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>
6 * This file is part of FFmpeg.
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.
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.
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
24 * signal_standard, color_siting, store_user_comments, sample rate and klv_fill_key version
25 * fixes sponsored by NOA GmbH
30 * SMPTE 336M KLV Data Encoding Protocol Using Key-Length-Value
31 * SMPTE 377M MXF File Format Specifications
32 * SMPTE 379M MXF Generic Container
33 * SMPTE 381M Mapping MPEG Streams into the MXF Generic Container
34 * SMPTE 422M Mapping JPEG 2000 Codestreams into the MXF Generic Container
35 * SMPTE RP210: SMPTE Metadata Dictionary
36 * SMPTE RP224: Registry of SMPTE Universal Labels
43 #include "libavutil/opt.h"
44 #include "libavutil/random_seed.h"
45 #include "libavutil/timecode.h"
46 #include "libavutil/avassert.h"
47 #include "libavutil/pixdesc.h"
48 #include "libavutil/time_internal.h"
49 #include "libavcodec/bytestream.h"
50 #include "libavcodec/dnxhddata.h"
51 #include "libavcodec/dv_profile.h"
52 #include "libavcodec/h264_ps.h"
53 #include "libavcodec/golomb.h"
54 #include "libavcodec/internal.h"
55 #include "audiointerleave.h"
57 #include "avio_internal.h"
63 extern AVOutputFormat ff_mxf_d10_muxer;
64 extern AVOutputFormat ff_mxf_opatom_muxer;
66 #define EDIT_UNITS_PER_BODY 250
69 typedef struct MXFLocalTagPair {
74 typedef struct MXFIndexEntry {
77 unsigned slice_offset; ///< offset of audio slice
78 uint16_t temporal_ref;
81 typedef struct MXFStreamContext {
82 AudioInterleaveContext aic;
83 UID track_essence_element_key;
84 int index; ///< index in mxf_essence_container_uls table
86 int order; ///< interleaving order if dts are equal
87 int interlaced; ///< whether picture is interlaced
88 int field_dominance; ///< tff=1, bff=2
92 int h_chroma_sub_sample;
93 int v_chroma_sub_sample;
94 int temporal_reordering;
95 AVRational aspect_ratio; ///< display aspect ratio
96 int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
99 int frame_size; ///< frame size in bytes
100 int seq_closed_gop; ///< all gops in sequence are closed, used in mpeg-2 descriptor
101 int max_gop; ///< maximum gop size, used by mpeg-2 descriptor
102 int b_picture_count; ///< maximum number of consecutive b pictures, used in mpeg-2 descriptor
103 int low_delay; ///< low delay, used in mpeg-2 descriptor
107 typedef struct MXFContainerEssenceEntry {
111 void (*write_desc)(AVFormatContext *, AVStream *);
112 } MXFContainerEssenceEntry;
114 typedef struct MXFPackage {
116 enum MXFMetadataSetType type;
118 struct MXFPackage *ref;
125 INDEX_D10_625_50_50_VIDEO,
126 INDEX_D10_625_50_50_AUDIO,
127 INDEX_D10_525_60_50_VIDEO,
128 INDEX_D10_525_60_50_AUDIO,
129 INDEX_D10_625_50_40_VIDEO,
130 INDEX_D10_625_50_40_AUDIO,
131 INDEX_D10_525_60_40_VIDEO,
132 INDEX_D10_525_60_40_AUDIO,
133 INDEX_D10_625_50_30_VIDEO,
134 INDEX_D10_625_50_30_AUDIO,
135 INDEX_D10_525_60_30_VIDEO,
136 INDEX_D10_525_60_30_AUDIO,
140 INDEX_DV25_525_60_IEC,
141 INDEX_DV25_625_50_IEC,
155 static const struct {
158 } mxf_essence_mappings[] = {
159 { AV_CODEC_ID_MPEG2VIDEO, INDEX_MPEG2 },
160 { AV_CODEC_ID_PCM_S24LE, INDEX_AES3 },
161 { AV_CODEC_ID_PCM_S16LE, INDEX_AES3 },
162 { AV_CODEC_ID_DVVIDEO, INDEX_DV },
163 { AV_CODEC_ID_DNXHD, INDEX_DNXHD },
164 { AV_CODEC_ID_JPEG2000, INDEX_JPEG2000 },
165 { AV_CODEC_ID_H264, INDEX_H264 },
166 { AV_CODEC_ID_PRORES, INDEX_PRORES },
170 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
171 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
172 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st);
173 static void mxf_write_h264_desc(AVFormatContext *s, AVStream *st);
174 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
175 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st);
176 static void mxf_write_s436m_anc_desc(AVFormatContext *s, AVStream *st);
178 static const MXFContainerEssenceEntry mxf_essence_container_uls[] = {
179 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
180 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
181 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
182 mxf_write_mpegvideo_desc },
183 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
184 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
185 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
186 mxf_write_aes3_desc },
187 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
188 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
189 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
190 mxf_write_wav_desc },
191 // D-10 625/50 PAL 50mb/s
192 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
193 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
194 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
195 mxf_write_cdci_desc },
196 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
197 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
198 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
199 mxf_write_generic_sound_desc },
200 // D-10 525/60 NTSC 50mb/s
201 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
202 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
203 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 },
204 mxf_write_cdci_desc },
205 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
206 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
207 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
208 mxf_write_generic_sound_desc },
209 // D-10 625/50 PAL 40mb/s
210 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
211 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
212 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 },
213 mxf_write_cdci_desc },
214 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
215 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
216 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
217 mxf_write_generic_sound_desc },
218 // D-10 525/60 NTSC 40mb/s
219 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
220 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
221 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 },
222 mxf_write_cdci_desc },
223 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
224 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
225 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
226 mxf_write_generic_sound_desc },
227 // D-10 625/50 PAL 30mb/s
228 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
229 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
230 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 },
231 mxf_write_cdci_desc },
232 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
233 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
234 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
235 mxf_write_generic_sound_desc },
236 // D-10 525/60 NTSC 30mb/s
237 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
238 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
239 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 },
240 mxf_write_cdci_desc },
241 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
242 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
243 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
244 mxf_write_generic_sound_desc },
246 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
247 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
248 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
249 mxf_write_cdci_desc },
252 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 },
253 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
254 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
255 mxf_write_cdci_desc },
257 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 },
258 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
259 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 },
260 mxf_write_cdci_desc },
263 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x01,0x01 },
264 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
265 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
266 mxf_write_cdci_desc },
268 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x02,0x01 },
269 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
270 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x02,0x00 },
271 mxf_write_cdci_desc },
274 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 },
275 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
276 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 },
277 mxf_write_cdci_desc },
279 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 },
280 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
281 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 },
282 mxf_write_cdci_desc },
284 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 },
285 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
286 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 },
287 mxf_write_cdci_desc },
289 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 },
290 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
291 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 },
292 mxf_write_cdci_desc },
294 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 },
295 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
296 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 },
297 mxf_write_cdci_desc },
299 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 },
300 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
301 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 },
302 mxf_write_cdci_desc },
304 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
305 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
306 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
307 mxf_write_cdci_desc },
309 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
310 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
311 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 },
312 mxf_write_cdci_desc },
314 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 },
315 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
316 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
317 mxf_write_h264_desc },
319 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x0e,0x00,0x00 },
320 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x17,0x01,0x02,0x00 },
321 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x01,0x5C,0x00 },
322 mxf_write_s436m_anc_desc },
324 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x0d,0x01,0x03,0x01,0x02,0x1c,0x01,0x00 },
325 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x17,0x00 },
326 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x03,0x00 },
327 mxf_write_cdci_desc },
328 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
329 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
330 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
334 typedef struct MXFContext {
336 int64_t footer_partition_offset;
337 int essence_container_count;
338 AVRational time_base;
340 MXFIndexEntry *index_entries;
341 unsigned edit_units_count;
342 uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
343 uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
344 int last_indexed_edit_unit;
345 uint64_t *body_partition_offset;
346 unsigned body_partitions_count;
347 int last_key_index; ///< index of last key frame
349 AVTimecode tc; ///< timecode context
350 AVStream *timecode_track;
351 int timecode_base; ///< rounded time code base (25 or 30)
352 int edit_unit_byte_count; ///< fixed edit unit byte count
353 int content_package_rate; ///< content package rate in system element, see SMPTE 326M
354 uint64_t body_offset;
355 uint32_t instance_number;
356 uint8_t umid[16]; ///< unique material identifier
359 uint32_t tagged_value_count;
360 AVRational audio_edit_rate;
361 int store_user_comments;
362 int track_instance_count; // used to generate MXFTrack uuids
363 int cbr_index; ///< use a constant bitrate index
366 static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
367 static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
370 * complete key for operation pattern, partitions, and primer pack
372 static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
373 static const uint8_t opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 };
374 static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
375 static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
376 static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
377 static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
378 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
379 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
380 static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
381 static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
384 * partial key for header metadata
386 static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
387 static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
390 * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
391 * https://smpte-ra.org/sites/default/files/Labels.xml
393 static const MXFLocalTagPair mxf_local_tag_batch[] = {
395 { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
396 { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
397 { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
398 { 0x3B07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x04,0x00,0x00,0x00}}, /* Object Model Version */
399 { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
400 { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
401 { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
402 { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
403 { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
405 { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
406 { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
407 { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
408 { 0x3C03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x04,0x00,0x00,0x00}}, /* Product Version */
409 { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
410 { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
411 { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
412 { 0x3C07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x0A,0x00,0x00,0x00}}, /* Toolkit Version */
413 { 0x3C08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x06,0x01,0x00,0x00}}, /* Platform */
415 { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
416 { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
417 // Essence Container Data
418 { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
419 { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
421 { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
422 { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
423 { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
424 { 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */
425 { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
426 { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
428 { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
429 { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
430 { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
431 { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
432 { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
434 { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
435 { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
436 { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
438 { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
439 { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
440 { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
441 // Timecode Component
442 { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
443 { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
444 { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
446 { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
447 { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
448 { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
449 { 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */
450 { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
451 // Generic Picture Essence Descriptor
452 { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
453 { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
454 { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
455 { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
456 { 0x3216, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x03,0x02,0x08,0x00,0x00,0x00}}, /* Stored F2 Offset */
457 { 0x3205, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x08,0x00,0x00,0x00}}, /* Sampled Width */
458 { 0x3204, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x07,0x00,0x00,0x00}}, /* Sampled Height */
459 { 0x3206, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x09,0x00,0x00,0x00}}, /* Sampled X Offset */
460 { 0x3207, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0A,0x00,0x00,0x00}}, /* Sampled Y Offset */
461 { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
462 { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
463 { 0x320A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0D,0x00,0x00,0x00}}, /* Display X offset */
464 { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */
465 { 0x3217, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x03,0x02,0x07,0x00,0x00,0x00}}, /* Display F2 offset */
466 { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
467 { 0x3210, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x02,0x01,0x01,0x01,0x02,0x00}}, /* Transfer characteristic */
468 { 0x3213, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x02,0x00,0x00,0x00,0x00}}, /* Image Start Offset */
469 { 0x3214, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Image End Offset */
470 { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
471 { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
472 { 0x3215, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x05,0x01,0x13,0x00,0x00,0x00,0x00}}, /* Signal Standard */
473 // CDCI Picture Essence Descriptor
474 { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
475 { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
476 { 0x3308, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x01,0x10,0x00,0x00,0x00}}, /* Vertical Subsampling */
477 { 0x3303, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x06,0x00,0x00,0x00}}, /* Color Siting */
478 { 0x3307, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x04,0x00,0x00,0x00,0x00}}, /* Padding Bits */
479 { 0x3304, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x03,0x03,0x00,0x00,0x00}}, /* Black Ref level */
480 { 0x3305, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x03,0x04,0x00,0x00,0x00}}, /* White Ref level */
481 { 0x3306, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x05,0x00,0x00,0x00}}, /* Color Range */
482 // Generic Sound Essence Descriptor
483 { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
484 { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
485 { 0x3D04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x02,0x01,0x01,0x03,0x00,0x00,0x00}}, /* Audio Ref Level */
486 { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
487 { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
488 { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
489 // Index Table Segment
490 { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
491 { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
492 { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
493 { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
494 { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
495 { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
496 { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
497 { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
498 // MPEG video Descriptor
499 { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
500 { 0x8003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x05,0x00,0x00}}, /* LowDelay */
501 { 0x8004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x06,0x00,0x00}}, /* ClosedGOP */
502 { 0x8006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x08,0x00,0x00}}, /* MaxGOP */
503 { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
504 { 0x8008, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x09,0x00,0x00}}, /* BPictureCount */
505 // Wave Audio Essence Descriptor
506 { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
507 { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
510 static const MXFLocalTagPair mxf_avc_subdescriptor_local_tags[] = {
511 { 0x8100, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x09,0x06,0x01,0x01,0x04,0x06,0x10,0x00,0x00}}, /* SubDescriptors */
512 { 0x8200, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0E,0x00,0x00}}, /* AVC Decoding Delay */
513 { 0x8201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0A,0x00,0x00}}, /* AVC Profile */
514 { 0x8202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0D,0x00,0x00}}, /* AVC Level */
517 static const MXFLocalTagPair mxf_user_comments_local_tag[] = {
518 { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */
519 { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */
520 { 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */
523 static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
525 avio_write(pb, uuid_base, 12);
527 avio_wb16(pb, value);
530 static void mxf_write_umid(AVFormatContext *s, int type)
532 MXFContext *mxf = s->priv_data;
533 avio_write(s->pb, umid_ul, 13);
534 avio_wb24(s->pb, mxf->instance_number);
535 avio_write(s->pb, mxf->umid, 15);
536 avio_w8(s->pb, type);
539 static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
541 avio_wb32(pb, ref_count);
545 static int klv_ber_length(uint64_t len)
550 return (av_log2(len) >> 3) + 2;
553 static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
555 // Determine the best BER size
556 int size = klv_ber_length(len);
565 avio_w8(pb, 0x80 + size);
568 avio_w8(pb, len >> 8 * size & 0xff);
573 static void klv_encode_ber4_length(AVIOContext *pb, int len)
575 avio_w8(pb, 0x80 + 3);
579 static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
581 avio_w8(pb, 0x80 + 8);
586 * Get essence container ul index
588 static int mxf_get_essence_container_ul_index(enum AVCodecID id)
591 for (i = 0; mxf_essence_mappings[i].id; i++)
592 if (mxf_essence_mappings[i].id == id)
593 return mxf_essence_mappings[i].index;
597 static void mxf_write_local_tags(AVIOContext *pb, const MXFLocalTagPair *local_tags, int count)
600 for (i = 0; i < count; i++) {
601 avio_wb16(pb, local_tags[i].local_tag);
602 avio_write(pb, local_tags[i].uid, 16);
606 static void mxf_write_primer_pack(AVFormatContext *s)
608 MXFContext *mxf = s->priv_data;
609 AVIOContext *pb = s->pb;
610 int local_tag_number, i = 0;
611 int avc_tags_count = 0;
613 local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch);
614 local_tag_number += mxf->store_user_comments * FF_ARRAY_ELEMS(mxf_user_comments_local_tag);
616 for (i = 0; i < s->nb_streams; i++) {
617 MXFStreamContext *sc = s->streams[i]->priv_data;
618 if (s->streams[i]->codecpar->codec_id == AV_CODEC_ID_H264 && !sc->avc_intra) {
619 avc_tags_count = FF_ARRAY_ELEMS(mxf_avc_subdescriptor_local_tags);
620 local_tag_number += avc_tags_count;
624 avio_write(pb, primer_pack_key, 16);
625 klv_encode_ber_length(pb, local_tag_number * 18 + 8);
627 avio_wb32(pb, local_tag_number); // local_tag num
628 avio_wb32(pb, 18); // item size, always 18 according to the specs
630 for (i = 0; i < FF_ARRAY_ELEMS(mxf_local_tag_batch); i++) {
631 avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
632 avio_write(pb, mxf_local_tag_batch[i].uid, 16);
634 if (mxf->store_user_comments)
635 for (i = 0; i < FF_ARRAY_ELEMS(mxf_user_comments_local_tag); i++) {
636 avio_wb16(pb, mxf_user_comments_local_tag[i].local_tag);
637 avio_write(pb, mxf_user_comments_local_tag[i].uid, 16);
639 if (avc_tags_count > 0)
640 mxf_write_local_tags(pb, mxf_avc_subdescriptor_local_tags, avc_tags_count);
643 static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
649 static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
651 avio_write(pb, header_metadata_key, 13);
652 avio_wb24(pb, value);
655 static void mxf_free(AVFormatContext *s)
659 for (i = 0; i < s->nb_streams; i++) {
660 AVStream *st = s->streams[i];
661 av_freep(&st->priv_data);
665 static const MXFCodecUL *mxf_get_data_definition_ul(int type)
667 const MXFCodecUL *uls = ff_mxf_data_definition_uls;
668 while (uls->uid[0]) {
676 //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
677 #define DESCRIPTOR_COUNT(essence_container_count) \
678 (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
680 static void mxf_write_essence_container_refs(AVFormatContext *s)
682 MXFContext *c = s->priv_data;
683 AVIOContext *pb = s->pb;
686 mxf_write_refs_count(pb, DESCRIPTOR_COUNT(c->essence_container_count));
687 av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
688 for (i = 0; i < s->nb_streams; i++) {
689 MXFStreamContext *sc = s->streams[i]->priv_data;
690 // check first track of essence container type and only write it once
691 if (sc->track_essence_element_key[15] != 0)
693 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
694 if (c->essence_container_count == 1)
698 if (c->essence_container_count > 1)
699 avio_write(pb, multiple_desc_ul, 16);
702 static void mxf_write_preface(AVFormatContext *s)
704 MXFContext *mxf = s->priv_data;
705 AVIOContext *pb = s->pb;
707 mxf_write_metadata_key(pb, 0x012f00);
708 PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
709 klv_encode_ber_length(pb, 138 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
711 // write preface set uid
712 mxf_write_local_tag(pb, 16, 0x3C0A);
713 mxf_write_uuid(pb, Preface, 0);
714 PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
716 // last modified date
717 mxf_write_local_tag(pb, 8, 0x3B02);
718 avio_wb64(pb, mxf->timestamp);
721 mxf_write_local_tag(pb, 2, 0x3B05);
722 avio_wb16(pb, 259); // v1.3
724 // Object Model Version
725 mxf_write_local_tag(pb, 4, 0x3B07);
728 // write identification_refs
729 mxf_write_local_tag(pb, 16 + 8, 0x3B06);
730 mxf_write_refs_count(pb, 1);
731 mxf_write_uuid(pb, Identification, 0);
733 // write content_storage_refs
734 mxf_write_local_tag(pb, 16, 0x3B03);
735 mxf_write_uuid(pb, ContentStorage, 0);
737 // operational pattern
738 mxf_write_local_tag(pb, 16, 0x3B09);
739 if (s->oformat == &ff_mxf_opatom_muxer)
740 avio_write(pb, opatom_ul, 16);
742 avio_write(pb, op1a_ul, 16);
744 // write essence_container_refs
745 mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A);
746 mxf_write_essence_container_refs(s);
748 // write dm_scheme_refs
749 mxf_write_local_tag(pb, 8, 0x3B0B);
754 * Returns the length of the UTF-16 string, in 16-bit characters, that would result
755 * from decoding the utf-8 string.
757 static uint64_t mxf_utf16len(const char *utf8_str)
759 const uint8_t *q = utf8_str;
763 GET_UTF8(ch, *q++, goto invalid;)
770 av_log(NULL, AV_LOG_ERROR, "Invalid UTF8 sequence in mxf_utf16len\n\n");
777 * Returns the calculated length a local tag containing an utf-8 string as utf-16
779 static int mxf_utf16_local_tag_length(const char *utf8_str)
786 size = mxf_utf16len(utf8_str);
787 if (size >= UINT16_MAX/2) {
788 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
796 * Write a local tag containing an utf-8 string as utf-16
798 static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
800 uint64_t size = mxf_utf16len(value);
802 if (size >= UINT16_MAX/2) {
803 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
807 mxf_write_local_tag(pb, size*2, tag);
808 avio_put_str16be(pb, value);
811 static void store_version(AVFormatContext *s){
812 AVIOContext *pb = s->pb;
814 if (s->flags & AVFMT_FLAG_BITEXACT) {
815 avio_wb16(pb, 0); // major
816 avio_wb16(pb, 0); // minor
817 avio_wb16(pb, 0); // tertiary
819 avio_wb16(pb, LIBAVFORMAT_VERSION_MAJOR); // major
820 avio_wb16(pb, LIBAVFORMAT_VERSION_MINOR); // minor
821 avio_wb16(pb, LIBAVFORMAT_VERSION_MICRO); // tertiary
823 avio_wb16(pb, 0); // patch
824 avio_wb16(pb, 0); // release
827 static void mxf_write_identification(AVFormatContext *s)
829 MXFContext *mxf = s->priv_data;
830 AVIOContext *pb = s->pb;
831 const char *company = "FFmpeg";
832 const char *product = s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer";
836 mxf_write_metadata_key(pb, 0x013000);
837 PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
839 version = s->flags & AVFMT_FLAG_BITEXACT ?
840 "0.0.0" : AV_STRINGIFY(LIBAVFORMAT_VERSION);
841 length = 100 +mxf_utf16_local_tag_length(company) +
842 mxf_utf16_local_tag_length(product) +
843 mxf_utf16_local_tag_length(version);
844 klv_encode_ber_length(pb, length);
847 mxf_write_local_tag(pb, 16, 0x3C0A);
848 mxf_write_uuid(pb, Identification, 0);
849 PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
851 // write generation uid
852 mxf_write_local_tag(pb, 16, 0x3C09);
853 mxf_write_uuid(pb, Identification, 1);
854 mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
855 mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
857 mxf_write_local_tag(pb, 10, 0x3C03); // Product Version
860 mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
863 mxf_write_local_tag(pb, 16, 0x3C05);
864 mxf_write_uuid(pb, Identification, 2);
867 mxf_write_local_tag(pb, 8, 0x3C06);
868 avio_wb64(pb, mxf->timestamp);
870 mxf_write_local_tag(pb, 10, 0x3C07); // Toolkit Version
874 static void mxf_write_content_storage(AVFormatContext *s, MXFPackage *packages, int package_count)
876 AVIOContext *pb = s->pb;
879 mxf_write_metadata_key(pb, 0x011800);
880 PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
881 klv_encode_ber_length(pb, 60 + (16 * package_count));
884 mxf_write_local_tag(pb, 16, 0x3C0A);
885 mxf_write_uuid(pb, ContentStorage, 0);
886 PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
888 // write package reference
889 mxf_write_local_tag(pb, 16 * package_count + 8, 0x1901);
890 mxf_write_refs_count(pb, package_count);
891 for (i = 0; i < package_count; i++) {
892 mxf_write_uuid(pb, packages[i].type, packages[i].instance);
895 // write essence container data
896 mxf_write_local_tag(pb, 8 + 16, 0x1902);
897 mxf_write_refs_count(pb, 1);
898 mxf_write_uuid(pb, EssenceContainerData, 0);
901 static void mxf_write_track(AVFormatContext *s, AVStream *st, MXFPackage *package)
903 MXFContext *mxf = s->priv_data;
904 AVIOContext *pb = s->pb;
905 MXFStreamContext *sc = st->priv_data;
907 mxf_write_metadata_key(pb, 0x013b00);
908 PRINT_KEY(s, "track key", pb->buf_ptr - 16);
909 klv_encode_ber_length(pb, 80);
912 mxf_write_local_tag(pb, 16, 0x3C0A);
913 mxf_write_uuid(pb, Track, mxf->track_instance_count);
914 PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
917 mxf_write_local_tag(pb, 4, 0x4801);
918 avio_wb32(pb, st->index+2);
920 // write track number
921 mxf_write_local_tag(pb, 4, 0x4804);
922 if (package->type == MaterialPackage)
923 avio_wb32(pb, 0); // track number of material package is 0
925 avio_write(pb, sc->track_essence_element_key + 12, 4);
928 mxf_write_local_tag(pb, 8, 0x4B01);
930 if (st == mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer) {
931 avio_wb32(pb, mxf->tc.rate.num);
932 avio_wb32(pb, mxf->tc.rate.den);
934 avio_wb32(pb, mxf->time_base.den);
935 avio_wb32(pb, mxf->time_base.num);
939 mxf_write_local_tag(pb, 8, 0x4B02);
942 // write sequence refs
943 mxf_write_local_tag(pb, 16, 0x4803);
944 mxf_write_uuid(pb, Sequence, mxf->track_instance_count);
947 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 };
949 static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
951 MXFContext *mxf = s->priv_data;
952 AVIOContext *pb = s->pb;
954 // find data define uls
955 mxf_write_local_tag(pb, 16, 0x0201);
956 if (st == mxf->timecode_track)
957 avio_write(pb, smpte_12m_timecode_track_data_ul, 16);
959 const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codecpar->codec_type);
960 avio_write(pb, data_def_ul->uid, 16);
964 mxf_write_local_tag(pb, 8, 0x0202);
966 if (st != mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer && st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
967 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
969 avio_wb64(pb, mxf->duration);
973 static void mxf_write_sequence(AVFormatContext *s, AVStream *st, MXFPackage *package)
975 MXFContext *mxf = s->priv_data;
976 AVIOContext *pb = s->pb;
977 enum MXFMetadataSetType component;
979 mxf_write_metadata_key(pb, 0x010f00);
980 PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
981 klv_encode_ber_length(pb, 80);
983 mxf_write_local_tag(pb, 16, 0x3C0A);
984 mxf_write_uuid(pb, Sequence, mxf->track_instance_count);
986 PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
987 mxf_write_common_fields(s, st);
989 // write structural component
990 mxf_write_local_tag(pb, 16 + 8, 0x1001);
991 mxf_write_refs_count(pb, 1);
992 if (st == mxf->timecode_track)
993 component = TimecodeComponent;
995 component = SourceClip;
997 mxf_write_uuid(pb, component, mxf->track_instance_count);
1000 static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, MXFPackage *package)
1002 MXFContext *mxf = s->priv_data;
1003 AVIOContext *pb = s->pb;
1005 mxf_write_metadata_key(pb, 0x011400);
1006 klv_encode_ber_length(pb, 75);
1009 mxf_write_local_tag(pb, 16, 0x3C0A);
1010 mxf_write_uuid(pb, TimecodeComponent, mxf->track_instance_count);
1012 mxf_write_common_fields(s, st);
1015 mxf_write_local_tag(pb, 8, 0x1501);
1016 avio_wb64(pb, mxf->tc.start);
1018 // Rounded Time Code Base
1019 mxf_write_local_tag(pb, 2, 0x1502);
1020 avio_wb16(pb, mxf->timecode_base);
1023 mxf_write_local_tag(pb, 1, 0x1503);
1024 avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
1027 static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, MXFPackage *package)
1029 MXFContext *mxf = s->priv_data;
1030 AVIOContext *pb = s->pb;
1033 mxf_write_metadata_key(pb, 0x011100);
1034 PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
1035 klv_encode_ber_length(pb, 108);
1038 mxf_write_local_tag(pb, 16, 0x3C0A);
1039 mxf_write_uuid(pb, SourceClip, mxf->track_instance_count);
1041 PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
1042 mxf_write_common_fields(s, st);
1044 // write start_position
1045 mxf_write_local_tag(pb, 8, 0x1201);
1048 // write source package uid, end of the reference
1049 mxf_write_local_tag(pb, 32, 0x1101);
1050 if (!package->ref) {
1051 for (i = 0; i < 4; i++)
1054 mxf_write_umid(s, package->ref->instance);
1056 // write source track id
1057 mxf_write_local_tag(pb, 4, 0x1102);
1058 if (package->type == SourcePackage && !package->ref)
1061 avio_wb32(pb, st->index+2);
1064 static void mxf_write_tape_descriptor(AVFormatContext *s)
1066 AVIOContext *pb = s->pb;
1068 mxf_write_metadata_key(pb, 0x012e00);
1069 PRINT_KEY(s, "tape descriptor key", pb->buf_ptr - 16);
1070 klv_encode_ber_length(pb, 20);
1071 mxf_write_local_tag(pb, 16, 0x3C0A);
1072 mxf_write_uuid(pb, TapeDescriptor, 0);
1073 PRINT_KEY(s, "tape_desc uid", pb->buf_ptr - 16);
1077 static void mxf_write_multi_descriptor(AVFormatContext *s)
1079 MXFContext *mxf = s->priv_data;
1080 AVIOContext *pb = s->pb;
1084 mxf_write_metadata_key(pb, 0x014400);
1085 PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
1086 klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
1088 mxf_write_local_tag(pb, 16, 0x3C0A);
1089 mxf_write_uuid(pb, MultipleDescriptor, 0);
1090 PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
1092 // write sample rate
1093 mxf_write_local_tag(pb, 8, 0x3001);
1094 avio_wb32(pb, mxf->time_base.den);
1095 avio_wb32(pb, mxf->time_base.num);
1097 // write essence container ul
1098 mxf_write_local_tag(pb, 16, 0x3004);
1099 if (mxf->essence_container_count > 1)
1100 ul = multiple_desc_ul;
1102 MXFStreamContext *sc = s->streams[0]->priv_data;
1103 ul = mxf_essence_container_uls[sc->index].container_ul;
1105 avio_write(pb, ul, 16);
1107 // write sub descriptor refs
1108 mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01);
1109 mxf_write_refs_count(pb, s->nb_streams);
1110 for (i = 0; i < s->nb_streams; i++)
1111 mxf_write_uuid(pb, SubDescriptor, i);
1114 static int64_t mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key)
1116 MXFContext *mxf = s->priv_data;
1117 MXFStreamContext *sc = st->priv_data;
1118 AVIOContext *pb = s->pb;
1121 avio_write(pb, key, 16);
1122 klv_encode_ber4_length(pb, 0);
1123 pos = avio_tell(pb);
1125 mxf_write_local_tag(pb, 16, 0x3C0A);
1126 mxf_write_uuid(pb, SubDescriptor, st->index);
1128 mxf_write_local_tag(pb, 4, 0x3006);
1129 avio_wb32(pb, st->index+2);
1131 mxf_write_local_tag(pb, 8, 0x3001);
1132 if (s->oformat == &ff_mxf_d10_muxer) {
1133 avio_wb32(pb, mxf->time_base.den);
1134 avio_wb32(pb, mxf->time_base.num);
1136 if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S16LE ||
1137 st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
1138 avio_wb32(pb, st->codecpar->sample_rate);
1141 avio_wb32(pb, mxf->time_base.den);
1142 avio_wb32(pb, mxf->time_base.num);
1146 mxf_write_local_tag(pb, 16, 0x3004);
1147 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
1152 static const UID mxf_s436m_anc_descriptor_key = { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x5c,0x00 };
1153 static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
1154 static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
1155 static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
1156 static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
1157 static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
1159 static const UID mxf_avc_subdescriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x6E,0x00 };
1161 static int get_trc(UID ul, enum AVColorTransferCharacteristic trc)
1164 case AVCOL_TRC_GAMMA28 :
1165 case AVCOL_TRC_GAMMA22 :
1166 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x01,0x00,0x00}), 16);
1168 case AVCOL_TRC_BT709 :
1169 case AVCOL_TRC_SMPTE170M :
1170 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x02,0x00,0x00}), 16);
1172 case AVCOL_TRC_SMPTE240M :
1173 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x03,0x00,0x00}), 16);
1175 case AVCOL_TRC_BT1361_ECG:
1176 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x06,0x04,0x01,0x01,0x01,0x01,0x05,0x00,0x00}), 16);
1178 case AVCOL_TRC_LINEAR :
1179 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x06,0x04,0x01,0x01,0x01,0x01,0x06,0x00,0x00}), 16);
1181 case AVCOL_TRC_SMPTE428 :
1182 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x08,0x04,0x01,0x01,0x01,0x01,0x07,0x00,0x00}), 16);
1189 static int64_t mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key)
1191 MXFStreamContext *sc = st->priv_data;
1192 AVIOContext *pb = s->pb;
1193 int stored_width = 0;
1194 int stored_height = (st->codecpar->height+15)/16*16;
1197 UID transfer_ul = {0};
1198 int64_t pos = mxf_write_generic_desc(s, st, key);
1200 get_trc(transfer_ul, st->codecpar->color_trc);
1202 if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) {
1203 if (st->codecpar->height == 1080)
1204 stored_width = 1920;
1205 else if (st->codecpar->height == 720)
1206 stored_width = 1280;
1209 stored_width = (st->codecpar->width+15)/16*16;
1211 mxf_write_local_tag(pb, 4, 0x3203);
1212 avio_wb32(pb, stored_width);
1214 mxf_write_local_tag(pb, 4, 0x3202);
1215 avio_wb32(pb, stored_height>>sc->interlaced);
1217 if (s->oformat == &ff_mxf_d10_muxer) {
1219 mxf_write_local_tag(pb, 4, 0x3216);
1222 //Image Start Offset
1223 mxf_write_local_tag(pb, 4, 0x3213);
1227 mxf_write_local_tag(pb, 4, 0x3214);
1232 mxf_write_local_tag(pb, 4, 0x3205);
1233 avio_wb32(pb, stored_width);
1236 mxf_write_local_tag(pb, 4, 0x3204);
1237 avio_wb32(pb, st->codecpar->height>>sc->interlaced);
1240 mxf_write_local_tag(pb, 4, 0x3206);
1244 mxf_write_local_tag(pb, 4, 0x3207);
1247 mxf_write_local_tag(pb, 4, 0x3209);
1248 avio_wb32(pb, stored_width);
1250 if (st->codecpar->height == 608) // PAL + VBI
1251 display_height = 576;
1252 else if (st->codecpar->height == 512) // NTSC + VBI
1253 display_height = 486;
1255 display_height = st->codecpar->height;
1257 mxf_write_local_tag(pb, 4, 0x3208);
1258 avio_wb32(pb, display_height>>sc->interlaced);
1261 mxf_write_local_tag(pb, 4, 0x320A);
1265 mxf_write_local_tag(pb, 4, 0x320B);
1266 avio_wb32(pb, (st->codecpar->height - display_height)>>sc->interlaced);
1268 if (sc->interlaced) {
1270 mxf_write_local_tag(pb, 4, 0x3217);
1271 avio_wb32(pb, -((st->codecpar->height - display_height)&1));
1275 mxf_write_local_tag(pb, 4, 0x3301);
1276 avio_wb32(pb, sc->component_depth);
1278 // horizontal subsampling
1279 mxf_write_local_tag(pb, 4, 0x3302);
1280 avio_wb32(pb, sc->h_chroma_sub_sample);
1282 // vertical subsampling
1283 mxf_write_local_tag(pb, 4, 0x3308);
1284 avio_wb32(pb, sc->v_chroma_sub_sample);
1287 mxf_write_local_tag(pb, 1, 0x3303);
1288 avio_w8(pb, sc->color_siting);
1291 mxf_write_local_tag(pb, 2, 0x3307);
1294 if (st->codecpar->color_range != AVCOL_RANGE_UNSPECIFIED) {
1296 white = (1<<sc->component_depth) - 1,
1297 color = (1<<sc->component_depth) - 1;
1298 if (st->codecpar->color_range == AVCOL_RANGE_MPEG) {
1299 black = 1 << (sc->component_depth - 4);
1300 white = 235 << (sc->component_depth - 8);
1301 color = (14 << (sc->component_depth - 4)) + 1;
1303 mxf_write_local_tag(pb, 4, 0x3304);
1304 avio_wb32(pb, black);
1305 mxf_write_local_tag(pb, 4, 0x3305);
1306 avio_wb32(pb, white);
1307 mxf_write_local_tag(pb, 4, 0x3306);
1308 avio_wb32(pb, color);
1311 if (sc->signal_standard) {
1312 mxf_write_local_tag(pb, 1, 0x3215);
1313 avio_w8(pb, sc->signal_standard);
1317 mxf_write_local_tag(pb, 1, 0x320C);
1318 avio_w8(pb, sc->interlaced);
1321 switch (st->codecpar->height) {
1322 case 576: f1 = 23; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break;
1323 case 608: f1 = 7; f2 = 320; break;
1324 case 480: f1 = 20; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
1325 case 512: f1 = 7; f2 = 270; break;
1326 case 720: f1 = 26; f2 = 0; break; // progressive
1327 case 1080: f1 = 21; f2 = 584; break;
1328 default: f1 = 0; f2 = 0; break;
1331 if (!sc->interlaced && f2) {
1337 mxf_write_local_tag(pb, 16, 0x320D);
1343 mxf_write_local_tag(pb, 8, 0x320E);
1344 avio_wb32(pb, sc->aspect_ratio.num);
1345 avio_wb32(pb, sc->aspect_ratio.den);
1347 //Transfer characteristic
1348 if (transfer_ul[0]) {
1349 mxf_write_local_tag(pb, 16, 0x3210);
1350 avio_write(pb, transfer_ul, 16);
1353 mxf_write_local_tag(pb, 16, 0x3201);
1354 avio_write(pb, *sc->codec_ul, 16);
1356 if (sc->interlaced && sc->field_dominance) {
1357 mxf_write_local_tag(pb, 1, 0x3212);
1358 avio_w8(pb, sc->field_dominance);
1361 if (st->codecpar->codec_id == AV_CODEC_ID_H264 && !sc->avc_intra) {
1362 // write avc sub descriptor ref
1363 mxf_write_local_tag(pb, 8 + 16, 0x8100);
1364 mxf_write_refs_count(pb, 1);
1365 mxf_write_uuid(pb, AVCSubDescriptor, 0);
1371 static void mxf_update_klv_size(AVIOContext *pb, int64_t pos)
1373 int64_t cur_pos = avio_tell(pb);
1374 int size = cur_pos - pos;
1375 avio_seek(pb, pos - 4, SEEK_SET);
1376 klv_encode_ber4_length(pb, size);
1377 avio_seek(pb, cur_pos, SEEK_SET);
1380 static void mxf_write_avc_subdesc(AVFormatContext *s, AVStream *st)
1382 AVIOContext *pb = s->pb;
1385 avio_write(pb, mxf_avc_subdescriptor_key, 16);
1386 klv_encode_ber4_length(pb, 0);
1387 pos = avio_tell(pb);
1389 mxf_write_local_tag(pb, 16, 0x3C0A);
1390 mxf_write_uuid(pb, AVCSubDescriptor, 0);
1392 mxf_write_local_tag(pb, 1, 0x8200);
1393 avio_w8(pb, 0xFF); // AVC Decoding Delay, unknown
1395 mxf_write_local_tag(pb, 1, 0x8201);
1396 avio_w8(pb, st->codecpar->profile); // AVC Profile
1398 mxf_write_local_tag(pb, 1, 0x8202);
1399 avio_w8(pb, st->codecpar->level); // AVC Level
1401 mxf_update_klv_size(s->pb, pos);
1404 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
1406 int64_t pos = mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key);
1407 mxf_update_klv_size(s->pb, pos);
1409 if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
1410 mxf_write_avc_subdesc(s, st);
1414 static void mxf_write_h264_desc(AVFormatContext *s, AVStream *st)
1416 MXFStreamContext *sc = st->priv_data;
1417 if (sc->avc_intra) {
1418 mxf_write_mpegvideo_desc(s, st);
1420 int64_t pos = mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key);
1421 mxf_update_klv_size(s->pb, pos);
1422 mxf_write_avc_subdesc(s, st);
1426 static void mxf_write_s436m_anc_desc(AVFormatContext *s, AVStream *st)
1428 int64_t pos = mxf_write_generic_desc(s, st, mxf_s436m_anc_descriptor_key);
1429 mxf_update_klv_size(s->pb, pos);
1432 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
1434 AVIOContext *pb = s->pb;
1435 MXFStreamContext *sc = st->priv_data;
1436 int profile_and_level = (st->codecpar->profile<<4) | st->codecpar->level;
1437 int64_t pos = mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key);
1439 if (st->codecpar->codec_id != AV_CODEC_ID_H264) {
1441 mxf_write_local_tag(pb, 4, 0x8000);
1442 avio_wb32(pb, sc->video_bit_rate);
1444 // profile and level
1445 mxf_write_local_tag(pb, 1, 0x8007);
1446 if (!st->codecpar->profile)
1447 profile_and_level |= 0x80; // escape bit
1448 avio_w8(pb, profile_and_level);
1451 mxf_write_local_tag(pb, 1, 0x8003);
1452 avio_w8(pb, sc->low_delay);
1455 mxf_write_local_tag(pb, 1, 0x8004);
1456 avio_w8(pb, sc->seq_closed_gop);
1459 mxf_write_local_tag(pb, 2, 0x8006);
1460 avio_wb16(pb, sc->max_gop);
1463 mxf_write_local_tag(pb, 2, 0x8008);
1464 avio_wb16(pb, sc->b_picture_count);
1467 mxf_update_klv_size(pb, pos);
1470 static int64_t mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key)
1472 AVIOContext *pb = s->pb;
1473 MXFContext *mxf = s->priv_data;
1474 int show_warnings = !mxf->footer_partition_offset;
1475 int64_t pos = mxf_write_generic_desc(s, st, key);
1477 if (s->oformat == &ff_mxf_opatom_muxer) {
1478 mxf_write_local_tag(pb, 8, 0x3002);
1479 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
1483 mxf_write_local_tag(pb, 1, 0x3D02);
1486 // write audio sampling rate
1487 mxf_write_local_tag(pb, 8, 0x3D03);
1488 avio_wb32(pb, st->codecpar->sample_rate);
1491 if (s->oformat == &ff_mxf_d10_muxer) {
1492 mxf_write_local_tag(pb, 1, 0x3D04);
1496 mxf_write_local_tag(pb, 4, 0x3D07);
1497 if (mxf->channel_count == -1) {
1498 if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codecpar->channels != 4) && (st->codecpar->channels != 8))
1499 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");
1500 avio_wb32(pb, st->codecpar->channels);
1501 } else if (s->oformat == &ff_mxf_d10_muxer) {
1502 if (show_warnings && (mxf->channel_count < st->codecpar->channels))
1503 av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1504 if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1505 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");
1506 avio_wb32(pb, mxf->channel_count);
1508 avio_wb32(pb, st->codecpar->channels);
1511 mxf_write_local_tag(pb, 4, 0x3D01);
1512 avio_wb32(pb, av_get_bits_per_sample(st->codecpar->codec_id));
1517 static int64_t mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key)
1519 AVIOContext *pb = s->pb;
1520 int64_t pos = mxf_write_generic_sound_common(s, st, key);
1522 mxf_write_local_tag(pb, 2, 0x3D0A);
1523 avio_wb16(pb, st->codecpar->block_align);
1525 // avg bytes per sec
1526 mxf_write_local_tag(pb, 4, 0x3D09);
1527 avio_wb32(pb, st->codecpar->block_align*st->codecpar->sample_rate);
1532 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
1534 int64_t pos = mxf_write_wav_common(s, st, mxf_wav_descriptor_key);
1535 mxf_update_klv_size(s->pb, pos);
1538 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
1540 int64_t pos = mxf_write_wav_common(s, st, mxf_aes3_descriptor_key);
1541 mxf_update_klv_size(s->pb, pos);
1544 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
1546 int64_t pos = mxf_write_generic_sound_common(s, st, mxf_generic_sound_descriptor_key);
1547 mxf_update_klv_size(s->pb, pos);
1550 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 };
1552 static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value)
1554 MXFContext *mxf = s->priv_data;
1555 AVIOContext *pb = s->pb;
1556 int name_size = mxf_utf16_local_tag_length(name);
1557 int indirect_value_size = 13 + mxf_utf16_local_tag_length(value);
1559 if (!name_size || indirect_value_size == 13)
1562 mxf_write_metadata_key(pb, 0x013f00);
1563 klv_encode_ber_length(pb, 24 + name_size + indirect_value_size);
1565 // write instance UID
1566 mxf_write_local_tag(pb, 16, 0x3C0A);
1567 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count);
1570 mxf_write_local_tag_utf16(pb, 0x5001, name); // Name
1572 // write indirect value
1573 mxf_write_local_tag(pb, indirect_value_size, 0x5003);
1574 avio_write(pb, mxf_indirect_value_utf16le, 17);
1575 avio_put_str16le(pb, value);
1577 mxf->tagged_value_count++;
1581 static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m)
1583 MXFContext *mxf = s->priv_data;
1584 AVDictionaryEntry *t = NULL;
1587 while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) {
1588 if (mxf->tagged_value_count >= UINT16_MAX) {
1589 av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n");
1593 if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0)
1599 static void mxf_write_package(AVFormatContext *s, MXFPackage *package)
1601 MXFContext *mxf = s->priv_data;
1602 AVIOContext *pb = s->pb;
1603 int i, track_count = s->nb_streams+1;
1604 int name_size = mxf_utf16_local_tag_length(package->name);
1605 int user_comment_count = 0;
1607 if (package->type == MaterialPackage) {
1608 if (mxf->store_user_comments)
1609 user_comment_count = mxf_write_user_comments(s, s->metadata);
1610 mxf_write_metadata_key(pb, 0x013600);
1611 PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1612 klv_encode_ber_length(pb, 92 + name_size + (16*track_count) + (16*user_comment_count) + 12LL*mxf->store_user_comments);
1614 mxf_write_metadata_key(pb, 0x013700);
1615 PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1616 klv_encode_ber_length(pb, 112 + name_size + (16*track_count) + 12LL*mxf->store_user_comments); // 20 bytes length for descriptor reference
1620 mxf_write_local_tag(pb, 16, 0x3C0A);
1621 mxf_write_uuid(pb, package->type, package->instance);
1622 av_log(s, AV_LOG_DEBUG, "package type:%d\n", package->type);
1623 PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1625 // write package umid
1626 mxf_write_local_tag(pb, 32, 0x4401);
1627 mxf_write_umid(s, package->instance);
1628 PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1632 mxf_write_local_tag_utf16(pb, 0x4402, package->name);
1634 // package creation date
1635 mxf_write_local_tag(pb, 8, 0x4405);
1636 avio_wb64(pb, mxf->timestamp);
1638 // package modified date
1639 mxf_write_local_tag(pb, 8, 0x4404);
1640 avio_wb64(pb, mxf->timestamp);
1643 mxf_write_local_tag(pb, track_count*16 + 8, 0x4403);
1644 mxf_write_refs_count(pb, track_count);
1645 // these are the uuids of the tracks the will be written in mxf_write_track
1646 for (i = 0; i < track_count; i++)
1647 mxf_write_uuid(pb, Track, mxf->track_instance_count + i);
1649 // write user comment refs
1650 if (mxf->store_user_comments) {
1651 mxf_write_local_tag(pb, user_comment_count*16 + 8, 0x4406);
1652 mxf_write_refs_count(pb, user_comment_count);
1653 for (i = 0; i < user_comment_count; i++)
1654 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i);
1657 // write multiple descriptor reference
1658 if (package->type == SourcePackage && package->instance == 1) {
1659 mxf_write_local_tag(pb, 16, 0x4701);
1660 if (s->nb_streams > 1) {
1661 mxf_write_uuid(pb, MultipleDescriptor, 0);
1662 mxf_write_multi_descriptor(s);
1664 mxf_write_uuid(pb, SubDescriptor, 0);
1665 } else if (package->type == SourcePackage && package->instance == 2) {
1666 mxf_write_local_tag(pb, 16, 0x4701);
1667 mxf_write_uuid(pb, TapeDescriptor, 0);
1668 mxf_write_tape_descriptor(s);
1672 * for every 1 track in a package there is 1 sequence and 1 component.
1673 * all 3 of these elements share the same instance number for generating
1674 * there instance uuids. mxf->track_instance_count stores this value.
1675 * mxf->track_instance_count is incremented after a group of all 3 of
1676 * these elements are written.
1679 // write timecode track
1680 mxf_write_track(s, mxf->timecode_track, package);
1681 mxf_write_sequence(s, mxf->timecode_track, package);
1682 mxf_write_timecode_component(s, mxf->timecode_track, package);
1683 mxf->track_instance_count++;
1685 for (i = 0; i < s->nb_streams; i++) {
1686 AVStream *st = s->streams[i];
1687 mxf_write_track(s, st, package);
1688 mxf_write_sequence(s, st, package);
1689 mxf_write_structural_component(s, st, package);
1690 mxf->track_instance_count++;
1692 if (package->type == SourcePackage && package->instance == 1) {
1693 MXFStreamContext *sc = st->priv_data;
1694 mxf_essence_container_uls[sc->index].write_desc(s, st);
1699 static int mxf_write_essence_container_data(AVFormatContext *s)
1701 AVIOContext *pb = s->pb;
1703 mxf_write_metadata_key(pb, 0x012300);
1704 klv_encode_ber_length(pb, 72);
1706 mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID
1707 mxf_write_uuid(pb, EssenceContainerData, 0);
1709 mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID
1710 mxf_write_umid(s, 1);
1712 mxf_write_local_tag(pb, 4, 0x3F07); // BodySID
1715 mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID
1721 static int mxf_write_header_metadata_sets(AVFormatContext *s)
1723 MXFContext *mxf = s->priv_data;
1724 AVDictionaryEntry *entry = NULL;
1725 AVStream *st = NULL;
1727 MXFPackage packages[3] = {{0}};
1728 int package_count = 2;
1729 packages[0].type = MaterialPackage;
1730 packages[1].type = SourcePackage;
1731 packages[1].instance = 1;
1732 packages[0].ref = &packages[1];
1735 if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0))
1736 packages[0].name = entry->value;
1738 if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) {
1739 packages[1].name = entry->value;
1741 /* check if any of the streams contain a file_package_name */
1742 for (i = 0; i < s->nb_streams; i++) {
1744 if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) {
1745 packages[1].name = entry->value;
1751 entry = av_dict_get(s->metadata, "reel_name", NULL, 0);
1753 packages[2].name = entry->value;
1754 packages[2].type = SourcePackage;
1755 packages[2].instance = 2;
1756 packages[1].ref = &packages[2];
1760 mxf_write_preface(s);
1761 mxf_write_identification(s);
1762 mxf_write_content_storage(s, packages, package_count);
1763 mxf->track_instance_count = 0;
1764 for (i = 0; i < package_count; i++)
1765 mxf_write_package(s, &packages[i]);
1766 mxf_write_essence_container_data(s);
1770 static unsigned klv_fill_size(uint64_t size)
1772 unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1773 if (pad < 20) // smallest fill item possible
1774 return pad + KAG_SIZE;
1776 return pad & (KAG_SIZE-1);
1779 static void mxf_write_index_table_segment(AVFormatContext *s)
1781 MXFContext *mxf = s->priv_data;
1782 AVIOContext *pb = s->pb;
1783 int i, j, temporal_reordering = 0;
1784 int key_index = mxf->last_key_index;
1785 int prev_non_b_picture = 0;
1786 int audio_frame_size = 0;
1789 av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1791 if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1794 avio_write(pb, index_table_segment_key, 16);
1796 klv_encode_ber4_length(pb, 0);
1797 pos = avio_tell(pb);
1800 mxf_write_local_tag(pb, 16, 0x3C0A);
1801 mxf_write_uuid(pb, IndexTableSegment, 0);
1804 mxf_write_local_tag(pb, 8, 0x3F0B);
1805 avio_wb32(pb, mxf->time_base.den);
1806 avio_wb32(pb, mxf->time_base.num);
1808 // index start position
1809 mxf_write_local_tag(pb, 8, 0x3F0C);
1810 avio_wb64(pb, mxf->last_indexed_edit_unit);
1813 mxf_write_local_tag(pb, 8, 0x3F0D);
1814 if (mxf->edit_unit_byte_count)
1815 avio_wb64(pb, 0); // index table covers whole container
1817 avio_wb64(pb, mxf->edit_units_count);
1819 // edit unit byte count
1820 mxf_write_local_tag(pb, 4, 0x3F05);
1821 avio_wb32(pb, mxf->edit_unit_byte_count);
1824 mxf_write_local_tag(pb, 4, 0x3F06);
1828 mxf_write_local_tag(pb, 4, 0x3F07);
1831 // real slice count - 1
1832 mxf_write_local_tag(pb, 1, 0x3F08);
1833 avio_w8(pb, !mxf->edit_unit_byte_count); // only one slice for CBR
1835 // delta entry array
1836 mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
1837 avio_wb32(pb, s->nb_streams+1); // num of entries
1838 avio_wb32(pb, 6); // size of one entry
1839 // write system item delta entry
1841 avio_w8(pb, 0); // slice entry
1842 avio_wb32(pb, 0); // element delta
1843 // write each stream delta entry
1844 for (i = 0; i < s->nb_streams; i++) {
1845 AVStream *st = s->streams[i];
1846 MXFStreamContext *sc = st->priv_data;
1847 avio_w8(pb, sc->temporal_reordering);
1848 if (sc->temporal_reordering)
1849 temporal_reordering = 1;
1850 if (mxf->edit_unit_byte_count) {
1851 avio_w8(pb, 0); // slice number
1852 avio_wb32(pb, sc->slice_offset);
1853 } else if (i == 0) { // video track
1854 avio_w8(pb, 0); // slice number
1855 avio_wb32(pb, KAG_SIZE); // system item size including klv fill
1856 } else { // audio or data track
1857 if (!audio_frame_size) {
1858 audio_frame_size = sc->aic.samples[0]*sc->aic.sample_size;
1859 audio_frame_size += klv_fill_size(audio_frame_size);
1862 avio_wb32(pb, (i-1)*audio_frame_size); // element delta
1866 if (!mxf->edit_unit_byte_count) {
1867 MXFStreamContext *sc = s->streams[0]->priv_data;
1868 mxf_write_local_tag(pb, 8 + mxf->edit_units_count*15, 0x3F0A);
1869 avio_wb32(pb, mxf->edit_units_count); // num of entries
1870 avio_wb32(pb, 15); // size of one entry
1872 for (i = 0; i < mxf->edit_units_count; i++) {
1873 int temporal_offset = 0;
1875 if (!(mxf->index_entries[i].flags & 0x33)) { // I-frame
1876 sc->max_gop = FFMAX(sc->max_gop, i - mxf->last_key_index);
1877 mxf->last_key_index = key_index;
1881 if (temporal_reordering) {
1882 int pic_num_in_gop = i - key_index;
1883 if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
1884 for (j = key_index; j < mxf->edit_units_count; j++) {
1885 if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
1888 if (j == mxf->edit_units_count)
1889 av_log(s, AV_LOG_WARNING, "missing frames\n");
1890 temporal_offset = j - key_index - pic_num_in_gop;
1893 avio_w8(pb, temporal_offset);
1895 if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
1896 sc->b_picture_count = FFMAX(sc->b_picture_count, i - prev_non_b_picture);
1897 avio_w8(pb, mxf->last_key_index - i);
1899 avio_w8(pb, key_index - i); // key frame offset
1900 if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
1901 mxf->last_key_index = key_index;
1902 prev_non_b_picture = i;
1905 if (!(mxf->index_entries[i].flags & 0x33) && // I-frame
1906 mxf->index_entries[i].flags & 0x40 && !temporal_offset)
1907 mxf->index_entries[i].flags |= 0x80; // random access
1908 avio_w8(pb, mxf->index_entries[i].flags);
1910 avio_wb64(pb, mxf->index_entries[i].offset);
1911 if (s->nb_streams > 1)
1912 avio_wb32(pb, mxf->index_entries[i].slice_offset);
1917 mxf->last_key_index = key_index - mxf->edit_units_count;
1918 mxf->last_indexed_edit_unit += mxf->edit_units_count;
1919 mxf->edit_units_count = 0;
1922 mxf_update_klv_size(pb, pos);
1925 static void mxf_write_klv_fill(AVFormatContext *s)
1927 unsigned pad = klv_fill_size(avio_tell(s->pb));
1929 avio_write(s->pb, klv_fill_key, 16);
1931 klv_encode_ber4_length(s->pb, pad);
1932 ffio_fill(s->pb, 0, pad);
1933 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
1937 static int mxf_write_partition(AVFormatContext *s, int bodysid,
1939 const uint8_t *key, int write_metadata)
1941 MXFContext *mxf = s->priv_data;
1942 AVIOContext *pb = s->pb;
1943 int64_t header_byte_count_offset;
1944 unsigned index_byte_count = 0;
1945 uint64_t partition_offset = avio_tell(pb);
1948 if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
1949 index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
1950 12+mxf->edit_units_count*15;
1951 else if (mxf->edit_unit_byte_count && indexsid)
1952 index_byte_count = 80;
1954 if (index_byte_count) {
1955 index_byte_count += 16 + 4; // add encoded ber4 length
1956 index_byte_count += klv_fill_size(index_byte_count);
1959 if (key && !memcmp(key, body_partition_key, 16)) {
1960 if ((err = av_reallocp_array(&mxf->body_partition_offset, mxf->body_partitions_count + 1,
1961 sizeof(*mxf->body_partition_offset))) < 0) {
1962 mxf->body_partitions_count = 0;
1965 mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
1970 avio_write(pb, key, 16);
1972 avio_write(pb, body_partition_key, 16);
1974 klv_encode_ber4_length(pb, 88 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
1976 // write partition value
1977 avio_wb16(pb, 1); // majorVersion
1978 avio_wb16(pb, 3); // minorVersion
1979 avio_wb32(pb, KAG_SIZE); // KAGSize
1981 avio_wb64(pb, partition_offset); // ThisPartition
1983 if (key && !memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
1984 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
1985 else if (key && !memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
1986 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
1990 avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
1993 header_byte_count_offset = avio_tell(pb);
1994 avio_wb64(pb, 0); // headerByteCount, update later
1997 avio_wb64(pb, index_byte_count); // indexByteCount
1998 avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
2001 if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && s->oformat != &ff_mxf_opatom_muxer)
2002 avio_wb64(pb, mxf->body_offset);
2006 avio_wb32(pb, bodysid); // bodySID
2008 // operational pattern
2009 if (s->oformat == &ff_mxf_opatom_muxer)
2010 avio_write(pb, opatom_ul, 16);
2012 avio_write(pb, op1a_ul, 16);
2014 // essence container
2015 mxf_write_essence_container_refs(s);
2017 if (write_metadata) {
2018 // mark the start of the headermetadata and calculate metadata size
2020 unsigned header_byte_count;
2022 mxf_write_klv_fill(s);
2023 start = avio_tell(s->pb);
2024 mxf_write_primer_pack(s);
2025 mxf_write_klv_fill(s);
2026 mxf_write_header_metadata_sets(s);
2027 pos = avio_tell(s->pb);
2028 header_byte_count = pos - start + klv_fill_size(pos);
2030 // update header_byte_count
2031 avio_seek(pb, header_byte_count_offset, SEEK_SET);
2032 avio_wb64(pb, header_byte_count);
2033 avio_seek(pb, pos, SEEK_SET);
2042 static const struct {
2045 } mxf_prores_codec_uls[] = {
2046 { FF_PROFILE_PRORES_PROXY, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x01,0x00 } },
2047 { FF_PROFILE_PRORES_LT, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x02,0x00 } },
2048 { FF_PROFILE_PRORES_STANDARD, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x03,0x00 } },
2049 { FF_PROFILE_PRORES_HQ, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x04,0x00 } },
2050 { FF_PROFILE_PRORES_4444, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x05,0x00 } },
2051 { FF_PROFILE_PRORES_XQ, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x06,0x00 } },
2054 static int mxf_parse_prores_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2056 MXFContext *mxf = s->priv_data;
2057 MXFStreamContext *sc = st->priv_data;
2060 if (mxf->header_written)
2063 sc->codec_ul = NULL;
2064 profile = st->codecpar->profile;
2065 for (i = 0; i < FF_ARRAY_ELEMS(mxf_prores_codec_uls); i++) {
2066 if (profile == mxf_prores_codec_uls[i].profile) {
2067 sc->codec_ul = &mxf_prores_codec_uls[i].codec_ul;
2074 sc->frame_size = pkt->size;
2079 static const struct {
2082 } mxf_dnxhd_codec_uls[] = {
2083 { 1235, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 } }, // 1080p 10bit HIGH
2084 { 1237, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 } }, // 1080p 8bit MED
2085 { 1238, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 } }, // 1080p 8bit HIGH
2086 { 1241, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 } }, // 1080i 10bit HIGH
2087 { 1242, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 } }, // 1080i 8bit MED
2088 { 1243, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 } }, // 1080i 8bit HIGH
2089 { 1244, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x0a,0x00,0x00 } }, // 1080i 8bit TR
2090 { 1250, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 } }, // 720p 10bit
2091 { 1251, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 } }, // 720p 8bit HIGH
2092 { 1252, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 } }, // 720p 8bit MED
2093 { 1253, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 } }, // 720p 8bit LOW
2094 { 1256, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x16,0x00,0x00 } }, // 1080p 10bit 444
2095 { 1258, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x18,0x00,0x00 } }, // 720p 8bit TR
2096 { 1259, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x19,0x00,0x00 } }, // 1080p 8bit TR
2097 { 1260, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x1a,0x00,0x00 } }, // 1080i 8bit TR MBAFF
2098 { 1270, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x24,0x00,0x00 } }, // DNXHR 444
2099 { 1271, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x25,0x00,0x00 } }, // DNXHR HQX
2100 { 1272, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x26,0x00,0x00 } }, // DNXHR HQ
2101 { 1273, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x27,0x00,0x00 } }, // DNXHR SQ
2102 { 1274, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x28,0x00,0x00 } }, // DNXHR LB
2105 static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2107 MXFContext *mxf = s->priv_data;
2108 MXFStreamContext *sc = st->priv_data;
2109 int i, cid, frame_size = 0;
2111 if (mxf->header_written)
2117 sc->codec_ul = NULL;
2118 cid = AV_RB32(pkt->data + 0x28);
2119 for (i = 0; i < FF_ARRAY_ELEMS(mxf_dnxhd_codec_uls); i++) {
2120 if (cid == mxf_dnxhd_codec_uls[i].cid) {
2121 sc->codec_ul = &mxf_dnxhd_codec_uls[i].codec_ul;
2128 sc->component_depth = 0;
2129 switch (pkt->data[0x21] >> 5) {
2130 case 1: sc->component_depth = 8; break;
2131 case 2: sc->component_depth = 10; break;
2132 case 3: sc->component_depth = 12; break;
2134 if (!sc->component_depth)
2137 if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) == DNXHD_VARIABLE) {
2138 frame_size = avpriv_dnxhd_get_hr_frame_size(cid, st->codecpar->width, st->codecpar->height);
2143 if ((sc->interlaced = avpriv_dnxhd_get_interlaced(cid)) < 0)
2146 if (cid >= 1270) { // RI raster
2147 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
2148 st->codecpar->width, st->codecpar->height,
2151 sc->aspect_ratio = (AVRational){ 16, 9 };
2154 sc->frame_size = pkt->size;
2159 static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2161 MXFContext *mxf = s->priv_data;
2162 MXFStreamContext *sc = st->priv_data;
2163 uint8_t *vs_pack, *vsc_pack;
2164 int ul_index, stype, pal;
2165 const AVDVProfile *profile;
2167 if (mxf->header_written)
2170 // Check for minimal frame size
2171 if (pkt->size < 120000)
2174 profile = av_dv_frame_profile(NULL, pkt->data, pkt->size);
2176 vs_pack = pkt->data + 80*5 + 48;
2177 vsc_pack = pkt->data + 80*5 + 53;
2178 stype = vs_pack[3] & 0x1f;
2179 pal = (vs_pack[3] >> 5) & 0x1;
2181 if ((vsc_pack[2] & 0x07) == 0x02) {
2182 sc->aspect_ratio = (AVRational){ 16, 9 };
2184 sc->aspect_ratio = (AVRational){ 4, 3 };
2187 sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
2188 // TODO: fix dv encoder to set proper FF/FS value in VSC pack
2189 // and set field dominance accordingly
2190 // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
2193 case 0x18: // DV100 720p
2194 ul_index = INDEX_DV100_720_50 + pal;
2195 if (sc->interlaced) {
2196 av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
2200 case 0x14: // DV100 1080i
2201 ul_index = INDEX_DV100_1080_50 + pal;
2204 ul_index = INDEX_DV50_525_60 + pal;
2207 if (profile && profile->pix_fmt == AV_PIX_FMT_YUV420P && pal) {
2208 ul_index = INDEX_DV25_525_60_IEC + pal;
2211 ul_index = INDEX_DV25_525_60 + pal;
2214 sc->index = ul_index;
2215 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2216 sc->frame_size = pkt->size;
2221 static const struct {
2226 int intra_only; // 1 or 0 when there are separate UIDs for Long GOP and Intra, -1 when Intra/LGOP detection can be ignored
2227 } mxf_h264_codec_uls[] = {
2228 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x11,0x01 }, 0, 66, 0, -1 }, // AVC Baseline
2229 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x20,0x01 }, 0, 77, 0, -1 }, // AVC Main
2230 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x30,0x01 }, 0, 88, 0, -1 }, // AVC Extended
2231 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x40,0x01 }, 0, 100, 0, -1 }, // AVC High
2232 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x50,0x01 }, 0, 110, 0, 0 }, // AVC High 10
2233 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x60,0x01 }, 0, 122, 0, 0 }, // AVC High 422
2234 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x70,0x01 }, 0, 244, 0, 0 }, // AVC High 444
2235 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0, 1 }, // AVC High 10 Intra
2236 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 110, 1, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/59.94i
2237 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 110, 1, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/50i
2238 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/29.97p
2239 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/25p
2240 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 720/59.94p
2241 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 720/50p
2242 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0, 1 }, // AVC High 422 Intra
2243 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 122, 1, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/59.94i
2244 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 122, 1, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/50i
2245 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/29.97p
2246 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/25p
2247 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 720/59.94p
2248 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 720/50p
2249 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x40,0x01 }, 0, 244, 0, 1 }, // AVC High 444 Intra
2250 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x50,0x01 }, 0, 44, 0, -1 }, // AVC CAVLC 444
2253 static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st,
2254 AVPacket *pkt, MXFIndexEntry *e)
2256 MXFContext *mxf = s->priv_data;
2257 MXFStreamContext *sc = st->priv_data;
2258 H264SequenceParameterSet *sps = NULL;
2260 const uint8_t *buf = pkt->data;
2261 const uint8_t *buf_end = pkt->data + pkt->size;
2262 const uint8_t *nal_end;
2263 uint32_t state = -1;
2264 int extra_size = 512; // support AVC Intra files without SPS/PPS header
2265 int i, frame_size, slice_type, intra_only = 0;
2268 buf = avpriv_find_start_code(buf, buf_end, &state);
2272 switch (state & 0x1f) {
2276 if (mxf->header_written)
2279 nal_end = ff_avc_find_startcode(buf, buf_end);
2280 sps = ff_avc_decode_sps(buf, nal_end - buf);
2282 av_log(s, AV_LOG_ERROR, "error parsing sps\n");
2286 sc->aspect_ratio.num = st->codecpar->width * sps->sar.num;
2287 sc->aspect_ratio.den = st->codecpar->height * sps->sar.den;
2288 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
2289 sc->aspect_ratio.num, sc->aspect_ratio.den, 1024*1024);
2290 intra_only = (sps->constraint_set_flags >> 3) & 1;
2291 sc->interlaced = !sps->frame_mbs_only_flag;
2292 sc->component_depth = sps->bit_depth_luma;
2297 if (e->flags & 0x40) { // sequence header present
2298 e->flags |= 0x80; // random access
2302 case H264_NAL_IDR_SLICE:
2303 e->flags |= 0x04; // IDR Picture
2306 case H264_NAL_SLICE:
2307 init_get_bits8(&gb, buf, buf_end - buf);
2308 get_ue_golomb_long(&gb); // skip first_mb_in_slice
2309 slice_type = get_ue_golomb_31(&gb);
2310 switch (slice_type % 5) {
2312 e->flags |= 0x20; // P Picture
2313 e->flags |= 0x06; // P Picture
2316 e->flags |= 0x30; // B Picture
2317 e->flags |= 0x03; // non-referenced B Picture
2327 if (mxf->header_written)
2331 sc->interlaced = st->codecpar->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0;
2332 sc->codec_ul = NULL;
2333 frame_size = pkt->size + extra_size;
2335 for (i = 0; i < FF_ARRAY_ELEMS(mxf_h264_codec_uls); i++) {
2336 if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) {
2337 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
2338 sc->component_depth = 10; // AVC Intra is always 10 Bit
2339 sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD
2340 st->codecpar->profile = mxf_h264_codec_uls[i].profile;
2343 sc->frame_size = pkt->size;
2345 sc->field_dominance = 1; // top field first is mandatory for AVC Intra
2347 } else if (sps && mxf_h264_codec_uls[i].frame_size == 0 &&
2348 mxf_h264_codec_uls[i].profile == sps->profile_idc &&
2349 (mxf_h264_codec_uls[i].intra_only < 0 ||
2350 mxf_h264_codec_uls[i].intra_only == intra_only)) {
2351 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
2352 st->codecpar->profile = sps->profile_idc;
2353 st->codecpar->level = sps->level_idc;
2354 // continue to check for avc intra
2360 if (!sc->codec_ul) {
2361 av_log(s, AV_LOG_ERROR, "h264 profile not supported\n");
2368 static const UID mxf_mpeg2_codec_uls[] = {
2369 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
2370 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
2371 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
2372 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
2373 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
2374 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
2375 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
2376 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
2377 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
2378 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
2381 static const UID *mxf_get_mpeg2_codec_ul(AVCodecParameters *par)
2385 if (par->profile == 4) { // Main
2386 if (par->level == 8) // Main
2387 return &mxf_mpeg2_codec_uls[0+long_gop];
2388 else if (par->level == 4) // High
2389 return &mxf_mpeg2_codec_uls[4+long_gop];
2390 else if (par->level == 6) // High 14
2391 return &mxf_mpeg2_codec_uls[8+long_gop];
2392 } else if (par->profile == 0) { // 422
2393 if (par->level == 5) // Main
2394 return &mxf_mpeg2_codec_uls[2+long_gop];
2395 else if (par->level == 2) // High
2396 return &mxf_mpeg2_codec_uls[6+long_gop];
2401 static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st,
2402 AVPacket *pkt, MXFIndexEntry *e)
2404 MXFStreamContext *sc = st->priv_data;
2408 for(i = 0; i < pkt->size - 4; i++) {
2409 c = (c<<8) + pkt->data[i];
2411 if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
2412 st->codecpar->profile = pkt->data[i+1] & 0x07;
2413 st->codecpar->level = pkt->data[i+2] >> 4;
2414 sc->low_delay = pkt->data[i+6] >> 7;
2415 } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
2416 sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
2418 sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
2421 } else if (c == 0x1b8) { // gop
2422 if (pkt->data[i+4]>>6 & 0x01) { // closed
2423 if (sc->seq_closed_gop == -1)
2424 sc->seq_closed_gop = 1;
2426 if (e->flags & 0x40) // sequence header present
2427 e->flags |= 0x80; // random access
2429 sc->seq_closed_gop = 0;
2432 } else if (c == 0x1b3) { // seq
2434 switch ((pkt->data[i+4]>>4) & 0xf) {
2435 case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
2436 case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
2437 case 4: sc->aspect_ratio = (AVRational){221,100}; break;
2439 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
2440 st->codecpar->width, st->codecpar->height, 1024*1024);
2442 } else if (c == 0x100) { // pic
2443 int pict_type = (pkt->data[i+2]>>3) & 0x07;
2444 e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2445 if (pict_type == 2) { // P-frame
2447 sc->closed_gop = 0; // reset closed GOP, don't matter anymore
2448 } else if (pict_type == 3) { // B-frame
2450 e->flags |= 0x13; // only backward prediction
2453 sc->temporal_reordering = -1;
2454 } else if (!pict_type) {
2455 av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
2460 if (s->oformat != &ff_mxf_d10_muxer)
2461 sc->codec_ul = mxf_get_mpeg2_codec_ul(st->codecpar);
2462 return !!sc->codec_ul;
2465 static uint64_t mxf_parse_timestamp(int64_t timestamp64)
2467 time_t timestamp = timestamp64 / 1000000;
2469 struct tm *time = gmtime_r(×tamp, &tmbuf);
2472 return (uint64_t)(time->tm_year+1900) << 48 |
2473 (uint64_t)(time->tm_mon+1) << 40 |
2474 (uint64_t) time->tm_mday << 32 |
2475 time->tm_hour << 24 |
2476 time->tm_min << 16 |
2478 (timestamp64 % 1000000) / 4000;
2481 static void mxf_gen_umid(AVFormatContext *s)
2483 MXFContext *mxf = s->priv_data;
2484 uint32_t seed = av_get_random_seed();
2485 uint64_t umid = seed + 0x5294713400000000LL;
2487 AV_WB64(mxf->umid , umid);
2488 AV_WB64(mxf->umid+8, umid>>8);
2490 mxf->instance_number = seed & 0xFFFFFF;
2493 static int mxf_init_timecode(AVFormatContext *s, AVStream *st, AVRational rate)
2495 MXFContext *mxf = s->priv_data;
2496 AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
2498 tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
2501 return av_timecode_init_from_string(&mxf->tc, rate, tcr->value, s);
2503 return av_timecode_init(&mxf->tc, rate, 0, 0, s);
2506 static int mxf_write_header(AVFormatContext *s)
2508 MXFContext *mxf = s->priv_data;
2510 uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
2511 const MXFSamplesPerFrame *spf = NULL;
2512 int64_t timestamp = 0;
2517 if (s->oformat == &ff_mxf_opatom_muxer && s->nb_streams !=1) {
2518 av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n");
2522 if (!av_dict_get(s->metadata, "comment_", NULL, AV_DICT_IGNORE_SUFFIX))
2523 mxf->store_user_comments = 0;
2525 for (i = 0; i < s->nb_streams; i++) {
2526 AVStream *st = s->streams[i];
2527 MXFStreamContext *sc = av_mallocz(sizeof(*sc));
2529 return AVERROR(ENOMEM);
2532 if (((i == 0) ^ (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)) && s->oformat != &ff_mxf_opatom_muxer) {
2533 av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
2537 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2538 const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codecpar->format);
2539 // TODO: should be avg_frame_rate
2540 AVRational rate, tbc = st->time_base;
2541 // Default component depth to 8
2542 sc->component_depth = 8;
2543 sc->h_chroma_sub_sample = 2;
2544 sc->v_chroma_sub_sample = 2;
2545 sc->color_siting = 0xFF;
2547 if (st->codecpar->sample_aspect_ratio.num && st->codecpar->sample_aspect_ratio.den) {
2548 sc->aspect_ratio = av_mul_q(st->codecpar->sample_aspect_ratio,
2549 av_make_q(st->codecpar->width, st->codecpar->height));
2553 sc->component_depth = pix_desc->comp[0].depth;
2554 sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w;
2555 sc->v_chroma_sub_sample = 1 << pix_desc->log2_chroma_h;
2557 switch (ff_choose_chroma_location(s, st)) {
2558 case AVCHROMA_LOC_TOPLEFT: sc->color_siting = 0; break;
2559 case AVCHROMA_LOC_LEFT: sc->color_siting = 6; break;
2560 case AVCHROMA_LOC_TOP: sc->color_siting = 1; break;
2561 case AVCHROMA_LOC_CENTER: sc->color_siting = 3; break;
2564 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2565 spf = ff_mxf_get_samples_per_frame(s, tbc);
2567 av_log(s, AV_LOG_ERROR, "Unsupported video frame rate %d/%d\n",
2569 return AVERROR(EINVAL);
2571 mxf->content_package_rate = ff_mxf_get_content_package_rate(tbc);
2572 mxf->time_base = spf->time_base;
2573 rate = av_inv_q(mxf->time_base);
2574 avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
2575 if((ret = mxf_init_timecode(s, st, rate)) < 0)
2578 if (st->codecpar->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2579 sc->seq_closed_gop = -1; // unknown yet
2582 sc->video_bit_rate = st->codecpar->bit_rate;
2584 if (s->oformat == &ff_mxf_d10_muxer ||
2585 st->codecpar->codec_id == AV_CODEC_ID_DNXHD ||
2586 st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO)
2589 if (s->oformat == &ff_mxf_d10_muxer) {
2590 if (st->codecpar->codec_id != AV_CODEC_ID_MPEG2VIDEO) {
2591 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support MPEG-2 Video\n");
2592 return AVERROR(EINVAL);
2594 if ((sc->video_bit_rate == 50000000) && (mxf->time_base.den == 25)) {
2595 sc->index = INDEX_D10_625_50_50_VIDEO;
2596 } else if ((sc->video_bit_rate == 49999840 || sc->video_bit_rate == 50000000) && (mxf->time_base.den != 25)) {
2597 sc->index = INDEX_D10_525_60_50_VIDEO;
2598 } else if (sc->video_bit_rate == 40000000) {
2599 if (mxf->time_base.den == 25) sc->index = INDEX_D10_625_50_40_VIDEO;
2600 else sc->index = INDEX_D10_525_60_40_VIDEO;
2601 } else if (sc->video_bit_rate == 30000000) {
2602 if (mxf->time_base.den == 25) sc->index = INDEX_D10_625_50_30_VIDEO;
2603 else sc->index = INDEX_D10_525_60_30_VIDEO;
2605 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
2609 sc->signal_standard = 1;
2610 sc->color_siting = 0;
2611 sc->frame_size = (int64_t)sc->video_bit_rate *
2612 mxf->time_base.num / (8*mxf->time_base.den);
2614 if (mxf->signal_standard >= 0)
2615 sc->signal_standard = mxf->signal_standard;
2616 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2617 if (st->codecpar->sample_rate != 48000) {
2618 av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
2621 avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
2622 if (s->oformat == &ff_mxf_d10_muxer) {
2623 if (st->index != 1) {
2624 av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
2627 if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2628 st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) {
2629 av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
2631 sc->index = ((MXFStreamContext*)s->streams[0]->priv_data)->index + 1;
2632 sc->frame_size = 4 + 8 * spf[0].samples_per_frame[0] * 4;
2633 } else if (s->oformat == &ff_mxf_opatom_muxer) {
2634 AVRational tbc = av_inv_q(mxf->audio_edit_rate);
2636 if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2637 st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) {
2638 av_log(s, AV_LOG_ERROR, "Only pcm_s16le and pcm_s24le audio codecs are implemented\n");
2639 return AVERROR_PATCHWELCOME;
2641 if (st->codecpar->channels != 1) {
2642 av_log(s, AV_LOG_ERROR, "MXF OPAtom only supports single channel audio\n");
2643 return AVERROR(EINVAL);
2646 spf = ff_mxf_get_samples_per_frame(s, tbc);
2648 av_log(s, AV_LOG_ERROR, "Unsupported timecode frame rate %d/%d\n", tbc.den, tbc.num);
2649 return AVERROR(EINVAL);
2652 mxf->time_base = st->time_base;
2653 if((ret = mxf_init_timecode(s, st, av_inv_q(spf->time_base))) < 0)
2656 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2657 mxf->edit_unit_byte_count = (av_get_bits_per_sample(st->codecpar->codec_id) * st->codecpar->channels) >> 3;
2658 sc->index = INDEX_WAV;
2660 mxf->slice_count = 1;
2661 sc->frame_size = (st->codecpar->channels * spf[0].samples_per_frame[0] *
2662 av_get_bits_per_sample(st->codecpar->codec_id)) / 8;
2664 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
2665 AVDictionaryEntry *e = av_dict_get(st->metadata, "data_type", NULL, 0);
2666 if (e && !strcmp(e->value, "vbi_vanc_smpte_436M")) {
2667 sc->index = INDEX_S436M;
2669 av_log(s, AV_LOG_ERROR, "track %d: unsupported data type\n", i);
2672 if (st->index != s->nb_streams - 1) {
2673 av_log(s, AV_LOG_ERROR, "data track must be placed last\n");
2679 sc->index = mxf_get_essence_container_ul_index(st->codecpar->codec_id);
2680 if (sc->index == -1) {
2681 av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
2682 "codec not currently supported in container\n", i);
2687 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2689 memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
2690 sc->track_essence_element_key[15] = present[sc->index];
2691 PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
2693 if (!present[sc->index])
2694 mxf->essence_container_count++;
2695 present[sc->index]++;
2698 if (s->oformat == &ff_mxf_d10_muxer || s->oformat == &ff_mxf_opatom_muxer) {
2699 mxf->essence_container_count = 1;
2702 if (!(s->flags & AVFMT_FLAG_BITEXACT))
2705 for (i = 0; i < s->nb_streams; i++) {
2706 MXFStreamContext *sc = s->streams[i]->priv_data;
2707 // update element count
2708 sc->track_essence_element_key[13] = present[sc->index];
2709 if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[15].element_ul, 13)) // DV
2710 sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
2712 sc->order = AV_RB32(sc->track_essence_element_key+12);
2715 if (ff_parse_creation_time_metadata(s, ×tamp, 0) > 0)
2716 mxf->timestamp = mxf_parse_timestamp(timestamp);
2719 mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
2720 if (!mxf->timecode_track)
2721 return AVERROR(ENOMEM);
2722 mxf->timecode_track->priv_data = av_mallocz(sizeof(MXFStreamContext));
2723 if (!mxf->timecode_track->priv_data)
2724 return AVERROR(ENOMEM);
2725 mxf->timecode_track->index = -1;
2728 spf = ff_mxf_get_samples_per_frame(s, (AVRational){ 1, 25 });
2730 if (ff_audio_interleave_init(s, spf->samples_per_frame, mxf->time_base) < 0)
2736 static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
2737 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 };
2739 static void mxf_write_system_item(AVFormatContext *s)
2741 MXFContext *mxf = s->priv_data;
2742 AVIOContext *pb = s->pb;
2745 int i, system_item_bitmap = 0x58; // UL, user date/time stamp, picture present
2747 frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2749 // write system metadata pack
2750 avio_write(pb, system_metadata_pack_key, 16);
2751 klv_encode_ber4_length(pb, 57);
2753 for (i = 0; i < s->nb_streams; i++) {
2754 if (s->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
2755 system_item_bitmap |= 0x4;
2756 else if (s->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_DATA)
2757 system_item_bitmap |= 0x2;
2759 avio_w8(pb, system_item_bitmap);
2760 avio_w8(pb, mxf->content_package_rate); // content package rate
2761 avio_w8(pb, 0x00); // content package type
2762 avio_wb16(pb, 0x00); // channel handle
2763 avio_wb16(pb, (mxf->tc.start + frame) & 0xFFFF); // continuity count, supposed to overflow
2764 if (mxf->essence_container_count > 1)
2765 avio_write(pb, multiple_desc_ul, 16);
2767 MXFStreamContext *sc = s->streams[0]->priv_data;
2768 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
2772 avio_wb64(pb, 0); // creation date/time stamp
2774 avio_w8(pb, 0x81); // SMPTE 12M time code
2775 time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
2776 avio_wb32(pb, time_code);
2777 avio_wb32(pb, 0); // binary group data
2780 // write system metadata package set
2781 avio_write(pb, system_metadata_package_set_key, 16);
2782 klv_encode_ber4_length(pb, 35);
2783 avio_w8(pb, 0x83); // UMID
2784 avio_wb16(pb, 0x20);
2785 mxf_write_umid(s, 1);
2788 static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2790 MXFContext *mxf = s->priv_data;
2791 AVIOContext *pb = s->pb;
2792 int frame_size = pkt->size / st->codecpar->block_align;
2793 uint8_t *samples = pkt->data;
2794 uint8_t *end = pkt->data + pkt->size;
2797 klv_encode_ber4_length(pb, 4 + frame_size*4*8);
2799 avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
2800 avio_wl16(pb, frame_size);
2801 avio_w8(pb, (1<<st->codecpar->channels)-1);
2803 while (samples < end) {
2804 for (i = 0; i < st->codecpar->channels; i++) {
2806 if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
2807 sample = AV_RL24(samples)<< 4;
2810 sample = AV_RL16(samples)<<12;
2813 avio_wl32(pb, sample | i);
2820 static int mxf_write_opatom_body_partition(AVFormatContext *s)
2822 MXFContext *mxf = s->priv_data;
2823 AVIOContext *pb = s->pb;
2824 AVStream *st = s->streams[0];
2825 MXFStreamContext *sc = st->priv_data;
2826 const uint8_t *key = NULL;
2830 if (!mxf->header_written)
2831 key = body_partition_key;
2833 if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0)
2835 mxf_write_klv_fill(s);
2836 avio_write(pb, sc->track_essence_element_key, 16);
2837 klv_encode_ber9_length(pb, mxf->body_offset);
2841 static int mxf_write_opatom_packet(AVFormatContext *s, AVPacket *pkt, MXFIndexEntry *ie)
2843 MXFContext *mxf = s->priv_data;
2844 AVIOContext *pb = s->pb;
2848 if (!mxf->header_written) {
2849 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2851 mxf_write_klv_fill(s);
2853 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2855 mxf->header_written = 1;
2858 if (!mxf->edit_unit_byte_count) {
2859 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2860 mxf->index_entries[mxf->edit_units_count].flags = ie->flags;
2861 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie->temporal_ref;
2863 mxf->edit_units_count++;
2864 avio_write(pb, pkt->data, pkt->size);
2865 mxf->body_offset += pkt->size;
2871 static void mxf_compute_edit_unit_byte_count(AVFormatContext *s)
2873 MXFContext *mxf = s->priv_data;
2876 if (s->oformat == &ff_mxf_opatom_muxer) {
2877 MXFStreamContext *sc = s->streams[0]->priv_data;
2878 mxf->edit_unit_byte_count = sc->frame_size;
2882 mxf->edit_unit_byte_count = KAG_SIZE; // system element
2883 for (i = 0; i < s->nb_streams; i++) {
2884 AVStream *st = s->streams[i];
2885 MXFStreamContext *sc = st->priv_data;
2886 sc->slice_offset = mxf->edit_unit_byte_count;
2887 mxf->edit_unit_byte_count += 16 + 4 + sc->frame_size;
2888 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2892 static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
2894 MXFContext *mxf = s->priv_data;
2895 AVIOContext *pb = s->pb;
2896 AVStream *st = s->streams[pkt->stream_index];
2897 MXFStreamContext *sc = st->priv_data;
2898 MXFIndexEntry ie = {0};
2901 if (!mxf->cbr_index && !mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) {
2902 if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
2903 + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
2904 mxf->edit_units_count = 0;
2905 av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
2910 if (st->codecpar->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2911 if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
2912 av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
2915 } else if (st->codecpar->codec_id == AV_CODEC_ID_DNXHD) {
2916 if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
2917 av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
2920 } else if (st->codecpar->codec_id == AV_CODEC_ID_PRORES) {
2921 if (!mxf_parse_prores_frame(s, st, pkt)) {
2922 av_log(s, AV_LOG_ERROR, "could not get prores profile\n");
2925 } else if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) {
2926 if (!mxf_parse_dv_frame(s, st, pkt)) {
2927 av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
2930 } else if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
2931 if (!mxf_parse_h264_frame(s, st, pkt, &ie)) {
2932 av_log(s, AV_LOG_ERROR, "could not get h264 profile\n");
2937 if (mxf->cbr_index) {
2938 if (pkt->size != sc->frame_size && st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2939 av_log(s, AV_LOG_ERROR, "track %d: frame size does not match index unit size, %d != %d\n",
2940 st->index, pkt->size, sc->frame_size);
2943 if (!mxf->header_written)
2944 mxf_compute_edit_unit_byte_count(s);
2947 if (s->oformat == &ff_mxf_opatom_muxer)
2948 return mxf_write_opatom_packet(s, pkt, &ie);
2950 if (!mxf->header_written) {
2951 if (mxf->edit_unit_byte_count) {
2952 if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
2954 mxf_write_klv_fill(s);
2955 mxf_write_index_table_segment(s);
2957 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2960 mxf->header_written = 1;
2963 if (st->index == 0) {
2964 if (!mxf->edit_unit_byte_count &&
2965 (!mxf->edit_units_count || mxf->edit_units_count > EDIT_UNITS_PER_BODY) &&
2966 !(ie.flags & 0x33)) { // I-frame, GOP start
2967 mxf_write_klv_fill(s);
2968 if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
2970 mxf_write_klv_fill(s);
2971 mxf_write_index_table_segment(s);
2974 mxf_write_klv_fill(s);
2975 mxf_write_system_item(s);
2977 if (!mxf->edit_unit_byte_count) {
2978 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2979 mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
2980 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie.temporal_ref;
2981 mxf->body_offset += KAG_SIZE; // size of system element
2983 mxf->edit_units_count++;
2984 } else if (!mxf->edit_unit_byte_count && st->index == 1) {
2985 if (!mxf->edit_units_count) {
2986 av_log(s, AV_LOG_ERROR, "No packets in first stream\n");
2987 return AVERROR_PATCHWELCOME;
2989 mxf->index_entries[mxf->edit_units_count-1].slice_offset =
2990 mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
2993 mxf_write_klv_fill(s);
2994 avio_write(pb, sc->track_essence_element_key, 16); // write key
2995 if (s->oformat == &ff_mxf_d10_muxer &&
2996 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2997 mxf_write_d10_audio_packet(s, st, pkt);
2999 klv_encode_ber4_length(pb, pkt->size); // write length
3000 avio_write(pb, pkt->data, pkt->size);
3001 mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
3009 static void mxf_write_random_index_pack(AVFormatContext *s)
3011 MXFContext *mxf = s->priv_data;
3012 AVIOContext *pb = s->pb;
3013 uint64_t pos = avio_tell(pb);
3016 avio_write(pb, random_index_pack_key, 16);
3017 klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
3019 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer)
3020 avio_wb32(pb, 1); // BodySID of header partition
3023 avio_wb64(pb, 0); // offset of header partition
3025 for (i = 0; i < mxf->body_partitions_count; i++) {
3026 avio_wb32(pb, 1); // BodySID
3027 avio_wb64(pb, mxf->body_partition_offset[i]);
3030 avio_wb32(pb, 0); // BodySID of footer partition
3031 avio_wb64(pb, mxf->footer_partition_offset);
3033 avio_wb32(pb, avio_tell(pb) - pos + 4);
3036 static int mxf_write_footer(AVFormatContext *s)
3038 MXFContext *mxf = s->priv_data;
3039 AVIOContext *pb = s->pb;
3042 if (!mxf->header_written ||
3043 (s->oformat == &ff_mxf_opatom_muxer && !mxf->body_partition_offset)) {
3044 /* reason could be invalid options/not supported codec/out of memory */
3045 err = AVERROR_UNKNOWN;
3049 mxf->duration = mxf->last_indexed_edit_unit + mxf->edit_units_count;
3051 mxf_write_klv_fill(s);
3052 mxf->footer_partition_offset = avio_tell(pb);
3053 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { // no need to repeat index
3054 if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
3057 if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
3059 mxf_write_klv_fill(s);
3060 mxf_write_index_table_segment(s);
3063 mxf_write_klv_fill(s);
3064 mxf_write_random_index_pack(s);
3066 if (s->pb->seekable & AVIO_SEEKABLE_NORMAL) {
3067 if (s->oformat == &ff_mxf_opatom_muxer) {
3068 /* rewrite body partition to update lengths */
3069 avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET);
3070 if ((err = mxf_write_opatom_body_partition(s)) < 0)
3074 avio_seek(pb, 0, SEEK_SET);
3075 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) {
3076 if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
3078 mxf_write_klv_fill(s);
3079 mxf_write_index_table_segment(s);
3081 if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
3084 // update footer partition offset
3085 for (i = 0; i < mxf->body_partitions_count; i++) {
3086 avio_seek(pb, mxf->body_partition_offset[i]+44, SEEK_SET);
3087 avio_wb64(pb, mxf->footer_partition_offset);
3092 ff_audio_interleave_close(s);
3094 av_freep(&mxf->index_entries);
3095 av_freep(&mxf->body_partition_offset);
3096 av_freep(&mxf->timecode_track->priv_data);
3097 av_freep(&mxf->timecode_track);
3101 return err < 0 ? err : 0;
3104 static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
3106 int i, stream_count = 0;
3108 for (i = 0; i < s->nb_streams; i++)
3109 stream_count += !!s->streams[i]->last_in_packet_buffer;
3111 if (stream_count && (s->nb_streams == stream_count || flush)) {
3112 AVPacketList *pktl = s->internal->packet_buffer;
3113 if (s->nb_streams != stream_count) {
3114 AVPacketList *last = NULL;
3115 // find last packet in edit unit
3117 if (!stream_count || pktl->pkt.stream_index == 0)
3119 // update last packet in packet buffer
3120 if (s->streams[pktl->pkt.stream_index]->last_in_packet_buffer != pktl)
3121 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer = pktl;
3126 // purge packet queue
3128 AVPacketList *next = pktl->next;
3129 av_packet_unref(&pktl->pkt);
3136 s->internal->packet_buffer = NULL;
3137 s->internal->packet_buffer_end= NULL;
3140 pktl = s->internal->packet_buffer;
3144 av_log(s, AV_LOG_TRACE, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts);
3145 s->internal->packet_buffer = pktl->next;
3146 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
3147 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
3148 if(!s->internal->packet_buffer)
3149 s->internal->packet_buffer_end= NULL;
3154 av_init_packet(out);
3159 static int mxf_compare_timestamps(AVFormatContext *s, const AVPacket *next,
3160 const AVPacket *pkt)
3162 MXFStreamContext *sc = s->streams[pkt ->stream_index]->priv_data;
3163 MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
3165 return next->dts > pkt->dts ||
3166 (next->dts == pkt->dts && sc->order < sc2->order);
3169 static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
3171 return ff_audio_rechunk_interleave(s, out, pkt, flush,
3172 mxf_interleave_get_packet, mxf_compare_timestamps);
3175 #define MXF_COMMON_OPTIONS \
3176 { "signal_standard", "Force/set Signal Standard",\
3177 offsetof(MXFContext, signal_standard), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3178 { "bt601", "ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)",\
3179 0, AV_OPT_TYPE_CONST, {.i64 = 1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3180 { "bt1358", "ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)",\
3181 0, AV_OPT_TYPE_CONST, {.i64 = 2}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3182 { "smpte347m", "SMPTE 347M (540 Mbps mappings)",\
3183 0, AV_OPT_TYPE_CONST, {.i64 = 3}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3184 { "smpte274m", "SMPTE 274M (1125 line)",\
3185 0, AV_OPT_TYPE_CONST, {.i64 = 4}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3186 { "smpte296m", "SMPTE 296M (750 line progressive)",\
3187 0, AV_OPT_TYPE_CONST, {.i64 = 5}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3188 { "smpte349m", "SMPTE 349M (1485 Mbps mappings)",\
3189 0, AV_OPT_TYPE_CONST, {.i64 = 6}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3190 { "smpte428", "SMPTE 428-1 DCDM",\
3191 0, AV_OPT_TYPE_CONST, {.i64 = 7}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},
3195 static const AVOption mxf_options[] = {
3197 { "store_user_comments", "",
3198 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3202 static const AVClass mxf_muxer_class = {
3203 .class_name = "MXF muxer",
3204 .item_name = av_default_item_name,
3205 .option = mxf_options,
3206 .version = LIBAVUTIL_VERSION_INT,
3209 static const AVOption d10_options[] = {
3210 { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
3211 offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
3213 { "store_user_comments", "",
3214 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3218 static const AVClass mxf_d10_muxer_class = {
3219 .class_name = "MXF-D10 muxer",
3220 .item_name = av_default_item_name,
3221 .option = d10_options,
3222 .version = LIBAVUTIL_VERSION_INT,
3225 static const AVOption opatom_options[] = {
3226 { "mxf_audio_edit_rate", "Audio edit rate for timecode",
3227 offsetof(MXFContext, audio_edit_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
3229 { "store_user_comments", "",
3230 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3234 static const AVClass mxf_opatom_muxer_class = {
3235 .class_name = "MXF-OPAtom muxer",
3236 .item_name = av_default_item_name,
3237 .option = opatom_options,
3238 .version = LIBAVUTIL_VERSION_INT,
3241 AVOutputFormat ff_mxf_muxer = {
3243 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
3244 .mime_type = "application/mxf",
3245 .extensions = "mxf",
3246 .priv_data_size = sizeof(MXFContext),
3247 .audio_codec = AV_CODEC_ID_PCM_S16LE,
3248 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
3249 .write_header = mxf_write_header,
3250 .write_packet = mxf_write_packet,
3251 .write_trailer = mxf_write_footer,
3252 .flags = AVFMT_NOTIMESTAMPS,
3253 .interleave_packet = mxf_interleave,
3254 .priv_class = &mxf_muxer_class,
3257 AVOutputFormat ff_mxf_d10_muxer = {
3259 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
3260 .mime_type = "application/mxf",
3261 .priv_data_size = sizeof(MXFContext),
3262 .audio_codec = AV_CODEC_ID_PCM_S16LE,
3263 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
3264 .write_header = mxf_write_header,
3265 .write_packet = mxf_write_packet,
3266 .write_trailer = mxf_write_footer,
3267 .flags = AVFMT_NOTIMESTAMPS,
3268 .interleave_packet = mxf_interleave,
3269 .priv_class = &mxf_d10_muxer_class,
3272 AVOutputFormat ff_mxf_opatom_muxer = {
3273 .name = "mxf_opatom",
3274 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"),
3275 .mime_type = "application/mxf",
3276 .extensions = "mxf",
3277 .priv_data_size = sizeof(MXFContext),
3278 .audio_codec = AV_CODEC_ID_PCM_S16LE,
3279 .video_codec = AV_CODEC_ID_DNXHD,
3280 .write_header = mxf_write_header,
3281 .write_packet = mxf_write_packet,
3282 .write_trailer = mxf_write_footer,
3283 .flags = AVFMT_NOTIMESTAMPS,
3284 .interleave_packet = mxf_interleave,
3285 .priv_class = &mxf_opatom_muxer_class,