3 * Copyright (c) 2008 GUCAS, Zhentan Feng <spyfeng at gmail dot com>
4 * Copyright (c) 2008 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
6 * This file is part of FFmpeg.
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 * signal_standard, color_siting, store_user_comments, sample rate and klv_fill_key version
25 * fixes sponsored by NOA GmbH
30 * SMPTE 336M KLV Data Encoding Protocol Using Key-Length-Value
31 * SMPTE 377M MXF File Format Specifications
32 * SMPTE 379M MXF Generic Container
33 * SMPTE 381M Mapping MPEG Streams into the MXF Generic Container
34 * SMPTE 422M Mapping JPEG 2000 Codestreams into the MXF Generic Container
35 * SMPTE RP210: SMPTE Metadata Dictionary
36 * SMPTE RP224: Registry of SMPTE Universal Labels
43 #include "libavutil/opt.h"
44 #include "libavutil/random_seed.h"
45 #include "libavutil/timecode.h"
46 #include "libavutil/avassert.h"
47 #include "libavutil/pixdesc.h"
48 #include "libavutil/time_internal.h"
49 #include "libavcodec/bytestream.h"
50 #include "libavcodec/dnxhddata.h"
51 #include "libavcodec/dv_profile.h"
52 #include "libavcodec/h264_ps.h"
53 #include "libavcodec/golomb.h"
54 #include "libavcodec/internal.h"
55 #include "audiointerleave.h"
57 #include "avio_internal.h"
63 extern AVOutputFormat ff_mxf_d10_muxer;
64 extern AVOutputFormat ff_mxf_opatom_muxer;
66 #define EDIT_UNITS_PER_BODY 250
69 typedef struct MXFLocalTagPair {
74 typedef struct MXFIndexEntry {
77 unsigned slice_offset; ///< offset of audio slice
78 uint16_t temporal_ref;
81 typedef struct MXFStreamContext {
82 AudioInterleaveContext aic;
83 UID track_essence_element_key;
84 int index; ///< index in mxf_essence_container_uls table
86 const UID *container_ul;
87 int order; ///< interleaving order if dts are equal
88 int interlaced; ///< whether picture is interlaced
89 int field_dominance; ///< tff=1, bff=2
93 int h_chroma_sub_sample;
94 int v_chroma_sub_sample;
95 int temporal_reordering;
96 AVRational aspect_ratio; ///< display aspect ratio
97 int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
100 int frame_size; ///< frame size in bytes
101 int seq_closed_gop; ///< all gops in sequence are closed, used in mpeg-2 descriptor
102 int max_gop; ///< maximum gop size, used by mpeg-2 descriptor
103 int b_picture_count; ///< maximum number of consecutive b pictures, used in mpeg-2 descriptor
104 int low_delay; ///< low delay, used in mpeg-2 descriptor
108 typedef struct MXFContainerEssenceEntry {
112 void (*write_desc)(AVFormatContext *, AVStream *);
113 } MXFContainerEssenceEntry;
115 typedef struct MXFPackage {
117 enum MXFMetadataSetType type;
119 struct MXFPackage *ref;
136 static const struct {
139 } mxf_essence_mappings[] = {
140 { AV_CODEC_ID_MPEG2VIDEO, INDEX_MPEG2 },
141 { AV_CODEC_ID_PCM_S24LE, INDEX_AES3 },
142 { AV_CODEC_ID_PCM_S16LE, INDEX_AES3 },
143 { AV_CODEC_ID_DVVIDEO, INDEX_DV },
144 { AV_CODEC_ID_DNXHD, INDEX_DNXHD },
145 { AV_CODEC_ID_JPEG2000, INDEX_JPEG2000 },
146 { AV_CODEC_ID_H264, INDEX_H264 },
147 { AV_CODEC_ID_PRORES, INDEX_PRORES },
151 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
152 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
153 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st);
154 static void mxf_write_h264_desc(AVFormatContext *s, AVStream *st);
155 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
156 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st);
157 static void mxf_write_s436m_anc_desc(AVFormatContext *s, AVStream *st);
159 static const MXFContainerEssenceEntry mxf_essence_container_uls[] = {
160 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
161 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
162 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
163 mxf_write_mpegvideo_desc },
164 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
165 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
166 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
167 mxf_write_aes3_desc },
168 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
169 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
170 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
171 mxf_write_wav_desc },
173 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
174 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
175 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
176 mxf_write_cdci_desc },
178 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
179 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
180 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
181 mxf_write_generic_sound_desc },
183 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
184 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
185 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
186 mxf_write_cdci_desc },
188 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
189 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
190 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
191 mxf_write_cdci_desc },
193 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
194 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
195 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 },
196 mxf_write_cdci_desc },
198 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 },
199 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
200 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
201 mxf_write_h264_desc },
203 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x0e,0x00,0x00 },
204 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x17,0x01,0x02,0x00 },
205 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x01,0x5C,0x00 },
206 mxf_write_s436m_anc_desc },
208 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x0d,0x01,0x03,0x01,0x02,0x1c,0x01,0x00 },
209 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x17,0x00 },
210 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x03,0x00 },
211 mxf_write_cdci_desc },
212 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
213 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
214 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
218 static const UID mxf_d10_codec_uls[] = {
219 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 }, // D-10 625/50 PAL 50mb/s
220 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 }, // D-10 525/50 NTSC 50mb/s
221 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 }, // D-10 625/50 PAL 40mb/s
222 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 }, // D-10 525/50 NTSC 40mb/s
223 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 }, // D-10 625/50 PAL 30mb/s
224 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 }, // D-10 525/50 NTSC 30mb/s
227 static const UID mxf_d10_container_uls[] = {
228 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 }, // D-10 625/50 PAL 50mb/s
229 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 }, // D-10 525/50 NTSC 50mb/s
230 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 }, // D-10 625/50 PAL 40mb/s
231 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 }, // D-10 525/50 NTSC 40mb/s
232 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 }, // D-10 625/50 PAL 30mb/s
233 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 }, // D-10 525/50 NTSC 30mb/s
236 typedef struct MXFContext {
238 int64_t footer_partition_offset;
239 int essence_container_count;
240 AVRational time_base;
242 MXFIndexEntry *index_entries;
243 unsigned edit_units_count;
244 uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
245 uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
246 int last_indexed_edit_unit;
247 uint64_t *body_partition_offset;
248 unsigned body_partitions_count;
249 int last_key_index; ///< index of last key frame
251 AVTimecode tc; ///< timecode context
252 AVStream *timecode_track;
253 int timecode_base; ///< rounded time code base (25 or 30)
254 int edit_unit_byte_count; ///< fixed edit unit byte count
255 int content_package_rate; ///< content package rate in system element, see SMPTE 326M
256 uint64_t body_offset;
257 uint32_t instance_number;
258 uint8_t umid[16]; ///< unique material identifier
261 uint32_t tagged_value_count;
262 AVRational audio_edit_rate;
263 int store_user_comments;
264 int track_instance_count; // used to generate MXFTrack uuids
265 int cbr_index; ///< use a constant bitrate index
268 static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
269 static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
272 * complete key for operation pattern, partitions, and primer pack
274 static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
275 static const uint8_t opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 };
276 static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
277 static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
278 static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
279 static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
280 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
281 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
282 static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
283 static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
286 * partial key for header metadata
288 static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
289 static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
292 * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
293 * https://smpte-ra.org/sites/default/files/Labels.xml
295 static const MXFLocalTagPair mxf_local_tag_batch[] = {
297 { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
298 { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
299 { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
300 { 0x3B07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x04,0x00,0x00,0x00}}, /* Object Model Version */
301 { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
302 { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
303 { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
304 { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
305 { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
307 { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
308 { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
309 { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
310 { 0x3C03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x04,0x00,0x00,0x00}}, /* Product Version */
311 { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
312 { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
313 { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
314 { 0x3C07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x0A,0x00,0x00,0x00}}, /* Toolkit Version */
315 { 0x3C08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x06,0x01,0x00,0x00}}, /* Platform */
317 { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
318 { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
319 // Essence Container Data
320 { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
321 { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
323 { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
324 { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
325 { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
326 { 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */
327 { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
328 { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
330 { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
331 { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
332 { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
333 { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
334 { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
336 { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
337 { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
338 { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
340 { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
341 { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
342 { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
343 // Timecode Component
344 { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
345 { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
346 { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
348 { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
349 { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
350 { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
351 { 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */
352 { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
353 // Generic Picture Essence Descriptor
354 { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
355 { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
356 { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
357 { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
358 { 0x3216, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x03,0x02,0x08,0x00,0x00,0x00}}, /* Stored F2 Offset */
359 { 0x3205, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x08,0x00,0x00,0x00}}, /* Sampled Width */
360 { 0x3204, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x07,0x00,0x00,0x00}}, /* Sampled Height */
361 { 0x3206, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x09,0x00,0x00,0x00}}, /* Sampled X Offset */
362 { 0x3207, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0A,0x00,0x00,0x00}}, /* Sampled Y Offset */
363 { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
364 { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
365 { 0x320A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0D,0x00,0x00,0x00}}, /* Display X offset */
366 { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */
367 { 0x3217, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x03,0x02,0x07,0x00,0x00,0x00}}, /* Display F2 offset */
368 { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
369 { 0x3210, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x02,0x01,0x01,0x01,0x02,0x00}}, /* Transfer characteristic */
370 { 0x3213, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x02,0x00,0x00,0x00,0x00}}, /* Image Start Offset */
371 { 0x3214, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Image End Offset */
372 { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
373 { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
374 { 0x3215, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x05,0x01,0x13,0x00,0x00,0x00,0x00}}, /* Signal Standard */
375 // CDCI Picture Essence Descriptor
376 { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
377 { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
378 { 0x3308, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x01,0x10,0x00,0x00,0x00}}, /* Vertical Subsampling */
379 { 0x3303, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x06,0x00,0x00,0x00}}, /* Color Siting */
380 { 0x3307, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x04,0x00,0x00,0x00,0x00}}, /* Padding Bits */
381 { 0x3304, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x03,0x03,0x00,0x00,0x00}}, /* Black Ref level */
382 { 0x3305, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x03,0x04,0x00,0x00,0x00}}, /* White Ref level */
383 { 0x3306, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x05,0x00,0x00,0x00}}, /* Color Range */
384 // Generic Sound Essence Descriptor
385 { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
386 { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
387 { 0x3D04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x02,0x01,0x01,0x03,0x00,0x00,0x00}}, /* Audio Ref Level */
388 { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
389 { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
390 { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
391 // Index Table Segment
392 { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
393 { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
394 { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
395 { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
396 { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
397 { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
398 { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
399 { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
400 // MPEG video Descriptor
401 { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
402 { 0x8003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x05,0x00,0x00}}, /* LowDelay */
403 { 0x8004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x06,0x00,0x00}}, /* ClosedGOP */
404 { 0x8006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x08,0x00,0x00}}, /* MaxGOP */
405 { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
406 { 0x8008, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x09,0x00,0x00}}, /* BPictureCount */
407 // Wave Audio Essence Descriptor
408 { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
409 { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
412 static const MXFLocalTagPair mxf_avc_subdescriptor_local_tags[] = {
413 { 0x8100, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x09,0x06,0x01,0x01,0x04,0x06,0x10,0x00,0x00}}, /* SubDescriptors */
414 { 0x8200, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0E,0x00,0x00}}, /* AVC Decoding Delay */
415 { 0x8201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0A,0x00,0x00}}, /* AVC Profile */
416 { 0x8202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0D,0x00,0x00}}, /* AVC Level */
419 static const MXFLocalTagPair mxf_user_comments_local_tag[] = {
420 { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */
421 { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */
422 { 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */
425 static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
427 avio_write(pb, uuid_base, 12);
429 avio_wb16(pb, value);
432 static void mxf_write_umid(AVFormatContext *s, int type)
434 MXFContext *mxf = s->priv_data;
435 avio_write(s->pb, umid_ul, 13);
436 avio_wb24(s->pb, mxf->instance_number);
437 avio_write(s->pb, mxf->umid, 15);
438 avio_w8(s->pb, type);
441 static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
443 avio_wb32(pb, ref_count);
447 static int klv_ber_length(uint64_t len)
452 return (av_log2(len) >> 3) + 2;
455 static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
457 // Determine the best BER size
458 int size = klv_ber_length(len);
467 avio_w8(pb, 0x80 + size);
470 avio_w8(pb, len >> 8 * size & 0xff);
475 static void klv_encode_ber4_length(AVIOContext *pb, int len)
477 avio_w8(pb, 0x80 + 3);
481 static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
483 avio_w8(pb, 0x80 + 8);
488 * Get essence container ul index
490 static int mxf_get_essence_container_ul_index(enum AVCodecID id)
493 for (i = 0; mxf_essence_mappings[i].id; i++)
494 if (mxf_essence_mappings[i].id == id)
495 return mxf_essence_mappings[i].index;
499 static void mxf_write_local_tags(AVIOContext *pb, const MXFLocalTagPair *local_tags, int count)
502 for (i = 0; i < count; i++) {
503 avio_wb16(pb, local_tags[i].local_tag);
504 avio_write(pb, local_tags[i].uid, 16);
508 static void mxf_write_primer_pack(AVFormatContext *s)
510 MXFContext *mxf = s->priv_data;
511 AVIOContext *pb = s->pb;
512 int local_tag_number, i = 0;
513 int avc_tags_count = 0;
515 local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch);
516 local_tag_number += mxf->store_user_comments * FF_ARRAY_ELEMS(mxf_user_comments_local_tag);
518 for (i = 0; i < s->nb_streams; i++) {
519 MXFStreamContext *sc = s->streams[i]->priv_data;
520 if (s->streams[i]->codecpar->codec_id == AV_CODEC_ID_H264 && !sc->avc_intra) {
521 avc_tags_count = FF_ARRAY_ELEMS(mxf_avc_subdescriptor_local_tags);
522 local_tag_number += avc_tags_count;
526 avio_write(pb, primer_pack_key, 16);
527 klv_encode_ber_length(pb, local_tag_number * 18 + 8);
529 avio_wb32(pb, local_tag_number); // local_tag num
530 avio_wb32(pb, 18); // item size, always 18 according to the specs
532 for (i = 0; i < FF_ARRAY_ELEMS(mxf_local_tag_batch); i++) {
533 avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
534 avio_write(pb, mxf_local_tag_batch[i].uid, 16);
536 if (mxf->store_user_comments)
537 for (i = 0; i < FF_ARRAY_ELEMS(mxf_user_comments_local_tag); i++) {
538 avio_wb16(pb, mxf_user_comments_local_tag[i].local_tag);
539 avio_write(pb, mxf_user_comments_local_tag[i].uid, 16);
541 if (avc_tags_count > 0)
542 mxf_write_local_tags(pb, mxf_avc_subdescriptor_local_tags, avc_tags_count);
545 static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
551 static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
553 avio_write(pb, header_metadata_key, 13);
554 avio_wb24(pb, value);
557 static const MXFCodecUL *mxf_get_data_definition_ul(int type)
559 const MXFCodecUL *uls = ff_mxf_data_definition_uls;
560 while (uls->uid[0]) {
568 //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
569 #define DESCRIPTOR_COUNT(essence_container_count) \
570 (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
572 static void mxf_write_essence_container_refs(AVFormatContext *s)
574 MXFContext *c = s->priv_data;
575 AVIOContext *pb = s->pb;
578 mxf_write_refs_count(pb, DESCRIPTOR_COUNT(c->essence_container_count));
579 av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
580 for (i = 0; i < s->nb_streams; i++) {
581 MXFStreamContext *sc = s->streams[i]->priv_data;
582 // check first track of essence container type and only write it once
583 if (sc->track_essence_element_key[15] != 0)
585 avio_write(pb, *sc->container_ul, 16);
586 if (c->essence_container_count == 1)
590 if (c->essence_container_count > 1)
591 avio_write(pb, multiple_desc_ul, 16);
594 static void mxf_write_preface(AVFormatContext *s)
596 MXFContext *mxf = s->priv_data;
597 AVIOContext *pb = s->pb;
599 mxf_write_metadata_key(pb, 0x012f00);
600 PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
601 klv_encode_ber_length(pb, 138 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
603 // write preface set uid
604 mxf_write_local_tag(pb, 16, 0x3C0A);
605 mxf_write_uuid(pb, Preface, 0);
606 PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
608 // last modified date
609 mxf_write_local_tag(pb, 8, 0x3B02);
610 avio_wb64(pb, mxf->timestamp);
613 mxf_write_local_tag(pb, 2, 0x3B05);
614 avio_wb16(pb, 259); // v1.3
616 // Object Model Version
617 mxf_write_local_tag(pb, 4, 0x3B07);
620 // write identification_refs
621 mxf_write_local_tag(pb, 16 + 8, 0x3B06);
622 mxf_write_refs_count(pb, 1);
623 mxf_write_uuid(pb, Identification, 0);
625 // write content_storage_refs
626 mxf_write_local_tag(pb, 16, 0x3B03);
627 mxf_write_uuid(pb, ContentStorage, 0);
629 // operational pattern
630 mxf_write_local_tag(pb, 16, 0x3B09);
631 if (s->oformat == &ff_mxf_opatom_muxer)
632 avio_write(pb, opatom_ul, 16);
634 avio_write(pb, op1a_ul, 16);
636 // write essence_container_refs
637 mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A);
638 mxf_write_essence_container_refs(s);
640 // write dm_scheme_refs
641 mxf_write_local_tag(pb, 8, 0x3B0B);
646 * Returns the length of the UTF-16 string, in 16-bit characters, that would result
647 * from decoding the utf-8 string.
649 static uint64_t mxf_utf16len(const char *utf8_str)
651 const uint8_t *q = utf8_str;
655 GET_UTF8(ch, *q++, goto invalid;)
662 av_log(NULL, AV_LOG_ERROR, "Invalid UTF8 sequence in mxf_utf16len\n\n");
669 * Returns the calculated length a local tag containing an utf-8 string as utf-16
671 static int mxf_utf16_local_tag_length(const char *utf8_str)
678 size = mxf_utf16len(utf8_str);
679 if (size >= UINT16_MAX/2) {
680 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
688 * Write a local tag containing an utf-8 string as utf-16
690 static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
692 uint64_t size = mxf_utf16len(value);
694 if (size >= UINT16_MAX/2) {
695 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
699 mxf_write_local_tag(pb, size*2, tag);
700 avio_put_str16be(pb, value);
703 static void store_version(AVFormatContext *s){
704 AVIOContext *pb = s->pb;
706 if (s->flags & AVFMT_FLAG_BITEXACT) {
707 avio_wb16(pb, 0); // major
708 avio_wb16(pb, 0); // minor
709 avio_wb16(pb, 0); // tertiary
711 avio_wb16(pb, LIBAVFORMAT_VERSION_MAJOR); // major
712 avio_wb16(pb, LIBAVFORMAT_VERSION_MINOR); // minor
713 avio_wb16(pb, LIBAVFORMAT_VERSION_MICRO); // tertiary
715 avio_wb16(pb, 0); // patch
716 avio_wb16(pb, 0); // release
719 static void mxf_write_identification(AVFormatContext *s)
721 MXFContext *mxf = s->priv_data;
722 AVIOContext *pb = s->pb;
723 const char *company = "FFmpeg";
724 const char *product = s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer";
728 mxf_write_metadata_key(pb, 0x013000);
729 PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
731 version = s->flags & AVFMT_FLAG_BITEXACT ?
732 "0.0.0" : AV_STRINGIFY(LIBAVFORMAT_VERSION);
733 length = 100 +mxf_utf16_local_tag_length(company) +
734 mxf_utf16_local_tag_length(product) +
735 mxf_utf16_local_tag_length(version);
736 klv_encode_ber_length(pb, length);
739 mxf_write_local_tag(pb, 16, 0x3C0A);
740 mxf_write_uuid(pb, Identification, 0);
741 PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
743 // write generation uid
744 mxf_write_local_tag(pb, 16, 0x3C09);
745 mxf_write_uuid(pb, Identification, 1);
746 mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
747 mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
749 mxf_write_local_tag(pb, 10, 0x3C03); // Product Version
752 mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
755 mxf_write_local_tag(pb, 16, 0x3C05);
756 mxf_write_uuid(pb, Identification, 2);
759 mxf_write_local_tag(pb, 8, 0x3C06);
760 avio_wb64(pb, mxf->timestamp);
762 mxf_write_local_tag(pb, 10, 0x3C07); // Toolkit Version
766 static void mxf_write_content_storage(AVFormatContext *s, MXFPackage *packages, int package_count)
768 AVIOContext *pb = s->pb;
771 mxf_write_metadata_key(pb, 0x011800);
772 PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
773 klv_encode_ber_length(pb, 60 + (16 * package_count));
776 mxf_write_local_tag(pb, 16, 0x3C0A);
777 mxf_write_uuid(pb, ContentStorage, 0);
778 PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
780 // write package reference
781 mxf_write_local_tag(pb, 16 * package_count + 8, 0x1901);
782 mxf_write_refs_count(pb, package_count);
783 for (i = 0; i < package_count; i++) {
784 mxf_write_uuid(pb, packages[i].type, packages[i].instance);
787 // write essence container data
788 mxf_write_local_tag(pb, 8 + 16, 0x1902);
789 mxf_write_refs_count(pb, 1);
790 mxf_write_uuid(pb, EssenceContainerData, 0);
793 static void mxf_write_track(AVFormatContext *s, AVStream *st, MXFPackage *package)
795 MXFContext *mxf = s->priv_data;
796 AVIOContext *pb = s->pb;
797 MXFStreamContext *sc = st->priv_data;
799 mxf_write_metadata_key(pb, 0x013b00);
800 PRINT_KEY(s, "track key", pb->buf_ptr - 16);
801 klv_encode_ber_length(pb, 80);
804 mxf_write_local_tag(pb, 16, 0x3C0A);
805 mxf_write_uuid(pb, Track, mxf->track_instance_count);
806 PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
809 mxf_write_local_tag(pb, 4, 0x4801);
810 avio_wb32(pb, st->index+2);
812 // write track number
813 mxf_write_local_tag(pb, 4, 0x4804);
814 if (package->type == MaterialPackage)
815 avio_wb32(pb, 0); // track number of material package is 0
817 avio_write(pb, sc->track_essence_element_key + 12, 4);
820 mxf_write_local_tag(pb, 8, 0x4B01);
822 if (st == mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer) {
823 avio_wb32(pb, mxf->tc.rate.num);
824 avio_wb32(pb, mxf->tc.rate.den);
826 avio_wb32(pb, mxf->time_base.den);
827 avio_wb32(pb, mxf->time_base.num);
831 mxf_write_local_tag(pb, 8, 0x4B02);
834 // write sequence refs
835 mxf_write_local_tag(pb, 16, 0x4803);
836 mxf_write_uuid(pb, Sequence, mxf->track_instance_count);
839 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 };
841 static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
843 MXFContext *mxf = s->priv_data;
844 AVIOContext *pb = s->pb;
846 // find data define uls
847 mxf_write_local_tag(pb, 16, 0x0201);
848 if (st == mxf->timecode_track)
849 avio_write(pb, smpte_12m_timecode_track_data_ul, 16);
851 const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codecpar->codec_type);
852 avio_write(pb, data_def_ul->uid, 16);
856 mxf_write_local_tag(pb, 8, 0x0202);
858 if (st != mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer && st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
859 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
861 avio_wb64(pb, mxf->duration);
865 static void mxf_write_sequence(AVFormatContext *s, AVStream *st, MXFPackage *package)
867 MXFContext *mxf = s->priv_data;
868 AVIOContext *pb = s->pb;
869 enum MXFMetadataSetType component;
871 mxf_write_metadata_key(pb, 0x010f00);
872 PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
873 klv_encode_ber_length(pb, 80);
875 mxf_write_local_tag(pb, 16, 0x3C0A);
876 mxf_write_uuid(pb, Sequence, mxf->track_instance_count);
878 PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
879 mxf_write_common_fields(s, st);
881 // write structural component
882 mxf_write_local_tag(pb, 16 + 8, 0x1001);
883 mxf_write_refs_count(pb, 1);
884 if (st == mxf->timecode_track)
885 component = TimecodeComponent;
887 component = SourceClip;
889 mxf_write_uuid(pb, component, mxf->track_instance_count);
892 static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, MXFPackage *package)
894 MXFContext *mxf = s->priv_data;
895 AVIOContext *pb = s->pb;
897 mxf_write_metadata_key(pb, 0x011400);
898 klv_encode_ber_length(pb, 75);
901 mxf_write_local_tag(pb, 16, 0x3C0A);
902 mxf_write_uuid(pb, TimecodeComponent, mxf->track_instance_count);
904 mxf_write_common_fields(s, st);
907 mxf_write_local_tag(pb, 8, 0x1501);
908 avio_wb64(pb, mxf->tc.start);
910 // Rounded Time Code Base
911 mxf_write_local_tag(pb, 2, 0x1502);
912 avio_wb16(pb, mxf->timecode_base);
915 mxf_write_local_tag(pb, 1, 0x1503);
916 avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
919 static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, MXFPackage *package)
921 MXFContext *mxf = s->priv_data;
922 AVIOContext *pb = s->pb;
925 mxf_write_metadata_key(pb, 0x011100);
926 PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
927 klv_encode_ber_length(pb, 108);
930 mxf_write_local_tag(pb, 16, 0x3C0A);
931 mxf_write_uuid(pb, SourceClip, mxf->track_instance_count);
933 PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
934 mxf_write_common_fields(s, st);
936 // write start_position
937 mxf_write_local_tag(pb, 8, 0x1201);
940 // write source package uid, end of the reference
941 mxf_write_local_tag(pb, 32, 0x1101);
943 for (i = 0; i < 4; i++)
946 mxf_write_umid(s, package->ref->instance);
948 // write source track id
949 mxf_write_local_tag(pb, 4, 0x1102);
950 if (package->type == SourcePackage && !package->ref)
953 avio_wb32(pb, st->index+2);
956 static void mxf_write_tape_descriptor(AVFormatContext *s)
958 AVIOContext *pb = s->pb;
960 mxf_write_metadata_key(pb, 0x012e00);
961 PRINT_KEY(s, "tape descriptor key", pb->buf_ptr - 16);
962 klv_encode_ber_length(pb, 20);
963 mxf_write_local_tag(pb, 16, 0x3C0A);
964 mxf_write_uuid(pb, TapeDescriptor, 0);
965 PRINT_KEY(s, "tape_desc uid", pb->buf_ptr - 16);
969 static void mxf_write_multi_descriptor(AVFormatContext *s)
971 MXFContext *mxf = s->priv_data;
972 AVIOContext *pb = s->pb;
976 mxf_write_metadata_key(pb, 0x014400);
977 PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
978 klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
980 mxf_write_local_tag(pb, 16, 0x3C0A);
981 mxf_write_uuid(pb, MultipleDescriptor, 0);
982 PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
985 mxf_write_local_tag(pb, 8, 0x3001);
986 avio_wb32(pb, mxf->time_base.den);
987 avio_wb32(pb, mxf->time_base.num);
989 // write essence container ul
990 mxf_write_local_tag(pb, 16, 0x3004);
991 if (mxf->essence_container_count > 1)
992 ul = multiple_desc_ul;
994 MXFStreamContext *sc = s->streams[0]->priv_data;
995 ul = *sc->container_ul;
997 avio_write(pb, ul, 16);
999 // write sub descriptor refs
1000 mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01);
1001 mxf_write_refs_count(pb, s->nb_streams);
1002 for (i = 0; i < s->nb_streams; i++)
1003 mxf_write_uuid(pb, SubDescriptor, i);
1006 static int64_t mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key)
1008 MXFContext *mxf = s->priv_data;
1009 MXFStreamContext *sc = st->priv_data;
1010 AVIOContext *pb = s->pb;
1013 avio_write(pb, key, 16);
1014 klv_encode_ber4_length(pb, 0);
1015 pos = avio_tell(pb);
1017 mxf_write_local_tag(pb, 16, 0x3C0A);
1018 mxf_write_uuid(pb, SubDescriptor, st->index);
1020 mxf_write_local_tag(pb, 4, 0x3006);
1021 avio_wb32(pb, st->index+2);
1023 mxf_write_local_tag(pb, 8, 0x3001);
1024 if (s->oformat == &ff_mxf_d10_muxer) {
1025 avio_wb32(pb, mxf->time_base.den);
1026 avio_wb32(pb, mxf->time_base.num);
1028 if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S16LE ||
1029 st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
1030 avio_wb32(pb, st->codecpar->sample_rate);
1033 avio_wb32(pb, mxf->time_base.den);
1034 avio_wb32(pb, mxf->time_base.num);
1038 mxf_write_local_tag(pb, 16, 0x3004);
1039 avio_write(pb, *sc->container_ul, 16);
1044 static const UID mxf_s436m_anc_descriptor_key = { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x5c,0x00 };
1045 static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
1046 static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
1047 static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
1048 static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
1049 static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
1051 static const UID mxf_avc_subdescriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x6E,0x00 };
1053 static int get_trc(UID ul, enum AVColorTransferCharacteristic trc)
1056 case AVCOL_TRC_GAMMA28 :
1057 case AVCOL_TRC_GAMMA22 :
1058 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x01,0x00,0x00}), 16);
1060 case AVCOL_TRC_BT709 :
1061 case AVCOL_TRC_SMPTE170M :
1062 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x02,0x00,0x00}), 16);
1064 case AVCOL_TRC_SMPTE240M :
1065 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x03,0x00,0x00}), 16);
1067 case AVCOL_TRC_BT1361_ECG:
1068 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x06,0x04,0x01,0x01,0x01,0x01,0x05,0x00,0x00}), 16);
1070 case AVCOL_TRC_LINEAR :
1071 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x06,0x04,0x01,0x01,0x01,0x01,0x06,0x00,0x00}), 16);
1073 case AVCOL_TRC_SMPTE428 :
1074 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x08,0x04,0x01,0x01,0x01,0x01,0x07,0x00,0x00}), 16);
1081 static int64_t mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key)
1083 MXFStreamContext *sc = st->priv_data;
1084 AVIOContext *pb = s->pb;
1085 int stored_width = 0;
1086 int stored_height = (st->codecpar->height+15)/16*16;
1089 UID transfer_ul = {0};
1090 int64_t pos = mxf_write_generic_desc(s, st, key);
1092 get_trc(transfer_ul, st->codecpar->color_trc);
1094 if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) {
1095 if (st->codecpar->height == 1080)
1096 stored_width = 1920;
1097 else if (st->codecpar->height == 720)
1098 stored_width = 1280;
1101 stored_width = (st->codecpar->width+15)/16*16;
1103 mxf_write_local_tag(pb, 4, 0x3203);
1104 avio_wb32(pb, stored_width);
1106 mxf_write_local_tag(pb, 4, 0x3202);
1107 avio_wb32(pb, stored_height>>sc->interlaced);
1109 if (s->oformat == &ff_mxf_d10_muxer) {
1111 mxf_write_local_tag(pb, 4, 0x3216);
1114 //Image Start Offset
1115 mxf_write_local_tag(pb, 4, 0x3213);
1119 mxf_write_local_tag(pb, 4, 0x3214);
1124 mxf_write_local_tag(pb, 4, 0x3205);
1125 avio_wb32(pb, stored_width);
1128 mxf_write_local_tag(pb, 4, 0x3204);
1129 avio_wb32(pb, st->codecpar->height>>sc->interlaced);
1132 mxf_write_local_tag(pb, 4, 0x3206);
1136 mxf_write_local_tag(pb, 4, 0x3207);
1139 mxf_write_local_tag(pb, 4, 0x3209);
1140 avio_wb32(pb, stored_width);
1142 if (st->codecpar->height == 608) // PAL + VBI
1143 display_height = 576;
1144 else if (st->codecpar->height == 512) // NTSC + VBI
1145 display_height = 486;
1147 display_height = st->codecpar->height;
1149 mxf_write_local_tag(pb, 4, 0x3208);
1150 avio_wb32(pb, display_height>>sc->interlaced);
1153 mxf_write_local_tag(pb, 4, 0x320A);
1157 mxf_write_local_tag(pb, 4, 0x320B);
1158 avio_wb32(pb, (st->codecpar->height - display_height)>>sc->interlaced);
1160 if (sc->interlaced) {
1162 mxf_write_local_tag(pb, 4, 0x3217);
1163 avio_wb32(pb, -((st->codecpar->height - display_height)&1));
1167 mxf_write_local_tag(pb, 4, 0x3301);
1168 avio_wb32(pb, sc->component_depth);
1170 // horizontal subsampling
1171 mxf_write_local_tag(pb, 4, 0x3302);
1172 avio_wb32(pb, sc->h_chroma_sub_sample);
1174 // vertical subsampling
1175 mxf_write_local_tag(pb, 4, 0x3308);
1176 avio_wb32(pb, sc->v_chroma_sub_sample);
1179 mxf_write_local_tag(pb, 1, 0x3303);
1180 avio_w8(pb, sc->color_siting);
1183 mxf_write_local_tag(pb, 2, 0x3307);
1186 if (st->codecpar->color_range != AVCOL_RANGE_UNSPECIFIED) {
1188 white = (1<<sc->component_depth) - 1,
1189 color = (1<<sc->component_depth) - 1;
1190 if (st->codecpar->color_range == AVCOL_RANGE_MPEG) {
1191 black = 1 << (sc->component_depth - 4);
1192 white = 235 << (sc->component_depth - 8);
1193 color = (14 << (sc->component_depth - 4)) + 1;
1195 mxf_write_local_tag(pb, 4, 0x3304);
1196 avio_wb32(pb, black);
1197 mxf_write_local_tag(pb, 4, 0x3305);
1198 avio_wb32(pb, white);
1199 mxf_write_local_tag(pb, 4, 0x3306);
1200 avio_wb32(pb, color);
1203 if (sc->signal_standard) {
1204 mxf_write_local_tag(pb, 1, 0x3215);
1205 avio_w8(pb, sc->signal_standard);
1209 mxf_write_local_tag(pb, 1, 0x320C);
1210 avio_w8(pb, sc->interlaced);
1213 switch (st->codecpar->height) {
1214 case 576: f1 = 23; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break;
1215 case 608: f1 = 7; f2 = 320; break;
1216 case 480: f1 = 20; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
1217 case 512: f1 = 7; f2 = 270; break;
1218 case 720: f1 = 26; f2 = 0; break; // progressive
1219 case 1080: f1 = 21; f2 = 584; break;
1220 default: f1 = 0; f2 = 0; break;
1223 if (!sc->interlaced && f2) {
1229 mxf_write_local_tag(pb, 16, 0x320D);
1235 mxf_write_local_tag(pb, 8, 0x320E);
1236 avio_wb32(pb, sc->aspect_ratio.num);
1237 avio_wb32(pb, sc->aspect_ratio.den);
1239 //Transfer characteristic
1240 if (transfer_ul[0]) {
1241 mxf_write_local_tag(pb, 16, 0x3210);
1242 avio_write(pb, transfer_ul, 16);
1245 mxf_write_local_tag(pb, 16, 0x3201);
1246 avio_write(pb, *sc->codec_ul, 16);
1248 if (sc->interlaced && sc->field_dominance) {
1249 mxf_write_local_tag(pb, 1, 0x3212);
1250 avio_w8(pb, sc->field_dominance);
1253 if (st->codecpar->codec_id == AV_CODEC_ID_H264 && !sc->avc_intra) {
1254 // write avc sub descriptor ref
1255 mxf_write_local_tag(pb, 8 + 16, 0x8100);
1256 mxf_write_refs_count(pb, 1);
1257 mxf_write_uuid(pb, AVCSubDescriptor, 0);
1263 static void mxf_update_klv_size(AVIOContext *pb, int64_t pos)
1265 int64_t cur_pos = avio_tell(pb);
1266 int size = cur_pos - pos;
1267 avio_seek(pb, pos - 4, SEEK_SET);
1268 klv_encode_ber4_length(pb, size);
1269 avio_seek(pb, cur_pos, SEEK_SET);
1272 static void mxf_write_avc_subdesc(AVFormatContext *s, AVStream *st)
1274 AVIOContext *pb = s->pb;
1277 avio_write(pb, mxf_avc_subdescriptor_key, 16);
1278 klv_encode_ber4_length(pb, 0);
1279 pos = avio_tell(pb);
1281 mxf_write_local_tag(pb, 16, 0x3C0A);
1282 mxf_write_uuid(pb, AVCSubDescriptor, 0);
1284 mxf_write_local_tag(pb, 1, 0x8200);
1285 avio_w8(pb, 0xFF); // AVC Decoding Delay, unknown
1287 mxf_write_local_tag(pb, 1, 0x8201);
1288 avio_w8(pb, st->codecpar->profile); // AVC Profile
1290 mxf_write_local_tag(pb, 1, 0x8202);
1291 avio_w8(pb, st->codecpar->level); // AVC Level
1293 mxf_update_klv_size(s->pb, pos);
1296 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
1298 int64_t pos = mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key);
1299 mxf_update_klv_size(s->pb, pos);
1301 if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
1302 mxf_write_avc_subdesc(s, st);
1306 static void mxf_write_h264_desc(AVFormatContext *s, AVStream *st)
1308 MXFStreamContext *sc = st->priv_data;
1309 if (sc->avc_intra) {
1310 mxf_write_mpegvideo_desc(s, st);
1312 int64_t pos = mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key);
1313 mxf_update_klv_size(s->pb, pos);
1314 mxf_write_avc_subdesc(s, st);
1318 static void mxf_write_s436m_anc_desc(AVFormatContext *s, AVStream *st)
1320 int64_t pos = mxf_write_generic_desc(s, st, mxf_s436m_anc_descriptor_key);
1321 mxf_update_klv_size(s->pb, pos);
1324 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
1326 AVIOContext *pb = s->pb;
1327 MXFStreamContext *sc = st->priv_data;
1328 int profile_and_level = (st->codecpar->profile<<4) | st->codecpar->level;
1329 int64_t pos = mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key);
1331 if (st->codecpar->codec_id != AV_CODEC_ID_H264) {
1333 mxf_write_local_tag(pb, 4, 0x8000);
1334 avio_wb32(pb, sc->video_bit_rate);
1336 // profile and level
1337 mxf_write_local_tag(pb, 1, 0x8007);
1338 if (!st->codecpar->profile)
1339 profile_and_level |= 0x80; // escape bit
1340 avio_w8(pb, profile_and_level);
1343 mxf_write_local_tag(pb, 1, 0x8003);
1344 avio_w8(pb, sc->low_delay);
1347 mxf_write_local_tag(pb, 1, 0x8004);
1348 avio_w8(pb, sc->seq_closed_gop);
1351 mxf_write_local_tag(pb, 2, 0x8006);
1352 avio_wb16(pb, sc->max_gop);
1355 mxf_write_local_tag(pb, 2, 0x8008);
1356 avio_wb16(pb, sc->b_picture_count);
1359 mxf_update_klv_size(pb, pos);
1362 static int64_t mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key)
1364 AVIOContext *pb = s->pb;
1365 MXFContext *mxf = s->priv_data;
1366 int show_warnings = !mxf->footer_partition_offset;
1367 int64_t pos = mxf_write_generic_desc(s, st, key);
1369 if (s->oformat == &ff_mxf_opatom_muxer) {
1370 mxf_write_local_tag(pb, 8, 0x3002);
1371 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
1375 mxf_write_local_tag(pb, 1, 0x3D02);
1378 // write audio sampling rate
1379 mxf_write_local_tag(pb, 8, 0x3D03);
1380 avio_wb32(pb, st->codecpar->sample_rate);
1383 if (s->oformat == &ff_mxf_d10_muxer) {
1384 mxf_write_local_tag(pb, 1, 0x3D04);
1388 mxf_write_local_tag(pb, 4, 0x3D07);
1389 if (mxf->channel_count == -1) {
1390 if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codecpar->channels != 4) && (st->codecpar->channels != 8))
1391 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");
1392 avio_wb32(pb, st->codecpar->channels);
1393 } else if (s->oformat == &ff_mxf_d10_muxer) {
1394 if (show_warnings && (mxf->channel_count < st->codecpar->channels))
1395 av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1396 if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1397 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");
1398 avio_wb32(pb, mxf->channel_count);
1400 avio_wb32(pb, st->codecpar->channels);
1403 mxf_write_local_tag(pb, 4, 0x3D01);
1404 avio_wb32(pb, av_get_bits_per_sample(st->codecpar->codec_id));
1409 static int64_t mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key)
1411 AVIOContext *pb = s->pb;
1412 int64_t pos = mxf_write_generic_sound_common(s, st, key);
1414 mxf_write_local_tag(pb, 2, 0x3D0A);
1415 avio_wb16(pb, st->codecpar->block_align);
1417 // avg bytes per sec
1418 mxf_write_local_tag(pb, 4, 0x3D09);
1419 avio_wb32(pb, st->codecpar->block_align*st->codecpar->sample_rate);
1424 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
1426 int64_t pos = mxf_write_wav_common(s, st, mxf_wav_descriptor_key);
1427 mxf_update_klv_size(s->pb, pos);
1430 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
1432 int64_t pos = mxf_write_wav_common(s, st, mxf_aes3_descriptor_key);
1433 mxf_update_klv_size(s->pb, pos);
1436 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
1438 int64_t pos = mxf_write_generic_sound_common(s, st, mxf_generic_sound_descriptor_key);
1439 mxf_update_klv_size(s->pb, pos);
1442 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 };
1444 static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value)
1446 MXFContext *mxf = s->priv_data;
1447 AVIOContext *pb = s->pb;
1448 int name_size = mxf_utf16_local_tag_length(name);
1449 int indirect_value_size = 13 + mxf_utf16_local_tag_length(value);
1451 if (!name_size || indirect_value_size == 13)
1454 mxf_write_metadata_key(pb, 0x013f00);
1455 klv_encode_ber_length(pb, 24 + name_size + indirect_value_size);
1457 // write instance UID
1458 mxf_write_local_tag(pb, 16, 0x3C0A);
1459 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count);
1462 mxf_write_local_tag_utf16(pb, 0x5001, name); // Name
1464 // write indirect value
1465 mxf_write_local_tag(pb, indirect_value_size, 0x5003);
1466 avio_write(pb, mxf_indirect_value_utf16le, 17);
1467 avio_put_str16le(pb, value);
1469 mxf->tagged_value_count++;
1473 static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m)
1475 MXFContext *mxf = s->priv_data;
1476 AVDictionaryEntry *t = NULL;
1479 while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) {
1480 if (mxf->tagged_value_count >= UINT16_MAX) {
1481 av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n");
1485 if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0)
1491 static void mxf_write_package(AVFormatContext *s, MXFPackage *package)
1493 MXFContext *mxf = s->priv_data;
1494 AVIOContext *pb = s->pb;
1495 int i, track_count = s->nb_streams+1;
1496 int name_size = mxf_utf16_local_tag_length(package->name);
1497 int user_comment_count = 0;
1499 if (package->type == MaterialPackage) {
1500 if (mxf->store_user_comments)
1501 user_comment_count = mxf_write_user_comments(s, s->metadata);
1502 mxf_write_metadata_key(pb, 0x013600);
1503 PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1504 klv_encode_ber_length(pb, 92 + name_size + (16*track_count) + (16*user_comment_count) + 12LL*mxf->store_user_comments);
1506 mxf_write_metadata_key(pb, 0x013700);
1507 PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1508 klv_encode_ber_length(pb, 112 + name_size + (16*track_count) + 12LL*mxf->store_user_comments); // 20 bytes length for descriptor reference
1512 mxf_write_local_tag(pb, 16, 0x3C0A);
1513 mxf_write_uuid(pb, package->type, package->instance);
1514 av_log(s, AV_LOG_DEBUG, "package type:%d\n", package->type);
1515 PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1517 // write package umid
1518 mxf_write_local_tag(pb, 32, 0x4401);
1519 mxf_write_umid(s, package->instance);
1520 PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1524 mxf_write_local_tag_utf16(pb, 0x4402, package->name);
1526 // package creation date
1527 mxf_write_local_tag(pb, 8, 0x4405);
1528 avio_wb64(pb, mxf->timestamp);
1530 // package modified date
1531 mxf_write_local_tag(pb, 8, 0x4404);
1532 avio_wb64(pb, mxf->timestamp);
1535 mxf_write_local_tag(pb, track_count*16 + 8, 0x4403);
1536 mxf_write_refs_count(pb, track_count);
1537 // these are the uuids of the tracks the will be written in mxf_write_track
1538 for (i = 0; i < track_count; i++)
1539 mxf_write_uuid(pb, Track, mxf->track_instance_count + i);
1541 // write user comment refs
1542 if (mxf->store_user_comments) {
1543 mxf_write_local_tag(pb, user_comment_count*16 + 8, 0x4406);
1544 mxf_write_refs_count(pb, user_comment_count);
1545 for (i = 0; i < user_comment_count; i++)
1546 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i);
1549 // write multiple descriptor reference
1550 if (package->type == SourcePackage && package->instance == 1) {
1551 mxf_write_local_tag(pb, 16, 0x4701);
1552 if (s->nb_streams > 1) {
1553 mxf_write_uuid(pb, MultipleDescriptor, 0);
1554 mxf_write_multi_descriptor(s);
1556 mxf_write_uuid(pb, SubDescriptor, 0);
1557 } else if (package->type == SourcePackage && package->instance == 2) {
1558 mxf_write_local_tag(pb, 16, 0x4701);
1559 mxf_write_uuid(pb, TapeDescriptor, 0);
1560 mxf_write_tape_descriptor(s);
1564 * for every 1 track in a package there is 1 sequence and 1 component.
1565 * all 3 of these elements share the same instance number for generating
1566 * there instance uuids. mxf->track_instance_count stores this value.
1567 * mxf->track_instance_count is incremented after a group of all 3 of
1568 * these elements are written.
1571 // write timecode track
1572 mxf_write_track(s, mxf->timecode_track, package);
1573 mxf_write_sequence(s, mxf->timecode_track, package);
1574 mxf_write_timecode_component(s, mxf->timecode_track, package);
1575 mxf->track_instance_count++;
1577 for (i = 0; i < s->nb_streams; i++) {
1578 AVStream *st = s->streams[i];
1579 mxf_write_track(s, st, package);
1580 mxf_write_sequence(s, st, package);
1581 mxf_write_structural_component(s, st, package);
1582 mxf->track_instance_count++;
1584 if (package->type == SourcePackage && package->instance == 1) {
1585 MXFStreamContext *sc = st->priv_data;
1586 mxf_essence_container_uls[sc->index].write_desc(s, st);
1591 static int mxf_write_essence_container_data(AVFormatContext *s)
1593 AVIOContext *pb = s->pb;
1595 mxf_write_metadata_key(pb, 0x012300);
1596 klv_encode_ber_length(pb, 72);
1598 mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID
1599 mxf_write_uuid(pb, EssenceContainerData, 0);
1601 mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID
1602 mxf_write_umid(s, 1);
1604 mxf_write_local_tag(pb, 4, 0x3F07); // BodySID
1607 mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID
1613 static int mxf_write_header_metadata_sets(AVFormatContext *s)
1615 MXFContext *mxf = s->priv_data;
1616 AVDictionaryEntry *entry = NULL;
1617 AVStream *st = NULL;
1619 MXFPackage packages[3] = {{0}};
1620 int package_count = 2;
1621 packages[0].type = MaterialPackage;
1622 packages[1].type = SourcePackage;
1623 packages[1].instance = 1;
1624 packages[0].ref = &packages[1];
1627 if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0))
1628 packages[0].name = entry->value;
1630 if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) {
1631 packages[1].name = entry->value;
1633 /* check if any of the streams contain a file_package_name */
1634 for (i = 0; i < s->nb_streams; i++) {
1636 if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) {
1637 packages[1].name = entry->value;
1643 entry = av_dict_get(s->metadata, "reel_name", NULL, 0);
1645 packages[2].name = entry->value;
1646 packages[2].type = SourcePackage;
1647 packages[2].instance = 2;
1648 packages[1].ref = &packages[2];
1652 mxf_write_preface(s);
1653 mxf_write_identification(s);
1654 mxf_write_content_storage(s, packages, package_count);
1655 mxf->track_instance_count = 0;
1656 for (i = 0; i < package_count; i++)
1657 mxf_write_package(s, &packages[i]);
1658 mxf_write_essence_container_data(s);
1662 static unsigned klv_fill_size(uint64_t size)
1664 unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1665 if (pad < 20) // smallest fill item possible
1666 return pad + KAG_SIZE;
1668 return pad & (KAG_SIZE-1);
1671 static void mxf_write_index_table_segment(AVFormatContext *s)
1673 MXFContext *mxf = s->priv_data;
1674 AVIOContext *pb = s->pb;
1675 int i, j, temporal_reordering = 0;
1676 int key_index = mxf->last_key_index;
1677 int prev_non_b_picture = 0;
1678 int audio_frame_size = 0;
1681 av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1683 if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1686 avio_write(pb, index_table_segment_key, 16);
1688 klv_encode_ber4_length(pb, 0);
1689 pos = avio_tell(pb);
1692 mxf_write_local_tag(pb, 16, 0x3C0A);
1693 mxf_write_uuid(pb, IndexTableSegment, 0);
1696 mxf_write_local_tag(pb, 8, 0x3F0B);
1697 avio_wb32(pb, mxf->time_base.den);
1698 avio_wb32(pb, mxf->time_base.num);
1700 // index start position
1701 mxf_write_local_tag(pb, 8, 0x3F0C);
1702 avio_wb64(pb, mxf->last_indexed_edit_unit);
1705 mxf_write_local_tag(pb, 8, 0x3F0D);
1706 if (mxf->edit_unit_byte_count)
1707 avio_wb64(pb, 0); // index table covers whole container
1709 avio_wb64(pb, mxf->edit_units_count);
1711 // edit unit byte count
1712 mxf_write_local_tag(pb, 4, 0x3F05);
1713 avio_wb32(pb, mxf->edit_unit_byte_count);
1716 mxf_write_local_tag(pb, 4, 0x3F06);
1720 mxf_write_local_tag(pb, 4, 0x3F07);
1723 // real slice count - 1
1724 mxf_write_local_tag(pb, 1, 0x3F08);
1725 avio_w8(pb, !mxf->edit_unit_byte_count); // only one slice for CBR
1727 // delta entry array
1728 mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
1729 avio_wb32(pb, s->nb_streams+1); // num of entries
1730 avio_wb32(pb, 6); // size of one entry
1731 // write system item delta entry
1733 avio_w8(pb, 0); // slice entry
1734 avio_wb32(pb, 0); // element delta
1735 // write each stream delta entry
1736 for (i = 0; i < s->nb_streams; i++) {
1737 AVStream *st = s->streams[i];
1738 MXFStreamContext *sc = st->priv_data;
1739 avio_w8(pb, sc->temporal_reordering);
1740 if (sc->temporal_reordering)
1741 temporal_reordering = 1;
1742 if (mxf->edit_unit_byte_count) {
1743 avio_w8(pb, 0); // slice number
1744 avio_wb32(pb, sc->slice_offset);
1745 } else if (i == 0) { // video track
1746 avio_w8(pb, 0); // slice number
1747 avio_wb32(pb, KAG_SIZE); // system item size including klv fill
1748 } else { // audio or data track
1749 if (!audio_frame_size) {
1750 audio_frame_size = sc->aic.samples[0]*sc->aic.sample_size;
1751 audio_frame_size += klv_fill_size(audio_frame_size);
1754 avio_wb32(pb, (i-1)*audio_frame_size); // element delta
1758 if (!mxf->edit_unit_byte_count) {
1759 MXFStreamContext *sc = s->streams[0]->priv_data;
1760 mxf_write_local_tag(pb, 8 + mxf->edit_units_count*15, 0x3F0A);
1761 avio_wb32(pb, mxf->edit_units_count); // num of entries
1762 avio_wb32(pb, 15); // size of one entry
1764 for (i = 0; i < mxf->edit_units_count; i++) {
1765 int temporal_offset = 0;
1767 if (!(mxf->index_entries[i].flags & 0x33)) { // I-frame
1768 sc->max_gop = FFMAX(sc->max_gop, i - mxf->last_key_index);
1769 mxf->last_key_index = key_index;
1773 if (temporal_reordering) {
1774 int pic_num_in_gop = i - key_index;
1775 if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
1776 for (j = key_index; j < mxf->edit_units_count; j++) {
1777 if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
1780 if (j == mxf->edit_units_count)
1781 av_log(s, AV_LOG_WARNING, "missing frames\n");
1782 temporal_offset = j - key_index - pic_num_in_gop;
1785 avio_w8(pb, temporal_offset);
1787 if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
1788 sc->b_picture_count = FFMAX(sc->b_picture_count, i - prev_non_b_picture);
1789 avio_w8(pb, mxf->last_key_index - i);
1791 avio_w8(pb, key_index - i); // key frame offset
1792 if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
1793 mxf->last_key_index = key_index;
1794 prev_non_b_picture = i;
1797 if (!(mxf->index_entries[i].flags & 0x33) && // I-frame
1798 mxf->index_entries[i].flags & 0x40 && !temporal_offset)
1799 mxf->index_entries[i].flags |= 0x80; // random access
1800 avio_w8(pb, mxf->index_entries[i].flags);
1802 avio_wb64(pb, mxf->index_entries[i].offset);
1803 if (s->nb_streams > 1)
1804 avio_wb32(pb, mxf->index_entries[i].slice_offset);
1809 mxf->last_key_index = key_index - mxf->edit_units_count;
1810 mxf->last_indexed_edit_unit += mxf->edit_units_count;
1811 mxf->edit_units_count = 0;
1814 mxf_update_klv_size(pb, pos);
1817 static void mxf_write_klv_fill(AVFormatContext *s)
1819 unsigned pad = klv_fill_size(avio_tell(s->pb));
1821 avio_write(s->pb, klv_fill_key, 16);
1823 klv_encode_ber4_length(s->pb, pad);
1824 ffio_fill(s->pb, 0, pad);
1825 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
1829 static int mxf_write_partition(AVFormatContext *s, int bodysid,
1831 const uint8_t *key, int write_metadata)
1833 MXFContext *mxf = s->priv_data;
1834 AVIOContext *pb = s->pb;
1835 int64_t header_byte_count_offset;
1836 unsigned index_byte_count = 0;
1837 uint64_t partition_offset = avio_tell(pb);
1840 if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
1841 index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
1842 12+mxf->edit_units_count*15;
1843 else if (mxf->edit_unit_byte_count && indexsid)
1844 index_byte_count = 80;
1846 if (index_byte_count) {
1847 index_byte_count += 16 + 4; // add encoded ber4 length
1848 index_byte_count += klv_fill_size(index_byte_count);
1851 if (key && !memcmp(key, body_partition_key, 16)) {
1852 if ((err = av_reallocp_array(&mxf->body_partition_offset, mxf->body_partitions_count + 1,
1853 sizeof(*mxf->body_partition_offset))) < 0) {
1854 mxf->body_partitions_count = 0;
1857 mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
1862 avio_write(pb, key, 16);
1864 avio_write(pb, body_partition_key, 16);
1866 klv_encode_ber4_length(pb, 88 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
1868 // write partition value
1869 avio_wb16(pb, 1); // majorVersion
1870 avio_wb16(pb, 3); // minorVersion
1871 avio_wb32(pb, KAG_SIZE); // KAGSize
1873 avio_wb64(pb, partition_offset); // ThisPartition
1875 if (key && !memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
1876 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
1877 else if (key && !memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
1878 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
1882 avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
1885 header_byte_count_offset = avio_tell(pb);
1886 avio_wb64(pb, 0); // headerByteCount, update later
1889 avio_wb64(pb, index_byte_count); // indexByteCount
1890 avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
1893 if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && s->oformat != &ff_mxf_opatom_muxer)
1894 avio_wb64(pb, mxf->body_offset);
1898 avio_wb32(pb, bodysid); // bodySID
1900 // operational pattern
1901 if (s->oformat == &ff_mxf_opatom_muxer)
1902 avio_write(pb, opatom_ul, 16);
1904 avio_write(pb, op1a_ul, 16);
1906 // essence container
1907 mxf_write_essence_container_refs(s);
1909 if (write_metadata) {
1910 // mark the start of the headermetadata and calculate metadata size
1912 unsigned header_byte_count;
1914 mxf_write_klv_fill(s);
1915 start = avio_tell(s->pb);
1916 mxf_write_primer_pack(s);
1917 mxf_write_klv_fill(s);
1918 mxf_write_header_metadata_sets(s);
1919 pos = avio_tell(s->pb);
1920 header_byte_count = pos - start + klv_fill_size(pos);
1922 // update header_byte_count
1923 avio_seek(pb, header_byte_count_offset, SEEK_SET);
1924 avio_wb64(pb, header_byte_count);
1925 avio_seek(pb, pos, SEEK_SET);
1929 avio_write_marker(pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
1934 static const struct {
1937 } mxf_prores_codec_uls[] = {
1938 { FF_PROFILE_PRORES_PROXY, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x01,0x00 } },
1939 { FF_PROFILE_PRORES_LT, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x02,0x00 } },
1940 { FF_PROFILE_PRORES_STANDARD, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x03,0x00 } },
1941 { FF_PROFILE_PRORES_HQ, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x04,0x00 } },
1942 { FF_PROFILE_PRORES_4444, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x05,0x00 } },
1943 { FF_PROFILE_PRORES_XQ, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x06,0x00 } },
1946 static int mxf_parse_prores_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
1948 MXFContext *mxf = s->priv_data;
1949 MXFStreamContext *sc = st->priv_data;
1952 if (mxf->header_written)
1955 sc->codec_ul = NULL;
1956 profile = st->codecpar->profile;
1957 for (i = 0; i < FF_ARRAY_ELEMS(mxf_prores_codec_uls); i++) {
1958 if (profile == mxf_prores_codec_uls[i].profile) {
1959 sc->codec_ul = &mxf_prores_codec_uls[i].codec_ul;
1966 sc->frame_size = pkt->size;
1971 static const struct {
1974 } mxf_dnxhd_codec_uls[] = {
1975 { 1235, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 } }, // 1080p 10bit HIGH
1976 { 1237, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 } }, // 1080p 8bit MED
1977 { 1238, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 } }, // 1080p 8bit HIGH
1978 { 1241, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 } }, // 1080i 10bit HIGH
1979 { 1242, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 } }, // 1080i 8bit MED
1980 { 1243, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 } }, // 1080i 8bit HIGH
1981 { 1244, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x0a,0x00,0x00 } }, // 1080i 8bit TR
1982 { 1250, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 } }, // 720p 10bit
1983 { 1251, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 } }, // 720p 8bit HIGH
1984 { 1252, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 } }, // 720p 8bit MED
1985 { 1253, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 } }, // 720p 8bit LOW
1986 { 1256, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x16,0x00,0x00 } }, // 1080p 10bit 444
1987 { 1258, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x18,0x00,0x00 } }, // 720p 8bit TR
1988 { 1259, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x19,0x00,0x00 } }, // 1080p 8bit TR
1989 { 1260, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x1a,0x00,0x00 } }, // 1080i 8bit TR MBAFF
1990 { 1270, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x24,0x00,0x00 } }, // DNXHR 444
1991 { 1271, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x25,0x00,0x00 } }, // DNXHR HQX
1992 { 1272, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x26,0x00,0x00 } }, // DNXHR HQ
1993 { 1273, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x27,0x00,0x00 } }, // DNXHR SQ
1994 { 1274, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x28,0x00,0x00 } }, // DNXHR LB
1997 static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
1999 MXFContext *mxf = s->priv_data;
2000 MXFStreamContext *sc = st->priv_data;
2001 int i, cid, frame_size = 0;
2003 if (mxf->header_written)
2009 sc->codec_ul = NULL;
2010 cid = AV_RB32(pkt->data + 0x28);
2011 for (i = 0; i < FF_ARRAY_ELEMS(mxf_dnxhd_codec_uls); i++) {
2012 if (cid == mxf_dnxhd_codec_uls[i].cid) {
2013 sc->codec_ul = &mxf_dnxhd_codec_uls[i].codec_ul;
2020 sc->component_depth = 0;
2021 switch (pkt->data[0x21] >> 5) {
2022 case 1: sc->component_depth = 8; break;
2023 case 2: sc->component_depth = 10; break;
2024 case 3: sc->component_depth = 12; break;
2026 if (!sc->component_depth)
2029 if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) == DNXHD_VARIABLE) {
2030 frame_size = avpriv_dnxhd_get_hr_frame_size(cid, st->codecpar->width, st->codecpar->height);
2035 if ((sc->interlaced = avpriv_dnxhd_get_interlaced(cid)) < 0)
2038 if (cid >= 1270) { // RI raster
2039 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
2040 st->codecpar->width, st->codecpar->height,
2043 sc->aspect_ratio = (AVRational){ 16, 9 };
2046 sc->frame_size = pkt->size;
2051 static const struct {
2052 const UID container_ul;
2055 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x01,0x01 }, // IEC DV25 525/60
2056 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x01,0x00 } },
2057 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x02,0x01 }, // IEC DV25 626/50
2058 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x02,0x00 } },
2059 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 }, // DV25 525/60
2060 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 }, },
2061 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 }, // DV25 625/50
2062 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 }, },
2063 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 }, // DV50 525/60
2064 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 }, },
2065 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 }, // DV50 625/50
2066 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 }, },
2067 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 }, // DV100 1080/60
2068 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 }, },
2069 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 }, // DV100 1080/50
2070 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 }, },
2071 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 }, // DV100 720/60
2072 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 }, },
2073 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 }, // DV100 720/50
2074 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 }, },
2077 static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2079 MXFContext *mxf = s->priv_data;
2080 MXFStreamContext *sc = st->priv_data;
2081 uint8_t *vs_pack, *vsc_pack;
2082 int apt, ul_index, stype, pal;
2084 if (mxf->header_written)
2087 // Check for minimal frame size
2088 if (pkt->size < 120000)
2091 apt = pkt->data[4] & 0x7;
2092 vs_pack = pkt->data + 80*5 + 48;
2093 vsc_pack = pkt->data + 80*5 + 53;
2094 stype = vs_pack[3] & 0x1f;
2095 pal = (vs_pack[3] >> 5) & 0x1;
2097 if ((vsc_pack[2] & 0x07) == 0x02) {
2098 sc->aspect_ratio = (AVRational){ 16, 9 };
2100 sc->aspect_ratio = (AVRational){ 4, 3 };
2103 sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
2104 // TODO: fix dv encoder to set proper FF/FS value in VSC pack
2105 // and set field dominance accordingly
2106 // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
2109 case 0x18: // DV100 720p
2111 if (sc->interlaced) {
2112 av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
2116 case 0x14: // DV100 1080i
2130 sc->container_ul = &mxf_dv_uls[ul_index].container_ul;
2131 sc->codec_ul = &mxf_dv_uls[ul_index].codec_ul;
2133 sc->frame_size = pkt->size;
2138 static const struct {
2143 int intra_only; // 1 or 0 when there are separate UIDs for Long GOP and Intra, -1 when Intra/LGOP detection can be ignored
2144 } mxf_h264_codec_uls[] = {
2145 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x11,0x01 }, 0, 66, 0, -1 }, // AVC Baseline
2146 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x20,0x01 }, 0, 77, 0, -1 }, // AVC Main
2147 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x30,0x01 }, 0, 88, 0, -1 }, // AVC Extended
2148 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x40,0x01 }, 0, 100, 0, -1 }, // AVC High
2149 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x50,0x01 }, 0, 110, 0, 0 }, // AVC High 10
2150 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x60,0x01 }, 0, 122, 0, 0 }, // AVC High 422
2151 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x70,0x01 }, 0, 244, 0, 0 }, // AVC High 444
2152 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0, 1 }, // AVC High 10 Intra
2153 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 110, 1, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/59.94i
2154 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 110, 1, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/50i
2155 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/29.97p
2156 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/25p
2157 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 720/59.94p
2158 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 720/50p
2159 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0, 1 }, // AVC High 422 Intra
2160 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 122, 1, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/59.94i
2161 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 122, 1, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/50i
2162 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/29.97p
2163 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/25p
2164 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 720/59.94p
2165 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 720/50p
2166 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x40,0x01 }, 0, 244, 0, 1 }, // AVC High 444 Intra
2167 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x50,0x01 }, 0, 44, 0, -1 }, // AVC CAVLC 444
2170 static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st,
2171 AVPacket *pkt, MXFIndexEntry *e)
2173 MXFContext *mxf = s->priv_data;
2174 MXFStreamContext *sc = st->priv_data;
2175 H264SequenceParameterSet *sps = NULL;
2177 const uint8_t *buf = pkt->data;
2178 const uint8_t *buf_end = pkt->data + pkt->size;
2179 const uint8_t *nal_end;
2180 uint32_t state = -1;
2181 int extra_size = 512; // support AVC Intra files without SPS/PPS header
2182 int i, frame_size, slice_type, intra_only = 0;
2185 buf = avpriv_find_start_code(buf, buf_end, &state);
2189 switch (state & 0x1f) {
2193 if (mxf->header_written)
2196 nal_end = ff_avc_find_startcode(buf, buf_end);
2197 sps = ff_avc_decode_sps(buf, nal_end - buf);
2199 av_log(s, AV_LOG_ERROR, "error parsing sps\n");
2203 sc->aspect_ratio.num = st->codecpar->width * sps->sar.num;
2204 sc->aspect_ratio.den = st->codecpar->height * sps->sar.den;
2205 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
2206 sc->aspect_ratio.num, sc->aspect_ratio.den, 1024*1024);
2207 intra_only = (sps->constraint_set_flags >> 3) & 1;
2208 sc->interlaced = !sps->frame_mbs_only_flag;
2209 sc->component_depth = sps->bit_depth_luma;
2214 if (e->flags & 0x40) { // sequence header present
2215 e->flags |= 0x80; // random access
2219 case H264_NAL_IDR_SLICE:
2220 e->flags |= 0x04; // IDR Picture
2223 case H264_NAL_SLICE:
2224 init_get_bits8(&gb, buf, buf_end - buf);
2225 get_ue_golomb_long(&gb); // skip first_mb_in_slice
2226 slice_type = get_ue_golomb_31(&gb);
2227 switch (slice_type % 5) {
2229 e->flags |= 0x20; // P Picture
2230 e->flags |= 0x06; // P Picture
2233 e->flags |= 0x30; // B Picture
2234 e->flags |= 0x03; // non-referenced B Picture
2244 if (mxf->header_written)
2248 sc->interlaced = st->codecpar->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0;
2249 sc->codec_ul = NULL;
2250 frame_size = pkt->size + extra_size;
2252 for (i = 0; i < FF_ARRAY_ELEMS(mxf_h264_codec_uls); i++) {
2253 if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) {
2254 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
2255 sc->component_depth = 10; // AVC Intra is always 10 Bit
2256 sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD
2257 st->codecpar->profile = mxf_h264_codec_uls[i].profile;
2260 sc->frame_size = pkt->size;
2262 sc->field_dominance = 1; // top field first is mandatory for AVC Intra
2264 } else if (sps && mxf_h264_codec_uls[i].frame_size == 0 &&
2265 mxf_h264_codec_uls[i].profile == sps->profile_idc &&
2266 (mxf_h264_codec_uls[i].intra_only < 0 ||
2267 mxf_h264_codec_uls[i].intra_only == intra_only)) {
2268 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
2269 st->codecpar->profile = sps->profile_idc;
2270 st->codecpar->level = sps->level_idc;
2271 // continue to check for avc intra
2277 if (!sc->codec_ul) {
2278 av_log(s, AV_LOG_ERROR, "h264 profile not supported\n");
2285 static const UID mxf_mpeg2_codec_uls[] = {
2286 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
2287 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
2288 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
2289 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
2290 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
2291 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
2292 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
2293 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
2294 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
2295 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
2298 static const UID *mxf_get_mpeg2_codec_ul(AVCodecParameters *par)
2302 if (par->profile == 4) { // Main
2303 if (par->level == 8) // Main
2304 return &mxf_mpeg2_codec_uls[0+long_gop];
2305 else if (par->level == 4) // High
2306 return &mxf_mpeg2_codec_uls[4+long_gop];
2307 else if (par->level == 6) // High 14
2308 return &mxf_mpeg2_codec_uls[8+long_gop];
2309 } else if (par->profile == 0) { // 422
2310 if (par->level == 5) // Main
2311 return &mxf_mpeg2_codec_uls[2+long_gop];
2312 else if (par->level == 2) // High
2313 return &mxf_mpeg2_codec_uls[6+long_gop];
2318 static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st,
2319 AVPacket *pkt, MXFIndexEntry *e)
2321 MXFStreamContext *sc = st->priv_data;
2325 for(i = 0; i < pkt->size - 4; i++) {
2326 c = (c<<8) + pkt->data[i];
2328 if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
2329 st->codecpar->profile = pkt->data[i+1] & 0x07;
2330 st->codecpar->level = pkt->data[i+2] >> 4;
2331 sc->low_delay = pkt->data[i+6] >> 7;
2332 } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
2333 sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
2335 sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
2338 } else if (c == 0x1b8) { // gop
2339 if (pkt->data[i+4]>>6 & 0x01) { // closed
2340 if (sc->seq_closed_gop == -1)
2341 sc->seq_closed_gop = 1;
2343 if (e->flags & 0x40) // sequence header present
2344 e->flags |= 0x80; // random access
2346 sc->seq_closed_gop = 0;
2349 } else if (c == 0x1b3) { // seq
2351 switch ((pkt->data[i+4]>>4) & 0xf) {
2352 case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
2353 case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
2354 case 4: sc->aspect_ratio = (AVRational){221,100}; break;
2356 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
2357 st->codecpar->width, st->codecpar->height, 1024*1024);
2359 } else if (c == 0x100) { // pic
2360 int pict_type = (pkt->data[i+2]>>3) & 0x07;
2361 e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2362 if (pict_type == 2) { // P-frame
2364 sc->closed_gop = 0; // reset closed GOP, don't matter anymore
2365 } else if (pict_type == 3) { // B-frame
2367 e->flags |= 0x13; // only backward prediction
2370 sc->temporal_reordering = -1;
2371 } else if (!pict_type) {
2372 av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
2377 if (s->oformat != &ff_mxf_d10_muxer)
2378 sc->codec_ul = mxf_get_mpeg2_codec_ul(st->codecpar);
2379 return !!sc->codec_ul;
2382 static uint64_t mxf_parse_timestamp(int64_t timestamp64)
2384 time_t timestamp = timestamp64 / 1000000;
2386 struct tm *time = gmtime_r(×tamp, &tmbuf);
2389 return (uint64_t)(time->tm_year+1900) << 48 |
2390 (uint64_t)(time->tm_mon+1) << 40 |
2391 (uint64_t) time->tm_mday << 32 |
2392 time->tm_hour << 24 |
2393 time->tm_min << 16 |
2395 (timestamp64 % 1000000) / 4000;
2398 static void mxf_gen_umid(AVFormatContext *s)
2400 MXFContext *mxf = s->priv_data;
2401 uint32_t seed = av_get_random_seed();
2402 uint64_t umid = seed + 0x5294713400000000LL;
2404 AV_WB64(mxf->umid , umid);
2405 AV_WB64(mxf->umid+8, umid>>8);
2407 mxf->instance_number = seed & 0xFFFFFF;
2410 static int mxf_init_timecode(AVFormatContext *s, AVStream *st, AVRational rate)
2412 MXFContext *mxf = s->priv_data;
2413 AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
2415 tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
2418 return av_timecode_init_from_string(&mxf->tc, rate, tcr->value, s);
2420 return av_timecode_init(&mxf->tc, rate, 0, 0, s);
2423 static int mxf_write_header(AVFormatContext *s)
2425 MXFContext *mxf = s->priv_data;
2427 uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
2428 const MXFSamplesPerFrame *spf = NULL;
2429 int64_t timestamp = 0;
2434 if (s->oformat == &ff_mxf_opatom_muxer && s->nb_streams !=1) {
2435 av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n");
2439 if (!av_dict_get(s->metadata, "comment_", NULL, AV_DICT_IGNORE_SUFFIX))
2440 mxf->store_user_comments = 0;
2442 for (i = 0; i < s->nb_streams; i++) {
2443 AVStream *st = s->streams[i];
2444 MXFStreamContext *sc = av_mallocz(sizeof(*sc));
2446 return AVERROR(ENOMEM);
2450 if (((i == 0) ^ (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)) && s->oformat != &ff_mxf_opatom_muxer) {
2451 av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
2455 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2456 const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codecpar->format);
2457 // TODO: should be avg_frame_rate
2458 AVRational rate, tbc = st->time_base;
2459 // Default component depth to 8
2460 sc->component_depth = 8;
2461 sc->h_chroma_sub_sample = 2;
2462 sc->v_chroma_sub_sample = 2;
2463 sc->color_siting = 0xFF;
2465 if (st->codecpar->sample_aspect_ratio.num && st->codecpar->sample_aspect_ratio.den) {
2466 sc->aspect_ratio = av_mul_q(st->codecpar->sample_aspect_ratio,
2467 av_make_q(st->codecpar->width, st->codecpar->height));
2471 sc->component_depth = pix_desc->comp[0].depth;
2472 sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w;
2473 sc->v_chroma_sub_sample = 1 << pix_desc->log2_chroma_h;
2475 switch (ff_choose_chroma_location(s, st)) {
2476 case AVCHROMA_LOC_TOPLEFT: sc->color_siting = 0; break;
2477 case AVCHROMA_LOC_LEFT: sc->color_siting = 6; break;
2478 case AVCHROMA_LOC_TOP: sc->color_siting = 1; break;
2479 case AVCHROMA_LOC_CENTER: sc->color_siting = 3; break;
2482 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2483 spf = ff_mxf_get_samples_per_frame(s, tbc);
2485 av_log(s, AV_LOG_ERROR, "Unsupported video frame rate %d/%d\n",
2487 return AVERROR(EINVAL);
2489 mxf->content_package_rate = ff_mxf_get_content_package_rate(tbc);
2490 mxf->time_base = spf->time_base;
2491 rate = av_inv_q(mxf->time_base);
2492 avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
2493 if((ret = mxf_init_timecode(s, st, rate)) < 0)
2496 if (st->codecpar->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2497 sc->seq_closed_gop = -1; // unknown yet
2500 sc->video_bit_rate = st->codecpar->bit_rate;
2502 if (s->oformat == &ff_mxf_d10_muxer ||
2503 st->codecpar->codec_id == AV_CODEC_ID_DNXHD ||
2504 st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO)
2507 if (s->oformat == &ff_mxf_d10_muxer) {
2508 int ntsc = mxf->time_base.den != 25;
2511 if (st->codecpar->codec_id != AV_CODEC_ID_MPEG2VIDEO) {
2512 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support MPEG-2 Video\n");
2513 return AVERROR(EINVAL);
2515 if ((sc->video_bit_rate == 50000000) && (mxf->time_base.den == 25)) {
2517 } else if ((sc->video_bit_rate == 49999840 || sc->video_bit_rate == 50000000) && ntsc) {
2519 } else if (sc->video_bit_rate == 40000000) {
2521 } else if (sc->video_bit_rate == 30000000) {
2524 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
2528 sc->codec_ul = &mxf_d10_codec_uls[ul_index];
2529 sc->container_ul = &mxf_d10_container_uls[ul_index];
2530 sc->index = INDEX_D10_VIDEO;
2531 sc->signal_standard = 1;
2532 sc->color_siting = 0;
2533 sc->frame_size = (int64_t)sc->video_bit_rate *
2534 mxf->time_base.num / (8*mxf->time_base.den);
2536 if (mxf->signal_standard >= 0)
2537 sc->signal_standard = mxf->signal_standard;
2538 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2539 if (st->codecpar->sample_rate != 48000) {
2540 av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
2543 avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
2544 if (s->oformat == &ff_mxf_d10_muxer) {
2545 if (st->index != 1) {
2546 av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
2549 if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2550 st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) {
2551 av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
2553 sc->index = INDEX_D10_AUDIO;
2554 sc->container_ul = ((MXFStreamContext*)s->streams[0]->priv_data)->container_ul;
2555 sc->frame_size = 4 + 8 * spf[0].samples_per_frame[0] * 4;
2556 } else if (s->oformat == &ff_mxf_opatom_muxer) {
2557 AVRational tbc = av_inv_q(mxf->audio_edit_rate);
2559 if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2560 st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) {
2561 av_log(s, AV_LOG_ERROR, "Only pcm_s16le and pcm_s24le audio codecs are implemented\n");
2562 return AVERROR_PATCHWELCOME;
2564 if (st->codecpar->channels != 1) {
2565 av_log(s, AV_LOG_ERROR, "MXF OPAtom only supports single channel audio\n");
2566 return AVERROR(EINVAL);
2569 spf = ff_mxf_get_samples_per_frame(s, tbc);
2571 av_log(s, AV_LOG_ERROR, "Unsupported timecode frame rate %d/%d\n", tbc.den, tbc.num);
2572 return AVERROR(EINVAL);
2575 mxf->time_base = st->time_base;
2576 if((ret = mxf_init_timecode(s, st, av_inv_q(spf->time_base))) < 0)
2579 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2580 mxf->edit_unit_byte_count = (av_get_bits_per_sample(st->codecpar->codec_id) * st->codecpar->channels) >> 3;
2581 sc->index = INDEX_WAV;
2583 mxf->slice_count = 1;
2584 sc->frame_size = (st->codecpar->channels * spf[0].samples_per_frame[0] *
2585 av_get_bits_per_sample(st->codecpar->codec_id)) / 8;
2587 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
2588 AVDictionaryEntry *e = av_dict_get(st->metadata, "data_type", NULL, 0);
2589 if (e && !strcmp(e->value, "vbi_vanc_smpte_436M")) {
2590 sc->index = INDEX_S436M;
2592 av_log(s, AV_LOG_ERROR, "track %d: unsupported data type\n", i);
2595 if (st->index != s->nb_streams - 1) {
2596 av_log(s, AV_LOG_ERROR, "data track must be placed last\n");
2601 if (sc->index == -1) {
2602 sc->index = mxf_get_essence_container_ul_index(st->codecpar->codec_id);
2603 if (sc->index == -1) {
2604 av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
2605 "codec not currently supported in container\n", i);
2611 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2612 if (!sc->container_ul)
2613 sc->container_ul = &mxf_essence_container_uls[sc->index].container_ul;
2615 memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
2616 sc->track_essence_element_key[15] = present[sc->index];
2617 PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
2619 if (!present[sc->index])
2620 mxf->essence_container_count++;
2621 present[sc->index]++;
2624 if (s->oformat == &ff_mxf_d10_muxer || s->oformat == &ff_mxf_opatom_muxer) {
2625 mxf->essence_container_count = 1;
2628 if (!(s->flags & AVFMT_FLAG_BITEXACT))
2631 for (i = 0; i < s->nb_streams; i++) {
2632 MXFStreamContext *sc = s->streams[i]->priv_data;
2633 // update element count
2634 sc->track_essence_element_key[13] = present[sc->index];
2635 if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[INDEX_DV].element_ul, 13)) // DV
2636 sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
2638 sc->order = AV_RB32(sc->track_essence_element_key+12);
2641 if (ff_parse_creation_time_metadata(s, ×tamp, 0) > 0)
2642 mxf->timestamp = mxf_parse_timestamp(timestamp);
2645 mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
2646 if (!mxf->timecode_track)
2647 return AVERROR(ENOMEM);
2648 mxf->timecode_track->priv_data = av_mallocz(sizeof(MXFStreamContext));
2649 if (!mxf->timecode_track->priv_data)
2650 return AVERROR(ENOMEM);
2651 mxf->timecode_track->index = -1;
2654 spf = ff_mxf_get_samples_per_frame(s, (AVRational){ 1, 25 });
2656 if (ff_audio_interleave_init(s, spf->samples_per_frame, mxf->time_base) < 0)
2662 static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
2663 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 };
2665 static void mxf_write_system_item(AVFormatContext *s)
2667 MXFContext *mxf = s->priv_data;
2668 AVIOContext *pb = s->pb;
2671 int i, system_item_bitmap = 0x58; // UL, user date/time stamp, picture present
2673 frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2675 // write system metadata pack
2676 avio_write(pb, system_metadata_pack_key, 16);
2677 klv_encode_ber4_length(pb, 57);
2679 for (i = 0; i < s->nb_streams; i++) {
2680 if (s->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
2681 system_item_bitmap |= 0x4;
2682 else if (s->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_DATA)
2683 system_item_bitmap |= 0x2;
2685 avio_w8(pb, system_item_bitmap);
2686 avio_w8(pb, mxf->content_package_rate); // content package rate
2687 avio_w8(pb, 0x00); // content package type
2688 avio_wb16(pb, 0x00); // channel handle
2689 avio_wb16(pb, (mxf->tc.start + frame) & 0xFFFF); // continuity count, supposed to overflow
2690 if (mxf->essence_container_count > 1)
2691 avio_write(pb, multiple_desc_ul, 16);
2693 MXFStreamContext *sc = s->streams[0]->priv_data;
2694 avio_write(pb, *sc->container_ul, 16);
2698 avio_wb64(pb, 0); // creation date/time stamp
2700 avio_w8(pb, 0x81); // SMPTE 12M time code
2701 time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
2702 avio_wb32(pb, time_code);
2703 avio_wb32(pb, 0); // binary group data
2706 // write system metadata package set
2707 avio_write(pb, system_metadata_package_set_key, 16);
2708 klv_encode_ber4_length(pb, 35);
2709 avio_w8(pb, 0x83); // UMID
2710 avio_wb16(pb, 0x20);
2711 mxf_write_umid(s, 1);
2714 static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2716 MXFContext *mxf = s->priv_data;
2717 AVIOContext *pb = s->pb;
2718 int frame_size = pkt->size / st->codecpar->block_align;
2719 uint8_t *samples = pkt->data;
2720 uint8_t *end = pkt->data + pkt->size;
2723 klv_encode_ber4_length(pb, 4 + frame_size*4*8);
2725 avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
2726 avio_wl16(pb, frame_size);
2727 avio_w8(pb, (1<<st->codecpar->channels)-1);
2729 while (samples < end) {
2730 for (i = 0; i < st->codecpar->channels; i++) {
2732 if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
2733 sample = AV_RL24(samples)<< 4;
2736 sample = AV_RL16(samples)<<12;
2739 avio_wl32(pb, sample | i);
2746 static int mxf_write_opatom_body_partition(AVFormatContext *s)
2748 MXFContext *mxf = s->priv_data;
2749 AVIOContext *pb = s->pb;
2750 AVStream *st = s->streams[0];
2751 MXFStreamContext *sc = st->priv_data;
2752 const uint8_t *key = NULL;
2756 if (!mxf->header_written)
2757 key = body_partition_key;
2759 if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0)
2761 mxf_write_klv_fill(s);
2762 avio_write(pb, sc->track_essence_element_key, 16);
2763 klv_encode_ber9_length(pb, mxf->body_offset);
2767 static int mxf_write_opatom_packet(AVFormatContext *s, AVPacket *pkt, MXFIndexEntry *ie)
2769 MXFContext *mxf = s->priv_data;
2770 AVIOContext *pb = s->pb;
2774 if (!mxf->header_written) {
2775 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2777 mxf_write_klv_fill(s);
2779 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2781 mxf->header_written = 1;
2784 if (!mxf->edit_unit_byte_count) {
2785 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2786 mxf->index_entries[mxf->edit_units_count].flags = ie->flags;
2787 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie->temporal_ref;
2789 mxf->edit_units_count++;
2790 avio_write(pb, pkt->data, pkt->size);
2791 mxf->body_offset += pkt->size;
2796 static void mxf_compute_edit_unit_byte_count(AVFormatContext *s)
2798 MXFContext *mxf = s->priv_data;
2801 if (s->oformat == &ff_mxf_opatom_muxer) {
2802 MXFStreamContext *sc = s->streams[0]->priv_data;
2803 mxf->edit_unit_byte_count = sc->frame_size;
2807 mxf->edit_unit_byte_count = KAG_SIZE; // system element
2808 for (i = 0; i < s->nb_streams; i++) {
2809 AVStream *st = s->streams[i];
2810 MXFStreamContext *sc = st->priv_data;
2811 sc->slice_offset = mxf->edit_unit_byte_count;
2812 mxf->edit_unit_byte_count += 16 + 4 + sc->frame_size;
2813 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2817 static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
2819 MXFContext *mxf = s->priv_data;
2820 AVIOContext *pb = s->pb;
2821 AVStream *st = s->streams[pkt->stream_index];
2822 MXFStreamContext *sc = st->priv_data;
2823 MXFIndexEntry ie = {0};
2826 if (!mxf->cbr_index && !mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) {
2827 if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
2828 + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
2829 mxf->edit_units_count = 0;
2830 av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
2835 if (st->codecpar->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2836 if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
2837 av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
2840 } else if (st->codecpar->codec_id == AV_CODEC_ID_DNXHD) {
2841 if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
2842 av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
2845 } else if (st->codecpar->codec_id == AV_CODEC_ID_PRORES) {
2846 if (!mxf_parse_prores_frame(s, st, pkt)) {
2847 av_log(s, AV_LOG_ERROR, "could not get prores profile\n");
2850 } else if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) {
2851 if (!mxf_parse_dv_frame(s, st, pkt)) {
2852 av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
2855 } else if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
2856 if (!mxf_parse_h264_frame(s, st, pkt, &ie)) {
2857 av_log(s, AV_LOG_ERROR, "could not get h264 profile\n");
2862 if (mxf->cbr_index) {
2863 if (pkt->size != sc->frame_size && st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2864 av_log(s, AV_LOG_ERROR, "track %d: frame size does not match index unit size, %d != %d\n",
2865 st->index, pkt->size, sc->frame_size);
2868 if (!mxf->header_written)
2869 mxf_compute_edit_unit_byte_count(s);
2872 if (s->oformat == &ff_mxf_opatom_muxer)
2873 return mxf_write_opatom_packet(s, pkt, &ie);
2875 if (!mxf->header_written) {
2876 if (mxf->edit_unit_byte_count) {
2877 if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
2879 mxf_write_klv_fill(s);
2880 mxf_write_index_table_segment(s);
2882 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2885 mxf->header_written = 1;
2888 if (st->index == 0) {
2889 if (!mxf->edit_unit_byte_count &&
2890 (!mxf->edit_units_count || mxf->edit_units_count > EDIT_UNITS_PER_BODY) &&
2891 !(ie.flags & 0x33)) { // I-frame, GOP start
2892 mxf_write_klv_fill(s);
2893 if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
2895 mxf_write_klv_fill(s);
2896 mxf_write_index_table_segment(s);
2899 mxf_write_klv_fill(s);
2900 mxf_write_system_item(s);
2902 if (!mxf->edit_unit_byte_count) {
2903 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2904 mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
2905 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie.temporal_ref;
2906 mxf->body_offset += KAG_SIZE; // size of system element
2908 mxf->edit_units_count++;
2909 } else if (!mxf->edit_unit_byte_count && st->index == 1) {
2910 if (!mxf->edit_units_count) {
2911 av_log(s, AV_LOG_ERROR, "No packets in first stream\n");
2912 return AVERROR_PATCHWELCOME;
2914 mxf->index_entries[mxf->edit_units_count-1].slice_offset =
2915 mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
2918 mxf_write_klv_fill(s);
2919 avio_write(pb, sc->track_essence_element_key, 16); // write key
2920 if (s->oformat == &ff_mxf_d10_muxer &&
2921 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2922 mxf_write_d10_audio_packet(s, st, pkt);
2924 klv_encode_ber4_length(pb, pkt->size); // write length
2925 avio_write(pb, pkt->data, pkt->size);
2926 mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
2932 static void mxf_write_random_index_pack(AVFormatContext *s)
2934 MXFContext *mxf = s->priv_data;
2935 AVIOContext *pb = s->pb;
2936 uint64_t pos = avio_tell(pb);
2939 avio_write(pb, random_index_pack_key, 16);
2940 klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
2942 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer)
2943 avio_wb32(pb, 1); // BodySID of header partition
2946 avio_wb64(pb, 0); // offset of header partition
2948 for (i = 0; i < mxf->body_partitions_count; i++) {
2949 avio_wb32(pb, 1); // BodySID
2950 avio_wb64(pb, mxf->body_partition_offset[i]);
2953 avio_wb32(pb, 0); // BodySID of footer partition
2954 avio_wb64(pb, mxf->footer_partition_offset);
2956 avio_wb32(pb, avio_tell(pb) - pos + 4);
2959 static int mxf_write_footer(AVFormatContext *s)
2961 MXFContext *mxf = s->priv_data;
2962 AVIOContext *pb = s->pb;
2965 if (!mxf->header_written ||
2966 (s->oformat == &ff_mxf_opatom_muxer && !mxf->body_partition_offset)) {
2967 /* reason could be invalid options/not supported codec/out of memory */
2968 return AVERROR_UNKNOWN;
2971 mxf->duration = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2973 mxf_write_klv_fill(s);
2974 mxf->footer_partition_offset = avio_tell(pb);
2975 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { // no need to repeat index
2976 if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
2979 if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
2981 mxf_write_klv_fill(s);
2982 mxf_write_index_table_segment(s);
2985 mxf_write_klv_fill(s);
2986 mxf_write_random_index_pack(s);
2988 if (s->pb->seekable & AVIO_SEEKABLE_NORMAL) {
2989 if (s->oformat == &ff_mxf_opatom_muxer) {
2990 /* rewrite body partition to update lengths */
2991 avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET);
2992 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2996 avio_seek(pb, 0, SEEK_SET);
2997 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) {
2998 if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
3000 mxf_write_klv_fill(s);
3001 mxf_write_index_table_segment(s);
3003 if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
3006 // update footer partition offset
3007 for (i = 0; i < mxf->body_partitions_count; i++) {
3008 avio_seek(pb, mxf->body_partition_offset[i]+44, SEEK_SET);
3009 avio_wb64(pb, mxf->footer_partition_offset);
3016 static void mxf_deinit(AVFormatContext *s)
3018 MXFContext *mxf = s->priv_data;
3020 ff_audio_interleave_close(s);
3022 av_freep(&mxf->index_entries);
3023 av_freep(&mxf->body_partition_offset);
3024 if (mxf->timecode_track) {
3025 av_freep(&mxf->timecode_track->priv_data);
3026 av_freep(&mxf->timecode_track);
3030 static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
3032 int i, stream_count = 0;
3034 for (i = 0; i < s->nb_streams; i++)
3035 stream_count += !!s->streams[i]->last_in_packet_buffer;
3037 if (stream_count && (s->nb_streams == stream_count || flush)) {
3038 AVPacketList *pktl = s->internal->packet_buffer;
3039 if (s->nb_streams != stream_count) {
3040 AVPacketList *last = NULL;
3041 // find last packet in edit unit
3043 if (!stream_count || pktl->pkt.stream_index == 0)
3045 // update last packet in packet buffer
3046 if (s->streams[pktl->pkt.stream_index]->last_in_packet_buffer != pktl)
3047 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer = pktl;
3052 // purge packet queue
3054 AVPacketList *next = pktl->next;
3055 av_packet_unref(&pktl->pkt);
3062 s->internal->packet_buffer = NULL;
3063 s->internal->packet_buffer_end= NULL;
3066 pktl = s->internal->packet_buffer;
3070 av_log(s, AV_LOG_TRACE, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts);
3071 s->internal->packet_buffer = pktl->next;
3072 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
3073 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
3074 if(!s->internal->packet_buffer)
3075 s->internal->packet_buffer_end= NULL;
3080 av_init_packet(out);
3085 static int mxf_compare_timestamps(AVFormatContext *s, const AVPacket *next,
3086 const AVPacket *pkt)
3088 MXFStreamContext *sc = s->streams[pkt ->stream_index]->priv_data;
3089 MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
3091 return next->dts > pkt->dts ||
3092 (next->dts == pkt->dts && sc->order < sc2->order);
3095 static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
3097 return ff_audio_rechunk_interleave(s, out, pkt, flush,
3098 mxf_interleave_get_packet, mxf_compare_timestamps);
3101 #define MXF_COMMON_OPTIONS \
3102 { "signal_standard", "Force/set Signal Standard",\
3103 offsetof(MXFContext, signal_standard), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3104 { "bt601", "ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)",\
3105 0, AV_OPT_TYPE_CONST, {.i64 = 1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3106 { "bt1358", "ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)",\
3107 0, AV_OPT_TYPE_CONST, {.i64 = 2}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3108 { "smpte347m", "SMPTE 347M (540 Mbps mappings)",\
3109 0, AV_OPT_TYPE_CONST, {.i64 = 3}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3110 { "smpte274m", "SMPTE 274M (1125 line)",\
3111 0, AV_OPT_TYPE_CONST, {.i64 = 4}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3112 { "smpte296m", "SMPTE 296M (750 line progressive)",\
3113 0, AV_OPT_TYPE_CONST, {.i64 = 5}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3114 { "smpte349m", "SMPTE 349M (1485 Mbps mappings)",\
3115 0, AV_OPT_TYPE_CONST, {.i64 = 6}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3116 { "smpte428", "SMPTE 428-1 DCDM",\
3117 0, AV_OPT_TYPE_CONST, {.i64 = 7}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},
3121 static const AVOption mxf_options[] = {
3123 { "store_user_comments", "",
3124 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3128 static const AVClass mxf_muxer_class = {
3129 .class_name = "MXF muxer",
3130 .item_name = av_default_item_name,
3131 .option = mxf_options,
3132 .version = LIBAVUTIL_VERSION_INT,
3135 static const AVOption d10_options[] = {
3136 { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
3137 offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
3139 { "store_user_comments", "",
3140 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3144 static const AVClass mxf_d10_muxer_class = {
3145 .class_name = "MXF-D10 muxer",
3146 .item_name = av_default_item_name,
3147 .option = d10_options,
3148 .version = LIBAVUTIL_VERSION_INT,
3151 static const AVOption opatom_options[] = {
3152 { "mxf_audio_edit_rate", "Audio edit rate for timecode",
3153 offsetof(MXFContext, audio_edit_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
3155 { "store_user_comments", "",
3156 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3160 static const AVClass mxf_opatom_muxer_class = {
3161 .class_name = "MXF-OPAtom muxer",
3162 .item_name = av_default_item_name,
3163 .option = opatom_options,
3164 .version = LIBAVUTIL_VERSION_INT,
3167 AVOutputFormat ff_mxf_muxer = {
3169 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
3170 .mime_type = "application/mxf",
3171 .extensions = "mxf",
3172 .priv_data_size = sizeof(MXFContext),
3173 .audio_codec = AV_CODEC_ID_PCM_S16LE,
3174 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
3175 .write_header = mxf_write_header,
3176 .write_packet = mxf_write_packet,
3177 .write_trailer = mxf_write_footer,
3178 .deinit = mxf_deinit,
3179 .flags = AVFMT_NOTIMESTAMPS,
3180 .interleave_packet = mxf_interleave,
3181 .priv_class = &mxf_muxer_class,
3184 AVOutputFormat ff_mxf_d10_muxer = {
3186 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
3187 .mime_type = "application/mxf",
3188 .priv_data_size = sizeof(MXFContext),
3189 .audio_codec = AV_CODEC_ID_PCM_S16LE,
3190 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
3191 .write_header = mxf_write_header,
3192 .write_packet = mxf_write_packet,
3193 .write_trailer = mxf_write_footer,
3194 .deinit = mxf_deinit,
3195 .flags = AVFMT_NOTIMESTAMPS,
3196 .interleave_packet = mxf_interleave,
3197 .priv_class = &mxf_d10_muxer_class,
3200 AVOutputFormat ff_mxf_opatom_muxer = {
3201 .name = "mxf_opatom",
3202 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"),
3203 .mime_type = "application/mxf",
3204 .extensions = "mxf",
3205 .priv_data_size = sizeof(MXFContext),
3206 .audio_codec = AV_CODEC_ID_PCM_S16LE,
3207 .video_codec = AV_CODEC_ID_DNXHD,
3208 .write_header = mxf_write_header,
3209 .write_packet = mxf_write_packet,
3210 .write_trailer = mxf_write_footer,
3211 .deinit = mxf_deinit,
3212 .flags = AVFMT_NOTIMESTAMPS,
3213 .interleave_packet = mxf_interleave,
3214 .priv_class = &mxf_opatom_muxer_class,