 
1378  if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) {
1379  file_package_name = entry->value;
1380  } else {
1381  /* check if any of the streams contain a file_package_name */
1382  for (i = 0; i < s->nb_streams; i++) {
1383  st = s->streams[i];
1384  if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) {
1385  file_package_name = entry->value;
1386  break;
1387  }
1388  }
1389  }
1390 
1391  mxf_write_preface(s);
1394  mxf_write_package(s, MaterialPackage, material_package_name);
1395  mxf_write_package(s, SourcePackage, file_package_name);
1397  return 0;
1398 }
1399 
1400 static unsigned klv_fill_size(uint64_t size)
1401 {
1402  unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1403  if (pad < 20) // smallest fill item possible
1404  return pad + KAG_SIZE;
1405  else
1406  return pad & (KAG_SIZE-1);
1407 }
1408 
1410 {
1411  MXFContext *mxf = s->priv_data;
1412  AVIOContext *pb = s->pb;
1413  int i, j, temporal_reordering = 0;
1414  int key_index = mxf->last_key_index;
1415 
1416  av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1417 
1418  if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1419  return;
1420 
1422 
1423  if (mxf->edit_unit_byte_count) {
1424  klv_encode_ber_length(pb, 80);
1425  } else {
1426  klv_encode_ber_length(pb, 85 + 12+(s->nb_streams+1LL)*6 +
1427  12+mxf->edit_units_count*(11+mxf->slice_count*4LL));
1428  }
1429 
1430  // instance id
1431  mxf_write_local_tag(pb, 16, 0x3C0A);
1433 
1434  // index edit rate
1435  mxf_write_local_tag(pb, 8, 0x3F0B);
1436  avio_wb32(pb, mxf->time_base.den);
1437  avio_wb32(pb, mxf->time_base.num);
1438 
1439  // index start position
1440  mxf_write_local_tag(pb, 8, 0x3F0C);
1442 
1443  // index duration
1444  mxf_write_local_tag(pb, 8, 0x3F0D);
1445  if (mxf->edit_unit_byte_count)
1446  avio_wb64(pb, 0); // index table covers whole container
1447  else
1448  avio_wb64(pb, mxf->edit_units_count);
1449 
1450  // edit unit byte count
1451  mxf_write_local_tag(pb, 4, 0x3F05);
1452  avio_wb32(pb, mxf->edit_unit_byte_count);
1453 
1454  // index sid
1455  mxf_write_local_tag(pb, 4, 0x3F06);
1456  avio_wb32(pb, 2);
1457 
1458  // body sid
1459  mxf_write_local_tag(pb, 4, 0x3F07);
1460  avio_wb32(pb, 1);
1461 
1462  if (!mxf->edit_unit_byte_count) {
1463  // real slice count - 1
1464  mxf_write_local_tag(pb, 1, 0x3F08);
1465  avio_w8(pb, mxf->slice_count);
1466 
1467  // delta entry array
1468  mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
1469  avio_wb32(pb, s->nb_streams+1); // num of entries
1470  avio_wb32(pb, 6); // size of one entry
1471  // write system item delta entry
1472  avio_w8(pb, 0);
1473  avio_w8(pb, 0); // slice entry
1474  avio_wb32(pb, 0); // element delta
1475  for (i = 0; i < s->nb_streams; i++) {
1476  AVStream *st = s->streams[i];
1477  MXFStreamContext *sc = st->priv_data;
1478  avio_w8(pb, sc->temporal_reordering);
1479  if (sc->temporal_reordering)
1480  temporal_reordering = 1;
1481  if (i == 0) { // video track
1482  avio_w8(pb, 0); // slice number
1483  avio_wb32(pb, KAG_SIZE); // system item size including klv fill
1484  } else { // audio track
1485  unsigned audio_frame_size = sc->aic.samples[0]*sc->aic.sample_size;
1486  audio_frame_size += klv_fill_size(audio_frame_size);
1487  avio_w8(pb, 1);
1488  avio_wb32(pb, (i-1)*audio_frame_size); // element delta
1489  }
1490  }
1491 
1492  mxf_write_local_tag(pb, 8 + mxf->edit_units_count*(11+mxf->slice_count*4), 0x3F0A);
1493  avio_wb32(pb, mxf->edit_units_count); // num of entries
1494  avio_wb32(pb, 11+mxf->slice_count*4); // size of one entry
1495 
1496  for (i = 0; i < mxf->edit_units_count; i++) {
1497  int temporal_offset = 0;
1498 
1499  if (!(mxf->index_entries[i].flags & 0x33)) { // I-frame
1500  mxf->last_key_index = key_index;
1501  key_index = i;
1502  }
1503 
1504  if (temporal_reordering) {
1505  int pic_num_in_gop = i - key_index;
1506  if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
1507  for (j = key_index; j < mxf->edit_units_count; j++) {
1508  if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
1509  break;
1510  }
1511  if (j == mxf->edit_units_count)
1512  av_log(s, AV_LOG_WARNING, "missing frames\n");
1513  temporal_offset = j - key_index - pic_num_in_gop;
1514  }
1515  }
1516  avio_w8(pb, temporal_offset);
1517 
1518  if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
1519  avio_w8(pb, mxf->last_key_index - i);
1520  } else {
1521  avio_w8(pb, key_index - i); // key frame offset
1522  if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
1523  mxf->last_key_index = key_index;
1524  }
1525 
1526  if (!(mxf->index_entries[i].flags & 0x33) && // I-frame
1527  mxf->index_entries[i].flags & 0x40 && !temporal_offset)
1528  mxf->index_entries[i].flags |= 0x80; // random access
1529  avio_w8(pb, mxf->index_entries[i].flags);
1530  // stream offset
1531  avio_wb64(pb, mxf->index_entries[i].offset);
1532  if (s->nb_streams > 1)
1533  avio_wb32(pb, mxf->index_entries[i].slice_offset);
1534  }
1535 
1536  mxf->last_key_index = key_index - mxf->edit_units_count;
1538  mxf->edit_units_count = 0;
1539  }
1540 }
1541 
1543 {
1544  unsigned pad = klv_fill_size(avio_tell(s->pb));
1545  if (pad) {
1546  avio_write(s->pb, klv_fill_key, 16);
1547  pad -= 16 + 4;
1548  klv_encode_ber4_length(s->pb, pad);
1549  ffio_fill(s->pb, 0, pad);
1550  av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
1551  }
1552 }
1553 
1554 static int mxf_write_partition(AVFormatContext *s, int bodysid,
1555  int indexsid,
1556  const uint8_t *key, int write_metadata)
1557 {
1558  MXFContext *mxf = s->priv_data;
1559  AVIOContext *pb = s->pb;
1560  int64_t header_byte_count_offset;
1561  unsigned index_byte_count = 0;
1562  uint64_t partition_offset = avio_tell(pb);
1563  int err;
1564 
1565  if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
1566  index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
1567  12+mxf->edit_units_count*(11+mxf->slice_count*4);
1568  else if (mxf->edit_unit_byte_count && indexsid)
1569  index_byte_count = 80;
1570 
1571  if (index_byte_count) {
1572  // add encoded ber length
1573  index_byte_count += 16 + klv_ber_length(index_byte_count);
1574  index_byte_count += klv_fill_size(index_byte_count);
1575  }
1576 
1577  if (key && !memcmp(key, body_partition_key, 16)) {
1579  sizeof(*mxf->body_partition_offset))) < 0) {
1580  mxf->body_partitions_count = 0;
1581  return err;
1582  }
1583  mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
1584  }
1585 
1586  // write klv
1587  if (key)
1588  avio_write(pb, key, 16);
1589  else
1590  avio_write(pb, body_partition_key, 16);
1591 
1593 
1594  // write partition value
1595  avio_wb16(pb, 1); // majorVersion
1596  avio_wb16(pb, 2); // minorVersion
1597  avio_wb32(pb, KAG_SIZE); // KAGSize
1598 
1599  avio_wb64(pb, partition_offset); // ThisPartition
1600 
1601  if (key && !memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
1602  avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
1603  else if (key && !memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
1604  avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
1605  else
1606  avio_wb64(pb, 0);
1607 
1608  avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
1609 
1610  // set offset
1611  header_byte_count_offset = avio_tell(pb);
1612  avio_wb64(pb, 0); // headerByteCount, update later
1613 
1614  // indexTable
1615  avio_wb64(pb, index_byte_count); // indexByteCount
1616  avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
1617 
1618  // BodyOffset
1619  if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && s->oformat != &ff_mxf_opatom_muxer)
1620  avio_wb64(pb, mxf->body_offset);
1621  else
1622  avio_wb64(pb, 0);
1623 
1624  avio_wb32(pb, bodysid); // bodySID
1625 
1626  // operational pattern
1627  if (s->oformat == &ff_mxf_opatom_muxer)
1628  avio_write(pb, opatom_ul, 16);
1629  else
1630  avio_write(pb, op1a_ul, 16);
1631 
1632  // essence container
1634 
1635  if (write_metadata) {
1636  // mark the start of the headermetadata and calculate metadata size
1637  int64_t pos, start;
1638  unsigned header_byte_count;
1639 
1640  mxf_write_klv_fill(s);
1641  start = avio_tell(s->pb);
1644  pos = avio_tell(s->pb);
1645  header_byte_count = pos - start + klv_fill_size(pos);
1646 
1647  // update header_byte_count
1648  avio_seek(pb, header_byte_count_offset, SEEK_SET);
1649  avio_wb64(pb, header_byte_count);
1650  avio_seek(pb, pos, SEEK_SET);
1651  }
1652 
1653  if(key)
1654  avio_flush(pb);
1655 
1656  return 0;
1657 }
1658 
1660 AVPacket *pkt)
1661 {
1662  MXFContext *mxf = s->priv_data;
1663  MXFStreamContext *sc = st->priv_data;
1664  int i, cid;
1665  uint8_t* header_cid;
1666  int frame_size = 0;
1667 
1668  if (mxf->header_written)
1669  return 1;
1670 
1671  if (pkt->size < 43)
1672  return -1;
1673 
1674  header_cid = pkt->data + 0x28;
1675  cid = header_cid[0] << 24 | header_cid[1] << 16 | header_cid[2] << 8 | header_cid[3];
1676 
1677  if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) < 0)
1678  return -1;
1679  if ((sc->interlaced = avpriv_dnxhd_get_interlaced(cid)) < 0)
1680  return AVERROR_INVALIDDATA;
1681 
1682  switch (cid) {
1683  case 1235:
1684  sc->index = 24;
1685  sc->component_depth = 10;
1686  break;
1687  case 1237:
1688  sc->index = 25;
1689  break;
1690  case 1238:
1691  sc->index = 26;
1692  break;
1693  case 1241:
1694  sc->index = 27;
1695  sc->component_depth = 10;
1696  break;
1697  case 1242:
1698  sc->index = 28;
1699  break;
1700  case 1243:
1701  sc->index = 29;
1702  break;
1703  case 1250:
1704  sc->index = 30;
1705  sc->component_depth = 10;
1706  break;
1707  case 1251:
1708  sc->index = 31;
1709  break;
1710  case 1252:
1711  sc->index = 32;
1712  break;
1713  case 1253:
1714  sc->index = 33;
1715  break;
1716  default:
1717  return -1;
1718  }
1719 
1720  sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1721  sc->aspect_ratio = (AVRational){ 16, 9 };
1722 
1723  if(s->oformat == &ff_mxf_opatom_muxer){
1725  return 1;
1726  }
1727 
1729  for (i = 0; i < s->nb_streams; i++) {
1730  AVStream *st = s->streams[i];
1731  MXFStreamContext *sc = st->priv_data;
1732  if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
1733  mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1735  } else if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
1736  mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1738  }
1739  }
1740 
1741  return 1;
1742 }
1743 
1745 {
1746  MXFContext *mxf = s->priv_data;
1747  MXFStreamContext *sc = st->priv_data;
1748  uint8_t *vs_pack, *vsc_pack;
1749  int i, ul_index, frame_size, stype, pal;
1750 
1751  if (mxf->header_written)
1752  return 1;
1753 
1754  // Check for minimal frame size
1755  if (pkt->size < 120000)
1756  return -1;
1757 
1758  vs_pack = pkt->data + 80*5 + 48;
1759  vsc_pack = pkt->data + 80*5 + 53;
1760  stype = vs_pack[3] & 0x1f;
1761  pal = (vs_pack[3] >> 5) & 0x1;
1762 
1763  if ((vs_pack[2] & 0x07) == 0x02)
1764  sc->aspect_ratio = (AVRational){ 16, 9 };
1765  else
1766  sc->aspect_ratio = (AVRational){ 4, 3 };
1767 
1768  sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
1769  // TODO: fix dv encoder to set proper FF/FS value in VSC pack
1770  // and set field dominance accordingly
1771  // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
1772 
1773  switch (stype) {
1774  case 0x18: // DV100 720p
1775  ul_index = 6 + pal;
1776  frame_size = pal ? 288000 : 240000;
1777  if (sc->interlaced) {
1778  av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
1779  sc->interlaced = 0;
1780  }
1781  break;
1782  case 0x14: // DV100 1080i
1783  ul_index = 4 + pal;
1784  frame_size = pal ? 576000 : 480000;
1785  break;
1786  case 0x04: // DV50
1787  ul_index = 2 + pal;
1788  frame_size = pal ? 288000 : 240000;
1789  break;
1790  default: // DV25
1791  ul_index = 0 + pal;
1792  frame_size = pal ? 144000 : 120000;
1793  }
1794 
1795  sc->index = ul_index + 16;
1796  sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1797 
1798  if(s->oformat == &ff_mxf_opatom_muxer) {
1800  return 1;
1801  }
1802 
1804  for (i = 0; i < s->nb_streams; i++) {
1805  AVStream *st = s->streams[i];
1806  MXFStreamContext *sc = st->priv_data;
1807  if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
1808  mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1810  } else if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
1811  mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1813  }
1814  }
1815 
1816  return 1;
1817 }
1818 
1819 static const struct {
1822  int profile;
1824 } mxf_h264_codec_uls[] = {
1825  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0 }, // AVC High 10 Intra
1826  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 0, 1 }, // AVC Intra 50 1080i60
1827  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 0, 1 }, // AVC Intra 50 1080i50
1828  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 0, 0 }, // AVC Intra 50 1080p30
1829  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 0, 0 }, // AVC Intra 50 1080p25
1830  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 0, 0 }, // AVC Intra 50 720p60
1831  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 0, 0 }, // AVC Intra 50 720p50
1832  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0 }, // AVC High 422 Intra
1833  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 0, 1 }, // AVC Intra 100 1080i60
1834  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 0, 1 }, // AVC Intra 100 1080i50
1835  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 0, 0 }, // AVC Intra 100 1080p30
1836  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 0, 0 }, // AVC Intra 100 1080p25
1837  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 0, 0 }, // AVC Intra 100 720p60
1838  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 0, 0 }, // AVC Intra 100 720p50
1839 };
1840 
1842  AVPacket *pkt, MXFIndexEntry *e)
1843 {
1844  MXFContext *mxf = s->priv_data;
1845  MXFStreamContext *sc = st->priv_data;
1846  static const int mxf_h264_num_codec_uls = sizeof(mxf_h264_codec_uls) / sizeof(mxf_h264_codec_uls[0]);
1847  const uint8_t *buf = pkt->data;
1848  const uint8_t *buf_end = pkt->data + pkt->size;
1849  uint32_t state = -1;
1850  int extra_size = 512; // support AVC Intra files without SPS/PPS header
1851  int i, frame_size;
1852  uint8_t uid_found;
1853 
1854  if (pkt->size > extra_size)
1855  buf_end -= pkt->size - extra_size; // no need to parse beyond SPS/PPS header
1856 
1857  for (;;) {
1858  buf = avpriv_find_start_code(buf, buf_end, &state);
1859  if (buf >= buf_end)
1860  break;
1861  --buf;
1862  switch (state & 0x1f) {
1863  case NAL_SPS:
1864  st->codecpar->profile = buf[1];
1865  e->flags |= 0x40;
1866  break;
1867  case NAL_PPS:
1868  if (e->flags & 0x40) { // sequence header present
1869  e->flags |= 0x80; // random access
1870  extra_size = 0;
1871  buf = buf_end;
1872  }
1873  break;
1874  default:
1875  break;
1876  }
1877  }
1878 
1879  if (mxf->header_written)
1880  return 1;
1881 
1882  sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD
1883  sc->component_depth = 10; // AVC Intra is always 10 Bit
1884  sc->interlaced = st->codecpar->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0;
1885  if (sc->interlaced)
1886  sc->field_dominance = 1; // top field first is mandatory for AVC Intra
1887 
1888  uid_found = 0;
1889  frame_size = pkt->size + extra_size;
1890  for (i = 0; i < mxf_h264_num_codec_uls; i++) {
1891  if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) {
1892  sc->codec_ul = &mxf_h264_codec_uls[i].uid;
1893  return 1;
1894  } else if (st->codecpar->profile == mxf_h264_codec_uls[i].profile) {
1895  sc->codec_ul = &mxf_h264_codec_uls[i].uid;
1896  uid_found = 1;
1897  }
1898  }
1899 
1900  if (!uid_found) {
1901  av_log(s, AV_LOG_ERROR, "AVC Intra 50/100 supported only\n");
1902  return 0;
1903  }
1904 
1905  return 1;
1906 }
1907 
1908 static const UID mxf_mpeg2_codec_uls[] = {
1909  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
1910  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
1911  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
1912  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
1913  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
1914  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
1915  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
1916  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
1917  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
1918  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
1919 };
1920 
1922 {
1923  int long_gop = 1;
1924 
1925  if (par->profile == 4) { // Main
1926  if (par->level == 8) // Main
1927  return &mxf_mpeg2_codec_uls[0+long_gop];
1928  else if (par->level == 4) // High
1929  return &mxf_mpeg2_codec_uls[4+long_gop];
1930  else if (par->level == 6) // High 14
1931  return &mxf_mpeg2_codec_uls[8+long_gop];
1932  } else if (par->profile == 0) { // 422
1933  if (par->level == 5) // Main
1934  return &mxf_mpeg2_codec_uls[2+long_gop];
1935  else if (par->level == 2) // High
1936  return &mxf_mpeg2_codec_uls[6+long_gop];
1937  }
1938  return NULL;
1939 }
1940 
1942  AVPacket *pkt, MXFIndexEntry *e)
1943 {
1944  MXFStreamContext *sc = st->priv_data;
1945  uint32_t c = -1;
1946  int i;
1947 
1948  for(i = 0; i < pkt->size - 4; i++) {
1949  c = (c<<8) + pkt->data[i];
1950  if (c == 0x1b5) {
1951  if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
1952  st->codecpar->profile = pkt->data[i+1] & 0x07;
1953  st->codecpar->level = pkt->data[i+2] >> 4;
1954  } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
1955  sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
1956  if (sc->interlaced)
1957  sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
1958  break;
1959  }
1960  } else if (c == 0x1b8) { // gop
1961  if (pkt->data[i+4]>>6 & 0x01) { // closed
1962  sc->closed_gop = 1;
1963  if (e->flags & 0x40) // sequence header present
1964  e->flags |= 0x80; // random access
1965  }
1966  } else if (c == 0x1b3) { // seq
1967  e->flags |= 0x40;
1968  switch ((pkt->data[i+4]>>4) & 0xf) {
1969  case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
1970  case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
1971  case 4: sc->aspect_ratio = (AVRational){221,100}; break;
1972  default:
1974  st->codecpar->width, st->codecpar->height, 1024*1024);
1975  }
1976  } else if (c == 0x100) { // pic
1977  int pict_type = (pkt->data[i+2]>>3) & 0x07;
1978  e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1979  if (pict_type == 2) { // P-frame
1980  e->flags |= 0x22;
1981  sc->closed_gop = 0; // reset closed GOP, don't matter anymore
1982  } else if (pict_type == 3) { // B-frame
1983  if (sc->closed_gop)
1984  e->flags |= 0x13; // only backward prediction
1985  else
1986  e->flags |= 0x33;
1987  sc->temporal_reordering = -1;
1988  } else if (!pict_type) {
1989  av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
1990  return 0;
1991  }
1992  }
1993  }
1994  if (s->oformat != &ff_mxf_d10_muxer)
1996  return !!sc->codec_ul;
1997 }
1998 
1999 static uint64_t mxf_parse_timestamp(time_t timestamp)
2000 {
2001  struct tm tmbuf;
2002  struct tm *time = gmtime_r(&timestamp, &tmbuf);
2003  if (!time)
2004  return 0;
2005  return (uint64_t)(time->tm_year+1900) << 48 |
2006  (uint64_t)(time->tm_mon+1) << 40 |
2007  (uint64_t) time->tm_mday << 32 |
2008  time->tm_hour << 24 |
2009  time->tm_min << 16 |
2010  time->tm_sec << 8;
2011 }
2012 
2014 {
2015  MXFContext *mxf = s->priv_data;
2016  uint32_t seed = av_get_random_seed();
2017  uint64_t umid = seed + 0x5294713400000000LL;
2018 
2019  AV_WB64(mxf->umid , umid);
2020  AV_WB64(mxf->umid+8, umid>>8);
2021 
2022  mxf->instance_number = seed & 0xFFFFFF;
2023 }
2024 
2026 {
2027  MXFContext *mxf = s->priv_data;
2028  AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
2029  if (!tcr)
2030  tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
2031 
2032  if (tcr)
2033  return av_timecode_init_from_string(&mxf->tc, rate, tcr->value, s);
2034  else
2035  return av_timecode_init(&mxf->tc, rate, 0, 0, s);
2036 }
2037 
2039 {
2040  MXFContext *mxf = s->priv_data;
2041  int i, ret;
2042  uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
2043  const MXFSamplesPerFrame *spf = NULL;
2044  int64_t timestamp = 0;
2045 
2046  if (!s->nb_streams)
2047  return -1;
2048 
2049  if (s->oformat == &ff_mxf_opatom_muxer && s->nb_streams !=1){
2050  av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n");
2051  return -1;
2052  }
2053 
2054  if (!av_dict_get(s->metadata, "comment_", NULL, AV_DICT_IGNORE_SUFFIX))
2055  mxf->store_user_comments = 0;
2056 
2057  for (i = 0; i < s->nb_streams; i++) {
2058  AVStream *st = s->streams[i];
2059  MXFStreamContext *sc = av_mallocz(sizeof(*sc));
2060  if (!sc)
2061  return AVERROR(ENOMEM);
2062  st->priv_data = sc;
2063 
2064  if (((i == 0) ^ (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)) && s->oformat != &ff_mxf_opatom_muxer) {
2065  av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
2066  return -1;
2067  }
2068 
2069  if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2070  const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codecpar->format);
2071  // TODO: should be avg_frame_rate
2072  AVRational rate, tbc = st->time_base;
2073  // Default component depth to 8
2074  sc->component_depth = 8;
2075  sc->h_chroma_sub_sample = 2;
2076  sc->color_siting = 0xFF;
2077 
2078  if (pix_desc) {
2079  sc->component_depth = pix_desc->comp[0].depth;
2080  sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w;
2081  }
2082  switch (ff_choose_chroma_location(s, st)) {
2083  case AVCHROMA_LOC_TOPLEFT: sc->color_siting = 0; break;
2084  case AVCHROMA_LOC_LEFT: sc->color_siting = 6; break;
2085  case AVCHROMA_LOC_TOP: sc->color_siting = 1; break;
2086  case AVCHROMA_LOC_CENTER: sc->color_siting = 3; break;
2087  }
2088 
2089  mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2090  spf = ff_mxf_get_samples_per_frame(s, tbc);
2091  if (!spf) {
2092  av_log(s, AV_LOG_ERROR, "Unsupported video frame rate %d/%d\n",
2093  tbc.den, tbc.num);
2094  return AVERROR(EINVAL);
2095  }
2096  mxf->time_base = spf->time_base;
2097  rate = av_inv_q(mxf->time_base);
2098  avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
2099  if((ret = mxf_init_timecode(s, st, rate)) < 0)
2100  return ret;
2101 
2102  sc->video_bit_rate = st->codecpar->bit_rate;
2103  if (s->oformat == &ff_mxf_d10_muxer) {
2104  if ((sc->video_bit_rate == 50000000) && (mxf->time_base.den == 25)) {
2105  sc->index = 3;
2106  } else if ((sc->video_bit_rate == 49999840 || sc->video_bit_rate == 50000000) && (mxf->time_base.den != 25)) {
2107  sc->index = 5;
2108  } else if (sc->video_bit_rate == 40000000) {
2109  if (mxf->time_base.den == 25) sc->index = 7;
2110  else sc->index = 9;
2111  } else if (sc->video_bit_rate == 30000000) {
2112  if (mxf->time_base.den == 25) sc->index = 11;
2113  else sc->index = 13;
2114  } else {
2115  av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
2116  return -1;
2117  }
2118 
2119  mxf->edit_unit_byte_count = KAG_SIZE; // system element
2120  mxf->edit_unit_byte_count += 16 + 4 + (uint64_t)sc->video_bit_rate *
2121  mxf->time_base.num / (8*mxf->time_base.den);
2123  mxf->edit_unit_byte_count += 16 + 4 + 4 + spf->samples_per_frame[0]*8*4;
2125 
2126  sc->signal_standard = 1;
2127  }
2128  if (mxf->signal_standard >= 0)
2129  sc->signal_standard = mxf->signal_standard;
2130  } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2131  if (st->codecpar->sample_rate != 48000) {
2132  av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
2133  return -1;
2134  }
2135  avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
2136  if (s->oformat == &ff_mxf_d10_muxer) {
2137  if (st->index != 1) {
2138  av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
2139  return -1;
2140  }
2141  if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2143  av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
2144  }
2145  sc->index = ((MXFStreamContext*)s->streams[0]->priv_data)->index + 1;
2146  } else if (s->oformat == &ff_mxf_opatom_muxer) {
2147  AVRational tbc = av_inv_q(mxf->audio_edit_rate);
2148 
2149  if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2151  av_log(s, AV_LOG_ERROR, "Only pcm_s16le and pcm_s24le audio codecs are implemented\n");
2152  return AVERROR_PATCHWELCOME;
2153  }
2154  if (st->codecpar->channels != 1) {
2155  av_log(s, AV_LOG_ERROR, "MXF OPAtom only supports single channel audio\n");
2156  return AVERROR(EINVAL);
2157  }
2158 
2159  spf = ff_mxf_get_samples_per_frame(s, tbc);
2160  if (!spf){
2161  av_log(s, AV_LOG_ERROR, "Unsupported timecode frame rate %d/%d\n", tbc.den, tbc.num);
2162  return AVERROR(EINVAL);
2163  }
2164 
2165  mxf->time_base = st->time_base;
2166  if((ret = mxf_init_timecode(s, st, av_inv_q(spf->time_base))) < 0)
2167  return ret;
2168 
2169  mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2171  sc->index = 2;
2172  } else {
2173  mxf->slice_count = 1;
2174  }
2175  }
2176 
2177  if (!sc->index) {
2179  if (sc->index == -1) {
2180  av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
2181  "codec not currently supported in container\n", i);
2182  return -1;
2183  }
2184  }
2185 
2186  sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2187 
2188  memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
2189  sc->track_essence_element_key[15] = present[sc->index];
2190  PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
2191 
2192  if (!present[sc->index])
2193  mxf->essence_container_count++;
2194  present[sc->index]++;
2195  }
2196 
2197  if (s->oformat == &ff_mxf_d10_muxer || s->oformat == &ff_mxf_opatom_muxer) {
2198  mxf->essence_container_count = 1;
2199  }
2200 
2201  if (!(s->flags & AVFMT_FLAG_BITEXACT))
2202  mxf_gen_umid(s);
2203 
2204  for (i = 0; i < s->nb_streams; i++) {
2205  MXFStreamContext *sc = s->streams[i]->priv_data;
2206  // update element count
2207  sc->track_essence_element_key[13] = present[sc->index];
2208  if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[15].element_ul, 13)) // DV
2209  sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
2210  else
2211  sc->order = AV_RB32(sc->track_essence_element_key+12);
2212  }
2213 
2214  if (ff_parse_creation_time_metadata(s, &timestamp, 1) > 0)
2215  mxf->timestamp = mxf_parse_timestamp(timestamp);
2216  mxf->duration = -1;
2217 
2218  mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
2219  if (!mxf->timecode_track)
2220  return AVERROR(ENOMEM);
2222  if (!mxf->timecode_track->priv_data)
2223  return AVERROR(ENOMEM);
2224  mxf->timecode_track->index = -1;
2225 
2226  if (!spf)
2227  spf = ff_mxf_get_samples_per_frame(s, (AVRational){ 1, 25 });
2228 
2229  if (ff_audio_interleave_init(s, spf->samples_per_frame, mxf->time_base) < 0)
2230  return -1;
2231 
2232  return 0;
2233 }
2234 
2235 static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
2236 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 };
2237 
2239 {
2240  MXFContext *mxf = s->priv_data;
2241  AVIOContext *pb = s->pb;
2242  unsigned frame;
2243  uint32_t time_code;
2244 
2245  frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2246 
2247  // write system metadata pack
2249  klv_encode_ber4_length(pb, 57);
2250  avio_w8(pb, 0x5c); // UL, user date/time stamp, picture and sound item present
2251  avio_w8(pb, 0x04); // content package rate
2252  avio_w8(pb, 0x00); // content package type
2253  avio_wb16(pb, 0x00); // channel handle
2254  avio_wb16(pb, (mxf->tc.start + frame) & 0xFFFF); // continuity count, supposed to overflow
2255  if (mxf->essence_container_count > 1)
2256  avio_write(pb, multiple_desc_ul, 16);
2257  else {
2258  MXFStreamContext *sc = s->streams[0]->priv_data;
2259  avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
2260  }
2261  avio_w8(pb, 0);
2262  avio_wb64(pb, 0);
2263  avio_wb64(pb, 0); // creation date/time stamp
2264 
2265  avio_w8(pb, 0x81); // SMPTE 12M time code
2266  time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
2267  avio_wb32(pb, time_code);
2268  avio_wb32(pb, 0); // binary group data
2269  avio_wb64(pb, 0);
2270 
2271  // write system metadata package set
2273  klv_encode_ber4_length(pb, 35);
2274  avio_w8(pb, 0x83); // UMID
2275  avio_wb16(pb, 0x20);
2276  mxf_write_umid(s, 1);
2277 }
2278 
2280 {
2281  MXFContext *mxf = s->priv_data;
2282  AVIOContext *pb = s->pb;
2283  MXFStreamContext *sc = st->priv_data;
2284  int packet_size = (uint64_t)sc->video_bit_rate*mxf->time_base.num /
2285  (8*mxf->time_base.den); // frame size
2286  int pad;
2287 
2288  packet_size += 16 + 4;
2289  packet_size += klv_fill_size(packet_size);
2290 
2291  klv_encode_ber4_length(pb, pkt->size);
2292  avio_write(pb, pkt->data, pkt->size);
2293 
2294  // ensure CBR muxing by padding to correct video frame size
2295  pad = packet_size - pkt->size - 16 - 4;
2296  if (pad > 20) {
2297  avio_write(s->pb, klv_fill_key, 16);
2298  pad -= 16 + 4;
2299  klv_encode_ber4_length(s->pb, pad);
2300  ffio_fill(s->pb, 0, pad);
2301  av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
2302  } else {
2303  av_log(s, AV_LOG_WARNING, "cannot fill d-10 video packet\n");
2304  ffio_fill(s->pb, 0, pad);
2305  }
2306 }
2307 
2309 {
2310  MXFContext *mxf = s->priv_data;
2311  AVIOContext *pb = s->pb;
2312  int frame_size = pkt->size / st->codecpar->block_align;
2313  uint8_t *samples = pkt->data;
2314  uint8_t *end = pkt->data + pkt->size;
2315  int i;
2316 
2317  klv_encode_ber4_length(pb, 4 + frame_size*4*8);
2318 
2319  avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
2320  avio_wl16(pb, frame_size);
2321  avio_w8(pb, (1<<st->codecpar->channels)-1);
2322 
2323  while (samples < end) {
2324  for (i = 0; i < st->codecpar->channels; i++) {
2325  uint32_t sample;
2326  if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
2327  sample = AV_RL24(samples)<< 4;
2328  samples += 3;
2329  } else {
2330  sample = AV_RL16(samples)<<12;
2331  samples += 2;
2332  }
2333  avio_wl32(pb, sample | i);
2334  }
2335  for (; i < 8; i++)
2336  avio_wl32(pb, i);
2337  }
2338 }
2339 
2341 {
2342  MXFContext *mxf = s->priv_data;
2343  AVIOContext *pb = s->pb;
2344  AVStream *st = s->streams[0];
2345  MXFStreamContext *sc = st->priv_data;
2346  const uint8_t *key = NULL;
2347 
2348  int err;
2349 
2350  if (!mxf->header_written)
2351  key = body_partition_key;
2352 
2353  if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0)
2354  return err;
2355  mxf_write_klv_fill(s);
2358  return 0;
2359 }
2360 
2362 {
2363  MXFContext *mxf = s->priv_data;
2364  AVIOContext *pb = s->pb;
2365 
2366  int err;
2367 
2368  if (!mxf->header_written) {
2369  if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2370  return err;
2371  mxf_write_klv_fill(s);
2372 
2373  if ((err = mxf_write_opatom_body_partition(s)) < 0)
2374  return err;
2375  mxf->header_written = 1;
2376  }
2377 
2378  if (!mxf->edit_unit_byte_count) {
2380  mxf->index_entries[mxf->edit_units_count].flags = ie->flags;
2382  }
2383  mxf->edit_units_count++;
2384  avio_write(pb, pkt->data, pkt->size);
2385  mxf->body_offset += pkt->size;
2386  avio_flush(pb);
2387 
2388  return 0;
2389 }
2390 
2392 {
2393  MXFContext *mxf = s->priv_data;
2394  AVIOContext *pb = s->pb;
2395  AVStream *st = s->streams[pkt->stream_index];
2396  MXFStreamContext *sc = st->priv_data;
2397  MXFIndexEntry ie = {0};
2398  int err;
2399 
2401  if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
2402  + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
2403  mxf->edit_units_count = 0;
2404  av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
2405  return err;
2406  }
2407  }
2408 
2410  if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
2411  av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
2412  return -1;
2413  }
2414  } else if (st->codecpar->codec_id == AV_CODEC_ID_DNXHD) {
2415  if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
2416  av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
2417  return -1;
2418  }
2419  } else if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) {
2420  if (!mxf_parse_dv_frame(s, st, pkt)) {
2421  av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
2422  return -1;
2423  }
2424  } else if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
2425  if (!mxf_parse_h264_frame(s, st, pkt, &ie)) {
2426  av_log(s, AV_LOG_ERROR, "could not get h264 profile\n");
2427  return -1;
2428  }
2429  }
2430 
2431  if (s->oformat == &ff_mxf_opatom_muxer)
2432  return mxf_write_opatom_packet(s, pkt, &ie);
2433 
2434  if (!mxf->header_written) {
2435  if (mxf->edit_unit_byte_count) {
2436  if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
2437  return err;
2438  mxf_write_klv_fill(s);
2440  } else {
2441  if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2442  return err;
2443  }
2444  mxf->header_written = 1;
2445  }
2446 
2447  if (st->index == 0) {
2448  if (!mxf->edit_unit_byte_count &&
2450  !(ie.flags & 0x33)) { // I-frame, GOP start
2451  mxf_write_klv_fill(s);
2452  if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
2453  return err;
2454  mxf_write_klv_fill(s);
2456  }
2457 
2458  mxf_write_klv_fill(s);
2460 
2461  if (!mxf->edit_unit_byte_count) {
2463  mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
2465  mxf->body_offset += KAG_SIZE; // size of system element
2466  }
2467  mxf->edit_units_count++;
2468  } else if (!mxf->edit_unit_byte_count && st->index == 1) {
2469  if (!mxf->edit_units_count) {
2470  av_log(s, AV_LOG_ERROR, "No packets in first stream\n");
2471  return AVERROR_PATCHWELCOME;
2472  }
2474  mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
2475  }
2476 
2477  mxf_write_klv_fill(s);
2478  avio_write(pb, sc->track_essence_element_key, 16); // write key
2479  if (s->oformat == &ff_mxf_d10_muxer) {
2481  mxf_write_d10_video_packet(s, st, pkt);
2482  else
2483  mxf_write_d10_audio_packet(s, st, pkt);
2484  } else {
2485  klv_encode_ber4_length(pb, pkt->size); // write length
2486  avio_write(pb, pkt->data, pkt->size);
2487  mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
2488  }
2489 
2490  avio_flush(pb);
2491 
2492  return 0;
2493 }
2494 
2496 {
2497  MXFContext *mxf = s->priv_data;
2498  AVIOContext *pb = s->pb;
2499  uint64_t pos = avio_tell(pb);
2500  int i;
2501 
2503  klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
2504 
2505  if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer)
2506  avio_wb32(pb, 1); // BodySID of header partition
2507  else
2508  avio_wb32(pb, 0);
2509  avio_wb64(pb, 0); // offset of header partition
2510 
2511  for (i = 0; i < mxf->body_partitions_count; i++) {
2512  avio_wb32(pb, 1); // BodySID
2513  avio_wb64(pb, mxf->body_partition_offset[i]);
2514  }
2515 
2516  avio_wb32(pb, 0); // BodySID of footer partition
2518 
2519  avio_wb32(pb, avio_tell(pb) - pos + 4);
2520 }
2521 
2523 {
2524  MXFContext *mxf = s->priv_data;
2525  AVIOContext *pb = s->pb;
2526  int err = 0;
2527 
2528  if (!mxf->header_written ||
2529  (s->oformat == &ff_mxf_opatom_muxer && !mxf->body_partition_offset)) {
2530  /* reason could be invalid options/not supported codec/out of memory */
2531  err = AVERROR_UNKNOWN;
2532  goto end;
2533  }
2534 
2536 
2537  mxf_write_klv_fill(s);
2539  if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { // no need to repeat index
2540  if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
2541  goto end;
2542  } else {
2543  if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
2544  goto end;
2545  mxf_write_klv_fill(s);
2547  }
2548 
2549  mxf_write_klv_fill(s);
2551 
2552  if (s->pb->seekable) {
2553  if (s->oformat == &ff_mxf_opatom_muxer){
2554  /* rewrite body partition to update lengths */
2555  avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET);
2556  if ((err = mxf_write_opatom_body_partition(s)) < 0)
2557  goto end;
2558  }
2559 
2560  avio_seek(pb, 0, SEEK_SET);
2561  if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) {
2562  if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
2563  goto end;
2564  mxf_write_klv_fill(s);
2566  } else {
2567  if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
2568  goto end;
2569  }
2570  }
2571 
2572 end:
2574 
2575  av_freep(&mxf->index_entries);
2578  av_freep(&mxf->timecode_track);
2579 
2580  mxf_free(s);
2581 
2582  return err < 0 ? err : 0;
2583 }
2584 
2586 {
2587  int i, stream_count = 0;
2588 
2589  for (i = 0; i < s->nb_streams; i++)
2590  stream_count += !!s->streams[i]->last_in_packet_buffer;
2591 
2592  if (stream_count && (s->nb_streams == stream_count || flush)) {
2593  AVPacketList *pktl = s->internal->packet_buffer;
2594  if (s->nb_streams != stream_count) {
2595  AVPacketList *last = NULL;
2596  // find last packet in edit unit
2597  while (pktl) {
2598  if (!stream_count || pktl->pkt.stream_index == 0)
2599  break;
2600  last = pktl;
2601  pktl = pktl->next;
2602  stream_count--;
2603  }
2604  // purge packet queue
2605  while (pktl) {
2606  AVPacketList *next = pktl->next;
2607 
2608  if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2610  av_packet_unref(&pktl->pkt);
2611  av_freep(&pktl);
2612  pktl = next;
2613  }
2614  if (last)
2615  last->next = NULL;
2616  else {
2617  s->internal->packet_buffer = NULL;
2619  goto out;
2620  }
2621  pktl = s->internal->packet_buffer;
2622  }
2623 
2624  *out = pktl->pkt;
2625  av_log(s, AV_LOG_TRACE, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts);
2626  s->internal->packet_buffer = pktl->next;
2627  if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2629  if(!s->internal->packet_buffer)
2631  av_freep(&pktl);
2632  return 1;
2633  } else {
2634  out:
2635  av_init_packet(out);
2636  return 0;
2637  }
2638 }
2639 
2641 {
2643  MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
2644 
2645  return next->dts > pkt->dts ||
2646  (next->dts == pkt->dts && sc->order < sc2->order);
2647 }
2648 
2650 {
2651  return ff_audio_rechunk_interleave(s, out, pkt, flush,
2653 }
2654 
2655 #define MXF_COMMON_OPTIONS \
2656  { "signal_standard", "Force/set Sigal Standard",\
2657  offsetof(MXFContext, signal_standard), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2658  { "bt601", "ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)",\
2659  0, AV_OPT_TYPE_CONST, {.i64 = 1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2660  { "bt1358", "ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)",\
2661  0, AV_OPT_TYPE_CONST, {.i64 = 2}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2662  { "smpte347m", "SMPTE 347M (540 Mbps mappings)",\
2663  0, AV_OPT_TYPE_CONST, {.i64 = 3}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2664  { "smpte274m", "SMPTE 274M (1125 line)",\
2665  0, AV_OPT_TYPE_CONST, {.i64 = 4}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2666  { "smpte296m", "SMPTE 296M (750 line progressive)",\
2667  0, AV_OPT_TYPE_CONST, {.i64 = 5}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2668  { "smpte349m", "SMPTE 349M (1485 Mbps mappings)",\
2669  0, AV_OPT_TYPE_CONST, {.i64 = 6}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2670  { "smpte428", "SMPTE 428-1 DCDM",\
2671  0, AV_OPT_TYPE_CONST, {.i64 = 7}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},
2672 
2673 
2674 
2675 static const AVOption mxf_options[] = {
2677  { "store_user_comments", "",
2678  offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
2679  { NULL },
2680 };
2681 
2682 static const AVClass mxf_muxer_class = {
2683  .class_name = "MXF muxer",
2684  .item_name = av_default_item_name,
2685  .option = mxf_options,
2686  .version = LIBAVUTIL_VERSION_INT,
2687 };
2688 
2689 static const AVOption d10_options[] = {
2690  { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
2691  offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
2693  { "store_user_comments", "",
2694  offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
2695  { NULL },
2696 };
2697 
2699  .class_name = "MXF-D10 muxer",
2700  .item_name = av_default_item_name,
2701  .option = d10_options,
2702  .version = LIBAVUTIL_VERSION_INT,
2703 };
2704 
2705 static const AVOption opatom_options[] = {
2706  { "mxf_audio_edit_rate", "Audio edit rate for timecode",
2707  offsetof(MXFContext, audio_edit_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
2709  { NULL },
2710 };
2711 
2713  .class_name = "MXF-OPAtom muxer",
2714  .item_name = av_default_item_name,
2715  .option = opatom_options,
2716  .version = LIBAVUTIL_VERSION_INT,
2717 };
2718 
2720  .name = "mxf",
2721  .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
2722  .mime_type = "application/mxf",
2723  .extensions = "mxf",
2724  .priv_data_size = sizeof(MXFContext),
2725  .audio_codec = AV_CODEC_ID_PCM_S16LE,
2726  .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2732  .priv_class = &mxf_muxer_class,
2733 };
2734 
2735 AVOutputFormat ff_mxf_d10_muxer = {
2736  .name = "mxf_d10",
2737  .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
2738  .mime_type = "application/mxf",
2739  .priv_data_size = sizeof(MXFContext),
2740  .audio_codec = AV_CODEC_ID_PCM_S16LE,
2741  .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2747  .priv_class = &mxf_d10_muxer_class,
2748 };
2749 
2750 AVOutputFormat ff_mxf_opatom_muxer = {
2751  .name = "mxf_opatom",
2752  .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"),
2753  .mime_type = "application/mxf",
2754  .extensions = "mxf",
2755  .priv_data_size = sizeof(MXFContext),
2756  .audio_codec = AV_CODEC_ID_PCM_S16LE,
2757  .video_codec = AV_CODEC_ID_DNXHD,
2763  .priv_class = &mxf_opatom_muxer_class,
2764 };
static uint64_t mxf_parse_timestamp(time_t timestamp)
Definition: mxfenc.c:1999
void avio_wb64(AVIOContext *s, uint64_t val)
Definition: aviobuf.c:440
uint32_t tagged_value_count
Definition: mxfenc.c:325
#define NULL
Definition: coverity.c:32
enum AVFieldOrder field_order
Video only.
Definition: avcodec.h:4020
void avio_wl16(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:446
MXFMetadataSetType
Definition: mxf.h:30
const char * s
Definition: avisynth_c.h:631
Bytestream IO Context.
Definition: avio.h:147
#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:683
static void mxf_write_d10_video_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:2279
int component_depth
Definition: mxfenc.c:86
static const uint8_t header_closed_partition_key[]
Definition: mxfenc.c:343
#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:2263
MPEG-2/4 4:2:0, H.264 default for 4:2:0.
Definition: pixfmt.h:480
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:245
static void flush(AVCodecContext *avctx)
static void mxf_write_index_table_segment(AVFormatContext *s)
Definition: mxfenc.c:1409
enum AVCodecID id
Definition: mxfenc.c:104
uint64_t body_offset
Definition: mxfenc.c:320
#define PRINT_KEY(pc, s, x)
Definition: mxf.h:115
static const uint8_t klv_fill_key[]
Definition: mxfenc.c:344
static const UID mxf_mpegvideo_descriptor_key
Definition: mxfenc.c:1003
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
#define LIBAVUTIL_VERSION_INT
Definition: version.h:70
unsigned char * buf_ptr
Current position in the buffer.
Definition: avio.h:210
static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
Definition: mxfenc.c:512
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:4493
static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
Definition: mxfenc.c:907
unsigned body_partitions_count
Definition: mxfenc.c:313
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: avcodec.h:3939
const int * samples
current samples per frame, pointer to samples_per_frame
int num
numerator
Definition: rational.h:44
static int mxf_init_timecode(AVFormatContext *s, AVStream *st, AVRational rate)
Definition: mxfenc.c:2025
int index
stream index in AVFormatContext
Definition: avformat.h:877
int size
Definition: avcodec.h:1589
Definition: mxf.h:34
static const UID mxf_cdci_descriptor_key
Definition: mxfenc.c:1006
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
Definition: aviobuf.c:230
AVFormatInternal * internal
An opaque field for libavformat internal usage.
Definition: avformat.h:1752
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:345
AVOutputFormat ff_mxf_muxer
Definition: mxfenc.c:2719
int avpriv_dnxhd_get_interlaced(int cid)
Definition: dnxhddata.c:1097
void * priv_data
Definition: avformat.h:891
int version
Definition: avisynth_c.h:629
static AVPacket pkt
struct AVRational time_base
Definition: mxf.h:74
static void mxf_free(AVFormatContext *s)
Definition: mxfenc.c:568
static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
Definition: mxfenc.c:455
static void mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
Definition: mxfenc.c:980
#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:827
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:3931
int index
Definition: mxfenc.c:105
static int mxf_write_header(AVFormatContext *s)
Definition: mxfenc.c:2038
static void klv_encode_ber4_length(AVIOContext *pb, int len)
Definition: mxfenc.c:506
static const uint8_t multiple_desc_ul[]
Definition: mxfenc.c:351
Format I/O context.
Definition: avformat.h:1325
int h_chroma_sub_sample
Definition: mxfenc.c:89
uint8_t UID[16]
Definition: mxf.h:28
UID uid
Definition: mxfenc.c:1820
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:310
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
Definition: log.h:72
#define AV_WB64(p, v)
Definition: intreadwrite.h:433
static const UID mxf_generic_sound_descriptor_key
Definition: mxfenc.c:1007
static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
Definition: mxfenc.c:485
static void mxf_write_klv_fill(AVFormatContext *s)
Definition: mxfenc.c:1542
static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
Definition: mxfenc.c:471
int timecode_base
rounded time code base (25 or 30)
Definition: mxfenc.c:318
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:193
static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
Definition: mxfenc.c:2391
AVOutputFormat ff_mxf_d10_muxer
Definition: mxfenc.c:2735
void avio_wl32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:346
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:1400
uint8_t
const MXFSamplesPerFrame * ff_mxf_get_samples_per_frame(AVFormatContext *s, AVRational time_base)
Definition: mxf.c:151
int width
Video only.
Definition: avcodec.h:4005
static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
Definition: mxfenc.c:1009
AVOptions.
static const UID mxf_mpeg2_codec_uls[]
Definition: mxfenc.c:1908
#define AV_LOG_TRACE
Extremely verbose debugging, useful for libav* development.
Definition: log.h:202
AVPacket pkt
Definition: avformat.h:1933
timecode is drop frame
Definition: timecode.h:36
static av_cold int end(AVCodecContext *avctx)
Definition: avrndec.c:90
int ff_audio_interleave_init(AVFormatContext *s, const int *samples_per_frame, AVRational time_base)
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_RB32
Definition: bytestream.h:87
AVStream ** streams
A list of all streams in the file.
Definition: avformat.h:1393
static AVFrame * frame
int avpriv_dnxhd_get_frame_size(int cid)
Definition: dnxhddata.c:1089
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:39
int flags
Flags modifying the (de)muxer behaviour.
Definition: avformat.h:1436
uint8_t * data
Definition: avcodec.h:1588
uint64_t duration
Definition: mxfenc.c:315
int start
timecode frame start (first base frame number)
Definition: timecode.h:42
uint32_t tag
Definition: movenc.c:1376
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:780
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
Definition: avio.h:511
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:204
static int interleave_packet(AVFormatContext *s, AVPacket *out, AVPacket *in, int flush)
Interleave an AVPacket correctly so it can be muxed.
Definition: mux.c:1127
#define AVFMT_FLAG_BITEXACT
When muxing, try to avoid writing any random/volatile data to the output.
Definition: avformat.h:1453
AVRational audio_edit_rate
Definition: mxfenc.c:326
unsigned slice_offset
offset of audio slice
Definition: mxfenc.c:74
static const uint8_t index_table_segment_key[]
Definition: mxfenc.c:340
#define av_log(a,...)
Definition: h264.h:123
#define AV_OPT_FLAG_ENCODING_PARAM
a generic parameter which can be set by the user for muxing or encoding
Definition: opt.h:275
const uint8_t * avpriv_find_start_code(const uint8_t *p, const uint8_t *end, uint32_t *state)
unsigned m
Definition: audioconvert.c:187
struct AVOutputFormat * oformat
The output container format.
Definition: avformat.h:1344
int64_t bit_rate
The average bitrate of the encoded data (in bits per second).
Definition: avcodec.h:3968
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:183
H.264 / AVC / MPEG-4 part10 codec.
int store_user_comments
Definition: mxfenc.c:327
AudioInterleaveContext aic
Definition: mxfenc.c:79
int local_tag
Definition: mxfenc.c:67
static const AVClass mxf_opatom_muxer_class
Definition: mxfenc.c:2712
static const uint8_t umid_ul[]
Definition: mxfenc.c:331
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:5189
int av_reallocp_array(void *ptr, size_t nmemb, size_t size)
Definition: mem.c:215
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:189
#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:1539
int av_get_bits_per_sample(enum AVCodecID codec_id)
Return codec bits per sample.
Definition: utils.c:3446
static void mxf_write_system_item(AVFormatContext *s)
Definition: mxfenc.c:2238
#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:350
static const uint8_t mxf_indirect_value_utf16le[]
Definition: mxfenc.c:1209
int profile
Definition: mxfenc.c:1822
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:176
static const uint8_t header_open_partition_key[]
Definition: mxfenc.c:342
static void mxf_write_preface(AVFormatContext *s)
Definition: mxfenc.c:610
#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:3935
int header_written
Definition: mxfenc.c:306
static void mxf_write_random_index_pack(AVFormatContext *s)
Definition: mxfenc.c:2495
static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1105
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:2340
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:562
GLsizei count
Definition: opengl_enc.c:109
#define MXF_COMMON_OPTIONS
Definition: mxfenc.c:2655
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:2308
static const uint8_t primer_pack_key[]
Definition: mxfenc.c:339
static const uint8_t system_metadata_pack_key[]
Definition: mxfenc.c:2235
static int mxf_get_essence_container_ul_index(enum AVCodecID id)
Definition: mxfenc.c:521
static struct tm * gmtime_r(const time_t *clock, struct tm *result)
Definition: time_internal.h:26
static void mxf_write_content_storage(AVFormatContext *s)
Definition: mxfenc.c:755
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
static int klv_ber_length(uint64_t len)
Definition: mxfenc.c:477
unsigned int nb_streams
Number of elements in AVFormatContext.streams.
Definition: avformat.h:1381
static const struct @202 mxf_essence_mappings[]
int block_align
Audio only.
Definition: avcodec.h:4056
int seekable
A combination of AVIO_SEEKABLE_ flags or 0 when the stream is not seekable.
Definition: avio.h:243
static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt, MXFIndexEntry *e)
Definition: mxfenc.c:1841
int void avio_flush(AVIOContext *s)
Force flushing of buffered data.
Definition: aviobuf.c:224
static const UID mxf_wav_descriptor_key
Definition: mxfenc.c:1004
#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:190
#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:336
uint8_t interlaced
Definition: mxfenc.c:1823
static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:1659
uint64_t * body_partition_offset
Definition: mxfenc.c:312
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:482
static const AVOption mxf_options[]
Definition: mxfenc.c:2675
void avio_wb24(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:464
static const AVClass mxf_muxer_class
Definition: mxfenc.c:2682
const char * name
Definition: avformat.h:522
static int mxf_write_partition(AVFormatContext *s, int bodysid, int indexsid, const uint8_t *key, int write_metadata)
Definition: mxfenc.c:1554
static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
Definition: mxfenc.c:702
static int mxf_write_header_metadata_sets(AVFormatContext *s)
Definition: mxfenc.c:1367
AVDictionary * metadata
Definition: avformat.h:945
AVStream * timecode_track
Definition: mxfenc.c:317
static const UID mxf_aes3_descriptor_key
Definition: mxfenc.c:1005
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:2236
int edit_unit_byte_count
fixed edit unit byte count
Definition: mxfenc.c:319
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:194
#define FF_ARRAY_ELEMS(a)
Stream structure.
Definition: avformat.h:876
#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:484
uint32_t instance_number
Definition: mxfenc.c:321
static void mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
Definition: mxfenc.c:1180
static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m)
Definition: mxfenc.c:1240
int signal_standard
Definition: mxfenc.c:324
static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
Definition: mxfenc.c:556
static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1199
int frame_size
Definition: mxfenc.c:1821
int last_indexed_edit_unit
Definition: mxfenc.c:311
static const AVClass mxf_d10_muxer_class
Definition: mxfenc.c:2698
static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt, MXFIndexEntry *e)
Definition: mxfenc.c:1941
const UID * codec_ul
Definition: mxfenc.c:82
Timecode helpers header.
AVIOContext * pb
I/O context.
Definition: avformat.h:1367
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:182
int samples_per_frame[6]
Definition: mxf.h:75
void av_packet_unref(AVPacket *pkt)
Wipe the packet.
Definition: avpacket.c:563
static void mxf_write_essence_container_refs(AVFormatContext *s)
Definition: mxfenc.c:593
static unsigned int seed
Definition: videogen.c:78
static const UID * mxf_get_mpeg2_codec_ul(AVCodecParameters *par)
Definition: mxfenc.c:1921
AVRational rate
frame rate in rational form
Definition: timecode.h:44
void * buf
Definition: avisynth_c.h:553
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:309
#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.
Definition: mxfenc.c:356
rational number numerator/denominator
Definition: rational.h:43
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:661
static void mxf_write_primer_pack(AVFormatContext *s)
Definition: mxfenc.c:530
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:307
AVRational time_base
Definition: mxfenc.c:305
AVClass * av_class
Definition: mxfenc.c:302
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:879
static const uint8_t uuid_base[]
Definition: mxfenc.c:330
int channel_count
Definition: mxfenc.c:323
Definition: mxf.h:48
#define LIBAVFORMAT_VERSION
Definition: version.h:41
void avio_wb16(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:452
static av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
Definition: rational.h:133
static int flags
Definition: cpu.c:47
static const MXFContainerEssenceEntry mxf_essence_container_uls[]
Definition: mxfenc.c:123
enum AVChromaLocation ff_choose_chroma_location(AVFormatContext *s, AVStream *st)
Chooses a timebase for muxing the specified stream.
Definition: mux.c:118
static const MXFLocalTagPair mxf_user_comments_local_tag[]
Definition: mxfenc.c:449
static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
Definition: mxfenc.c:2585
int sample_rate
Audio only.
Definition: avcodec.h:4049
int64_t footer_partition_offset
Definition: mxfenc.c:303
static const uint8_t smpte_12m_timecode_track_data_ul[]
Definition: mxfenc.c:825
Main libavformat public API header.
static void mxf_write_identification(AVFormatContext *s)
Definition: mxfenc.c:715
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:2640
static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type, const char *package_name)
Definition: mxfenc.c:1258
common internal api header.
struct AVPacketList * next
Definition: avformat.h:1934
if(ret< 0)
Definition: vf_mcdeint.c:282
static const uint8_t footer_partition_key[]
Definition: mxfenc.c:338
static int mxf_write_essence_container_data(AVFormatContext *s)
Definition: mxfenc.c:1345
static void write_metadata(AVFormatContext *s, unsigned int ts)
Definition: flvenc.c:206
static double c[64]
int profile
Codec-specific bitstream restrictions that the stream conforms to.
Definition: avcodec.h:3999
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:45
#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:578
int field_dominance
tff=1, bff=2
Definition: mxfenc.c:85
static const AVOption d10_options[]
Definition: mxfenc.c:2689
struct AVPacketList * packet_buffer_end
Definition: internal.h:79
int last_key_index
index of last key frame
Definition: mxfenc.c:314
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:1133
void * priv_data
Format private data.
Definition: avformat.h:1353
static void mxf_gen_umid(AVFormatContext *s)
Definition: mxfenc.c:2013
static void write_header(FFV1Context *f)
Definition: ffv1enc.c:498
uint8_t umid[16]
unique material identifier
Definition: mxfenc.c:322
static void mxf_write_multi_descriptor(AVFormatContext *s)
Definition: mxfenc.c:943
static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1194
int channels
Audio only.
Definition: avcodec.h:4045
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
Definition: avcodec.h:1587
static const struct @203 mxf_h264_codec_uls[]
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:354
FILE * out
Definition: movenc.c:54
#define av_freep(p)
static const AVOption opatom_options[]
Definition: mxfenc.c:2705
void INT64 start
Definition: avisynth_c.h:553
#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:308
uint32_t av_get_random_seed(void)
Get a seed to use in conjunction with random functions.
Definition: random_seed.c:114
static void mxf_write_sequence(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
Definition: mxfenc.c:851
MPEG-1 4:2:0, JPEG 4:2:0, H.263 4:2:0.
Definition: pixfmt.h:481
AVCodecParameters * codecpar
Definition: avformat.h:1228
UID uid
Definition: mxf.h:68
int stream_index
Definition: avcodec.h:1590
static const uint8_t opatom_ul[]
Definition: mxfenc.c:337
#define DESCRIPTOR_COUNT(essence_container_count)
Definition: mxfenc.c:590
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avformat.h:913
static struct @230 state
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:2361
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:1110
Definition: h264.h:122
static void mxf_write_umid(AVFormatContext *s, int type)
Definition: mxfenc.c:462
This structure stores compressed data.
Definition: avcodec.h:1565
static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:1744
static int write_packet(AVFormatContext *s1, AVPacket *pkt)
Definition: v4l2enc.c:86
int essence_container_count
Definition: mxfenc.c:304
static int mxf_write_tagged_value(AVFormatContext *s, const char *name, const char *value)
Definition: mxfenc.c:1211
void * av_mallocz(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
Definition: mem.c:252
static const uint8_t random_index_pack_key[]
Definition: mxfenc.c:341
static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1204
static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
Definition: mxfenc.c:2649
struct AVPacketList * last_in_packet_buffer
last packet in packet_buffer for this stream when muxing.
Definition: avformat.h:1069
AVTimecode tc
timecode context
Definition: mxfenc.c:316
static int mxf_write_footer(AVFormatContext *s)
Definition: mxfenc.c:2522
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:2750