3 * Copyright (c) 2008 GUCAS, Zhentan Feng <spyfeng at gmail dot com>
4 * Copyright (c) 2008 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
6 * This file is part of FFmpeg.
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 * signal_standard, color_siting, store_user_comments, sample rate and klv_fill_key version
25 * fixes sponsored by NOA GmbH
30 * SMPTE 336M KLV Data Encoding Protocol Using Key-Length-Value
31 * SMPTE 377M MXF File Format Specifications
32 * SMPTE 379M MXF Generic Container
33 * SMPTE 381M Mapping MPEG Streams into the MXF Generic Container
34 * SMPTE 422M Mapping JPEG 2000 Codestreams into the MXF Generic Container
35 * SMPTE RP210: SMPTE Metadata Dictionary
36 * SMPTE RP224: Registry of SMPTE Universal Labels
43 #include "libavutil/opt.h"
44 #include "libavutil/random_seed.h"
45 #include "libavutil/timecode.h"
46 #include "libavutil/avassert.h"
47 #include "libavutil/pixdesc.h"
48 #include "libavutil/time_internal.h"
49 #include "libavcodec/bytestream.h"
50 #include "libavcodec/dnxhddata.h"
51 #include "libavcodec/dv_profile.h"
52 #include "libavcodec/h264.h"
53 #include "libavcodec/internal.h"
54 #include "audiointerleave.h"
56 #include "avio_internal.h"
61 extern AVOutputFormat ff_mxf_d10_muxer;
62 extern AVOutputFormat ff_mxf_opatom_muxer;
64 #define EDIT_UNITS_PER_BODY 250
67 typedef struct MXFLocalTagPair {
72 typedef struct MXFIndexEntry {
75 unsigned slice_offset; ///< offset of audio slice
76 uint16_t temporal_ref;
79 typedef struct MXFStreamContext {
80 AudioInterleaveContext aic;
81 UID track_essence_element_key;
82 int index; ///< index in mxf_essence_container_uls table
84 int order; ///< interleaving order if dts are equal
85 int interlaced; ///< whether picture is interlaced
86 int field_dominance; ///< tff=1, bff=2
90 int h_chroma_sub_sample;
91 int temporal_reordering;
92 AVRational aspect_ratio; ///< display aspect ratio
93 int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
97 typedef struct MXFContainerEssenceEntry {
101 void (*write_desc)(AVFormatContext *, AVStream *);
102 } MXFContainerEssenceEntry;
108 INDEX_D10_625_50_50_VIDEO,
109 INDEX_D10_625_50_50_AUDIO,
110 INDEX_D10_525_60_50_VIDEO,
111 INDEX_D10_525_60_50_AUDIO,
112 INDEX_D10_625_50_40_VIDEO,
113 INDEX_D10_625_50_40_AUDIO,
114 INDEX_D10_525_60_40_VIDEO,
115 INDEX_D10_525_60_40_AUDIO,
116 INDEX_D10_625_50_30_VIDEO,
117 INDEX_D10_625_50_30_AUDIO,
118 INDEX_D10_525_60_30_VIDEO,
119 INDEX_D10_525_60_30_AUDIO,
123 INDEX_DV25_525_60_IEC,
124 INDEX_DV25_625_50_IEC,
131 INDEX_DNXHD_1080p_10bit_HIGH,
132 INDEX_DNXHD_1080p_8bit_MEDIUM,
133 INDEX_DNXHD_1080p_8bit_HIGH,
134 INDEX_DNXHD_1080i_10bit_HIGH,
135 INDEX_DNXHD_1080i_8bit_MEDIUM,
136 INDEX_DNXHD_1080i_8bit_HIGH,
137 INDEX_DNXHD_720p_10bit,
138 INDEX_DNXHD_720p_8bit_HIGH,
139 INDEX_DNXHD_720p_8bit_MEDIUM,
140 INDEX_DNXHD_720p_8bit_LOW,
145 static const struct {
148 } mxf_essence_mappings[] = {
149 { AV_CODEC_ID_MPEG2VIDEO, INDEX_MPEG2 },
150 { AV_CODEC_ID_PCM_S24LE, INDEX_AES3 },
151 { AV_CODEC_ID_PCM_S16LE, INDEX_AES3 },
152 { AV_CODEC_ID_DVVIDEO, INDEX_DV },
153 { AV_CODEC_ID_DNXHD, INDEX_DNXHD_1080p_10bit_HIGH },
154 { AV_CODEC_ID_JPEG2000, INDEX_JPEG2000 },
155 { AV_CODEC_ID_H264, INDEX_H264 },
159 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
160 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
161 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st);
162 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
163 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st);
165 static const MXFContainerEssenceEntry mxf_essence_container_uls[] = {
166 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
167 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
168 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
169 mxf_write_mpegvideo_desc },
170 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
171 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
172 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
173 mxf_write_aes3_desc },
174 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
175 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
176 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
177 mxf_write_wav_desc },
178 // D-10 625/50 PAL 50mb/s
179 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
180 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
181 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
182 mxf_write_cdci_desc },
183 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
184 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
185 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
186 mxf_write_generic_sound_desc },
187 // D-10 525/60 NTSC 50mb/s
188 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
189 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
190 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 },
191 mxf_write_cdci_desc },
192 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
193 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
194 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
195 mxf_write_generic_sound_desc },
196 // D-10 625/50 PAL 40mb/s
197 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
198 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
199 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 },
200 mxf_write_cdci_desc },
201 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
202 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
203 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
204 mxf_write_generic_sound_desc },
205 // D-10 525/60 NTSC 40mb/s
206 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
207 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
208 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 },
209 mxf_write_cdci_desc },
210 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
211 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
212 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
213 mxf_write_generic_sound_desc },
214 // D-10 625/50 PAL 30mb/s
215 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
216 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
217 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 },
218 mxf_write_cdci_desc },
219 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
220 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
221 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
222 mxf_write_generic_sound_desc },
223 // D-10 525/60 NTSC 30mb/s
224 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
225 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
226 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 },
227 mxf_write_cdci_desc },
228 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
229 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
230 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
231 mxf_write_generic_sound_desc },
233 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
234 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
235 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
236 mxf_write_cdci_desc },
239 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 },
240 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
241 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
242 mxf_write_cdci_desc },
244 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 },
245 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
246 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 },
247 mxf_write_cdci_desc },
250 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x01,0x01 },
251 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
252 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
253 mxf_write_cdci_desc },
255 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x02,0x01 },
256 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
257 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x02,0x00 },
258 mxf_write_cdci_desc },
261 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 },
262 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
263 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 },
264 mxf_write_cdci_desc },
266 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 },
267 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
268 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 },
269 mxf_write_cdci_desc },
271 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 },
272 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
273 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 },
274 mxf_write_cdci_desc },
276 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 },
277 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
278 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 },
279 mxf_write_cdci_desc },
281 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 },
282 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
283 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 },
284 mxf_write_cdci_desc },
286 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 },
287 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
288 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 },
289 mxf_write_cdci_desc },
290 // DNxHD 1080p 10bit high
291 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
292 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
293 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
294 mxf_write_cdci_desc },
295 // DNxHD 1080p 8bit medium
296 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
297 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
298 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 },
299 mxf_write_cdci_desc },
300 // DNxHD 1080p 8bit high
301 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
302 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
303 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 },
304 mxf_write_cdci_desc },
305 // DNxHD 1080i 10bit high
306 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
307 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
308 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 },
309 mxf_write_cdci_desc },
310 // DNxHD 1080i 8bit medium
311 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
312 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
313 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 },
314 mxf_write_cdci_desc },
315 // DNxHD 1080i 8bit high
316 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
317 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
318 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 },
319 mxf_write_cdci_desc },
321 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
322 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
323 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 },
324 mxf_write_cdci_desc },
325 // DNxHD 720p 8bit high
326 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
327 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
328 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 },
329 mxf_write_cdci_desc },
330 // DNxHD 720p 8bit medium
331 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
332 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
333 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 },
334 mxf_write_cdci_desc },
335 // DNxHD 720p 8bit low
336 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
337 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
338 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 },
339 mxf_write_cdci_desc },
341 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
342 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
343 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 },
344 mxf_write_cdci_desc },
346 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 },
347 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
348 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
349 mxf_write_mpegvideo_desc },
350 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
351 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
352 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
356 typedef struct MXFContext {
358 int64_t footer_partition_offset;
359 int essence_container_count;
360 AVRational time_base;
362 MXFIndexEntry *index_entries;
363 unsigned edit_units_count;
364 uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
365 uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
366 int last_indexed_edit_unit;
367 uint64_t *body_partition_offset;
368 unsigned body_partitions_count;
369 int last_key_index; ///< index of last key frame
371 AVTimecode tc; ///< timecode context
372 AVStream *timecode_track;
373 int timecode_base; ///< rounded time code base (25 or 30)
374 int edit_unit_byte_count; ///< fixed edit unit byte count
375 uint64_t body_offset;
376 uint32_t instance_number;
377 uint8_t umid[16]; ///< unique material identifier
380 uint32_t tagged_value_count;
381 AVRational audio_edit_rate;
382 int store_user_comments;
385 static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
386 static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
389 * complete key for operation pattern, partitions, and primer pack
391 static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
392 static const uint8_t opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 };
393 static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
394 static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
395 static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
396 static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
397 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
398 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
399 static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
400 static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
403 * partial key for header metadata
405 static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
406 static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
409 * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
410 * https://smpte-ra.org/sites/default/files/Labels.xml
412 static const MXFLocalTagPair mxf_local_tag_batch[] = {
414 { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
415 { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
416 { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
417 { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
418 { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
419 { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
420 { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
421 { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
423 { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
424 { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
425 { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
426 { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
427 { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
428 { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
430 { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
431 { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
432 // Essence Container Data
433 { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
434 { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
436 { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
437 { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
438 { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
439 { 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */
440 { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
441 { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
443 { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
444 { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
445 { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
446 { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
447 { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
449 { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
450 { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
451 { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
453 { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
454 { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
455 { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
456 // Timecode Component
457 { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
458 { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
459 { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
461 { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
462 { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
463 { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
464 { 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */
465 { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
466 // Generic Picture Essence Descriptor
467 { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
468 { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
469 { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
470 { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
471 { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
472 { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
473 { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */
474 { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
475 { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
476 { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
477 { 0x3215, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x05,0x01,0x13,0x00,0x00,0x00,0x00}}, /* Signal Standard */
478 // CDCI Picture Essence Descriptor
479 { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
480 { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
481 { 0x3303, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x06,0x00,0x00,0x00}}, /* Color Siting */
482 // Generic Sound Essence Descriptor
483 { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
484 { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
485 { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
486 { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
487 { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
488 // Index Table Segment
489 { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
490 { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
491 { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
492 { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
493 { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
494 { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
495 { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
496 { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
497 // MPEG video Descriptor
498 { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
499 { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
500 // Wave Audio Essence Descriptor
501 { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
502 { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
505 static const MXFLocalTagPair mxf_user_comments_local_tag[] = {
506 { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */
507 { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */
508 { 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */
511 static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
513 avio_write(pb, uuid_base, 12);
515 avio_wb16(pb, value);
518 static void mxf_write_umid(AVFormatContext *s, int type)
520 MXFContext *mxf = s->priv_data;
521 avio_write(s->pb, umid_ul, 13);
522 avio_wb24(s->pb, mxf->instance_number);
523 avio_write(s->pb, mxf->umid, 15);
524 avio_w8(s->pb, type);
527 static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
529 avio_wb32(pb, ref_count);
533 static int klv_ber_length(uint64_t len)
538 return (av_log2(len) >> 3) + 2;
541 static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
543 // Determine the best BER size
551 size = (av_log2(len) >> 3) + 1;
554 avio_w8(pb, 0x80 + size);
557 avio_w8(pb, len >> 8 * size & 0xff);
562 static void klv_encode_ber4_length(AVIOContext *pb, int len)
564 avio_w8(pb, 0x80 + 3);
568 static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
570 avio_w8(pb, 0x80 + 8);
575 * Get essence container ul index
577 static int mxf_get_essence_container_ul_index(enum AVCodecID id)
580 for (i = 0; mxf_essence_mappings[i].id; i++)
581 if (mxf_essence_mappings[i].id == id)
582 return mxf_essence_mappings[i].index;
586 static void mxf_write_primer_pack(AVFormatContext *s)
588 MXFContext *mxf = s->priv_data;
589 AVIOContext *pb = s->pb;
590 int local_tag_number, i = 0;
592 local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch);
593 local_tag_number += mxf->store_user_comments * FF_ARRAY_ELEMS(mxf_user_comments_local_tag);
595 avio_write(pb, primer_pack_key, 16);
596 klv_encode_ber_length(pb, local_tag_number * 18 + 8);
598 avio_wb32(pb, local_tag_number); // local_tag num
599 avio_wb32(pb, 18); // item size, always 18 according to the specs
601 for (i = 0; i < FF_ARRAY_ELEMS(mxf_local_tag_batch); i++) {
602 avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
603 avio_write(pb, mxf_local_tag_batch[i].uid, 16);
605 if (mxf->store_user_comments)
606 for (i = 0; i < FF_ARRAY_ELEMS(mxf_user_comments_local_tag); i++) {
607 avio_wb16(pb, mxf_user_comments_local_tag[i].local_tag);
608 avio_write(pb, mxf_user_comments_local_tag[i].uid, 16);
612 static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
618 static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
620 avio_write(pb, header_metadata_key, 13);
621 avio_wb24(pb, value);
624 static void mxf_free(AVFormatContext *s)
628 for (i = 0; i < s->nb_streams; i++) {
629 AVStream *st = s->streams[i];
630 av_freep(&st->priv_data);
634 static const MXFCodecUL *mxf_get_data_definition_ul(int type)
636 const MXFCodecUL *uls = ff_mxf_data_definition_uls;
637 while (uls->uid[0]) {
645 //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
646 #define DESCRIPTOR_COUNT(essence_container_count) \
647 (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
649 static void mxf_write_essence_container_refs(AVFormatContext *s)
651 MXFContext *c = s->priv_data;
652 AVIOContext *pb = s->pb;
655 mxf_write_refs_count(pb, DESCRIPTOR_COUNT(c->essence_container_count));
656 av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
657 for (i = 0; i < c->essence_container_count; i++) {
658 MXFStreamContext *sc = s->streams[i]->priv_data;
659 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
662 if (c->essence_container_count > 1)
663 avio_write(pb, multiple_desc_ul, 16);
666 static void mxf_write_preface(AVFormatContext *s)
668 MXFContext *mxf = s->priv_data;
669 AVIOContext *pb = s->pb;
671 mxf_write_metadata_key(pb, 0x012f00);
672 PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
673 klv_encode_ber_length(pb, 130 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
675 // write preface set uid
676 mxf_write_local_tag(pb, 16, 0x3C0A);
677 mxf_write_uuid(pb, Preface, 0);
678 PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
680 // last modified date
681 mxf_write_local_tag(pb, 8, 0x3B02);
682 avio_wb64(pb, mxf->timestamp);
685 mxf_write_local_tag(pb, 2, 0x3B05);
686 avio_wb16(pb, 258); // v1.2
688 // write identification_refs
689 mxf_write_local_tag(pb, 16 + 8, 0x3B06);
690 mxf_write_refs_count(pb, 1);
691 mxf_write_uuid(pb, Identification, 0);
693 // write content_storage_refs
694 mxf_write_local_tag(pb, 16, 0x3B03);
695 mxf_write_uuid(pb, ContentStorage, 0);
697 // operational pattern
698 mxf_write_local_tag(pb, 16, 0x3B09);
699 if (s->oformat == &ff_mxf_opatom_muxer)
700 avio_write(pb, opatom_ul, 16);
702 avio_write(pb, op1a_ul, 16);
704 // write essence_container_refs
705 mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A);
706 mxf_write_essence_container_refs(s);
708 // write dm_scheme_refs
709 mxf_write_local_tag(pb, 8, 0x3B0B);
714 * Returns the length of the UTF-16 string, in 16-bit characters, that would result
715 * from decoding the utf-8 string.
717 static uint64_t mxf_utf16len(const char *utf8_str)
719 const uint8_t *q = utf8_str;
723 GET_UTF8(ch, *q++, goto invalid;)
730 av_log(NULL, AV_LOG_ERROR, "Invalid UTF8 sequence in mxf_utf16len\n\n");
737 * Returns the calculated length a local tag containing an utf-8 string as utf-16
739 static int mxf_utf16_local_tag_length(const char *utf8_str)
746 size = mxf_utf16len(utf8_str);
747 if (size >= UINT16_MAX/2) {
748 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
756 * Write a local tag containing an utf-8 string as utf-16
758 static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
760 uint64_t size = mxf_utf16len(value);
762 if (size >= UINT16_MAX/2) {
763 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
767 mxf_write_local_tag(pb, size*2, tag);
768 avio_put_str16be(pb, value);
771 static void mxf_write_identification(AVFormatContext *s)
773 MXFContext *mxf = s->priv_data;
774 AVIOContext *pb = s->pb;
775 const char *company = "FFmpeg";
776 const char *product = s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer";
780 mxf_write_metadata_key(pb, 0x013000);
781 PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
783 version = s->flags & AVFMT_FLAG_BITEXACT ?
784 "0.0.0" : AV_STRINGIFY(LIBAVFORMAT_VERSION);
785 length = 72 + mxf_utf16_local_tag_length(company) +
786 mxf_utf16_local_tag_length(product) +
787 mxf_utf16_local_tag_length(version);
788 klv_encode_ber_length(pb, length);
791 mxf_write_local_tag(pb, 16, 0x3C0A);
792 mxf_write_uuid(pb, Identification, 0);
793 PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
795 // write generation uid
796 mxf_write_local_tag(pb, 16, 0x3C09);
797 mxf_write_uuid(pb, Identification, 1);
798 mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
799 mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
800 mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
803 mxf_write_local_tag(pb, 16, 0x3C05);
804 mxf_write_uuid(pb, Identification, 2);
807 mxf_write_local_tag(pb, 8, 0x3C06);
808 avio_wb64(pb, mxf->timestamp);
811 static void mxf_write_content_storage(AVFormatContext *s)
813 AVIOContext *pb = s->pb;
815 mxf_write_metadata_key(pb, 0x011800);
816 PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
817 klv_encode_ber_length(pb, 92);
820 mxf_write_local_tag(pb, 16, 0x3C0A);
821 mxf_write_uuid(pb, ContentStorage, 0);
822 PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
824 // write package reference
825 mxf_write_local_tag(pb, 16 * 2 + 8, 0x1901);
826 mxf_write_refs_count(pb, 2);
827 mxf_write_uuid(pb, MaterialPackage, 0);
828 mxf_write_uuid(pb, SourcePackage, 0);
830 // write essence container data
831 mxf_write_local_tag(pb, 8 + 16, 0x1902);
832 mxf_write_refs_count(pb, 1);
833 mxf_write_uuid(pb, EssenceContainerData, 0);
836 static void mxf_write_track(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
838 MXFContext *mxf = s->priv_data;
839 AVIOContext *pb = s->pb;
840 MXFStreamContext *sc = st->priv_data;
842 mxf_write_metadata_key(pb, 0x013b00);
843 PRINT_KEY(s, "track key", pb->buf_ptr - 16);
844 klv_encode_ber_length(pb, 80);
847 mxf_write_local_tag(pb, 16, 0x3C0A);
848 mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, st->index);
849 PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
852 mxf_write_local_tag(pb, 4, 0x4801);
853 avio_wb32(pb, st->index+2);
855 // write track number
856 mxf_write_local_tag(pb, 4, 0x4804);
857 if (type == MaterialPackage)
858 avio_wb32(pb, 0); // track number of material package is 0
860 avio_write(pb, sc->track_essence_element_key + 12, 4);
863 mxf_write_local_tag(pb, 8, 0x4B01);
865 if (st == mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer) {
866 avio_wb32(pb, mxf->tc.rate.num);
867 avio_wb32(pb, mxf->tc.rate.den);
869 avio_wb32(pb, mxf->time_base.den);
870 avio_wb32(pb, mxf->time_base.num);
874 mxf_write_local_tag(pb, 8, 0x4B02);
877 // write sequence refs
878 mxf_write_local_tag(pb, 16, 0x4803);
879 mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index);
882 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 };
884 static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
886 MXFContext *mxf = s->priv_data;
887 AVIOContext *pb = s->pb;
889 // find data define uls
890 mxf_write_local_tag(pb, 16, 0x0201);
891 if (st == mxf->timecode_track)
892 avio_write(pb, smpte_12m_timecode_track_data_ul, 16);
894 const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codecpar->codec_type);
895 avio_write(pb, data_def_ul->uid, 16);
899 mxf_write_local_tag(pb, 8, 0x0202);
901 if (st != mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer && st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
902 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
904 avio_wb64(pb, mxf->duration);
908 static void mxf_write_sequence(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
910 MXFContext *mxf = s->priv_data;
911 AVIOContext *pb = s->pb;
912 enum MXFMetadataSetType component;
914 mxf_write_metadata_key(pb, 0x010f00);
915 PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
916 klv_encode_ber_length(pb, 80);
918 mxf_write_local_tag(pb, 16, 0x3C0A);
919 mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index);
921 PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
922 mxf_write_common_fields(s, st);
924 // write structural component
925 mxf_write_local_tag(pb, 16 + 8, 0x1001);
926 mxf_write_refs_count(pb, 1);
927 if (st == mxf->timecode_track)
928 component = TimecodeComponent;
930 component = SourceClip;
931 if (type == SourcePackage)
932 component += TypeBottom;
933 mxf_write_uuid(pb, component, st->index);
936 static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
938 MXFContext *mxf = s->priv_data;
939 AVIOContext *pb = s->pb;
941 mxf_write_metadata_key(pb, 0x011400);
942 klv_encode_ber_length(pb, 75);
945 mxf_write_local_tag(pb, 16, 0x3C0A);
946 mxf_write_uuid(pb, type == MaterialPackage ? TimecodeComponent :
947 TimecodeComponent + TypeBottom, st->index);
949 mxf_write_common_fields(s, st);
952 mxf_write_local_tag(pb, 8, 0x1501);
953 avio_wb64(pb, mxf->tc.start);
955 // Rounded Time Code Base
956 mxf_write_local_tag(pb, 2, 0x1502);
957 avio_wb16(pb, mxf->timecode_base);
960 mxf_write_local_tag(pb, 1, 0x1503);
961 avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
964 static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
966 AVIOContext *pb = s->pb;
969 mxf_write_metadata_key(pb, 0x011100);
970 PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
971 klv_encode_ber_length(pb, 108);
974 mxf_write_local_tag(pb, 16, 0x3C0A);
975 mxf_write_uuid(pb, type == MaterialPackage ? SourceClip: SourceClip + TypeBottom, st->index);
977 PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
978 mxf_write_common_fields(s, st);
980 // write start_position
981 mxf_write_local_tag(pb, 8, 0x1201);
984 // write source package uid, end of the reference
985 mxf_write_local_tag(pb, 32, 0x1101);
986 if (type == SourcePackage) {
987 for (i = 0; i < 4; i++)
990 mxf_write_umid(s, 1);
992 // write source track id
993 mxf_write_local_tag(pb, 4, 0x1102);
994 if (type == SourcePackage)
997 avio_wb32(pb, st->index+2);
1000 static void mxf_write_multi_descriptor(AVFormatContext *s)
1002 MXFContext *mxf = s->priv_data;
1003 AVIOContext *pb = s->pb;
1007 mxf_write_metadata_key(pb, 0x014400);
1008 PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
1009 klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
1011 mxf_write_local_tag(pb, 16, 0x3C0A);
1012 mxf_write_uuid(pb, MultipleDescriptor, 0);
1013 PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
1015 // write sample rate
1016 mxf_write_local_tag(pb, 8, 0x3001);
1017 avio_wb32(pb, mxf->time_base.den);
1018 avio_wb32(pb, mxf->time_base.num);
1020 // write essence container ul
1021 mxf_write_local_tag(pb, 16, 0x3004);
1022 if (mxf->essence_container_count > 1)
1023 ul = multiple_desc_ul;
1025 MXFStreamContext *sc = s->streams[0]->priv_data;
1026 ul = mxf_essence_container_uls[sc->index].container_ul;
1028 avio_write(pb, ul, 16);
1030 // write sub descriptor refs
1031 mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01);
1032 mxf_write_refs_count(pb, s->nb_streams);
1033 for (i = 0; i < s->nb_streams; i++)
1034 mxf_write_uuid(pb, SubDescriptor, i);
1037 static void mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1039 MXFContext *mxf = s->priv_data;
1040 MXFStreamContext *sc = st->priv_data;
1041 AVIOContext *pb = s->pb;
1043 avio_write(pb, key, 16);
1044 klv_encode_ber4_length(pb, size+20+8+12+20);
1046 mxf_write_local_tag(pb, 16, 0x3C0A);
1047 mxf_write_uuid(pb, SubDescriptor, st->index);
1049 mxf_write_local_tag(pb, 4, 0x3006);
1050 avio_wb32(pb, st->index+2);
1052 mxf_write_local_tag(pb, 8, 0x3001);
1053 if (s->oformat == &ff_mxf_d10_muxer) {
1054 avio_wb32(pb, mxf->time_base.den);
1055 avio_wb32(pb, mxf->time_base.num);
1057 if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S16LE ||
1058 st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
1059 avio_wb32(pb, st->codecpar->sample_rate);
1062 avio_wb32(pb, mxf->time_base.den);
1063 avio_wb32(pb, mxf->time_base.num);
1067 mxf_write_local_tag(pb, 16, 0x3004);
1068 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
1071 static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
1072 static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
1073 static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
1074 static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
1075 static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
1077 static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1079 MXFStreamContext *sc = st->priv_data;
1080 AVIOContext *pb = s->pb;
1081 int stored_height = (st->codecpar->height+15)/16*16;
1084 unsigned desc_size = size+8+8+8+8+8+8+8+5+16+4+12+20+5;
1085 if (sc->interlaced && sc->field_dominance)
1087 if (sc->signal_standard)
1090 mxf_write_generic_desc(s, st, key, desc_size);
1092 mxf_write_local_tag(pb, 4, 0x3203);
1093 avio_wb32(pb, st->codecpar->width);
1095 mxf_write_local_tag(pb, 4, 0x3202);
1096 avio_wb32(pb, stored_height>>sc->interlaced);
1098 mxf_write_local_tag(pb, 4, 0x3209);
1099 avio_wb32(pb, st->codecpar->width);
1101 if (st->codecpar->height == 608) // PAL + VBI
1102 display_height = 576;
1103 else if (st->codecpar->height == 512) // NTSC + VBI
1104 display_height = 486;
1106 display_height = st->codecpar->height;
1108 mxf_write_local_tag(pb, 4, 0x3208);
1109 avio_wb32(pb, display_height>>sc->interlaced);
1111 // presentation Y offset
1112 mxf_write_local_tag(pb, 4, 0x320B);
1113 avio_wb32(pb, (st->codecpar->height - display_height)>>sc->interlaced);
1116 mxf_write_local_tag(pb, 4, 0x3301);
1117 avio_wb32(pb, sc->component_depth);
1119 // horizontal subsampling
1120 mxf_write_local_tag(pb, 4, 0x3302);
1121 avio_wb32(pb, sc->h_chroma_sub_sample);
1124 mxf_write_local_tag(pb, 1, 0x3303);
1125 avio_w8(pb, sc->color_siting);
1127 if (sc->signal_standard) {
1128 mxf_write_local_tag(pb, 1, 0x3215);
1129 avio_w8(pb, sc->signal_standard);
1133 mxf_write_local_tag(pb, 1, 0x320C);
1134 avio_w8(pb, sc->interlaced);
1137 switch (st->codecpar->height) {
1138 case 576: f1 = 23; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break;
1139 case 608: f1 = 7; f2 = 320; break;
1140 case 480: f1 = 20; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
1141 case 512: f1 = 7; f2 = 270; break;
1142 case 720: f1 = 26; f2 = 0; break; // progressive
1143 case 1080: f1 = 21; f2 = 584; break;
1144 default: f1 = 0; f2 = 0; break;
1147 if (!sc->interlaced) {
1153 mxf_write_local_tag(pb, 16, 0x320D);
1159 mxf_write_local_tag(pb, 8, 0x320E);
1160 avio_wb32(pb, sc->aspect_ratio.num);
1161 avio_wb32(pb, sc->aspect_ratio.den);
1163 mxf_write_local_tag(pb, 16, 0x3201);
1164 avio_write(pb, *sc->codec_ul, 16);
1166 if (sc->interlaced && sc->field_dominance) {
1167 mxf_write_local_tag(pb, 1, 0x3212);
1168 avio_w8(pb, sc->field_dominance);
1173 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
1175 mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key, 0);
1178 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
1180 AVIOContext *pb = s->pb;
1181 MXFStreamContext *sc = st->priv_data;
1182 int profile_and_level = (st->codecpar->profile<<4) | st->codecpar->level;
1184 if (st->codecpar->codec_id != AV_CODEC_ID_H264) {
1185 mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 8+5);
1188 mxf_write_local_tag(pb, 4, 0x8000);
1189 avio_wb32(pb, sc->video_bit_rate);
1191 // profile and level
1192 mxf_write_local_tag(pb, 1, 0x8007);
1193 if (!st->codecpar->profile)
1194 profile_and_level |= 0x80; // escape bit
1195 avio_w8(pb, profile_and_level);
1197 mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 0);
1201 static void mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1203 AVIOContext *pb = s->pb;
1204 MXFContext *mxf = s->priv_data;
1205 int show_warnings = !mxf->footer_partition_offset;
1206 int duration_size = 0;
1208 if (s->oformat == &ff_mxf_opatom_muxer)
1211 mxf_write_generic_desc(s, st, key, size+duration_size+5+12+8+8);
1213 if (duration_size > 0) {
1214 mxf_write_local_tag(pb, 8, 0x3002);
1215 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
1219 mxf_write_local_tag(pb, 1, 0x3D02);
1222 // write audio sampling rate
1223 mxf_write_local_tag(pb, 8, 0x3D03);
1224 avio_wb32(pb, st->codecpar->sample_rate);
1227 mxf_write_local_tag(pb, 4, 0x3D07);
1228 if (mxf->channel_count == -1) {
1229 if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codecpar->channels != 4) && (st->codecpar->channels != 8))
1230 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");
1231 avio_wb32(pb, st->codecpar->channels);
1232 } else if (s->oformat == &ff_mxf_d10_muxer) {
1233 if (show_warnings && (mxf->channel_count < st->codecpar->channels))
1234 av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1235 if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1236 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");
1237 avio_wb32(pb, mxf->channel_count);
1239 avio_wb32(pb, st->codecpar->channels);
1242 mxf_write_local_tag(pb, 4, 0x3D01);
1243 avio_wb32(pb, av_get_bits_per_sample(st->codecpar->codec_id));
1246 static void mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1248 AVIOContext *pb = s->pb;
1250 mxf_write_generic_sound_common(s, st, key, size+6+8);
1252 mxf_write_local_tag(pb, 2, 0x3D0A);
1253 avio_wb16(pb, st->codecpar->block_align);
1255 // avg bytes per sec
1256 mxf_write_local_tag(pb, 4, 0x3D09);
1257 avio_wb32(pb, st->codecpar->block_align*st->codecpar->sample_rate);
1260 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
1262 mxf_write_wav_common(s, st, mxf_wav_descriptor_key, 0);
1265 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
1267 mxf_write_wav_common(s, st, mxf_aes3_descriptor_key, 0);
1270 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
1272 mxf_write_generic_sound_common(s, st, mxf_generic_sound_descriptor_key, 0);
1275 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 };
1277 static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value)
1279 MXFContext *mxf = s->priv_data;
1280 AVIOContext *pb = s->pb;
1281 int name_size = mxf_utf16_local_tag_length(name);
1282 int indirect_value_size = 13 + mxf_utf16_local_tag_length(value);
1284 if (!name_size || indirect_value_size == 13)
1287 mxf_write_metadata_key(pb, 0x013f00);
1288 klv_encode_ber_length(pb, 24 + name_size + indirect_value_size);
1290 // write instance UID
1291 mxf_write_local_tag(pb, 16, 0x3C0A);
1292 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count);
1295 mxf_write_local_tag_utf16(pb, 0x5001, name); // Name
1297 // write indirect value
1298 mxf_write_local_tag(pb, indirect_value_size, 0x5003);
1299 avio_write(pb, mxf_indirect_value_utf16le, 17);
1300 avio_put_str16le(pb, value);
1302 mxf->tagged_value_count++;
1306 static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m)
1308 MXFContext *mxf = s->priv_data;
1309 AVDictionaryEntry *t = NULL;
1312 while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) {
1313 if (mxf->tagged_value_count >= UINT16_MAX) {
1314 av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n");
1318 if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0)
1324 static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type, const char *package_name)
1326 MXFContext *mxf = s->priv_data;
1327 AVIOContext *pb = s->pb;
1328 int i, track_count = s->nb_streams+1;
1329 int name_size = mxf_utf16_local_tag_length(package_name);
1330 int user_comment_count = 0;
1332 if (type == MaterialPackage) {
1333 if (mxf->store_user_comments)
1334 user_comment_count = mxf_write_user_comments(s, s->metadata);
1335 mxf_write_metadata_key(pb, 0x013600);
1336 PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1337 klv_encode_ber_length(pb, 92 + name_size + (16*track_count) + (16*user_comment_count) + 12LL*mxf->store_user_comments);
1339 mxf_write_metadata_key(pb, 0x013700);
1340 PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1341 klv_encode_ber_length(pb, 112 + name_size + (16*track_count) + 12LL*mxf->store_user_comments); // 20 bytes length for descriptor reference
1345 mxf_write_local_tag(pb, 16, 0x3C0A);
1346 mxf_write_uuid(pb, type, 0);
1347 av_log(s, AV_LOG_DEBUG, "package type:%d\n", type);
1348 PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1350 // write package umid
1351 mxf_write_local_tag(pb, 32, 0x4401);
1352 mxf_write_umid(s, type == SourcePackage);
1353 PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1357 mxf_write_local_tag_utf16(pb, 0x4402, package_name);
1359 // package creation date
1360 mxf_write_local_tag(pb, 8, 0x4405);
1361 avio_wb64(pb, mxf->timestamp);
1363 // package modified date
1364 mxf_write_local_tag(pb, 8, 0x4404);
1365 avio_wb64(pb, mxf->timestamp);
1368 mxf_write_local_tag(pb, track_count*16 + 8, 0x4403);
1369 mxf_write_refs_count(pb, track_count);
1370 mxf_write_uuid(pb, type == MaterialPackage ? Track :
1371 Track + TypeBottom, -1); // timecode track
1372 for (i = 0; i < s->nb_streams; i++)
1373 mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, i);
1375 // write user comment refs
1376 if (mxf->store_user_comments) {
1377 mxf_write_local_tag(pb, user_comment_count*16 + 8, 0x4406);
1378 mxf_write_refs_count(pb, user_comment_count);
1379 for (i = 0; i < user_comment_count; i++)
1380 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i);
1383 // write multiple descriptor reference
1384 if (type == SourcePackage) {
1385 mxf_write_local_tag(pb, 16, 0x4701);
1386 if (s->nb_streams > 1) {
1387 mxf_write_uuid(pb, MultipleDescriptor, 0);
1388 mxf_write_multi_descriptor(s);
1390 mxf_write_uuid(pb, SubDescriptor, 0);
1393 // write timecode track
1394 mxf_write_track(s, mxf->timecode_track, type);
1395 mxf_write_sequence(s, mxf->timecode_track, type);
1396 mxf_write_timecode_component(s, mxf->timecode_track, type);
1398 for (i = 0; i < s->nb_streams; i++) {
1399 AVStream *st = s->streams[i];
1400 mxf_write_track(s, st, type);
1401 mxf_write_sequence(s, st, type);
1402 mxf_write_structural_component(s, st, type);
1404 if (type == SourcePackage) {
1405 MXFStreamContext *sc = st->priv_data;
1406 mxf_essence_container_uls[sc->index].write_desc(s, st);
1411 static int mxf_write_essence_container_data(AVFormatContext *s)
1413 AVIOContext *pb = s->pb;
1415 mxf_write_metadata_key(pb, 0x012300);
1416 klv_encode_ber_length(pb, 72);
1418 mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID
1419 mxf_write_uuid(pb, EssenceContainerData, 0);
1421 mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID
1422 mxf_write_umid(s, 1);
1424 mxf_write_local_tag(pb, 4, 0x3F07); // BodySID
1427 mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID
1433 static int mxf_write_header_metadata_sets(AVFormatContext *s)
1435 const char *material_package_name = NULL;
1436 const char *file_package_name = NULL;
1437 AVDictionaryEntry *entry = NULL;
1438 AVStream *st = NULL;
1441 if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0))
1442 material_package_name = entry->value;
1444 if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) {
1445 file_package_name = entry->value;
1447 /* check if any of the streams contain a file_package_name */
1448 for (i = 0; i < s->nb_streams; i++) {
1450 if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) {
1451 file_package_name = entry->value;
1457 mxf_write_preface(s);
1458 mxf_write_identification(s);
1459 mxf_write_content_storage(s);
1460 mxf_write_package(s, MaterialPackage, material_package_name);
1461 mxf_write_package(s, SourcePackage, file_package_name);
1462 mxf_write_essence_container_data(s);
1466 static unsigned klv_fill_size(uint64_t size)
1468 unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1469 if (pad < 20) // smallest fill item possible
1470 return pad + KAG_SIZE;
1472 return pad & (KAG_SIZE-1);
1475 static void mxf_write_index_table_segment(AVFormatContext *s)
1477 MXFContext *mxf = s->priv_data;
1478 AVIOContext *pb = s->pb;
1479 int i, j, temporal_reordering = 0;
1480 int key_index = mxf->last_key_index;
1482 av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1484 if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1487 avio_write(pb, index_table_segment_key, 16);
1489 if (mxf->edit_unit_byte_count) {
1490 klv_encode_ber_length(pb, 80);
1492 klv_encode_ber_length(pb, 85 + 12+(s->nb_streams+1LL)*6 +
1493 12+mxf->edit_units_count*(11+mxf->slice_count*4LL));
1497 mxf_write_local_tag(pb, 16, 0x3C0A);
1498 mxf_write_uuid(pb, IndexTableSegment, 0);
1501 mxf_write_local_tag(pb, 8, 0x3F0B);
1502 avio_wb32(pb, mxf->time_base.den);
1503 avio_wb32(pb, mxf->time_base.num);
1505 // index start position
1506 mxf_write_local_tag(pb, 8, 0x3F0C);
1507 avio_wb64(pb, mxf->last_indexed_edit_unit);
1510 mxf_write_local_tag(pb, 8, 0x3F0D);
1511 if (mxf->edit_unit_byte_count)
1512 avio_wb64(pb, 0); // index table covers whole container
1514 avio_wb64(pb, mxf->edit_units_count);
1516 // edit unit byte count
1517 mxf_write_local_tag(pb, 4, 0x3F05);
1518 avio_wb32(pb, mxf->edit_unit_byte_count);
1521 mxf_write_local_tag(pb, 4, 0x3F06);
1525 mxf_write_local_tag(pb, 4, 0x3F07);
1528 if (!mxf->edit_unit_byte_count) {
1529 // real slice count - 1
1530 mxf_write_local_tag(pb, 1, 0x3F08);
1531 avio_w8(pb, mxf->slice_count);
1533 // delta entry array
1534 mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
1535 avio_wb32(pb, s->nb_streams+1); // num of entries
1536 avio_wb32(pb, 6); // size of one entry
1537 // write system item delta entry
1539 avio_w8(pb, 0); // slice entry
1540 avio_wb32(pb, 0); // element delta
1541 for (i = 0; i < s->nb_streams; i++) {
1542 AVStream *st = s->streams[i];
1543 MXFStreamContext *sc = st->priv_data;
1544 avio_w8(pb, sc->temporal_reordering);
1545 if (sc->temporal_reordering)
1546 temporal_reordering = 1;
1547 if (i == 0) { // video track
1548 avio_w8(pb, 0); // slice number
1549 avio_wb32(pb, KAG_SIZE); // system item size including klv fill
1550 } else { // audio track
1551 unsigned audio_frame_size = sc->aic.samples[0]*sc->aic.sample_size;
1552 audio_frame_size += klv_fill_size(audio_frame_size);
1554 avio_wb32(pb, (i-1)*audio_frame_size); // element delta
1558 mxf_write_local_tag(pb, 8 + mxf->edit_units_count*(11+mxf->slice_count*4), 0x3F0A);
1559 avio_wb32(pb, mxf->edit_units_count); // num of entries
1560 avio_wb32(pb, 11+mxf->slice_count*4); // size of one entry
1562 for (i = 0; i < mxf->edit_units_count; i++) {
1563 int temporal_offset = 0;
1565 if (!(mxf->index_entries[i].flags & 0x33)) { // I-frame
1566 mxf->last_key_index = key_index;
1570 if (temporal_reordering) {
1571 int pic_num_in_gop = i - key_index;
1572 if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
1573 for (j = key_index; j < mxf->edit_units_count; j++) {
1574 if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
1577 if (j == mxf->edit_units_count)
1578 av_log(s, AV_LOG_WARNING, "missing frames\n");
1579 temporal_offset = j - key_index - pic_num_in_gop;
1582 avio_w8(pb, temporal_offset);
1584 if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
1585 avio_w8(pb, mxf->last_key_index - i);
1587 avio_w8(pb, key_index - i); // key frame offset
1588 if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
1589 mxf->last_key_index = key_index;
1592 if (!(mxf->index_entries[i].flags & 0x33) && // I-frame
1593 mxf->index_entries[i].flags & 0x40 && !temporal_offset)
1594 mxf->index_entries[i].flags |= 0x80; // random access
1595 avio_w8(pb, mxf->index_entries[i].flags);
1597 avio_wb64(pb, mxf->index_entries[i].offset);
1598 if (s->nb_streams > 1)
1599 avio_wb32(pb, mxf->index_entries[i].slice_offset);
1602 mxf->last_key_index = key_index - mxf->edit_units_count;
1603 mxf->last_indexed_edit_unit += mxf->edit_units_count;
1604 mxf->edit_units_count = 0;
1608 static void mxf_write_klv_fill(AVFormatContext *s)
1610 unsigned pad = klv_fill_size(avio_tell(s->pb));
1612 avio_write(s->pb, klv_fill_key, 16);
1614 klv_encode_ber4_length(s->pb, pad);
1615 ffio_fill(s->pb, 0, pad);
1616 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
1620 static int mxf_write_partition(AVFormatContext *s, int bodysid,
1622 const uint8_t *key, int write_metadata)
1624 MXFContext *mxf = s->priv_data;
1625 AVIOContext *pb = s->pb;
1626 int64_t header_byte_count_offset;
1627 unsigned index_byte_count = 0;
1628 uint64_t partition_offset = avio_tell(pb);
1631 if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
1632 index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
1633 12+mxf->edit_units_count*(11+mxf->slice_count*4);
1634 else if (mxf->edit_unit_byte_count && indexsid)
1635 index_byte_count = 80;
1637 if (index_byte_count) {
1638 // add encoded ber length
1639 index_byte_count += 16 + klv_ber_length(index_byte_count);
1640 index_byte_count += klv_fill_size(index_byte_count);
1643 if (key && !memcmp(key, body_partition_key, 16)) {
1644 if ((err = av_reallocp_array(&mxf->body_partition_offset, mxf->body_partitions_count + 1,
1645 sizeof(*mxf->body_partition_offset))) < 0) {
1646 mxf->body_partitions_count = 0;
1649 mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
1654 avio_write(pb, key, 16);
1656 avio_write(pb, body_partition_key, 16);
1658 klv_encode_ber_length(pb, 88 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
1660 // write partition value
1661 avio_wb16(pb, 1); // majorVersion
1662 avio_wb16(pb, 2); // minorVersion
1663 avio_wb32(pb, KAG_SIZE); // KAGSize
1665 avio_wb64(pb, partition_offset); // ThisPartition
1667 if (key && !memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
1668 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
1669 else if (key && !memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
1670 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
1674 avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
1677 header_byte_count_offset = avio_tell(pb);
1678 avio_wb64(pb, 0); // headerByteCount, update later
1681 avio_wb64(pb, index_byte_count); // indexByteCount
1682 avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
1685 if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && s->oformat != &ff_mxf_opatom_muxer)
1686 avio_wb64(pb, mxf->body_offset);
1690 avio_wb32(pb, bodysid); // bodySID
1692 // operational pattern
1693 if (s->oformat == &ff_mxf_opatom_muxer)
1694 avio_write(pb, opatom_ul, 16);
1696 avio_write(pb, op1a_ul, 16);
1698 // essence container
1699 mxf_write_essence_container_refs(s);
1701 if (write_metadata) {
1702 // mark the start of the headermetadata and calculate metadata size
1704 unsigned header_byte_count;
1706 mxf_write_klv_fill(s);
1707 start = avio_tell(s->pb);
1708 mxf_write_primer_pack(s);
1709 mxf_write_header_metadata_sets(s);
1710 pos = avio_tell(s->pb);
1711 header_byte_count = pos - start + klv_fill_size(pos);
1713 // update header_byte_count
1714 avio_seek(pb, header_byte_count_offset, SEEK_SET);
1715 avio_wb64(pb, header_byte_count);
1716 avio_seek(pb, pos, SEEK_SET);
1725 static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st,
1728 MXFContext *mxf = s->priv_data;
1729 MXFStreamContext *sc = st->priv_data;
1731 uint8_t* header_cid;
1734 if (mxf->header_written)
1740 header_cid = pkt->data + 0x28;
1741 cid = header_cid[0] << 24 | header_cid[1] << 16 | header_cid[2] << 8 | header_cid[3];
1743 if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) < 0)
1745 if ((sc->interlaced = avpriv_dnxhd_get_interlaced(cid)) < 0)
1746 return AVERROR_INVALIDDATA;
1750 sc->index = INDEX_DNXHD_1080p_10bit_HIGH;
1751 sc->component_depth = 10;
1754 sc->index = INDEX_DNXHD_1080p_8bit_MEDIUM;
1757 sc->index = INDEX_DNXHD_1080p_8bit_HIGH;
1760 sc->index = INDEX_DNXHD_1080i_10bit_HIGH;
1761 sc->component_depth = 10;
1764 sc->index = INDEX_DNXHD_1080i_8bit_MEDIUM;
1767 sc->index = INDEX_DNXHD_1080i_8bit_HIGH;
1770 sc->index = INDEX_DNXHD_720p_10bit;
1771 sc->component_depth = 10;
1774 sc->index = INDEX_DNXHD_720p_8bit_HIGH;
1777 sc->index = INDEX_DNXHD_720p_8bit_MEDIUM;
1780 sc->index = INDEX_DNXHD_720p_8bit_LOW;
1786 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1787 sc->aspect_ratio = (AVRational){ 16, 9 };
1789 if (s->oformat == &ff_mxf_opatom_muxer) {
1790 mxf->edit_unit_byte_count = frame_size;
1794 mxf->edit_unit_byte_count = KAG_SIZE;
1795 for (i = 0; i < s->nb_streams; i++) {
1796 AVStream *st = s->streams[i];
1797 MXFStreamContext *sc = st->priv_data;
1798 if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
1799 mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1800 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1801 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
1802 mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1803 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1810 static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
1812 MXFContext *mxf = s->priv_data;
1813 MXFStreamContext *sc = st->priv_data;
1814 uint8_t *vs_pack, *vsc_pack;
1815 int i, ul_index, frame_size, stype, pal;
1816 const AVDVProfile *profile;
1818 if (mxf->header_written)
1821 // Check for minimal frame size
1822 if (pkt->size < 120000)
1825 profile = av_dv_frame_profile(NULL, pkt->data, pkt->size);
1827 vs_pack = pkt->data + 80*5 + 48;
1828 vsc_pack = pkt->data + 80*5 + 53;
1829 stype = vs_pack[3] & 0x1f;
1830 pal = (vs_pack[3] >> 5) & 0x1;
1832 if ((vsc_pack[2] & 0x07) == 0x02) {
1833 sc->aspect_ratio = (AVRational){ 16, 9 };
1835 sc->aspect_ratio = (AVRational){ 4, 3 };
1838 sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
1839 // TODO: fix dv encoder to set proper FF/FS value in VSC pack
1840 // and set field dominance accordingly
1841 // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
1844 case 0x18: // DV100 720p
1845 ul_index = INDEX_DV100_720_50 + pal;
1846 frame_size = pal ? 288000 : 240000;
1847 if (sc->interlaced) {
1848 av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
1852 case 0x14: // DV100 1080i
1853 ul_index = INDEX_DV100_1080_50 + pal;
1854 frame_size = pal ? 576000 : 480000;
1857 ul_index = INDEX_DV50_525_60 + pal;
1858 frame_size = pal ? 288000 : 240000;
1861 if (profile && profile->pix_fmt == AV_PIX_FMT_YUV420P && pal) {
1862 ul_index = INDEX_DV25_525_60_IEC + pal;
1863 frame_size = pal ? 144000 : 120000;
1866 ul_index = INDEX_DV25_525_60 + pal;
1867 frame_size = pal ? 144000 : 120000;
1870 sc->index = ul_index;
1871 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1873 if(s->oformat == &ff_mxf_opatom_muxer) {
1874 mxf->edit_unit_byte_count = frame_size;
1878 mxf->edit_unit_byte_count = KAG_SIZE;
1879 for (i = 0; i < s->nb_streams; i++) {
1880 AVStream *st = s->streams[i];
1881 MXFStreamContext *sc = st->priv_data;
1882 if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
1883 mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1884 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1885 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
1886 mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1887 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
1894 static const struct {
1899 } mxf_h264_codec_uls[] = {
1900 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x11,0x01 }, 0, 66, 0 }, // AVC Baseline, Unconstrained Coding
1901 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0 }, // AVC High 10 Intra
1902 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 0, 1 }, // AVC Intra 50 1080i60
1903 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 0, 1 }, // AVC Intra 50 1080i50
1904 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 0, 0 }, // AVC Intra 50 1080p30
1905 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 0, 0 }, // AVC Intra 50 1080p25
1906 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 0, 0 }, // AVC Intra 50 720p60
1907 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 0, 0 }, // AVC Intra 50 720p50
1908 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0 }, // AVC High 422 Intra
1909 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 0, 1 }, // AVC Intra 100 1080i60
1910 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 0, 1 }, // AVC Intra 100 1080i50
1911 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 0, 0 }, // AVC Intra 100 1080p30
1912 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 0, 0 }, // AVC Intra 100 1080p25
1913 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 0, 0 }, // AVC Intra 100 720p60
1914 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 0, 0 }, // AVC Intra 100 720p50
1917 static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st,
1918 AVPacket *pkt, MXFIndexEntry *e)
1920 MXFContext *mxf = s->priv_data;
1921 MXFStreamContext *sc = st->priv_data;
1922 static const int mxf_h264_num_codec_uls = sizeof(mxf_h264_codec_uls) / sizeof(mxf_h264_codec_uls[0]);
1923 const uint8_t *buf = pkt->data;
1924 const uint8_t *buf_end = pkt->data + pkt->size;
1925 uint32_t state = -1;
1926 int extra_size = 512; // support AVC Intra files without SPS/PPS header
1930 if (pkt->size > extra_size)
1931 buf_end -= pkt->size - extra_size; // no need to parse beyond SPS/PPS header
1934 buf = avpriv_find_start_code(buf, buf_end, &state);
1938 switch (state & 0x1f) {
1940 st->codecpar->profile = buf[1];
1944 if (e->flags & 0x40) { // sequence header present
1945 e->flags |= 0x80; // random access
1955 if (mxf->header_written)
1958 sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD
1959 sc->component_depth = 10; // AVC Intra is always 10 Bit
1960 sc->interlaced = st->codecpar->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0;
1962 sc->field_dominance = 1; // top field first is mandatory for AVC Intra
1965 frame_size = pkt->size + extra_size;
1966 for (i = 0; i < mxf_h264_num_codec_uls; i++) {
1967 if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) {
1968 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
1970 } else if (st->codecpar->profile == mxf_h264_codec_uls[i].profile) {
1971 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
1977 av_log(s, AV_LOG_ERROR, "AVC Intra 50/100 supported only\n");
1984 static const UID mxf_mpeg2_codec_uls[] = {
1985 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
1986 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
1987 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
1988 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
1989 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
1990 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
1991 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
1992 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
1993 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
1994 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
1997 static const UID *mxf_get_mpeg2_codec_ul(AVCodecParameters *par)
2001 if (par->profile == 4) { // Main
2002 if (par->level == 8) // Main
2003 return &mxf_mpeg2_codec_uls[0+long_gop];
2004 else if (par->level == 4) // High
2005 return &mxf_mpeg2_codec_uls[4+long_gop];
2006 else if (par->level == 6) // High 14
2007 return &mxf_mpeg2_codec_uls[8+long_gop];
2008 } else if (par->profile == 0) { // 422
2009 if (par->level == 5) // Main
2010 return &mxf_mpeg2_codec_uls[2+long_gop];
2011 else if (par->level == 2) // High
2012 return &mxf_mpeg2_codec_uls[6+long_gop];
2017 static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st,
2018 AVPacket *pkt, MXFIndexEntry *e)
2020 MXFStreamContext *sc = st->priv_data;
2024 for(i = 0; i < pkt->size - 4; i++) {
2025 c = (c<<8) + pkt->data[i];
2027 if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
2028 st->codecpar->profile = pkt->data[i+1] & 0x07;
2029 st->codecpar->level = pkt->data[i+2] >> 4;
2030 } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
2031 sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
2033 sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
2036 } else if (c == 0x1b8) { // gop
2037 if (pkt->data[i+4]>>6 & 0x01) { // closed
2039 if (e->flags & 0x40) // sequence header present
2040 e->flags |= 0x80; // random access
2042 } else if (c == 0x1b3) { // seq
2044 switch ((pkt->data[i+4]>>4) & 0xf) {
2045 case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
2046 case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
2047 case 4: sc->aspect_ratio = (AVRational){221,100}; break;
2049 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
2050 st->codecpar->width, st->codecpar->height, 1024*1024);
2052 } else if (c == 0x100) { // pic
2053 int pict_type = (pkt->data[i+2]>>3) & 0x07;
2054 e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2055 if (pict_type == 2) { // P-frame
2057 sc->closed_gop = 0; // reset closed GOP, don't matter anymore
2058 } else if (pict_type == 3) { // B-frame
2060 e->flags |= 0x13; // only backward prediction
2063 sc->temporal_reordering = -1;
2064 } else if (!pict_type) {
2065 av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
2070 if (s->oformat != &ff_mxf_d10_muxer)
2071 sc->codec_ul = mxf_get_mpeg2_codec_ul(st->codecpar);
2072 return !!sc->codec_ul;
2075 static uint64_t mxf_parse_timestamp(time_t timestamp)
2078 struct tm *time = gmtime_r(×tamp, &tmbuf);
2081 return (uint64_t)(time->tm_year+1900) << 48 |
2082 (uint64_t)(time->tm_mon+1) << 40 |
2083 (uint64_t) time->tm_mday << 32 |
2084 time->tm_hour << 24 |
2085 time->tm_min << 16 |
2089 static void mxf_gen_umid(AVFormatContext *s)
2091 MXFContext *mxf = s->priv_data;
2092 uint32_t seed = av_get_random_seed();
2093 uint64_t umid = seed + 0x5294713400000000LL;
2095 AV_WB64(mxf->umid , umid);
2096 AV_WB64(mxf->umid+8, umid>>8);
2098 mxf->instance_number = seed & 0xFFFFFF;
2101 static int mxf_init_timecode(AVFormatContext *s, AVStream *st, AVRational rate)
2103 MXFContext *mxf = s->priv_data;
2104 AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
2106 tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
2109 return av_timecode_init_from_string(&mxf->tc, rate, tcr->value, s);
2111 return av_timecode_init(&mxf->tc, rate, 0, 0, s);
2114 static int mxf_write_header(AVFormatContext *s)
2116 MXFContext *mxf = s->priv_data;
2118 uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
2119 const MXFSamplesPerFrame *spf = NULL;
2120 int64_t timestamp = 0;
2125 if (s->oformat == &ff_mxf_opatom_muxer && s->nb_streams !=1) {
2126 av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n");
2130 if (!av_dict_get(s->metadata, "comment_", NULL, AV_DICT_IGNORE_SUFFIX))
2131 mxf->store_user_comments = 0;
2133 for (i = 0; i < s->nb_streams; i++) {
2134 AVStream *st = s->streams[i];
2135 MXFStreamContext *sc = av_mallocz(sizeof(*sc));
2137 return AVERROR(ENOMEM);
2140 if (((i == 0) ^ (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)) && s->oformat != &ff_mxf_opatom_muxer) {
2141 av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
2145 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2146 const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codecpar->format);
2147 // TODO: should be avg_frame_rate
2148 AVRational rate, tbc = st->time_base;
2149 // Default component depth to 8
2150 sc->component_depth = 8;
2151 sc->h_chroma_sub_sample = 2;
2152 sc->color_siting = 0xFF;
2155 sc->component_depth = pix_desc->comp[0].depth;
2156 sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w;
2158 switch (ff_choose_chroma_location(s, st)) {
2159 case AVCHROMA_LOC_TOPLEFT: sc->color_siting = 0; break;
2160 case AVCHROMA_LOC_LEFT: sc->color_siting = 6; break;
2161 case AVCHROMA_LOC_TOP: sc->color_siting = 1; break;
2162 case AVCHROMA_LOC_CENTER: sc->color_siting = 3; break;
2165 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2166 spf = ff_mxf_get_samples_per_frame(s, tbc);
2168 av_log(s, AV_LOG_ERROR, "Unsupported video frame rate %d/%d\n",
2170 return AVERROR(EINVAL);
2172 mxf->time_base = spf->time_base;
2173 rate = av_inv_q(mxf->time_base);
2174 avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
2175 if((ret = mxf_init_timecode(s, st, rate)) < 0)
2178 sc->video_bit_rate = st->codecpar->bit_rate;
2179 if (s->oformat == &ff_mxf_d10_muxer) {
2180 if (st->codecpar->codec_id != AV_CODEC_ID_MPEG2VIDEO) {
2181 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support MPEG-2 Video\n");
2182 return AVERROR(EINVAL);
2184 if ((sc->video_bit_rate == 50000000) && (mxf->time_base.den == 25)) {
2185 sc->index = INDEX_D10_625_50_50_VIDEO;
2186 } else if ((sc->video_bit_rate == 49999840 || sc->video_bit_rate == 50000000) && (mxf->time_base.den != 25)) {
2187 sc->index = INDEX_D10_525_60_50_VIDEO;
2188 } else if (sc->video_bit_rate == 40000000) {
2189 if (mxf->time_base.den == 25) sc->index = INDEX_D10_625_50_40_VIDEO;
2190 else sc->index = INDEX_D10_525_60_40_VIDEO;
2191 } else if (sc->video_bit_rate == 30000000) {
2192 if (mxf->time_base.den == 25) sc->index = INDEX_D10_625_50_30_VIDEO;
2193 else sc->index = INDEX_D10_525_60_30_VIDEO;
2195 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
2199 mxf->edit_unit_byte_count = KAG_SIZE; // system element
2200 mxf->edit_unit_byte_count += 16 + 4 + (uint64_t)sc->video_bit_rate *
2201 mxf->time_base.num / (8*mxf->time_base.den);
2202 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2203 mxf->edit_unit_byte_count += 16 + 4 + 4 + spf->samples_per_frame[0]*8*4;
2204 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2206 sc->signal_standard = 1;
2208 if (mxf->signal_standard >= 0)
2209 sc->signal_standard = mxf->signal_standard;
2210 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2211 if (st->codecpar->sample_rate != 48000) {
2212 av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
2215 avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
2216 if (s->oformat == &ff_mxf_d10_muxer) {
2217 if (st->index != 1) {
2218 av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
2221 if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2222 st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) {
2223 av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
2225 sc->index = ((MXFStreamContext*)s->streams[0]->priv_data)->index + 1;
2226 } else if (s->oformat == &ff_mxf_opatom_muxer) {
2227 AVRational tbc = av_inv_q(mxf->audio_edit_rate);
2229 if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2230 st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) {
2231 av_log(s, AV_LOG_ERROR, "Only pcm_s16le and pcm_s24le audio codecs are implemented\n");
2232 return AVERROR_PATCHWELCOME;
2234 if (st->codecpar->channels != 1) {
2235 av_log(s, AV_LOG_ERROR, "MXF OPAtom only supports single channel audio\n");
2236 return AVERROR(EINVAL);
2239 spf = ff_mxf_get_samples_per_frame(s, tbc);
2241 av_log(s, AV_LOG_ERROR, "Unsupported timecode frame rate %d/%d\n", tbc.den, tbc.num);
2242 return AVERROR(EINVAL);
2245 mxf->time_base = st->time_base;
2246 if((ret = mxf_init_timecode(s, st, av_inv_q(spf->time_base))) < 0)
2249 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2250 mxf->edit_unit_byte_count = (av_get_bits_per_sample(st->codecpar->codec_id) * st->codecpar->channels) >> 3;
2251 sc->index = INDEX_WAV;
2253 mxf->slice_count = 1;
2258 sc->index = mxf_get_essence_container_ul_index(st->codecpar->codec_id);
2259 if (sc->index == -1) {
2260 av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
2261 "codec not currently supported in container\n", i);
2266 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2268 memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
2269 sc->track_essence_element_key[15] = present[sc->index];
2270 PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
2272 if (!present[sc->index])
2273 mxf->essence_container_count++;
2274 present[sc->index]++;
2277 if (s->oformat == &ff_mxf_d10_muxer || s->oformat == &ff_mxf_opatom_muxer) {
2278 mxf->essence_container_count = 1;
2281 if (!(s->flags & AVFMT_FLAG_BITEXACT))
2284 for (i = 0; i < s->nb_streams; i++) {
2285 MXFStreamContext *sc = s->streams[i]->priv_data;
2286 // update element count
2287 sc->track_essence_element_key[13] = present[sc->index];
2288 if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[15].element_ul, 13)) // DV
2289 sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
2291 sc->order = AV_RB32(sc->track_essence_element_key+12);
2294 if (ff_parse_creation_time_metadata(s, ×tamp, 1) > 0)
2295 mxf->timestamp = mxf_parse_timestamp(timestamp);
2298 mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
2299 if (!mxf->timecode_track)
2300 return AVERROR(ENOMEM);
2301 mxf->timecode_track->priv_data = av_mallocz(sizeof(MXFStreamContext));
2302 if (!mxf->timecode_track->priv_data)
2303 return AVERROR(ENOMEM);
2304 mxf->timecode_track->index = -1;
2307 spf = ff_mxf_get_samples_per_frame(s, (AVRational){ 1, 25 });
2309 if (ff_audio_interleave_init(s, spf->samples_per_frame, mxf->time_base) < 0)
2315 static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
2316 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 };
2318 static void mxf_write_system_item(AVFormatContext *s)
2320 MXFContext *mxf = s->priv_data;
2321 AVIOContext *pb = s->pb;
2325 frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2327 // write system metadata pack
2328 avio_write(pb, system_metadata_pack_key, 16);
2329 klv_encode_ber4_length(pb, 57);
2330 avio_w8(pb, 0x5c); // UL, user date/time stamp, picture and sound item present
2331 avio_w8(pb, 0x04); // content package rate
2332 avio_w8(pb, 0x00); // content package type
2333 avio_wb16(pb, 0x00); // channel handle
2334 avio_wb16(pb, (mxf->tc.start + frame) & 0xFFFF); // continuity count, supposed to overflow
2335 if (mxf->essence_container_count > 1)
2336 avio_write(pb, multiple_desc_ul, 16);
2338 MXFStreamContext *sc = s->streams[0]->priv_data;
2339 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
2343 avio_wb64(pb, 0); // creation date/time stamp
2345 avio_w8(pb, 0x81); // SMPTE 12M time code
2346 time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
2347 avio_wb32(pb, time_code);
2348 avio_wb32(pb, 0); // binary group data
2351 // write system metadata package set
2352 avio_write(pb, system_metadata_package_set_key, 16);
2353 klv_encode_ber4_length(pb, 35);
2354 avio_w8(pb, 0x83); // UMID
2355 avio_wb16(pb, 0x20);
2356 mxf_write_umid(s, 1);
2359 static void mxf_write_d10_video_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2361 MXFContext *mxf = s->priv_data;
2362 AVIOContext *pb = s->pb;
2363 MXFStreamContext *sc = st->priv_data;
2364 int packet_size = (uint64_t)sc->video_bit_rate*mxf->time_base.num /
2365 (8*mxf->time_base.den); // frame size
2368 packet_size += 16 + 4;
2369 packet_size += klv_fill_size(packet_size);
2371 klv_encode_ber4_length(pb, pkt->size);
2372 avio_write(pb, pkt->data, pkt->size);
2374 // ensure CBR muxing by padding to correct video frame size
2375 pad = packet_size - pkt->size - 16 - 4;
2377 avio_write(s->pb, klv_fill_key, 16);
2379 klv_encode_ber4_length(s->pb, pad);
2380 ffio_fill(s->pb, 0, pad);
2381 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
2383 av_log(s, AV_LOG_WARNING, "cannot fill d-10 video packet\n");
2384 ffio_fill(s->pb, 0, pad);
2388 static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2390 MXFContext *mxf = s->priv_data;
2391 AVIOContext *pb = s->pb;
2392 int frame_size = pkt->size / st->codecpar->block_align;
2393 uint8_t *samples = pkt->data;
2394 uint8_t *end = pkt->data + pkt->size;
2397 klv_encode_ber4_length(pb, 4 + frame_size*4*8);
2399 avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
2400 avio_wl16(pb, frame_size);
2401 avio_w8(pb, (1<<st->codecpar->channels)-1);
2403 while (samples < end) {
2404 for (i = 0; i < st->codecpar->channels; i++) {
2406 if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
2407 sample = AV_RL24(samples)<< 4;
2410 sample = AV_RL16(samples)<<12;
2413 avio_wl32(pb, sample | i);
2420 static int mxf_write_opatom_body_partition(AVFormatContext *s)
2422 MXFContext *mxf = s->priv_data;
2423 AVIOContext *pb = s->pb;
2424 AVStream *st = s->streams[0];
2425 MXFStreamContext *sc = st->priv_data;
2426 const uint8_t *key = NULL;
2430 if (!mxf->header_written)
2431 key = body_partition_key;
2433 if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0)
2435 mxf_write_klv_fill(s);
2436 avio_write(pb, sc->track_essence_element_key, 16);
2437 klv_encode_ber9_length(pb, mxf->body_offset);
2441 static int mxf_write_opatom_packet(AVFormatContext *s, AVPacket *pkt, MXFIndexEntry *ie)
2443 MXFContext *mxf = s->priv_data;
2444 AVIOContext *pb = s->pb;
2448 if (!mxf->header_written) {
2449 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2451 mxf_write_klv_fill(s);
2453 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2455 mxf->header_written = 1;
2458 if (!mxf->edit_unit_byte_count) {
2459 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2460 mxf->index_entries[mxf->edit_units_count].flags = ie->flags;
2461 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie->temporal_ref;
2463 mxf->edit_units_count++;
2464 avio_write(pb, pkt->data, pkt->size);
2465 mxf->body_offset += pkt->size;
2471 static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
2473 MXFContext *mxf = s->priv_data;
2474 AVIOContext *pb = s->pb;
2475 AVStream *st = s->streams[pkt->stream_index];
2476 MXFStreamContext *sc = st->priv_data;
2477 MXFIndexEntry ie = {0};
2480 if (!mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) {
2481 if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
2482 + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
2483 mxf->edit_units_count = 0;
2484 av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
2489 if (st->codecpar->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2490 if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
2491 av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
2494 } else if (st->codecpar->codec_id == AV_CODEC_ID_DNXHD) {
2495 if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
2496 av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
2499 } else if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) {
2500 if (!mxf_parse_dv_frame(s, st, pkt)) {
2501 av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
2504 } else if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
2505 if (!mxf_parse_h264_frame(s, st, pkt, &ie)) {
2506 av_log(s, AV_LOG_ERROR, "could not get h264 profile\n");
2511 if (s->oformat == &ff_mxf_opatom_muxer)
2512 return mxf_write_opatom_packet(s, pkt, &ie);
2514 if (!mxf->header_written) {
2515 if (mxf->edit_unit_byte_count) {
2516 if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
2518 mxf_write_klv_fill(s);
2519 mxf_write_index_table_segment(s);
2521 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2524 mxf->header_written = 1;
2527 if (st->index == 0) {
2528 if (!mxf->edit_unit_byte_count &&
2529 (!mxf->edit_units_count || mxf->edit_units_count > EDIT_UNITS_PER_BODY) &&
2530 !(ie.flags & 0x33)) { // I-frame, GOP start
2531 mxf_write_klv_fill(s);
2532 if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
2534 mxf_write_klv_fill(s);
2535 mxf_write_index_table_segment(s);
2538 mxf_write_klv_fill(s);
2539 mxf_write_system_item(s);
2541 if (!mxf->edit_unit_byte_count) {
2542 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2543 mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
2544 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie.temporal_ref;
2545 mxf->body_offset += KAG_SIZE; // size of system element
2547 mxf->edit_units_count++;
2548 } else if (!mxf->edit_unit_byte_count && st->index == 1) {
2549 if (!mxf->edit_units_count) {
2550 av_log(s, AV_LOG_ERROR, "No packets in first stream\n");
2551 return AVERROR_PATCHWELCOME;
2553 mxf->index_entries[mxf->edit_units_count-1].slice_offset =
2554 mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
2557 mxf_write_klv_fill(s);
2558 avio_write(pb, sc->track_essence_element_key, 16); // write key
2559 if (s->oformat == &ff_mxf_d10_muxer) {
2560 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
2561 mxf_write_d10_video_packet(s, st, pkt);
2563 mxf_write_d10_audio_packet(s, st, pkt);
2565 klv_encode_ber4_length(pb, pkt->size); // write length
2566 avio_write(pb, pkt->data, pkt->size);
2567 mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
2575 static void mxf_write_random_index_pack(AVFormatContext *s)
2577 MXFContext *mxf = s->priv_data;
2578 AVIOContext *pb = s->pb;
2579 uint64_t pos = avio_tell(pb);
2582 avio_write(pb, random_index_pack_key, 16);
2583 klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
2585 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer)
2586 avio_wb32(pb, 1); // BodySID of header partition
2589 avio_wb64(pb, 0); // offset of header partition
2591 for (i = 0; i < mxf->body_partitions_count; i++) {
2592 avio_wb32(pb, 1); // BodySID
2593 avio_wb64(pb, mxf->body_partition_offset[i]);
2596 avio_wb32(pb, 0); // BodySID of footer partition
2597 avio_wb64(pb, mxf->footer_partition_offset);
2599 avio_wb32(pb, avio_tell(pb) - pos + 4);
2602 static int mxf_write_footer(AVFormatContext *s)
2604 MXFContext *mxf = s->priv_data;
2605 AVIOContext *pb = s->pb;
2608 if (!mxf->header_written ||
2609 (s->oformat == &ff_mxf_opatom_muxer && !mxf->body_partition_offset)) {
2610 /* reason could be invalid options/not supported codec/out of memory */
2611 err = AVERROR_UNKNOWN;
2615 mxf->duration = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2617 mxf_write_klv_fill(s);
2618 mxf->footer_partition_offset = avio_tell(pb);
2619 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { // no need to repeat index
2620 if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
2623 if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
2625 mxf_write_klv_fill(s);
2626 mxf_write_index_table_segment(s);
2629 mxf_write_klv_fill(s);
2630 mxf_write_random_index_pack(s);
2632 if (s->pb->seekable & AVIO_SEEKABLE_NORMAL) {
2633 if (s->oformat == &ff_mxf_opatom_muxer) {
2634 /* rewrite body partition to update lengths */
2635 avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET);
2636 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2640 avio_seek(pb, 0, SEEK_SET);
2641 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) {
2642 if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
2644 mxf_write_klv_fill(s);
2645 mxf_write_index_table_segment(s);
2647 if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
2653 ff_audio_interleave_close(s);
2655 av_freep(&mxf->index_entries);
2656 av_freep(&mxf->body_partition_offset);
2657 av_freep(&mxf->timecode_track->priv_data);
2658 av_freep(&mxf->timecode_track);
2662 return err < 0 ? err : 0;
2665 static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
2667 int i, stream_count = 0;
2669 for (i = 0; i < s->nb_streams; i++)
2670 stream_count += !!s->streams[i]->last_in_packet_buffer;
2672 if (stream_count && (s->nb_streams == stream_count || flush)) {
2673 AVPacketList *pktl = s->internal->packet_buffer;
2674 if (s->nb_streams != stream_count) {
2675 AVPacketList *last = NULL;
2676 // find last packet in edit unit
2678 if (!stream_count || pktl->pkt.stream_index == 0)
2684 // purge packet queue
2686 AVPacketList *next = pktl->next;
2688 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2689 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
2690 av_packet_unref(&pktl->pkt);
2697 s->internal->packet_buffer = NULL;
2698 s->internal->packet_buffer_end= NULL;
2701 pktl = s->internal->packet_buffer;
2705 av_log(s, AV_LOG_TRACE, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts);
2706 s->internal->packet_buffer = pktl->next;
2707 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2708 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
2709 if(!s->internal->packet_buffer)
2710 s->internal->packet_buffer_end= NULL;
2715 av_init_packet(out);
2720 static int mxf_compare_timestamps(AVFormatContext *s, AVPacket *next, AVPacket *pkt)
2722 MXFStreamContext *sc = s->streams[pkt ->stream_index]->priv_data;
2723 MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
2725 return next->dts > pkt->dts ||
2726 (next->dts == pkt->dts && sc->order < sc2->order);
2729 static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
2731 return ff_audio_rechunk_interleave(s, out, pkt, flush,
2732 mxf_interleave_get_packet, mxf_compare_timestamps);
2735 #define MXF_COMMON_OPTIONS \
2736 { "signal_standard", "Force/set Sigal Standard",\
2737 offsetof(MXFContext, signal_standard), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2738 { "bt601", "ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)",\
2739 0, AV_OPT_TYPE_CONST, {.i64 = 1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2740 { "bt1358", "ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)",\
2741 0, AV_OPT_TYPE_CONST, {.i64 = 2}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2742 { "smpte347m", "SMPTE 347M (540 Mbps mappings)",\
2743 0, AV_OPT_TYPE_CONST, {.i64 = 3}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2744 { "smpte274m", "SMPTE 274M (1125 line)",\
2745 0, AV_OPT_TYPE_CONST, {.i64 = 4}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2746 { "smpte296m", "SMPTE 296M (750 line progressive)",\
2747 0, AV_OPT_TYPE_CONST, {.i64 = 5}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2748 { "smpte349m", "SMPTE 349M (1485 Mbps mappings)",\
2749 0, AV_OPT_TYPE_CONST, {.i64 = 6}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2750 { "smpte428", "SMPTE 428-1 DCDM",\
2751 0, AV_OPT_TYPE_CONST, {.i64 = 7}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},
2755 static const AVOption mxf_options[] = {
2757 { "store_user_comments", "",
2758 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
2762 static const AVClass mxf_muxer_class = {
2763 .class_name = "MXF muxer",
2764 .item_name = av_default_item_name,
2765 .option = mxf_options,
2766 .version = LIBAVUTIL_VERSION_INT,
2769 static const AVOption d10_options[] = {
2770 { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
2771 offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
2773 { "store_user_comments", "",
2774 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
2778 static const AVClass mxf_d10_muxer_class = {
2779 .class_name = "MXF-D10 muxer",
2780 .item_name = av_default_item_name,
2781 .option = d10_options,
2782 .version = LIBAVUTIL_VERSION_INT,
2785 static const AVOption opatom_options[] = {
2786 { "mxf_audio_edit_rate", "Audio edit rate for timecode",
2787 offsetof(MXFContext, audio_edit_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
2792 static const AVClass mxf_opatom_muxer_class = {
2793 .class_name = "MXF-OPAtom muxer",
2794 .item_name = av_default_item_name,
2795 .option = opatom_options,
2796 .version = LIBAVUTIL_VERSION_INT,
2799 AVOutputFormat ff_mxf_muxer = {
2801 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
2802 .mime_type = "application/mxf",
2803 .extensions = "mxf",
2804 .priv_data_size = sizeof(MXFContext),
2805 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2806 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2807 .write_header = mxf_write_header,
2808 .write_packet = mxf_write_packet,
2809 .write_trailer = mxf_write_footer,
2810 .flags = AVFMT_NOTIMESTAMPS,
2811 .interleave_packet = mxf_interleave,
2812 .priv_class = &mxf_muxer_class,
2815 AVOutputFormat ff_mxf_d10_muxer = {
2817 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
2818 .mime_type = "application/mxf",
2819 .priv_data_size = sizeof(MXFContext),
2820 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2821 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2822 .write_header = mxf_write_header,
2823 .write_packet = mxf_write_packet,
2824 .write_trailer = mxf_write_footer,
2825 .flags = AVFMT_NOTIMESTAMPS,
2826 .interleave_packet = mxf_interleave,
2827 .priv_class = &mxf_d10_muxer_class,
2830 AVOutputFormat ff_mxf_opatom_muxer = {
2831 .name = "mxf_opatom",
2832 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"),
2833 .mime_type = "application/mxf",
2834 .extensions = "mxf",
2835 .priv_data_size = sizeof(MXFContext),
2836 .audio_codec = AV_CODEC_ID_PCM_S16LE,
2837 .video_codec = AV_CODEC_ID_DNXHD,
2838 .write_header = mxf_write_header,
2839 .write_packet = mxf_write_packet,
2840 .write_trailer = mxf_write_footer,
2841 .flags = AVFMT_NOTIMESTAMPS,
2842 .interleave_packet = mxf_interleave,
2843 .priv_class = &mxf_opatom_muxer_class,