FFmpeg  2.8.15
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Modules Pages
mxfenc.c
Go to the documentation of this file.
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  * signal_standard, color_siting, store_user_comments and klv_fill_key version
23  * fixes sponsored by NOA GmbH
24  */
25 
26 /*
27  * References
28  * SMPTE 336M KLV Data Encoding Protocol Using Key-Length-Value
29  * SMPTE 377M MXF File Format Specifications
30  * SMPTE 379M MXF Generic Container
31  * SMPTE 381M Mapping MPEG Streams into the MXF Generic Container
32  * SMPTE 422M Mapping JPEG 2000 Codestreams into the MXF Generic Container
33  * SMPTE RP210: SMPTE Metadata Dictionary
34  * SMPTE RP224: Registry of SMPTE Universal Labels
35  */
36 
37 #include <inttypes.h>
38 #include <math.h>
39 #include <time.h>
40 
41 #include "libavutil/opt.h"
42 #include "libavutil/random_seed.h"
43 #include "libavutil/timecode.h"
44 #include "libavutil/avassert.h"
45 #include "libavutil/pixdesc.h"
47 #include "libavcodec/bytestream.h"
48 #include "libavcodec/dnxhddata.h"
49 #include "libavcodec/h264.h"
50 #include "libavcodec/internal.h"
51 #include "audiointerleave.h"
52 #include "avformat.h"
53 #include "avio_internal.h"
54 #include "internal.h"
55 #include "mxf.h"
56 #include "config.h"
57 
60 
61 #define EDIT_UNITS_PER_BODY 250
62 #define KAG_SIZE 512
63 
64 typedef struct MXFLocalTagPair {
65  int local_tag;
68 
69 typedef struct MXFIndexEntry {
71  uint64_t offset;
72  unsigned slice_offset; ///< offset of audio slice
73  uint16_t temporal_ref;
75 
76 typedef struct MXFStreamContext {
79  int index; ///< index in mxf_essence_container_uls table
80  const UID *codec_ul;
81  int order; ///< interleaving order if dts are equal
82  int interlaced; ///< whether picture is interlaced
83  int field_dominance; ///< tff=1, bff=2
89  AVRational aspect_ratio; ///< display aspect ratio
90  int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
93 
94 typedef struct MXFContainerEssenceEntry {
100 
101 static const struct {
102  enum AVCodecID id;
103  int index;
104 } mxf_essence_mappings[] = {
105  { AV_CODEC_ID_MPEG2VIDEO, 0 },
106  { AV_CODEC_ID_PCM_S24LE, 1 },
107  { AV_CODEC_ID_PCM_S16LE, 1 },
108  { AV_CODEC_ID_DVVIDEO, 15 },
109  { AV_CODEC_ID_DNXHD, 24 },
110  { AV_CODEC_ID_JPEG2000, 34 },
111  { AV_CODEC_ID_H264, 35 },
112  { AV_CODEC_ID_NONE }
113 };
114 
115 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
116 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
118 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
120 
122  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
123  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
124  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
126  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
127  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
128  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
130  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
131  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
132  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
134  // D-10 625/50 PAL 50mb/s
135  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
136  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
137  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
139  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
140  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
141  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
143  // D-10 525/60 NTSC 50mb/s
144  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
145  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
146  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 },
148  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
149  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
150  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
152  // D-10 625/50 PAL 40mb/s
153  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
154  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
155  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 },
157  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
158  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
159  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
161  // D-10 525/60 NTSC 40mb/s
162  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
163  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
164  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 },
166  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
167  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
168  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
170  // D-10 625/50 PAL 30mb/s
171  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
172  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
173  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 },
175  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
176  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
177  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
179  // D-10 525/60 NTSC 30mb/s
180  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
181  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
182  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 },
184  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
185  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
186  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
188  // DV Unknown
189  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
190  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
191  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
193  // DV25 525/60
194  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 },
195  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
196  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
198  // DV25 625/50
199  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 },
200  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
201  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 },
203  // DV50 525/60
204  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 },
205  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
206  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 },
208  // DV50 625/50
209  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 },
210  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
211  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 },
213  // DV100 1080/60
214  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 },
215  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
216  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 },
218  // DV100 1080/50
219  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 },
220  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
221  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 },
223  // DV100 720/60
224  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 },
225  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
226  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 },
228  // DV100 720/50
229  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 },
230  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
231  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 },
233  // DNxHD 1080p 10bit high
234  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
235  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
236  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
238  // DNxHD 1080p 8bit medium
239  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
240  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
241  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 },
243  // DNxHD 1080p 8bit high
244  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
245  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
246  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 },
248  // DNxHD 1080i 10bit high
249  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
250  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
251  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 },
253  // DNxHD 1080i 8bit medium
254  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
255  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
256  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 },
258  // DNxHD 1080i 8bit high
259  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
260  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
261  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 },
263  // DNxHD 720p 10bit
264  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
265  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
266  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 },
268  // DNxHD 720p 8bit high
269  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
270  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
271  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 },
273  // DNxHD 720p 8bit medium
274  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
275  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
276  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 },
278  // DNxHD 720p 8bit low
279  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
280  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
281  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 },
283  // JPEG2000
284  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
285  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
286  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 },
288  // H.264
289  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 },
290  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
291  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
293  { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
294  { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
295  { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
296  NULL },
297 };
298 
299 typedef struct MXFContext {
307  uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
308  uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
312  int last_key_index; ///< index of last key frame
313  uint64_t duration;
314  AVTimecode tc; ///< timecode context
316  int timecode_base; ///< rounded time code base (25 or 30)
317  int edit_unit_byte_count; ///< fixed edit unit byte count
318  uint64_t body_offset;
319  uint32_t instance_number;
320  uint8_t umid[16]; ///< unique material identifier
326 } MXFContext;
327 
328 static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
329 static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
330 
331 /**
332  * complete key for operation pattern, partitions, and primer pack
333  */
334 static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
335 static const uint8_t opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 };
336 static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
337 static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
338 static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
339 static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
340 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
341 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
342 static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
343 static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
344 
345 /**
346  * partial key for header metadata
347  */
348 static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
349 static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
350 
351 /**
352  * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
353  */
355  // preface set
356  { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
357  { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
358  { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
359  { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
360  { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
361  { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
362  { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
363  { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
364  // Identification
365  { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
366  { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
367  { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
368  { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
369  { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
370  { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
371  // Content Storage
372  { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
373  { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
374  // Essence Container Data
375  { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
376  { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
377  // Package
378  { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
379  { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
380  { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
381  { 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */
382  { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
383  { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
384  // Track
385  { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
386  { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
387  { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
388  { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
389  { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
390  // Sequence
391  { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
392  { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
393  { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
394  // Source Clip
395  { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
396  { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
397  { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
398  // Timecode Component
399  { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
400  { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
401  { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
402  // File Descriptor
403  { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
404  { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
405  { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
406  { 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */
407  { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
408  // Generic Picture Essence Descriptor
409  { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
410  { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
411  { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
412  { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
413  { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
414  { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
415  { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */
416  { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
417  { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
418  { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
419  { 0x3215, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x05,0x01,0x13,0x00,0x00,0x00,0x00}}, /* Signal Standard */
420  // CDCI Picture Essence Descriptor
421  { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
422  { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
423  { 0x3303, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x06,0x00,0x00,0x00}}, /* Color Siting */
424  // Generic Sound Essence Descriptor
425  { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
426  { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
427  { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
428  { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
429  { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
430  // Index Table Segment
431  { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
432  { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
433  { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
434  { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
435  { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
436  { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
437  { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
438  { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
439  // MPEG video Descriptor
440  { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
441  { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
442  // Wave Audio Essence Descriptor
443  { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
444  { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
445 };
446 
448  { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */
449  { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */
450  { 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */
451 };
452 
454 {
455  avio_write(pb, uuid_base, 12);
456  avio_wb16(pb, type);
457  avio_wb16(pb, value);
458 }
459 
461 {
462  MXFContext *mxf = s->priv_data;
463  avio_write(s->pb, umid_ul, 13);
464  avio_wb24(s->pb, mxf->instance_number);
465  avio_write(s->pb, mxf->umid, 15);
466  avio_w8(s->pb, type);
467 }
468 
469 static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
470 {
471  avio_wb32(pb, ref_count);
472  avio_wb32(pb, 16);
473 }
474 
475 static int klv_ber_length(uint64_t len)
476 {
477  if (len < 128)
478  return 1;
479  else
480  return (av_log2(len) >> 3) + 2;
481 }
482 
483 static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
484 {
485  // Determine the best BER size
486  int size;
487  if (len < 128) {
488  //short form
489  avio_w8(pb, len);
490  return 1;
491  }
492 
493  size = (av_log2(len) >> 3) + 1;
494 
495  // long form
496  avio_w8(pb, 0x80 + size);
497  while(size) {
498  size--;
499  avio_w8(pb, len >> 8 * size & 0xff);
500  }
501  return 0;
502 }
503 
505 {
506  avio_w8(pb, 0x80 + 3);
507  avio_wb24(pb, len);
508 }
509 
510 static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
511 {
512  avio_w8(pb, 0x80 + 8);
513  avio_wb64(pb, len);
514 }
515 
516 /*
517  * Get essence container ul index
518  */
520 {
521  int i;
522  for (i = 0; mxf_essence_mappings[i].id; i++)
523  if (mxf_essence_mappings[i].id == id)
524  return mxf_essence_mappings[i].index;
525  return -1;
526 }
527 
529 {
530  MXFContext *mxf = s->priv_data;
531  AVIOContext *pb = s->pb;
532  int local_tag_number, i = 0;
533 
534  local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch);
535  local_tag_number += mxf->store_user_comments * FF_ARRAY_ELEMS(mxf_user_comments_local_tag);
536 
537  avio_write(pb, primer_pack_key, 16);
538  klv_encode_ber_length(pb, local_tag_number * 18 + 8);
539 
540  avio_wb32(pb, local_tag_number); // local_tag num
541  avio_wb32(pb, 18); // item size, always 18 according to the specs
542 
543  for (i = 0; i < FF_ARRAY_ELEMS(mxf_local_tag_batch); i++) {
544  avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
545  avio_write(pb, mxf_local_tag_batch[i].uid, 16);
546  }
547  if (mxf->store_user_comments)
548  for (i = 0; i < FF_ARRAY_ELEMS(mxf_user_comments_local_tag); i++) {
549  avio_wb16(pb, mxf_user_comments_local_tag[i].local_tag);
550  avio_write(pb, mxf_user_comments_local_tag[i].uid, 16);
551  }
552 }
553 
554 static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
555 {
556  avio_wb16(pb, tag);
557  avio_wb16(pb, size);
558 }
559 
560 static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
561 {
563  avio_wb24(pb, value);
564 }
565 
567 {
568  int i;
569 
570  for (i = 0; i < s->nb_streams; i++) {
571  AVStream *st = s->streams[i];
572  av_freep(&st->priv_data);
573  }
574 }
575 
577 {
579  while (uls->uid[0]) {
580  if (type == uls->id)
581  break;
582  uls++;
583  }
584  return uls;
585 }
586 
587 //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
588 #define DESCRIPTOR_COUNT(essence_container_count) \
589  (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
590 
592 {
593  MXFContext *c = s->priv_data;
594  AVIOContext *pb = s->pb;
595  int i;
596 
598  av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
599  for (i = 0; i < c->essence_container_count; i++) {
600  MXFStreamContext *sc = s->streams[i]->priv_data;
601  avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
602  }
603 
604  if (c->essence_container_count > 1)
605  avio_write(pb, multiple_desc_ul, 16);
606 }
607 
609 {
610  MXFContext *mxf = s->priv_data;
611  AVIOContext *pb = s->pb;
612 
613  mxf_write_metadata_key(pb, 0x012f00);
614  PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
616 
617  // write preface set uid
618  mxf_write_local_tag(pb, 16, 0x3C0A);
619  mxf_write_uuid(pb, Preface, 0);
620  PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
621 
622  // last modified date
623  mxf_write_local_tag(pb, 8, 0x3B02);
624  avio_wb64(pb, mxf->timestamp);
625 
626  // write version
627  mxf_write_local_tag(pb, 2, 0x3B05);
628  avio_wb16(pb, 258); // v1.2
629 
630  // write identification_refs
631  mxf_write_local_tag(pb, 16 + 8, 0x3B06);
632  mxf_write_refs_count(pb, 1);
634 
635  // write content_storage_refs
636  mxf_write_local_tag(pb, 16, 0x3B03);
638 
639  // operational pattern
640  mxf_write_local_tag(pb, 16, 0x3B09);
641  if (s->oformat == &ff_mxf_opatom_muxer)
642  avio_write(pb, opatom_ul, 16);
643  else
644  avio_write(pb, op1a_ul, 16);
645 
646  // write essence_container_refs
647  mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A);
649 
650  // write dm_scheme_refs
651  mxf_write_local_tag(pb, 8, 0x3B0B);
652  avio_wb64(pb, 0);
653 }
654 
655 /*
656  * Returns the length of the UTF-16 string, in 16-bit characters, that would result
657  * from decoding the utf-8 string.
658  */
659 static uint64_t mxf_utf16len(const char *utf8_str)
660 {
661  const uint8_t *q = utf8_str;
662  uint64_t size = 0;
663  while (*q) {
664  uint32_t ch;
665  GET_UTF8(ch, *q++, goto invalid;)
666  if (ch < 0x10000)
667  size++;
668  else
669  size += 2;
670  continue;
671 invalid:
672  av_log(NULL, AV_LOG_ERROR, "Invaid UTF8 sequence in mxf_utf16len\n\n");
673  }
674  size += 1;
675  return size;
676 }
677 
678 /*
679  * Returns the calculated length a local tag containing an utf-8 string as utf-16
680  */
681 static int mxf_utf16_local_tag_length(const char *utf8_str)
682 {
683  uint64_t size;
684 
685  if (!utf8_str)
686  return 0;
687 
688  size = mxf_utf16len(utf8_str);
689  if (size >= UINT16_MAX/2) {
690  av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
691  return 0;
692  }
693 
694  return 4 + size * 2;
695 }
696 
697 /*
698  * Write a local tag containing an utf-8 string as utf-16
699  */
700 static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
701 {
702  uint64_t size = mxf_utf16len(value);
703 
704  if (size >= UINT16_MAX/2) {
705  av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
706  return;
707  }
708 
709  mxf_write_local_tag(pb, size*2, tag);
710  avio_put_str16be(pb, value);
711 }
712 
714 {
715  MXFContext *mxf = s->priv_data;
716  AVIOContext *pb = s->pb;
717  const char *company = "FFmpeg";
718  const char *product = s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer";
719  const char *version;
720  int length;
721 
722  mxf_write_metadata_key(pb, 0x013000);
723  PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
724 
725  version = s->flags & AVFMT_FLAG_BITEXACT ?
727  length = 72 + mxf_utf16_local_tag_length(company) +
728  mxf_utf16_local_tag_length(product) +
730  klv_encode_ber_length(pb, length);
731 
732  // write uid
733  mxf_write_local_tag(pb, 16, 0x3C0A);
735  PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
736 
737  // write generation uid
738  mxf_write_local_tag(pb, 16, 0x3C09);
740  mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
741  mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
742  mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
743 
744  // write product uid
745  mxf_write_local_tag(pb, 16, 0x3C05);
747 
748  // modification date
749  mxf_write_local_tag(pb, 8, 0x3C06);
750  avio_wb64(pb, mxf->timestamp);
751 }
752 
754 {
755  AVIOContext *pb = s->pb;
756 
757  mxf_write_metadata_key(pb, 0x011800);
758  PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
759  klv_encode_ber_length(pb, 92);
760 
761  // write uid
762  mxf_write_local_tag(pb, 16, 0x3C0A);
764  PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
765 
766  // write package reference
767  mxf_write_local_tag(pb, 16 * 2 + 8, 0x1901);
768  mxf_write_refs_count(pb, 2);
771 
772  // write essence container data
773  mxf_write_local_tag(pb, 8 + 16, 0x1902);
774  mxf_write_refs_count(pb, 1);
776 }
777 
779 {
780  MXFContext *mxf = s->priv_data;
781  AVIOContext *pb = s->pb;
782  MXFStreamContext *sc = st->priv_data;
783 
784  mxf_write_metadata_key(pb, 0x013b00);
785  PRINT_KEY(s, "track key", pb->buf_ptr - 16);
786  klv_encode_ber_length(pb, 80);
787 
788  // write track uid
789  mxf_write_local_tag(pb, 16, 0x3C0A);
790  mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, st->index);
791  PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
792 
793  // write track id
794  mxf_write_local_tag(pb, 4, 0x4801);
795  avio_wb32(pb, st->index+2);
796 
797  // write track number
798  mxf_write_local_tag(pb, 4, 0x4804);
799  if (type == MaterialPackage)
800  avio_wb32(pb, 0); // track number of material package is 0
801  else
802  avio_write(pb, sc->track_essence_element_key + 12, 4);
803 
804  mxf_write_local_tag(pb, 8, 0x4B01);
805 
806  if (st == mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer){
807  avio_wb32(pb, mxf->tc.rate.num);
808  avio_wb32(pb, mxf->tc.rate.den);
809  } else {
810  avio_wb32(pb, mxf->time_base.den);
811  avio_wb32(pb, mxf->time_base.num);
812  }
813 
814  // write origin
815  mxf_write_local_tag(pb, 8, 0x4B02);
816  avio_wb64(pb, 0);
817 
818  // write sequence refs
819  mxf_write_local_tag(pb, 16, 0x4803);
821 }
822 
823 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 };
824 
826 {
827  MXFContext *mxf = s->priv_data;
828  AVIOContext *pb = s->pb;
829 
830  // find data define uls
831  mxf_write_local_tag(pb, 16, 0x0201);
832  if (st == mxf->timecode_track)
834  else {
835  const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codec->codec_type);
836  avio_write(pb, data_def_ul->uid, 16);
837  }
838 
839  // write duration
840  mxf_write_local_tag(pb, 8, 0x0202);
841 
842  if (st != mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer && st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
843  avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
844  } else {
845  avio_wb64(pb, mxf->duration);
846  }
847 }
848 
850 {
851  MXFContext *mxf = s->priv_data;
852  AVIOContext *pb = s->pb;
853  enum MXFMetadataSetType component;
854 
855  mxf_write_metadata_key(pb, 0x010f00);
856  PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
857  klv_encode_ber_length(pb, 80);
858 
859  mxf_write_local_tag(pb, 16, 0x3C0A);
861 
862  PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
864 
865  // write structural component
866  mxf_write_local_tag(pb, 16 + 8, 0x1001);
867  mxf_write_refs_count(pb, 1);
868  if (st == mxf->timecode_track)
869  component = TimecodeComponent;
870  else
871  component = SourceClip;
872  if (type == SourcePackage)
873  component += TypeBottom;
874  mxf_write_uuid(pb, component, st->index);
875 }
876 
878 {
879  MXFContext *mxf = s->priv_data;
880  AVIOContext *pb = s->pb;
881 
882  mxf_write_metadata_key(pb, 0x011400);
883  klv_encode_ber_length(pb, 75);
884 
885  // UID
886  mxf_write_local_tag(pb, 16, 0x3C0A);
889 
891 
892  // Start Time Code
893  mxf_write_local_tag(pb, 8, 0x1501);
894  avio_wb64(pb, mxf->tc.start);
895 
896  // Rounded Time Code Base
897  mxf_write_local_tag(pb, 2, 0x1502);
898  avio_wb16(pb, mxf->timecode_base);
899 
900  // Drop Frame
901  mxf_write_local_tag(pb, 1, 0x1503);
902  avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
903 }
904 
906 {
907  AVIOContext *pb = s->pb;
908  int i;
909 
910  mxf_write_metadata_key(pb, 0x011100);
911  PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
912  klv_encode_ber_length(pb, 108);
913 
914  // write uid
915  mxf_write_local_tag(pb, 16, 0x3C0A);
917 
918  PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
920 
921  // write start_position
922  mxf_write_local_tag(pb, 8, 0x1201);
923  avio_wb64(pb, 0);
924 
925  // write source package uid, end of the reference
926  mxf_write_local_tag(pb, 32, 0x1101);
927  if (type == SourcePackage) {
928  for (i = 0; i < 4; i++)
929  avio_wb64(pb, 0);
930  } else
931  mxf_write_umid(s, 1);
932 
933  // write source track id
934  mxf_write_local_tag(pb, 4, 0x1102);
935  if (type == SourcePackage)
936  avio_wb32(pb, 0);
937  else
938  avio_wb32(pb, st->index+2);
939 }
940 
942 {
943  MXFContext *mxf = s->priv_data;
944  AVIOContext *pb = s->pb;
945  const uint8_t *ul;
946  int i;
947 
948  mxf_write_metadata_key(pb, 0x014400);
949  PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
950  klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
951 
952  mxf_write_local_tag(pb, 16, 0x3C0A);
954  PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
955 
956  // write sample rate
957  mxf_write_local_tag(pb, 8, 0x3001);
958  avio_wb32(pb, mxf->time_base.den);
959  avio_wb32(pb, mxf->time_base.num);
960 
961  // write essence container ul
962  mxf_write_local_tag(pb, 16, 0x3004);
963  if (mxf->essence_container_count > 1)
964  ul = multiple_desc_ul;
965  else {
966  MXFStreamContext *sc = s->streams[0]->priv_data;
967  ul = mxf_essence_container_uls[sc->index].container_ul;
968  }
969  avio_write(pb, ul, 16);
970 
971  // write sub descriptor refs
972  mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01);
974  for (i = 0; i < s->nb_streams; i++)
976 }
977 
978 static void mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
979 {
980  MXFContext *mxf = s->priv_data;
981  MXFStreamContext *sc = st->priv_data;
982  AVIOContext *pb = s->pb;
983 
984  avio_write(pb, key, 16);
985  klv_encode_ber4_length(pb, size+20+8+12+20);
986 
987  mxf_write_local_tag(pb, 16, 0x3C0A);
989 
990  mxf_write_local_tag(pb, 4, 0x3006);
991  avio_wb32(pb, st->index+2);
992 
993  mxf_write_local_tag(pb, 8, 0x3001);
994  avio_wb32(pb, mxf->time_base.den);
995  avio_wb32(pb, mxf->time_base.num);
996 
997  mxf_write_local_tag(pb, 16, 0x3004);
998  avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
999 }
1000 
1001 static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
1002 static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
1003 static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
1004 static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
1005 static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
1006 
1007 static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1008 {
1009  MXFStreamContext *sc = st->priv_data;
1010  AVIOContext *pb = s->pb;
1011  int stored_height = (st->codec->height+15)/16*16;
1012  int display_height;
1013  int f1, f2;
1014  unsigned desc_size = size+8+8+8+8+8+8+8+5+16+sc->interlaced*4+12+20+5;
1015  if (sc->interlaced && sc->field_dominance)
1016  desc_size += 5;
1017  if (sc->signal_standard)
1018  desc_size += 5;
1019 
1020  mxf_write_generic_desc(s, st, key, desc_size);
1021 
1022  mxf_write_local_tag(pb, 4, 0x3203);
1023  avio_wb32(pb, st->codec->width);
1024 
1025  mxf_write_local_tag(pb, 4, 0x3202);
1026  avio_wb32(pb, stored_height>>sc->interlaced);
1027 
1028  mxf_write_local_tag(pb, 4, 0x3209);
1029  avio_wb32(pb, st->codec->width);
1030 
1031  if (st->codec->height == 608) // PAL + VBI
1032  display_height = 576;
1033  else if (st->codec->height == 512) // NTSC + VBI
1034  display_height = 486;
1035  else
1036  display_height = st->codec->height;
1037 
1038  mxf_write_local_tag(pb, 4, 0x3208);
1039  avio_wb32(pb, display_height>>sc->interlaced);
1040 
1041  // presentation Y offset
1042  mxf_write_local_tag(pb, 4, 0x320B);
1043  avio_wb32(pb, (st->codec->height - display_height)>>sc->interlaced);
1044 
1045  // component depth
1046  mxf_write_local_tag(pb, 4, 0x3301);
1047  avio_wb32(pb, sc->component_depth);
1048 
1049  // horizontal subsampling
1050  mxf_write_local_tag(pb, 4, 0x3302);
1051  avio_wb32(pb, sc->h_chroma_sub_sample);
1052 
1053  // color siting
1054  mxf_write_local_tag(pb, 1, 0x3303);
1055  avio_w8(pb, sc->color_siting);
1056 
1057  if (sc->signal_standard) {
1058  mxf_write_local_tag(pb, 1, 0x3215);
1059  avio_w8(pb, sc->signal_standard);
1060  }
1061 
1062  // frame layout
1063  mxf_write_local_tag(pb, 1, 0x320C);
1064  avio_w8(pb, sc->interlaced);
1065 
1066  // video line map
1067  switch (st->codec->height) {
1068  case 576: f1 = 23; f2 = st->codec->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break;
1069  case 608: f1 = 7; f2 = 320; break;
1070  case 480: f1 = 20; f2 = st->codec->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
1071  case 512: f1 = 7; f2 = 270; break;
1072  case 720: f1 = 26; f2 = 0; break; // progressive
1073  case 1080: f1 = 21; f2 = 584; break;
1074  default: f1 = 0; f2 = 0; break;
1075  }
1076 
1077  if (!sc->interlaced) {
1078  f2 = 0;
1079  f1 *= 2;
1080  }
1081 
1082  mxf_write_local_tag(pb, 12+sc->interlaced*4, 0x320D);
1083  avio_wb32(pb, sc->interlaced ? 2 : 1);
1084  avio_wb32(pb, 4);
1085  avio_wb32(pb, f1);
1086  if (sc->interlaced)
1087  avio_wb32(pb, f2);
1088 
1089  mxf_write_local_tag(pb, 8, 0x320E);
1090  avio_wb32(pb, sc->aspect_ratio.num);
1091  avio_wb32(pb, sc->aspect_ratio.den);
1092 
1093  mxf_write_local_tag(pb, 16, 0x3201);
1094  avio_write(pb, *sc->codec_ul, 16);
1095 
1096  if (sc->interlaced && sc->field_dominance) {
1097  mxf_write_local_tag(pb, 1, 0x3212);
1098  avio_w8(pb, sc->field_dominance);
1099  }
1100 
1101 }
1102 
1104 {
1106 }
1107 
1109 {
1110  AVIOContext *pb = s->pb;
1111  MXFStreamContext *sc = st->priv_data;
1112  int profile_and_level = (st->codec->profile<<4) | st->codec->level;
1113 
1114  if (st->codec->codec_id != AV_CODEC_ID_H264) {
1116 
1117  // bit rate
1118  mxf_write_local_tag(pb, 4, 0x8000);
1119  avio_wb32(pb, sc->video_bit_rate);
1120 
1121  // profile and level
1122  mxf_write_local_tag(pb, 1, 0x8007);
1123  if (!st->codec->profile)
1124  profile_and_level |= 0x80; // escape bit
1125  avio_w8(pb, profile_and_level);
1126  } else {
1128  }
1129 }
1130 
1131 static void mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1132 {
1133  AVIOContext *pb = s->pb;
1134  MXFContext *mxf = s->priv_data;
1135  int show_warnings = !mxf->footer_partition_offset;
1136  int duration_size = 0;
1137 
1138  if (s->oformat == &ff_mxf_opatom_muxer)
1139  duration_size = 12;
1140 
1141  mxf_write_generic_desc(s, st, key, size+duration_size+5+12+8+8);
1142 
1143  if (duration_size > 0){
1144  mxf_write_local_tag(pb, 8, 0x3002);
1145  avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
1146  }
1147 
1148  // audio locked
1149  mxf_write_local_tag(pb, 1, 0x3D02);
1150  avio_w8(pb, 1);
1151 
1152  // write audio sampling rate
1153  mxf_write_local_tag(pb, 8, 0x3D03);
1154  avio_wb32(pb, st->codec->sample_rate);
1155  avio_wb32(pb, 1);
1156 
1157  mxf_write_local_tag(pb, 4, 0x3D07);
1158  if (mxf->channel_count == -1) {
1159  if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codec->channels != 4) && (st->codec->channels != 8))
1160  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");
1161  avio_wb32(pb, st->codec->channels);
1162  } else if (s->oformat == &ff_mxf_d10_muxer) {
1163  if (show_warnings && (mxf->channel_count < st->codec->channels))
1164  av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1165  if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1166  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");
1167  avio_wb32(pb, mxf->channel_count);
1168  } else {
1169  if (show_warnings && mxf->channel_count != -1 && s->oformat != &ff_mxf_opatom_muxer)
1170  av_log(s, AV_LOG_ERROR, "-d10_channelcount requires MXF D-10 and will be ignored\n");
1171  avio_wb32(pb, st->codec->channels);
1172  }
1173 
1174  mxf_write_local_tag(pb, 4, 0x3D01);
1176 }
1177 
1178 static void mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1179 {
1180  AVIOContext *pb = s->pb;
1181 
1182  mxf_write_generic_sound_common(s, st, key, size+6+8);
1183 
1184  mxf_write_local_tag(pb, 2, 0x3D0A);
1185  avio_wb16(pb, st->codec->block_align);
1186 
1187  // avg bytes per sec
1188  mxf_write_local_tag(pb, 4, 0x3D09);
1189  avio_wb32(pb, st->codec->block_align*st->codec->sample_rate);
1190 }
1191 
1193 {
1195 }
1196 
1198 {
1200 }
1201 
1203 {
1205 }
1206 
1207 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 };
1208 
1209 static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value)
1210 {
1211  MXFContext *mxf = s->priv_data;
1212  AVIOContext *pb = s->pb;
1213  int name_size = mxf_utf16_local_tag_length(name);
1214  int indirect_value_size = 13 + mxf_utf16_local_tag_length(value);
1215 
1216  if (!name_size || indirect_value_size == 13)
1217  return 1;
1218 
1219  mxf_write_metadata_key(pb, 0x013f00);
1220  klv_encode_ber_length(pb, 24 + name_size + indirect_value_size);
1221 
1222  // write instance UID
1223  mxf_write_local_tag(pb, 16, 0x3C0A);
1225 
1226  // write name
1227  mxf_write_local_tag_utf16(pb, 0x5001, name); // Name
1228 
1229  // write indirect value
1230  mxf_write_local_tag(pb, indirect_value_size, 0x5003);
1232  avio_put_str16le(pb, value);
1233 
1234  mxf->tagged_value_count++;
1235  return 0;
1236 }
1237 
1239 {
1240  MXFContext *mxf = s->priv_data;
1241  AVDictionaryEntry *t = NULL;
1242  int count = 0;
1243 
1244  while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) {
1245  if (mxf->tagged_value_count >= UINT16_MAX) {
1246  av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n");
1247  return count;
1248  }
1249 
1250  if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0)
1251  count++;
1252  }
1253  return count;
1254 }
1255 
1256 static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type, const char *package_name)
1257 {
1258  MXFContext *mxf = s->priv_data;
1259  AVIOContext *pb = s->pb;
1260  int i, track_count = s->nb_streams+1;
1261  int name_size = mxf_utf16_local_tag_length(package_name);
1262  int user_comment_count = 0;
1263 
1264  if (type == MaterialPackage) {
1265  if (mxf->store_user_comments)
1266  user_comment_count = mxf_write_user_comments(s, s->metadata);
1267  mxf_write_metadata_key(pb, 0x013600);
1268  PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1269  klv_encode_ber_length(pb, 92 + name_size + (16*track_count) + (16*user_comment_count) + 12LL*mxf->store_user_comments);
1270  } else {
1271  mxf_write_metadata_key(pb, 0x013700);
1272  PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1273  klv_encode_ber_length(pb, 112 + name_size + (16*track_count) + 12LL*mxf->store_user_comments); // 20 bytes length for descriptor reference
1274  }
1275 
1276  // write uid
1277  mxf_write_local_tag(pb, 16, 0x3C0A);
1278  mxf_write_uuid(pb, type, 0);
1279  av_log(s,AV_LOG_DEBUG, "package type:%d\n", type);
1280  PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1281 
1282  // write package umid
1283  mxf_write_local_tag(pb, 32, 0x4401);
1284  mxf_write_umid(s, type == SourcePackage);
1285  PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1286 
1287  // package name
1288  if (name_size)
1289  mxf_write_local_tag_utf16(pb, 0x4402, package_name);
1290 
1291  // package creation date
1292  mxf_write_local_tag(pb, 8, 0x4405);
1293  avio_wb64(pb, mxf->timestamp);
1294 
1295  // package modified date
1296  mxf_write_local_tag(pb, 8, 0x4404);
1297  avio_wb64(pb, mxf->timestamp);
1298 
1299  // write track refs
1300  mxf_write_local_tag(pb, track_count*16 + 8, 0x4403);
1301  mxf_write_refs_count(pb, track_count);
1302  mxf_write_uuid(pb, type == MaterialPackage ? Track :
1303  Track + TypeBottom, -1); // timecode track
1304  for (i = 0; i < s->nb_streams; i++)
1305  mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, i);
1306 
1307  // write user comment refs
1308  if (mxf->store_user_comments) {
1309  mxf_write_local_tag(pb, user_comment_count*16 + 8, 0x4406);
1310  mxf_write_refs_count(pb, user_comment_count);
1311  for (i = 0; i < user_comment_count; i++)
1312  mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i);
1313  }
1314 
1315  // write multiple descriptor reference
1316  if (type == SourcePackage) {
1317  mxf_write_local_tag(pb, 16, 0x4701);
1318  if (s->nb_streams > 1) {
1321  } else
1322  mxf_write_uuid(pb, SubDescriptor, 0);
1323  }
1324 
1325  // write timecode track
1326  mxf_write_track(s, mxf->timecode_track, type);
1327  mxf_write_sequence(s, mxf->timecode_track, type);
1329 
1330  for (i = 0; i < s->nb_streams; i++) {
1331  AVStream *st = s->streams[i];
1332  mxf_write_track(s, st, type);
1333  mxf_write_sequence(s, st, type);
1334  mxf_write_structural_component(s, st, type);
1335 
1336  if (type == SourcePackage) {
1337  MXFStreamContext *sc = st->priv_data;
1338  mxf_essence_container_uls[sc->index].write_desc(s, st);
1339  }
1340  }
1341 }
1342 
1344 {
1345  AVIOContext *pb = s->pb;
1346 
1347  mxf_write_metadata_key(pb, 0x012300);
1348  klv_encode_ber_length(pb, 72);
1349 
1350  mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID
1352 
1353  mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID
1354  mxf_write_umid(s, 1);
1355 
1356  mxf_write_local_tag(pb, 4, 0x3F07); // BodySID
1357  avio_wb32(pb, 1);
1358 
1359  mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID
1360  avio_wb32(pb, 2);
1361 
1362  return 0;
1363 }
1364 
1366 {
1367  const char *material_package_name = NULL;
1368  const char *file_package_name = NULL;
1369  AVDictionaryEntry *entry = NULL;
1370  AVStream *st = NULL;
1371  int i;
1372 
1373  if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0))
1374  material_package_name = entry->value;
1375 
1376  if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) {
1377  file_package_name = entry->value;
1378  } else {
1379  /* check if any of the streams contain a file_package_name */
1380  for (i = 0; i < s->nb_streams; i++) {
1381  st = s->streams[i];
1382  if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) {
1383  file_package_name = entry->value;
1384  break;
1385  }
1386  }
1387  }
1388 
1389  mxf_write_preface(s);
1392  mxf_write_package(s, MaterialPackage, material_package_name);
1393  mxf_write_package(s, SourcePackage, file_package_name);
1395  return 0;
1396 }
1397 
1398 static unsigned klv_fill_size(uint64_t size)
1399 {
1400  unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1401  if (pad < 20) // smallest fill item possible
1402  return pad + KAG_SIZE;
1403  else
1404  return pad & (KAG_SIZE-1);
1405 }
1406 
1408 {
1409  MXFContext *mxf = s->priv_data;
1410  AVIOContext *pb = s->pb;
1411  int i, j, temporal_reordering = 0;
1412  int key_index = mxf->last_key_index;
1413 
1414  av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1415 
1416  if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1417  return;
1418 
1420 
1421  if (mxf->edit_unit_byte_count) {
1422  klv_encode_ber_length(pb, 80);
1423  } else {
1424  klv_encode_ber_length(pb, 85 + 12+(s->nb_streams+1LL)*6 +
1425  12+mxf->edit_units_count*(11+mxf->slice_count*4LL));
1426  }
1427 
1428  // instance id
1429  mxf_write_local_tag(pb, 16, 0x3C0A);
1431 
1432  // index edit rate
1433  mxf_write_local_tag(pb, 8, 0x3F0B);
1434  avio_wb32(pb, mxf->time_base.den);
1435  avio_wb32(pb, mxf->time_base.num);
1436 
1437  // index start position
1438  mxf_write_local_tag(pb, 8, 0x3F0C);
1440 
1441  // index duration
1442  mxf_write_local_tag(pb, 8, 0x3F0D);
1443  if (mxf->edit_unit_byte_count)
1444  avio_wb64(pb, 0); // index table covers whole container
1445  else
1446  avio_wb64(pb, mxf->edit_units_count);
1447 
1448  // edit unit byte count
1449  mxf_write_local_tag(pb, 4, 0x3F05);
1450  avio_wb32(pb, mxf->edit_unit_byte_count);
1451 
1452  // index sid
1453  mxf_write_local_tag(pb, 4, 0x3F06);
1454  avio_wb32(pb, 2);
1455 
1456  // body sid
1457  mxf_write_local_tag(pb, 4, 0x3F07);
1458  avio_wb32(pb, 1);
1459 
1460  if (!mxf->edit_unit_byte_count) {
1461  // real slice count - 1
1462  mxf_write_local_tag(pb, 1, 0x3F08);
1463  avio_w8(pb, mxf->slice_count);
1464 
1465  // delta entry array
1466  mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
1467  avio_wb32(pb, s->nb_streams+1); // num of entries
1468  avio_wb32(pb, 6); // size of one entry
1469  // write system item delta entry
1470  avio_w8(pb, 0);
1471  avio_w8(pb, 0); // slice entry
1472  avio_wb32(pb, 0); // element delta
1473  for (i = 0; i < s->nb_streams; i++) {
1474  AVStream *st = s->streams[i];
1475  MXFStreamContext *sc = st->priv_data;
1476  avio_w8(pb, sc->temporal_reordering);
1477  if (sc->temporal_reordering)
1478  temporal_reordering = 1;
1479  if (i == 0) { // video track
1480  avio_w8(pb, 0); // slice number
1481  avio_wb32(pb, KAG_SIZE); // system item size including klv fill
1482  } else { // audio track
1483  unsigned audio_frame_size = sc->aic.samples[0]*sc->aic.sample_size;
1484  audio_frame_size += klv_fill_size(audio_frame_size);
1485  avio_w8(pb, 1);
1486  avio_wb32(pb, (i-1)*audio_frame_size); // element delta
1487  }
1488  }
1489 
1490  mxf_write_local_tag(pb, 8 + mxf->edit_units_count*(11+mxf->slice_count*4), 0x3F0A);
1491  avio_wb32(pb, mxf->edit_units_count); // num of entries
1492  avio_wb32(pb, 11+mxf->slice_count*4); // size of one entry
1493 
1494  for (i = 0; i < mxf->edit_units_count; i++) {
1495  int temporal_offset = 0;
1496 
1497  if (!(mxf->index_entries[i].flags & 0x33)) { // I frame
1498  mxf->last_key_index = key_index;
1499  key_index = i;
1500  }
1501 
1502  if (temporal_reordering) {
1503  int pic_num_in_gop = i - key_index;
1504  if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
1505  for (j = key_index; j < mxf->edit_units_count; j++) {
1506  if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
1507  break;
1508  }
1509  if (j == mxf->edit_units_count)
1510  av_log(s, AV_LOG_WARNING, "missing frames\n");
1511  temporal_offset = j - key_index - pic_num_in_gop;
1512  }
1513  }
1514  avio_w8(pb, temporal_offset);
1515 
1516  if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
1517  avio_w8(pb, mxf->last_key_index - i);
1518  } else {
1519  avio_w8(pb, key_index - i); // key frame offset
1520  if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
1521  mxf->last_key_index = key_index;
1522  }
1523 
1524  if (!(mxf->index_entries[i].flags & 0x33) && // I frame
1525  mxf->index_entries[i].flags & 0x40 && !temporal_offset)
1526  mxf->index_entries[i].flags |= 0x80; // random access
1527  avio_w8(pb, mxf->index_entries[i].flags);
1528  // stream offset
1529  avio_wb64(pb, mxf->index_entries[i].offset);
1530  if (s->nb_streams > 1)
1531  avio_wb32(pb, mxf->index_entries[i].slice_offset);
1532  }
1533 
1534  mxf->last_key_index = key_index - mxf->edit_units_count;
1536  mxf->edit_units_count = 0;
1537  }
1538 }
1539 
1541 {
1542  unsigned pad = klv_fill_size(avio_tell(s->pb));
1543  if (pad) {
1544  avio_write(s->pb, klv_fill_key, 16);
1545  pad -= 16 + 4;
1546  klv_encode_ber4_length(s->pb, pad);
1547  ffio_fill(s->pb, 0, pad);
1548  av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
1549  }
1550 }
1551 
1552 static int mxf_write_partition(AVFormatContext *s, int bodysid,
1553  int indexsid,
1554  const uint8_t *key, int write_metadata)
1555 {
1556  MXFContext *mxf = s->priv_data;
1557  AVIOContext *pb = s->pb;
1558  int64_t header_byte_count_offset;
1559  unsigned index_byte_count = 0;
1560  uint64_t partition_offset = avio_tell(pb);
1561  int err;
1562 
1563  if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
1564  index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
1565  12+mxf->edit_units_count*(11+mxf->slice_count*4);
1566  else if (mxf->edit_unit_byte_count && indexsid)
1567  index_byte_count = 80;
1568 
1569  if (index_byte_count) {
1570  // add encoded ber length
1571  index_byte_count += 16 + klv_ber_length(index_byte_count);
1572  index_byte_count += klv_fill_size(index_byte_count);
1573  }
1574 
1575  if (key && !memcmp(key, body_partition_key, 16)) {
1577  sizeof(*mxf->body_partition_offset))) < 0) {
1578  mxf->body_partitions_count = 0;
1579  return err;
1580  }
1581  mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
1582  }
1583 
1584  // write klv
1585  if (key)
1586  avio_write(pb, key, 16);
1587  else
1588  avio_write(pb, body_partition_key, 16);
1589 
1591 
1592  // write partition value
1593  avio_wb16(pb, 1); // majorVersion
1594  avio_wb16(pb, 2); // minorVersion
1595  avio_wb32(pb, KAG_SIZE); // KAGSize
1596 
1597  avio_wb64(pb, partition_offset); // ThisPartition
1598 
1599  if (key && !memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
1600  avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
1601  else if (key && !memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
1602  avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
1603  else
1604  avio_wb64(pb, 0);
1605 
1606  avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
1607 
1608  // set offset
1609  header_byte_count_offset = avio_tell(pb);
1610  avio_wb64(pb, 0); // headerByteCount, update later
1611 
1612  // indexTable
1613  avio_wb64(pb, index_byte_count); // indexByteCount
1614  avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
1615 
1616  // BodyOffset
1617  if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && s->oformat != &ff_mxf_opatom_muxer)
1618  avio_wb64(pb, mxf->body_offset);
1619  else
1620  avio_wb64(pb, 0);
1621 
1622  avio_wb32(pb, bodysid); // bodySID
1623 
1624  // operational pattern
1625  if (s->oformat == &ff_mxf_opatom_muxer)
1626  avio_write(pb, opatom_ul, 16);
1627  else
1628  avio_write(pb, op1a_ul, 16);
1629 
1630  // essence container
1632 
1633  if (write_metadata) {
1634  // mark the start of the headermetadata and calculate metadata size
1635  int64_t pos, start;
1636  unsigned header_byte_count;
1637 
1638  mxf_write_klv_fill(s);
1639  start = avio_tell(s->pb);
1642  pos = avio_tell(s->pb);
1643  header_byte_count = pos - start + klv_fill_size(pos);
1644 
1645  // update header_byte_count
1646  avio_seek(pb, header_byte_count_offset, SEEK_SET);
1647  avio_wb64(pb, header_byte_count);
1648  avio_seek(pb, pos, SEEK_SET);
1649  }
1650 
1651  if(key)
1652  avio_flush(pb);
1653 
1654  return 0;
1655 }
1656 
1658 AVPacket *pkt)
1659 {
1660  MXFContext *mxf = s->priv_data;
1661  MXFStreamContext *sc = st->priv_data;
1662  int i, cid;
1663  uint8_t* header_cid;
1664  int frame_size = 0;
1665 
1666  if (mxf->header_written)
1667  return 1;
1668 
1669  if (pkt->size < 43)
1670  return -1;
1671 
1672  header_cid = pkt->data + 0x28;
1673  cid = header_cid[0] << 24 | header_cid[1] << 16 | header_cid[2] << 8 | header_cid[3];
1674 
1675  if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) < 0)
1676  return -1;
1677  if ((sc->interlaced = avpriv_dnxhd_get_interlaced(cid)) < 0)
1678  return AVERROR_INVALIDDATA;
1679 
1680  switch (cid) {
1681  case 1235:
1682  sc->index = 24;
1683  sc->component_depth = 10;
1684  break;
1685  case 1237:
1686  sc->index = 25;
1687  break;
1688  case 1238:
1689  sc->index = 26;
1690  break;
1691  case 1241:
1692  sc->index = 27;
1693  sc->component_depth = 10;
1694  break;
1695  case 1242:
1696  sc->index = 28;
1697  break;
1698  case 1243:
1699  sc->index = 29;
1700  break;
1701  case 1250:
1702  sc->index = 30;
1703  sc->component_depth = 10;
1704  break;
1705  case 1251:
1706  sc->index = 31;
1707  break;
1708  case 1252:
1709  sc->index = 32;
1710  break;
1711  case 1253:
1712  sc->index = 33;
1713  break;
1714  default:
1715  return -1;
1716  }
1717 
1718  sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1719  sc->aspect_ratio = (AVRational){ 16, 9 };
1720 
1721  if(s->oformat == &ff_mxf_opatom_muxer){
1723  return 1;
1724  }
1725 
1727  for (i = 0; i < s->nb_streams; i++) {
1728  AVStream *st = s->streams[i];
1729  MXFStreamContext *sc = st->priv_data;
1730  if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1731  mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1733  } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1734  mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1736  }
1737  }
1738 
1739  return 1;
1740 }
1741 
1743 {
1744  MXFContext *mxf = s->priv_data;
1745  MXFStreamContext *sc = st->priv_data;
1746  uint8_t *vs_pack, *vsc_pack;
1747  int i, ul_index, frame_size, stype, pal;
1748 
1749  if (mxf->header_written)
1750  return 1;
1751 
1752  // Check for minimal frame size
1753  if (pkt->size < 120000)
1754  return -1;
1755 
1756  vs_pack = pkt->data + 80*5 + 48;
1757  vsc_pack = pkt->data + 80*5 + 53;
1758  stype = vs_pack[3] & 0x1f;
1759  pal = (vs_pack[3] >> 5) & 0x1;
1760 
1761  if ((vs_pack[2] & 0x07) == 0x02)
1762  sc->aspect_ratio = (AVRational){ 16, 9 };
1763  else
1764  sc->aspect_ratio = (AVRational){ 4, 3 };
1765 
1766  sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
1767  // TODO: fix dv encoder to set proper FF/FS value in VSC pack
1768  // and set field dominance accordingly
1769  // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
1770 
1771  switch (stype) {
1772  case 0x18: // DV100 720p
1773  ul_index = 6 + pal;
1774  frame_size = pal ? 288000 : 240000;
1775  if (sc->interlaced) {
1776  av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
1777  sc->interlaced = 0;
1778  }
1779  break;
1780  case 0x14: // DV100 1080i
1781  ul_index = 4 + pal;
1782  frame_size = pal ? 576000 : 480000;
1783  break;
1784  case 0x04: // DV50
1785  ul_index = 2 + pal;
1786  frame_size = pal ? 288000 : 240000;
1787  break;
1788  default: // DV25
1789  ul_index = 0 + pal;
1790  frame_size = pal ? 144000 : 120000;
1791  }
1792 
1793  sc->index = ul_index + 16;
1794  sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1795 
1796  if(s->oformat == &ff_mxf_opatom_muxer) {
1798  return 1;
1799  }
1800 
1802  for (i = 0; i < s->nb_streams; i++) {
1803  AVStream *st = s->streams[i];
1804  MXFStreamContext *sc = st->priv_data;
1805  if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1806  mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1808  } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1809  mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1811  }
1812  }
1813 
1814  return 1;
1815 }
1816 
1817 static const struct {
1820  int profile;
1822 } mxf_h264_codec_uls[] = {
1823  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0 }, // AVC High 10 Intra
1824  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 0, 1 }, // AVC Intra 50 1080i60
1825  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 0, 1 }, // AVC Intra 50 1080i50
1826  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 0, 0 }, // AVC Intra 50 1080p30
1827  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 0, 0 }, // AVC Intra 50 1080p25
1828  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 0, 0 }, // AVC Intra 50 720p60
1829  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 0, 0 }, // AVC Intra 50 720p50
1830  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0 }, // AVC High 422 Intra
1831  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 0, 1 }, // AVC Intra 100 1080i60
1832  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 0, 1 }, // AVC Intra 100 1080i50
1833  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 0, 0 }, // AVC Intra 100 1080p30
1834  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 0, 0 }, // AVC Intra 100 1080p25
1835  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 0, 0 }, // AVC Intra 100 720p60
1836  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 0, 0 }, // AVC Intra 100 720p50
1837 };
1838 
1840  AVPacket *pkt, MXFIndexEntry *e)
1841 {
1842  MXFContext *mxf = s->priv_data;
1843  MXFStreamContext *sc = st->priv_data;
1844  static const int mxf_h264_num_codec_uls = sizeof(mxf_h264_codec_uls) / sizeof(mxf_h264_codec_uls[0]);
1845  const uint8_t *buf = pkt->data;
1846  const uint8_t *buf_end = pkt->data + pkt->size;
1847  uint32_t state = -1;
1848  int extra_size = 512; // support AVC Intra files without SPS/PPS header
1849  int i, frame_size;
1850  uint8_t uid_found;
1851 
1852  if (pkt->size > extra_size)
1853  buf_end -= pkt->size - extra_size; // no need to parse beyond SPS/PPS header
1854 
1855  for (;;) {
1856  buf = avpriv_find_start_code(buf, buf_end, &state);
1857  if (buf >= buf_end)
1858  break;
1859  --buf;
1860  switch (state & 0x1f) {
1861  case NAL_SPS:
1862  st->codec->profile = buf[1];
1863  e->flags |= 0x40;
1864  break;
1865  case NAL_PPS:
1866  if (e->flags & 0x40) { // sequence header present
1867  e->flags |= 0x80; // random access
1868  extra_size = 0;
1869  buf = buf_end;
1870  }
1871  break;
1872  default:
1873  break;
1874  }
1875  }
1876 
1877  if (mxf->header_written)
1878  return 1;
1879 
1880  sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD
1881  sc->component_depth = 10; // AVC Intra is always 10 Bit
1882  sc->interlaced = st->codec->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0;
1883  if (sc->interlaced)
1884  sc->field_dominance = 1; // top field first is mandatory for AVC Intra
1885 
1886  uid_found = 0;
1887  frame_size = pkt->size + extra_size;
1888  for (i = 0; i < mxf_h264_num_codec_uls; i++) {
1889  if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) {
1890  sc->codec_ul = &mxf_h264_codec_uls[i].uid;
1891  return 1;
1892  } else if (st->codec->profile == mxf_h264_codec_uls[i].profile) {
1893  sc->codec_ul = &mxf_h264_codec_uls[i].uid;
1894  uid_found = 1;
1895  }
1896  }
1897 
1898  if (!uid_found) {
1899  av_log(s, AV_LOG_ERROR, "AVC Intra 50/100 supported only\n");
1900  return 0;
1901  }
1902 
1903  return 1;
1904 }
1905 
1906 static const UID mxf_mpeg2_codec_uls[] = {
1907  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
1908  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
1909  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
1910  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
1911  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
1912  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
1913  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
1914  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
1915  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
1916  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
1917 };
1918 
1920 {
1921  int long_gop = avctx->gop_size > 1 || avctx->has_b_frames;
1922 
1923  if (avctx->profile == 4) { // Main
1924  if (avctx->level == 8) // Main
1925  return &mxf_mpeg2_codec_uls[0+long_gop];
1926  else if (avctx->level == 4) // High
1927  return &mxf_mpeg2_codec_uls[4+long_gop];
1928  else if (avctx->level == 6) // High 14
1929  return &mxf_mpeg2_codec_uls[8+long_gop];
1930  } else if (avctx->profile == 0) { // 422
1931  if (avctx->level == 5) // Main
1932  return &mxf_mpeg2_codec_uls[2+long_gop];
1933  else if (avctx->level == 2) // High
1934  return &mxf_mpeg2_codec_uls[6+long_gop];
1935  }
1936  return NULL;
1937 }
1938 
1940  AVPacket *pkt, MXFIndexEntry *e)
1941 {
1942  MXFStreamContext *sc = st->priv_data;
1943  uint32_t c = -1;
1944  int i;
1945 
1946  for(i = 0; i < pkt->size - 4; i++) {
1947  c = (c<<8) + pkt->data[i];
1948  if (c == 0x1b5) {
1949  if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
1950  st->codec->profile = pkt->data[i+1] & 0x07;
1951  st->codec->level = pkt->data[i+2] >> 4;
1952  } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
1953  sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
1954  if (sc->interlaced)
1955  sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
1956  break;
1957  }
1958  } else if (c == 0x1b8) { // gop
1959  if (pkt->data[i+4]>>6 & 0x01) { // closed
1960  sc->closed_gop = 1;
1961  if (e->flags & 0x40) // sequence header present
1962  e->flags |= 0x80; // random access
1963  }
1964  } else if (c == 0x1b3) { // seq
1965  e->flags |= 0x40;
1966  switch ((pkt->data[i+4]>>4) & 0xf) {
1967  case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
1968  case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
1969  case 4: sc->aspect_ratio = (AVRational){221,100}; break;
1970  default:
1972  st->codec->width, st->codec->height, 1024*1024);
1973  }
1974  } else if (c == 0x100) { // pic
1975  int pict_type = (pkt->data[i+2]>>3) & 0x07;
1976  e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1977  if (pict_type == 2) { // P frame
1978  e->flags |= 0x22;
1979  sc->closed_gop = 0; // reset closed gop, don't matter anymore
1980  } else if (pict_type == 3) { // B frame
1981  if (sc->closed_gop)
1982  e->flags |= 0x13; // only backward prediction
1983  else
1984  e->flags |= 0x33;
1985  sc->temporal_reordering = -1;
1986  } else if (!pict_type) {
1987  av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
1988  return 0;
1989  }
1990  }
1991  }
1992  if (s->oformat != &ff_mxf_d10_muxer)
1994  return !!sc->codec_ul;
1995 }
1996 
1997 static uint64_t mxf_parse_timestamp(time_t timestamp)
1998 {
1999  struct tm tmbuf;
2000  struct tm *time = gmtime_r(&timestamp, &tmbuf);
2001  if (!time)
2002  return 0;
2003  return (uint64_t)(time->tm_year+1900) << 48 |
2004  (uint64_t)(time->tm_mon+1) << 40 |
2005  (uint64_t) time->tm_mday << 32 |
2006  time->tm_hour << 24 |
2007  time->tm_min << 16 |
2008  time->tm_sec << 8;
2009 }
2010 
2012 {
2013  MXFContext *mxf = s->priv_data;
2014  uint32_t seed = av_get_random_seed();
2015  uint64_t umid = seed + 0x5294713400000000LL;
2016 
2017  AV_WB64(mxf->umid , umid);
2018  AV_WB64(mxf->umid+8, umid>>8);
2019 
2020  mxf->instance_number = seed & 0xFFFFFF;
2021 }
2022 
2024 {
2025  MXFContext *mxf = s->priv_data;
2026  AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
2027  if (!tcr)
2028  tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
2029 
2030  if (tcr)
2031  return av_timecode_init_from_string(&mxf->tc, rate, tcr->value, s);
2032  else
2033  return av_timecode_init(&mxf->tc, rate, 0, 0, s);
2034 }
2035 
2037 {
2038  MXFContext *mxf = s->priv_data;
2039  int i, ret;
2040  uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
2041  const MXFSamplesPerFrame *spf = NULL;
2042  AVDictionaryEntry *t;
2043  int64_t timestamp = 0;
2044 
2045  if (!s->nb_streams)
2046  return -1;
2047 
2048  if (s->oformat == &ff_mxf_opatom_muxer && s->nb_streams !=1){
2049  av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n");
2050  return -1;
2051  }
2052 
2053  if (!av_dict_get(s->metadata, "comment_", NULL, AV_DICT_IGNORE_SUFFIX))
2054  mxf->store_user_comments = 0;
2055 
2056  for (i = 0; i < s->nb_streams; i++) {
2057  AVStream *st = s->streams[i];
2058  MXFStreamContext *sc = av_mallocz(sizeof(*sc));
2059  if (!sc)
2060  return AVERROR(ENOMEM);
2061  st->priv_data = sc;
2062 
2063  if (((i == 0) ^ (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)) && s->oformat != &ff_mxf_opatom_muxer) {
2064  av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
2065  return -1;
2066  }
2067 
2068  if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2069  const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codec->pix_fmt);
2070  // TODO: should be avg_frame_rate
2071  AVRational rate, tbc = st->time_base;
2072  // Default component depth to 8
2073  sc->component_depth = 8;
2074  sc->h_chroma_sub_sample = 2;
2075  sc->color_siting = 0xFF;
2076 
2077  if (pix_desc) {
2078  sc->component_depth = pix_desc->comp[0].depth_minus1 + 1;
2079  sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w;
2080  }
2081  switch (ff_choose_chroma_location(s, st)) {
2082  case AVCHROMA_LOC_TOPLEFT: sc->color_siting = 0; break;
2083  case AVCHROMA_LOC_LEFT: sc->color_siting = 6; break;
2084  case AVCHROMA_LOC_TOP: sc->color_siting = 1; break;
2085  case AVCHROMA_LOC_CENTER: sc->color_siting = 3; break;
2086  }
2087 
2088  mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2089  spf = ff_mxf_get_samples_per_frame(s, tbc);
2090  if (!spf) {
2091  av_log(s, AV_LOG_ERROR, "Unsupported video frame rate %d/%d\n",
2092  tbc.den, tbc.num);
2093  return AVERROR(EINVAL);
2094  }
2095  mxf->time_base = spf->time_base;
2096  rate = av_inv_q(mxf->time_base);
2097  avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
2098  if((ret = mxf_init_timecode(s, st, rate)) < 0)
2099  return ret;
2100 
2101  sc->video_bit_rate = st->codec->bit_rate ? st->codec->bit_rate : st->codec->rc_max_rate;
2102  if (s->oformat == &ff_mxf_d10_muxer) {
2103  if ((sc->video_bit_rate == 50000000) && (mxf->time_base.den == 25)) {
2104  sc->index = 3;
2105  } else if ((sc->video_bit_rate == 49999840 || sc->video_bit_rate == 50000000) && (mxf->time_base.den != 25)) {
2106  sc->index = 5;
2107  } else if (sc->video_bit_rate == 40000000) {
2108  if (mxf->time_base.den == 25) sc->index = 7;
2109  else sc->index = 9;
2110  } else if (sc->video_bit_rate == 30000000) {
2111  if (mxf->time_base.den == 25) sc->index = 11;
2112  else sc->index = 13;
2113  } else {
2114  av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
2115  return -1;
2116  }
2117 
2118  mxf->edit_unit_byte_count = KAG_SIZE; // system element
2119  mxf->edit_unit_byte_count += 16 + 4 + (uint64_t)sc->video_bit_rate *
2120  mxf->time_base.num / (8*mxf->time_base.den);
2122  mxf->edit_unit_byte_count += 16 + 4 + 4 + spf->samples_per_frame[0]*8*4;
2124 
2125  sc->signal_standard = 1;
2126  }
2127  if (mxf->signal_standard >= 0)
2128  sc->signal_standard = mxf->signal_standard;
2129  } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2130  if (st->codec->sample_rate != 48000) {
2131  av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
2132  return -1;
2133  }
2134  avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
2135  if (s->oformat == &ff_mxf_d10_muxer) {
2136  if (st->index != 1) {
2137  av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
2138  return -1;
2139  }
2140  if (st->codec->codec_id != AV_CODEC_ID_PCM_S16LE &&
2142  av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
2143  }
2144  sc->index = ((MXFStreamContext*)s->streams[0]->priv_data)->index + 1;
2145  } else if (s->oformat == &ff_mxf_opatom_muxer) {
2146  AVRational tbc = av_inv_q(mxf->audio_edit_rate);
2147 
2148  if (st->codec->codec_id != AV_CODEC_ID_PCM_S16LE &&
2150  av_log(s, AV_LOG_ERROR, "Only pcm_s16le and pcm_s24le audio codecs are implemented\n");
2151  return AVERROR_PATCHWELCOME;
2152  }
2153  if (st->codec->channels != 1) {
2154  av_log(s, AV_LOG_ERROR, "MXF OPAtom only supports single channel audio\n");
2155  return AVERROR(EINVAL);
2156  }
2157 
2158  spf = ff_mxf_get_samples_per_frame(s, tbc);
2159  if (!spf){
2160  av_log(s, AV_LOG_ERROR, "Unsupported timecode frame rate %d/%d\n", tbc.den, tbc.num);
2161  return AVERROR(EINVAL);
2162  }
2163 
2164  mxf->time_base = st->time_base;
2165  if((ret = mxf_init_timecode(s, st, av_inv_q(spf->time_base))) < 0)
2166  return ret;
2167 
2168  mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2170  sc->index = 2;
2171  } else {
2172  mxf->slice_count = 1;
2173  }
2174  }
2175 
2176  if (!sc->index) {
2178  if (sc->index == -1) {
2179  av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
2180  "codec not currently supported in container\n", i);
2181  return -1;
2182  }
2183  }
2184 
2185  sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2186 
2187  memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
2188  sc->track_essence_element_key[15] = present[sc->index];
2189  PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
2190 
2191  if (!present[sc->index])
2192  mxf->essence_container_count++;
2193  present[sc->index]++;
2194  }
2195 
2196  if (s->oformat == &ff_mxf_d10_muxer || s->oformat == &ff_mxf_opatom_muxer) {
2197  mxf->essence_container_count = 1;
2198  }
2199 
2200  if (!(s->flags & AVFMT_FLAG_BITEXACT))
2201  mxf_gen_umid(s);
2202 
2203  for (i = 0; i < s->nb_streams; i++) {
2204  MXFStreamContext *sc = s->streams[i]->priv_data;
2205  // update element count
2206  sc->track_essence_element_key[13] = present[sc->index];
2207  if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[15].element_ul, 13)) // DV
2208  sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
2209  else
2210  sc->order = AV_RB32(sc->track_essence_element_key+12);
2211  }
2212 
2213  if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
2214  timestamp = ff_iso8601_to_unix_time(t->value);
2215  if (timestamp)
2216  mxf->timestamp = mxf_parse_timestamp(timestamp);
2217  mxf->duration = -1;
2218 
2219  mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
2220  if (!mxf->timecode_track)
2221  return AVERROR(ENOMEM);
2223  if (!mxf->timecode_track->priv_data)
2224  return AVERROR(ENOMEM);
2225  mxf->timecode_track->index = -1;
2226 
2227  if (!spf)
2228  spf = ff_mxf_get_samples_per_frame(s, (AVRational){ 1, 25 });
2229 
2230  if (ff_audio_interleave_init(s, spf->samples_per_frame, mxf->time_base) < 0)
2231  return -1;
2232 
2233  return 0;
2234 }
2235 
2236 static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
2237 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 };
2238 
2240 {
2241  MXFContext *mxf = s->priv_data;
2242  AVIOContext *pb = s->pb;
2243  unsigned frame;
2244  uint32_t time_code;
2245 
2246  frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2247 
2248  // write system metadata pack
2250  klv_encode_ber4_length(pb, 57);
2251  avio_w8(pb, 0x5c); // UL, user date/time stamp, picture and sound item present
2252  avio_w8(pb, 0x04); // content package rate
2253  avio_w8(pb, 0x00); // content package type
2254  avio_wb16(pb, 0x00); // channel handle
2255  avio_wb16(pb, (mxf->tc.start + frame) & 0xFFFF); // continuity count, supposed to overflow
2256  if (mxf->essence_container_count > 1)
2257  avio_write(pb, multiple_desc_ul, 16);
2258  else {
2259  MXFStreamContext *sc = s->streams[0]->priv_data;
2260  avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
2261  }
2262  avio_w8(pb, 0);
2263  avio_wb64(pb, 0);
2264  avio_wb64(pb, 0); // creation date/time stamp
2265 
2266  avio_w8(pb, 0x81); // SMPTE 12M time code
2267  time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
2268  avio_wb32(pb, time_code);
2269  avio_wb32(pb, 0); // binary group data
2270  avio_wb64(pb, 0);
2271 
2272  // write system metadata package set
2274  klv_encode_ber4_length(pb, 35);
2275  avio_w8(pb, 0x83); // UMID
2276  avio_wb16(pb, 0x20);
2277  mxf_write_umid(s, 1);
2278 }
2279 
2281 {
2282  MXFContext *mxf = s->priv_data;
2283  AVIOContext *pb = s->pb;
2284  MXFStreamContext *sc = st->priv_data;
2285  int packet_size = (uint64_t)sc->video_bit_rate*mxf->time_base.num /
2286  (8*mxf->time_base.den); // frame size
2287  int pad;
2288 
2289  packet_size += 16 + 4;
2290  packet_size += klv_fill_size(packet_size);
2291 
2292  klv_encode_ber4_length(pb, pkt->size);
2293  avio_write(pb, pkt->data, pkt->size);
2294 
2295  // ensure CBR muxing by padding to correct video frame size
2296  pad = packet_size - pkt->size - 16 - 4;
2297  if (pad > 20) {
2298  avio_write(s->pb, klv_fill_key, 16);
2299  pad -= 16 + 4;
2300  klv_encode_ber4_length(s->pb, pad);
2301  ffio_fill(s->pb, 0, pad);
2302  av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
2303  } else {
2304  av_log(s, AV_LOG_WARNING, "cannot fill d-10 video packet\n");
2305  ffio_fill(s->pb, 0, pad);
2306  }
2307 }
2308 
2310 {
2311  MXFContext *mxf = s->priv_data;
2312  AVIOContext *pb = s->pb;
2313  int frame_size = pkt->size / st->codec->block_align;
2314  uint8_t *samples = pkt->data;
2315  uint8_t *end = pkt->data + pkt->size;
2316  int i;
2317 
2318  klv_encode_ber4_length(pb, 4 + frame_size*4*8);
2319 
2320  avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
2321  avio_wl16(pb, frame_size);
2322  avio_w8(pb, (1<<st->codec->channels)-1);
2323 
2324  while (samples < end) {
2325  for (i = 0; i < st->codec->channels; i++) {
2326  uint32_t sample;
2327  if (st->codec->codec_id == AV_CODEC_ID_PCM_S24LE) {
2328  sample = AV_RL24(samples)<< 4;
2329  samples += 3;
2330  } else {
2331  sample = AV_RL16(samples)<<12;
2332  samples += 2;
2333  }
2334  avio_wl32(pb, sample | i);
2335  }
2336  for (; i < 8; i++)
2337  avio_wl32(pb, i);
2338  }
2339 }
2340 
2342 {
2343  MXFContext *mxf = s->priv_data;
2344  AVIOContext *pb = s->pb;
2345  AVStream *st = s->streams[0];
2346  MXFStreamContext *sc = st->priv_data;
2347  const uint8_t *key = NULL;
2348 
2349  int err;
2350 
2351  if (!mxf->header_written)
2352  key = body_partition_key;
2353 
2354  if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0)
2355  return err;
2356  mxf_write_klv_fill(s);
2359  return 0;
2360 }
2361 
2363 {
2364  MXFContext *mxf = s->priv_data;
2365  AVIOContext *pb = s->pb;
2366 
2367  int err;
2368 
2369  if (!mxf->header_written) {
2370  if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2371  return err;
2372  mxf_write_klv_fill(s);
2373 
2374  if ((err = mxf_write_opatom_body_partition(s)) < 0)
2375  return err;
2376  mxf->header_written = 1;
2377  }
2378 
2379  if (!mxf->edit_unit_byte_count) {
2381  mxf->index_entries[mxf->edit_units_count].flags = ie->flags;
2383  }
2384  mxf->edit_units_count++;
2385  avio_write(pb, pkt->data, pkt->size);
2386  mxf->body_offset += pkt->size;
2387  avio_flush(pb);
2388 
2389  return 0;
2390 }
2391 
2393 {
2394  MXFContext *mxf = s->priv_data;
2395  AVIOContext *pb = s->pb;
2396  AVStream *st = s->streams[pkt->stream_index];
2397  MXFStreamContext *sc = st->priv_data;
2398  MXFIndexEntry ie = {0};
2399  int err;
2400 
2402  if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
2403  + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
2404  mxf->edit_units_count = 0;
2405  av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
2406  return err;
2407  }
2408  }
2409 
2410  if (st->codec->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2411  if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
2412  av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
2413  return -1;
2414  }
2415  } else if (st->codec->codec_id == AV_CODEC_ID_DNXHD) {
2416  if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
2417  av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
2418  return -1;
2419  }
2420  } else if (st->codec->codec_id == AV_CODEC_ID_DVVIDEO) {
2421  if (!mxf_parse_dv_frame(s, st, pkt)) {
2422  av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
2423  return -1;
2424  }
2425  } else if (st->codec->codec_id == AV_CODEC_ID_H264) {
2426  if (!mxf_parse_h264_frame(s, st, pkt, &ie)) {
2427  av_log(s, AV_LOG_ERROR, "could not get h264 profile\n");
2428  return -1;
2429  }
2430  }
2431 
2432  if (s->oformat == &ff_mxf_opatom_muxer)
2433  return mxf_write_opatom_packet(s, pkt, &ie);
2434 
2435  if (!mxf->header_written) {
2436  if (mxf->edit_unit_byte_count) {
2437  if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
2438  return err;
2439  mxf_write_klv_fill(s);
2441  } else {
2442  if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2443  return err;
2444  }
2445  mxf->header_written = 1;
2446  }
2447 
2448  if (st->index == 0) {
2449  if (!mxf->edit_unit_byte_count &&
2451  !(ie.flags & 0x33)) { // I frame, Gop start
2452  mxf_write_klv_fill(s);
2453  if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
2454  return err;
2455  mxf_write_klv_fill(s);
2457  }
2458 
2459  mxf_write_klv_fill(s);
2461 
2462  if (!mxf->edit_unit_byte_count) {
2464  mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
2466  mxf->body_offset += KAG_SIZE; // size of system element
2467  }
2468  mxf->edit_units_count++;
2469  } else if (!mxf->edit_unit_byte_count && st->index == 1) {
2470  if (!mxf->edit_units_count) {
2471  av_log(s, AV_LOG_ERROR, "No packets in first stream\n");
2472  return AVERROR_PATCHWELCOME;
2473  }
2475  mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
2476  }
2477 
2478  mxf_write_klv_fill(s);
2479  avio_write(pb, sc->track_essence_element_key, 16); // write key
2480  if (s->oformat == &ff_mxf_d10_muxer) {
2481  if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2482  mxf_write_d10_video_packet(s, st, pkt);
2483  else
2484  mxf_write_d10_audio_packet(s, st, pkt);
2485  } else {
2486  klv_encode_ber4_length(pb, pkt->size); // write length
2487  avio_write(pb, pkt->data, pkt->size);
2488  mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
2489  }
2490 
2491  avio_flush(pb);
2492 
2493  return 0;
2494 }
2495 
2497 {
2498  MXFContext *mxf = s->priv_data;
2499  AVIOContext *pb = s->pb;
2500  uint64_t pos = avio_tell(pb);
2501  int i;
2502 
2504  klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
2505 
2506  if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer)
2507  avio_wb32(pb, 1); // BodySID of header partition
2508  else
2509  avio_wb32(pb, 0);
2510  avio_wb64(pb, 0); // offset of header partition
2511 
2512  for (i = 0; i < mxf->body_partitions_count; i++) {
2513  avio_wb32(pb, 1); // BodySID
2514  avio_wb64(pb, mxf->body_partition_offset[i]);
2515  }
2516 
2517  avio_wb32(pb, 0); // BodySID of footer partition
2519 
2520  avio_wb32(pb, avio_tell(pb) - pos + 4);
2521 }
2522 
2524 {
2525  MXFContext *mxf = s->priv_data;
2526  AVIOContext *pb = s->pb;
2527  int err = 0;
2528 
2529  if (!mxf->header_written ||
2530  (s->oformat == &ff_mxf_opatom_muxer && !mxf->body_partition_offset)) {
2531  /* reason could be invalid options/not supported codec/out of memory */
2532  err = AVERROR_UNKNOWN;
2533  goto end;
2534  }
2535 
2537 
2538  mxf_write_klv_fill(s);
2540  if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { // no need to repeat index
2541  if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
2542  goto end;
2543  } else {
2544  if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
2545  goto end;
2546  mxf_write_klv_fill(s);
2548  }
2549 
2550  mxf_write_klv_fill(s);
2552 
2553  if (s->pb->seekable) {
2554  if (s->oformat == &ff_mxf_opatom_muxer){
2555  /* rewrite body partition to update lengths */
2556  avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET);
2557  if ((err = mxf_write_opatom_body_partition(s)) < 0)
2558  goto end;
2559  }
2560 
2561  avio_seek(pb, 0, SEEK_SET);
2562  if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) {
2563  if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
2564  goto end;
2565  mxf_write_klv_fill(s);
2567  } else {
2568  if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
2569  goto end;
2570  }
2571  }
2572 
2573 end:
2575 
2576  av_freep(&mxf->index_entries);
2579  av_freep(&mxf->timecode_track);
2580 
2581  mxf_free(s);
2582 
2583  return err < 0 ? err : 0;
2584 }
2585 
2587 {
2588  int i, stream_count = 0;
2589 
2590  for (i = 0; i < s->nb_streams; i++)
2591  stream_count += !!s->streams[i]->last_in_packet_buffer;
2592 
2593  if (stream_count && (s->nb_streams == stream_count || flush)) {
2594  AVPacketList *pktl = s->internal->packet_buffer;
2595  if (s->nb_streams != stream_count) {
2596  AVPacketList *last = NULL;
2597  // find last packet in edit unit
2598  while (pktl) {
2599  if (!stream_count || pktl->pkt.stream_index == 0)
2600  break;
2601  last = pktl;
2602  pktl = pktl->next;
2603  stream_count--;
2604  }
2605  // purge packet queue
2606  while (pktl) {
2607  AVPacketList *next = pktl->next;
2608 
2609  if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2611  av_free_packet(&pktl->pkt);
2612  av_freep(&pktl);
2613  pktl = next;
2614  }
2615  if (last)
2616  last->next = NULL;
2617  else {
2618  s->internal->packet_buffer = NULL;
2620  goto out;
2621  }
2622  pktl = s->internal->packet_buffer;
2623  }
2624 
2625  *out = pktl->pkt;
2626  av_log(s, AV_LOG_TRACE, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts);
2627  s->internal->packet_buffer = pktl->next;
2628  if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2630  if(!s->internal->packet_buffer)
2632  av_freep(&pktl);
2633  return 1;
2634  } else {
2635  out:
2636  av_init_packet(out);
2637  return 0;
2638  }
2639 }
2640 
2642 {
2644  MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
2645 
2646  return next->dts > pkt->dts ||
2647  (next->dts == pkt->dts && sc->order < sc2->order);
2648 }
2649 
2651 {
2652  return ff_audio_rechunk_interleave(s, out, pkt, flush,
2654 }
2655 
2656 #define MXF_COMMON_OPTIONS \
2657  { "signal_standard", "Force/set Sigal Standard",\
2658  offsetof(MXFContext, signal_standard), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2659  { "bt601", "ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)",\
2660  0, AV_OPT_TYPE_CONST, {.i64 = 1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2661  { "bt1358", "ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)",\
2662  0, AV_OPT_TYPE_CONST, {.i64 = 2}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2663  { "smpte347m", "SMPTE 347M (540 Mbps mappings)",\
2664  0, AV_OPT_TYPE_CONST, {.i64 = 3}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2665  { "smpte274m", "SMPTE 274M (1125 line)",\
2666  0, AV_OPT_TYPE_CONST, {.i64 = 4}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2667  { "smpte296m", "SMPTE 296M (750 line progressive)",\
2668  0, AV_OPT_TYPE_CONST, {.i64 = 5}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2669  { "smpte349m", "SMPTE 349M (1485 Mbps mappings)",\
2670  0, AV_OPT_TYPE_CONST, {.i64 = 6}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2671  { "smpte428", "SMPTE 428-1 DCDM",\
2672  0, AV_OPT_TYPE_CONST, {.i64 = 7}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},
2673 
2674 
2675 
2676 static const AVOption mxf_options[] = {
2678  { "store_user_comments", "",
2679  offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
2680  { NULL },
2681 };
2682 
2683 static const AVClass mxf_muxer_class = {
2684  .class_name = "MXF muxer",
2685  .item_name = av_default_item_name,
2686  .option = mxf_options,
2687  .version = LIBAVUTIL_VERSION_INT,
2688 };
2689 
2690 static const AVOption d10_options[] = {
2691  { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
2692  offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
2694  { "store_user_comments", "",
2695  offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
2696  { NULL },
2697 };
2698 
2700  .class_name = "MXF-D10 muxer",
2701  .item_name = av_default_item_name,
2702  .option = d10_options,
2703  .version = LIBAVUTIL_VERSION_INT,
2704 };
2705 
2706 static const AVOption opatom_options[] = {
2707  { "mxf_audio_edit_rate", "Audio edit rate for timecode",
2708  offsetof(MXFContext, audio_edit_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
2710  { NULL },
2711 };
2712 
2714  .class_name = "MXF-OPAtom muxer",
2715  .item_name = av_default_item_name,
2716  .option = opatom_options,
2717  .version = LIBAVUTIL_VERSION_INT,
2718 };
2719 
2721  .name = "mxf",
2722  .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
2723  .mime_type = "application/mxf",
2724  .extensions = "mxf",
2725  .priv_data_size = sizeof(MXFContext),
2726  .audio_codec = AV_CODEC_ID_PCM_S16LE,
2727  .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2733  .priv_class = &mxf_muxer_class,
2734 };
2735 
2736 AVOutputFormat ff_mxf_d10_muxer = {
2737  .name = "mxf_d10",
2738  .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
2739  .mime_type = "application/mxf",
2740  .priv_data_size = sizeof(MXFContext),
2741  .audio_codec = AV_CODEC_ID_PCM_S16LE,
2742  .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2748  .priv_class = &mxf_d10_muxer_class,
2749 };
2750 
2751 AVOutputFormat ff_mxf_opatom_muxer = {
2752  .name = "mxf_opatom",
2753  .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"),
2754  .mime_type = "application/mxf",
2755  .extensions = "mxf",
2756  .priv_data_size = sizeof(MXFContext),
2757  .audio_codec = AV_CODEC_ID_PCM_S16LE,
2758  .video_codec = AV_CODEC_ID_DNXHD,
2764  .priv_class = &mxf_opatom_muxer_class,
2765 };
static uint64_t mxf_parse_timestamp(time_t timestamp)
Definition: mxfenc.c:1997
void avio_wb64(AVIOContext *s, uint64_t val)
Definition: aviobuf.c:415
uint32_t tagged_value_count
Definition: mxfenc.c:323
#define NULL
Definition: coverity.c:32
void avio_wl16(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:421
MXFMetadataSetType
Definition: mxf.h:30
const char * s
Definition: avisynth_c.h:631
Bytestream IO Context.
Definition: avio.h:111
#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:681
static void mxf_write_d10_video_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:2280
int component_depth
Definition: mxfenc.c:84
static const uint8_t header_closed_partition_key[]
Definition: mxfenc.c:341
#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:360
void av_free_packet(AVPacket *pkt)
Free a packet.
Definition: avpacket.c:284
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2129
mpeg2/4 4:2:0, h264 default for 4:2:0
Definition: pixfmt.h:561
int signal_standard
Definition: mxfenc.c:86
int avio_put_str16be(AVIOContext *s, const char *str)
Convert an UTF-8 string to UTF-16BE and write it.
AVOption.
Definition: opt.h:255
static void flush(AVCodecContext *avctx)
static void mxf_write_index_table_segment(AVFormatContext *s)
Definition: mxfenc.c:1407
enum AVCodecID id
Definition: mxfenc.c:102
uint64_t body_offset
Definition: mxfenc.c:318
#define PRINT_KEY(pc, s, x)
Definition: mxf.h:115
static const uint8_t klv_fill_key[]
Definition: mxfenc.c:342
static const UID mxf_mpegvideo_descriptor_key
Definition: mxfenc.c:1001
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
#define LIBAVUTIL_VERSION_INT
Definition: version.h:62
unsigned char * buf_ptr
Current position in the buffer.
Definition: avio.h:127
static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
Definition: mxfenc.c:510
int index
index in mxf_essence_container_uls table
Definition: mxfenc.c:79
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:4093
static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
Definition: mxfenc.c:905
unsigned body_partitions_count
Definition: mxfenc.c:311
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:2023
int index
stream index in AVFormatContext
Definition: avformat.h:855
int size
Definition: avcodec.h:1434
Definition: mxf.h:34
static const UID mxf_cdci_descriptor_key
Definition: mxfenc.c:1004
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
Definition: aviobuf.c:204
AVFormatInternal * internal
An opaque field for libavformat internal usage.
Definition: avformat.h:1710
int interlaced
whether picture is interlaced
Definition: mxfenc.c:82
static const uint8_t body_partition_key[]
Definition: mxfenc.c:343
AVOutputFormat ff_mxf_muxer
Definition: mxfenc.c:2720
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:1732
#define AV_RL16
Definition: intreadwrite.h:42
int avpriv_dnxhd_get_interlaced(int cid)
Definition: dnxhddata.c:1091
void * priv_data
Definition: avformat.h:874
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:566
static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
Definition: mxfenc.c:453
static void mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
Definition: mxfenc.c:978
int profile
profile
Definition: avcodec.h:3125
#define sample
UID track_essence_element_key
Definition: mxfenc.c:78
static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:825
int block_align
number of bytes per packet if constant and known or 0 Used by some WAV based audio codecs...
Definition: avcodec.h:2309
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:80
int id
Definition: mxf.h:70
int index
Definition: mxfenc.c:103
static int mxf_write_header(AVFormatContext *s)
Definition: mxfenc.c:2036
Definition: h264.h:118
static void klv_encode_ber4_length(AVIOContext *pb, int len)
Definition: mxfenc.c:504
static const uint8_t multiple_desc_ul[]
Definition: mxfenc.c:349
Format I/O context.
Definition: avformat.h:1285
int h_chroma_sub_sample
Definition: mxfenc.c:87
uint8_t UID[16]
Definition: mxf.h:28
UID uid
Definition: mxfenc.c:1818
int temporal_reordering
Definition: mxfenc.c:88
uint8_t slice_count
index slice count minus 1 (1 if no audio, 0 otherwise)
Definition: mxfenc.c:308
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:1005
static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
Definition: mxfenc.c:483
static void mxf_write_klv_fill(AVFormatContext *s)
Definition: mxfenc.c:1540
static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
Definition: mxfenc.c:469
int timecode_base
rounded time code base (25 or 30)
Definition: mxfenc.c:316
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:192
Definition: h264.h:119
static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
Definition: mxfenc.c:2392
AVOutputFormat ff_mxf_d10_muxer
Definition: mxfenc.c:2736
void avio_wl32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:321
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:100
static unsigned klv_fill_size(uint64_t size)
Definition: mxfenc.c:1398
uint8_t
const MXFSamplesPerFrame * ff_mxf_get_samples_per_frame(AVFormatContext *s, AVRational time_base)
Definition: mxf.c:151
static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
Definition: mxfenc.c:1007
AVOptions.
static const UID mxf_mpeg2_codec_uls[]
Definition: mxfenc.c:1906
#define AV_LOG_TRACE
Extremely verbose debugging, useful for libav* development.
Definition: log.h:202
AVPacket pkt
Definition: avformat.h:1875
timecode is drop frame
Definition: timecode.h:36
#define AV_RB32
Definition: intreadwrite.h:130
static av_cold int end(AVCodecContext *avctx)
Definition: avrndec.c:90
static const struct @176 mxf_h264_codec_uls[]
int ff_audio_interleave_init(AVFormatContext *s, const int *samples_per_frame, AVRational time_base)
AVStream ** streams
A list of all streams in the file.
Definition: avformat.h:1353
static AVFrame * frame
int avpriv_dnxhd_get_frame_size(int cid)
Definition: dnxhddata.c:1083
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:1396
uint8_t * data
Definition: avcodec.h:1433
uint64_t duration
Definition: mxfenc.c:313
int start
timecode frame start (first base frame number)
Definition: timecode.h:42
uint32_t tag
Definition: movenc.c:1339
uint64_t offset
Definition: mxfenc.c:71
Definition: ismindex.c:71
ptrdiff_t size
Definition: opengl_enc.c:101
uint8_t flags
Definition: mxfenc.c:70
static void mxf_write_track(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
Definition: mxfenc.c:778
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
Definition: avio.h:390
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:76
void avio_write(AVIOContext *s, const unsigned char *buf, int size)
Definition: aviobuf.c:178
static int interleave_packet(AVFormatContext *s, AVPacket *out, AVPacket *in, int flush)
Interleave an AVPacket correctly so it can be muxed.
Definition: mux.c:921
#define AVFMT_FLAG_BITEXACT
When muxing, try to avoid writing any random/volatile data to the output.
Definition: avformat.h:1413
AVRational audio_edit_rate
Definition: mxfenc.c:324
unsigned slice_offset
offset of audio slice
Definition: mxfenc.c:72
static const uint8_t index_table_segment_key[]
Definition: mxfenc.c:338
#define av_log(a,...)
#define AV_OPT_FLAG_ENCODING_PARAM
a generic parameter which can be set by the user for muxing or encoding
Definition: opt.h:285
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:1304
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:182
H.264 / AVC / MPEG4 part10 codec.
int store_user_comments
Definition: mxfenc.c:325
AudioInterleaveContext aic
Definition: mxfenc.c:77
int local_tag
Definition: mxfenc.c:65
static const AVClass mxf_opatom_muxer_class
Definition: mxfenc.c:2713
static const uint8_t umid_ul[]
Definition: mxfenc.c:329
uint16_t depth_minus1
Number of bits in the component minus 1.
Definition: pixdesc.h:57
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:102
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
int has_b_frames
Size of the frame reordering buffer in the decoder.
Definition: avcodec.h:1822
AVDictionary * metadata
Metadata that applies to the whole file.
Definition: avformat.h:1497
int av_get_bits_per_sample(enum AVCodecID codec_id)
Return codec bits per sample.
Definition: utils.c:3404
static void mxf_write_system_item(AVFormatContext *s)
Definition: mxfenc.c:2239
#define EDIT_UNITS_PER_BODY
Definition: mxfenc.c:61
void(* write_desc)(AVFormatContext *, AVStream *)
Definition: mxfenc.c:98
static const uint8_t header_metadata_key[]
partial key for header metadata
Definition: mxfenc.c:348
static const uint8_t mxf_indirect_value_utf16le[]
Definition: mxfenc.c:1207
int profile
Definition: mxfenc.c:1820
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:178
static const uint8_t header_open_partition_key[]
Definition: mxfenc.c:340
static void mxf_write_preface(AVFormatContext *s)
Definition: mxfenc.c:608
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:197
int header_written
Definition: mxfenc.c:304
static void mxf_write_random_index_pack(AVFormatContext *s)
Definition: mxfenc.c:2496
int rc_max_rate
maximum bitrate
Definition: avcodec.h:2614
static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1103
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:2341
GLsizei GLsizei * length
Definition: opengl_enc.c:115
static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
Definition: mxfenc.c:560
static const struct @175 mxf_essence_mappings[]
GLsizei count
Definition: opengl_enc.c:109
#define MXF_COMMON_OPTIONS
Definition: mxfenc.c:2656
int color_siting
Definition: mxfenc.c:85
int order
interleaving order if dts are equal
Definition: mxfenc.c:81
static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:2309
static const uint8_t primer_pack_key[]
Definition: mxfenc.c:337
static const uint8_t system_metadata_pack_key[]
Definition: mxfenc.c:2236
static int mxf_get_essence_container_ul_index(enum AVCodecID id)
Definition: mxfenc.c:519
static struct tm * gmtime_r(const time_t *clock, struct tm *result)
Definition: time_internal.h:26
AVCodecContext * codec
Codec context associated with this stream.
Definition: avformat.h:873
static void mxf_write_content_storage(AVFormatContext *s)
Definition: mxfenc.c:753
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:475
unsigned int nb_streams
Number of elements in AVFormatContext.streams.
Definition: avformat.h:1341
int seekable
A combination of AVIO_SEEKABLE_ flags or 0 when the stream is not seekable.
Definition: avio.h:160
int bit_rate
the average bitrate
Definition: avcodec.h:1577
static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt, MXFIndexEntry *e)
Definition: mxfenc.c:1839
int void avio_flush(AVIOContext *s)
Force flushing of buffered data.
Definition: aviobuf.c:198
static const UID mxf_wav_descriptor_key
Definition: mxfenc.c:1002
#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:164
#define KAG_SIZE
Definition: mxfenc.c:62
static const uint8_t op1a_ul[]
complete key for operation pattern, partitions, and primer pack
Definition: mxfenc.c:334
uint8_t interlaced
Definition: mxfenc.c:1821
static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:1657
int width
picture width / height.
Definition: avcodec.h:1691
uint64_t * body_partition_offset
Definition: mxfenc.c:310
GLsizei GLboolean const GLfloat * value
Definition: opengl_enc.c:109
static int write_trailer(AVFormatContext *s1)
Definition: v4l2enc.c:94
int64_t ff_iso8601_to_unix_time(const char *datestr)
Convert a date string in ISO8601 format to Unix timestamp.
Definition: utils.c:4181
ITU-R 601, SMPTE 274M 296M S314M(DV 4:1:1), mpeg2 4:2:2.
Definition: pixfmt.h:563
static const AVOption mxf_options[]
Definition: mxfenc.c:2676
void avio_wb24(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:439
static const AVClass mxf_muxer_class
Definition: mxfenc.c:2683
const char * name
Definition: avformat.h:525
static struct @197 state
static int mxf_write_partition(AVFormatContext *s, int bodysid, int indexsid, const uint8_t *key, int write_metadata)
Definition: mxfenc.c:1552
static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
Definition: mxfenc.c:700
static int mxf_write_header_metadata_sets(AVFormatContext *s)
Definition: mxfenc.c:1365
int level
level
Definition: avcodec.h:3214
AVDictionary * metadata
Definition: avformat.h:928
AVStream * timecode_track
Definition: mxfenc.c:315
static const UID mxf_aes3_descriptor_key
Definition: mxfenc.c:1003
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:2237
int edit_unit_byte_count
fixed edit unit byte count
Definition: mxfenc.c:317
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:107
#define FF_ARRAY_ELEMS(a)
#define av_log2
Definition: intmath.h:100
Stream structure.
Definition: avformat.h:854
#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:319
static void mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
Definition: mxfenc.c:1178
static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m)
Definition: mxfenc.c:1238
int signal_standard
Definition: mxfenc.c:322
static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
Definition: mxfenc.c:554
static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1197
int frame_size
Definition: mxfenc.c:1819
int last_indexed_edit_unit
Definition: mxfenc.c:309
static const AVClass mxf_d10_muxer_class
Definition: mxfenc.c:2699
static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt, MXFIndexEntry *e)
Definition: mxfenc.c:1939
enum AVMediaType codec_type
Definition: avcodec.h:1520
const UID * codec_ul
Definition: mxfenc.c:80
enum AVCodecID codec_id
Definition: avcodec.h:1529
Timecode helpers header.
int sample_rate
samples per second
Definition: avcodec.h:2272
AVIOContext * pb
I/O context.
Definition: avformat.h:1327
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:69
static const UID * mxf_get_mpeg2_codec_ul(AVCodecContext *avctx)
Definition: mxfenc.c:1919
void avio_w8(AVIOContext *s, int b)
Definition: aviobuf.c:156
int samples_per_frame[6]
Definition: mxf.h:75
main external API structure.
Definition: avcodec.h:1512
static void(WINAPI *cond_broadcast)(pthread_cond_t *cond)
static void mxf_write_essence_container_refs(AVFormatContext *s)
Definition: mxfenc.c:591
static unsigned int seed
Definition: videogen.c:78
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:90
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:307
#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:89
static const MXFLocalTagPair mxf_local_tag_batch[]
SMPTE RP210 http://www.smpte-ra.org/mdd/index.html.
Definition: mxfenc.c:354
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:73
static uint64_t mxf_utf16len(const char *utf8_str)
Definition: mxfenc.c:659
static void mxf_write_primer_pack(AVFormatContext *s)
Definition: mxfenc.c:528
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:305
AVRational time_base
Definition: mxfenc.c:303
AVClass * av_class
Definition: mxfenc.c:300
Definition: mxf.h:67
int video_bit_rate
Definition: mxfenc.c:91
static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
Definition: mxfenc.c:877
static const uint8_t uuid_base[]
Definition: mxfenc.c:328
int channel_count
Definition: mxfenc.c:321
Definition: mxf.h:48
#define LIBAVFORMAT_VERSION
Definition: version.h:39
void avio_wb16(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:427
static av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
Definition: rational.h:133
static int flags
Definition: cpu.c:47
#define AV_RL24
Definition: intreadwrite.h:78
static const MXFContainerEssenceEntry mxf_essence_container_uls[]
Definition: mxfenc.c:121
enum AVChromaLocation ff_choose_chroma_location(AVFormatContext *s, AVStream *st)
Chooses a timebase for muxing the specified stream.
Definition: mux.c:118
int gop_size
the number of pictures in a group of pictures, or 0 for intra_only
Definition: avcodec.h:1717
static const MXFLocalTagPair mxf_user_comments_local_tag[]
Definition: mxfenc.c:447
static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
Definition: mxfenc.c:2586
int64_t footer_partition_offset
Definition: mxfenc.c:301
static const uint8_t smpte_12m_timecode_track_data_ul[]
Definition: mxfenc.c:823
Main libavformat public API header.
static void mxf_write_identification(AVFormatContext *s)
Definition: mxfenc.c:713
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:2641
static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type, const char *package_name)
Definition: mxfenc.c:1256
common internal api header.
struct AVPacketList * next
Definition: avformat.h:1876
if(ret< 0)
Definition: vf_mcdeint.c:280
static const uint8_t footer_partition_key[]
Definition: mxfenc.c:336
static int mxf_write_essence_container_data(AVFormatContext *s)
Definition: mxfenc.c:1343
static void write_metadata(AVFormatContext *s, unsigned int ts)
Definition: flvenc.c:199
static double c[64]
void av_init_packet(AVPacket *pkt)
Initialize optional fields of a packet with default values.
Definition: avpacket.c:49
char * key
Definition: dict.h:87
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:576
int field_dominance
tff=1, bff=2
Definition: mxfenc.c:83
static const AVOption d10_options[]
Definition: mxfenc.c:2690
struct AVPacketList * packet_buffer_end
Definition: internal.h:77
int last_key_index
index of last key frame
Definition: mxfenc.c:312
char * value
Definition: dict.h:88
int len
int channels
number of audio channels
Definition: avcodec.h:2273
static void mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
Definition: mxfenc.c:1131
void * priv_data
Format private data.
Definition: avformat.h:1313
static void mxf_gen_umid(AVFormatContext *s)
Definition: mxfenc.c:2011
static void write_header(FFV1Context *f)
Definition: ffv1enc.c:493
uint8_t umid[16]
unique material identifier
Definition: mxfenc.c:320
static void mxf_write_multi_descriptor(AVFormatContext *s)
Definition: mxfenc.c:941
static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1192
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method!=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt)>2){ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc){av_free(ac);returnNULL;}returnac;}in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar){ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar?ac->channels:1;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_log(ac->avr, AV_LOG_TRACE,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> out
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
Definition: avcodec.h:1432
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:329
#define av_freep(p)
static const AVOption opatom_options[]
Definition: mxfenc.c:2706
enum AVFieldOrder field_order
Field order.
Definition: avcodec.h:2269
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:72
unsigned edit_units_count
Definition: mxfenc.c:306
uint32_t av_get_random_seed(void)
Get a seed to use in conjunction with random functions.
Definition: random_seed.c:116
static void mxf_write_sequence(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
Definition: mxfenc.c:849
mpeg1 4:2:0, jpeg 4:2:0, h263 4:2:0
Definition: pixfmt.h:562
UID uid
Definition: mxf.h:68
int stream_index
Definition: avcodec.h:1435
static const uint8_t opatom_ul[]
Definition: mxfenc.c:335
#define DESCRIPTOR_COUNT(essence_container_count)
Definition: mxfenc.c:588
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avformat.h:896
static int mxf_write_opatom_packet(AVFormatContext *s, AVPacket *pkt, MXFIndexEntry *ie)
Definition: mxfenc.c:2362
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:1108
static void mxf_write_umid(AVFormatContext *s, int type)
Definition: mxfenc.c:460
This structure stores compressed data.
Definition: avcodec.h:1410
static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:1742
static int write_packet(AVFormatContext *s1, AVPacket *pkt)
Definition: v4l2enc.c:86
int essence_container_count
Definition: mxfenc.c:302
static int mxf_write_tagged_value(AVFormatContext *s, const char *name, const char *value)
Definition: mxfenc.c:1209
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:339
static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1202
static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
Definition: mxfenc.c:2650
struct AVPacketList * last_in_packet_buffer
last packet in packet_buffer for this stream when muxing.
Definition: avformat.h:1052
AVTimecode tc
timecode context
Definition: mxfenc.c:314
static int mxf_write_footer(AVFormatContext *s)
Definition: mxfenc.c:2523
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:2751