3 * Copyright (c) 2008 GUCAS, Zhentan Feng <spyfeng at gmail dot com>
4 * Copyright (c) 2008 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
6 * This file is part of FFmpeg.
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 * signal_standard, color_siting, store_user_comments, sample rate and klv_fill_key version
25 * fixes sponsored by NOA GmbH
30 * SMPTE 336M KLV Data Encoding Protocol Using Key-Length-Value
31 * SMPTE 377M MXF File Format Specifications
32 * SMPTE 379M MXF Generic Container
33 * SMPTE 381M Mapping MPEG Streams into the MXF Generic Container
34 * SMPTE 422M Mapping JPEG 2000 Codestreams into the MXF Generic Container
35 * SMPTE RP210: SMPTE Metadata Dictionary
36 * SMPTE RP224: Registry of SMPTE Universal Labels
43 #include "libavutil/opt.h"
44 #include "libavutil/random_seed.h"
45 #include "libavutil/timecode.h"
46 #include "libavutil/avassert.h"
47 #include "libavutil/pixdesc.h"
48 #include "libavutil/time_internal.h"
49 #include "libavcodec/bytestream.h"
50 #include "libavcodec/dnxhddata.h"
51 #include "libavcodec/dv_profile.h"
52 #include "libavcodec/h264.h"
53 #include "libavcodec/internal.h"
54 #include "audiointerleave.h"
56 #include "avio_internal.h"
61 extern AVOutputFormat ff_mxf_d10_muxer;
62 extern AVOutputFormat ff_mxf_opatom_muxer;
64 #define EDIT_UNITS_PER_BODY 250
67 typedef struct MXFLocalTagPair {
72 typedef struct MXFIndexEntry {
75 unsigned slice_offset; ///< offset of audio slice
76 uint16_t temporal_ref;
79 typedef struct MXFStreamContext {
80 AudioInterleaveContext aic;
81 UID track_essence_element_key;
82 int index; ///< index in mxf_essence_container_uls table
84 int order; ///< interleaving order if dts are equal
85 int interlaced; ///< whether picture is interlaced
86 int field_dominance; ///< tff=1, bff=2
90 int h_chroma_sub_sample;
91 int v_chroma_sub_sample;
92 int temporal_reordering;
93 AVRational aspect_ratio; ///< display aspect ratio
94 int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
97 int frame_size; ///< frame size in bytes
98 int seq_closed_gop; ///< all gops in sequence are closed, used in mpeg-2 descriptor
99 int max_gop; ///< maximum gop size, used by mpeg-2 descriptor
100 int b_picture_count; ///< maximum number of consecutive b pictures, used in mpeg-2 descriptor
101 int low_delay; ///< low delay, used in mpeg-2 descriptor
104 typedef struct MXFContainerEssenceEntry {
108 void (*write_desc)(AVFormatContext *, AVStream *);
109 } MXFContainerEssenceEntry;
111 typedef struct MXFPackage {
113 enum MXFMetadataSetType type;
115 struct MXFPackage *ref;
122 INDEX_D10_625_50_50_VIDEO,
123 INDEX_D10_625_50_50_AUDIO,
124 INDEX_D10_525_60_50_VIDEO,
125 INDEX_D10_525_60_50_AUDIO,
126 INDEX_D10_625_50_40_VIDEO,
127 INDEX_D10_625_50_40_AUDIO,
128 INDEX_D10_525_60_40_VIDEO,
129 INDEX_D10_525_60_40_AUDIO,
130 INDEX_D10_625_50_30_VIDEO,
131 INDEX_D10_625_50_30_AUDIO,
132 INDEX_D10_525_60_30_VIDEO,
133 INDEX_D10_525_60_30_AUDIO,
137 INDEX_DV25_525_60_IEC,
138 INDEX_DV25_625_50_IEC,
145 INDEX_DNXHD_1080p_10bit_HIGH,
146 INDEX_DNXHD_1080p_8bit_MEDIUM,
147 INDEX_DNXHD_1080p_8bit_HIGH,
148 INDEX_DNXHD_1080i_10bit_HIGH,
149 INDEX_DNXHD_1080i_8bit_MEDIUM,
150 INDEX_DNXHD_1080i_8bit_HIGH,
151 INDEX_DNXHD_720p_10bit,
152 INDEX_DNXHD_720p_8bit_HIGH,
153 INDEX_DNXHD_720p_8bit_MEDIUM,
154 INDEX_DNXHD_720p_8bit_LOW,
164 static const struct {
167 } mxf_essence_mappings[] = {
168 { AV_CODEC_ID_MPEG2VIDEO, INDEX_MPEG2 },
169 { AV_CODEC_ID_PCM_S24LE, INDEX_AES3 },
170 { AV_CODEC_ID_PCM_S16LE, INDEX_AES3 },
171 { AV_CODEC_ID_DVVIDEO, INDEX_DV },
172 { AV_CODEC_ID_DNXHD, INDEX_DNXHD_1080p_10bit_HIGH },
173 { AV_CODEC_ID_JPEG2000, INDEX_JPEG2000 },
174 { AV_CODEC_ID_H264, INDEX_H264 },
178 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
179 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
180 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st);
181 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
182 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st);
184 static const MXFContainerEssenceEntry mxf_essence_container_uls[] = {
185 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
186 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
187 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
188 mxf_write_mpegvideo_desc },
189 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
190 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
191 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
192 mxf_write_aes3_desc },
193 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
194 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
195 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
196 mxf_write_wav_desc },
197 // D-10 625/50 PAL 50mb/s
198 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
199 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
200 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
201 mxf_write_cdci_desc },
202 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
203 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
204 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
205 mxf_write_generic_sound_desc },
206 // D-10 525/60 NTSC 50mb/s
207 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
208 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
209 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 },
210 mxf_write_cdci_desc },
211 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
212 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
213 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
214 mxf_write_generic_sound_desc },
215 // D-10 625/50 PAL 40mb/s
216 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
217 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
218 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 },
219 mxf_write_cdci_desc },
220 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
221 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
222 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
223 mxf_write_generic_sound_desc },
224 // D-10 525/60 NTSC 40mb/s
225 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
226 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
227 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 },
228 mxf_write_cdci_desc },
229 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
230 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
231 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
232 mxf_write_generic_sound_desc },
233 // D-10 625/50 PAL 30mb/s
234 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
235 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
236 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 },
237 mxf_write_cdci_desc },
238 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
239 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
240 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
241 mxf_write_generic_sound_desc },
242 // D-10 525/60 NTSC 30mb/s
243 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
244 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
245 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 },
246 mxf_write_cdci_desc },
247 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
248 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
249 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
250 mxf_write_generic_sound_desc },
252 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
253 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
254 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
255 mxf_write_cdci_desc },
258 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 },
259 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
260 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
261 mxf_write_cdci_desc },
263 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 },
264 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
265 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 },
266 mxf_write_cdci_desc },
269 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x01,0x01 },
270 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
271 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
272 mxf_write_cdci_desc },
274 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x02,0x01 },
275 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
276 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x02,0x00 },
277 mxf_write_cdci_desc },
280 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 },
281 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
282 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 },
283 mxf_write_cdci_desc },
285 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 },
286 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
287 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 },
288 mxf_write_cdci_desc },
290 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 },
291 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
292 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 },
293 mxf_write_cdci_desc },
295 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 },
296 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
297 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 },
298 mxf_write_cdci_desc },
300 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 },
301 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
302 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 },
303 mxf_write_cdci_desc },
305 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 },
306 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
307 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 },
308 mxf_write_cdci_desc },
309 // DNxHD 1080p 10bit high
310 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
311 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
312 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
313 mxf_write_cdci_desc },
314 // DNxHD 1080p 8bit medium
315 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
316 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
317 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 },
318 mxf_write_cdci_desc },
319 // DNxHD 1080p 8bit high
320 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
321 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
322 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 },
323 mxf_write_cdci_desc },
324 // DNxHD 1080i 10bit high
325 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
326 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
327 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 },
328 mxf_write_cdci_desc },
329 // DNxHD 1080i 8bit medium
330 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
331 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
332 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 },
333 mxf_write_cdci_desc },
334 // DNxHD 1080i 8bit high
335 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
336 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
337 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 },
338 mxf_write_cdci_desc },
340 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
341 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
342 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 },
343 mxf_write_cdci_desc },
344 // DNxHD 720p 8bit high
345 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
346 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
347 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 },
348 mxf_write_cdci_desc },
349 // DNxHD 720p 8bit medium
350 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
351 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
352 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 },
353 mxf_write_cdci_desc },
354 // DNxHD 720p 8bit low
355 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
356 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
357 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 },
358 mxf_write_cdci_desc },
359 // DNxHR LB - CID 1274
360 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
361 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
362 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0D,0x04,0x01,0x02,0x02,0x71,0x28,0x00,0x00 },
363 mxf_write_cdci_desc },
364 // DNxHR SQ - CID 1273
365 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
366 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
367 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0D,0x04,0x01,0x02,0x02,0x71,0x27,0x00,0x00 },
368 mxf_write_cdci_desc },
369 // DNxHR HQ - CID 1272
370 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
371 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
372 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0D,0x04,0x01,0x02,0x02,0x71,0x26,0x00,0x00 },
373 mxf_write_cdci_desc },
374 // DNxHR HQX - CID 1271
375 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
376 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
377 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0D,0x04,0x01,0x02,0x02,0x71,0x25,0x00,0x00 },
378 mxf_write_cdci_desc },
379 // DNxHR 444 - CID 1270
380 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
381 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
382 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0D,0x04,0x01,0x02,0x02,0x71,0x24,0x00,0x00 },
383 mxf_write_cdci_desc },
385 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
386 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
387 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 },
388 mxf_write_cdci_desc },
390 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 },
391 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
392 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
393 mxf_write_mpegvideo_desc },
394 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
395 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
396 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
400 typedef struct MXFContext {
402 int64_t footer_partition_offset;
403 int essence_container_count;
404 AVRational time_base;
406 MXFIndexEntry *index_entries;
407 unsigned edit_units_count;
408 uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
409 uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
410 int last_indexed_edit_unit;
411 uint64_t *body_partition_offset;
412 unsigned body_partitions_count;
413 int last_key_index; ///< index of last key frame
415 AVTimecode tc; ///< timecode context
416 AVStream *timecode_track;
417 int timecode_base; ///< rounded time code base (25 or 30)
418 int edit_unit_byte_count; ///< fixed edit unit byte count
419 uint64_t body_offset;
420 uint32_t instance_number;
421 uint8_t umid[16]; ///< unique material identifier
424 uint32_t tagged_value_count;
425 AVRational audio_edit_rate;
426 int store_user_comments;
427 int track_instance_count; // used to generate MXFTrack uuids
428 int cbr_index; ///< use a constant bitrate index
431 static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
432 static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
435 * complete key for operation pattern, partitions, and primer pack
437 static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
438 static const uint8_t opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 };
439 static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
440 static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
441 static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
442 static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
443 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
444 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
445 static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
446 static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
449 * partial key for header metadata
451 static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
452 static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
455 * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
456 * https://smpte-ra.org/sites/default/files/Labels.xml
458 static const MXFLocalTagPair mxf_local_tag_batch[] = {
460 { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
461 { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
462 { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
463 { 0x3B07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x04,0x00,0x00,0x00}}, /* Object Model Version */
464 { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
465 { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
466 { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
467 { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
468 { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
470 { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
471 { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
472 { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
473 { 0x3C03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x04,0x00,0x00,0x00}}, /* Product Version */
474 { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
475 { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
476 { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
477 { 0x3C07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x0A,0x00,0x00,0x00}}, /* Toolkit Version */
478 { 0x3C08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x06,0x01,0x00,0x00}}, /* Platform */
480 { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
481 { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
482 // Essence Container Data
483 { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
484 { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
486 { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
487 { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
488 { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
489 { 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */
490 { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
491 { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
493 { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
494 { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
495 { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
496 { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
497 { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
499 { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
500 { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
501 { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
503 { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
504 { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
505 { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
506 // Timecode Component
507 { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
508 { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
509 { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
511 { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
512 { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
513 { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
514 { 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */
515 { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
516 // Generic Picture Essence Descriptor
517 { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
518 { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
519 { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
520 { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
521 { 0x3216, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x03,0x02,0x08,0x00,0x00,0x00}}, /* Stored F2 Offset */
522 { 0x3205, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x08,0x00,0x00,0x00}}, /* Sampled Width */
523 { 0x3204, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x07,0x00,0x00,0x00}}, /* Sampled Height */
524 { 0x3206, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x09,0x00,0x00,0x00}}, /* Sampled X Offset */
525 { 0x3207, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0A,0x00,0x00,0x00}}, /* Sampled Y Offset */
526 { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
527 { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
528 { 0x320A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0D,0x00,0x00,0x00}}, /* Display X offset */
529 { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */
530 { 0x3217, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x03,0x02,0x07,0x00,0x00,0x00}}, /* Display F2 offset */
531 { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
532 { 0x3210, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x02,0x01,0x01,0x01,0x02,0x00}}, /* Transfer characteristic */
533 { 0x3213, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x02,0x00,0x00,0x00,0x00}}, /* Image Start Offset */
534 { 0x3214, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Image End Offset */
535 { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
536 { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
537 { 0x3215, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x05,0x01,0x13,0x00,0x00,0x00,0x00}}, /* Signal Standard */
538 // CDCI Picture Essence Descriptor
539 { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
540 { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
541 { 0x3308, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x01,0x10,0x00,0x00,0x00}}, /* Vertical Subsampling */
542 { 0x3303, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x06,0x00,0x00,0x00}}, /* Color Siting */
543 { 0x3307, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x04,0x00,0x00,0x00,0x00}}, /* Padding Bits */
544 { 0x3304, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x03,0x03,0x00,0x00,0x00}}, /* Black Ref level */
545 { 0x3305, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x03,0x04,0x00,0x00,0x00}}, /* White Ref level */
546 { 0x3306, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x05,0x00,0x00,0x00}}, /* Color Range */
547 // Generic Sound Essence Descriptor
548 { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
549 { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
550 { 0x3D04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x02,0x01,0x01,0x03,0x00,0x00,0x00}}, /* Audio Ref Level */
551 { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
552 { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
553 { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
554 // Index Table Segment
555 { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
556 { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
557 { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
558 { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
559 { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
560 { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
561 { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
562 { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
563 // MPEG video Descriptor
564 { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
565 { 0x8003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x05,0x00,0x00}}, /* LowDelay */
566 { 0x8004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x06,0x00,0x00}}, /* ClosedGOP */
567 { 0x8006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x08,0x00,0x00}}, /* MaxGOP */
568 { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
569 { 0x8008, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x09,0x00,0x00}}, /* BPictureCount */
570 // Wave Audio Essence Descriptor
571 { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
572 { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
575 static const MXFLocalTagPair mxf_user_comments_local_tag[] = {
576 { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */
577 { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */
578 { 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */
581 static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
583 avio_write(pb, uuid_base, 12);
585 avio_wb16(pb, value);
588 static void mxf_write_umid(AVFormatContext *s, int type)
590 MXFContext *mxf = s->priv_data;
591 avio_write(s->pb, umid_ul, 13);
592 avio_wb24(s->pb, mxf->instance_number);
593 avio_write(s->pb, mxf->umid, 15);
594 avio_w8(s->pb, type);
597 static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
599 avio_wb32(pb, ref_count);
603 static int klv_ber_length(uint64_t len)
608 return (av_log2(len) >> 3) + 2;
611 static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
613 // Determine the best BER size
621 size = (av_log2(len) >> 3) + 1;
624 avio_w8(pb, 0x80 + size);
627 avio_w8(pb, len >> 8 * size & 0xff);
632 static void klv_encode_ber4_length(AVIOContext *pb, int len)
634 avio_w8(pb, 0x80 + 3);
638 static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
640 avio_w8(pb, 0x80 + 8);
645 * Get essence container ul index
647 static int mxf_get_essence_container_ul_index(enum AVCodecID id)
650 for (i = 0; mxf_essence_mappings[i].id; i++)
651 if (mxf_essence_mappings[i].id == id)
652 return mxf_essence_mappings[i].index;
656 static void mxf_write_primer_pack(AVFormatContext *s)
658 MXFContext *mxf = s->priv_data;
659 AVIOContext *pb = s->pb;
660 int local_tag_number, i = 0;
662 local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch);
663 local_tag_number += mxf->store_user_comments * FF_ARRAY_ELEMS(mxf_user_comments_local_tag);
665 avio_write(pb, primer_pack_key, 16);
666 klv_encode_ber_length(pb, local_tag_number * 18 + 8);
668 avio_wb32(pb, local_tag_number); // local_tag num
669 avio_wb32(pb, 18); // item size, always 18 according to the specs
671 for (i = 0; i < FF_ARRAY_ELEMS(mxf_local_tag_batch); i++) {
672 avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
673 avio_write(pb, mxf_local_tag_batch[i].uid, 16);
675 if (mxf->store_user_comments)
676 for (i = 0; i < FF_ARRAY_ELEMS(mxf_user_comments_local_tag); i++) {
677 avio_wb16(pb, mxf_user_comments_local_tag[i].local_tag);
678 avio_write(pb, mxf_user_comments_local_tag[i].uid, 16);
682 static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
688 static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
690 avio_write(pb, header_metadata_key, 13);
691 avio_wb24(pb, value);
694 static void mxf_free(AVFormatContext *s)
698 for (i = 0; i < s->nb_streams; i++) {
699 AVStream *st = s->streams[i];
700 av_freep(&st->priv_data);
704 static const MXFCodecUL *mxf_get_data_definition_ul(int type)
706 const MXFCodecUL *uls = ff_mxf_data_definition_uls;
707 while (uls->uid[0]) {
715 //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
716 #define DESCRIPTOR_COUNT(essence_container_count) \
717 (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
719 static void mxf_write_essence_container_refs(AVFormatContext *s)
721 MXFContext *c = s->priv_data;
722 AVIOContext *pb = s->pb;
725 mxf_write_refs_count(pb, DESCRIPTOR_COUNT(c->essence_container_count));
726 av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
727 for (i = 0; i < c->essence_container_count; i++) {
728 MXFStreamContext *sc = s->streams[i]->priv_data;
729 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
732 if (c->essence_container_count > 1)
733 avio_write(pb, multiple_desc_ul, 16);
736 static void mxf_write_preface(AVFormatContext *s)
738 MXFContext *mxf = s->priv_data;
739 AVIOContext *pb = s->pb;
741 mxf_write_metadata_key(pb, 0x012f00);
742 PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
743 klv_encode_ber_length(pb, 138 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
745 // write preface set uid
746 mxf_write_local_tag(pb, 16, 0x3C0A);
747 mxf_write_uuid(pb, Preface, 0);
748 PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
750 // last modified date
751 mxf_write_local_tag(pb, 8, 0x3B02);
752 avio_wb64(pb, mxf->timestamp);
755 mxf_write_local_tag(pb, 2, 0x3B05);
756 avio_wb16(pb, 259); // v1.3
758 // Object Model Version
759 mxf_write_local_tag(pb, 4, 0x3B07);
762 // write identification_refs
763 mxf_write_local_tag(pb, 16 + 8, 0x3B06);
764 mxf_write_refs_count(pb, 1);
765 mxf_write_uuid(pb, Identification, 0);
767 // write content_storage_refs
768 mxf_write_local_tag(pb, 16, 0x3B03);
769 mxf_write_uuid(pb, ContentStorage, 0);
771 // operational pattern
772 mxf_write_local_tag(pb, 16, 0x3B09);
773 if (s->oformat == &ff_mxf_opatom_muxer)
774 avio_write(pb, opatom_ul, 16);
776 avio_write(pb, op1a_ul, 16);
778 // write essence_container_refs
779 mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A);
780 mxf_write_essence_container_refs(s);
782 // write dm_scheme_refs
783 mxf_write_local_tag(pb, 8, 0x3B0B);
788 * Returns the length of the UTF-16 string, in 16-bit characters, that would result
789 * from decoding the utf-8 string.
791 static uint64_t mxf_utf16len(const char *utf8_str)
793 const uint8_t *q = utf8_str;
797 GET_UTF8(ch, *q++, goto invalid;)
804 av_log(NULL, AV_LOG_ERROR, "Invalid UTF8 sequence in mxf_utf16len\n\n");
811 * Returns the calculated length a local tag containing an utf-8 string as utf-16
813 static int mxf_utf16_local_tag_length(const char *utf8_str)
820 size = mxf_utf16len(utf8_str);
821 if (size >= UINT16_MAX/2) {
822 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
830 * Write a local tag containing an utf-8 string as utf-16
832 static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
834 uint64_t size = mxf_utf16len(value);
836 if (size >= UINT16_MAX/2) {
837 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
841 mxf_write_local_tag(pb, size*2, tag);
842 avio_put_str16be(pb, value);
845 static void store_version(AVFormatContext *s){
846 AVIOContext *pb = s->pb;
848 if (s->flags & AVFMT_FLAG_BITEXACT) {
849 avio_wb16(pb, 0); // major
850 avio_wb16(pb, 0); // minor
851 avio_wb16(pb, 0); // tertiary
853 avio_wb16(pb, LIBAVFORMAT_VERSION_MAJOR); // major
854 avio_wb16(pb, LIBAVFORMAT_VERSION_MINOR); // minor
855 avio_wb16(pb, LIBAVFORMAT_VERSION_MICRO); // tertiary
857 avio_wb16(pb, 0); // patch
858 avio_wb16(pb, 0); // release
861 static void mxf_write_identification(AVFormatContext *s)
863 MXFContext *mxf = s->priv_data;
864 AVIOContext *pb = s->pb;
865 const char *company = "FFmpeg";
866 const char *product = s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer";
870 mxf_write_metadata_key(pb, 0x013000);
871 PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
873 version = s->flags & AVFMT_FLAG_BITEXACT ?
874 "0.0.0" : AV_STRINGIFY(LIBAVFORMAT_VERSION);
875 length = 100 +mxf_utf16_local_tag_length(company) +
876 mxf_utf16_local_tag_length(product) +
877 mxf_utf16_local_tag_length(version);
878 klv_encode_ber_length(pb, length);
881 mxf_write_local_tag(pb, 16, 0x3C0A);
882 mxf_write_uuid(pb, Identification, 0);
883 PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
885 // write generation uid
886 mxf_write_local_tag(pb, 16, 0x3C09);
887 mxf_write_uuid(pb, Identification, 1);
888 mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
889 mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
891 mxf_write_local_tag(pb, 10, 0x3C03); // Product Version
894 mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
897 mxf_write_local_tag(pb, 16, 0x3C05);
898 mxf_write_uuid(pb, Identification, 2);
901 mxf_write_local_tag(pb, 8, 0x3C06);
902 avio_wb64(pb, mxf->timestamp);
904 mxf_write_local_tag(pb, 10, 0x3C07); // Toolkit Version
908 static void mxf_write_content_storage(AVFormatContext *s, MXFPackage *packages, int package_count)
910 AVIOContext *pb = s->pb;
913 mxf_write_metadata_key(pb, 0x011800);
914 PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
915 klv_encode_ber_length(pb, 60 + (16 * package_count));
918 mxf_write_local_tag(pb, 16, 0x3C0A);
919 mxf_write_uuid(pb, ContentStorage, 0);
920 PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
922 // write package reference
923 mxf_write_local_tag(pb, 16 * package_count + 8, 0x1901);
924 mxf_write_refs_count(pb, package_count);
925 for (i = 0; i < package_count; i++) {
926 mxf_write_uuid(pb, packages[i].type, packages[i].instance);
929 // write essence container data
930 mxf_write_local_tag(pb, 8 + 16, 0x1902);
931 mxf_write_refs_count(pb, 1);
932 mxf_write_uuid(pb, EssenceContainerData, 0);
935 static void mxf_write_track(AVFormatContext *s, AVStream *st, MXFPackage *package)
937 MXFContext *mxf = s->priv_data;
938 AVIOContext *pb = s->pb;
939 MXFStreamContext *sc = st->priv_data;
941 mxf_write_metadata_key(pb, 0x013b00);
942 PRINT_KEY(s, "track key", pb->buf_ptr - 16);
943 klv_encode_ber_length(pb, 80);
946 mxf_write_local_tag(pb, 16, 0x3C0A);
947 mxf_write_uuid(pb, Track, mxf->track_instance_count);
948 PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
951 mxf_write_local_tag(pb, 4, 0x4801);
952 avio_wb32(pb, st->index+2);
954 // write track number
955 mxf_write_local_tag(pb, 4, 0x4804);
956 if (package->type == MaterialPackage)
957 avio_wb32(pb, 0); // track number of material package is 0
959 avio_write(pb, sc->track_essence_element_key + 12, 4);
962 mxf_write_local_tag(pb, 8, 0x4B01);
964 if (st == mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer) {
965 avio_wb32(pb, mxf->tc.rate.num);
966 avio_wb32(pb, mxf->tc.rate.den);
968 avio_wb32(pb, mxf->time_base.den);
969 avio_wb32(pb, mxf->time_base.num);
973 mxf_write_local_tag(pb, 8, 0x4B02);
976 // write sequence refs
977 mxf_write_local_tag(pb, 16, 0x4803);
978 mxf_write_uuid(pb, Sequence, mxf->track_instance_count);
981 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 };
983 static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
985 MXFContext *mxf = s->priv_data;
986 AVIOContext *pb = s->pb;
988 // find data define uls
989 mxf_write_local_tag(pb, 16, 0x0201);
990 if (st == mxf->timecode_track)
991 avio_write(pb, smpte_12m_timecode_track_data_ul, 16);
993 const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codecpar->codec_type);
994 avio_write(pb, data_def_ul->uid, 16);
998 mxf_write_local_tag(pb, 8, 0x0202);
1000 if (st != mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer && st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
1001 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
1003 avio_wb64(pb, mxf->duration);
1007 static void mxf_write_sequence(AVFormatContext *s, AVStream *st, MXFPackage *package)
1009 MXFContext *mxf = s->priv_data;
1010 AVIOContext *pb = s->pb;
1011 enum MXFMetadataSetType component;
1013 mxf_write_metadata_key(pb, 0x010f00);
1014 PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
1015 klv_encode_ber_length(pb, 80);
1017 mxf_write_local_tag(pb, 16, 0x3C0A);
1018 mxf_write_uuid(pb, Sequence, mxf->track_instance_count);
1020 PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
1021 mxf_write_common_fields(s, st);
1023 // write structural component
1024 mxf_write_local_tag(pb, 16 + 8, 0x1001);
1025 mxf_write_refs_count(pb, 1);
1026 if (st == mxf->timecode_track)
1027 component = TimecodeComponent;
1029 component = SourceClip;
1031 mxf_write_uuid(pb, component, mxf->track_instance_count);
1034 static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, MXFPackage *package)
1036 MXFContext *mxf = s->priv_data;
1037 AVIOContext *pb = s->pb;
1039 mxf_write_metadata_key(pb, 0x011400);
1040 klv_encode_ber_length(pb, 75);
1043 mxf_write_local_tag(pb, 16, 0x3C0A);
1044 mxf_write_uuid(pb, TimecodeComponent, mxf->track_instance_count);
1046 mxf_write_common_fields(s, st);
1049 mxf_write_local_tag(pb, 8, 0x1501);
1050 avio_wb64(pb, mxf->tc.start);
1052 // Rounded Time Code Base
1053 mxf_write_local_tag(pb, 2, 0x1502);
1054 avio_wb16(pb, mxf->timecode_base);
1057 mxf_write_local_tag(pb, 1, 0x1503);
1058 avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
1061 static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, MXFPackage *package)
1063 MXFContext *mxf = s->priv_data;
1064 AVIOContext *pb = s->pb;
1067 mxf_write_metadata_key(pb, 0x011100);
1068 PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
1069 klv_encode_ber_length(pb, 108);
1072 mxf_write_local_tag(pb, 16, 0x3C0A);
1073 mxf_write_uuid(pb, SourceClip, mxf->track_instance_count);
1075 PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
1076 mxf_write_common_fields(s, st);
1078 // write start_position
1079 mxf_write_local_tag(pb, 8, 0x1201);
1082 // write source package uid, end of the reference
1083 mxf_write_local_tag(pb, 32, 0x1101);
1084 if (!package->ref) {
1085 for (i = 0; i < 4; i++)
1088 mxf_write_umid(s, package->ref->instance);
1090 // write source track id
1091 mxf_write_local_tag(pb, 4, 0x1102);
1092 if (package->type == SourcePackage && !package->ref)
1095 avio_wb32(pb, st->index+2);
1098 static void mxf_write_tape_descriptor(AVFormatContext *s)
1100 AVIOContext *pb = s->pb;
1102 mxf_write_metadata_key(pb, 0x012e00);
1103 PRINT_KEY(s, "tape descriptor key", pb->buf_ptr - 16);
1104 klv_encode_ber_length(pb, 20);
1105 mxf_write_local_tag(pb, 16, 0x3C0A);
1106 mxf_write_uuid(pb, TapeDescriptor, 0);
1107 PRINT_KEY(s, "tape_desc uid", pb->buf_ptr - 16);
1111 static void mxf_write_multi_descriptor(AVFormatContext *s)
1113 MXFContext *mxf = s->priv_data;
1114 AVIOContext *pb = s->pb;
1118 mxf_write_metadata_key(pb, 0x014400);
1119 PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
1120 klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
1122 mxf_write_local_tag(pb, 16, 0x3C0A);
1123 mxf_write_uuid(pb, MultipleDescriptor, 0);
1124 PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
1126 // write sample rate
1127 mxf_write_local_tag(pb, 8, 0x3001);
1128 avio_wb32(pb, mxf->time_base.den);
1129 avio_wb32(pb, mxf->time_base.num);
1131 // write essence container ul
1132 mxf_write_local_tag(pb, 16, 0x3004);
1133 if (mxf->essence_container_count > 1)
1134 ul = multiple_desc_ul;
1136 MXFStreamContext *sc = s->streams[0]->priv_data;
1137 ul = mxf_essence_container_uls[sc->index].container_ul;
1139 avio_write(pb, ul, 16);
1141 // write sub descriptor refs
1142 mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01);
1143 mxf_write_refs_count(pb, s->nb_streams);
1144 for (i = 0; i < s->nb_streams; i++)
1145 mxf_write_uuid(pb, SubDescriptor, i);
1148 static int64_t mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key)
1150 MXFContext *mxf = s->priv_data;
1151 MXFStreamContext *sc = st->priv_data;
1152 AVIOContext *pb = s->pb;
1155 avio_write(pb, key, 16);
1156 klv_encode_ber4_length(pb, 0);
1157 pos = avio_tell(pb);
1159 mxf_write_local_tag(pb, 16, 0x3C0A);
1160 mxf_write_uuid(pb, SubDescriptor, st->index);
1162 mxf_write_local_tag(pb, 4, 0x3006);
1163 avio_wb32(pb, st->index+2);
1165 mxf_write_local_tag(pb, 8, 0x3001);
1166 if (s->oformat == &ff_mxf_d10_muxer) {
1167 avio_wb32(pb, mxf->time_base.den);
1168 avio_wb32(pb, mxf->time_base.num);
1170 if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S16LE ||
1171 st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
1172 avio_wb32(pb, st->codecpar->sample_rate);
1175 avio_wb32(pb, mxf->time_base.den);
1176 avio_wb32(pb, mxf->time_base.num);
1180 mxf_write_local_tag(pb, 16, 0x3004);
1181 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
1186 static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
1187 static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
1188 static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
1189 static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
1190 static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
1192 static int get_trc(UID ul, enum AVColorTransferCharacteristic trc)
1195 case AVCOL_TRC_GAMMA28 :
1196 case AVCOL_TRC_GAMMA22 :
1197 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x01,0x00,0x00}), 16);
1199 case AVCOL_TRC_BT709 :
1200 case AVCOL_TRC_SMPTE170M :
1201 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x02,0x00,0x00}), 16);
1203 case AVCOL_TRC_SMPTE240M :
1204 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x03,0x00,0x00}), 16);
1206 case AVCOL_TRC_BT1361_ECG:
1207 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x06,0x04,0x01,0x01,0x01,0x01,0x05,0x00,0x00}), 16);
1209 case AVCOL_TRC_LINEAR :
1210 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x06,0x04,0x01,0x01,0x01,0x01,0x06,0x00,0x00}), 16);
1212 case AVCOL_TRC_SMPTE428 :
1213 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x08,0x04,0x01,0x01,0x01,0x01,0x07,0x00,0x00}), 16);
1220 static int64_t mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key)
1222 MXFStreamContext *sc = st->priv_data;
1223 AVIOContext *pb = s->pb;
1224 int stored_width = (st->codecpar->width +15)/16*16;
1225 int stored_height = (st->codecpar->height+15)/16*16;
1228 UID transfer_ul = {0};
1229 int64_t pos = mxf_write_generic_desc(s, st, key);
1231 get_trc(transfer_ul, st->codecpar->color_trc);
1233 mxf_write_local_tag(pb, 4, 0x3203);
1234 avio_wb32(pb, stored_width);
1236 mxf_write_local_tag(pb, 4, 0x3202);
1237 avio_wb32(pb, stored_height>>sc->interlaced);
1239 if (s->oformat == &ff_mxf_d10_muxer) {
1241 mxf_write_local_tag(pb, 4, 0x3216);
1244 //Image Start Offset
1245 mxf_write_local_tag(pb, 4, 0x3213);
1249 mxf_write_local_tag(pb, 4, 0x3214);
1254 mxf_write_local_tag(pb, 4, 0x3205);
1255 avio_wb32(pb, st->codecpar->width);
1258 mxf_write_local_tag(pb, 4, 0x3204);
1259 avio_wb32(pb, st->codecpar->height>>sc->interlaced);
1262 mxf_write_local_tag(pb, 4, 0x3206);
1266 mxf_write_local_tag(pb, 4, 0x3207);
1269 mxf_write_local_tag(pb, 4, 0x3209);
1270 avio_wb32(pb, st->codecpar->width);
1272 if (st->codecpar->height == 608) // PAL + VBI
1273 display_height = 576;
1274 else if (st->codecpar->height == 512) // NTSC + VBI
1275 display_height = 486;
1277 display_height = st->codecpar->height;
1279 mxf_write_local_tag(pb, 4, 0x3208);
1280 avio_wb32(pb, display_height>>sc->interlaced);
1283 mxf_write_local_tag(pb, 4, 0x320A);
1287 mxf_write_local_tag(pb, 4, 0x320B);
1288 avio_wb32(pb, (st->codecpar->height - display_height)>>sc->interlaced);
1290 if (sc->interlaced) {
1292 mxf_write_local_tag(pb, 4, 0x3217);
1293 avio_wb32(pb, -((st->codecpar->height - display_height)&1));
1297 mxf_write_local_tag(pb, 4, 0x3301);
1298 avio_wb32(pb, sc->component_depth);
1300 // horizontal subsampling
1301 mxf_write_local_tag(pb, 4, 0x3302);
1302 avio_wb32(pb, sc->h_chroma_sub_sample);
1304 // vertical subsampling
1305 mxf_write_local_tag(pb, 4, 0x3308);
1306 avio_wb32(pb, sc->v_chroma_sub_sample);
1309 mxf_write_local_tag(pb, 1, 0x3303);
1310 avio_w8(pb, sc->color_siting);
1313 mxf_write_local_tag(pb, 2, 0x3307);
1316 if (st->codecpar->color_range != AVCOL_RANGE_UNSPECIFIED) {
1318 white = (1<<sc->component_depth) - 1,
1319 color = (1<<sc->component_depth) - 1;
1320 if (st->codecpar->color_range == AVCOL_RANGE_MPEG) {
1321 black = 1 << (sc->component_depth - 4);
1322 white = 235 << (sc->component_depth - 8);
1323 color = (14 << (sc->component_depth - 4)) + 1;
1325 mxf_write_local_tag(pb, 4, 0x3304);
1326 avio_wb32(pb, black);
1327 mxf_write_local_tag(pb, 4, 0x3305);
1328 avio_wb32(pb, white);
1329 mxf_write_local_tag(pb, 4, 0x3306);
1330 avio_wb32(pb, color);
1333 if (sc->signal_standard) {
1334 mxf_write_local_tag(pb, 1, 0x3215);
1335 avio_w8(pb, sc->signal_standard);
1339 mxf_write_local_tag(pb, 1, 0x320C);
1340 avio_w8(pb, sc->interlaced);
1343 switch (st->codecpar->height) {
1344 case 576: f1 = 23; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break;
1345 case 608: f1 = 7; f2 = 320; break;
1346 case 480: f1 = 20; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
1347 case 512: f1 = 7; f2 = 270; break;
1348 case 720: f1 = 26; f2 = 0; break; // progressive
1349 case 1080: f1 = 21; f2 = 584; break;
1350 default: f1 = 0; f2 = 0; break;
1353 if (!sc->interlaced) {
1359 mxf_write_local_tag(pb, 16, 0x320D);
1365 mxf_write_local_tag(pb, 8, 0x320E);
1366 avio_wb32(pb, sc->aspect_ratio.num);
1367 avio_wb32(pb, sc->aspect_ratio.den);
1369 //Transfer characteristic
1370 if (transfer_ul[0]) {
1371 mxf_write_local_tag(pb, 16, 0x3210);
1372 avio_write(pb, transfer_ul, 16);
1375 mxf_write_local_tag(pb, 16, 0x3201);
1376 avio_write(pb, *sc->codec_ul, 16);
1378 if (sc->interlaced && sc->field_dominance) {
1379 mxf_write_local_tag(pb, 1, 0x3212);
1380 avio_w8(pb, sc->field_dominance);
1386 static void mxf_update_klv_size(AVIOContext *pb, int64_t pos)
1388 int64_t cur_pos = avio_tell(pb);
1389 int size = cur_pos - pos;
1390 avio_seek(pb, pos - 4, SEEK_SET);
1391 klv_encode_ber4_length(pb, size);
1392 avio_seek(pb, cur_pos, SEEK_SET);
1395 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
1397 int64_t pos = mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key);
1398 mxf_update_klv_size(s->pb, pos);
1401 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
1403 AVIOContext *pb = s->pb;
1404 MXFStreamContext *sc = st->priv_data;
1405 int profile_and_level = (st->codecpar->profile<<4) | st->codecpar->level;
1406 int64_t pos = mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key);
1408 if (st->codecpar->codec_id != AV_CODEC_ID_H264) {
1410 mxf_write_local_tag(pb, 4, 0x8000);
1411 avio_wb32(pb, sc->video_bit_rate);
1413 // profile and level
1414 mxf_write_local_tag(pb, 1, 0x8007);
1415 if (!st->codecpar->profile)
1416 profile_and_level |= 0x80; // escape bit
1417 avio_w8(pb, profile_and_level);
1420 mxf_write_local_tag(pb, 1, 0x8003);
1421 avio_w8(pb, sc->low_delay);
1424 mxf_write_local_tag(pb, 1, 0x8004);
1425 avio_w8(pb, sc->seq_closed_gop);
1428 mxf_write_local_tag(pb, 2, 0x8006);
1429 avio_wb16(pb, sc->max_gop);
1432 mxf_write_local_tag(pb, 2, 0x8008);
1433 avio_wb16(pb, sc->b_picture_count);
1436 mxf_update_klv_size(pb, pos);
1439 static int64_t mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key)
1441 AVIOContext *pb = s->pb;
1442 MXFContext *mxf = s->priv_data;
1443 int show_warnings = !mxf->footer_partition_offset;
1444 int64_t pos = mxf_write_generic_desc(s, st, key);
1446 if (s->oformat == &ff_mxf_opatom_muxer) {
1447 mxf_write_local_tag(pb, 8, 0x3002);
1448 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
1452 mxf_write_local_tag(pb, 1, 0x3D02);
1455 // write audio sampling rate
1456 mxf_write_local_tag(pb, 8, 0x3D03);
1457 avio_wb32(pb, st->codecpar->sample_rate);
1460 if (s->oformat == &ff_mxf_d10_muxer) {
1461 mxf_write_local_tag(pb, 1, 0x3D04);
1465 mxf_write_local_tag(pb, 4, 0x3D07);
1466 if (mxf->channel_count == -1) {
1467 if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codecpar->channels != 4) && (st->codecpar->channels != 8))
1468 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");
1469 avio_wb32(pb, st->codecpar->channels);
1470 } else if (s->oformat == &ff_mxf_d10_muxer) {
1471 if (show_warnings && (mxf->channel_count < st->codecpar->channels))
1472 av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1473 if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1474 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");
1475 avio_wb32(pb, mxf->channel_count);
1477 avio_wb32(pb, st->codecpar->channels);
1480 mxf_write_local_tag(pb, 4, 0x3D01);
1481 avio_wb32(pb, av_get_bits_per_sample(st->codecpar->codec_id));
1486 static int64_t mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key)
1488 AVIOContext *pb = s->pb;
1489 int64_t pos = mxf_write_generic_sound_common(s, st, key);
1491 mxf_write_local_tag(pb, 2, 0x3D0A);
1492 avio_wb16(pb, st->codecpar->block_align);
1494 // avg bytes per sec
1495 mxf_write_local_tag(pb, 4, 0x3D09);
1496 avio_wb32(pb, st->codecpar->block_align*st->codecpar->sample_rate);
1501 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
1503 int64_t pos = mxf_write_wav_common(s, st, mxf_wav_descriptor_key);
1504 mxf_update_klv_size(s->pb, pos);
1507 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
1509 int64_t pos = mxf_write_wav_common(s, st, mxf_aes3_descriptor_key);
1510 mxf_update_klv_size(s->pb, pos);
1513 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
1515 int64_t pos = mxf_write_generic_sound_common(s, st, mxf_generic_sound_descriptor_key);
1516 mxf_update_klv_size(s->pb, pos);
1519 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 };
1521 static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value)
1523 MXFContext *mxf = s->priv_data;
1524 AVIOContext *pb = s->pb;
1525 int name_size = mxf_utf16_local_tag_length(name);
1526 int indirect_value_size = 13 + mxf_utf16_local_tag_length(value);
1528 if (!name_size || indirect_value_size == 13)
1531 mxf_write_metadata_key(pb, 0x013f00);
1532 klv_encode_ber_length(pb, 24 + name_size + indirect_value_size);
1534 // write instance UID
1535 mxf_write_local_tag(pb, 16, 0x3C0A);
1536 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count);
1539 mxf_write_local_tag_utf16(pb, 0x5001, name); // Name
1541 // write indirect value
1542 mxf_write_local_tag(pb, indirect_value_size, 0x5003);
1543 avio_write(pb, mxf_indirect_value_utf16le, 17);
1544 avio_put_str16le(pb, value);
1546 mxf->tagged_value_count++;
1550 static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m)
1552 MXFContext *mxf = s->priv_data;
1553 AVDictionaryEntry *t = NULL;
1556 while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) {
1557 if (mxf->tagged_value_count >= UINT16_MAX) {
1558 av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n");
1562 if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0)
1568 static void mxf_write_package(AVFormatContext *s, MXFPackage *package)
1570 MXFContext *mxf = s->priv_data;
1571 AVIOContext *pb = s->pb;
1572 int i, track_count = s->nb_streams+1;
1573 int name_size = mxf_utf16_local_tag_length(package->name);
1574 int user_comment_count = 0;
1576 if (package->type == MaterialPackage) {
1577 if (mxf->store_user_comments)
1578 user_comment_count = mxf_write_user_comments(s, s->metadata);
1579 mxf_write_metadata_key(pb, 0x013600);
1580 PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1581 klv_encode_ber_length(pb, 92 + name_size + (16*track_count) + (16*user_comment_count) + 12LL*mxf->store_user_comments);
1583 mxf_write_metadata_key(pb, 0x013700);
1584 PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1585 klv_encode_ber_length(pb, 112 + name_size + (16*track_count) + 12LL*mxf->store_user_comments); // 20 bytes length for descriptor reference
1589 mxf_write_local_tag(pb, 16, 0x3C0A);
1590 mxf_write_uuid(pb, package->type, package->instance);
1591 av_log(s, AV_LOG_DEBUG, "package type:%d\n", package->type);
1592 PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1594 // write package umid
1595 mxf_write_local_tag(pb, 32, 0x4401);
1596 mxf_write_umid(s, package->instance);
1597 PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1601 mxf_write_local_tag_utf16(pb, 0x4402, package->name);
1603 // package creation date
1604 mxf_write_local_tag(pb, 8, 0x4405);
1605 avio_wb64(pb, mxf->timestamp);
1607 // package modified date
1608 mxf_write_local_tag(pb, 8, 0x4404);
1609 avio_wb64(pb, mxf->timestamp);
1612 mxf_write_local_tag(pb, track_count*16 + 8, 0x4403);
1613 mxf_write_refs_count(pb, track_count);
1614 // these are the uuids of the tracks the will be written in mxf_write_track
1615 for (i = 0; i < track_count; i++)
1616 mxf_write_uuid(pb, Track, mxf->track_instance_count + i);
1618 // write user comment refs
1619 if (mxf->store_user_comments) {
1620 mxf_write_local_tag(pb, user_comment_count*16 + 8, 0x4406);
1621 mxf_write_refs_count(pb, user_comment_count);
1622 for (i = 0; i < user_comment_count; i++)
1623 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i);
1626 // write multiple descriptor reference
1627 if (package->type == SourcePackage && package->instance == 1) {
1628 mxf_write_local_tag(pb, 16, 0x4701);
1629 if (s->nb_streams > 1) {
1630 mxf_write_uuid(pb, MultipleDescriptor, 0);
1631 mxf_write_multi_descriptor(s);
1633 mxf_write_uuid(pb, SubDescriptor, 0);
1634 } else if (package->type == SourcePackage && package->instance == 2) {
1635 mxf_write_local_tag(pb, 16, 0x4701);
1636 mxf_write_uuid(pb, TapeDescriptor, 0);
1637 mxf_write_tape_descriptor(s);
1641 * for every 1 track in a package there is 1 sequence and 1 component.
1642 * all 3 of these elements share the same instance number for generating
1643 * there instance uuids. mxf->track_instance_count stores this value.
1644 * mxf->track_instance_count is incremented after a group of all 3 of
1645 * these elements are written.
1648 // write timecode track
1649 mxf_write_track(s, mxf->timecode_track, package);
1650 mxf_write_sequence(s, mxf->timecode_track, package);
1651 mxf_write_timecode_component(s, mxf->timecode_track, package);
1652 mxf->track_instance_count++;
1654 for (i = 0; i < s->nb_streams; i++) {
1655 AVStream *st = s->streams[i];
1656 mxf_write_track(s, st, package);
1657 mxf_write_sequence(s, st, package);
1658 mxf_write_structural_component(s, st, package);
1659 mxf->track_instance_count++;
1661 if (package->type == SourcePackage && package->instance == 1) {
1662 MXFStreamContext *sc = st->priv_data;
1663 mxf_essence_container_uls[sc->index].write_desc(s, st);
1668 static int mxf_write_essence_container_data(AVFormatContext *s)
1670 AVIOContext *pb = s->pb;
1672 mxf_write_metadata_key(pb, 0x012300);
1673 klv_encode_ber_length(pb, 72);
1675 mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID
1676 mxf_write_uuid(pb, EssenceContainerData, 0);
1678 mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID
1679 mxf_write_umid(s, 1);
1681 mxf_write_local_tag(pb, 4, 0x3F07); // BodySID
1684 mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID
1690 static int mxf_write_header_metadata_sets(AVFormatContext *s)
1692 MXFContext *mxf = s->priv_data;
1693 AVDictionaryEntry *entry = NULL;
1694 AVStream *st = NULL;
1696 MXFPackage packages[3] = {{0}};
1697 int package_count = 2;
1698 packages[0].type = MaterialPackage;
1699 packages[1].type = SourcePackage;
1700 packages[1].instance = 1;
1701 packages[0].ref = &packages[1];
1704 if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0))
1705 packages[0].name = entry->value;
1707 if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) {
1708 packages[1].name = entry->value;
1710 /* check if any of the streams contain a file_package_name */
1711 for (i = 0; i < s->nb_streams; i++) {
1713 if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) {
1714 packages[1].name = entry->value;
1720 entry = av_dict_get(s->metadata, "reel_name", NULL, 0);
1722 packages[2].name = entry->value;
1723 packages[2].type = SourcePackage;
1724 packages[2].instance = 2;
1725 packages[1].ref = &packages[2];
1729 mxf_write_preface(s);
1730 mxf_write_identification(s);
1731 mxf_write_content_storage(s, packages, package_count);
1732 mxf->track_instance_count = 0;
1733 for (i = 0; i < package_count; i++)
1734 mxf_write_package(s, &packages[i]);
1735 mxf_write_essence_container_data(s);
1739 static unsigned klv_fill_size(uint64_t size)
1741 unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1742 if (pad < 20) // smallest fill item possible
1743 return pad + KAG_SIZE;
1745 return pad & (KAG_SIZE-1);
1748 static void mxf_write_index_table_segment(AVFormatContext *s)
1750 MXFContext *mxf = s->priv_data;
1751 AVIOContext *pb = s->pb;
1752 int i, j, temporal_reordering = 0;
1753 int key_index = mxf->last_key_index;
1754 int prev_non_b_picture = 0;
1757 av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1759 if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1762 avio_write(pb, index_table_segment_key, 16);
1764 klv_encode_ber4_length(pb, 0);
1765 pos = avio_tell(pb);
1768 mxf_write_local_tag(pb, 16, 0x3C0A);
1769 mxf_write_uuid(pb, IndexTableSegment, 0);
1772 mxf_write_local_tag(pb, 8, 0x3F0B);
1773 avio_wb32(pb, mxf->time_base.den);
1774 avio_wb32(pb, mxf->time_base.num);
1776 // index start position
1777 mxf_write_local_tag(pb, 8, 0x3F0C);
1778 avio_wb64(pb, mxf->last_indexed_edit_unit);
1781 mxf_write_local_tag(pb, 8, 0x3F0D);
1782 if (mxf->edit_unit_byte_count)
1783 avio_wb64(pb, 0); // index table covers whole container
1785 avio_wb64(pb, mxf->edit_units_count);
1787 // edit unit byte count
1788 mxf_write_local_tag(pb, 4, 0x3F05);
1789 avio_wb32(pb, mxf->edit_unit_byte_count);
1792 mxf_write_local_tag(pb, 4, 0x3F06);
1796 mxf_write_local_tag(pb, 4, 0x3F07);
1799 // real slice count - 1
1800 mxf_write_local_tag(pb, 1, 0x3F08);
1801 avio_w8(pb, !mxf->edit_unit_byte_count); // only one slice for CBR
1803 // delta entry array
1804 mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
1805 avio_wb32(pb, s->nb_streams+1); // num of entries
1806 avio_wb32(pb, 6); // size of one entry
1807 // write system item delta entry
1809 avio_w8(pb, 0); // slice entry
1810 avio_wb32(pb, 0); // element delta
1811 // write each stream delta entry
1812 for (i = 0; i < s->nb_streams; i++) {
1813 AVStream *st = s->streams[i];
1814 MXFStreamContext *sc = st->priv_data;
1815 avio_w8(pb, sc->temporal_reordering);
1816 if (sc->temporal_reordering)
1817 temporal_reordering = 1;
1818 if (mxf->edit_unit_byte_count) {
1819 avio_w8(pb, 0); // slice number
1820 avio_wb32(pb, sc->slice_offset);
1821 } else if (i == 0) { // video track
1822 avio_w8(pb, 0); // slice number
1823 avio_wb32(pb, KAG_SIZE); // system item size including klv fill
1824 } else { // audio track
1825 unsigned audio_frame_size = sc->aic.samples[0]*sc->aic.sample_size;
1826 audio_frame_size += klv_fill_size(audio_frame_size);
1828 avio_wb32(pb, (i-1)*audio_frame_size); // element delta
1832 if (!mxf->edit_unit_byte_count) {
1833 MXFStreamContext *sc = s->streams[0]->priv_data;
1834 mxf_write_local_tag(pb, 8 + mxf->edit_units_count*15, 0x3F0A);
1835 avio_wb32(pb, mxf->edit_units_count); // num of entries
1836 avio_wb32(pb, 15); // size of one entry
1838 for (i = 0; i < mxf->edit_units_count; i++) {
1839 int temporal_offset = 0;
1841 if (!(mxf->index_entries[i].flags & 0x33)) { // I-frame
1842 sc->max_gop = FFMAX(sc->max_gop, i - mxf->last_key_index);
1843 mxf->last_key_index = key_index;
1847 if (temporal_reordering) {
1848 int pic_num_in_gop = i - key_index;
1849 if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
1850 for (j = key_index; j < mxf->edit_units_count; j++) {
1851 if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
1854 if (j == mxf->edit_units_count)
1855 av_log(s, AV_LOG_WARNING, "missing frames\n");
1856 temporal_offset = j - key_index - pic_num_in_gop;
1859 avio_w8(pb, temporal_offset);
1861 if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
1862 sc->b_picture_count = FFMAX(sc->b_picture_count, i - prev_non_b_picture);
1863 avio_w8(pb, mxf->last_key_index - i);
1865 avio_w8(pb, key_index - i); // key frame offset
1866 if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
1867 mxf->last_key_index = key_index;
1868 prev_non_b_picture = i;
1871 if (!(mxf->index_entries[i].flags & 0x33) && // I-frame
1872 mxf->index_entries[i].flags & 0x40 && !temporal_offset)
1873 mxf->index_entries[i].flags |= 0x80; // random access
1874 avio_w8(pb, mxf->index_entries[i].flags);
1876 avio_wb64(pb, mxf->index_entries[i].offset);
1877 if (s->nb_streams > 1)
1878 avio_wb32(pb, mxf->index_entries[i].slice_offset);
1883 mxf->last_key_index = key_index - mxf->edit_units_count;
1884 mxf->last_indexed_edit_unit += mxf->edit_units_count;
1885 mxf->edit_units_count = 0;
1888 mxf_update_klv_size(pb, pos);
1891 static void mxf_write_klv_fill(AVFormatContext *s)
1893 unsigned pad = klv_fill_size(avio_tell(s->pb));
1895 avio_write(s->pb, klv_fill_key, 16);
1897 klv_encode_ber4_length(s->pb, pad);
1898 ffio_fill(s->pb, 0, pad);
1899 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
1903 static int mxf_write_partition(AVFormatContext *s, int bodysid,
1905 const uint8_t *key, int write_metadata)
1907 MXFContext *mxf = s->priv_data;
1908 AVIOContext *pb = s->pb;
1909 int64_t header_byte_count_offset;
1910 unsigned index_byte_count = 0;
1911 uint64_t partition_offset = avio_tell(pb);
1914 if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
1915 index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
1916 12+mxf->edit_units_count*15;
1917 else if (mxf->edit_unit_byte_count && indexsid)
1918 index_byte_count = 80;
1920 if (index_byte_count) {
1921 // add encoded ber length
1922 index_byte_count += 16 + klv_ber_length(index_byte_count);
1923 index_byte_count += klv_fill_size(index_byte_count);
1926 if (key && !memcmp(key, body_partition_key, 16)) {
1927 if ((err = av_reallocp_array(&mxf->body_partition_offset, mxf->body_partitions_count + 1,
1928 sizeof(*mxf->body_partition_offset))) < 0) {
1929 mxf->body_partitions_count = 0;
1932 mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
1937 avio_write(pb, key, 16);
1939 avio_write(pb, body_partition_key, 16);
1941 klv_encode_ber4_length(pb, 88 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
1943 // write partition value
1944 avio_wb16(pb, 1); // majorVersion
1945 avio_wb16(pb, 3); // minorVersion
1946 avio_wb32(pb, KAG_SIZE); // KAGSize
1948 avio_wb64(pb, partition_offset); // ThisPartition
1950 if (key && !memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
1951 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
1952 else if (key && !memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
1953 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
1957 avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
1960 header_byte_count_offset = avio_tell(pb);
1961 avio_wb64(pb, 0); // headerByteCount, update later
1964 avio_wb64(pb, index_byte_count); // indexByteCount
1965 avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
1968 if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && s->oformat != &ff_mxf_opatom_muxer)
1969 avio_wb64(pb, mxf->body_offset);
1973 avio_wb32(pb, bodysid); // bodySID
1975 // operational pattern
1976 if (s->oformat == &ff_mxf_opatom_muxer)
1977 avio_write(pb, opatom_ul, 16);
1979 avio_write(pb, op1a_ul, 16);
1981 // essence container
1982 mxf_write_essence_container_refs(s);
1984 if (write_metadata) {
1985 // mark the start of the headermetadata and calculate metadata size
1987 unsigned header_byte_count;
1989 mxf_write_klv_fill(s);
1990 start = avio_tell(s->pb);
1991 mxf_write_primer_pack(s);
1992 mxf_write_klv_fill(s);
1993 mxf_write_header_metadata_sets(s);
1994 pos = avio_tell(s->pb);
1995 header_byte_count = pos - start + klv_fill_size(pos);
1997 // update header_byte_count
1998 avio_seek(pb, header_byte_count_offset, SEEK_SET);
1999 avio_wb64(pb, header_byte_count);
2000 avio_seek(pb, pos, SEEK_SET);
2009 static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st,
2012 MXFContext *mxf = s->priv_data;
2013 MXFStreamContext *sc = st->priv_data;
2015 uint8_t* header_cid;
2018 if (mxf->header_written)
2024 header_cid = pkt->data + 0x28;
2025 cid = header_cid[0] << 24 | header_cid[1] << 16 | header_cid[2] << 8 | header_cid[3];
2027 if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) == DNXHD_VARIABLE) {
2028 frame_size = avpriv_dnxhd_get_hr_frame_size(cid, st->codecpar->width, st->codecpar->height);
2033 if ((sc->interlaced = avpriv_dnxhd_get_interlaced(cid)) < 0)
2034 return AVERROR_INVALIDDATA;
2038 sc->index = INDEX_DNXHD_1080p_10bit_HIGH;
2039 sc->component_depth = 10;
2042 sc->index = INDEX_DNXHD_1080p_8bit_MEDIUM;
2045 sc->index = INDEX_DNXHD_1080p_8bit_HIGH;
2048 sc->index = INDEX_DNXHD_1080i_10bit_HIGH;
2049 sc->component_depth = 10;
2052 sc->index = INDEX_DNXHD_1080i_8bit_MEDIUM;
2055 sc->index = INDEX_DNXHD_1080i_8bit_HIGH;
2058 sc->index = INDEX_DNXHD_720p_10bit;
2059 sc->component_depth = 10;
2062 sc->index = INDEX_DNXHD_720p_8bit_HIGH;
2065 sc->index = INDEX_DNXHD_720p_8bit_MEDIUM;
2068 sc->index = INDEX_DNXHD_720p_8bit_LOW;
2071 sc->index = INDEX_DNXHR_LB;
2074 sc->index = INDEX_DNXHR_SQ;
2077 sc->index = INDEX_DNXHR_HQ;
2080 sc->index = INDEX_DNXHR_HQX;
2081 sc->component_depth = st->codecpar->bits_per_raw_sample;
2084 sc->index = INDEX_DNXHR_444;
2085 sc->component_depth = st->codecpar->bits_per_raw_sample;
2091 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2092 sc->aspect_ratio = (AVRational){ 16, 9 };
2093 sc->frame_size = pkt->size;
2098 static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2100 MXFContext *mxf = s->priv_data;
2101 MXFStreamContext *sc = st->priv_data;
2102 uint8_t *vs_pack, *vsc_pack;
2103 int i, ul_index, frame_size, stype, pal;
2104 const AVDVProfile *profile;
2106 if (mxf->header_written)
2109 // Check for minimal frame size
2110 if (pkt->size < 120000)
2113 profile = av_dv_frame_profile(NULL, pkt->data, pkt->size);
2115 vs_pack = pkt->data + 80*5 + 48;
2116 vsc_pack = pkt->data + 80*5 + 53;
2117 stype = vs_pack[3] & 0x1f;
2118 pal = (vs_pack[3] >> 5) & 0x1;
2120 if ((vsc_pack[2] & 0x07) == 0x02) {
2121 sc->aspect_ratio = (AVRational){ 16, 9 };
2123 sc->aspect_ratio = (AVRational){ 4, 3 };
2126 sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
2127 // TODO: fix dv encoder to set proper FF/FS value in VSC pack
2128 // and set field dominance accordingly
2129 // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
2132 case 0x18: // DV100 720p
2133 ul_index = INDEX_DV100_720_50 + pal;
2134 frame_size = pal ? 288000 : 240000;
2135 if (sc->interlaced) {
2136 av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
2140 case 0x14: // DV100 1080i
2141 ul_index = INDEX_DV100_1080_50 + pal;
2142 frame_size = pal ? 576000 : 480000;
2145 ul_index = INDEX_DV50_525_60 + pal;
2146 frame_size = pal ? 288000 : 240000;
2149 if (profile && profile->pix_fmt == AV_PIX_FMT_YUV420P && pal) {
2150 ul_index = INDEX_DV25_525_60_IEC + pal;
2151 frame_size = pal ? 144000 : 120000;
2154 ul_index = INDEX_DV25_525_60 + pal;
2155 frame_size = pal ? 144000 : 120000;
2158 sc->index = ul_index;
2159 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2160 sc->frame_size = pkt->size;
2165 static const struct {
2170 int long_gop; // 1 or 0 when there are separate UIDs for Long GOP and Intra, -1 when Intra/LGOP detection can be ignored
2171 } mxf_h264_codec_uls[] = {
2172 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x11,0x01 }, 0, 66, 0, -1 }, // AVC Baseline, Unconstrained Coding
2173 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x20,0x01 }, 0, 77, 0, -1 }, // AVC Main
2174 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x30,0x01 }, 0, 88, 0, -1 }, // AVC Extended
2175 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x40,0x01 }, 0, 100, 0, -1 }, // AVC High
2176 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x50,0x01 }, 0, 110, 0, 1 }, // AVC High 10
2177 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x60,0x01 }, 0, 122, 0, 1 }, // AVC High 422
2178 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x70,0x01 }, 0, 244, 0, 1 }, // AVC High 444
2179 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0, 0 }, // AVC High 10 Intra
2180 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 0, 1, 0 }, // AVC Intra 50 1080i60
2181 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 0, 1, 0 }, // AVC Intra 50 1080i50
2182 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 0, 0, 0 }, // AVC Intra 50 1080p30
2183 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 0, 0, 0 }, // AVC Intra 50 1080p25
2184 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 0, 0, 0 }, // AVC Intra 50 720p60
2185 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 0, 0, 0 }, // AVC Intra 50 720p50
2186 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0, 0 }, // AVC High 422 Intra
2187 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 0, 1, 0 }, // AVC Intra 100 1080i60
2188 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 0, 1, 0 }, // AVC Intra 100 1080i50
2189 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 0, 0, 0 }, // AVC Intra 100 1080p30
2190 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 0, 0, 0 }, // AVC Intra 100 1080p25
2191 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 0, 0, 0 }, // AVC Intra 100 720p60
2192 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 0, 0, 0 }, // AVC Intra 100 720p50
2193 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x40,0x01 }, 0, 244, 0, 0 }, // AVC High 444 Intra
2194 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x50,0x01 }, 0, 44, 0, -1 }, // AVC CAVLC 444
2197 static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st,
2198 AVPacket *pkt, MXFIndexEntry *e)
2200 MXFContext *mxf = s->priv_data;
2201 MXFStreamContext *sc = st->priv_data;
2202 AVCodecParameters *par = st->codecpar;
2203 static const int mxf_h264_num_codec_uls = sizeof(mxf_h264_codec_uls) / sizeof(mxf_h264_codec_uls[0]);
2204 const uint8_t *buf = pkt->data;
2205 const uint8_t *buf_end = pkt->data + pkt->size;
2206 uint32_t state = -1;
2207 int long_gop = 0; // assume intra when there is no SPS header
2208 int extra_size = 512; // support AVC Intra files without SPS/PPS header
2212 if (pkt->size > extra_size)
2213 buf_end -= pkt->size - extra_size; // no need to parse beyond SPS/PPS header
2216 buf = avpriv_find_start_code(buf, buf_end, &state);
2220 switch (state & 0x1f) {
2222 par->profile = buf[1];
2223 long_gop = buf[2] & 0x10 ? 0 : 1; // constraint_set3_flag signals intra
2227 if (e->flags & 0x40) { // sequence header present
2228 e->flags |= 0x80; // random access
2238 if (mxf->header_written)
2241 sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD
2242 sc->interlaced = par->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0;
2245 frame_size = pkt->size + extra_size;
2246 for (i = 0; i < mxf_h264_num_codec_uls; i++) {
2247 if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) {
2248 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
2249 sc->component_depth = 10; // AVC Intra is always 10 Bit
2251 sc->field_dominance = 1; // top field first is mandatory for AVC Intra
2253 } else if ((mxf_h264_codec_uls[i].profile == par->profile) &&
2254 ((mxf_h264_codec_uls[i].long_gop < 0) ||
2255 (mxf_h264_codec_uls[i].long_gop == long_gop))) {
2256 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
2262 av_log(s, AV_LOG_ERROR, "h264 profile not supported\n");
2269 static const UID mxf_mpeg2_codec_uls[] = {
2270 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
2271 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
2272 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
2273 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
2274 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
2275 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
2276 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
2277 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
2278 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
2279 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
2282 static const UID *mxf_get_mpeg2_codec_ul(AVCodecParameters *par)
2286 if (par->profile == 4) { // Main
2287 if (par->level == 8) // Main
2288 return &mxf_mpeg2_codec_uls[0+long_gop];
2289 else if (par->level == 4) // High
2290 return &mxf_mpeg2_codec_uls[4+long_gop];
2291 else if (par->level == 6) // High 14
2292 return &mxf_mpeg2_codec_uls[8+long_gop];
2293 } else if (par->profile == 0) { // 422
2294 if (par->level == 5) // Main
2295 return &mxf_mpeg2_codec_uls[2+long_gop];
2296 else if (par->level == 2) // High
2297 return &mxf_mpeg2_codec_uls[6+long_gop];
2302 static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st,
2303 AVPacket *pkt, MXFIndexEntry *e)
2305 MXFStreamContext *sc = st->priv_data;
2309 for(i = 0; i < pkt->size - 4; i++) {
2310 c = (c<<8) + pkt->data[i];
2312 if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
2313 st->codecpar->profile = pkt->data[i+1] & 0x07;
2314 st->codecpar->level = pkt->data[i+2] >> 4;
2315 sc->low_delay = pkt->data[i+6] >> 7;
2316 } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
2317 sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
2319 sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
2322 } else if (c == 0x1b8) { // gop
2323 if (pkt->data[i+4]>>6 & 0x01) { // closed
2324 if (sc->seq_closed_gop == -1)
2325 sc->seq_closed_gop = 1;
2327 if (e->flags & 0x40) // sequence header present
2328 e->flags |= 0x80; // random access
2330 sc->seq_closed_gop = 0;
2333 } else if (c == 0x1b3) { // seq
2335 switch ((pkt->data[i+4]>>4) & 0xf) {
2336 case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
2337 case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
2338 case 4: sc->aspect_ratio = (AVRational){221,100}; break;
2340 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
2341 st->codecpar->width, st->codecpar->height, 1024*1024);
2343 } else if (c == 0x100) { // pic
2344 int pict_type = (pkt->data[i+2]>>3) & 0x07;
2345 e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2346 if (pict_type == 2) { // P-frame
2348 sc->closed_gop = 0; // reset closed GOP, don't matter anymore
2349 } else if (pict_type == 3) { // B-frame
2351 e->flags |= 0x13; // only backward prediction
2354 sc->temporal_reordering = -1;
2355 } else if (!pict_type) {
2356 av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
2361 if (s->oformat != &ff_mxf_d10_muxer)
2362 sc->codec_ul = mxf_get_mpeg2_codec_ul(st->codecpar);
2363 return !!sc->codec_ul;
2366 static uint64_t mxf_parse_timestamp(time_t timestamp)
2369 struct tm *time = gmtime_r(×tamp, &tmbuf);
2372 return (uint64_t)(time->tm_year+1900) << 48 |
2373 (uint64_t)(time->tm_mon+1) << 40 |
2374 (uint64_t) time->tm_mday << 32 |
2375 time->tm_hour << 24 |
2376 time->tm_min << 16 |
2380 static void mxf_gen_umid(AVFormatContext *s)
2382 MXFContext *mxf = s->priv_data;
2383 uint32_t seed = av_get_random_seed();
2384 uint64_t umid = seed + 0x5294713400000000LL;
2386 AV_WB64(mxf->umid , umid);
2387 AV_WB64(mxf->umid+8, umid>>8);
2389 mxf->instance_number = seed & 0xFFFFFF;
2392 static int mxf_init_timecode(AVFormatContext *s, AVStream *st, AVRational rate)
2394 MXFContext *mxf = s->priv_data;
2395 AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
2397 tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
2400 return av_timecode_init_from_string(&mxf->tc, rate, tcr->value, s);
2402 return av_timecode_init(&mxf->tc, rate, 0, 0, s);
2405 static int mxf_write_header(AVFormatContext *s)
2407 MXFContext *mxf = s->priv_data;
2409 uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
2410 const MXFSamplesPerFrame *spf = NULL;
2411 int64_t timestamp = 0;
2416 if (s->oformat == &ff_mxf_opatom_muxer && s->nb_streams !=1) {
2417 av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n");
2421 if (!av_dict_get(s->metadata, "comment_", NULL, AV_DICT_IGNORE_SUFFIX))
2422 mxf->store_user_comments = 0;
2424 for (i = 0; i < s->nb_streams; i++) {
2425 AVStream *st = s->streams[i];
2426 MXFStreamContext *sc = av_mallocz(sizeof(*sc));
2428 return AVERROR(ENOMEM);
2431 if (((i == 0) ^ (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)) && s->oformat != &ff_mxf_opatom_muxer) {
2432 av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
2436 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2437 const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codecpar->format);
2438 // TODO: should be avg_frame_rate
2439 AVRational rate, tbc = st->time_base;
2440 // Default component depth to 8
2441 sc->component_depth = 8;
2442 sc->h_chroma_sub_sample = 2;
2443 sc->v_chroma_sub_sample = 2;
2444 sc->color_siting = 0xFF;
2447 sc->component_depth = pix_desc->comp[0].depth;
2448 sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w;
2449 sc->v_chroma_sub_sample = 1 << pix_desc->log2_chroma_h;
2451 switch (ff_choose_chroma_location(s, st)) {
2452 case AVCHROMA_LOC_TOPLEFT: sc->color_siting = 0; break;
2453 case AVCHROMA_LOC_LEFT: sc->color_siting = 6; break;
2454 case AVCHROMA_LOC_TOP: sc->color_siting = 1; break;
2455 case AVCHROMA_LOC_CENTER: sc->color_siting = 3; break;
2458 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2459 spf = ff_mxf_get_samples_per_frame(s, tbc);
2461 av_log(s, AV_LOG_ERROR, "Unsupported video frame rate %d/%d\n",
2463 return AVERROR(EINVAL);
2465 mxf->time_base = spf->time_base;
2466 rate = av_inv_q(mxf->time_base);
2467 avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
2468 if((ret = mxf_init_timecode(s, st, rate)) < 0)
2471 if (st->codecpar->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2472 sc->seq_closed_gop = -1; // unknown yet
2475 sc->video_bit_rate = st->codecpar->bit_rate;
2477 if (s->oformat == &ff_mxf_d10_muxer ||
2478 st->codecpar->codec_id == AV_CODEC_ID_DNXHD ||
2479 st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO)
2482 if (s->oformat == &ff_mxf_d10_muxer) {
2483 if (st->codecpar->codec_id != AV_CODEC_ID_MPEG2VIDEO) {
2484 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support MPEG-2 Video\n");
2485 return AVERROR(EINVAL);
2487 if ((sc->video_bit_rate == 50000000) && (mxf->time_base.den == 25)) {
2488 sc->index = INDEX_D10_625_50_50_VIDEO;
2489 } else if ((sc->video_bit_rate == 49999840 || sc->video_bit_rate == 50000000) && (mxf->time_base.den != 25)) {
2490 sc->index = INDEX_D10_525_60_50_VIDEO;
2491 } else if (sc->video_bit_rate == 40000000) {
2492 if (mxf->time_base.den == 25) sc->index = INDEX_D10_625_50_40_VIDEO;
2493 else sc->index = INDEX_D10_525_60_40_VIDEO;
2494 } else if (sc->video_bit_rate == 30000000) {
2495 if (mxf->time_base.den == 25) sc->index = INDEX_D10_625_50_30_VIDEO;
2496 else sc->index = INDEX_D10_525_60_30_VIDEO;
2498 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
2502 sc->signal_standard = 1;
2503 sc->color_siting = 0;
2504 sc->frame_size = (int64_t)sc->video_bit_rate *
2505 mxf->time_base.num / (8*mxf->time_base.den);
2507 if (mxf->signal_standard >= 0)
2508 sc->signal_standard = mxf->signal_standard;
2509 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2510 if (st->codecpar->sample_rate != 48000) {
2511 av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
2514 avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
2515 if (s->oformat == &ff_mxf_d10_muxer) {
2516 if (st->index != 1) {
2517 av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
2520 if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2521 st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) {
2522 av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
2524 sc->index = ((MXFStreamContext*)s->streams[0]->priv_data)->index + 1;
2525 sc->frame_size = 4 + 8 * spf[0].samples_per_frame[0] * 4;
2526 } else if (s->oformat == &ff_mxf_opatom_muxer) {
2527 AVRational tbc = av_inv_q(mxf->audio_edit_rate);
2529 if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2530 st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) {
2531 av_log(s, AV_LOG_ERROR, "Only pcm_s16le and pcm_s24le audio codecs are implemented\n");
2532 return AVERROR_PATCHWELCOME;
2534 if (st->codecpar->channels != 1) {
2535 av_log(s, AV_LOG_ERROR, "MXF OPAtom only supports single channel audio\n");
2536 return AVERROR(EINVAL);
2539 spf = ff_mxf_get_samples_per_frame(s, tbc);
2541 av_log(s, AV_LOG_ERROR, "Unsupported timecode frame rate %d/%d\n", tbc.den, tbc.num);
2542 return AVERROR(EINVAL);
2545 mxf->time_base = st->time_base;
2546 if((ret = mxf_init_timecode(s, st, av_inv_q(spf->time_base))) < 0)
2549 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2550 mxf->edit_unit_byte_count = (av_get_bits_per_sample(st->codecpar->codec_id) * st->codecpar->channels) >> 3;
2551 sc->index = INDEX_WAV;
2553 mxf->slice_count = 1;
2554 sc->frame_size = (st->codecpar->channels * spf[0].samples_per_frame[0] *
2555 av_get_bits_per_sample(st->codecpar->codec_id)) / 8;
2560 sc->index = mxf_get_essence_container_ul_index(st->codecpar->codec_id);
2561 if (sc->index == -1) {
2562 av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
2563 "codec not currently supported in container\n", i);
2568 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2570 memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
2571 sc->track_essence_element_key[15] = present[sc->index];
2572 PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
2574 if (!present[sc->index])
2575 mxf->essence_container_count++;
2576 present[sc->index]++;
2579 if (s->oformat == &ff_mxf_d10_muxer || s->oformat == &ff_mxf_opatom_muxer) {
2580 mxf->essence_container_count = 1;
2583 if (!(s->flags & AVFMT_FLAG_BITEXACT))
2586 for (i = 0; i < s->nb_streams; i++) {
2587 MXFStreamContext *sc = s->streams[i]->priv_data;
2588 // update element count
2589 sc->track_essence_element_key[13] = present[sc->index];
2590 if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[15].element_ul, 13)) // DV
2591 sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
2593 sc->order = AV_RB32(sc->track_essence_element_key+12);
2596 if (ff_parse_creation_time_metadata(s, ×tamp, 1) > 0)
2597 mxf->timestamp = mxf_parse_timestamp(timestamp);
2600 mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
2601 if (!mxf->timecode_track)
2602 return AVERROR(ENOMEM);
2603 mxf->timecode_track->priv_data = av_mallocz(sizeof(MXFStreamContext));
2604 if (!mxf->timecode_track->priv_data)
2605 return AVERROR(ENOMEM);
2606 mxf->timecode_track->index = -1;
2609 spf = ff_mxf_get_samples_per_frame(s, (AVRational){ 1, 25 });
2611 if (ff_audio_interleave_init(s, spf->samples_per_frame, mxf->time_base) < 0)
2617 static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
2618 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 };
2620 static void mxf_write_system_item(AVFormatContext *s)
2622 MXFContext *mxf = s->priv_data;
2623 AVIOContext *pb = s->pb;
2627 frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2629 // write system metadata pack
2630 avio_write(pb, system_metadata_pack_key, 16);
2631 klv_encode_ber4_length(pb, 57);
2632 avio_w8(pb, 0x5c); // UL, user date/time stamp, picture and sound item present
2633 avio_w8(pb, 0x04); // content package rate
2634 avio_w8(pb, 0x00); // content package type
2635 avio_wb16(pb, 0x00); // channel handle
2636 avio_wb16(pb, (mxf->tc.start + frame) & 0xFFFF); // continuity count, supposed to overflow
2637 if (mxf->essence_container_count > 1)
2638 avio_write(pb, multiple_desc_ul, 16);
2640 MXFStreamContext *sc = s->streams[0]->priv_data;
2641 avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
2645 avio_wb64(pb, 0); // creation date/time stamp
2647 avio_w8(pb, 0x81); // SMPTE 12M time code
2648 time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
2649 avio_wb32(pb, time_code);
2650 avio_wb32(pb, 0); // binary group data
2653 // write system metadata package set
2654 avio_write(pb, system_metadata_package_set_key, 16);
2655 klv_encode_ber4_length(pb, 35);
2656 avio_w8(pb, 0x83); // UMID
2657 avio_wb16(pb, 0x20);
2658 mxf_write_umid(s, 1);
2661 static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2663 MXFContext *mxf = s->priv_data;
2664 AVIOContext *pb = s->pb;
2665 int frame_size = pkt->size / st->codecpar->block_align;
2666 uint8_t *samples = pkt->data;
2667 uint8_t *end = pkt->data + pkt->size;
2670 klv_encode_ber4_length(pb, 4 + frame_size*4*8);
2672 avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
2673 avio_wl16(pb, frame_size);
2674 avio_w8(pb, (1<<st->codecpar->channels)-1);
2676 while (samples < end) {
2677 for (i = 0; i < st->codecpar->channels; i++) {
2679 if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
2680 sample = AV_RL24(samples)<< 4;
2683 sample = AV_RL16(samples)<<12;
2686 avio_wl32(pb, sample | i);
2693 static int mxf_write_opatom_body_partition(AVFormatContext *s)
2695 MXFContext *mxf = s->priv_data;
2696 AVIOContext *pb = s->pb;
2697 AVStream *st = s->streams[0];
2698 MXFStreamContext *sc = st->priv_data;
2699 const uint8_t *key = NULL;
2703 if (!mxf->header_written)
2704 key = body_partition_key;
2706 if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0)
2708 mxf_write_klv_fill(s);
2709 avio_write(pb, sc->track_essence_element_key, 16);
2710 klv_encode_ber9_length(pb, mxf->body_offset);
2714 static int mxf_write_opatom_packet(AVFormatContext *s, AVPacket *pkt, MXFIndexEntry *ie)
2716 MXFContext *mxf = s->priv_data;
2717 AVIOContext *pb = s->pb;
2721 if (!mxf->header_written) {
2722 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2724 mxf_write_klv_fill(s);
2726 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2728 mxf->header_written = 1;
2731 if (!mxf->edit_unit_byte_count) {
2732 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2733 mxf->index_entries[mxf->edit_units_count].flags = ie->flags;
2734 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie->temporal_ref;
2736 mxf->edit_units_count++;
2737 avio_write(pb, pkt->data, pkt->size);
2738 mxf->body_offset += pkt->size;
2744 static void mxf_compute_edit_unit_byte_count(AVFormatContext *s)
2746 MXFContext *mxf = s->priv_data;
2749 if (s->oformat == &ff_mxf_opatom_muxer) {
2750 MXFStreamContext *sc = s->streams[0]->priv_data;
2751 mxf->edit_unit_byte_count = sc->frame_size;
2755 mxf->edit_unit_byte_count = KAG_SIZE; // system element
2756 for (i = 0; i < s->nb_streams; i++) {
2757 AVStream *st = s->streams[i];
2758 MXFStreamContext *sc = st->priv_data;
2759 sc->slice_offset = mxf->edit_unit_byte_count;
2760 mxf->edit_unit_byte_count += 16 + 4 + sc->frame_size;
2761 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2765 static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
2767 MXFContext *mxf = s->priv_data;
2768 AVIOContext *pb = s->pb;
2769 AVStream *st = s->streams[pkt->stream_index];
2770 MXFStreamContext *sc = st->priv_data;
2771 MXFIndexEntry ie = {0};
2774 if (!mxf->cbr_index && !mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) {
2775 if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
2776 + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
2777 mxf->edit_units_count = 0;
2778 av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
2783 if (st->codecpar->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2784 if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
2785 av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
2788 } else if (st->codecpar->codec_id == AV_CODEC_ID_DNXHD) {
2789 if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
2790 av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
2793 } else if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) {
2794 if (!mxf_parse_dv_frame(s, st, pkt)) {
2795 av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
2798 } else if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
2799 if (!mxf_parse_h264_frame(s, st, pkt, &ie)) {
2800 av_log(s, AV_LOG_ERROR, "could not get h264 profile\n");
2805 if (mxf->cbr_index) {
2806 if (pkt->size != sc->frame_size && st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2807 av_log(s, AV_LOG_ERROR, "track %d: frame size does not match index unit size, %d != %d\n",
2808 st->index, pkt->size, sc->frame_size);
2811 if (!mxf->header_written)
2812 mxf_compute_edit_unit_byte_count(s);
2815 if (s->oformat == &ff_mxf_opatom_muxer)
2816 return mxf_write_opatom_packet(s, pkt, &ie);
2818 if (!mxf->header_written) {
2819 if (mxf->edit_unit_byte_count) {
2820 if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
2822 mxf_write_klv_fill(s);
2823 mxf_write_index_table_segment(s);
2825 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2828 mxf->header_written = 1;
2831 if (st->index == 0) {
2832 if (!mxf->edit_unit_byte_count &&
2833 (!mxf->edit_units_count || mxf->edit_units_count > EDIT_UNITS_PER_BODY) &&
2834 !(ie.flags & 0x33)) { // I-frame, GOP start
2835 mxf_write_klv_fill(s);
2836 if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
2838 mxf_write_klv_fill(s);
2839 mxf_write_index_table_segment(s);
2842 mxf_write_klv_fill(s);
2843 mxf_write_system_item(s);
2845 if (!mxf->edit_unit_byte_count) {
2846 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2847 mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
2848 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie.temporal_ref;
2849 mxf->body_offset += KAG_SIZE; // size of system element
2851 mxf->edit_units_count++;
2852 } else if (!mxf->edit_unit_byte_count && st->index == 1) {
2853 if (!mxf->edit_units_count) {
2854 av_log(s, AV_LOG_ERROR, "No packets in first stream\n");
2855 return AVERROR_PATCHWELCOME;
2857 mxf->index_entries[mxf->edit_units_count-1].slice_offset =
2858 mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
2861 mxf_write_klv_fill(s);
2862 avio_write(pb, sc->track_essence_element_key, 16); // write key
2863 if (s->oformat == &ff_mxf_d10_muxer &&
2864 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2865 mxf_write_d10_audio_packet(s, st, pkt);
2867 klv_encode_ber4_length(pb, pkt->size); // write length
2868 avio_write(pb, pkt->data, pkt->size);
2869 mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
2877 static void mxf_write_random_index_pack(AVFormatContext *s)
2879 MXFContext *mxf = s->priv_data;
2880 AVIOContext *pb = s->pb;
2881 uint64_t pos = avio_tell(pb);
2884 avio_write(pb, random_index_pack_key, 16);
2885 klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
2887 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer)
2888 avio_wb32(pb, 1); // BodySID of header partition
2891 avio_wb64(pb, 0); // offset of header partition
2893 for (i = 0; i < mxf->body_partitions_count; i++) {
2894 avio_wb32(pb, 1); // BodySID
2895 avio_wb64(pb, mxf->body_partition_offset[i]);
2898 avio_wb32(pb, 0); // BodySID of footer partition
2899 avio_wb64(pb, mxf->footer_partition_offset);
2901 avio_wb32(pb, avio_tell(pb) - pos + 4);
2904 static int mxf_write_footer(AVFormatContext *s)
2906 MXFContext *mxf = s->priv_data;
2907 AVIOContext *pb = s->pb;
2910 if (!mxf->header_written ||
2911 (s->oformat == &ff_mxf_opatom_muxer && !mxf->body_partition_offset)) {
2912 /* reason could be invalid options/not supported codec/out of memory */
2913 err = AVERROR_UNKNOWN;
2917 mxf->duration = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2919 mxf_write_klv_fill(s);
2920 mxf->footer_partition_offset = avio_tell(pb);
2921 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { // no need to repeat index
2922 if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
2925 if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
2927 mxf_write_klv_fill(s);
2928 mxf_write_index_table_segment(s);
2931 mxf_write_klv_fill(s);
2932 mxf_write_random_index_pack(s);
2934 if (s->pb->seekable & AVIO_SEEKABLE_NORMAL) {
2935 if (s->oformat == &ff_mxf_opatom_muxer) {
2936 /* rewrite body partition to update lengths */
2937 avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET);
2938 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2942 avio_seek(pb, 0, SEEK_SET);
2943 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) {
2944 if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
2946 mxf_write_klv_fill(s);
2947 mxf_write_index_table_segment(s);
2949 if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
2952 // update footer partition offset
2953 for (i = 0; i < mxf->body_partitions_count; i++) {
2954 avio_seek(pb, mxf->body_partition_offset[i]+44, SEEK_SET);
2955 avio_wb64(pb, mxf->footer_partition_offset);
2960 ff_audio_interleave_close(s);
2962 av_freep(&mxf->index_entries);
2963 av_freep(&mxf->body_partition_offset);
2964 av_freep(&mxf->timecode_track->priv_data);
2965 av_freep(&mxf->timecode_track);
2969 return err < 0 ? err : 0;
2972 static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
2974 int i, stream_count = 0;
2976 for (i = 0; i < s->nb_streams; i++)
2977 stream_count += !!s->streams[i]->last_in_packet_buffer;
2979 if (stream_count && (s->nb_streams == stream_count || flush)) {
2980 AVPacketList *pktl = s->internal->packet_buffer;
2981 if (s->nb_streams != stream_count) {
2982 AVPacketList *last = NULL;
2983 // find last packet in edit unit
2985 if (!stream_count || pktl->pkt.stream_index == 0)
2987 // update last packet in packet buffer
2988 if (s->streams[pktl->pkt.stream_index]->last_in_packet_buffer != pktl)
2989 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer = pktl;
2994 // purge packet queue
2996 AVPacketList *next = pktl->next;
2997 av_packet_unref(&pktl->pkt);
3004 s->internal->packet_buffer = NULL;
3005 s->internal->packet_buffer_end= NULL;
3008 pktl = s->internal->packet_buffer;
3012 av_log(s, AV_LOG_TRACE, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts);
3013 s->internal->packet_buffer = pktl->next;
3014 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
3015 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
3016 if(!s->internal->packet_buffer)
3017 s->internal->packet_buffer_end= NULL;
3022 av_init_packet(out);
3027 static int mxf_compare_timestamps(AVFormatContext *s, AVPacket *next, AVPacket *pkt)
3029 MXFStreamContext *sc = s->streams[pkt ->stream_index]->priv_data;
3030 MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
3032 return next->dts > pkt->dts ||
3033 (next->dts == pkt->dts && sc->order < sc2->order);
3036 static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
3038 return ff_audio_rechunk_interleave(s, out, pkt, flush,
3039 mxf_interleave_get_packet, mxf_compare_timestamps);
3042 #define MXF_COMMON_OPTIONS \
3043 { "signal_standard", "Force/set Sigal Standard",\
3044 offsetof(MXFContext, signal_standard), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3045 { "bt601", "ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)",\
3046 0, AV_OPT_TYPE_CONST, {.i64 = 1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3047 { "bt1358", "ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)",\
3048 0, AV_OPT_TYPE_CONST, {.i64 = 2}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3049 { "smpte347m", "SMPTE 347M (540 Mbps mappings)",\
3050 0, AV_OPT_TYPE_CONST, {.i64 = 3}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3051 { "smpte274m", "SMPTE 274M (1125 line)",\
3052 0, AV_OPT_TYPE_CONST, {.i64 = 4}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3053 { "smpte296m", "SMPTE 296M (750 line progressive)",\
3054 0, AV_OPT_TYPE_CONST, {.i64 = 5}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3055 { "smpte349m", "SMPTE 349M (1485 Mbps mappings)",\
3056 0, AV_OPT_TYPE_CONST, {.i64 = 6}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3057 { "smpte428", "SMPTE 428-1 DCDM",\
3058 0, AV_OPT_TYPE_CONST, {.i64 = 7}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},
3062 static const AVOption mxf_options[] = {
3064 { "store_user_comments", "",
3065 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3069 static const AVClass mxf_muxer_class = {
3070 .class_name = "MXF muxer",
3071 .item_name = av_default_item_name,
3072 .option = mxf_options,
3073 .version = LIBAVUTIL_VERSION_INT,
3076 static const AVOption d10_options[] = {
3077 { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
3078 offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
3080 { "store_user_comments", "",
3081 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3085 static const AVClass mxf_d10_muxer_class = {
3086 .class_name = "MXF-D10 muxer",
3087 .item_name = av_default_item_name,
3088 .option = d10_options,
3089 .version = LIBAVUTIL_VERSION_INT,
3092 static const AVOption opatom_options[] = {
3093 { "mxf_audio_edit_rate", "Audio edit rate for timecode",
3094 offsetof(MXFContext, audio_edit_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
3099 static const AVClass mxf_opatom_muxer_class = {
3100 .class_name = "MXF-OPAtom muxer",
3101 .item_name = av_default_item_name,
3102 .option = opatom_options,
3103 .version = LIBAVUTIL_VERSION_INT,
3106 AVOutputFormat ff_mxf_muxer = {
3108 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
3109 .mime_type = "application/mxf",
3110 .extensions = "mxf",
3111 .priv_data_size = sizeof(MXFContext),
3112 .audio_codec = AV_CODEC_ID_PCM_S16LE,
3113 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
3114 .write_header = mxf_write_header,
3115 .write_packet = mxf_write_packet,
3116 .write_trailer = mxf_write_footer,
3117 .flags = AVFMT_NOTIMESTAMPS,
3118 .interleave_packet = mxf_interleave,
3119 .priv_class = &mxf_muxer_class,
3122 AVOutputFormat ff_mxf_d10_muxer = {
3124 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
3125 .mime_type = "application/mxf",
3126 .priv_data_size = sizeof(MXFContext),
3127 .audio_codec = AV_CODEC_ID_PCM_S16LE,
3128 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
3129 .write_header = mxf_write_header,
3130 .write_packet = mxf_write_packet,
3131 .write_trailer = mxf_write_footer,
3132 .flags = AVFMT_NOTIMESTAMPS,
3133 .interleave_packet = mxf_interleave,
3134 .priv_class = &mxf_d10_muxer_class,
3137 AVOutputFormat ff_mxf_opatom_muxer = {
3138 .name = "mxf_opatom",
3139 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"),
3140 .mime_type = "application/mxf",
3141 .extensions = "mxf",
3142 .priv_data_size = sizeof(MXFContext),
3143 .audio_codec = AV_CODEC_ID_PCM_S16LE,
3144 .video_codec = AV_CODEC_ID_DNXHD,
3145 .write_header = mxf_write_header,
3146 .write_packet = mxf_write_packet,
3147 .write_trailer = mxf_write_footer,
3148 .flags = AVFMT_NOTIMESTAMPS,
3149 .interleave_packet = mxf_interleave,
3150 .priv_class = &mxf_opatom_muxer_class,