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 v_chroma_sub_sample;
92 int temporal_reordering;
93 AVRational aspect_ratio; ///< display aspect ratio
94 int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
98 typedef struct MXFContainerEssenceEntry {
102 void (*write_desc)(AVFormatContext *, AVStream *);
103 } MXFContainerEssenceEntry;
105 typedef struct MXFPackage {
107 enum MXFMetadataSetType type;
109 struct MXFPackage *ref;
116 INDEX_D10_625_50_50_VIDEO,
117 INDEX_D10_625_50_50_AUDIO,
118 INDEX_D10_525_60_50_VIDEO,
119 INDEX_D10_525_60_50_AUDIO,
120 INDEX_D10_625_50_40_VIDEO,
121 INDEX_D10_625_50_40_AUDIO,
122 INDEX_D10_525_60_40_VIDEO,
123 INDEX_D10_525_60_40_AUDIO,
124 INDEX_D10_625_50_30_VIDEO,
125 INDEX_D10_625_50_30_AUDIO,
126 INDEX_D10_525_60_30_VIDEO,
127 INDEX_D10_525_60_30_AUDIO,
131 INDEX_DV25_525_60_IEC,
132 INDEX_DV25_625_50_IEC,
139 INDEX_DNXHD_1080p_10bit_HIGH,
140 INDEX_DNXHD_1080p_8bit_MEDIUM,
141 INDEX_DNXHD_1080p_8bit_HIGH,
142 INDEX_DNXHD_1080i_10bit_HIGH,
143 INDEX_DNXHD_1080i_8bit_MEDIUM,
144 INDEX_DNXHD_1080i_8bit_HIGH,
145 INDEX_DNXHD_720p_10bit,
146 INDEX_DNXHD_720p_8bit_HIGH,
147 INDEX_DNXHD_720p_8bit_MEDIUM,
148 INDEX_DNXHD_720p_8bit_LOW,
153 static const struct {
156 } mxf_essence_mappings[] = {
157 { AV_CODEC_ID_MPEG2VIDEO, INDEX_MPEG2 },
158 { AV_CODEC_ID_PCM_S24LE, INDEX_AES3 },
159 { AV_CODEC_ID_PCM_S16LE, INDEX_AES3 },
160 { AV_CODEC_ID_DVVIDEO, INDEX_DV },
161 { AV_CODEC_ID_DNXHD, INDEX_DNXHD_1080p_10bit_HIGH },
162 { AV_CODEC_ID_JPEG2000, INDEX_JPEG2000 },
163 { AV_CODEC_ID_H264, INDEX_H264 },
167 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
168 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
169 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st);
170 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
171 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st);
173 static const MXFContainerEssenceEntry mxf_essence_container_uls[] = {
174 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
175 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
176 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
177 mxf_write_mpegvideo_desc },
178 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
179 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
180 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
181 mxf_write_aes3_desc },
182 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
183 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
184 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
185 mxf_write_wav_desc },
186 // D-10 625/50 PAL 50mb/s
187 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
188 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
189 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
190 mxf_write_cdci_desc },
191 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
192 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
193 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
194 mxf_write_generic_sound_desc },
195 // D-10 525/60 NTSC 50mb/s
196 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
197 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
198 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 },
199 mxf_write_cdci_desc },
200 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
201 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
202 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
203 mxf_write_generic_sound_desc },
204 // D-10 625/50 PAL 40mb/s
205 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
206 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
207 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 },
208 mxf_write_cdci_desc },
209 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
210 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
211 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
212 mxf_write_generic_sound_desc },
213 // D-10 525/60 NTSC 40mb/s
214 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
215 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
216 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 },
217 mxf_write_cdci_desc },
218 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
219 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
220 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
221 mxf_write_generic_sound_desc },
222 // D-10 625/50 PAL 30mb/s
223 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
224 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
225 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 },
226 mxf_write_cdci_desc },
227 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
228 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
229 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
230 mxf_write_generic_sound_desc },
231 // D-10 525/60 NTSC 30mb/s
232 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
233 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
234 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 },
235 mxf_write_cdci_desc },
236 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
237 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
238 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
239 mxf_write_generic_sound_desc },
241 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
242 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
243 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
244 mxf_write_cdci_desc },
247 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 },
248 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
249 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
250 mxf_write_cdci_desc },
252 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 },
253 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
254 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 },
255 mxf_write_cdci_desc },
258 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x01,0x01 },
259 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
260 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
261 mxf_write_cdci_desc },
263 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x02,0x01 },
264 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
265 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x02,0x00 },
266 mxf_write_cdci_desc },
269 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 },
270 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
271 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 },
272 mxf_write_cdci_desc },
274 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 },
275 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
276 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 },
277 mxf_write_cdci_desc },
279 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 },
280 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
281 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 },
282 mxf_write_cdci_desc },
284 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 },
285 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
286 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 },
287 mxf_write_cdci_desc },
289 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 },
290 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
291 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 },
292 mxf_write_cdci_desc },
294 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 },
295 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
296 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 },
297 mxf_write_cdci_desc },
298 // DNxHD 1080p 10bit high
299 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
300 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
301 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
302 mxf_write_cdci_desc },
303 // DNxHD 1080p 8bit medium
304 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
305 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
306 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 },
307 mxf_write_cdci_desc },
308 // DNxHD 1080p 8bit high
309 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
310 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
311 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 },
312 mxf_write_cdci_desc },
313 // DNxHD 1080i 10bit high
314 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
315 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
316 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 },
317 mxf_write_cdci_desc },
318 // DNxHD 1080i 8bit medium
319 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
320 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
321 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 },
322 mxf_write_cdci_desc },
323 // DNxHD 1080i 8bit high
324 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
325 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
326 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 },
327 mxf_write_cdci_desc },
329 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
330 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
331 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 },
332 mxf_write_cdci_desc },
333 // DNxHD 720p 8bit high
334 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
335 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
336 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 },
337 mxf_write_cdci_desc },
338 // DNxHD 720p 8bit medium
339 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
340 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
341 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 },
342 mxf_write_cdci_desc },
343 // DNxHD 720p 8bit low
344 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
345 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
346 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 },
347 mxf_write_cdci_desc },
349 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
350 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
351 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 },
352 mxf_write_cdci_desc },
354 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 },
355 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
356 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
357 mxf_write_mpegvideo_desc },
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 },
360 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
364 typedef struct MXFContext {
366 int64_t footer_partition_offset;
367 int essence_container_count;
368 AVRational time_base;
370 MXFIndexEntry *index_entries;
371 unsigned edit_units_count;
372 uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
373 uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
374 int last_indexed_edit_unit;
375 uint64_t *body_partition_offset;
376 unsigned body_partitions_count;
377 int last_key_index; ///< index of last key frame
379 AVTimecode tc; ///< timecode context
380 AVStream *timecode_track;
381 int timecode_base; ///< rounded time code base (25 or 30)
382 int edit_unit_byte_count; ///< fixed edit unit byte count
383 uint64_t body_offset;
384 uint32_t instance_number;
385 uint8_t umid[16]; ///< unique material identifier
388 uint32_t tagged_value_count;
389 AVRational audio_edit_rate;
390 int store_user_comments;
391 int track_instance_count; // used to generate MXFTrack uuids
394 static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
395 static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
398 * complete key for operation pattern, partitions, and primer pack
400 static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
401 static const uint8_t opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 };
402 static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
403 static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
404 static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
405 static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
406 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
407 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
408 static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
409 static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
412 * partial key for header metadata
414 static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
415 static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
418 * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
419 * https://smpte-ra.org/sites/default/files/Labels.xml
421 static const MXFLocalTagPair mxf_local_tag_batch[] = {
423 { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
424 { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
425 { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
426 { 0x3B07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x04,0x00,0x00,0x00}}, /* Object Model Version */
427 { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
428 { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
429 { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
430 { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
431 { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
433 { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
434 { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
435 { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
436 { 0x3C03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x04,0x00,0x00,0x00}}, /* Product Version */
437 { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
438 { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
439 { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
440 { 0x3C07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x0A,0x00,0x00,0x00}}, /* Toolkit Version */
441 { 0x3C08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x06,0x01,0x00,0x00}}, /* Platform */
443 { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
444 { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
445 // Essence Container Data
446 { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
447 { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
449 { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
450 { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
451 { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
452 { 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */
453 { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
454 { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
456 { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
457 { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
458 { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
459 { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
460 { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
462 { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
463 { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
464 { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
466 { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
467 { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
468 { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
469 // Timecode Component
470 { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
471 { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
472 { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
474 { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
475 { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
476 { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
477 { 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */
478 { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
479 // Generic Picture Essence Descriptor
480 { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
481 { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
482 { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
483 { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
484 { 0x3216, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x03,0x02,0x08,0x00,0x00,0x00}}, /* Stored F2 Offset */
485 { 0x3205, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x08,0x00,0x00,0x00}}, /* Sampled Width */
486 { 0x3204, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x07,0x00,0x00,0x00}}, /* Sampled Height */
487 { 0x3206, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x09,0x00,0x00,0x00}}, /* Sampled X Offset */
488 { 0x3207, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0A,0x00,0x00,0x00}}, /* Sampled Y Offset */
489 { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
490 { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
491 { 0x320A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0D,0x00,0x00,0x00}}, /* Display X offset */
492 { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */
493 { 0x3217, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x03,0x02,0x07,0x00,0x00,0x00}}, /* Display F2 offset */
494 { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
495 { 0x3210, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x02,0x01,0x01,0x01,0x02,0x00}}, /* Transfer characteristic */
496 { 0x3213, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x02,0x00,0x00,0x00,0x00}}, /* Image Start Offset */
497 { 0x3214, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Image End Offset */
498 { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
499 { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
500 { 0x3215, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x05,0x01,0x13,0x00,0x00,0x00,0x00}}, /* Signal Standard */
501 // CDCI Picture Essence Descriptor
502 { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
503 { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
504 { 0x3308, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x01,0x10,0x00,0x00,0x00}}, /* Vertical Subsampling */
505 { 0x3303, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x06,0x00,0x00,0x00}}, /* Color Siting */
506 { 0x3307, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x04,0x00,0x00,0x00,0x00}}, /* Padding Bits */
507 { 0x3304, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x03,0x03,0x00,0x00,0x00}}, /* Black Ref level */
508 { 0x3305, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x03,0x04,0x00,0x00,0x00}}, /* White Ref level */
509 { 0x3306, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x05,0x00,0x00,0x00}}, /* Color Range */
510 // Generic Sound Essence Descriptor
511 { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
512 { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
513 { 0x3D04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x02,0x01,0x01,0x03,0x00,0x00,0x00}}, /* Audio Ref Level */
514 { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
515 { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
516 { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
517 // Index Table Segment
518 { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
519 { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
520 { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
521 { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
522 { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
523 { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
524 { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
525 { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
526 // MPEG video Descriptor
527 { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
528 { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
529 // Wave Audio Essence Descriptor
530 { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
531 { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
534 static const MXFLocalTagPair mxf_user_comments_local_tag[] = {
535 { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */
536 { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */
537 { 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */
540 static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
542 avio_write(pb, uuid_base, 12);
544 avio_wb16(pb, value);
547 static void mxf_write_umid(AVFormatContext *s, int type)
549 MXFContext *mxf = s->priv_data;
550 avio_write(s->pb, umid_ul, 13);
551 avio_wb24(s->pb, mxf->instance_number);
552 avio_write(s->pb, mxf->umid, 15);
553 avio_w8(s->pb, type);
556 static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
558 avio_wb32(pb, ref_count);
562 static int klv_ber_length(uint64_t len)
567 return (av_log2(len) >> 3) + 2;
570 static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
572 // Determine the best BER size
580 size = (av_log2(len) >> 3) + 1;
583 avio_w8(pb, 0x80 + size);
586 avio_w8(pb, len >> 8 * size & 0xff);
591 static void klv_encode_ber4_length(AVIOContext *pb, int len)
593 avio_w8(pb, 0x80 + 3);
597 static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
599 avio_w8(pb, 0x80 + 8);
604 * Get essence container ul index
606 static int mxf_get_essence_container_ul_index(enum AVCodecID id)
609 for (i = 0; mxf_essence_mappings[i].id; i++)
610 if (mxf_essence_mappings[i].id == id)
611 return mxf_essence_mappings[i].index;
615 static void mxf_write_primer_pack(AVFormatContext *s)
617 MXFContext *mxf = s->priv_data;
618 AVIOContext *pb = s->pb;
619 int local_tag_number, i = 0;
621 local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch);
622 local_tag_number += mxf->store_user_comments * FF_ARRAY_ELEMS(mxf_user_comments_local_tag);
624 avio_write(pb, primer_pack_key, 16);
625 klv_encode_ber_length(pb, local_tag_number * 18 + 8);
627 avio_wb32(pb, local_tag_number); // local_tag num
628 avio_wb32(pb, 18); // item size, always 18 according to the specs
630 for (i = 0; i < FF_ARRAY_ELEMS(mxf_local_tag_batch); i++) {
631 avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
632 avio_write(pb, mxf_local_tag_batch[i].uid, 16);
634 if (mxf->store_user_comments)
635 for (i = 0; i < FF_ARRAY_ELEMS(mxf_user_comments_local_tag); i++) {
636 avio_wb16(pb, mxf_user_comments_local_tag[i].local_tag);
637 avio_write(pb, mxf_user_comments_local_tag[i].uid, 16);
641 static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
647 static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
649 avio_write(pb, header_metadata_key, 13);
650 avio_wb24(pb, value);
653 static void mxf_free(AVFormatContext *s)
657 for (i = 0; i < s->nb_streams; i++) {
658 AVStream *st = s->streams[i];
659 av_freep(&st->priv_data);
663 static const MXFCodecUL *mxf_get_data_definition_ul(int type)
665 const MXFCodecUL *uls = ff_mxf_data_definition_uls;
666 while (uls->uid[0]) {
674 //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
675 #define DESCRIPTOR_COUNT(essence_container_count) \
676 (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
678 static void mxf_write_essence_container_refs(AVFormatContext *s)
680 MXFContext *c = s->priv_data;
681 AVIOContext *pb = s->pb;
684 mxf_write_refs_count(pb, DESCRIPTOR_COUNT(c->essence_container_count));
685 av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
686 for (i = 0; i < c->essence_container_count; i++) {
687 MXFStreamContext *sc = s->streams[i]->priv_data;
688 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
691 if (c->essence_container_count > 1)
692 avio_write(pb, multiple_desc_ul, 16);
695 static void mxf_write_preface(AVFormatContext *s)
697 MXFContext *mxf = s->priv_data;
698 AVIOContext *pb = s->pb;
700 mxf_write_metadata_key(pb, 0x012f00);
701 PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
702 klv_encode_ber_length(pb, 138 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
704 // write preface set uid
705 mxf_write_local_tag(pb, 16, 0x3C0A);
706 mxf_write_uuid(pb, Preface, 0);
707 PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
709 // last modified date
710 mxf_write_local_tag(pb, 8, 0x3B02);
711 avio_wb64(pb, mxf->timestamp);
714 mxf_write_local_tag(pb, 2, 0x3B05);
715 avio_wb16(pb, 259); // v1.3
717 // Object Model Version
718 mxf_write_local_tag(pb, 4, 0x3B07);
721 // write identification_refs
722 mxf_write_local_tag(pb, 16 + 8, 0x3B06);
723 mxf_write_refs_count(pb, 1);
724 mxf_write_uuid(pb, Identification, 0);
726 // write content_storage_refs
727 mxf_write_local_tag(pb, 16, 0x3B03);
728 mxf_write_uuid(pb, ContentStorage, 0);
730 // operational pattern
731 mxf_write_local_tag(pb, 16, 0x3B09);
732 if (s->oformat == &ff_mxf_opatom_muxer)
733 avio_write(pb, opatom_ul, 16);
735 avio_write(pb, op1a_ul, 16);
737 // write essence_container_refs
738 mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A);
739 mxf_write_essence_container_refs(s);
741 // write dm_scheme_refs
742 mxf_write_local_tag(pb, 8, 0x3B0B);
747 * Returns the length of the UTF-16 string, in 16-bit characters, that would result
748 * from decoding the utf-8 string.
750 static uint64_t mxf_utf16len(const char *utf8_str)
752 const uint8_t *q = utf8_str;
756 GET_UTF8(ch, *q++, goto invalid;)
763 av_log(NULL, AV_LOG_ERROR, "Invalid UTF8 sequence in mxf_utf16len\n\n");
770 * Returns the calculated length a local tag containing an utf-8 string as utf-16
772 static int mxf_utf16_local_tag_length(const char *utf8_str)
779 size = mxf_utf16len(utf8_str);
780 if (size >= UINT16_MAX/2) {
781 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
789 * Write a local tag containing an utf-8 string as utf-16
791 static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
793 uint64_t size = mxf_utf16len(value);
795 if (size >= UINT16_MAX/2) {
796 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
800 mxf_write_local_tag(pb, size*2, tag);
801 avio_put_str16be(pb, value);
804 static void store_version(AVFormatContext *s){
805 AVIOContext *pb = s->pb;
807 if (s->flags & AVFMT_FLAG_BITEXACT) {
808 avio_wb16(pb, 0); // major
809 avio_wb16(pb, 0); // minor
810 avio_wb16(pb, 0); // tertiary
812 avio_wb16(pb, LIBAVFORMAT_VERSION_MAJOR); // major
813 avio_wb16(pb, LIBAVFORMAT_VERSION_MINOR); // minor
814 avio_wb16(pb, LIBAVFORMAT_VERSION_MICRO); // tertiary
816 avio_wb16(pb, 0); // patch
817 avio_wb16(pb, 0); // release
820 static void mxf_write_identification(AVFormatContext *s)
822 MXFContext *mxf = s->priv_data;
823 AVIOContext *pb = s->pb;
824 const char *company = "FFmpeg";
825 const char *product = s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer";
829 mxf_write_metadata_key(pb, 0x013000);
830 PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
832 version = s->flags & AVFMT_FLAG_BITEXACT ?
833 "0.0.0" : AV_STRINGIFY(LIBAVFORMAT_VERSION);
834 length = 100 +mxf_utf16_local_tag_length(company) +
835 mxf_utf16_local_tag_length(product) +
836 mxf_utf16_local_tag_length(version);
837 klv_encode_ber_length(pb, length);
840 mxf_write_local_tag(pb, 16, 0x3C0A);
841 mxf_write_uuid(pb, Identification, 0);
842 PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
844 // write generation uid
845 mxf_write_local_tag(pb, 16, 0x3C09);
846 mxf_write_uuid(pb, Identification, 1);
847 mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
848 mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
850 mxf_write_local_tag(pb, 10, 0x3C03); // Product Version
853 mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
856 mxf_write_local_tag(pb, 16, 0x3C05);
857 mxf_write_uuid(pb, Identification, 2);
860 mxf_write_local_tag(pb, 8, 0x3C06);
861 avio_wb64(pb, mxf->timestamp);
863 mxf_write_local_tag(pb, 10, 0x3C07); // Toolkit Version
867 static void mxf_write_content_storage(AVFormatContext *s, MXFPackage *packages, int package_count)
869 AVIOContext *pb = s->pb;
872 mxf_write_metadata_key(pb, 0x011800);
873 PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
874 klv_encode_ber_length(pb, 60 + (16 * package_count));
877 mxf_write_local_tag(pb, 16, 0x3C0A);
878 mxf_write_uuid(pb, ContentStorage, 0);
879 PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
881 // write package reference
882 mxf_write_local_tag(pb, 16 * package_count + 8, 0x1901);
883 mxf_write_refs_count(pb, package_count);
884 for (i = 0; i < package_count; i++) {
885 mxf_write_uuid(pb, packages[i].type, packages[i].instance);
888 // write essence container data
889 mxf_write_local_tag(pb, 8 + 16, 0x1902);
890 mxf_write_refs_count(pb, 1);
891 mxf_write_uuid(pb, EssenceContainerData, 0);
894 static void mxf_write_track(AVFormatContext *s, AVStream *st, MXFPackage *package)
896 MXFContext *mxf = s->priv_data;
897 AVIOContext *pb = s->pb;
898 MXFStreamContext *sc = st->priv_data;
900 mxf_write_metadata_key(pb, 0x013b00);
901 PRINT_KEY(s, "track key", pb->buf_ptr - 16);
902 klv_encode_ber_length(pb, 80);
905 mxf_write_local_tag(pb, 16, 0x3C0A);
906 mxf_write_uuid(pb, Track, mxf->track_instance_count);
907 PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
910 mxf_write_local_tag(pb, 4, 0x4801);
911 avio_wb32(pb, st->index+2);
913 // write track number
914 mxf_write_local_tag(pb, 4, 0x4804);
915 if (package->type == MaterialPackage)
916 avio_wb32(pb, 0); // track number of material package is 0
918 avio_write(pb, sc->track_essence_element_key + 12, 4);
921 mxf_write_local_tag(pb, 8, 0x4B01);
923 if (st == mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer) {
924 avio_wb32(pb, mxf->tc.rate.num);
925 avio_wb32(pb, mxf->tc.rate.den);
927 avio_wb32(pb, mxf->time_base.den);
928 avio_wb32(pb, mxf->time_base.num);
932 mxf_write_local_tag(pb, 8, 0x4B02);
935 // write sequence refs
936 mxf_write_local_tag(pb, 16, 0x4803);
937 mxf_write_uuid(pb, Sequence, mxf->track_instance_count);
940 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 };
942 static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
944 MXFContext *mxf = s->priv_data;
945 AVIOContext *pb = s->pb;
947 // find data define uls
948 mxf_write_local_tag(pb, 16, 0x0201);
949 if (st == mxf->timecode_track)
950 avio_write(pb, smpte_12m_timecode_track_data_ul, 16);
952 const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codecpar->codec_type);
953 avio_write(pb, data_def_ul->uid, 16);
957 mxf_write_local_tag(pb, 8, 0x0202);
959 if (st != mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer && st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
960 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
962 avio_wb64(pb, mxf->duration);
966 static void mxf_write_sequence(AVFormatContext *s, AVStream *st, MXFPackage *package)
968 MXFContext *mxf = s->priv_data;
969 AVIOContext *pb = s->pb;
970 enum MXFMetadataSetType component;
972 mxf_write_metadata_key(pb, 0x010f00);
973 PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
974 klv_encode_ber_length(pb, 80);
976 mxf_write_local_tag(pb, 16, 0x3C0A);
977 mxf_write_uuid(pb, Sequence, mxf->track_instance_count);
979 PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
980 mxf_write_common_fields(s, st);
982 // write structural component
983 mxf_write_local_tag(pb, 16 + 8, 0x1001);
984 mxf_write_refs_count(pb, 1);
985 if (st == mxf->timecode_track)
986 component = TimecodeComponent;
988 component = SourceClip;
990 mxf_write_uuid(pb, component, mxf->track_instance_count);
993 static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, MXFPackage *package)
995 MXFContext *mxf = s->priv_data;
996 AVIOContext *pb = s->pb;
998 mxf_write_metadata_key(pb, 0x011400);
999 klv_encode_ber_length(pb, 75);
1002 mxf_write_local_tag(pb, 16, 0x3C0A);
1003 mxf_write_uuid(pb, TimecodeComponent, mxf->track_instance_count);
1005 mxf_write_common_fields(s, st);
1008 mxf_write_local_tag(pb, 8, 0x1501);
1009 avio_wb64(pb, mxf->tc.start);
1011 // Rounded Time Code Base
1012 mxf_write_local_tag(pb, 2, 0x1502);
1013 avio_wb16(pb, mxf->timecode_base);
1016 mxf_write_local_tag(pb, 1, 0x1503);
1017 avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
1020 static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, MXFPackage *package)
1022 MXFContext *mxf = s->priv_data;
1023 AVIOContext *pb = s->pb;
1026 mxf_write_metadata_key(pb, 0x011100);
1027 PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
1028 klv_encode_ber_length(pb, 108);
1031 mxf_write_local_tag(pb, 16, 0x3C0A);
1032 mxf_write_uuid(pb, SourceClip, mxf->track_instance_count);
1034 PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
1035 mxf_write_common_fields(s, st);
1037 // write start_position
1038 mxf_write_local_tag(pb, 8, 0x1201);
1041 // write source package uid, end of the reference
1042 mxf_write_local_tag(pb, 32, 0x1101);
1043 if (!package->ref) {
1044 for (i = 0; i < 4; i++)
1047 mxf_write_umid(s, package->ref->instance);
1049 // write source track id
1050 mxf_write_local_tag(pb, 4, 0x1102);
1051 if (package->type == SourcePackage && !package->ref)
1054 avio_wb32(pb, st->index+2);
1057 static void mxf_write_tape_descriptor(AVFormatContext *s)
1059 AVIOContext *pb = s->pb;
1061 mxf_write_metadata_key(pb, 0x012e00);
1062 PRINT_KEY(s, "tape descriptor key", pb->buf_ptr - 16);
1063 klv_encode_ber_length(pb, 20);
1064 mxf_write_local_tag(pb, 16, 0x3C0A);
1065 mxf_write_uuid(pb, TapeDescriptor, 0);
1066 PRINT_KEY(s, "tape_desc uid", pb->buf_ptr - 16);
1070 static void mxf_write_multi_descriptor(AVFormatContext *s)
1072 MXFContext *mxf = s->priv_data;
1073 AVIOContext *pb = s->pb;
1077 mxf_write_metadata_key(pb, 0x014400);
1078 PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
1079 klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
1081 mxf_write_local_tag(pb, 16, 0x3C0A);
1082 mxf_write_uuid(pb, MultipleDescriptor, 0);
1083 PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
1085 // write sample rate
1086 mxf_write_local_tag(pb, 8, 0x3001);
1087 avio_wb32(pb, mxf->time_base.den);
1088 avio_wb32(pb, mxf->time_base.num);
1090 // write essence container ul
1091 mxf_write_local_tag(pb, 16, 0x3004);
1092 if (mxf->essence_container_count > 1)
1093 ul = multiple_desc_ul;
1095 MXFStreamContext *sc = s->streams[0]->priv_data;
1096 ul = mxf_essence_container_uls[sc->index].container_ul;
1098 avio_write(pb, ul, 16);
1100 // write sub descriptor refs
1101 mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01);
1102 mxf_write_refs_count(pb, s->nb_streams);
1103 for (i = 0; i < s->nb_streams; i++)
1104 mxf_write_uuid(pb, SubDescriptor, i);
1107 static int64_t mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key)
1109 MXFContext *mxf = s->priv_data;
1110 MXFStreamContext *sc = st->priv_data;
1111 AVIOContext *pb = s->pb;
1114 avio_write(pb, key, 16);
1115 klv_encode_ber4_length(pb, 0);
1116 pos = avio_tell(pb);
1118 mxf_write_local_tag(pb, 16, 0x3C0A);
1119 mxf_write_uuid(pb, SubDescriptor, st->index);
1121 mxf_write_local_tag(pb, 4, 0x3006);
1122 avio_wb32(pb, st->index+2);
1124 mxf_write_local_tag(pb, 8, 0x3001);
1125 if (s->oformat == &ff_mxf_d10_muxer) {
1126 avio_wb32(pb, mxf->time_base.den);
1127 avio_wb32(pb, mxf->time_base.num);
1129 if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S16LE ||
1130 st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
1131 avio_wb32(pb, st->codecpar->sample_rate);
1134 avio_wb32(pb, mxf->time_base.den);
1135 avio_wb32(pb, mxf->time_base.num);
1139 mxf_write_local_tag(pb, 16, 0x3004);
1140 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
1145 static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
1146 static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
1147 static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
1148 static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
1149 static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
1151 static int get_trc(UID ul, enum AVColorTransferCharacteristic trc)
1154 case AVCOL_TRC_GAMMA28 :
1155 case AVCOL_TRC_GAMMA22 :
1156 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x01,0x00,0x00}), 16);
1158 case AVCOL_TRC_BT709 :
1159 case AVCOL_TRC_SMPTE170M :
1160 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x02,0x00,0x00}), 16);
1162 case AVCOL_TRC_SMPTE240M :
1163 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x03,0x00,0x00}), 16);
1165 case AVCOL_TRC_BT1361_ECG:
1166 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x06,0x04,0x01,0x01,0x01,0x01,0x05,0x00,0x00}), 16);
1168 case AVCOL_TRC_LINEAR :
1169 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x06,0x04,0x01,0x01,0x01,0x01,0x06,0x00,0x00}), 16);
1171 case AVCOL_TRC_SMPTE428 :
1172 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x08,0x04,0x01,0x01,0x01,0x01,0x07,0x00,0x00}), 16);
1179 static int64_t mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key)
1181 MXFStreamContext *sc = st->priv_data;
1182 AVIOContext *pb = s->pb;
1183 int stored_width = (st->codecpar->width +15)/16*16;
1184 int stored_height = (st->codecpar->height+15)/16*16;
1187 UID transfer_ul = {0};
1188 int64_t pos = mxf_write_generic_desc(s, st, key);
1190 get_trc(transfer_ul, st->codecpar->color_trc);
1192 mxf_write_local_tag(pb, 4, 0x3203);
1193 avio_wb32(pb, stored_width);
1195 mxf_write_local_tag(pb, 4, 0x3202);
1196 avio_wb32(pb, stored_height>>sc->interlaced);
1198 if (s->oformat == &ff_mxf_d10_muxer) {
1200 mxf_write_local_tag(pb, 4, 0x3216);
1203 //Image Start Offset
1204 mxf_write_local_tag(pb, 4, 0x3213);
1208 mxf_write_local_tag(pb, 4, 0x3214);
1213 mxf_write_local_tag(pb, 4, 0x3205);
1214 avio_wb32(pb, st->codecpar->width);
1217 mxf_write_local_tag(pb, 4, 0x3204);
1218 avio_wb32(pb, st->codecpar->height>>sc->interlaced);
1221 mxf_write_local_tag(pb, 4, 0x3206);
1225 mxf_write_local_tag(pb, 4, 0x3207);
1228 mxf_write_local_tag(pb, 4, 0x3209);
1229 avio_wb32(pb, st->codecpar->width);
1231 if (st->codecpar->height == 608) // PAL + VBI
1232 display_height = 576;
1233 else if (st->codecpar->height == 512) // NTSC + VBI
1234 display_height = 486;
1236 display_height = st->codecpar->height;
1238 mxf_write_local_tag(pb, 4, 0x3208);
1239 avio_wb32(pb, display_height>>sc->interlaced);
1242 mxf_write_local_tag(pb, 4, 0x320A);
1246 mxf_write_local_tag(pb, 4, 0x320B);
1247 avio_wb32(pb, (st->codecpar->height - display_height)>>sc->interlaced);
1249 if (sc->interlaced) {
1251 mxf_write_local_tag(pb, 4, 0x3217);
1252 avio_wb32(pb, -((st->codecpar->height - display_height)&1));
1256 mxf_write_local_tag(pb, 4, 0x3301);
1257 avio_wb32(pb, sc->component_depth);
1259 // horizontal subsampling
1260 mxf_write_local_tag(pb, 4, 0x3302);
1261 avio_wb32(pb, sc->h_chroma_sub_sample);
1263 // vertical subsampling
1264 if (sc->v_chroma_sub_sample) {
1265 mxf_write_local_tag(pb, 4, 0x3308);
1266 avio_wb32(pb, sc->v_chroma_sub_sample);
1270 mxf_write_local_tag(pb, 1, 0x3303);
1271 avio_w8(pb, sc->color_siting);
1274 mxf_write_local_tag(pb, 2, 0x3307);
1277 if (st->codecpar->color_range != AVCOL_RANGE_UNSPECIFIED) {
1279 white = (1<<sc->component_depth) - 1,
1280 color = (1<<sc->component_depth) - 1;
1281 if (st->codecpar->color_range == AVCOL_RANGE_MPEG) {
1282 black = 1 << (sc->component_depth - 4);
1283 white = 235 << (sc->component_depth - 8);
1284 color = (14 << (sc->component_depth - 4)) + 1;
1286 mxf_write_local_tag(pb, 4, 0x3304);
1287 avio_wb32(pb, black);
1288 mxf_write_local_tag(pb, 4, 0x3305);
1289 avio_wb32(pb, white);
1290 mxf_write_local_tag(pb, 4, 0x3306);
1291 avio_wb32(pb, color);
1294 if (sc->signal_standard) {
1295 mxf_write_local_tag(pb, 1, 0x3215);
1296 avio_w8(pb, sc->signal_standard);
1300 mxf_write_local_tag(pb, 1, 0x320C);
1301 avio_w8(pb, sc->interlaced);
1304 switch (st->codecpar->height) {
1305 case 576: f1 = 23; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break;
1306 case 608: f1 = 7; f2 = 320; break;
1307 case 480: f1 = 20; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
1308 case 512: f1 = 7; f2 = 270; break;
1309 case 720: f1 = 26; f2 = 0; break; // progressive
1310 case 1080: f1 = 21; f2 = 584; break;
1311 default: f1 = 0; f2 = 0; break;
1314 if (!sc->interlaced) {
1320 mxf_write_local_tag(pb, 16, 0x320D);
1326 mxf_write_local_tag(pb, 8, 0x320E);
1327 avio_wb32(pb, sc->aspect_ratio.num);
1328 avio_wb32(pb, sc->aspect_ratio.den);
1330 //Transfer characteristic
1331 if (transfer_ul[0]) {
1332 mxf_write_local_tag(pb, 16, 0x3210);
1333 avio_write(pb, transfer_ul, 16);
1336 mxf_write_local_tag(pb, 16, 0x3201);
1337 avio_write(pb, *sc->codec_ul, 16);
1339 if (sc->interlaced && sc->field_dominance) {
1340 mxf_write_local_tag(pb, 1, 0x3212);
1341 avio_w8(pb, sc->field_dominance);
1347 static void mxf_update_klv_size(AVIOContext *pb, int64_t pos)
1349 int64_t cur_pos = avio_tell(pb);
1350 int size = cur_pos - pos;
1351 avio_seek(pb, pos - 4, SEEK_SET);
1352 klv_encode_ber4_length(pb, size);
1353 avio_seek(pb, cur_pos, SEEK_SET);
1356 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
1358 int64_t pos = mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key);
1359 mxf_update_klv_size(s->pb, pos);
1362 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
1364 AVIOContext *pb = s->pb;
1365 MXFStreamContext *sc = st->priv_data;
1366 int profile_and_level = (st->codecpar->profile<<4) | st->codecpar->level;
1367 int64_t pos = mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key);
1369 if (st->codecpar->codec_id != AV_CODEC_ID_H264) {
1371 mxf_write_local_tag(pb, 4, 0x8000);
1372 avio_wb32(pb, sc->video_bit_rate);
1374 // profile and level
1375 mxf_write_local_tag(pb, 1, 0x8007);
1376 if (!st->codecpar->profile)
1377 profile_and_level |= 0x80; // escape bit
1378 avio_w8(pb, profile_and_level);
1381 mxf_update_klv_size(pb, pos);
1384 static int64_t mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key)
1386 AVIOContext *pb = s->pb;
1387 MXFContext *mxf = s->priv_data;
1388 int show_warnings = !mxf->footer_partition_offset;
1389 int64_t pos = mxf_write_generic_desc(s, st, key);
1391 if (s->oformat == &ff_mxf_opatom_muxer) {
1392 mxf_write_local_tag(pb, 8, 0x3002);
1393 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
1397 mxf_write_local_tag(pb, 1, 0x3D02);
1400 // write audio sampling rate
1401 mxf_write_local_tag(pb, 8, 0x3D03);
1402 avio_wb32(pb, st->codecpar->sample_rate);
1405 if (s->oformat == &ff_mxf_d10_muxer) {
1406 mxf_write_local_tag(pb, 1, 0x3D04);
1410 mxf_write_local_tag(pb, 4, 0x3D07);
1411 if (mxf->channel_count == -1) {
1412 if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codecpar->channels != 4) && (st->codecpar->channels != 8))
1413 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");
1414 avio_wb32(pb, st->codecpar->channels);
1415 } else if (s->oformat == &ff_mxf_d10_muxer) {
1416 if (show_warnings && (mxf->channel_count < st->codecpar->channels))
1417 av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1418 if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1419 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");
1420 avio_wb32(pb, mxf->channel_count);
1422 avio_wb32(pb, st->codecpar->channels);
1425 mxf_write_local_tag(pb, 4, 0x3D01);
1426 avio_wb32(pb, av_get_bits_per_sample(st->codecpar->codec_id));
1431 static int64_t mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key)
1433 AVIOContext *pb = s->pb;
1434 int64_t pos = mxf_write_generic_sound_common(s, st, key);
1436 mxf_write_local_tag(pb, 2, 0x3D0A);
1437 avio_wb16(pb, st->codecpar->block_align);
1439 // avg bytes per sec
1440 mxf_write_local_tag(pb, 4, 0x3D09);
1441 avio_wb32(pb, st->codecpar->block_align*st->codecpar->sample_rate);
1446 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
1448 int64_t pos = mxf_write_wav_common(s, st, mxf_wav_descriptor_key);
1449 mxf_update_klv_size(s->pb, pos);
1452 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
1454 int64_t pos = mxf_write_wav_common(s, st, mxf_aes3_descriptor_key);
1455 mxf_update_klv_size(s->pb, pos);
1458 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
1460 int64_t pos = mxf_write_generic_sound_common(s, st, mxf_generic_sound_descriptor_key);
1461 mxf_update_klv_size(s->pb, pos);
1464 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 };
1466 static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value)
1468 MXFContext *mxf = s->priv_data;
1469 AVIOContext *pb = s->pb;
1470 int name_size = mxf_utf16_local_tag_length(name);
1471 int indirect_value_size = 13 + mxf_utf16_local_tag_length(value);
1473 if (!name_size || indirect_value_size == 13)
1476 mxf_write_metadata_key(pb, 0x013f00);
1477 klv_encode_ber_length(pb, 24 + name_size + indirect_value_size);
1479 // write instance UID
1480 mxf_write_local_tag(pb, 16, 0x3C0A);
1481 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count);
1484 mxf_write_local_tag_utf16(pb, 0x5001, name); // Name
1486 // write indirect value
1487 mxf_write_local_tag(pb, indirect_value_size, 0x5003);
1488 avio_write(pb, mxf_indirect_value_utf16le, 17);
1489 avio_put_str16le(pb, value);
1491 mxf->tagged_value_count++;
1495 static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m)
1497 MXFContext *mxf = s->priv_data;
1498 AVDictionaryEntry *t = NULL;
1501 while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) {
1502 if (mxf->tagged_value_count >= UINT16_MAX) {
1503 av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n");
1507 if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0)
1513 static void mxf_write_package(AVFormatContext *s, MXFPackage *package)
1515 MXFContext *mxf = s->priv_data;
1516 AVIOContext *pb = s->pb;
1517 int i, track_count = s->nb_streams+1;
1518 int name_size = mxf_utf16_local_tag_length(package->name);
1519 int user_comment_count = 0;
1521 if (package->type == MaterialPackage) {
1522 if (mxf->store_user_comments)
1523 user_comment_count = mxf_write_user_comments(s, s->metadata);
1524 mxf_write_metadata_key(pb, 0x013600);
1525 PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1526 klv_encode_ber_length(pb, 92 + name_size + (16*track_count) + (16*user_comment_count) + 12LL*mxf->store_user_comments);
1528 mxf_write_metadata_key(pb, 0x013700);
1529 PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1530 klv_encode_ber_length(pb, 112 + name_size + (16*track_count) + 12LL*mxf->store_user_comments); // 20 bytes length for descriptor reference
1534 mxf_write_local_tag(pb, 16, 0x3C0A);
1535 mxf_write_uuid(pb, package->type, package->instance);
1536 av_log(s, AV_LOG_DEBUG, "package type:%d\n", package->type);
1537 PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1539 // write package umid
1540 mxf_write_local_tag(pb, 32, 0x4401);
1541 mxf_write_umid(s, package->instance);
1542 PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1546 mxf_write_local_tag_utf16(pb, 0x4402, package->name);
1548 // package creation date
1549 mxf_write_local_tag(pb, 8, 0x4405);
1550 avio_wb64(pb, mxf->timestamp);
1552 // package modified date
1553 mxf_write_local_tag(pb, 8, 0x4404);
1554 avio_wb64(pb, mxf->timestamp);
1557 mxf_write_local_tag(pb, track_count*16 + 8, 0x4403);
1558 mxf_write_refs_count(pb, track_count);
1559 // these are the uuids of the tracks the will be written in mxf_write_track
1560 for (i = 0; i < track_count; i++)
1561 mxf_write_uuid(pb, Track, mxf->track_instance_count + i);
1563 // write user comment refs
1564 if (mxf->store_user_comments) {
1565 mxf_write_local_tag(pb, user_comment_count*16 + 8, 0x4406);
1566 mxf_write_refs_count(pb, user_comment_count);
1567 for (i = 0; i < user_comment_count; i++)
1568 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i);
1571 // write multiple descriptor reference
1572 if (package->type == SourcePackage && package->instance == 1) {
1573 mxf_write_local_tag(pb, 16, 0x4701);
1574 if (s->nb_streams > 1) {
1575 mxf_write_uuid(pb, MultipleDescriptor, 0);
1576 mxf_write_multi_descriptor(s);
1578 mxf_write_uuid(pb, SubDescriptor, 0);
1579 } else if (package->type == SourcePackage && package->instance == 2) {
1580 mxf_write_local_tag(pb, 16, 0x4701);
1581 mxf_write_uuid(pb, TapeDescriptor, 0);
1582 mxf_write_tape_descriptor(s);
1586 * for every 1 track in a package there is 1 sequence and 1 component.
1587 * all 3 of these elements share the same instance number for generating
1588 * there instance uuids. mxf->track_instance_count stores this value.
1589 * mxf->track_instance_count is incremented after a group of all 3 of
1590 * these elements are written.
1593 // write timecode track
1594 mxf_write_track(s, mxf->timecode_track, package);
1595 mxf_write_sequence(s, mxf->timecode_track, package);
1596 mxf_write_timecode_component(s, mxf->timecode_track, package);
1597 mxf->track_instance_count++;
1599 for (i = 0; i < s->nb_streams; i++) {
1600 AVStream *st = s->streams[i];
1601 mxf_write_track(s, st, package);
1602 mxf_write_sequence(s, st, package);
1603 mxf_write_structural_component(s, st, package);
1604 mxf->track_instance_count++;
1606 if (package->type == SourcePackage && package->instance == 1) {
1607 MXFStreamContext *sc = st->priv_data;
1608 mxf_essence_container_uls[sc->index].write_desc(s, st);
1613 static int mxf_write_essence_container_data(AVFormatContext *s)
1615 AVIOContext *pb = s->pb;
1617 mxf_write_metadata_key(pb, 0x012300);
1618 klv_encode_ber_length(pb, 72);
1620 mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID
1621 mxf_write_uuid(pb, EssenceContainerData, 0);
1623 mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID
1624 mxf_write_umid(s, 1);
1626 mxf_write_local_tag(pb, 4, 0x3F07); // BodySID
1629 mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID
1635 static int mxf_write_header_metadata_sets(AVFormatContext *s)
1637 MXFContext *mxf = s->priv_data;
1638 AVDictionaryEntry *entry = NULL;
1639 AVStream *st = NULL;
1641 MXFPackage packages[3] = {{0}};
1642 int package_count = 2;
1643 packages[0].type = MaterialPackage;
1644 packages[1].type = SourcePackage;
1645 packages[1].instance = 1;
1646 packages[0].ref = &packages[1];
1649 if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0))
1650 packages[0].name = entry->value;
1652 if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) {
1653 packages[1].name = entry->value;
1655 /* check if any of the streams contain a file_package_name */
1656 for (i = 0; i < s->nb_streams; i++) {
1658 if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) {
1659 packages[1].name = entry->value;
1665 entry = av_dict_get(s->metadata, "reel_name", NULL, 0);
1667 packages[2].name = entry->value;
1668 packages[2].type = SourcePackage;
1669 packages[2].instance = 2;
1670 packages[1].ref = &packages[2];
1674 mxf_write_preface(s);
1675 mxf_write_identification(s);
1676 mxf_write_content_storage(s, packages, package_count);
1677 mxf->track_instance_count = 0;
1678 for (i = 0; i < package_count; i++)
1679 mxf_write_package(s, &packages[i]);
1680 mxf_write_essence_container_data(s);
1684 static unsigned klv_fill_size(uint64_t size)
1686 unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1687 if (pad < 20) // smallest fill item possible
1688 return pad + KAG_SIZE;
1690 return pad & (KAG_SIZE-1);
1693 static void mxf_write_index_table_segment(AVFormatContext *s)
1695 MXFContext *mxf = s->priv_data;
1696 AVIOContext *pb = s->pb;
1697 int i, j, temporal_reordering = 0;
1698 int key_index = mxf->last_key_index;
1700 av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1702 if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1705 avio_write(pb, index_table_segment_key, 16);
1707 if (mxf->edit_unit_byte_count) {
1708 klv_encode_ber_length(pb, 80);
1710 klv_encode_ber_length(pb, 85 + 12+(s->nb_streams+1LL)*6 +
1711 12+mxf->edit_units_count*(11+mxf->slice_count*4LL));
1715 mxf_write_local_tag(pb, 16, 0x3C0A);
1716 mxf_write_uuid(pb, IndexTableSegment, 0);
1719 mxf_write_local_tag(pb, 8, 0x3F0B);
1720 avio_wb32(pb, mxf->time_base.den);
1721 avio_wb32(pb, mxf->time_base.num);
1723 // index start position
1724 mxf_write_local_tag(pb, 8, 0x3F0C);
1725 avio_wb64(pb, mxf->last_indexed_edit_unit);
1728 mxf_write_local_tag(pb, 8, 0x3F0D);
1729 if (mxf->edit_unit_byte_count)
1730 avio_wb64(pb, 0); // index table covers whole container
1732 avio_wb64(pb, mxf->edit_units_count);
1734 // edit unit byte count
1735 mxf_write_local_tag(pb, 4, 0x3F05);
1736 avio_wb32(pb, mxf->edit_unit_byte_count);
1739 mxf_write_local_tag(pb, 4, 0x3F06);
1743 mxf_write_local_tag(pb, 4, 0x3F07);
1746 if (!mxf->edit_unit_byte_count) {
1747 // real slice count - 1
1748 mxf_write_local_tag(pb, 1, 0x3F08);
1749 avio_w8(pb, mxf->slice_count);
1751 // delta entry array
1752 mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
1753 avio_wb32(pb, s->nb_streams+1); // num of entries
1754 avio_wb32(pb, 6); // size of one entry
1755 // write system item delta entry
1757 avio_w8(pb, 0); // slice entry
1758 avio_wb32(pb, 0); // element delta
1759 for (i = 0; i < s->nb_streams; i++) {
1760 AVStream *st = s->streams[i];
1761 MXFStreamContext *sc = st->priv_data;
1762 avio_w8(pb, sc->temporal_reordering);
1763 if (sc->temporal_reordering)
1764 temporal_reordering = 1;
1765 if (i == 0) { // video track
1766 avio_w8(pb, 0); // slice number
1767 avio_wb32(pb, KAG_SIZE); // system item size including klv fill
1768 } else { // audio track
1769 unsigned audio_frame_size = sc->aic.samples[0]*sc->aic.sample_size;
1770 audio_frame_size += klv_fill_size(audio_frame_size);
1772 avio_wb32(pb, (i-1)*audio_frame_size); // element delta
1776 mxf_write_local_tag(pb, 8 + mxf->edit_units_count*(11+mxf->slice_count*4), 0x3F0A);
1777 avio_wb32(pb, mxf->edit_units_count); // num of entries
1778 avio_wb32(pb, 11+mxf->slice_count*4); // size of one entry
1780 for (i = 0; i < mxf->edit_units_count; i++) {
1781 int temporal_offset = 0;
1783 if (!(mxf->index_entries[i].flags & 0x33)) { // I-frame
1784 mxf->last_key_index = key_index;
1788 if (temporal_reordering) {
1789 int pic_num_in_gop = i - key_index;
1790 if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
1791 for (j = key_index; j < mxf->edit_units_count; j++) {
1792 if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
1795 if (j == mxf->edit_units_count)
1796 av_log(s, AV_LOG_WARNING, "missing frames\n");
1797 temporal_offset = j - key_index - pic_num_in_gop;
1800 avio_w8(pb, temporal_offset);
1802 if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
1803 avio_w8(pb, mxf->last_key_index - i);
1805 avio_w8(pb, key_index - i); // key frame offset
1806 if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
1807 mxf->last_key_index = key_index;
1810 if (!(mxf->index_entries[i].flags & 0x33) && // I-frame
1811 mxf->index_entries[i].flags & 0x40 && !temporal_offset)
1812 mxf->index_entries[i].flags |= 0x80; // random access
1813 avio_w8(pb, mxf->index_entries[i].flags);
1815 avio_wb64(pb, mxf->index_entries[i].offset);
1816 if (s->nb_streams > 1)
1817 avio_wb32(pb, mxf->index_entries[i].slice_offset);
1820 mxf->last_key_index = key_index - mxf->edit_units_count;
1821 mxf->last_indexed_edit_unit += mxf->edit_units_count;
1822 mxf->edit_units_count = 0;
1826 static void mxf_write_klv_fill(AVFormatContext *s)
1828 unsigned pad = klv_fill_size(avio_tell(s->pb));
1830 avio_write(s->pb, klv_fill_key, 16);
1832 klv_encode_ber4_length(s->pb, pad);
1833 ffio_fill(s->pb, 0, pad);
1834 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
1838 static int mxf_write_partition(AVFormatContext *s, int bodysid,
1840 const uint8_t *key, int write_metadata)
1842 MXFContext *mxf = s->priv_data;
1843 AVIOContext *pb = s->pb;
1844 int64_t header_byte_count_offset;
1845 unsigned index_byte_count = 0;
1846 uint64_t partition_offset = avio_tell(pb);
1849 if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
1850 index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
1851 12+mxf->edit_units_count*(11+mxf->slice_count*4);
1852 else if (mxf->edit_unit_byte_count && indexsid)
1853 index_byte_count = 80;
1855 if (index_byte_count) {
1856 // add encoded ber length
1857 index_byte_count += 16 + klv_ber_length(index_byte_count);
1858 index_byte_count += klv_fill_size(index_byte_count);
1861 if (key && !memcmp(key, body_partition_key, 16)) {
1862 if ((err = av_reallocp_array(&mxf->body_partition_offset, mxf->body_partitions_count + 1,
1863 sizeof(*mxf->body_partition_offset))) < 0) {
1864 mxf->body_partitions_count = 0;
1867 mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
1872 avio_write(pb, key, 16);
1874 avio_write(pb, body_partition_key, 16);
1876 klv_encode_ber_length(pb, 88 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
1878 // write partition value
1879 avio_wb16(pb, 1); // majorVersion
1880 avio_wb16(pb, 3); // minorVersion
1881 avio_wb32(pb, KAG_SIZE); // KAGSize
1883 avio_wb64(pb, partition_offset); // ThisPartition
1885 if (key && !memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
1886 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
1887 else if (key && !memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
1888 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
1892 avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
1895 header_byte_count_offset = avio_tell(pb);
1896 avio_wb64(pb, 0); // headerByteCount, update later
1899 avio_wb64(pb, index_byte_count); // indexByteCount
1900 avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
1903 if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && s->oformat != &ff_mxf_opatom_muxer)
1904 avio_wb64(pb, mxf->body_offset);
1908 avio_wb32(pb, bodysid); // bodySID
1910 // operational pattern
1911 if (s->oformat == &ff_mxf_opatom_muxer)
1912 avio_write(pb, opatom_ul, 16);
1914 avio_write(pb, op1a_ul, 16);
1916 // essence container
1917 mxf_write_essence_container_refs(s);
1919 if (write_metadata) {
1920 // mark the start of the headermetadata and calculate metadata size
1922 unsigned header_byte_count;
1924 mxf_write_klv_fill(s);
1925 start = avio_tell(s->pb);
1926 mxf_write_primer_pack(s);
1927 mxf_write_klv_fill(s);
1928 mxf_write_header_metadata_sets(s);
1929 pos = avio_tell(s->pb);
1930 header_byte_count = pos - start + klv_fill_size(pos);
1932 // update header_byte_count
1933 avio_seek(pb, header_byte_count_offset, SEEK_SET);
1934 avio_wb64(pb, header_byte_count);
1935 avio_seek(pb, pos, SEEK_SET);
1944 static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st,
1947 MXFContext *mxf = s->priv_data;
1948 MXFStreamContext *sc = st->priv_data;
1950 uint8_t* header_cid;
1953 if (mxf->header_written)
1959 header_cid = pkt->data + 0x28;
1960 cid = header_cid[0] << 24 | header_cid[1] << 16 | header_cid[2] << 8 | header_cid[3];
1962 if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) < 0)
1964 if ((sc->interlaced = avpriv_dnxhd_get_interlaced(cid)) < 0)
1965 return AVERROR_INVALIDDATA;
1969 sc->index = INDEX_DNXHD_1080p_10bit_HIGH;
1970 sc->component_depth = 10;
1973 sc->index = INDEX_DNXHD_1080p_8bit_MEDIUM;
1976 sc->index = INDEX_DNXHD_1080p_8bit_HIGH;
1979 sc->index = INDEX_DNXHD_1080i_10bit_HIGH;
1980 sc->component_depth = 10;
1983 sc->index = INDEX_DNXHD_1080i_8bit_MEDIUM;
1986 sc->index = INDEX_DNXHD_1080i_8bit_HIGH;
1989 sc->index = INDEX_DNXHD_720p_10bit;
1990 sc->component_depth = 10;
1993 sc->index = INDEX_DNXHD_720p_8bit_HIGH;
1996 sc->index = INDEX_DNXHD_720p_8bit_MEDIUM;
1999 sc->index = INDEX_DNXHD_720p_8bit_LOW;
2005 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2006 sc->aspect_ratio = (AVRational){ 16, 9 };
2008 if (s->oformat == &ff_mxf_opatom_muxer) {
2009 mxf->edit_unit_byte_count = frame_size;
2013 mxf->edit_unit_byte_count = KAG_SIZE;
2014 for (i = 0; i < s->nb_streams; i++) {
2015 AVStream *st = s->streams[i];
2016 MXFStreamContext *sc = st->priv_data;
2017 if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2018 mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
2019 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2020 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2021 mxf->edit_unit_byte_count += 16 + 4 + frame_size;
2022 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2029 static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2031 MXFContext *mxf = s->priv_data;
2032 MXFStreamContext *sc = st->priv_data;
2033 uint8_t *vs_pack, *vsc_pack;
2034 int i, ul_index, frame_size, stype, pal;
2035 const AVDVProfile *profile;
2037 if (mxf->header_written)
2040 // Check for minimal frame size
2041 if (pkt->size < 120000)
2044 profile = av_dv_frame_profile(NULL, pkt->data, pkt->size);
2046 vs_pack = pkt->data + 80*5 + 48;
2047 vsc_pack = pkt->data + 80*5 + 53;
2048 stype = vs_pack[3] & 0x1f;
2049 pal = (vs_pack[3] >> 5) & 0x1;
2051 if ((vsc_pack[2] & 0x07) == 0x02) {
2052 sc->aspect_ratio = (AVRational){ 16, 9 };
2054 sc->aspect_ratio = (AVRational){ 4, 3 };
2057 sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
2058 // TODO: fix dv encoder to set proper FF/FS value in VSC pack
2059 // and set field dominance accordingly
2060 // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
2063 case 0x18: // DV100 720p
2064 ul_index = INDEX_DV100_720_50 + pal;
2065 frame_size = pal ? 288000 : 240000;
2066 if (sc->interlaced) {
2067 av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
2071 case 0x14: // DV100 1080i
2072 ul_index = INDEX_DV100_1080_50 + pal;
2073 frame_size = pal ? 576000 : 480000;
2076 ul_index = INDEX_DV50_525_60 + pal;
2077 frame_size = pal ? 288000 : 240000;
2080 if (profile && profile->pix_fmt == AV_PIX_FMT_YUV420P && pal) {
2081 ul_index = INDEX_DV25_525_60_IEC + pal;
2082 frame_size = pal ? 144000 : 120000;
2085 ul_index = INDEX_DV25_525_60 + pal;
2086 frame_size = pal ? 144000 : 120000;
2089 sc->index = ul_index;
2090 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2092 if(s->oformat == &ff_mxf_opatom_muxer) {
2093 mxf->edit_unit_byte_count = frame_size;
2097 mxf->edit_unit_byte_count = KAG_SIZE;
2098 for (i = 0; i < s->nb_streams; i++) {
2099 AVStream *st = s->streams[i];
2100 MXFStreamContext *sc = st->priv_data;
2101 if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2102 mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
2103 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2104 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2105 mxf->edit_unit_byte_count += 16 + 4 + frame_size;
2106 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2113 static const struct {
2118 int long_gop; // 1 or 0 when there are separate UIDs for Long GOP and Intra, -1 when Intra/LGOP detection can be ignored
2119 } mxf_h264_codec_uls[] = {
2120 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x11,0x01 }, 0, 66, 0, -1 }, // AVC Baseline, Unconstrained Coding
2121 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x20,0x01 }, 0, 77, 0, -1 }, // AVC Main
2122 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x30,0x01 }, 0, 88, 0, -1 }, // AVC Extended
2123 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x40,0x01 }, 0, 100, 0, -1 }, // AVC High
2124 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x50,0x01 }, 0, 110, 0, 1 }, // AVC High 10
2125 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x60,0x01 }, 0, 122, 0, 1 }, // AVC High 422
2126 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x70,0x01 }, 0, 244, 0, 1 }, // AVC High 444
2127 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0, 0 }, // AVC High 10 Intra
2128 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 0, 1, 0 }, // AVC Intra 50 1080i60
2129 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 0, 1, 0 }, // AVC Intra 50 1080i50
2130 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 0, 0, 0 }, // AVC Intra 50 1080p30
2131 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 0, 0, 0 }, // AVC Intra 50 1080p25
2132 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 0, 0, 0 }, // AVC Intra 50 720p60
2133 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 0, 0, 0 }, // AVC Intra 50 720p50
2134 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0, 0 }, // AVC High 422 Intra
2135 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 0, 1, 0 }, // AVC Intra 100 1080i60
2136 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 0, 1, 0 }, // AVC Intra 100 1080i50
2137 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 0, 0, 0 }, // AVC Intra 100 1080p30
2138 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 0, 0, 0 }, // AVC Intra 100 1080p25
2139 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 0, 0, 0 }, // AVC Intra 100 720p60
2140 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 0, 0, 0 }, // AVC Intra 100 720p50
2141 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x40,0x01 }, 0, 244, 0, 0 }, // AVC High 444 Intra
2142 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x50,0x01 }, 0, 44, 0, -1 }, // AVC CAVLC 444
2145 static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st,
2146 AVPacket *pkt, MXFIndexEntry *e)
2148 MXFContext *mxf = s->priv_data;
2149 MXFStreamContext *sc = st->priv_data;
2150 AVCodecParameters *par = st->codecpar;
2151 static const int mxf_h264_num_codec_uls = sizeof(mxf_h264_codec_uls) / sizeof(mxf_h264_codec_uls[0]);
2152 const uint8_t *buf = pkt->data;
2153 const uint8_t *buf_end = pkt->data + pkt->size;
2154 uint32_t state = -1;
2155 int long_gop = 0; // assume intra when there is no SPS header
2156 int extra_size = 512; // support AVC Intra files without SPS/PPS header
2160 if (pkt->size > extra_size)
2161 buf_end -= pkt->size - extra_size; // no need to parse beyond SPS/PPS header
2164 buf = avpriv_find_start_code(buf, buf_end, &state);
2168 switch (state & 0x1f) {
2170 par->profile = buf[1];
2171 long_gop = buf[2] & 0x10 ? 0 : 1; // constraint_set3_flag signals intra
2175 if (e->flags & 0x40) { // sequence header present
2176 e->flags |= 0x80; // random access
2186 if (mxf->header_written)
2189 sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD
2190 sc->interlaced = par->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0;
2193 frame_size = pkt->size + extra_size;
2194 for (i = 0; i < mxf_h264_num_codec_uls; i++) {
2195 if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) {
2196 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
2197 sc->component_depth = 10; // AVC Intra is always 10 Bit
2199 sc->field_dominance = 1; // top field first is mandatory for AVC Intra
2201 } else if ((mxf_h264_codec_uls[i].profile == par->profile) &&
2202 ((mxf_h264_codec_uls[i].long_gop < 0) ||
2203 (mxf_h264_codec_uls[i].long_gop == long_gop))) {
2204 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
2210 av_log(s, AV_LOG_ERROR, "h264 profile not supported\n");
2217 static const UID mxf_mpeg2_codec_uls[] = {
2218 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
2219 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
2220 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
2221 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
2222 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
2223 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
2224 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
2225 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
2226 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
2227 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
2230 static const UID *mxf_get_mpeg2_codec_ul(AVCodecParameters *par)
2234 if (par->profile == 4) { // Main
2235 if (par->level == 8) // Main
2236 return &mxf_mpeg2_codec_uls[0+long_gop];
2237 else if (par->level == 4) // High
2238 return &mxf_mpeg2_codec_uls[4+long_gop];
2239 else if (par->level == 6) // High 14
2240 return &mxf_mpeg2_codec_uls[8+long_gop];
2241 } else if (par->profile == 0) { // 422
2242 if (par->level == 5) // Main
2243 return &mxf_mpeg2_codec_uls[2+long_gop];
2244 else if (par->level == 2) // High
2245 return &mxf_mpeg2_codec_uls[6+long_gop];
2250 static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st,
2251 AVPacket *pkt, MXFIndexEntry *e)
2253 MXFStreamContext *sc = st->priv_data;
2257 for(i = 0; i < pkt->size - 4; i++) {
2258 c = (c<<8) + pkt->data[i];
2260 if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
2261 st->codecpar->profile = pkt->data[i+1] & 0x07;
2262 st->codecpar->level = pkt->data[i+2] >> 4;
2263 } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
2264 sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
2266 sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
2269 } else if (c == 0x1b8) { // gop
2270 if (pkt->data[i+4]>>6 & 0x01) { // closed
2272 if (e->flags & 0x40) // sequence header present
2273 e->flags |= 0x80; // random access
2275 } else if (c == 0x1b3) { // seq
2277 switch ((pkt->data[i+4]>>4) & 0xf) {
2278 case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
2279 case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
2280 case 4: sc->aspect_ratio = (AVRational){221,100}; break;
2282 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
2283 st->codecpar->width, st->codecpar->height, 1024*1024);
2285 } else if (c == 0x100) { // pic
2286 int pict_type = (pkt->data[i+2]>>3) & 0x07;
2287 e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2288 if (pict_type == 2) { // P-frame
2290 sc->closed_gop = 0; // reset closed GOP, don't matter anymore
2291 } else if (pict_type == 3) { // B-frame
2293 e->flags |= 0x13; // only backward prediction
2296 sc->temporal_reordering = -1;
2297 } else if (!pict_type) {
2298 av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
2303 if (s->oformat != &ff_mxf_d10_muxer)
2304 sc->codec_ul = mxf_get_mpeg2_codec_ul(st->codecpar);
2305 return !!sc->codec_ul;
2308 static uint64_t mxf_parse_timestamp(time_t timestamp)
2311 struct tm *time = gmtime_r(×tamp, &tmbuf);
2314 return (uint64_t)(time->tm_year+1900) << 48 |
2315 (uint64_t)(time->tm_mon+1) << 40 |
2316 (uint64_t) time->tm_mday << 32 |
2317 time->tm_hour << 24 |
2318 time->tm_min << 16 |
2322 static void mxf_gen_umid(AVFormatContext *s)
2324 MXFContext *mxf = s->priv_data;
2325 uint32_t seed = av_get_random_seed();
2326 uint64_t umid = seed + 0x5294713400000000LL;
2328 AV_WB64(mxf->umid , umid);
2329 AV_WB64(mxf->umid+8, umid>>8);
2331 mxf->instance_number = seed & 0xFFFFFF;
2334 static int mxf_init_timecode(AVFormatContext *s, AVStream *st, AVRational rate)
2336 MXFContext *mxf = s->priv_data;
2337 AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
2339 tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
2342 return av_timecode_init_from_string(&mxf->tc, rate, tcr->value, s);
2344 return av_timecode_init(&mxf->tc, rate, 0, 0, s);
2347 static int mxf_write_header(AVFormatContext *s)
2349 MXFContext *mxf = s->priv_data;
2351 uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
2352 const MXFSamplesPerFrame *spf = NULL;
2353 int64_t timestamp = 0;
2358 if (s->oformat == &ff_mxf_opatom_muxer && s->nb_streams !=1) {
2359 av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n");
2363 if (!av_dict_get(s->metadata, "comment_", NULL, AV_DICT_IGNORE_SUFFIX))
2364 mxf->store_user_comments = 0;
2366 for (i = 0; i < s->nb_streams; i++) {
2367 AVStream *st = s->streams[i];
2368 MXFStreamContext *sc = av_mallocz(sizeof(*sc));
2370 return AVERROR(ENOMEM);
2373 if (((i == 0) ^ (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)) && s->oformat != &ff_mxf_opatom_muxer) {
2374 av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
2378 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2379 const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codecpar->format);
2380 // TODO: should be avg_frame_rate
2381 AVRational rate, tbc = st->time_base;
2382 // Default component depth to 8
2383 sc->component_depth = 8;
2384 sc->h_chroma_sub_sample = 2;
2385 sc->color_siting = 0xFF;
2388 sc->component_depth = pix_desc->comp[0].depth;
2389 sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w;
2390 sc->v_chroma_sub_sample = 1 << pix_desc->log2_chroma_h;
2392 switch (ff_choose_chroma_location(s, st)) {
2393 case AVCHROMA_LOC_TOPLEFT: sc->color_siting = 0; break;
2394 case AVCHROMA_LOC_LEFT: sc->color_siting = 6; break;
2395 case AVCHROMA_LOC_TOP: sc->color_siting = 1; break;
2396 case AVCHROMA_LOC_CENTER: sc->color_siting = 3; break;
2399 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2400 spf = ff_mxf_get_samples_per_frame(s, tbc);
2402 av_log(s, AV_LOG_ERROR, "Unsupported video frame rate %d/%d\n",
2404 return AVERROR(EINVAL);
2406 mxf->time_base = spf->time_base;
2407 rate = av_inv_q(mxf->time_base);
2408 avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
2409 if((ret = mxf_init_timecode(s, st, rate)) < 0)
2412 sc->video_bit_rate = st->codecpar->bit_rate;
2413 if (s->oformat == &ff_mxf_d10_muxer) {
2414 if (st->codecpar->codec_id != AV_CODEC_ID_MPEG2VIDEO) {
2415 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support MPEG-2 Video\n");
2416 return AVERROR(EINVAL);
2418 if ((sc->video_bit_rate == 50000000) && (mxf->time_base.den == 25)) {
2419 sc->index = INDEX_D10_625_50_50_VIDEO;
2420 } else if ((sc->video_bit_rate == 49999840 || sc->video_bit_rate == 50000000) && (mxf->time_base.den != 25)) {
2421 sc->index = INDEX_D10_525_60_50_VIDEO;
2422 } else if (sc->video_bit_rate == 40000000) {
2423 if (mxf->time_base.den == 25) sc->index = INDEX_D10_625_50_40_VIDEO;
2424 else sc->index = INDEX_D10_525_60_40_VIDEO;
2425 } else if (sc->video_bit_rate == 30000000) {
2426 if (mxf->time_base.den == 25) sc->index = INDEX_D10_625_50_30_VIDEO;
2427 else sc->index = INDEX_D10_525_60_30_VIDEO;
2429 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
2433 mxf->edit_unit_byte_count = KAG_SIZE; // system element
2434 mxf->edit_unit_byte_count += 16 + 4 + (uint64_t)sc->video_bit_rate *
2435 mxf->time_base.num / (8*mxf->time_base.den);
2436 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2437 mxf->edit_unit_byte_count += 16 + 4 + 4 + spf->samples_per_frame[0]*8*4;
2438 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2440 sc->signal_standard = 1;
2441 sc->color_siting = 0;
2443 if (mxf->signal_standard >= 0)
2444 sc->signal_standard = mxf->signal_standard;
2445 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2446 if (st->codecpar->sample_rate != 48000) {
2447 av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
2450 avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
2451 if (s->oformat == &ff_mxf_d10_muxer) {
2452 if (st->index != 1) {
2453 av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
2456 if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2457 st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) {
2458 av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
2460 sc->index = ((MXFStreamContext*)s->streams[0]->priv_data)->index + 1;
2461 } else if (s->oformat == &ff_mxf_opatom_muxer) {
2462 AVRational tbc = av_inv_q(mxf->audio_edit_rate);
2464 if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2465 st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) {
2466 av_log(s, AV_LOG_ERROR, "Only pcm_s16le and pcm_s24le audio codecs are implemented\n");
2467 return AVERROR_PATCHWELCOME;
2469 if (st->codecpar->channels != 1) {
2470 av_log(s, AV_LOG_ERROR, "MXF OPAtom only supports single channel audio\n");
2471 return AVERROR(EINVAL);
2474 spf = ff_mxf_get_samples_per_frame(s, tbc);
2476 av_log(s, AV_LOG_ERROR, "Unsupported timecode frame rate %d/%d\n", tbc.den, tbc.num);
2477 return AVERROR(EINVAL);
2480 mxf->time_base = st->time_base;
2481 if((ret = mxf_init_timecode(s, st, av_inv_q(spf->time_base))) < 0)
2484 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2485 mxf->edit_unit_byte_count = (av_get_bits_per_sample(st->codecpar->codec_id) * st->codecpar->channels) >> 3;
2486 sc->index = INDEX_WAV;
2488 mxf->slice_count = 1;
2493 sc->index = mxf_get_essence_container_ul_index(st->codecpar->codec_id);
2494 if (sc->index == -1) {
2495 av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
2496 "codec not currently supported in container\n", i);
2501 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2503 memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
2504 sc->track_essence_element_key[15] = present[sc->index];
2505 PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
2507 if (!present[sc->index])
2508 mxf->essence_container_count++;
2509 present[sc->index]++;
2512 if (s->oformat == &ff_mxf_d10_muxer || s->oformat == &ff_mxf_opatom_muxer) {
2513 mxf->essence_container_count = 1;
2516 if (!(s->flags & AVFMT_FLAG_BITEXACT))
2519 for (i = 0; i < s->nb_streams; i++) {
2520 MXFStreamContext *sc = s->streams[i]->priv_data;
2521 // update element count
2522 sc->track_essence_element_key[13] = present[sc->index];
2523 if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[15].element_ul, 13)) // DV
2524 sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
2526 sc->order = AV_RB32(sc->track_essence_element_key+12);
2529 if (ff_parse_creation_time_metadata(s, ×tamp, 1) > 0)
2530 mxf->timestamp = mxf_parse_timestamp(timestamp);
2533 mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
2534 if (!mxf->timecode_track)
2535 return AVERROR(ENOMEM);
2536 mxf->timecode_track->priv_data = av_mallocz(sizeof(MXFStreamContext));
2537 if (!mxf->timecode_track->priv_data)
2538 return AVERROR(ENOMEM);
2539 mxf->timecode_track->index = -1;
2542 spf = ff_mxf_get_samples_per_frame(s, (AVRational){ 1, 25 });
2544 if (ff_audio_interleave_init(s, spf->samples_per_frame, mxf->time_base) < 0)
2550 static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
2551 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 };
2553 static void mxf_write_system_item(AVFormatContext *s)
2555 MXFContext *mxf = s->priv_data;
2556 AVIOContext *pb = s->pb;
2560 frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2562 // write system metadata pack
2563 avio_write(pb, system_metadata_pack_key, 16);
2564 klv_encode_ber4_length(pb, 57);
2565 avio_w8(pb, 0x5c); // UL, user date/time stamp, picture and sound item present
2566 avio_w8(pb, 0x04); // content package rate
2567 avio_w8(pb, 0x00); // content package type
2568 avio_wb16(pb, 0x00); // channel handle
2569 avio_wb16(pb, (mxf->tc.start + frame) & 0xFFFF); // continuity count, supposed to overflow
2570 if (mxf->essence_container_count > 1)
2571 avio_write(pb, multiple_desc_ul, 16);
2573 MXFStreamContext *sc = s->streams[0]->priv_data;
2574 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
2578 avio_wb64(pb, 0); // creation date/time stamp
2580 avio_w8(pb, 0x81); // SMPTE 12M time code
2581 time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
2582 avio_wb32(pb, time_code);
2583 avio_wb32(pb, 0); // binary group data
2586 // write system metadata package set
2587 avio_write(pb, system_metadata_package_set_key, 16);
2588 klv_encode_ber4_length(pb, 35);
2589 avio_w8(pb, 0x83); // UMID
2590 avio_wb16(pb, 0x20);
2591 mxf_write_umid(s, 1);
2594 static void mxf_write_d10_video_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2596 MXFContext *mxf = s->priv_data;
2597 AVIOContext *pb = s->pb;
2598 MXFStreamContext *sc = st->priv_data;
2599 int packet_size = (uint64_t)sc->video_bit_rate*mxf->time_base.num /
2600 (8*mxf->time_base.den); // frame size
2603 packet_size += 16 + 4;
2604 packet_size += klv_fill_size(packet_size);
2606 klv_encode_ber4_length(pb, pkt->size);
2607 avio_write(pb, pkt->data, pkt->size);
2609 // ensure CBR muxing by padding to correct video frame size
2610 pad = packet_size - pkt->size - 16 - 4;
2612 avio_write(s->pb, klv_fill_key, 16);
2614 klv_encode_ber4_length(s->pb, pad);
2615 ffio_fill(s->pb, 0, pad);
2616 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
2618 av_log(s, AV_LOG_WARNING, "cannot fill d-10 video packet\n");
2619 ffio_fill(s->pb, 0, pad);
2623 static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2625 MXFContext *mxf = s->priv_data;
2626 AVIOContext *pb = s->pb;
2627 int frame_size = pkt->size / st->codecpar->block_align;
2628 uint8_t *samples = pkt->data;
2629 uint8_t *end = pkt->data + pkt->size;
2632 klv_encode_ber4_length(pb, 4 + frame_size*4*8);
2634 avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
2635 avio_wl16(pb, frame_size);
2636 avio_w8(pb, (1<<st->codecpar->channels)-1);
2638 while (samples < end) {
2639 for (i = 0; i < st->codecpar->channels; i++) {
2641 if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
2642 sample = AV_RL24(samples)<< 4;
2645 sample = AV_RL16(samples)<<12;
2648 avio_wl32(pb, sample | i);
2655 static int mxf_write_opatom_body_partition(AVFormatContext *s)
2657 MXFContext *mxf = s->priv_data;
2658 AVIOContext *pb = s->pb;
2659 AVStream *st = s->streams[0];
2660 MXFStreamContext *sc = st->priv_data;
2661 const uint8_t *key = NULL;
2665 if (!mxf->header_written)
2666 key = body_partition_key;
2668 if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0)
2670 mxf_write_klv_fill(s);
2671 avio_write(pb, sc->track_essence_element_key, 16);
2672 klv_encode_ber9_length(pb, mxf->body_offset);
2676 static int mxf_write_opatom_packet(AVFormatContext *s, AVPacket *pkt, MXFIndexEntry *ie)
2678 MXFContext *mxf = s->priv_data;
2679 AVIOContext *pb = s->pb;
2683 if (!mxf->header_written) {
2684 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2686 mxf_write_klv_fill(s);
2688 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2690 mxf->header_written = 1;
2693 if (!mxf->edit_unit_byte_count) {
2694 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2695 mxf->index_entries[mxf->edit_units_count].flags = ie->flags;
2696 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie->temporal_ref;
2698 mxf->edit_units_count++;
2699 avio_write(pb, pkt->data, pkt->size);
2700 mxf->body_offset += pkt->size;
2706 static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
2708 MXFContext *mxf = s->priv_data;
2709 AVIOContext *pb = s->pb;
2710 AVStream *st = s->streams[pkt->stream_index];
2711 MXFStreamContext *sc = st->priv_data;
2712 MXFIndexEntry ie = {0};
2715 if (!mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) {
2716 if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
2717 + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
2718 mxf->edit_units_count = 0;
2719 av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
2724 if (st->codecpar->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2725 if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
2726 av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
2729 } else if (st->codecpar->codec_id == AV_CODEC_ID_DNXHD) {
2730 if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
2731 av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
2734 } else if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) {
2735 if (!mxf_parse_dv_frame(s, st, pkt)) {
2736 av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
2739 } else if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
2740 if (!mxf_parse_h264_frame(s, st, pkt, &ie)) {
2741 av_log(s, AV_LOG_ERROR, "could not get h264 profile\n");
2746 if (s->oformat == &ff_mxf_opatom_muxer)
2747 return mxf_write_opatom_packet(s, pkt, &ie);
2749 if (!mxf->header_written) {
2750 if (mxf->edit_unit_byte_count) {
2751 if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
2753 mxf_write_klv_fill(s);
2754 mxf_write_index_table_segment(s);
2756 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2759 mxf->header_written = 1;
2762 if (st->index == 0) {
2763 if (!mxf->edit_unit_byte_count &&
2764 (!mxf->edit_units_count || mxf->edit_units_count > EDIT_UNITS_PER_BODY) &&
2765 !(ie.flags & 0x33)) { // I-frame, GOP start
2766 mxf_write_klv_fill(s);
2767 if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
2769 mxf_write_klv_fill(s);
2770 mxf_write_index_table_segment(s);
2773 mxf_write_klv_fill(s);
2774 mxf_write_system_item(s);
2776 if (!mxf->edit_unit_byte_count) {
2777 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2778 mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
2779 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie.temporal_ref;
2780 mxf->body_offset += KAG_SIZE; // size of system element
2782 mxf->edit_units_count++;
2783 } else if (!mxf->edit_unit_byte_count && st->index == 1) {
2784 if (!mxf->edit_units_count) {
2785 av_log(s, AV_LOG_ERROR, "No packets in first stream\n");
2786 return AVERROR_PATCHWELCOME;
2788 mxf->index_entries[mxf->edit_units_count-1].slice_offset =
2789 mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
2792 mxf_write_klv_fill(s);
2793 avio_write(pb, sc->track_essence_element_key, 16); // write key
2794 if (s->oformat == &ff_mxf_d10_muxer) {
2795 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
2796 mxf_write_d10_video_packet(s, st, pkt);
2798 mxf_write_d10_audio_packet(s, st, pkt);
2800 klv_encode_ber4_length(pb, pkt->size); // write length
2801 avio_write(pb, pkt->data, pkt->size);
2802 mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
2810 static void mxf_write_random_index_pack(AVFormatContext *s)
2812 MXFContext *mxf = s->priv_data;
2813 AVIOContext *pb = s->pb;
2814 uint64_t pos = avio_tell(pb);
2817 avio_write(pb, random_index_pack_key, 16);
2818 klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
2820 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer)
2821 avio_wb32(pb, 1); // BodySID of header partition
2824 avio_wb64(pb, 0); // offset of header partition
2826 for (i = 0; i < mxf->body_partitions_count; i++) {
2827 avio_wb32(pb, 1); // BodySID
2828 avio_wb64(pb, mxf->body_partition_offset[i]);
2831 avio_wb32(pb, 0); // BodySID of footer partition
2832 avio_wb64(pb, mxf->footer_partition_offset);
2834 avio_wb32(pb, avio_tell(pb) - pos + 4);
2837 static int mxf_write_footer(AVFormatContext *s)
2839 MXFContext *mxf = s->priv_data;
2840 AVIOContext *pb = s->pb;
2843 if (!mxf->header_written ||
2844 (s->oformat == &ff_mxf_opatom_muxer && !mxf->body_partition_offset)) {
2845 /* reason could be invalid options/not supported codec/out of memory */
2846 err = AVERROR_UNKNOWN;
2850 mxf->duration = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2852 mxf_write_klv_fill(s);
2853 mxf->footer_partition_offset = avio_tell(pb);
2854 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { // no need to repeat index
2855 if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
2858 if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
2860 mxf_write_klv_fill(s);
2861 mxf_write_index_table_segment(s);
2864 mxf_write_klv_fill(s);
2865 mxf_write_random_index_pack(s);
2867 if (s->pb->seekable & AVIO_SEEKABLE_NORMAL) {
2868 if (s->oformat == &ff_mxf_opatom_muxer) {
2869 /* rewrite body partition to update lengths */
2870 avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET);
2871 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2875 avio_seek(pb, 0, SEEK_SET);
2876 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) {
2877 if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
2879 mxf_write_klv_fill(s);
2880 mxf_write_index_table_segment(s);
2882 if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
2888 ff_audio_interleave_close(s);
2890 av_freep(&mxf->index_entries);
2891 av_freep(&mxf->body_partition_offset);
2892 av_freep(&mxf->timecode_track->priv_data);
2893 av_freep(&mxf->timecode_track);
2897 return err < 0 ? err : 0;
2900 static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
2902 int i, stream_count = 0;
2904 for (i = 0; i < s->nb_streams; i++)
2905 stream_count += !!s->streams[i]->last_in_packet_buffer;
2907 if (stream_count && (s->nb_streams == stream_count || flush)) {
2908 AVPacketList *pktl = s->internal->packet_buffer;
2909 if (s->nb_streams != stream_count) {
2910 AVPacketList *last = NULL;
2911 // find last packet in edit unit
2913 if (!stream_count || pktl->pkt.stream_index == 0)
2915 // update last packet in packet buffer
2916 if (s->streams[pktl->pkt.stream_index]->last_in_packet_buffer != pktl)
2917 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer = pktl;
2922 // purge packet queue
2924 AVPacketList *next = pktl->next;
2925 av_packet_unref(&pktl->pkt);
2932 s->internal->packet_buffer = NULL;
2933 s->internal->packet_buffer_end= NULL;
2936 pktl = s->internal->packet_buffer;
2940 av_log(s, AV_LOG_TRACE, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts);
2941 s->internal->packet_buffer = pktl->next;
2942 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2943 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
2944 if(!s->internal->packet_buffer)
2945 s->internal->packet_buffer_end= NULL;
2950 av_init_packet(out);
2955 static int mxf_compare_timestamps(AVFormatContext *s, AVPacket *next, AVPacket *pkt)
2957 MXFStreamContext *sc = s->streams[pkt ->stream_index]->priv_data;
2958 MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
2960 return next->dts > pkt->dts ||
2961 (next->dts == pkt->dts && sc->order < sc2->order);
2964 static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
2966 return ff_audio_rechunk_interleave(s, out, pkt, flush,
2967 mxf_interleave_get_packet, mxf_compare_timestamps);
2970 #define MXF_COMMON_OPTIONS \
2971 { "signal_standard", "Force/set Sigal Standard",\
2972 offsetof(MXFContext, signal_standard), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2973 { "bt601", "ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)",\
2974 0, AV_OPT_TYPE_CONST, {.i64 = 1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2975 { "bt1358", "ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)",\
2976 0, AV_OPT_TYPE_CONST, {.i64 = 2}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2977 { "smpte347m", "SMPTE 347M (540 Mbps mappings)",\
2978 0, AV_OPT_TYPE_CONST, {.i64 = 3}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2979 { "smpte274m", "SMPTE 274M (1125 line)",\
2980 0, AV_OPT_TYPE_CONST, {.i64 = 4}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2981 { "smpte296m", "SMPTE 296M (750 line progressive)",\
2982 0, AV_OPT_TYPE_CONST, {.i64 = 5}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2983 { "smpte349m", "SMPTE 349M (1485 Mbps mappings)",\
2984 0, AV_OPT_TYPE_CONST, {.i64 = 6}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2985 { "smpte428", "SMPTE 428-1 DCDM",\
2986 0, AV_OPT_TYPE_CONST, {.i64 = 7}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},
2990 static const AVOption mxf_options[] = {
2992 { "store_user_comments", "",
2993 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
2997 static const AVClass mxf_muxer_class = {
2998 .class_name = "MXF muxer",
2999 .item_name = av_default_item_name,
3000 .option = mxf_options,
3001 .version = LIBAVUTIL_VERSION_INT,
3004 static const AVOption d10_options[] = {
3005 { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
3006 offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
3008 { "store_user_comments", "",
3009 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3013 static const AVClass mxf_d10_muxer_class = {
3014 .class_name = "MXF-D10 muxer",
3015 .item_name = av_default_item_name,
3016 .option = d10_options,
3017 .version = LIBAVUTIL_VERSION_INT,
3020 static const AVOption opatom_options[] = {
3021 { "mxf_audio_edit_rate", "Audio edit rate for timecode",
3022 offsetof(MXFContext, audio_edit_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
3027 static const AVClass mxf_opatom_muxer_class = {
3028 .class_name = "MXF-OPAtom muxer",
3029 .item_name = av_default_item_name,
3030 .option = opatom_options,
3031 .version = LIBAVUTIL_VERSION_INT,
3034 AVOutputFormat ff_mxf_muxer = {
3036 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
3037 .mime_type = "application/mxf",
3038 .extensions = "mxf",
3039 .priv_data_size = sizeof(MXFContext),
3040 .audio_codec = AV_CODEC_ID_PCM_S16LE,
3041 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
3042 .write_header = mxf_write_header,
3043 .write_packet = mxf_write_packet,
3044 .write_trailer = mxf_write_footer,
3045 .flags = AVFMT_NOTIMESTAMPS,
3046 .interleave_packet = mxf_interleave,
3047 .priv_class = &mxf_muxer_class,
3050 AVOutputFormat ff_mxf_d10_muxer = {
3052 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
3053 .mime_type = "application/mxf",
3054 .priv_data_size = sizeof(MXFContext),
3055 .audio_codec = AV_CODEC_ID_PCM_S16LE,
3056 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
3057 .write_header = mxf_write_header,
3058 .write_packet = mxf_write_packet,
3059 .write_trailer = mxf_write_footer,
3060 .flags = AVFMT_NOTIMESTAMPS,
3061 .interleave_packet = mxf_interleave,
3062 .priv_class = &mxf_d10_muxer_class,
3065 AVOutputFormat ff_mxf_opatom_muxer = {
3066 .name = "mxf_opatom",
3067 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"),
3068 .mime_type = "application/mxf",
3069 .extensions = "mxf",
3070 .priv_data_size = sizeof(MXFContext),
3071 .audio_codec = AV_CODEC_ID_PCM_S16LE,
3072 .video_codec = AV_CODEC_ID_DNXHD,
3073 .write_header = mxf_write_header,
3074 .write_packet = mxf_write_packet,
3075 .write_trailer = mxf_write_footer,
3076 .flags = AVFMT_NOTIMESTAMPS,
3077 .interleave_packet = mxf_interleave,
3078 .priv_class = &mxf_opatom_muxer_class,