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.h"
53 #include "libavcodec/internal.h"
54 #include "audiointerleave.h"
56 #include "avio_internal.h"
61 extern AVOutputFormat ff_mxf_d10_muxer;
62 extern AVOutputFormat ff_mxf_opatom_muxer;
64 #define EDIT_UNITS_PER_BODY 250
67 typedef struct MXFLocalTagPair {
72 typedef struct MXFIndexEntry {
75 unsigned slice_offset; ///< offset of audio slice
76 uint16_t temporal_ref;
79 typedef struct MXFStreamContext {
80 AudioInterleaveContext aic;
81 UID track_essence_element_key;
82 int index; ///< index in mxf_essence_container_uls table
84 int order; ///< interleaving order if dts are equal
85 int interlaced; ///< whether picture is interlaced
86 int field_dominance; ///< tff=1, bff=2
90 int h_chroma_sub_sample;
91 int temporal_reordering;
92 AVRational aspect_ratio; ///< display aspect ratio
93 int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
97 typedef struct MXFContainerEssenceEntry {
101 void (*write_desc)(AVFormatContext *, AVStream *);
102 } MXFContainerEssenceEntry;
104 typedef struct MXFPackage {
106 enum MXFMetadataSetType type;
108 struct MXFPackage *ref;
115 INDEX_D10_625_50_50_VIDEO,
116 INDEX_D10_625_50_50_AUDIO,
117 INDEX_D10_525_60_50_VIDEO,
118 INDEX_D10_525_60_50_AUDIO,
119 INDEX_D10_625_50_40_VIDEO,
120 INDEX_D10_625_50_40_AUDIO,
121 INDEX_D10_525_60_40_VIDEO,
122 INDEX_D10_525_60_40_AUDIO,
123 INDEX_D10_625_50_30_VIDEO,
124 INDEX_D10_625_50_30_AUDIO,
125 INDEX_D10_525_60_30_VIDEO,
126 INDEX_D10_525_60_30_AUDIO,
130 INDEX_DV25_525_60_IEC,
131 INDEX_DV25_625_50_IEC,
138 INDEX_DNXHD_1080p_10bit_HIGH,
139 INDEX_DNXHD_1080p_8bit_MEDIUM,
140 INDEX_DNXHD_1080p_8bit_HIGH,
141 INDEX_DNXHD_1080i_10bit_HIGH,
142 INDEX_DNXHD_1080i_8bit_MEDIUM,
143 INDEX_DNXHD_1080i_8bit_HIGH,
144 INDEX_DNXHD_720p_10bit,
145 INDEX_DNXHD_720p_8bit_HIGH,
146 INDEX_DNXHD_720p_8bit_MEDIUM,
147 INDEX_DNXHD_720p_8bit_LOW,
152 static const struct {
155 } mxf_essence_mappings[] = {
156 { AV_CODEC_ID_MPEG2VIDEO, INDEX_MPEG2 },
157 { AV_CODEC_ID_PCM_S24LE, INDEX_AES3 },
158 { AV_CODEC_ID_PCM_S16LE, INDEX_AES3 },
159 { AV_CODEC_ID_DVVIDEO, INDEX_DV },
160 { AV_CODEC_ID_DNXHD, INDEX_DNXHD_1080p_10bit_HIGH },
161 { AV_CODEC_ID_JPEG2000, INDEX_JPEG2000 },
162 { AV_CODEC_ID_H264, INDEX_H264 },
166 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
167 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
168 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st);
169 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
170 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st);
172 static const MXFContainerEssenceEntry mxf_essence_container_uls[] = {
173 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
174 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
175 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
176 mxf_write_mpegvideo_desc },
177 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
178 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
179 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
180 mxf_write_aes3_desc },
181 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
182 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
183 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
184 mxf_write_wav_desc },
185 // D-10 625/50 PAL 50mb/s
186 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
187 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
188 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
189 mxf_write_cdci_desc },
190 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
191 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
192 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
193 mxf_write_generic_sound_desc },
194 // D-10 525/60 NTSC 50mb/s
195 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
196 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
197 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 },
198 mxf_write_cdci_desc },
199 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
200 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
201 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
202 mxf_write_generic_sound_desc },
203 // D-10 625/50 PAL 40mb/s
204 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
205 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
206 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 },
207 mxf_write_cdci_desc },
208 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
209 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
210 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
211 mxf_write_generic_sound_desc },
212 // D-10 525/60 NTSC 40mb/s
213 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
214 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
215 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 },
216 mxf_write_cdci_desc },
217 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
218 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
219 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
220 mxf_write_generic_sound_desc },
221 // D-10 625/50 PAL 30mb/s
222 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
223 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
224 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 },
225 mxf_write_cdci_desc },
226 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
227 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
228 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
229 mxf_write_generic_sound_desc },
230 // D-10 525/60 NTSC 30mb/s
231 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
232 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
233 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 },
234 mxf_write_cdci_desc },
235 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
236 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
237 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
238 mxf_write_generic_sound_desc },
240 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
241 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
242 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
243 mxf_write_cdci_desc },
246 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 },
247 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
248 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
249 mxf_write_cdci_desc },
251 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 },
252 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
253 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 },
254 mxf_write_cdci_desc },
257 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x01,0x01 },
258 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
259 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
260 mxf_write_cdci_desc },
262 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x02,0x01 },
263 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
264 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x02,0x00 },
265 mxf_write_cdci_desc },
268 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 },
269 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
270 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 },
271 mxf_write_cdci_desc },
273 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 },
274 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
275 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 },
276 mxf_write_cdci_desc },
278 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 },
279 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
280 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 },
281 mxf_write_cdci_desc },
283 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 },
284 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
285 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 },
286 mxf_write_cdci_desc },
288 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 },
289 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
290 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 },
291 mxf_write_cdci_desc },
293 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 },
294 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
295 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 },
296 mxf_write_cdci_desc },
297 // DNxHD 1080p 10bit high
298 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
299 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
300 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
301 mxf_write_cdci_desc },
302 // DNxHD 1080p 8bit medium
303 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
304 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
305 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 },
306 mxf_write_cdci_desc },
307 // DNxHD 1080p 8bit high
308 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
309 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
310 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 },
311 mxf_write_cdci_desc },
312 // DNxHD 1080i 10bit high
313 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
314 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
315 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 },
316 mxf_write_cdci_desc },
317 // DNxHD 1080i 8bit medium
318 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
319 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
320 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 },
321 mxf_write_cdci_desc },
322 // DNxHD 1080i 8bit high
323 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
324 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
325 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 },
326 mxf_write_cdci_desc },
328 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
329 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
330 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 },
331 mxf_write_cdci_desc },
332 // DNxHD 720p 8bit high
333 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
334 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
335 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 },
336 mxf_write_cdci_desc },
337 // DNxHD 720p 8bit medium
338 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
339 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
340 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 },
341 mxf_write_cdci_desc },
342 // DNxHD 720p 8bit low
343 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
344 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
345 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 },
346 mxf_write_cdci_desc },
348 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
349 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
350 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 },
351 mxf_write_cdci_desc },
353 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 },
354 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
355 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
356 mxf_write_mpegvideo_desc },
357 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
358 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
359 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
363 typedef struct MXFContext {
365 int64_t footer_partition_offset;
366 int essence_container_count;
367 AVRational time_base;
369 MXFIndexEntry *index_entries;
370 unsigned edit_units_count;
371 uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
372 uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
373 int last_indexed_edit_unit;
374 uint64_t *body_partition_offset;
375 unsigned body_partitions_count;
376 int last_key_index; ///< index of last key frame
378 AVTimecode tc; ///< timecode context
379 AVStream *timecode_track;
380 int timecode_base; ///< rounded time code base (25 or 30)
381 int edit_unit_byte_count; ///< fixed edit unit byte count
382 uint64_t body_offset;
383 uint32_t instance_number;
384 uint8_t umid[16]; ///< unique material identifier
387 uint32_t tagged_value_count;
388 AVRational audio_edit_rate;
389 int store_user_comments;
390 int track_instance_count; // used to generate MXFTrack uuids
393 static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
394 static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
397 * complete key for operation pattern, partitions, and primer pack
399 static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
400 static const uint8_t opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 };
401 static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
402 static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
403 static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
404 static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
405 static const uint8_t header_open_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x02,0x01,0x00 }; // OpenIncomplete
406 static const uint8_t header_closed_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x02,0x04,0x00 }; // ClosedComplete
407 static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
408 static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
411 * partial key for header metadata
413 static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
414 static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
417 * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
418 * https://smpte-ra.org/sites/default/files/Labels.xml
420 static const MXFLocalTagPair mxf_local_tag_batch[] = {
422 { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
423 { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
424 { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
425 { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
426 { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
427 { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
428 { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
429 { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
431 { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
432 { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
433 { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
434 { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
435 { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
436 { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
438 { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
439 { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
440 // Essence Container Data
441 { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
442 { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
444 { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
445 { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
446 { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
447 { 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */
448 { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
449 { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
451 { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
452 { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
453 { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
454 { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
455 { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
457 { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
458 { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
459 { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
461 { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
462 { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
463 { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
464 // Timecode Component
465 { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
466 { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
467 { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
469 { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
470 { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
471 { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
472 { 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */
473 { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
474 // Generic Picture Essence Descriptor
475 { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
476 { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
477 { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
478 { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
479 { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
480 { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
481 { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */
482 { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
483 { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
484 { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
485 { 0x3215, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x05,0x01,0x13,0x00,0x00,0x00,0x00}}, /* Signal Standard */
486 // CDCI Picture Essence Descriptor
487 { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
488 { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
489 { 0x3303, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x06,0x00,0x00,0x00}}, /* Color Siting */
490 // Generic Sound Essence Descriptor
491 { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
492 { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
493 { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
494 { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
495 { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
496 // Index Table Segment
497 { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
498 { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
499 { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
500 { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
501 { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
502 { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
503 { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
504 { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
505 // MPEG video Descriptor
506 { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
507 { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
508 // Wave Audio Essence Descriptor
509 { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
510 { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
513 static const MXFLocalTagPair mxf_user_comments_local_tag[] = {
514 { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */
515 { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */
516 { 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */
519 static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
521 avio_write(pb, uuid_base, 12);
523 avio_wb16(pb, value);
526 static void mxf_write_umid(AVFormatContext *s, int type)
528 MXFContext *mxf = s->priv_data;
529 avio_write(s->pb, umid_ul, 13);
530 avio_wb24(s->pb, mxf->instance_number);
531 avio_write(s->pb, mxf->umid, 15);
532 avio_w8(s->pb, type);
535 static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
537 avio_wb32(pb, ref_count);
541 static int klv_ber_length(uint64_t len)
546 return (av_log2(len) >> 3) + 2;
549 static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
551 // Determine the best BER size
559 size = (av_log2(len) >> 3) + 1;
562 avio_w8(pb, 0x80 + size);
565 avio_w8(pb, len >> 8 * size & 0xff);
570 static void klv_encode_ber4_length(AVIOContext *pb, int len)
572 avio_w8(pb, 0x80 + 3);
576 static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
578 avio_w8(pb, 0x80 + 8);
583 * Get essence container ul index
585 static int mxf_get_essence_container_ul_index(enum AVCodecID id)
588 for (i = 0; mxf_essence_mappings[i].id; i++)
589 if (mxf_essence_mappings[i].id == id)
590 return mxf_essence_mappings[i].index;
594 static void mxf_write_primer_pack(AVFormatContext *s)
596 MXFContext *mxf = s->priv_data;
597 AVIOContext *pb = s->pb;
598 int local_tag_number, i = 0;
600 local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch);
601 local_tag_number += mxf->store_user_comments * FF_ARRAY_ELEMS(mxf_user_comments_local_tag);
603 avio_write(pb, primer_pack_key, 16);
604 klv_encode_ber_length(pb, local_tag_number * 18 + 8);
606 avio_wb32(pb, local_tag_number); // local_tag num
607 avio_wb32(pb, 18); // item size, always 18 according to the specs
609 for (i = 0; i < FF_ARRAY_ELEMS(mxf_local_tag_batch); i++) {
610 avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
611 avio_write(pb, mxf_local_tag_batch[i].uid, 16);
613 if (mxf->store_user_comments)
614 for (i = 0; i < FF_ARRAY_ELEMS(mxf_user_comments_local_tag); i++) {
615 avio_wb16(pb, mxf_user_comments_local_tag[i].local_tag);
616 avio_write(pb, mxf_user_comments_local_tag[i].uid, 16);
620 static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
626 static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
628 avio_write(pb, header_metadata_key, 13);
629 avio_wb24(pb, value);
632 static void mxf_free(AVFormatContext *s)
636 for (i = 0; i < s->nb_streams; i++) {
637 AVStream *st = s->streams[i];
638 av_freep(&st->priv_data);
642 static const MXFCodecUL *mxf_get_data_definition_ul(int type)
644 const MXFCodecUL *uls = ff_mxf_data_definition_uls;
645 while (uls->uid[0]) {
653 //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
654 #define DESCRIPTOR_COUNT(essence_container_count) \
655 (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
657 static void mxf_write_essence_container_refs(AVFormatContext *s)
659 MXFContext *c = s->priv_data;
660 AVIOContext *pb = s->pb;
663 mxf_write_refs_count(pb, DESCRIPTOR_COUNT(c->essence_container_count));
664 av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
665 for (i = 0; i < c->essence_container_count; i++) {
666 MXFStreamContext *sc = s->streams[i]->priv_data;
667 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
670 if (c->essence_container_count > 1)
671 avio_write(pb, multiple_desc_ul, 16);
674 static void mxf_write_preface(AVFormatContext *s)
676 MXFContext *mxf = s->priv_data;
677 AVIOContext *pb = s->pb;
679 mxf_write_metadata_key(pb, 0x012f00);
680 PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
681 klv_encode_ber_length(pb, 130 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
683 // write preface set uid
684 mxf_write_local_tag(pb, 16, 0x3C0A);
685 mxf_write_uuid(pb, Preface, 0);
686 PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
688 // last modified date
689 mxf_write_local_tag(pb, 8, 0x3B02);
690 avio_wb64(pb, mxf->timestamp);
693 mxf_write_local_tag(pb, 2, 0x3B05);
694 avio_wb16(pb, 258); // v1.2
696 // write identification_refs
697 mxf_write_local_tag(pb, 16 + 8, 0x3B06);
698 mxf_write_refs_count(pb, 1);
699 mxf_write_uuid(pb, Identification, 0);
701 // write content_storage_refs
702 mxf_write_local_tag(pb, 16, 0x3B03);
703 mxf_write_uuid(pb, ContentStorage, 0);
705 // operational pattern
706 mxf_write_local_tag(pb, 16, 0x3B09);
707 if (s->oformat == &ff_mxf_opatom_muxer)
708 avio_write(pb, opatom_ul, 16);
710 avio_write(pb, op1a_ul, 16);
712 // write essence_container_refs
713 mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A);
714 mxf_write_essence_container_refs(s);
716 // write dm_scheme_refs
717 mxf_write_local_tag(pb, 8, 0x3B0B);
722 * Returns the length of the UTF-16 string, in 16-bit characters, that would result
723 * from decoding the utf-8 string.
725 static uint64_t mxf_utf16len(const char *utf8_str)
727 const uint8_t *q = utf8_str;
731 GET_UTF8(ch, *q++, goto invalid;)
738 av_log(NULL, AV_LOG_ERROR, "Invalid UTF8 sequence in mxf_utf16len\n\n");
745 * Returns the calculated length a local tag containing an utf-8 string as utf-16
747 static int mxf_utf16_local_tag_length(const char *utf8_str)
754 size = mxf_utf16len(utf8_str);
755 if (size >= UINT16_MAX/2) {
756 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
764 * Write a local tag containing an utf-8 string as utf-16
766 static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
768 uint64_t size = mxf_utf16len(value);
770 if (size >= UINT16_MAX/2) {
771 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
775 mxf_write_local_tag(pb, size*2, tag);
776 avio_put_str16be(pb, value);
779 static void mxf_write_identification(AVFormatContext *s)
781 MXFContext *mxf = s->priv_data;
782 AVIOContext *pb = s->pb;
783 const char *company = "FFmpeg";
784 const char *product = s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer";
788 mxf_write_metadata_key(pb, 0x013000);
789 PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
791 version = s->flags & AVFMT_FLAG_BITEXACT ?
792 "0.0.0" : AV_STRINGIFY(LIBAVFORMAT_VERSION);
793 length = 72 + mxf_utf16_local_tag_length(company) +
794 mxf_utf16_local_tag_length(product) +
795 mxf_utf16_local_tag_length(version);
796 klv_encode_ber_length(pb, length);
799 mxf_write_local_tag(pb, 16, 0x3C0A);
800 mxf_write_uuid(pb, Identification, 0);
801 PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
803 // write generation uid
804 mxf_write_local_tag(pb, 16, 0x3C09);
805 mxf_write_uuid(pb, Identification, 1);
806 mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
807 mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
808 mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
811 mxf_write_local_tag(pb, 16, 0x3C05);
812 mxf_write_uuid(pb, Identification, 2);
815 mxf_write_local_tag(pb, 8, 0x3C06);
816 avio_wb64(pb, mxf->timestamp);
819 static void mxf_write_content_storage(AVFormatContext *s, MXFPackage *packages, int package_count)
821 AVIOContext *pb = s->pb;
824 mxf_write_metadata_key(pb, 0x011800);
825 PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
826 klv_encode_ber_length(pb, 60 + (16 * package_count));
829 mxf_write_local_tag(pb, 16, 0x3C0A);
830 mxf_write_uuid(pb, ContentStorage, 0);
831 PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
833 // write package reference
834 mxf_write_local_tag(pb, 16 * package_count + 8, 0x1901);
835 mxf_write_refs_count(pb, package_count);
836 for (i = 0; i < package_count; i++) {
837 mxf_write_uuid(pb, packages[i].type, packages[i].instance);
840 // write essence container data
841 mxf_write_local_tag(pb, 8 + 16, 0x1902);
842 mxf_write_refs_count(pb, 1);
843 mxf_write_uuid(pb, EssenceContainerData, 0);
846 static void mxf_write_track(AVFormatContext *s, AVStream *st, MXFPackage *package)
848 MXFContext *mxf = s->priv_data;
849 AVIOContext *pb = s->pb;
850 MXFStreamContext *sc = st->priv_data;
852 mxf_write_metadata_key(pb, 0x013b00);
853 PRINT_KEY(s, "track key", pb->buf_ptr - 16);
854 klv_encode_ber_length(pb, 80);
857 mxf_write_local_tag(pb, 16, 0x3C0A);
858 mxf_write_uuid(pb, Track, mxf->track_instance_count);
859 PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
862 mxf_write_local_tag(pb, 4, 0x4801);
863 avio_wb32(pb, st->index+2);
865 // write track number
866 mxf_write_local_tag(pb, 4, 0x4804);
867 if (package->type == MaterialPackage)
868 avio_wb32(pb, 0); // track number of material package is 0
870 avio_write(pb, sc->track_essence_element_key + 12, 4);
873 mxf_write_local_tag(pb, 8, 0x4B01);
875 if (st == mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer) {
876 avio_wb32(pb, mxf->tc.rate.num);
877 avio_wb32(pb, mxf->tc.rate.den);
879 avio_wb32(pb, mxf->time_base.den);
880 avio_wb32(pb, mxf->time_base.num);
884 mxf_write_local_tag(pb, 8, 0x4B02);
887 // write sequence refs
888 mxf_write_local_tag(pb, 16, 0x4803);
889 mxf_write_uuid(pb, Sequence, mxf->track_instance_count);
892 static const uint8_t smpte_12m_timecode_track_data_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x01,0x03,0x02,0x01,0x01,0x00,0x00,0x00 };
894 static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
896 MXFContext *mxf = s->priv_data;
897 AVIOContext *pb = s->pb;
899 // find data define uls
900 mxf_write_local_tag(pb, 16, 0x0201);
901 if (st == mxf->timecode_track)
902 avio_write(pb, smpte_12m_timecode_track_data_ul, 16);
904 const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codecpar->codec_type);
905 avio_write(pb, data_def_ul->uid, 16);
909 mxf_write_local_tag(pb, 8, 0x0202);
911 if (st != mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer && st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
912 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
914 avio_wb64(pb, mxf->duration);
918 static void mxf_write_sequence(AVFormatContext *s, AVStream *st, MXFPackage *package)
920 MXFContext *mxf = s->priv_data;
921 AVIOContext *pb = s->pb;
922 enum MXFMetadataSetType component;
924 mxf_write_metadata_key(pb, 0x010f00);
925 PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
926 klv_encode_ber_length(pb, 80);
928 mxf_write_local_tag(pb, 16, 0x3C0A);
929 mxf_write_uuid(pb, Sequence, mxf->track_instance_count);
931 PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
932 mxf_write_common_fields(s, st);
934 // write structural component
935 mxf_write_local_tag(pb, 16 + 8, 0x1001);
936 mxf_write_refs_count(pb, 1);
937 if (st == mxf->timecode_track)
938 component = TimecodeComponent;
940 component = SourceClip;
942 mxf_write_uuid(pb, component, mxf->track_instance_count);
945 static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, MXFPackage *package)
947 MXFContext *mxf = s->priv_data;
948 AVIOContext *pb = s->pb;
950 mxf_write_metadata_key(pb, 0x011400);
951 klv_encode_ber_length(pb, 75);
954 mxf_write_local_tag(pb, 16, 0x3C0A);
955 mxf_write_uuid(pb, TimecodeComponent, mxf->track_instance_count);
957 mxf_write_common_fields(s, st);
960 mxf_write_local_tag(pb, 8, 0x1501);
961 avio_wb64(pb, mxf->tc.start);
963 // Rounded Time Code Base
964 mxf_write_local_tag(pb, 2, 0x1502);
965 avio_wb16(pb, mxf->timecode_base);
968 mxf_write_local_tag(pb, 1, 0x1503);
969 avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
972 static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, MXFPackage *package)
974 MXFContext *mxf = s->priv_data;
975 AVIOContext *pb = s->pb;
978 mxf_write_metadata_key(pb, 0x011100);
979 PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
980 klv_encode_ber_length(pb, 108);
983 mxf_write_local_tag(pb, 16, 0x3C0A);
984 mxf_write_uuid(pb, SourceClip, mxf->track_instance_count);
986 PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
987 mxf_write_common_fields(s, st);
989 // write start_position
990 mxf_write_local_tag(pb, 8, 0x1201);
993 // write source package uid, end of the reference
994 mxf_write_local_tag(pb, 32, 0x1101);
996 for (i = 0; i < 4; i++)
999 mxf_write_umid(s, package->ref->instance);
1001 // write source track id
1002 mxf_write_local_tag(pb, 4, 0x1102);
1003 if (package->type == SourcePackage && !package->ref)
1006 avio_wb32(pb, st->index+2);
1009 static void mxf_write_tape_descriptor(AVFormatContext *s)
1011 AVIOContext *pb = s->pb;
1013 mxf_write_metadata_key(pb, 0x012e00);
1014 PRINT_KEY(s, "tape descriptor key", pb->buf_ptr - 16);
1015 klv_encode_ber_length(pb, 20);
1016 mxf_write_local_tag(pb, 16, 0x3C0A);
1017 mxf_write_uuid(pb, TapeDescriptor, 0);
1018 PRINT_KEY(s, "tape_desc uid", pb->buf_ptr - 16);
1022 static void mxf_write_multi_descriptor(AVFormatContext *s)
1024 MXFContext *mxf = s->priv_data;
1025 AVIOContext *pb = s->pb;
1029 mxf_write_metadata_key(pb, 0x014400);
1030 PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
1031 klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
1033 mxf_write_local_tag(pb, 16, 0x3C0A);
1034 mxf_write_uuid(pb, MultipleDescriptor, 0);
1035 PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
1037 // write sample rate
1038 mxf_write_local_tag(pb, 8, 0x3001);
1039 avio_wb32(pb, mxf->time_base.den);
1040 avio_wb32(pb, mxf->time_base.num);
1042 // write essence container ul
1043 mxf_write_local_tag(pb, 16, 0x3004);
1044 if (mxf->essence_container_count > 1)
1045 ul = multiple_desc_ul;
1047 MXFStreamContext *sc = s->streams[0]->priv_data;
1048 ul = mxf_essence_container_uls[sc->index].container_ul;
1050 avio_write(pb, ul, 16);
1052 // write sub descriptor refs
1053 mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01);
1054 mxf_write_refs_count(pb, s->nb_streams);
1055 for (i = 0; i < s->nb_streams; i++)
1056 mxf_write_uuid(pb, SubDescriptor, i);
1059 static void mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1061 MXFContext *mxf = s->priv_data;
1062 MXFStreamContext *sc = st->priv_data;
1063 AVIOContext *pb = s->pb;
1065 avio_write(pb, key, 16);
1066 klv_encode_ber4_length(pb, size+20+8+12+20);
1068 mxf_write_local_tag(pb, 16, 0x3C0A);
1069 mxf_write_uuid(pb, SubDescriptor, st->index);
1071 mxf_write_local_tag(pb, 4, 0x3006);
1072 avio_wb32(pb, st->index+2);
1074 mxf_write_local_tag(pb, 8, 0x3001);
1075 if (s->oformat == &ff_mxf_d10_muxer) {
1076 avio_wb32(pb, mxf->time_base.den);
1077 avio_wb32(pb, mxf->time_base.num);
1079 if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S16LE ||
1080 st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
1081 avio_wb32(pb, st->codecpar->sample_rate);
1084 avio_wb32(pb, mxf->time_base.den);
1085 avio_wb32(pb, mxf->time_base.num);
1089 mxf_write_local_tag(pb, 16, 0x3004);
1090 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
1093 static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
1094 static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
1095 static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
1096 static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
1097 static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
1099 static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1101 MXFStreamContext *sc = st->priv_data;
1102 AVIOContext *pb = s->pb;
1103 int stored_height = (st->codecpar->height+15)/16*16;
1106 unsigned desc_size = size+8+8+8+8+8+8+8+5+16+4+12+20+5;
1107 if (sc->interlaced && sc->field_dominance)
1109 if (sc->signal_standard)
1112 mxf_write_generic_desc(s, st, key, desc_size);
1114 mxf_write_local_tag(pb, 4, 0x3203);
1115 avio_wb32(pb, st->codecpar->width);
1117 mxf_write_local_tag(pb, 4, 0x3202);
1118 avio_wb32(pb, stored_height>>sc->interlaced);
1120 mxf_write_local_tag(pb, 4, 0x3209);
1121 avio_wb32(pb, st->codecpar->width);
1123 if (st->codecpar->height == 608) // PAL + VBI
1124 display_height = 576;
1125 else if (st->codecpar->height == 512) // NTSC + VBI
1126 display_height = 486;
1128 display_height = st->codecpar->height;
1130 mxf_write_local_tag(pb, 4, 0x3208);
1131 avio_wb32(pb, display_height>>sc->interlaced);
1133 // presentation Y offset
1134 mxf_write_local_tag(pb, 4, 0x320B);
1135 avio_wb32(pb, (st->codecpar->height - display_height)>>sc->interlaced);
1138 mxf_write_local_tag(pb, 4, 0x3301);
1139 avio_wb32(pb, sc->component_depth);
1141 // horizontal subsampling
1142 mxf_write_local_tag(pb, 4, 0x3302);
1143 avio_wb32(pb, sc->h_chroma_sub_sample);
1146 mxf_write_local_tag(pb, 1, 0x3303);
1147 avio_w8(pb, sc->color_siting);
1149 if (sc->signal_standard) {
1150 mxf_write_local_tag(pb, 1, 0x3215);
1151 avio_w8(pb, sc->signal_standard);
1155 mxf_write_local_tag(pb, 1, 0x320C);
1156 avio_w8(pb, sc->interlaced);
1159 switch (st->codecpar->height) {
1160 case 576: f1 = 23; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break;
1161 case 608: f1 = 7; f2 = 320; break;
1162 case 480: f1 = 20; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
1163 case 512: f1 = 7; f2 = 270; break;
1164 case 720: f1 = 26; f2 = 0; break; // progressive
1165 case 1080: f1 = 21; f2 = 584; break;
1166 default: f1 = 0; f2 = 0; break;
1169 if (!sc->interlaced) {
1175 mxf_write_local_tag(pb, 16, 0x320D);
1181 mxf_write_local_tag(pb, 8, 0x320E);
1182 avio_wb32(pb, sc->aspect_ratio.num);
1183 avio_wb32(pb, sc->aspect_ratio.den);
1185 mxf_write_local_tag(pb, 16, 0x3201);
1186 avio_write(pb, *sc->codec_ul, 16);
1188 if (sc->interlaced && sc->field_dominance) {
1189 mxf_write_local_tag(pb, 1, 0x3212);
1190 avio_w8(pb, sc->field_dominance);
1195 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
1197 mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key, 0);
1200 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
1202 AVIOContext *pb = s->pb;
1203 MXFStreamContext *sc = st->priv_data;
1204 int profile_and_level = (st->codecpar->profile<<4) | st->codecpar->level;
1206 if (st->codecpar->codec_id != AV_CODEC_ID_H264) {
1207 mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 8+5);
1210 mxf_write_local_tag(pb, 4, 0x8000);
1211 avio_wb32(pb, sc->video_bit_rate);
1213 // profile and level
1214 mxf_write_local_tag(pb, 1, 0x8007);
1215 if (!st->codecpar->profile)
1216 profile_and_level |= 0x80; // escape bit
1217 avio_w8(pb, profile_and_level);
1219 mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 0);
1223 static void mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1225 AVIOContext *pb = s->pb;
1226 MXFContext *mxf = s->priv_data;
1227 int show_warnings = !mxf->footer_partition_offset;
1228 int duration_size = 0;
1230 if (s->oformat == &ff_mxf_opatom_muxer)
1233 mxf_write_generic_desc(s, st, key, size+duration_size+5+12+8+8);
1235 if (duration_size > 0) {
1236 mxf_write_local_tag(pb, 8, 0x3002);
1237 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
1241 mxf_write_local_tag(pb, 1, 0x3D02);
1244 // write audio sampling rate
1245 mxf_write_local_tag(pb, 8, 0x3D03);
1246 avio_wb32(pb, st->codecpar->sample_rate);
1249 mxf_write_local_tag(pb, 4, 0x3D07);
1250 if (mxf->channel_count == -1) {
1251 if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codecpar->channels != 4) && (st->codecpar->channels != 8))
1252 av_log(s, AV_LOG_WARNING, "the number of audio channels shall be 4 or 8 : the output will not comply to MXF D-10 specs, use -d10_channelcount to fix this\n");
1253 avio_wb32(pb, st->codecpar->channels);
1254 } else if (s->oformat == &ff_mxf_d10_muxer) {
1255 if (show_warnings && (mxf->channel_count < st->codecpar->channels))
1256 av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1257 if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1258 av_log(s, AV_LOG_WARNING, "d10_channelcount shall be set to 4 or 8 : the output will not comply to MXF D-10 specs\n");
1259 avio_wb32(pb, mxf->channel_count);
1261 avio_wb32(pb, st->codecpar->channels);
1264 mxf_write_local_tag(pb, 4, 0x3D01);
1265 avio_wb32(pb, av_get_bits_per_sample(st->codecpar->codec_id));
1268 static void mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1270 AVIOContext *pb = s->pb;
1272 mxf_write_generic_sound_common(s, st, key, size+6+8);
1274 mxf_write_local_tag(pb, 2, 0x3D0A);
1275 avio_wb16(pb, st->codecpar->block_align);
1277 // avg bytes per sec
1278 mxf_write_local_tag(pb, 4, 0x3D09);
1279 avio_wb32(pb, st->codecpar->block_align*st->codecpar->sample_rate);
1282 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
1284 mxf_write_wav_common(s, st, mxf_wav_descriptor_key, 0);
1287 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
1289 mxf_write_wav_common(s, st, mxf_aes3_descriptor_key, 0);
1292 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
1294 mxf_write_generic_sound_common(s, st, mxf_generic_sound_descriptor_key, 0);
1297 static const uint8_t mxf_indirect_value_utf16le[] = { 0x4c,0x00,0x02,0x10,0x01,0x00,0x00,0x00,0x00,0x06,0x0e,0x2b,0x34,0x01,0x04,0x01,0x01 };
1299 static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value)
1301 MXFContext *mxf = s->priv_data;
1302 AVIOContext *pb = s->pb;
1303 int name_size = mxf_utf16_local_tag_length(name);
1304 int indirect_value_size = 13 + mxf_utf16_local_tag_length(value);
1306 if (!name_size || indirect_value_size == 13)
1309 mxf_write_metadata_key(pb, 0x013f00);
1310 klv_encode_ber_length(pb, 24 + name_size + indirect_value_size);
1312 // write instance UID
1313 mxf_write_local_tag(pb, 16, 0x3C0A);
1314 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count);
1317 mxf_write_local_tag_utf16(pb, 0x5001, name); // Name
1319 // write indirect value
1320 mxf_write_local_tag(pb, indirect_value_size, 0x5003);
1321 avio_write(pb, mxf_indirect_value_utf16le, 17);
1322 avio_put_str16le(pb, value);
1324 mxf->tagged_value_count++;
1328 static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m)
1330 MXFContext *mxf = s->priv_data;
1331 AVDictionaryEntry *t = NULL;
1334 while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) {
1335 if (mxf->tagged_value_count >= UINT16_MAX) {
1336 av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n");
1340 if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0)
1346 static void mxf_write_package(AVFormatContext *s, MXFPackage *package)
1348 MXFContext *mxf = s->priv_data;
1349 AVIOContext *pb = s->pb;
1350 int i, track_count = s->nb_streams+1;
1351 int name_size = mxf_utf16_local_tag_length(package->name);
1352 int user_comment_count = 0;
1354 if (package->type == MaterialPackage) {
1355 if (mxf->store_user_comments)
1356 user_comment_count = mxf_write_user_comments(s, s->metadata);
1357 mxf_write_metadata_key(pb, 0x013600);
1358 PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1359 klv_encode_ber_length(pb, 92 + name_size + (16*track_count) + (16*user_comment_count) + 12LL*mxf->store_user_comments);
1361 mxf_write_metadata_key(pb, 0x013700);
1362 PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1363 klv_encode_ber_length(pb, 112 + name_size + (16*track_count) + 12LL*mxf->store_user_comments); // 20 bytes length for descriptor reference
1367 mxf_write_local_tag(pb, 16, 0x3C0A);
1368 mxf_write_uuid(pb, package->type, package->instance);
1369 av_log(s, AV_LOG_DEBUG, "package type:%d\n", package->type);
1370 PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1372 // write package umid
1373 mxf_write_local_tag(pb, 32, 0x4401);
1374 mxf_write_umid(s, package->instance);
1375 PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1379 mxf_write_local_tag_utf16(pb, 0x4402, package->name);
1381 // package creation date
1382 mxf_write_local_tag(pb, 8, 0x4405);
1383 avio_wb64(pb, mxf->timestamp);
1385 // package modified date
1386 mxf_write_local_tag(pb, 8, 0x4404);
1387 avio_wb64(pb, mxf->timestamp);
1390 mxf_write_local_tag(pb, track_count*16 + 8, 0x4403);
1391 mxf_write_refs_count(pb, track_count);
1392 // these are the uuids of the tracks the will be written in mxf_write_track
1393 for (i = 0; i < track_count; i++)
1394 mxf_write_uuid(pb, Track, mxf->track_instance_count + i);
1396 // write user comment refs
1397 if (mxf->store_user_comments) {
1398 mxf_write_local_tag(pb, user_comment_count*16 + 8, 0x4406);
1399 mxf_write_refs_count(pb, user_comment_count);
1400 for (i = 0; i < user_comment_count; i++)
1401 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i);
1404 // write multiple descriptor reference
1405 if (package->type == SourcePackage && package->instance == 1) {
1406 mxf_write_local_tag(pb, 16, 0x4701);
1407 if (s->nb_streams > 1) {
1408 mxf_write_uuid(pb, MultipleDescriptor, 0);
1409 mxf_write_multi_descriptor(s);
1411 mxf_write_uuid(pb, SubDescriptor, 0);
1412 } else if (package->type == SourcePackage && package->instance == 2) {
1413 mxf_write_local_tag(pb, 16, 0x4701);
1414 mxf_write_uuid(pb, TapeDescriptor, 0);
1415 mxf_write_tape_descriptor(s);
1419 * for every 1 track in a package there is 1 sequence and 1 component.
1420 * all 3 of these elements share the same instance number for generating
1421 * there instance uuids. mxf->track_instance_count stores this value.
1422 * mxf->track_instance_count is incremented after a group of all 3 of
1423 * these elements are written.
1426 // write timecode track
1427 mxf_write_track(s, mxf->timecode_track, package);
1428 mxf_write_sequence(s, mxf->timecode_track, package);
1429 mxf_write_timecode_component(s, mxf->timecode_track, package);
1430 mxf->track_instance_count++;
1432 for (i = 0; i < s->nb_streams; i++) {
1433 AVStream *st = s->streams[i];
1434 mxf_write_track(s, st, package);
1435 mxf_write_sequence(s, st, package);
1436 mxf_write_structural_component(s, st, package);
1437 mxf->track_instance_count++;
1439 if (package->type == SourcePackage && package->instance == 1) {
1440 MXFStreamContext *sc = st->priv_data;
1441 mxf_essence_container_uls[sc->index].write_desc(s, st);
1446 static int mxf_write_essence_container_data(AVFormatContext *s)
1448 AVIOContext *pb = s->pb;
1450 mxf_write_metadata_key(pb, 0x012300);
1451 klv_encode_ber_length(pb, 72);
1453 mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID
1454 mxf_write_uuid(pb, EssenceContainerData, 0);
1456 mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID
1457 mxf_write_umid(s, 1);
1459 mxf_write_local_tag(pb, 4, 0x3F07); // BodySID
1462 mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID
1468 static int mxf_write_header_metadata_sets(AVFormatContext *s)
1470 MXFContext *mxf = s->priv_data;
1471 AVDictionaryEntry *entry = NULL;
1472 AVStream *st = NULL;
1474 MXFPackage packages[3] = {{0}};
1475 int package_count = 2;
1476 packages[0].type = MaterialPackage;
1477 packages[1].type = SourcePackage;
1478 packages[1].instance = 1;
1479 packages[0].ref = &packages[1];
1482 if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0))
1483 packages[0].name = entry->value;
1485 if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) {
1486 packages[1].name = entry->value;
1488 /* check if any of the streams contain a file_package_name */
1489 for (i = 0; i < s->nb_streams; i++) {
1491 if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) {
1492 packages[1].name = entry->value;
1498 entry = av_dict_get(s->metadata, "reel_name", NULL, 0);
1500 packages[2].name = entry->value;
1501 packages[2].type = SourcePackage;
1502 packages[2].instance = 2;
1503 packages[1].ref = &packages[2];
1507 mxf_write_preface(s);
1508 mxf_write_identification(s);
1509 mxf_write_content_storage(s, packages, package_count);
1510 mxf->track_instance_count = 0;
1511 for (i = 0; i < package_count; i++)
1512 mxf_write_package(s, &packages[i]);
1513 mxf_write_essence_container_data(s);
1517 static unsigned klv_fill_size(uint64_t size)
1519 unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1520 if (pad < 20) // smallest fill item possible
1521 return pad + KAG_SIZE;
1523 return pad & (KAG_SIZE-1);
1526 static void mxf_write_index_table_segment(AVFormatContext *s)
1528 MXFContext *mxf = s->priv_data;
1529 AVIOContext *pb = s->pb;
1530 int i, j, temporal_reordering = 0;
1531 int key_index = mxf->last_key_index;
1533 av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1535 if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1538 avio_write(pb, index_table_segment_key, 16);
1540 if (mxf->edit_unit_byte_count) {
1541 klv_encode_ber_length(pb, 80);
1543 klv_encode_ber_length(pb, 85 + 12+(s->nb_streams+1LL)*6 +
1544 12+mxf->edit_units_count*(11+mxf->slice_count*4LL));
1548 mxf_write_local_tag(pb, 16, 0x3C0A);
1549 mxf_write_uuid(pb, IndexTableSegment, 0);
1552 mxf_write_local_tag(pb, 8, 0x3F0B);
1553 avio_wb32(pb, mxf->time_base.den);
1554 avio_wb32(pb, mxf->time_base.num);
1556 // index start position
1557 mxf_write_local_tag(pb, 8, 0x3F0C);
1558 avio_wb64(pb, mxf->last_indexed_edit_unit);
1561 mxf_write_local_tag(pb, 8, 0x3F0D);
1562 if (mxf->edit_unit_byte_count)
1563 avio_wb64(pb, 0); // index table covers whole container
1565 avio_wb64(pb, mxf->edit_units_count);
1567 // edit unit byte count
1568 mxf_write_local_tag(pb, 4, 0x3F05);
1569 avio_wb32(pb, mxf->edit_unit_byte_count);
1572 mxf_write_local_tag(pb, 4, 0x3F06);
1576 mxf_write_local_tag(pb, 4, 0x3F07);
1579 if (!mxf->edit_unit_byte_count) {
1580 // real slice count - 1
1581 mxf_write_local_tag(pb, 1, 0x3F08);
1582 avio_w8(pb, mxf->slice_count);
1584 // delta entry array
1585 mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
1586 avio_wb32(pb, s->nb_streams+1); // num of entries
1587 avio_wb32(pb, 6); // size of one entry
1588 // write system item delta entry
1590 avio_w8(pb, 0); // slice entry
1591 avio_wb32(pb, 0); // element delta
1592 for (i = 0; i < s->nb_streams; i++) {
1593 AVStream *st = s->streams[i];
1594 MXFStreamContext *sc = st->priv_data;
1595 avio_w8(pb, sc->temporal_reordering);
1596 if (sc->temporal_reordering)
1597 temporal_reordering = 1;
1598 if (i == 0) { // video track
1599 avio_w8(pb, 0); // slice number
1600 avio_wb32(pb, KAG_SIZE); // system item size including klv fill
1601 } else { // audio track
1602 unsigned audio_frame_size = sc->aic.samples[0]*sc->aic.sample_size;
1603 audio_frame_size += klv_fill_size(audio_frame_size);
1605 avio_wb32(pb, (i-1)*audio_frame_size); // element delta
1609 mxf_write_local_tag(pb, 8 + mxf->edit_units_count*(11+mxf->slice_count*4), 0x3F0A);
1610 avio_wb32(pb, mxf->edit_units_count); // num of entries
1611 avio_wb32(pb, 11+mxf->slice_count*4); // size of one entry
1613 for (i = 0; i < mxf->edit_units_count; i++) {
1614 int temporal_offset = 0;
1616 if (!(mxf->index_entries[i].flags & 0x33)) { // I-frame
1617 mxf->last_key_index = key_index;
1621 if (temporal_reordering) {
1622 int pic_num_in_gop = i - key_index;
1623 if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
1624 for (j = key_index; j < mxf->edit_units_count; j++) {
1625 if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
1628 if (j == mxf->edit_units_count)
1629 av_log(s, AV_LOG_WARNING, "missing frames\n");
1630 temporal_offset = j - key_index - pic_num_in_gop;
1633 avio_w8(pb, temporal_offset);
1635 if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
1636 avio_w8(pb, mxf->last_key_index - i);
1638 avio_w8(pb, key_index - i); // key frame offset
1639 if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
1640 mxf->last_key_index = key_index;
1643 if (!(mxf->index_entries[i].flags & 0x33) && // I-frame
1644 mxf->index_entries[i].flags & 0x40 && !temporal_offset)
1645 mxf->index_entries[i].flags |= 0x80; // random access
1646 avio_w8(pb, mxf->index_entries[i].flags);
1648 avio_wb64(pb, mxf->index_entries[i].offset);
1649 if (s->nb_streams > 1)
1650 avio_wb32(pb, mxf->index_entries[i].slice_offset);
1653 mxf->last_key_index = key_index - mxf->edit_units_count;
1654 mxf->last_indexed_edit_unit += mxf->edit_units_count;
1655 mxf->edit_units_count = 0;
1659 static void mxf_write_klv_fill(AVFormatContext *s)
1661 unsigned pad = klv_fill_size(avio_tell(s->pb));
1663 avio_write(s->pb, klv_fill_key, 16);
1665 klv_encode_ber4_length(s->pb, pad);
1666 ffio_fill(s->pb, 0, pad);
1667 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
1671 static int mxf_write_partition(AVFormatContext *s, int bodysid,
1673 const uint8_t *key, int write_metadata)
1675 MXFContext *mxf = s->priv_data;
1676 AVIOContext *pb = s->pb;
1677 int64_t header_byte_count_offset;
1678 unsigned index_byte_count = 0;
1679 uint64_t partition_offset = avio_tell(pb);
1682 if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
1683 index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
1684 12+mxf->edit_units_count*(11+mxf->slice_count*4);
1685 else if (mxf->edit_unit_byte_count && indexsid)
1686 index_byte_count = 80;
1688 if (index_byte_count) {
1689 // add encoded ber length
1690 index_byte_count += 16 + klv_ber_length(index_byte_count);
1691 index_byte_count += klv_fill_size(index_byte_count);
1694 if (key && !memcmp(key, body_partition_key, 16)) {
1695 if ((err = av_reallocp_array(&mxf->body_partition_offset, mxf->body_partitions_count + 1,
1696 sizeof(*mxf->body_partition_offset))) < 0) {
1697 mxf->body_partitions_count = 0;
1700 mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
1705 avio_write(pb, key, 16);
1707 avio_write(pb, body_partition_key, 16);
1709 klv_encode_ber_length(pb, 88 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
1711 // write partition value
1712 avio_wb16(pb, 1); // majorVersion
1713 avio_wb16(pb, 2); // minorVersion
1714 avio_wb32(pb, KAG_SIZE); // KAGSize
1716 avio_wb64(pb, partition_offset); // ThisPartition
1718 if (key && !memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
1719 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
1720 else if (key && !memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
1721 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
1725 avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
1728 header_byte_count_offset = avio_tell(pb);
1729 avio_wb64(pb, 0); // headerByteCount, update later
1732 avio_wb64(pb, index_byte_count); // indexByteCount
1733 avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
1736 if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && s->oformat != &ff_mxf_opatom_muxer)
1737 avio_wb64(pb, mxf->body_offset);
1741 avio_wb32(pb, bodysid); // bodySID
1743 // operational pattern
1744 if (s->oformat == &ff_mxf_opatom_muxer)
1745 avio_write(pb, opatom_ul, 16);
1747 avio_write(pb, op1a_ul, 16);
1749 // essence container
1750 mxf_write_essence_container_refs(s);
1752 if (write_metadata) {
1753 // mark the start of the headermetadata and calculate metadata size
1755 unsigned header_byte_count;
1757 mxf_write_klv_fill(s);
1758 start = avio_tell(s->pb);
1759 mxf_write_primer_pack(s);
1760 mxf_write_header_metadata_sets(s);
1761 pos = avio_tell(s->pb);
1762 header_byte_count = pos - start + klv_fill_size(pos);
1764 // update header_byte_count
1765 avio_seek(pb, header_byte_count_offset, SEEK_SET);
1766 avio_wb64(pb, header_byte_count);
1767 avio_seek(pb, pos, SEEK_SET);
1776 static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st,
1779 MXFContext *mxf = s->priv_data;
1780 MXFStreamContext *sc = st->priv_data;
1782 uint8_t* header_cid;
1785 if (mxf->header_written)
1791 header_cid = pkt->data + 0x28;
1792 cid = header_cid[0] << 24 | header_cid[1] << 16 | header_cid[2] << 8 | header_cid[3];
1794 if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) < 0)
1796 if ((sc->interlaced = avpriv_dnxhd_get_interlaced(cid)) < 0)
1797 return AVERROR_INVALIDDATA;
1801 sc->index = INDEX_DNXHD_1080p_10bit_HIGH;
1802 sc->component_depth = 10;
1805 sc->index = INDEX_DNXHD_1080p_8bit_MEDIUM;
1808 sc->index = INDEX_DNXHD_1080p_8bit_HIGH;
1811 sc->index = INDEX_DNXHD_1080i_10bit_HIGH;
1812 sc->component_depth = 10;
1815 sc->index = INDEX_DNXHD_1080i_8bit_MEDIUM;
1818 sc->index = INDEX_DNXHD_1080i_8bit_HIGH;
1821 sc->index = INDEX_DNXHD_720p_10bit;
1822 sc->component_depth = 10;
1825 sc->index = INDEX_DNXHD_720p_8bit_HIGH;
1828 sc->index = INDEX_DNXHD_720p_8bit_MEDIUM;
1831 sc->index = INDEX_DNXHD_720p_8bit_LOW;
1837 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1838 sc->aspect_ratio = (AVRational){ 16, 9 };
1840 if (s->oformat == &ff_mxf_opatom_muxer) {
1841 mxf->edit_unit_byte_count = frame_size;
1845 mxf->edit_unit_byte_count = KAG_SIZE;
1846 for (i = 0; i < s->nb_streams; i++) {
1847 AVStream *st = s->streams[i];
1848 MXFStreamContext *sc = st->priv_data;
1849 if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
1850 mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1851 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1852 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
1853 mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1854 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1861 static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
1863 MXFContext *mxf = s->priv_data;
1864 MXFStreamContext *sc = st->priv_data;
1865 uint8_t *vs_pack, *vsc_pack;
1866 int i, ul_index, frame_size, stype, pal;
1867 const AVDVProfile *profile;
1869 if (mxf->header_written)
1872 // Check for minimal frame size
1873 if (pkt->size < 120000)
1876 profile = av_dv_frame_profile(NULL, pkt->data, pkt->size);
1878 vs_pack = pkt->data + 80*5 + 48;
1879 vsc_pack = pkt->data + 80*5 + 53;
1880 stype = vs_pack[3] & 0x1f;
1881 pal = (vs_pack[3] >> 5) & 0x1;
1883 if ((vsc_pack[2] & 0x07) == 0x02) {
1884 sc->aspect_ratio = (AVRational){ 16, 9 };
1886 sc->aspect_ratio = (AVRational){ 4, 3 };
1889 sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
1890 // TODO: fix dv encoder to set proper FF/FS value in VSC pack
1891 // and set field dominance accordingly
1892 // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
1895 case 0x18: // DV100 720p
1896 ul_index = INDEX_DV100_720_50 + pal;
1897 frame_size = pal ? 288000 : 240000;
1898 if (sc->interlaced) {
1899 av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
1903 case 0x14: // DV100 1080i
1904 ul_index = INDEX_DV100_1080_50 + pal;
1905 frame_size = pal ? 576000 : 480000;
1908 ul_index = INDEX_DV50_525_60 + pal;
1909 frame_size = pal ? 288000 : 240000;
1912 if (profile && profile->pix_fmt == AV_PIX_FMT_YUV420P && pal) {
1913 ul_index = INDEX_DV25_525_60_IEC + pal;
1914 frame_size = pal ? 144000 : 120000;
1917 ul_index = INDEX_DV25_525_60 + pal;
1918 frame_size = pal ? 144000 : 120000;
1921 sc->index = ul_index;
1922 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1924 if(s->oformat == &ff_mxf_opatom_muxer) {
1925 mxf->edit_unit_byte_count = frame_size;
1929 mxf->edit_unit_byte_count = KAG_SIZE;
1930 for (i = 0; i < s->nb_streams; i++) {
1931 AVStream *st = s->streams[i];
1932 MXFStreamContext *sc = st->priv_data;
1933 if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
1934 mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1935 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1936 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
1937 mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1938 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1945 static const struct {
1950 } mxf_h264_codec_uls[] = {
1951 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x11,0x01 }, 0, 66, 0 }, // AVC Baseline, Unconstrained Coding
1952 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0 }, // AVC High 10 Intra
1953 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 0, 1 }, // AVC Intra 50 1080i60
1954 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 0, 1 }, // AVC Intra 50 1080i50
1955 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 0, 0 }, // AVC Intra 50 1080p30
1956 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 0, 0 }, // AVC Intra 50 1080p25
1957 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 0, 0 }, // AVC Intra 50 720p60
1958 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 0, 0 }, // AVC Intra 50 720p50
1959 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0 }, // AVC High 422 Intra
1960 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 0, 1 }, // AVC Intra 100 1080i60
1961 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 0, 1 }, // AVC Intra 100 1080i50
1962 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 0, 0 }, // AVC Intra 100 1080p30
1963 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 0, 0 }, // AVC Intra 100 1080p25
1964 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 0, 0 }, // AVC Intra 100 720p60
1965 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 0, 0 }, // AVC Intra 100 720p50
1968 static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st,
1969 AVPacket *pkt, MXFIndexEntry *e)
1971 MXFContext *mxf = s->priv_data;
1972 MXFStreamContext *sc = st->priv_data;
1973 static const int mxf_h264_num_codec_uls = sizeof(mxf_h264_codec_uls) / sizeof(mxf_h264_codec_uls[0]);
1974 const uint8_t *buf = pkt->data;
1975 const uint8_t *buf_end = pkt->data + pkt->size;
1976 uint32_t state = -1;
1977 int extra_size = 512; // support AVC Intra files without SPS/PPS header
1981 if (pkt->size > extra_size)
1982 buf_end -= pkt->size - extra_size; // no need to parse beyond SPS/PPS header
1985 buf = avpriv_find_start_code(buf, buf_end, &state);
1989 switch (state & 0x1f) {
1991 st->codecpar->profile = buf[1];
1995 if (e->flags & 0x40) { // sequence header present
1996 e->flags |= 0x80; // random access
2006 if (mxf->header_written)
2009 sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD
2010 sc->component_depth = 10; // AVC Intra is always 10 Bit
2011 sc->interlaced = st->codecpar->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0;
2013 sc->field_dominance = 1; // top field first is mandatory for AVC Intra
2016 frame_size = pkt->size + extra_size;
2017 for (i = 0; i < mxf_h264_num_codec_uls; i++) {
2018 if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) {
2019 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
2021 } else if (st->codecpar->profile == mxf_h264_codec_uls[i].profile) {
2022 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
2028 av_log(s, AV_LOG_ERROR, "AVC Intra 50/100 supported only\n");
2035 static const UID mxf_mpeg2_codec_uls[] = {
2036 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
2037 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
2038 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
2039 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
2040 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
2041 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
2042 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
2043 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
2044 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
2045 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
2048 static const UID *mxf_get_mpeg2_codec_ul(AVCodecParameters *par)
2052 if (par->profile == 4) { // Main
2053 if (par->level == 8) // Main
2054 return &mxf_mpeg2_codec_uls[0+long_gop];
2055 else if (par->level == 4) // High
2056 return &mxf_mpeg2_codec_uls[4+long_gop];
2057 else if (par->level == 6) // High 14
2058 return &mxf_mpeg2_codec_uls[8+long_gop];
2059 } else if (par->profile == 0) { // 422
2060 if (par->level == 5) // Main
2061 return &mxf_mpeg2_codec_uls[2+long_gop];
2062 else if (par->level == 2) // High
2063 return &mxf_mpeg2_codec_uls[6+long_gop];
2068 static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st,
2069 AVPacket *pkt, MXFIndexEntry *e)
2071 MXFStreamContext *sc = st->priv_data;
2075 for(i = 0; i < pkt->size - 4; i++) {
2076 c = (c<<8) + pkt->data[i];
2078 if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
2079 st->codecpar->profile = pkt->data[i+1] & 0x07;
2080 st->codecpar->level = pkt->data[i+2] >> 4;
2081 } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
2082 sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
2084 sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
2087 } else if (c == 0x1b8) { // gop
2088 if (pkt->data[i+4]>>6 & 0x01) { // closed
2090 if (e->flags & 0x40) // sequence header present
2091 e->flags |= 0x80; // random access
2093 } else if (c == 0x1b3) { // seq
2095 switch ((pkt->data[i+4]>>4) & 0xf) {
2096 case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
2097 case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
2098 case 4: sc->aspect_ratio = (AVRational){221,100}; break;
2100 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
2101 st->codecpar->width, st->codecpar->height, 1024*1024);
2103 } else if (c == 0x100) { // pic
2104 int pict_type = (pkt->data[i+2]>>3) & 0x07;
2105 e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2106 if (pict_type == 2) { // P-frame
2108 sc->closed_gop = 0; // reset closed GOP, don't matter anymore
2109 } else if (pict_type == 3) { // B-frame
2111 e->flags |= 0x13; // only backward prediction
2114 sc->temporal_reordering = -1;
2115 } else if (!pict_type) {
2116 av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
2121 if (s->oformat != &ff_mxf_d10_muxer)
2122 sc->codec_ul = mxf_get_mpeg2_codec_ul(st->codecpar);
2123 return !!sc->codec_ul;
2126 static uint64_t mxf_parse_timestamp(time_t timestamp)
2129 struct tm *time = gmtime_r(×tamp, &tmbuf);
2132 return (uint64_t)(time->tm_year+1900) << 48 |
2133 (uint64_t)(time->tm_mon+1) << 40 |
2134 (uint64_t) time->tm_mday << 32 |
2135 time->tm_hour << 24 |
2136 time->tm_min << 16 |
2140 static void mxf_gen_umid(AVFormatContext *s)
2142 MXFContext *mxf = s->priv_data;
2143 uint32_t seed = av_get_random_seed();
2144 uint64_t umid = seed + 0x5294713400000000LL;
2146 AV_WB64(mxf->umid , umid);
2147 AV_WB64(mxf->umid+8, umid>>8);
2149 mxf->instance_number = seed & 0xFFFFFF;
2152 static int mxf_init_timecode(AVFormatContext *s, AVStream *st, AVRational rate)
2154 MXFContext *mxf = s->priv_data;
2155 AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
2157 tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
2160 return av_timecode_init_from_string(&mxf->tc, rate, tcr->value, s);
2162 return av_timecode_init(&mxf->tc, rate, 0, 0, s);
2165 static int mxf_write_header(AVFormatContext *s)
2167 MXFContext *mxf = s->priv_data;
2169 uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
2170 const MXFSamplesPerFrame *spf = NULL;
2171 int64_t timestamp = 0;
2176 if (s->oformat == &ff_mxf_opatom_muxer && s->nb_streams !=1) {
2177 av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n");
2181 if (!av_dict_get(s->metadata, "comment_", NULL, AV_DICT_IGNORE_SUFFIX))
2182 mxf->store_user_comments = 0;
2184 for (i = 0; i < s->nb_streams; i++) {
2185 AVStream *st = s->streams[i];
2186 MXFStreamContext *sc = av_mallocz(sizeof(*sc));
2188 return AVERROR(ENOMEM);
2191 if (((i == 0) ^ (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)) && s->oformat != &ff_mxf_opatom_muxer) {
2192 av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
2196 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2197 const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codecpar->format);
2198 // TODO: should be avg_frame_rate
2199 AVRational rate, tbc = st->time_base;
2200 // Default component depth to 8
2201 sc->component_depth = 8;
2202 sc->h_chroma_sub_sample = 2;
2203 sc->color_siting = 0xFF;
2206 sc->component_depth = pix_desc->comp[0].depth;
2207 sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w;
2209 switch (ff_choose_chroma_location(s, st)) {
2210 case AVCHROMA_LOC_TOPLEFT: sc->color_siting = 0; break;
2211 case AVCHROMA_LOC_LEFT: sc->color_siting = 6; break;
2212 case AVCHROMA_LOC_TOP: sc->color_siting = 1; break;
2213 case AVCHROMA_LOC_CENTER: sc->color_siting = 3; break;
2216 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2217 spf = ff_mxf_get_samples_per_frame(s, tbc);
2219 av_log(s, AV_LOG_ERROR, "Unsupported video frame rate %d/%d\n",
2221 return AVERROR(EINVAL);
2223 mxf->time_base = spf->time_base;
2224 rate = av_inv_q(mxf->time_base);
2225 avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
2226 if((ret = mxf_init_timecode(s, st, rate)) < 0)
2229 sc->video_bit_rate = st->codecpar->bit_rate;
2230 if (s->oformat == &ff_mxf_d10_muxer) {
2231 if (st->codecpar->codec_id != AV_CODEC_ID_MPEG2VIDEO) {
2232 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support MPEG-2 Video\n");
2233 return AVERROR(EINVAL);
2235 if ((sc->video_bit_rate == 50000000) && (mxf->time_base.den == 25)) {
2236 sc->index = INDEX_D10_625_50_50_VIDEO;
2237 } else if ((sc->video_bit_rate == 49999840 || sc->video_bit_rate == 50000000) && (mxf->time_base.den != 25)) {
2238 sc->index = INDEX_D10_525_60_50_VIDEO;
2239 } else if (sc->video_bit_rate == 40000000) {
2240 if (mxf->time_base.den == 25) sc->index = INDEX_D10_625_50_40_VIDEO;
2241 else sc->index = INDEX_D10_525_60_40_VIDEO;
2242 } else if (sc->video_bit_rate == 30000000) {
2243 if (mxf->time_base.den == 25) sc->index = INDEX_D10_625_50_30_VIDEO;
2244 else sc->index = INDEX_D10_525_60_30_VIDEO;
2246 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
2250 mxf->edit_unit_byte_count = KAG_SIZE; // system element
2251 mxf->edit_unit_byte_count += 16 + 4 + (uint64_t)sc->video_bit_rate *
2252 mxf->time_base.num / (8*mxf->time_base.den);
2253 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2254 mxf->edit_unit_byte_count += 16 + 4 + 4 + spf->samples_per_frame[0]*8*4;
2255 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2257 sc->signal_standard = 1;
2259 if (mxf->signal_standard >= 0)
2260 sc->signal_standard = mxf->signal_standard;
2261 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2262 if (st->codecpar->sample_rate != 48000) {
2263 av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
2266 avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
2267 if (s->oformat == &ff_mxf_d10_muxer) {
2268 if (st->index != 1) {
2269 av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
2272 if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2273 st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) {
2274 av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
2276 sc->index = ((MXFStreamContext*)s->streams[0]->priv_data)->index + 1;
2277 } else if (s->oformat == &ff_mxf_opatom_muxer) {
2278 AVRational tbc = av_inv_q(mxf->audio_edit_rate);
2280 if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2281 st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) {
2282 av_log(s, AV_LOG_ERROR, "Only pcm_s16le and pcm_s24le audio codecs are implemented\n");
2283 return AVERROR_PATCHWELCOME;
2285 if (st->codecpar->channels != 1) {
2286 av_log(s, AV_LOG_ERROR, "MXF OPAtom only supports single channel audio\n");
2287 return AVERROR(EINVAL);
2290 spf = ff_mxf_get_samples_per_frame(s, tbc);
2292 av_log(s, AV_LOG_ERROR, "Unsupported timecode frame rate %d/%d\n", tbc.den, tbc.num);
2293 return AVERROR(EINVAL);
2296 mxf->time_base = st->time_base;
2297 if((ret = mxf_init_timecode(s, st, av_inv_q(spf->time_base))) < 0)
2300 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2301 mxf->edit_unit_byte_count = (av_get_bits_per_sample(st->codecpar->codec_id) * st->codecpar->channels) >> 3;
2302 sc->index = INDEX_WAV;
2304 mxf->slice_count = 1;
2309 sc->index = mxf_get_essence_container_ul_index(st->codecpar->codec_id);
2310 if (sc->index == -1) {
2311 av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
2312 "codec not currently supported in container\n", i);
2317 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2319 memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
2320 sc->track_essence_element_key[15] = present[sc->index];
2321 PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
2323 if (!present[sc->index])
2324 mxf->essence_container_count++;
2325 present[sc->index]++;
2328 if (s->oformat == &ff_mxf_d10_muxer || s->oformat == &ff_mxf_opatom_muxer) {
2329 mxf->essence_container_count = 1;
2332 if (!(s->flags & AVFMT_FLAG_BITEXACT))
2335 for (i = 0; i < s->nb_streams; i++) {
2336 MXFStreamContext *sc = s->streams[i]->priv_data;
2337 // update element count
2338 sc->track_essence_element_key[13] = present[sc->index];
2339 if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[15].element_ul, 13)) // DV
2340 sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
2342 sc->order = AV_RB32(sc->track_essence_element_key+12);
2345 if (ff_parse_creation_time_metadata(s, ×tamp, 1) > 0)
2346 mxf->timestamp = mxf_parse_timestamp(timestamp);
2349 mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
2350 if (!mxf->timecode_track)
2351 return AVERROR(ENOMEM);
2352 mxf->timecode_track->priv_data = av_mallocz(sizeof(MXFStreamContext));
2353 if (!mxf->timecode_track->priv_data)
2354 return AVERROR(ENOMEM);
2355 mxf->timecode_track->index = -1;
2358 spf = ff_mxf_get_samples_per_frame(s, (AVRational){ 1, 25 });
2360 if (ff_audio_interleave_init(s, spf->samples_per_frame, mxf->time_base) < 0)
2366 static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
2367 static const uint8_t system_metadata_package_set_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x43,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x02,0x01 };
2369 static void mxf_write_system_item(AVFormatContext *s)
2371 MXFContext *mxf = s->priv_data;
2372 AVIOContext *pb = s->pb;
2376 frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2378 // write system metadata pack
2379 avio_write(pb, system_metadata_pack_key, 16);
2380 klv_encode_ber4_length(pb, 57);
2381 avio_w8(pb, 0x5c); // UL, user date/time stamp, picture and sound item present
2382 avio_w8(pb, 0x04); // content package rate
2383 avio_w8(pb, 0x00); // content package type
2384 avio_wb16(pb, 0x00); // channel handle
2385 avio_wb16(pb, (mxf->tc.start + frame) & 0xFFFF); // continuity count, supposed to overflow
2386 if (mxf->essence_container_count > 1)
2387 avio_write(pb, multiple_desc_ul, 16);
2389 MXFStreamContext *sc = s->streams[0]->priv_data;
2390 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
2394 avio_wb64(pb, 0); // creation date/time stamp
2396 avio_w8(pb, 0x81); // SMPTE 12M time code
2397 time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
2398 avio_wb32(pb, time_code);
2399 avio_wb32(pb, 0); // binary group data
2402 // write system metadata package set
2403 avio_write(pb, system_metadata_package_set_key, 16);
2404 klv_encode_ber4_length(pb, 35);
2405 avio_w8(pb, 0x83); // UMID
2406 avio_wb16(pb, 0x20);
2407 mxf_write_umid(s, 1);
2410 static void mxf_write_d10_video_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2412 MXFContext *mxf = s->priv_data;
2413 AVIOContext *pb = s->pb;
2414 MXFStreamContext *sc = st->priv_data;
2415 int packet_size = (uint64_t)sc->video_bit_rate*mxf->time_base.num /
2416 (8*mxf->time_base.den); // frame size
2419 packet_size += 16 + 4;
2420 packet_size += klv_fill_size(packet_size);
2422 klv_encode_ber4_length(pb, pkt->size);
2423 avio_write(pb, pkt->data, pkt->size);
2425 // ensure CBR muxing by padding to correct video frame size
2426 pad = packet_size - pkt->size - 16 - 4;
2428 avio_write(s->pb, klv_fill_key, 16);
2430 klv_encode_ber4_length(s->pb, pad);
2431 ffio_fill(s->pb, 0, pad);
2432 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
2434 av_log(s, AV_LOG_WARNING, "cannot fill d-10 video packet\n");
2435 ffio_fill(s->pb, 0, pad);
2439 static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2441 MXFContext *mxf = s->priv_data;
2442 AVIOContext *pb = s->pb;
2443 int frame_size = pkt->size / st->codecpar->block_align;
2444 uint8_t *samples = pkt->data;
2445 uint8_t *end = pkt->data + pkt->size;
2448 klv_encode_ber4_length(pb, 4 + frame_size*4*8);
2450 avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
2451 avio_wl16(pb, frame_size);
2452 avio_w8(pb, (1<<st->codecpar->channels)-1);
2454 while (samples < end) {
2455 for (i = 0; i < st->codecpar->channels; i++) {
2457 if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
2458 sample = AV_RL24(samples)<< 4;
2461 sample = AV_RL16(samples)<<12;
2464 avio_wl32(pb, sample | i);
2471 static int mxf_write_opatom_body_partition(AVFormatContext *s)
2473 MXFContext *mxf = s->priv_data;
2474 AVIOContext *pb = s->pb;
2475 AVStream *st = s->streams[0];
2476 MXFStreamContext *sc = st->priv_data;
2477 const uint8_t *key = NULL;
2481 if (!mxf->header_written)
2482 key = body_partition_key;
2484 if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0)
2486 mxf_write_klv_fill(s);
2487 avio_write(pb, sc->track_essence_element_key, 16);
2488 klv_encode_ber9_length(pb, mxf->body_offset);
2492 static int mxf_write_opatom_packet(AVFormatContext *s, AVPacket *pkt, MXFIndexEntry *ie)
2494 MXFContext *mxf = s->priv_data;
2495 AVIOContext *pb = s->pb;
2499 if (!mxf->header_written) {
2500 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2502 mxf_write_klv_fill(s);
2504 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2506 mxf->header_written = 1;
2509 if (!mxf->edit_unit_byte_count) {
2510 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2511 mxf->index_entries[mxf->edit_units_count].flags = ie->flags;
2512 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie->temporal_ref;
2514 mxf->edit_units_count++;
2515 avio_write(pb, pkt->data, pkt->size);
2516 mxf->body_offset += pkt->size;
2522 static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
2524 MXFContext *mxf = s->priv_data;
2525 AVIOContext *pb = s->pb;
2526 AVStream *st = s->streams[pkt->stream_index];
2527 MXFStreamContext *sc = st->priv_data;
2528 MXFIndexEntry ie = {0};
2531 if (!mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) {
2532 if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
2533 + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
2534 mxf->edit_units_count = 0;
2535 av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
2540 if (st->codecpar->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2541 if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
2542 av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
2545 } else if (st->codecpar->codec_id == AV_CODEC_ID_DNXHD) {
2546 if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
2547 av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
2550 } else if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) {
2551 if (!mxf_parse_dv_frame(s, st, pkt)) {
2552 av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
2555 } else if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
2556 if (!mxf_parse_h264_frame(s, st, pkt, &ie)) {
2557 av_log(s, AV_LOG_ERROR, "could not get h264 profile\n");
2562 if (s->oformat == &ff_mxf_opatom_muxer)
2563 return mxf_write_opatom_packet(s, pkt, &ie);
2565 if (!mxf->header_written) {
2566 if (mxf->edit_unit_byte_count) {
2567 if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
2569 mxf_write_klv_fill(s);
2570 mxf_write_index_table_segment(s);
2572 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2575 mxf->header_written = 1;
2578 if (st->index == 0) {
2579 if (!mxf->edit_unit_byte_count &&
2580 (!mxf->edit_units_count || mxf->edit_units_count > EDIT_UNITS_PER_BODY) &&
2581 !(ie.flags & 0x33)) { // I-frame, GOP start
2582 mxf_write_klv_fill(s);
2583 if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
2585 mxf_write_klv_fill(s);
2586 mxf_write_index_table_segment(s);
2589 mxf_write_klv_fill(s);
2590 mxf_write_system_item(s);
2592 if (!mxf->edit_unit_byte_count) {
2593 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2594 mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
2595 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie.temporal_ref;
2596 mxf->body_offset += KAG_SIZE; // size of system element
2598 mxf->edit_units_count++;
2599 } else if (!mxf->edit_unit_byte_count && st->index == 1) {
2600 if (!mxf->edit_units_count) {
2601 av_log(s, AV_LOG_ERROR, "No packets in first stream\n");
2602 return AVERROR_PATCHWELCOME;
2604 mxf->index_entries[mxf->edit_units_count-1].slice_offset =
2605 mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
2608 mxf_write_klv_fill(s);
2609 avio_write(pb, sc->track_essence_element_key, 16); // write key
2610 if (s->oformat == &ff_mxf_d10_muxer) {
2611 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
2612 mxf_write_d10_video_packet(s, st, pkt);
2614 mxf_write_d10_audio_packet(s, st, pkt);
2616 klv_encode_ber4_length(pb, pkt->size); // write length
2617 avio_write(pb, pkt->data, pkt->size);
2618 mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
2626 static void mxf_write_random_index_pack(AVFormatContext *s)
2628 MXFContext *mxf = s->priv_data;
2629 AVIOContext *pb = s->pb;
2630 uint64_t pos = avio_tell(pb);
2633 avio_write(pb, random_index_pack_key, 16);
2634 klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
2636 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer)
2637 avio_wb32(pb, 1); // BodySID of header partition
2640 avio_wb64(pb, 0); // offset of header partition
2642 for (i = 0; i < mxf->body_partitions_count; i++) {
2643 avio_wb32(pb, 1); // BodySID
2644 avio_wb64(pb, mxf->body_partition_offset[i]);
2647 avio_wb32(pb, 0); // BodySID of footer partition
2648 avio_wb64(pb, mxf->footer_partition_offset);
2650 avio_wb32(pb, avio_tell(pb) - pos + 4);
2653 static int mxf_write_footer(AVFormatContext *s)
2655 MXFContext *mxf = s->priv_data;
2656 AVIOContext *pb = s->pb;
2659 if (!mxf->header_written ||
2660 (s->oformat == &ff_mxf_opatom_muxer && !mxf->body_partition_offset)) {
2661 /* reason could be invalid options/not supported codec/out of memory */
2662 err = AVERROR_UNKNOWN;
2666 mxf->duration = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2668 mxf_write_klv_fill(s);
2669 mxf->footer_partition_offset = avio_tell(pb);
2670 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { // no need to repeat index
2671 if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
2674 if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
2676 mxf_write_klv_fill(s);
2677 mxf_write_index_table_segment(s);
2680 mxf_write_klv_fill(s);
2681 mxf_write_random_index_pack(s);
2683 if (s->pb->seekable & AVIO_SEEKABLE_NORMAL) {
2684 if (s->oformat == &ff_mxf_opatom_muxer) {
2685 /* rewrite body partition to update lengths */
2686 avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET);
2687 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2691 avio_seek(pb, 0, SEEK_SET);
2692 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) {
2693 if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
2695 mxf_write_klv_fill(s);
2696 mxf_write_index_table_segment(s);
2698 if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
2704 ff_audio_interleave_close(s);
2706 av_freep(&mxf->index_entries);
2707 av_freep(&mxf->body_partition_offset);
2708 av_freep(&mxf->timecode_track->priv_data);
2709 av_freep(&mxf->timecode_track);
2713 return err < 0 ? err : 0;
2716 static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
2718 int i, stream_count = 0;
2720 for (i = 0; i < s->nb_streams; i++)
2721 stream_count += !!s->streams[i]->last_in_packet_buffer;
2723 if (stream_count && (s->nb_streams == stream_count || flush)) {
2724 AVPacketList *pktl = s->internal->packet_buffer;
2725 if (s->nb_streams != stream_count) {
2726 AVPacketList *last = NULL;
2727 // find last packet in edit unit
2729 if (!stream_count || pktl->pkt.stream_index == 0)
2735 // purge packet queue
2737 AVPacketList *next = pktl->next;
2739 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2740 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
2741 av_packet_unref(&pktl->pkt);
2748 s->internal->packet_buffer = NULL;
2749 s->internal->packet_buffer_end= NULL;
2752 pktl = s->internal->packet_buffer;
2756 av_log(s, AV_LOG_TRACE, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts);
2757 s->internal->packet_buffer = pktl->next;
2758 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2759 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
2760 if(!s->internal->packet_buffer)
2761 s->internal->packet_buffer_end= NULL;
2766 av_init_packet(out);
2771 static int mxf_compare_timestamps(AVFormatContext *s, AVPacket *next, AVPacket *pkt)
2773 MXFStreamContext *sc = s->streams[pkt ->stream_index]->priv_data;
2774 MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
2776 return next->dts > pkt->dts ||
2777 (next->dts == pkt->dts && sc->order < sc2->order);
2780 static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
2782 return ff_audio_rechunk_interleave(s, out, pkt, flush,
2783 mxf_interleave_get_packet, mxf_compare_timestamps);
2786 #define MXF_COMMON_OPTIONS \
2787 { "signal_standard", "Force/set Sigal Standard",\
2788 offsetof(MXFContext, signal_standard), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2789 { "bt601", "ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)",\
2790 0, AV_OPT_TYPE_CONST, {.i64 = 1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2791 { "bt1358", "ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)",\
2792 0, AV_OPT_TYPE_CONST, {.i64 = 2}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2793 { "smpte347m", "SMPTE 347M (540 Mbps mappings)",\
2794 0, AV_OPT_TYPE_CONST, {.i64 = 3}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2795 { "smpte274m", "SMPTE 274M (1125 line)",\
2796 0, AV_OPT_TYPE_CONST, {.i64 = 4}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2797 { "smpte296m", "SMPTE 296M (750 line progressive)",\
2798 0, AV_OPT_TYPE_CONST, {.i64 = 5}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2799 { "smpte349m", "SMPTE 349M (1485 Mbps mappings)",\
2800 0, AV_OPT_TYPE_CONST, {.i64 = 6}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2801 { "smpte428", "SMPTE 428-1 DCDM",\
2802 0, AV_OPT_TYPE_CONST, {.i64 = 7}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},
2806 static const AVOption mxf_options[] = {
2808 { "store_user_comments", "",
2809 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
2813 static const AVClass mxf_muxer_class = {
2814 .class_name = "MXF muxer",
2815 .item_name = av_default_item_name,
2816 .option = mxf_options,
2817 .version = LIBAVUTIL_VERSION_INT,
2820 static const AVOption d10_options[] = {
2821 { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
2822 offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
2824 { "store_user_comments", "",
2825 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
2829 static const AVClass mxf_d10_muxer_class = {
2830 .class_name = "MXF-D10 muxer",
2831 .item_name = av_default_item_name,
2832 .option = d10_options,
2833 .version = LIBAVUTIL_VERSION_INT,
2836 static const AVOption opatom_options[] = {
2837 { "mxf_audio_edit_rate", "Audio edit rate for timecode",
2838 offsetof(MXFContext, audio_edit_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
2843 static const AVClass mxf_opatom_muxer_class = {
2844 .class_name = "MXF-OPAtom muxer",
2845 .item_name = av_default_item_name,
2846 .option = opatom_options,
2847 .version = LIBAVUTIL_VERSION_INT,
2850 AVOutputFormat ff_mxf_muxer = {
2852 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
2853 .mime_type = "application/mxf",
2854 .extensions = "mxf",
2855 .priv_data_size = sizeof(MXFContext),
2856 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2857 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2858 .write_header = mxf_write_header,
2859 .write_packet = mxf_write_packet,
2860 .write_trailer = mxf_write_footer,
2861 .flags = AVFMT_NOTIMESTAMPS,
2862 .interleave_packet = mxf_interleave,
2863 .priv_class = &mxf_muxer_class,
2866 AVOutputFormat ff_mxf_d10_muxer = {
2868 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
2869 .mime_type = "application/mxf",
2870 .priv_data_size = sizeof(MXFContext),
2871 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2872 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2873 .write_header = mxf_write_header,
2874 .write_packet = mxf_write_packet,
2875 .write_trailer = mxf_write_footer,
2876 .flags = AVFMT_NOTIMESTAMPS,
2877 .interleave_packet = mxf_interleave,
2878 .priv_class = &mxf_d10_muxer_class,
2881 AVOutputFormat ff_mxf_opatom_muxer = {
2882 .name = "mxf_opatom",
2883 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"),
2884 .mime_type = "application/mxf",
2885 .extensions = "mxf",
2886 .priv_data_size = sizeof(MXFContext),
2887 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2888 .video_codec = AV_CODEC_ID_DNXHD,
2889 .write_header = mxf_write_header,
2890 .write_packet = mxf_write_packet,
2891 .write_trailer = mxf_write_footer,
2892 .flags = AVFMT_NOTIMESTAMPS,
2893 .interleave_packet = mxf_interleave,
2894 .priv_class = &mxf_opatom_muxer_class,