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"
56 #include "avio_internal.h"
62 extern AVOutputFormat ff_mxf_d10_muxer;
63 extern AVOutputFormat ff_mxf_opatom_muxer;
65 #define EDIT_UNITS_PER_BODY 250
68 typedef struct MXFLocalTagPair {
73 typedef struct MXFIndexEntry {
75 unsigned slice_offset; ///< offset of audio slice
76 uint16_t temporal_ref;
80 typedef struct MXFStreamContext {
81 int64_t pkt_cnt; ///< pkt counter for muxed packets
82 UID track_essence_element_key;
83 int index; ///< index in mxf_essence_container_uls table
85 const UID *container_ul;
86 int order; ///< interleaving order if dts are equal
87 int interlaced; ///< whether picture is interlaced
88 int field_dominance; ///< tff=1, bff=2
92 int h_chroma_sub_sample;
93 int v_chroma_sub_sample;
94 int temporal_reordering;
95 AVRational aspect_ratio; ///< display aspect ratio
96 int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
99 int frame_size; ///< frame size in bytes
100 int seq_closed_gop; ///< all gops in sequence are closed, used in mpeg-2 descriptor
101 int max_gop; ///< maximum gop size, used by mpeg-2 descriptor
102 int b_picture_count; ///< maximum number of consecutive b pictures, used in mpeg-2 descriptor
103 int low_delay; ///< low delay, used in mpeg-2 descriptor
107 typedef struct MXFContainerEssenceEntry {
111 void (*write_desc)(AVFormatContext *, AVStream *);
112 } MXFContainerEssenceEntry;
114 typedef struct MXFPackage {
116 enum MXFMetadataSetType type;
118 struct MXFPackage *ref;
135 static const struct {
138 } mxf_essence_mappings[] = {
139 { AV_CODEC_ID_MPEG2VIDEO, INDEX_MPEG2 },
140 { AV_CODEC_ID_PCM_S24LE, INDEX_AES3 },
141 { AV_CODEC_ID_PCM_S16LE, INDEX_AES3 },
142 { AV_CODEC_ID_DVVIDEO, INDEX_DV },
143 { AV_CODEC_ID_DNXHD, INDEX_DNXHD },
144 { AV_CODEC_ID_JPEG2000, INDEX_JPEG2000 },
145 { AV_CODEC_ID_H264, INDEX_H264 },
146 { AV_CODEC_ID_PRORES, INDEX_PRORES },
150 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
151 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
152 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st);
153 static void mxf_write_h264_desc(AVFormatContext *s, AVStream *st);
154 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
155 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st);
156 static void mxf_write_s436m_anc_desc(AVFormatContext *s, AVStream *st);
158 static const MXFContainerEssenceEntry mxf_essence_container_uls[] = {
159 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
160 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
161 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
162 mxf_write_mpegvideo_desc },
163 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
164 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
165 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
166 mxf_write_aes3_desc },
167 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
168 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
169 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
170 mxf_write_wav_desc },
172 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
173 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
174 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
175 mxf_write_cdci_desc },
177 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
178 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
179 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
180 mxf_write_generic_sound_desc },
182 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
183 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
184 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
185 mxf_write_cdci_desc },
187 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
188 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
189 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
190 mxf_write_cdci_desc },
192 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
193 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
194 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 },
195 mxf_write_cdci_desc },
197 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 },
198 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
199 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
200 mxf_write_h264_desc },
202 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x0e,0x00,0x00 },
203 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x17,0x01,0x02,0x00 },
204 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x01,0x5C,0x00 },
205 mxf_write_s436m_anc_desc },
207 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x0d,0x01,0x03,0x01,0x02,0x1c,0x01,0x00 },
208 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x17,0x00 },
209 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x03,0x00 },
210 mxf_write_cdci_desc },
211 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
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 },
217 static const UID mxf_d10_codec_uls[] = {
218 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 }, // D-10 625/50 PAL 50mb/s
219 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 }, // D-10 525/50 NTSC 50mb/s
220 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 }, // D-10 625/50 PAL 40mb/s
221 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 }, // D-10 525/50 NTSC 40mb/s
222 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 }, // D-10 625/50 PAL 30mb/s
223 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 }, // D-10 525/50 NTSC 30mb/s
226 static const UID mxf_d10_container_uls[] = {
227 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 }, // D-10 625/50 PAL 50mb/s
228 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 }, // D-10 525/50 NTSC 50mb/s
229 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 }, // D-10 625/50 PAL 40mb/s
230 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 }, // D-10 525/50 NTSC 40mb/s
231 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 }, // D-10 625/50 PAL 30mb/s
232 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 }, // D-10 525/50 NTSC 30mb/s
235 typedef struct MXFContext {
237 int64_t footer_partition_offset;
238 int essence_container_count;
239 AVRational time_base;
241 MXFIndexEntry *index_entries;
242 unsigned edit_units_count;
243 uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
244 uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
245 int last_indexed_edit_unit;
246 uint64_t *body_partition_offset;
247 unsigned body_partitions_count;
248 int last_key_index; ///< index of last key frame
250 AVTimecode tc; ///< timecode context
251 AVStream *timecode_track;
252 int timecode_base; ///< rounded time code base (25 or 30)
253 int edit_unit_byte_count; ///< fixed edit unit byte count
254 int content_package_rate; ///< content package rate in system element, see SMPTE 326M
255 uint64_t body_offset;
256 uint32_t instance_number;
257 uint8_t umid[16]; ///< unique material identifier
260 uint32_t tagged_value_count;
261 AVRational audio_edit_rate;
262 int store_user_comments;
263 int track_instance_count; // used to generate MXFTrack uuids
264 int cbr_index; ///< use a constant bitrate index
267 static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
268 static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
271 * complete key for operation pattern, partitions, and primer pack
273 static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
274 static const uint8_t opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 };
275 static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
276 static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
277 static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
278 static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
279 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
280 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
281 static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
282 static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
285 * partial key for header metadata
287 static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
288 static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
291 * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
292 * https://smpte-ra.org/sites/default/files/Labels.xml
294 static const MXFLocalTagPair mxf_local_tag_batch[] = {
296 { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
297 { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
298 { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
299 { 0x3B07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x04,0x00,0x00,0x00}}, /* Object Model Version */
300 { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
301 { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
302 { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
303 { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
304 { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
306 { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
307 { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
308 { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
309 { 0x3C03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x04,0x00,0x00,0x00}}, /* Product Version */
310 { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
311 { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
312 { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
313 { 0x3C07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x0A,0x00,0x00,0x00}}, /* Toolkit Version */
314 { 0x3C08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x06,0x01,0x00,0x00}}, /* Platform */
316 { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
317 { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
318 // Essence Container Data
319 { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
320 { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
322 { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
323 { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
324 { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
325 { 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */
326 { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
327 { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
329 { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
330 { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
331 { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
332 { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
333 { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
335 { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
336 { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
337 { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
339 { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
340 { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
341 { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
342 // Timecode Component
343 { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
344 { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
345 { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
347 { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
348 { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
349 { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
350 { 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */
351 { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
352 // Generic Picture Essence Descriptor
353 { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
354 { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
355 { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
356 { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
357 { 0x3216, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x03,0x02,0x08,0x00,0x00,0x00}}, /* Stored F2 Offset */
358 { 0x3205, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x08,0x00,0x00,0x00}}, /* Sampled Width */
359 { 0x3204, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x07,0x00,0x00,0x00}}, /* Sampled Height */
360 { 0x3206, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x09,0x00,0x00,0x00}}, /* Sampled X Offset */
361 { 0x3207, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0A,0x00,0x00,0x00}}, /* Sampled Y Offset */
362 { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
363 { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
364 { 0x320A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0D,0x00,0x00,0x00}}, /* Display X offset */
365 { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */
366 { 0x3217, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x03,0x02,0x07,0x00,0x00,0x00}}, /* Display F2 offset */
367 { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
368 { 0x3210, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x02,0x01,0x01,0x01,0x02,0x00}}, /* Transfer characteristic */
369 { 0x3213, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x02,0x00,0x00,0x00,0x00}}, /* Image Start Offset */
370 { 0x3214, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Image End Offset */
371 { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
372 { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
373 { 0x3215, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x05,0x01,0x13,0x00,0x00,0x00,0x00}}, /* Signal Standard */
374 // CDCI Picture Essence Descriptor
375 { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
376 { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
377 { 0x3308, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x01,0x10,0x00,0x00,0x00}}, /* Vertical Subsampling */
378 { 0x3303, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x06,0x00,0x00,0x00}}, /* Color Siting */
379 { 0x3307, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x04,0x00,0x00,0x00,0x00}}, /* Padding Bits */
380 { 0x3304, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x03,0x03,0x00,0x00,0x00}}, /* Black Ref level */
381 { 0x3305, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x03,0x04,0x00,0x00,0x00}}, /* White Ref level */
382 { 0x3306, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x05,0x00,0x00,0x00}}, /* Color Range */
383 // Generic Sound Essence Descriptor
384 { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
385 { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
386 { 0x3D04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x02,0x01,0x01,0x03,0x00,0x00,0x00}}, /* Audio Ref Level */
387 { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
388 { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
389 { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
390 // Index Table Segment
391 { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
392 { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
393 { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
394 { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
395 { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
396 { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
397 { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
398 { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
399 // MPEG video Descriptor
400 { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
401 { 0x8003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x05,0x00,0x00}}, /* LowDelay */
402 { 0x8004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x06,0x00,0x00}}, /* ClosedGOP */
403 { 0x8006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x08,0x00,0x00}}, /* MaxGOP */
404 { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
405 { 0x8008, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x09,0x00,0x00}}, /* BPictureCount */
406 // Wave Audio Essence Descriptor
407 { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
408 { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
411 static const MXFLocalTagPair mxf_avc_subdescriptor_local_tags[] = {
412 { 0x8100, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x09,0x06,0x01,0x01,0x04,0x06,0x10,0x00,0x00}}, /* SubDescriptors */
413 { 0x8200, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0E,0x00,0x00}}, /* AVC Decoding Delay */
414 { 0x8201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0A,0x00,0x00}}, /* AVC Profile */
415 { 0x8202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0D,0x00,0x00}}, /* AVC Level */
418 static const MXFLocalTagPair mxf_user_comments_local_tag[] = {
419 { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */
420 { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */
421 { 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */
424 static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
426 avio_write(pb, uuid_base, 12);
428 avio_wb16(pb, value);
431 static void mxf_write_umid(AVFormatContext *s, int type)
433 MXFContext *mxf = s->priv_data;
434 avio_write(s->pb, umid_ul, 13);
435 avio_wb24(s->pb, mxf->instance_number);
436 avio_write(s->pb, mxf->umid, 15);
437 avio_w8(s->pb, type);
440 static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
442 avio_wb32(pb, ref_count);
446 static int klv_ber_length(uint64_t len)
451 return (av_log2(len) >> 3) + 2;
454 static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
456 // Determine the best BER size
457 int size = klv_ber_length(len);
466 avio_w8(pb, 0x80 + size);
469 avio_w8(pb, len >> 8 * size & 0xff);
474 static void klv_encode_ber4_length(AVIOContext *pb, int len)
476 avio_w8(pb, 0x80 + 3);
480 static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
482 avio_w8(pb, 0x80 + 8);
487 * Get essence container ul index
489 static int mxf_get_essence_container_ul_index(enum AVCodecID id)
492 for (i = 0; mxf_essence_mappings[i].id; i++)
493 if (mxf_essence_mappings[i].id == id)
494 return mxf_essence_mappings[i].index;
498 static void mxf_write_local_tags(AVIOContext *pb, const MXFLocalTagPair *local_tags, int count)
501 for (i = 0; i < count; i++) {
502 avio_wb16(pb, local_tags[i].local_tag);
503 avio_write(pb, local_tags[i].uid, 16);
507 static void mxf_write_primer_pack(AVFormatContext *s)
509 MXFContext *mxf = s->priv_data;
510 AVIOContext *pb = s->pb;
511 int local_tag_number, i = 0;
512 int avc_tags_count = 0;
514 local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch);
515 local_tag_number += mxf->store_user_comments * FF_ARRAY_ELEMS(mxf_user_comments_local_tag);
517 for (i = 0; i < s->nb_streams; i++) {
518 MXFStreamContext *sc = s->streams[i]->priv_data;
519 if (s->streams[i]->codecpar->codec_id == AV_CODEC_ID_H264 && !sc->avc_intra) {
520 avc_tags_count = FF_ARRAY_ELEMS(mxf_avc_subdescriptor_local_tags);
521 local_tag_number += avc_tags_count;
525 avio_write(pb, primer_pack_key, 16);
526 klv_encode_ber_length(pb, local_tag_number * 18 + 8);
528 avio_wb32(pb, local_tag_number); // local_tag num
529 avio_wb32(pb, 18); // item size, always 18 according to the specs
531 for (i = 0; i < FF_ARRAY_ELEMS(mxf_local_tag_batch); i++) {
532 avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
533 avio_write(pb, mxf_local_tag_batch[i].uid, 16);
535 if (mxf->store_user_comments)
536 for (i = 0; i < FF_ARRAY_ELEMS(mxf_user_comments_local_tag); i++) {
537 avio_wb16(pb, mxf_user_comments_local_tag[i].local_tag);
538 avio_write(pb, mxf_user_comments_local_tag[i].uid, 16);
540 if (avc_tags_count > 0)
541 mxf_write_local_tags(pb, mxf_avc_subdescriptor_local_tags, avc_tags_count);
544 static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
550 static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
552 avio_write(pb, header_metadata_key, 13);
553 avio_wb24(pb, value);
556 static const MXFCodecUL *mxf_get_data_definition_ul(int type)
558 const MXFCodecUL *uls = ff_mxf_data_definition_uls;
559 while (uls->uid[0]) {
567 //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
568 #define DESCRIPTOR_COUNT(essence_container_count) \
569 (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
571 static void mxf_write_essence_container_refs(AVFormatContext *s)
573 MXFContext *c = s->priv_data;
574 AVIOContext *pb = s->pb;
577 mxf_write_refs_count(pb, DESCRIPTOR_COUNT(c->essence_container_count));
578 av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
579 for (i = 0; i < s->nb_streams; i++) {
580 MXFStreamContext *sc = s->streams[i]->priv_data;
581 // check first track of essence container type and only write it once
582 if (sc->track_essence_element_key[15] != 0)
584 avio_write(pb, *sc->container_ul, 16);
585 if (c->essence_container_count == 1)
589 if (c->essence_container_count > 1)
590 avio_write(pb, multiple_desc_ul, 16);
593 static void mxf_write_preface(AVFormatContext *s)
595 MXFContext *mxf = s->priv_data;
596 AVIOContext *pb = s->pb;
598 mxf_write_metadata_key(pb, 0x012f00);
599 PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
600 klv_encode_ber_length(pb, 138 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
602 // write preface set uid
603 mxf_write_local_tag(pb, 16, 0x3C0A);
604 mxf_write_uuid(pb, Preface, 0);
605 PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
607 // last modified date
608 mxf_write_local_tag(pb, 8, 0x3B02);
609 avio_wb64(pb, mxf->timestamp);
612 mxf_write_local_tag(pb, 2, 0x3B05);
613 avio_wb16(pb, 259); // v1.3
615 // Object Model Version
616 mxf_write_local_tag(pb, 4, 0x3B07);
619 // write identification_refs
620 mxf_write_local_tag(pb, 16 + 8, 0x3B06);
621 mxf_write_refs_count(pb, 1);
622 mxf_write_uuid(pb, Identification, 0);
624 // write content_storage_refs
625 mxf_write_local_tag(pb, 16, 0x3B03);
626 mxf_write_uuid(pb, ContentStorage, 0);
628 // operational pattern
629 mxf_write_local_tag(pb, 16, 0x3B09);
630 if (s->oformat == &ff_mxf_opatom_muxer)
631 avio_write(pb, opatom_ul, 16);
633 avio_write(pb, op1a_ul, 16);
635 // write essence_container_refs
636 mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A);
637 mxf_write_essence_container_refs(s);
639 // write dm_scheme_refs
640 mxf_write_local_tag(pb, 8, 0x3B0B);
645 * Returns the length of the UTF-16 string, in 16-bit characters, that would result
646 * from decoding the utf-8 string.
648 static uint64_t mxf_utf16len(const char *utf8_str)
650 const uint8_t *q = utf8_str;
654 GET_UTF8(ch, *q++, goto invalid;)
661 av_log(NULL, AV_LOG_ERROR, "Invalid UTF8 sequence in mxf_utf16len\n\n");
668 * Returns the calculated length a local tag containing an utf-8 string as utf-16
670 static int mxf_utf16_local_tag_length(const char *utf8_str)
677 size = mxf_utf16len(utf8_str);
678 if (size >= UINT16_MAX/2) {
679 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
687 * Write a local tag containing an utf-8 string as utf-16
689 static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
691 uint64_t size = mxf_utf16len(value);
693 if (size >= UINT16_MAX/2) {
694 av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
698 mxf_write_local_tag(pb, size*2, tag);
699 avio_put_str16be(pb, value);
702 static void store_version(AVFormatContext *s){
703 AVIOContext *pb = s->pb;
705 if (s->flags & AVFMT_FLAG_BITEXACT) {
706 avio_wb16(pb, 0); // major
707 avio_wb16(pb, 0); // minor
708 avio_wb16(pb, 0); // tertiary
710 avio_wb16(pb, LIBAVFORMAT_VERSION_MAJOR); // major
711 avio_wb16(pb, LIBAVFORMAT_VERSION_MINOR); // minor
712 avio_wb16(pb, LIBAVFORMAT_VERSION_MICRO); // tertiary
714 avio_wb16(pb, 0); // patch
715 avio_wb16(pb, 0); // release
718 static void mxf_write_identification(AVFormatContext *s)
720 MXFContext *mxf = s->priv_data;
721 AVIOContext *pb = s->pb;
722 const char *company = "FFmpeg";
723 const char *product = s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer";
727 mxf_write_metadata_key(pb, 0x013000);
728 PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
730 version = s->flags & AVFMT_FLAG_BITEXACT ?
731 "0.0.0" : AV_STRINGIFY(LIBAVFORMAT_VERSION);
732 length = 100 +mxf_utf16_local_tag_length(company) +
733 mxf_utf16_local_tag_length(product) +
734 mxf_utf16_local_tag_length(version);
735 klv_encode_ber_length(pb, length);
738 mxf_write_local_tag(pb, 16, 0x3C0A);
739 mxf_write_uuid(pb, Identification, 0);
740 PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
742 // write generation uid
743 mxf_write_local_tag(pb, 16, 0x3C09);
744 mxf_write_uuid(pb, Identification, 1);
745 mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
746 mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
748 mxf_write_local_tag(pb, 10, 0x3C03); // Product Version
751 mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
754 mxf_write_local_tag(pb, 16, 0x3C05);
755 mxf_write_uuid(pb, Identification, 2);
758 mxf_write_local_tag(pb, 8, 0x3C06);
759 avio_wb64(pb, mxf->timestamp);
761 mxf_write_local_tag(pb, 10, 0x3C07); // Toolkit Version
765 static void mxf_write_content_storage(AVFormatContext *s, MXFPackage *packages, int package_count)
767 AVIOContext *pb = s->pb;
770 mxf_write_metadata_key(pb, 0x011800);
771 PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
772 klv_encode_ber_length(pb, 60 + (16 * package_count));
775 mxf_write_local_tag(pb, 16, 0x3C0A);
776 mxf_write_uuid(pb, ContentStorage, 0);
777 PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
779 // write package reference
780 mxf_write_local_tag(pb, 16 * package_count + 8, 0x1901);
781 mxf_write_refs_count(pb, package_count);
782 for (i = 0; i < package_count; i++) {
783 mxf_write_uuid(pb, packages[i].type, packages[i].instance);
786 // write essence container data
787 mxf_write_local_tag(pb, 8 + 16, 0x1902);
788 mxf_write_refs_count(pb, 1);
789 mxf_write_uuid(pb, EssenceContainerData, 0);
792 static void mxf_write_track(AVFormatContext *s, AVStream *st, MXFPackage *package)
794 MXFContext *mxf = s->priv_data;
795 AVIOContext *pb = s->pb;
796 MXFStreamContext *sc = st->priv_data;
798 mxf_write_metadata_key(pb, 0x013b00);
799 PRINT_KEY(s, "track key", pb->buf_ptr - 16);
800 klv_encode_ber_length(pb, 80);
803 mxf_write_local_tag(pb, 16, 0x3C0A);
804 mxf_write_uuid(pb, Track, mxf->track_instance_count);
805 PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
808 mxf_write_local_tag(pb, 4, 0x4801);
809 avio_wb32(pb, st->index+2);
811 // write track number
812 mxf_write_local_tag(pb, 4, 0x4804);
813 if (package->type == MaterialPackage)
814 avio_wb32(pb, 0); // track number of material package is 0
816 avio_write(pb, sc->track_essence_element_key + 12, 4);
819 mxf_write_local_tag(pb, 8, 0x4B01);
821 if (st == mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer) {
822 avio_wb32(pb, mxf->tc.rate.num);
823 avio_wb32(pb, mxf->tc.rate.den);
825 avio_wb32(pb, mxf->time_base.den);
826 avio_wb32(pb, mxf->time_base.num);
830 mxf_write_local_tag(pb, 8, 0x4B02);
833 // write sequence refs
834 mxf_write_local_tag(pb, 16, 0x4803);
835 mxf_write_uuid(pb, Sequence, mxf->track_instance_count);
838 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 };
840 static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
842 MXFContext *mxf = s->priv_data;
843 AVIOContext *pb = s->pb;
845 // find data define uls
846 mxf_write_local_tag(pb, 16, 0x0201);
847 if (st == mxf->timecode_track)
848 avio_write(pb, smpte_12m_timecode_track_data_ul, 16);
850 const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codecpar->codec_type);
851 avio_write(pb, data_def_ul->uid, 16);
855 mxf_write_local_tag(pb, 8, 0x0202);
857 if (st != mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer && st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
858 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
860 avio_wb64(pb, mxf->duration);
864 static void mxf_write_sequence(AVFormatContext *s, AVStream *st, MXFPackage *package)
866 MXFContext *mxf = s->priv_data;
867 AVIOContext *pb = s->pb;
868 enum MXFMetadataSetType component;
870 mxf_write_metadata_key(pb, 0x010f00);
871 PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
872 klv_encode_ber_length(pb, 80);
874 mxf_write_local_tag(pb, 16, 0x3C0A);
875 mxf_write_uuid(pb, Sequence, mxf->track_instance_count);
877 PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
878 mxf_write_common_fields(s, st);
880 // write structural component
881 mxf_write_local_tag(pb, 16 + 8, 0x1001);
882 mxf_write_refs_count(pb, 1);
883 if (st == mxf->timecode_track)
884 component = TimecodeComponent;
886 component = SourceClip;
888 mxf_write_uuid(pb, component, mxf->track_instance_count);
891 static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, MXFPackage *package)
893 MXFContext *mxf = s->priv_data;
894 AVIOContext *pb = s->pb;
896 mxf_write_metadata_key(pb, 0x011400);
897 klv_encode_ber_length(pb, 75);
900 mxf_write_local_tag(pb, 16, 0x3C0A);
901 mxf_write_uuid(pb, TimecodeComponent, mxf->track_instance_count);
903 mxf_write_common_fields(s, st);
906 mxf_write_local_tag(pb, 8, 0x1501);
907 avio_wb64(pb, mxf->tc.start);
909 // Rounded Time Code Base
910 mxf_write_local_tag(pb, 2, 0x1502);
911 avio_wb16(pb, mxf->timecode_base);
914 mxf_write_local_tag(pb, 1, 0x1503);
915 avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
918 static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, MXFPackage *package)
920 MXFContext *mxf = s->priv_data;
921 AVIOContext *pb = s->pb;
924 mxf_write_metadata_key(pb, 0x011100);
925 PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
926 klv_encode_ber_length(pb, 108);
929 mxf_write_local_tag(pb, 16, 0x3C0A);
930 mxf_write_uuid(pb, SourceClip, mxf->track_instance_count);
932 PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
933 mxf_write_common_fields(s, st);
935 // write start_position
936 mxf_write_local_tag(pb, 8, 0x1201);
939 // write source package uid, end of the reference
940 mxf_write_local_tag(pb, 32, 0x1101);
942 for (i = 0; i < 4; i++)
945 mxf_write_umid(s, package->ref->instance);
947 // write source track id
948 mxf_write_local_tag(pb, 4, 0x1102);
949 if (package->type == SourcePackage && !package->ref)
952 avio_wb32(pb, st->index+2);
955 static void mxf_write_tape_descriptor(AVFormatContext *s)
957 AVIOContext *pb = s->pb;
959 mxf_write_metadata_key(pb, 0x012e00);
960 PRINT_KEY(s, "tape descriptor key", pb->buf_ptr - 16);
961 klv_encode_ber_length(pb, 20);
962 mxf_write_local_tag(pb, 16, 0x3C0A);
963 mxf_write_uuid(pb, TapeDescriptor, 0);
964 PRINT_KEY(s, "tape_desc uid", pb->buf_ptr - 16);
968 static void mxf_write_multi_descriptor(AVFormatContext *s)
970 MXFContext *mxf = s->priv_data;
971 AVIOContext *pb = s->pb;
975 mxf_write_metadata_key(pb, 0x014400);
976 PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
977 klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
979 mxf_write_local_tag(pb, 16, 0x3C0A);
980 mxf_write_uuid(pb, MultipleDescriptor, 0);
981 PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
984 mxf_write_local_tag(pb, 8, 0x3001);
985 avio_wb32(pb, mxf->time_base.den);
986 avio_wb32(pb, mxf->time_base.num);
988 // write essence container ul
989 mxf_write_local_tag(pb, 16, 0x3004);
990 if (mxf->essence_container_count > 1)
991 ul = multiple_desc_ul;
993 MXFStreamContext *sc = s->streams[0]->priv_data;
994 ul = *sc->container_ul;
996 avio_write(pb, ul, 16);
998 // write sub descriptor refs
999 mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01);
1000 mxf_write_refs_count(pb, s->nb_streams);
1001 for (i = 0; i < s->nb_streams; i++)
1002 mxf_write_uuid(pb, SubDescriptor, i);
1005 static int64_t mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key)
1007 MXFContext *mxf = s->priv_data;
1008 MXFStreamContext *sc = st->priv_data;
1009 AVIOContext *pb = s->pb;
1012 avio_write(pb, key, 16);
1013 klv_encode_ber4_length(pb, 0);
1014 pos = avio_tell(pb);
1016 mxf_write_local_tag(pb, 16, 0x3C0A);
1017 mxf_write_uuid(pb, SubDescriptor, st->index);
1019 mxf_write_local_tag(pb, 4, 0x3006);
1020 avio_wb32(pb, st->index+2);
1022 mxf_write_local_tag(pb, 8, 0x3001);
1023 if (s->oformat == &ff_mxf_d10_muxer) {
1024 avio_wb32(pb, mxf->time_base.den);
1025 avio_wb32(pb, mxf->time_base.num);
1027 if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S16LE ||
1028 st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
1029 avio_wb32(pb, st->codecpar->sample_rate);
1032 avio_wb32(pb, mxf->time_base.den);
1033 avio_wb32(pb, mxf->time_base.num);
1037 mxf_write_local_tag(pb, 16, 0x3004);
1038 avio_write(pb, *sc->container_ul, 16);
1043 static const UID mxf_s436m_anc_descriptor_key = { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x5c,0x00 };
1044 static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
1045 static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
1046 static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
1047 static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
1048 static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
1050 static const UID mxf_avc_subdescriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x6E,0x00 };
1052 static int get_trc(UID ul, enum AVColorTransferCharacteristic trc)
1055 case AVCOL_TRC_GAMMA28 :
1056 case AVCOL_TRC_GAMMA22 :
1057 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x01,0x00,0x00}), 16);
1059 case AVCOL_TRC_BT709 :
1060 case AVCOL_TRC_SMPTE170M :
1061 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x02,0x00,0x00}), 16);
1063 case AVCOL_TRC_SMPTE240M :
1064 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x03,0x00,0x00}), 16);
1066 case AVCOL_TRC_BT1361_ECG:
1067 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x06,0x04,0x01,0x01,0x01,0x01,0x05,0x00,0x00}), 16);
1069 case AVCOL_TRC_LINEAR :
1070 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x06,0x04,0x01,0x01,0x01,0x01,0x06,0x00,0x00}), 16);
1072 case AVCOL_TRC_SMPTE428 :
1073 memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x08,0x04,0x01,0x01,0x01,0x01,0x07,0x00,0x00}), 16);
1080 static int64_t mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key)
1082 MXFStreamContext *sc = st->priv_data;
1083 AVIOContext *pb = s->pb;
1084 int stored_width = 0;
1085 int stored_height = (st->codecpar->height+15)/16*16;
1088 UID transfer_ul = {0};
1089 int64_t pos = mxf_write_generic_desc(s, st, key);
1091 get_trc(transfer_ul, st->codecpar->color_trc);
1093 if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) {
1094 if (st->codecpar->height == 1080)
1095 stored_width = 1920;
1096 else if (st->codecpar->height == 720)
1097 stored_width = 1280;
1100 stored_width = (st->codecpar->width+15)/16*16;
1102 mxf_write_local_tag(pb, 4, 0x3203);
1103 avio_wb32(pb, stored_width);
1105 mxf_write_local_tag(pb, 4, 0x3202);
1106 avio_wb32(pb, stored_height>>sc->interlaced);
1108 if (s->oformat == &ff_mxf_d10_muxer) {
1110 mxf_write_local_tag(pb, 4, 0x3216);
1113 //Image Start Offset
1114 mxf_write_local_tag(pb, 4, 0x3213);
1118 mxf_write_local_tag(pb, 4, 0x3214);
1123 mxf_write_local_tag(pb, 4, 0x3205);
1124 avio_wb32(pb, stored_width);
1127 mxf_write_local_tag(pb, 4, 0x3204);
1128 avio_wb32(pb, st->codecpar->height>>sc->interlaced);
1131 mxf_write_local_tag(pb, 4, 0x3206);
1135 mxf_write_local_tag(pb, 4, 0x3207);
1138 mxf_write_local_tag(pb, 4, 0x3209);
1139 avio_wb32(pb, stored_width);
1141 if (st->codecpar->height == 608) // PAL + VBI
1142 display_height = 576;
1143 else if (st->codecpar->height == 512) // NTSC + VBI
1144 display_height = 486;
1146 display_height = st->codecpar->height;
1148 mxf_write_local_tag(pb, 4, 0x3208);
1149 avio_wb32(pb, display_height>>sc->interlaced);
1152 mxf_write_local_tag(pb, 4, 0x320A);
1156 mxf_write_local_tag(pb, 4, 0x320B);
1157 avio_wb32(pb, (st->codecpar->height - display_height)>>sc->interlaced);
1159 if (sc->interlaced) {
1161 mxf_write_local_tag(pb, 4, 0x3217);
1162 avio_wb32(pb, -((st->codecpar->height - display_height)&1));
1166 mxf_write_local_tag(pb, 4, 0x3301);
1167 avio_wb32(pb, sc->component_depth);
1169 // horizontal subsampling
1170 mxf_write_local_tag(pb, 4, 0x3302);
1171 avio_wb32(pb, sc->h_chroma_sub_sample);
1173 // vertical subsampling
1174 mxf_write_local_tag(pb, 4, 0x3308);
1175 avio_wb32(pb, sc->v_chroma_sub_sample);
1178 mxf_write_local_tag(pb, 1, 0x3303);
1179 avio_w8(pb, sc->color_siting);
1182 mxf_write_local_tag(pb, 2, 0x3307);
1185 if (st->codecpar->color_range != AVCOL_RANGE_UNSPECIFIED) {
1187 white = (1<<sc->component_depth) - 1,
1188 color = (1<<sc->component_depth) - 1;
1189 if (st->codecpar->color_range == AVCOL_RANGE_MPEG) {
1190 black = 1 << (sc->component_depth - 4);
1191 white = 235 << (sc->component_depth - 8);
1192 color = (14 << (sc->component_depth - 4)) + 1;
1194 mxf_write_local_tag(pb, 4, 0x3304);
1195 avio_wb32(pb, black);
1196 mxf_write_local_tag(pb, 4, 0x3305);
1197 avio_wb32(pb, white);
1198 mxf_write_local_tag(pb, 4, 0x3306);
1199 avio_wb32(pb, color);
1202 if (sc->signal_standard) {
1203 mxf_write_local_tag(pb, 1, 0x3215);
1204 avio_w8(pb, sc->signal_standard);
1208 mxf_write_local_tag(pb, 1, 0x320C);
1209 avio_w8(pb, sc->interlaced);
1212 switch (st->codecpar->height) {
1213 case 576: f1 = 23; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break;
1214 case 608: f1 = 7; f2 = 320; break;
1215 case 480: f1 = 20; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
1216 case 512: f1 = 7; f2 = 270; break;
1217 case 720: f1 = 26; f2 = 0; break; // progressive
1218 case 1080: f1 = 21; f2 = 584; break;
1219 default: f1 = 0; f2 = 0; break;
1222 if (!sc->interlaced && f2) {
1228 mxf_write_local_tag(pb, 16, 0x320D);
1234 mxf_write_local_tag(pb, 8, 0x320E);
1235 avio_wb32(pb, sc->aspect_ratio.num);
1236 avio_wb32(pb, sc->aspect_ratio.den);
1238 //Transfer characteristic
1239 if (transfer_ul[0]) {
1240 mxf_write_local_tag(pb, 16, 0x3210);
1241 avio_write(pb, transfer_ul, 16);
1244 mxf_write_local_tag(pb, 16, 0x3201);
1245 avio_write(pb, *sc->codec_ul, 16);
1247 if (sc->interlaced && sc->field_dominance) {
1248 mxf_write_local_tag(pb, 1, 0x3212);
1249 avio_w8(pb, sc->field_dominance);
1252 if (st->codecpar->codec_id == AV_CODEC_ID_H264 && !sc->avc_intra) {
1253 // write avc sub descriptor ref
1254 mxf_write_local_tag(pb, 8 + 16, 0x8100);
1255 mxf_write_refs_count(pb, 1);
1256 mxf_write_uuid(pb, AVCSubDescriptor, 0);
1262 static void mxf_update_klv_size(AVIOContext *pb, int64_t pos)
1264 int64_t cur_pos = avio_tell(pb);
1265 int size = cur_pos - pos;
1266 avio_seek(pb, pos - 4, SEEK_SET);
1267 klv_encode_ber4_length(pb, size);
1268 avio_seek(pb, cur_pos, SEEK_SET);
1271 static void mxf_write_avc_subdesc(AVFormatContext *s, AVStream *st)
1273 AVIOContext *pb = s->pb;
1276 avio_write(pb, mxf_avc_subdescriptor_key, 16);
1277 klv_encode_ber4_length(pb, 0);
1278 pos = avio_tell(pb);
1280 mxf_write_local_tag(pb, 16, 0x3C0A);
1281 mxf_write_uuid(pb, AVCSubDescriptor, 0);
1283 mxf_write_local_tag(pb, 1, 0x8200);
1284 avio_w8(pb, 0xFF); // AVC Decoding Delay, unknown
1286 mxf_write_local_tag(pb, 1, 0x8201);
1287 avio_w8(pb, st->codecpar->profile); // AVC Profile
1289 mxf_write_local_tag(pb, 1, 0x8202);
1290 avio_w8(pb, st->codecpar->level); // AVC Level
1292 mxf_update_klv_size(s->pb, pos);
1295 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
1297 int64_t pos = mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key);
1298 mxf_update_klv_size(s->pb, pos);
1300 if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
1301 mxf_write_avc_subdesc(s, st);
1305 static void mxf_write_h264_desc(AVFormatContext *s, AVStream *st)
1307 MXFStreamContext *sc = st->priv_data;
1308 if (sc->avc_intra) {
1309 mxf_write_mpegvideo_desc(s, st);
1311 int64_t pos = mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key);
1312 mxf_update_klv_size(s->pb, pos);
1313 mxf_write_avc_subdesc(s, st);
1317 static void mxf_write_s436m_anc_desc(AVFormatContext *s, AVStream *st)
1319 int64_t pos = mxf_write_generic_desc(s, st, mxf_s436m_anc_descriptor_key);
1320 mxf_update_klv_size(s->pb, pos);
1323 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
1325 AVIOContext *pb = s->pb;
1326 MXFStreamContext *sc = st->priv_data;
1327 int profile_and_level = (st->codecpar->profile<<4) | st->codecpar->level;
1328 int64_t pos = mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key);
1330 if (st->codecpar->codec_id != AV_CODEC_ID_H264) {
1332 mxf_write_local_tag(pb, 4, 0x8000);
1333 avio_wb32(pb, sc->video_bit_rate);
1335 // profile and level
1336 mxf_write_local_tag(pb, 1, 0x8007);
1337 if (!st->codecpar->profile)
1338 profile_and_level |= 0x80; // escape bit
1339 avio_w8(pb, profile_and_level);
1342 mxf_write_local_tag(pb, 1, 0x8003);
1343 avio_w8(pb, sc->low_delay);
1346 mxf_write_local_tag(pb, 1, 0x8004);
1347 avio_w8(pb, sc->seq_closed_gop);
1350 mxf_write_local_tag(pb, 2, 0x8006);
1351 avio_wb16(pb, sc->max_gop);
1354 mxf_write_local_tag(pb, 2, 0x8008);
1355 avio_wb16(pb, sc->b_picture_count);
1358 mxf_update_klv_size(pb, pos);
1361 static int64_t mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key)
1363 AVIOContext *pb = s->pb;
1364 MXFContext *mxf = s->priv_data;
1365 int show_warnings = !mxf->footer_partition_offset;
1366 int64_t pos = mxf_write_generic_desc(s, st, key);
1368 if (s->oformat == &ff_mxf_opatom_muxer) {
1369 mxf_write_local_tag(pb, 8, 0x3002);
1370 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
1374 mxf_write_local_tag(pb, 1, 0x3D02);
1377 // write audio sampling rate
1378 mxf_write_local_tag(pb, 8, 0x3D03);
1379 avio_wb32(pb, st->codecpar->sample_rate);
1382 if (s->oformat == &ff_mxf_d10_muxer) {
1383 mxf_write_local_tag(pb, 1, 0x3D04);
1387 mxf_write_local_tag(pb, 4, 0x3D07);
1388 if (mxf->channel_count == -1) {
1389 if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codecpar->channels != 4) && (st->codecpar->channels != 8))
1390 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");
1391 avio_wb32(pb, st->codecpar->channels);
1392 } else if (s->oformat == &ff_mxf_d10_muxer) {
1393 if (show_warnings && (mxf->channel_count < st->codecpar->channels))
1394 av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1395 if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1396 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");
1397 avio_wb32(pb, mxf->channel_count);
1399 avio_wb32(pb, st->codecpar->channels);
1402 mxf_write_local_tag(pb, 4, 0x3D01);
1403 avio_wb32(pb, av_get_bits_per_sample(st->codecpar->codec_id));
1408 static int64_t mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key)
1410 AVIOContext *pb = s->pb;
1411 int64_t pos = mxf_write_generic_sound_common(s, st, key);
1413 mxf_write_local_tag(pb, 2, 0x3D0A);
1414 avio_wb16(pb, st->codecpar->block_align);
1416 // avg bytes per sec
1417 mxf_write_local_tag(pb, 4, 0x3D09);
1418 avio_wb32(pb, st->codecpar->block_align*st->codecpar->sample_rate);
1423 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
1425 int64_t pos = mxf_write_wav_common(s, st, mxf_wav_descriptor_key);
1426 mxf_update_klv_size(s->pb, pos);
1429 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
1431 int64_t pos = mxf_write_wav_common(s, st, mxf_aes3_descriptor_key);
1432 mxf_update_klv_size(s->pb, pos);
1435 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
1437 int64_t pos = mxf_write_generic_sound_common(s, st, mxf_generic_sound_descriptor_key);
1438 mxf_update_klv_size(s->pb, pos);
1441 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 };
1443 static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value)
1445 MXFContext *mxf = s->priv_data;
1446 AVIOContext *pb = s->pb;
1447 int name_size = mxf_utf16_local_tag_length(name);
1448 int indirect_value_size = 13 + mxf_utf16_local_tag_length(value);
1450 if (!name_size || indirect_value_size == 13)
1453 mxf_write_metadata_key(pb, 0x013f00);
1454 klv_encode_ber_length(pb, 24 + name_size + indirect_value_size);
1456 // write instance UID
1457 mxf_write_local_tag(pb, 16, 0x3C0A);
1458 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count);
1461 mxf_write_local_tag_utf16(pb, 0x5001, name); // Name
1463 // write indirect value
1464 mxf_write_local_tag(pb, indirect_value_size, 0x5003);
1465 avio_write(pb, mxf_indirect_value_utf16le, 17);
1466 avio_put_str16le(pb, value);
1468 mxf->tagged_value_count++;
1472 static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m)
1474 MXFContext *mxf = s->priv_data;
1475 AVDictionaryEntry *t = NULL;
1478 while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) {
1479 if (mxf->tagged_value_count >= UINT16_MAX) {
1480 av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n");
1484 if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0)
1490 static void mxf_write_package(AVFormatContext *s, MXFPackage *package)
1492 MXFContext *mxf = s->priv_data;
1493 AVIOContext *pb = s->pb;
1494 int i, track_count = s->nb_streams+1;
1495 int name_size = mxf_utf16_local_tag_length(package->name);
1496 int user_comment_count = 0;
1498 if (package->type == MaterialPackage) {
1499 if (mxf->store_user_comments)
1500 user_comment_count = mxf_write_user_comments(s, s->metadata);
1501 mxf_write_metadata_key(pb, 0x013600);
1502 PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1503 klv_encode_ber_length(pb, 92 + name_size + (16*track_count) + (16*user_comment_count) + 12LL*mxf->store_user_comments);
1505 mxf_write_metadata_key(pb, 0x013700);
1506 PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1507 klv_encode_ber_length(pb, 112 + name_size + (16*track_count) + 12LL*mxf->store_user_comments); // 20 bytes length for descriptor reference
1511 mxf_write_local_tag(pb, 16, 0x3C0A);
1512 mxf_write_uuid(pb, package->type, package->instance);
1513 av_log(s, AV_LOG_DEBUG, "package type:%d\n", package->type);
1514 PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1516 // write package umid
1517 mxf_write_local_tag(pb, 32, 0x4401);
1518 mxf_write_umid(s, package->instance);
1519 PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1523 mxf_write_local_tag_utf16(pb, 0x4402, package->name);
1525 // package creation date
1526 mxf_write_local_tag(pb, 8, 0x4405);
1527 avio_wb64(pb, mxf->timestamp);
1529 // package modified date
1530 mxf_write_local_tag(pb, 8, 0x4404);
1531 avio_wb64(pb, mxf->timestamp);
1534 mxf_write_local_tag(pb, track_count*16 + 8, 0x4403);
1535 mxf_write_refs_count(pb, track_count);
1536 // these are the uuids of the tracks the will be written in mxf_write_track
1537 for (i = 0; i < track_count; i++)
1538 mxf_write_uuid(pb, Track, mxf->track_instance_count + i);
1540 // write user comment refs
1541 if (mxf->store_user_comments) {
1542 mxf_write_local_tag(pb, user_comment_count*16 + 8, 0x4406);
1543 mxf_write_refs_count(pb, user_comment_count);
1544 for (i = 0; i < user_comment_count; i++)
1545 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i);
1548 // write multiple descriptor reference
1549 if (package->type == SourcePackage && package->instance == 1) {
1550 mxf_write_local_tag(pb, 16, 0x4701);
1551 if (s->nb_streams > 1) {
1552 mxf_write_uuid(pb, MultipleDescriptor, 0);
1553 mxf_write_multi_descriptor(s);
1555 mxf_write_uuid(pb, SubDescriptor, 0);
1556 } else if (package->type == SourcePackage && package->instance == 2) {
1557 mxf_write_local_tag(pb, 16, 0x4701);
1558 mxf_write_uuid(pb, TapeDescriptor, 0);
1559 mxf_write_tape_descriptor(s);
1563 * for every 1 track in a package there is 1 sequence and 1 component.
1564 * all 3 of these elements share the same instance number for generating
1565 * there instance uuids. mxf->track_instance_count stores this value.
1566 * mxf->track_instance_count is incremented after a group of all 3 of
1567 * these elements are written.
1570 // write timecode track
1571 mxf_write_track(s, mxf->timecode_track, package);
1572 mxf_write_sequence(s, mxf->timecode_track, package);
1573 mxf_write_timecode_component(s, mxf->timecode_track, package);
1574 mxf->track_instance_count++;
1576 for (i = 0; i < s->nb_streams; i++) {
1577 AVStream *st = s->streams[i];
1578 mxf_write_track(s, st, package);
1579 mxf_write_sequence(s, st, package);
1580 mxf_write_structural_component(s, st, package);
1581 mxf->track_instance_count++;
1583 if (package->type == SourcePackage && package->instance == 1) {
1584 MXFStreamContext *sc = st->priv_data;
1585 mxf_essence_container_uls[sc->index].write_desc(s, st);
1590 static int mxf_write_essence_container_data(AVFormatContext *s)
1592 AVIOContext *pb = s->pb;
1594 mxf_write_metadata_key(pb, 0x012300);
1595 klv_encode_ber_length(pb, 72);
1597 mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID
1598 mxf_write_uuid(pb, EssenceContainerData, 0);
1600 mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID
1601 mxf_write_umid(s, 1);
1603 mxf_write_local_tag(pb, 4, 0x3F07); // BodySID
1606 mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID
1612 static int mxf_write_header_metadata_sets(AVFormatContext *s)
1614 MXFContext *mxf = s->priv_data;
1615 AVDictionaryEntry *entry = NULL;
1616 AVStream *st = NULL;
1618 MXFPackage packages[3] = {{0}};
1619 int package_count = 2;
1620 packages[0].type = MaterialPackage;
1621 packages[1].type = SourcePackage;
1622 packages[1].instance = 1;
1623 packages[0].ref = &packages[1];
1626 if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0))
1627 packages[0].name = entry->value;
1629 if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) {
1630 packages[1].name = entry->value;
1632 /* check if any of the streams contain a file_package_name */
1633 for (i = 0; i < s->nb_streams; i++) {
1635 if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) {
1636 packages[1].name = entry->value;
1642 entry = av_dict_get(s->metadata, "reel_name", NULL, 0);
1644 packages[2].name = entry->value;
1645 packages[2].type = SourcePackage;
1646 packages[2].instance = 2;
1647 packages[1].ref = &packages[2];
1651 mxf_write_preface(s);
1652 mxf_write_identification(s);
1653 mxf_write_content_storage(s, packages, package_count);
1654 mxf->track_instance_count = 0;
1655 for (i = 0; i < package_count; i++)
1656 mxf_write_package(s, &packages[i]);
1657 mxf_write_essence_container_data(s);
1661 static unsigned klv_fill_size(uint64_t size)
1663 unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1664 if (pad < 20) // smallest fill item possible
1665 return pad + KAG_SIZE;
1667 return pad & (KAG_SIZE-1);
1670 static void mxf_write_index_table_segment(AVFormatContext *s)
1672 MXFContext *mxf = s->priv_data;
1673 AVIOContext *pb = s->pb;
1674 int i, j, temporal_reordering = 0;
1675 int key_index = mxf->last_key_index;
1676 int prev_non_b_picture = 0;
1677 int audio_frame_size = 0;
1680 av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1682 if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1685 avio_write(pb, index_table_segment_key, 16);
1687 klv_encode_ber4_length(pb, 0);
1688 pos = avio_tell(pb);
1691 mxf_write_local_tag(pb, 16, 0x3C0A);
1692 mxf_write_uuid(pb, IndexTableSegment, 0);
1695 mxf_write_local_tag(pb, 8, 0x3F0B);
1696 avio_wb32(pb, mxf->time_base.den);
1697 avio_wb32(pb, mxf->time_base.num);
1699 // index start position
1700 mxf_write_local_tag(pb, 8, 0x3F0C);
1701 avio_wb64(pb, mxf->last_indexed_edit_unit);
1704 mxf_write_local_tag(pb, 8, 0x3F0D);
1705 if (mxf->edit_unit_byte_count)
1706 avio_wb64(pb, 0); // index table covers whole container
1708 avio_wb64(pb, mxf->edit_units_count);
1710 // edit unit byte count
1711 mxf_write_local_tag(pb, 4, 0x3F05);
1712 avio_wb32(pb, mxf->edit_unit_byte_count);
1715 mxf_write_local_tag(pb, 4, 0x3F06);
1719 mxf_write_local_tag(pb, 4, 0x3F07);
1722 // real slice count - 1
1723 mxf_write_local_tag(pb, 1, 0x3F08);
1724 avio_w8(pb, !mxf->edit_unit_byte_count); // only one slice for CBR
1726 // delta entry array
1727 mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
1728 avio_wb32(pb, s->nb_streams+1); // num of entries
1729 avio_wb32(pb, 6); // size of one entry
1730 // write system item delta entry
1732 avio_w8(pb, 0); // slice entry
1733 avio_wb32(pb, 0); // element delta
1734 // write each stream delta entry
1735 for (i = 0; i < s->nb_streams; i++) {
1736 AVStream *st = s->streams[i];
1737 MXFStreamContext *sc = st->priv_data;
1738 avio_w8(pb, sc->temporal_reordering);
1739 if (sc->temporal_reordering)
1740 temporal_reordering = 1;
1741 if (mxf->edit_unit_byte_count) {
1742 avio_w8(pb, 0); // slice number
1743 avio_wb32(pb, sc->slice_offset);
1744 } else if (i == 0) { // video track
1745 avio_w8(pb, 0); // slice number
1746 avio_wb32(pb, KAG_SIZE); // system item size including klv fill
1747 } else { // audio or data track
1748 if (!audio_frame_size) {
1749 audio_frame_size = sc->frame_size;
1750 audio_frame_size += klv_fill_size(audio_frame_size);
1753 avio_wb32(pb, (i-1)*audio_frame_size); // element delta
1757 if (!mxf->edit_unit_byte_count) {
1758 MXFStreamContext *sc = s->streams[0]->priv_data;
1759 mxf_write_local_tag(pb, 8 + mxf->edit_units_count*15, 0x3F0A);
1760 avio_wb32(pb, mxf->edit_units_count); // num of entries
1761 avio_wb32(pb, 15); // size of one entry
1763 for (i = 0; i < mxf->edit_units_count; i++) {
1764 int temporal_offset = 0;
1766 if (!(mxf->index_entries[i].flags & 0x33)) { // I-frame
1767 sc->max_gop = FFMAX(sc->max_gop, i - mxf->last_key_index);
1768 mxf->last_key_index = key_index;
1772 if (temporal_reordering) {
1773 int pic_num_in_gop = i - key_index;
1774 if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
1775 for (j = key_index; j < mxf->edit_units_count; j++) {
1776 if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
1779 if (j == mxf->edit_units_count)
1780 av_log(s, AV_LOG_WARNING, "missing frames\n");
1781 temporal_offset = j - key_index - pic_num_in_gop;
1784 avio_w8(pb, temporal_offset);
1786 if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
1787 sc->b_picture_count = FFMAX(sc->b_picture_count, i - prev_non_b_picture);
1788 avio_w8(pb, mxf->last_key_index - i);
1790 avio_w8(pb, key_index - i); // key frame offset
1791 if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
1792 mxf->last_key_index = key_index;
1793 prev_non_b_picture = i;
1796 if (!(mxf->index_entries[i].flags & 0x33) && // I-frame
1797 mxf->index_entries[i].flags & 0x40 && !temporal_offset)
1798 mxf->index_entries[i].flags |= 0x80; // random access
1799 avio_w8(pb, mxf->index_entries[i].flags);
1801 avio_wb64(pb, mxf->index_entries[i].offset);
1802 if (s->nb_streams > 1)
1803 avio_wb32(pb, mxf->index_entries[i].slice_offset);
1808 mxf->last_key_index = key_index - mxf->edit_units_count;
1809 mxf->last_indexed_edit_unit += mxf->edit_units_count;
1810 mxf->edit_units_count = 0;
1813 mxf_update_klv_size(pb, pos);
1816 static void mxf_write_klv_fill(AVFormatContext *s)
1818 unsigned pad = klv_fill_size(avio_tell(s->pb));
1820 avio_write(s->pb, klv_fill_key, 16);
1822 klv_encode_ber4_length(s->pb, pad);
1823 ffio_fill(s->pb, 0, pad);
1824 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
1828 static int mxf_write_partition(AVFormatContext *s, int bodysid,
1830 const uint8_t *key, int write_metadata)
1832 MXFContext *mxf = s->priv_data;
1833 AVIOContext *pb = s->pb;
1834 int64_t header_byte_count_offset;
1835 unsigned index_byte_count = 0;
1836 uint64_t partition_offset = avio_tell(pb);
1839 if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
1840 index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
1841 12+mxf->edit_units_count*15;
1842 else if (mxf->edit_unit_byte_count && indexsid)
1843 index_byte_count = 80;
1845 if (index_byte_count) {
1846 index_byte_count += 16 + 4; // add encoded ber4 length
1847 index_byte_count += klv_fill_size(index_byte_count);
1850 if (key && !memcmp(key, body_partition_key, 16)) {
1851 if ((err = av_reallocp_array(&mxf->body_partition_offset, mxf->body_partitions_count + 1,
1852 sizeof(*mxf->body_partition_offset))) < 0) {
1853 mxf->body_partitions_count = 0;
1856 mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
1861 avio_write(pb, key, 16);
1863 avio_write(pb, body_partition_key, 16);
1865 klv_encode_ber4_length(pb, 88 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
1867 // write partition value
1868 avio_wb16(pb, 1); // majorVersion
1869 avio_wb16(pb, 3); // minorVersion
1870 avio_wb32(pb, KAG_SIZE); // KAGSize
1872 avio_wb64(pb, partition_offset); // ThisPartition
1874 if (key && !memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
1875 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
1876 else if (key && !memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
1877 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
1881 avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
1884 header_byte_count_offset = avio_tell(pb);
1885 avio_wb64(pb, 0); // headerByteCount, update later
1888 avio_wb64(pb, index_byte_count); // indexByteCount
1889 avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
1892 if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && s->oformat != &ff_mxf_opatom_muxer)
1893 avio_wb64(pb, mxf->body_offset);
1897 avio_wb32(pb, bodysid); // bodySID
1899 // operational pattern
1900 if (s->oformat == &ff_mxf_opatom_muxer)
1901 avio_write(pb, opatom_ul, 16);
1903 avio_write(pb, op1a_ul, 16);
1905 // essence container
1906 mxf_write_essence_container_refs(s);
1908 if (write_metadata) {
1909 // mark the start of the headermetadata and calculate metadata size
1911 unsigned header_byte_count;
1913 mxf_write_klv_fill(s);
1914 start = avio_tell(s->pb);
1915 mxf_write_primer_pack(s);
1916 mxf_write_klv_fill(s);
1917 mxf_write_header_metadata_sets(s);
1918 pos = avio_tell(s->pb);
1919 header_byte_count = pos - start + klv_fill_size(pos);
1921 // update header_byte_count
1922 avio_seek(pb, header_byte_count_offset, SEEK_SET);
1923 avio_wb64(pb, header_byte_count);
1924 avio_seek(pb, pos, SEEK_SET);
1928 avio_write_marker(pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
1933 static const struct {
1936 } mxf_prores_codec_uls[] = {
1937 { FF_PROFILE_PRORES_PROXY, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x01,0x00 } },
1938 { FF_PROFILE_PRORES_LT, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x02,0x00 } },
1939 { FF_PROFILE_PRORES_STANDARD, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x03,0x00 } },
1940 { FF_PROFILE_PRORES_HQ, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x04,0x00 } },
1941 { FF_PROFILE_PRORES_4444, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x05,0x00 } },
1942 { FF_PROFILE_PRORES_XQ, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x06,0x00 } },
1945 static int mxf_parse_prores_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
1947 MXFContext *mxf = s->priv_data;
1948 MXFStreamContext *sc = st->priv_data;
1951 if (mxf->header_written)
1954 sc->codec_ul = NULL;
1955 profile = st->codecpar->profile;
1956 for (i = 0; i < FF_ARRAY_ELEMS(mxf_prores_codec_uls); i++) {
1957 if (profile == mxf_prores_codec_uls[i].profile) {
1958 sc->codec_ul = &mxf_prores_codec_uls[i].codec_ul;
1965 sc->frame_size = pkt->size;
1970 static const struct {
1973 } mxf_dnxhd_codec_uls[] = {
1974 { 1235, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 } }, // 1080p 10bit HIGH
1975 { 1237, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 } }, // 1080p 8bit MED
1976 { 1238, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 } }, // 1080p 8bit HIGH
1977 { 1241, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 } }, // 1080i 10bit HIGH
1978 { 1242, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 } }, // 1080i 8bit MED
1979 { 1243, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 } }, // 1080i 8bit HIGH
1980 { 1244, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x0a,0x00,0x00 } }, // 1080i 8bit TR
1981 { 1250, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 } }, // 720p 10bit
1982 { 1251, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 } }, // 720p 8bit HIGH
1983 { 1252, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 } }, // 720p 8bit MED
1984 { 1253, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 } }, // 720p 8bit LOW
1985 { 1256, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x16,0x00,0x00 } }, // 1080p 10bit 444
1986 { 1258, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x18,0x00,0x00 } }, // 720p 8bit TR
1987 { 1259, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x19,0x00,0x00 } }, // 1080p 8bit TR
1988 { 1260, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x1a,0x00,0x00 } }, // 1080i 8bit TR MBAFF
1989 { 1270, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x24,0x00,0x00 } }, // DNXHR 444
1990 { 1271, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x25,0x00,0x00 } }, // DNXHR HQX
1991 { 1272, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x26,0x00,0x00 } }, // DNXHR HQ
1992 { 1273, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x27,0x00,0x00 } }, // DNXHR SQ
1993 { 1274, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x28,0x00,0x00 } }, // DNXHR LB
1996 static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
1998 MXFContext *mxf = s->priv_data;
1999 MXFStreamContext *sc = st->priv_data;
2000 int i, cid, frame_size = 0;
2002 if (mxf->header_written)
2008 sc->codec_ul = NULL;
2009 cid = AV_RB32(pkt->data + 0x28);
2010 for (i = 0; i < FF_ARRAY_ELEMS(mxf_dnxhd_codec_uls); i++) {
2011 if (cid == mxf_dnxhd_codec_uls[i].cid) {
2012 sc->codec_ul = &mxf_dnxhd_codec_uls[i].codec_ul;
2019 sc->component_depth = 0;
2020 switch (pkt->data[0x21] >> 5) {
2021 case 1: sc->component_depth = 8; break;
2022 case 2: sc->component_depth = 10; break;
2023 case 3: sc->component_depth = 12; break;
2025 if (!sc->component_depth)
2028 if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) == DNXHD_VARIABLE) {
2029 frame_size = avpriv_dnxhd_get_hr_frame_size(cid, st->codecpar->width, st->codecpar->height);
2034 if ((sc->interlaced = avpriv_dnxhd_get_interlaced(cid)) < 0)
2037 if (cid >= 1270) { // RI raster
2038 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
2039 st->codecpar->width, st->codecpar->height,
2042 sc->aspect_ratio = (AVRational){ 16, 9 };
2045 sc->frame_size = pkt->size;
2050 static const struct {
2051 const UID container_ul;
2054 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x01,0x01 }, // IEC DV25 525/60
2055 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x01,0x00 } },
2056 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x02,0x01 }, // IEC DV25 626/50
2057 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x02,0x00 } },
2058 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 }, // DV25 525/60
2059 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 }, },
2060 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 }, // DV25 625/50
2061 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 }, },
2062 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 }, // DV50 525/60
2063 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 }, },
2064 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 }, // DV50 625/50
2065 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 }, },
2066 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 }, // DV100 1080/60
2067 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 }, },
2068 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 }, // DV100 1080/50
2069 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 }, },
2070 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 }, // DV100 720/60
2071 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 }, },
2072 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 }, // DV100 720/50
2073 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 }, },
2076 static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2078 MXFContext *mxf = s->priv_data;
2079 MXFStreamContext *sc = st->priv_data;
2080 uint8_t *vs_pack, *vsc_pack;
2081 int apt, ul_index, stype, pal;
2083 if (mxf->header_written)
2086 // Check for minimal frame size
2087 if (pkt->size < 120000)
2090 apt = pkt->data[4] & 0x7;
2091 vs_pack = pkt->data + 80*5 + 48;
2092 vsc_pack = pkt->data + 80*5 + 53;
2093 stype = vs_pack[3] & 0x1f;
2094 pal = (vs_pack[3] >> 5) & 0x1;
2096 if ((vsc_pack[2] & 0x07) == 0x02) {
2097 sc->aspect_ratio = (AVRational){ 16, 9 };
2099 sc->aspect_ratio = (AVRational){ 4, 3 };
2102 sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
2103 // TODO: fix dv encoder to set proper FF/FS value in VSC pack
2104 // and set field dominance accordingly
2105 // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
2108 case 0x18: // DV100 720p
2110 if (sc->interlaced) {
2111 av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
2115 case 0x14: // DV100 1080i
2129 sc->container_ul = &mxf_dv_uls[ul_index].container_ul;
2130 sc->codec_ul = &mxf_dv_uls[ul_index].codec_ul;
2132 sc->frame_size = pkt->size;
2137 static const struct {
2142 int intra_only; // 1 or 0 when there are separate UIDs for Long GOP and Intra, -1 when Intra/LGOP detection can be ignored
2143 } mxf_h264_codec_uls[] = {
2144 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x11,0x01 }, 0, 66, 0, -1 }, // AVC Baseline
2145 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x20,0x01 }, 0, 77, 0, -1 }, // AVC Main
2146 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x30,0x01 }, 0, 88, 0, -1 }, // AVC Extended
2147 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x40,0x01 }, 0, 100, 0, -1 }, // AVC High
2148 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x50,0x01 }, 0, 110, 0, 0 }, // AVC High 10
2149 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x60,0x01 }, 0, 122, 0, 0 }, // AVC High 422
2150 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x70,0x01 }, 0, 244, 0, 0 }, // AVC High 444
2151 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0, 1 }, // AVC High 10 Intra
2152 {{ 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
2153 {{ 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
2154 {{ 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
2155 {{ 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
2156 {{ 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
2157 {{ 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
2158 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0, 1 }, // AVC High 422 Intra
2159 {{ 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
2160 {{ 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
2161 {{ 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
2162 {{ 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
2163 {{ 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
2164 {{ 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
2165 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x40,0x01 }, 0, 244, 0, 1 }, // AVC High 444 Intra
2166 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x50,0x01 }, 0, 44, 0, -1 }, // AVC CAVLC 444
2169 static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st,
2170 AVPacket *pkt, MXFIndexEntry *e)
2172 MXFContext *mxf = s->priv_data;
2173 MXFStreamContext *sc = st->priv_data;
2174 H264SequenceParameterSet *sps = NULL;
2176 const uint8_t *buf = pkt->data;
2177 const uint8_t *buf_end = pkt->data + pkt->size;
2178 const uint8_t *nal_end;
2179 uint32_t state = -1;
2180 int extra_size = 512; // support AVC Intra files without SPS/PPS header
2181 int i, frame_size, slice_type, intra_only = 0;
2184 buf = avpriv_find_start_code(buf, buf_end, &state);
2188 switch (state & 0x1f) {
2192 if (mxf->header_written)
2195 nal_end = ff_avc_find_startcode(buf, buf_end);
2196 sps = ff_avc_decode_sps(buf, nal_end - buf);
2198 av_log(s, AV_LOG_ERROR, "error parsing sps\n");
2202 sc->aspect_ratio.num = st->codecpar->width * sps->sar.num;
2203 sc->aspect_ratio.den = st->codecpar->height * sps->sar.den;
2204 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
2205 sc->aspect_ratio.num, sc->aspect_ratio.den, 1024*1024);
2206 intra_only = (sps->constraint_set_flags >> 3) & 1;
2207 sc->interlaced = !sps->frame_mbs_only_flag;
2208 sc->component_depth = sps->bit_depth_luma;
2213 if (e->flags & 0x40) { // sequence header present
2214 e->flags |= 0x80; // random access
2218 case H264_NAL_IDR_SLICE:
2219 e->flags |= 0x04; // IDR Picture
2222 case H264_NAL_SLICE:
2223 init_get_bits8(&gb, buf, buf_end - buf);
2224 get_ue_golomb_long(&gb); // skip first_mb_in_slice
2225 slice_type = get_ue_golomb_31(&gb);
2226 switch (slice_type % 5) {
2228 e->flags |= 0x20; // P Picture
2229 e->flags |= 0x06; // P Picture
2232 e->flags |= 0x30; // B Picture
2233 e->flags |= 0x03; // non-referenced B Picture
2243 if (mxf->header_written)
2247 sc->interlaced = st->codecpar->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0;
2248 sc->codec_ul = NULL;
2249 frame_size = pkt->size + extra_size;
2251 for (i = 0; i < FF_ARRAY_ELEMS(mxf_h264_codec_uls); i++) {
2252 if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) {
2253 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
2254 sc->component_depth = 10; // AVC Intra is always 10 Bit
2255 sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD
2256 st->codecpar->profile = mxf_h264_codec_uls[i].profile;
2259 sc->frame_size = pkt->size;
2261 sc->field_dominance = 1; // top field first is mandatory for AVC Intra
2263 } else if (sps && mxf_h264_codec_uls[i].frame_size == 0 &&
2264 mxf_h264_codec_uls[i].profile == sps->profile_idc &&
2265 (mxf_h264_codec_uls[i].intra_only < 0 ||
2266 mxf_h264_codec_uls[i].intra_only == intra_only)) {
2267 sc->codec_ul = &mxf_h264_codec_uls[i].uid;
2268 st->codecpar->profile = sps->profile_idc;
2269 st->codecpar->level = sps->level_idc;
2270 // continue to check for avc intra
2276 if (!sc->codec_ul) {
2277 av_log(s, AV_LOG_ERROR, "h264 profile not supported\n");
2284 static const UID mxf_mpeg2_codec_uls[] = {
2285 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
2286 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
2287 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
2288 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
2289 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
2290 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
2291 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
2292 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
2293 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
2294 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
2297 static const UID *mxf_get_mpeg2_codec_ul(AVCodecParameters *par)
2301 if (par->profile == 4) { // Main
2302 if (par->level == 8) // Main
2303 return &mxf_mpeg2_codec_uls[0+long_gop];
2304 else if (par->level == 4) // High
2305 return &mxf_mpeg2_codec_uls[4+long_gop];
2306 else if (par->level == 6) // High 14
2307 return &mxf_mpeg2_codec_uls[8+long_gop];
2308 } else if (par->profile == 0) { // 422
2309 if (par->level == 5) // Main
2310 return &mxf_mpeg2_codec_uls[2+long_gop];
2311 else if (par->level == 2) // High
2312 return &mxf_mpeg2_codec_uls[6+long_gop];
2317 static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st,
2318 AVPacket *pkt, MXFIndexEntry *e)
2320 MXFStreamContext *sc = st->priv_data;
2324 for(i = 0; i < pkt->size - 4; i++) {
2325 c = (c<<8) + pkt->data[i];
2327 if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
2328 st->codecpar->profile = pkt->data[i+1] & 0x07;
2329 st->codecpar->level = pkt->data[i+2] >> 4;
2330 sc->low_delay = pkt->data[i+6] >> 7;
2331 } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
2332 sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
2334 sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
2337 } else if (c == 0x1b8) { // gop
2338 if (pkt->data[i+4]>>6 & 0x01) { // closed
2339 if (sc->seq_closed_gop == -1)
2340 sc->seq_closed_gop = 1;
2342 if (e->flags & 0x40) // sequence header present
2343 e->flags |= 0x80; // random access
2345 sc->seq_closed_gop = 0;
2348 } else if (c == 0x1b3) { // seq
2350 switch ((pkt->data[i+4]>>4) & 0xf) {
2351 case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
2352 case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
2353 case 4: sc->aspect_ratio = (AVRational){221,100}; break;
2355 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
2356 st->codecpar->width, st->codecpar->height, 1024*1024);
2358 } else if (c == 0x100) { // pic
2359 int pict_type = (pkt->data[i+2]>>3) & 0x07;
2360 e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2361 if (pict_type == 2) { // P-frame
2363 sc->closed_gop = 0; // reset closed GOP, don't matter anymore
2364 } else if (pict_type == 3) { // B-frame
2366 e->flags |= 0x13; // only backward prediction
2369 sc->temporal_reordering = -1;
2370 } else if (!pict_type) {
2371 av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
2376 if (s->oformat != &ff_mxf_d10_muxer)
2377 sc->codec_ul = mxf_get_mpeg2_codec_ul(st->codecpar);
2378 return !!sc->codec_ul;
2381 static uint64_t mxf_parse_timestamp(int64_t timestamp64)
2383 time_t timestamp = timestamp64 / 1000000;
2385 struct tm *time = gmtime_r(×tamp, &tmbuf);
2388 return (uint64_t)(time->tm_year+1900) << 48 |
2389 (uint64_t)(time->tm_mon+1) << 40 |
2390 (uint64_t) time->tm_mday << 32 |
2391 time->tm_hour << 24 |
2392 time->tm_min << 16 |
2394 (timestamp64 % 1000000) / 4000;
2397 static void mxf_gen_umid(AVFormatContext *s)
2399 MXFContext *mxf = s->priv_data;
2400 uint32_t seed = av_get_random_seed();
2401 uint64_t umid = seed + 0x5294713400000000LL;
2403 AV_WB64(mxf->umid , umid);
2404 AV_WB64(mxf->umid+8, umid>>8);
2406 mxf->instance_number = seed & 0xFFFFFF;
2409 static int mxf_init_timecode(AVFormatContext *s, AVStream *st, AVRational tbc)
2411 MXFContext *mxf = s->priv_data;
2412 AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
2414 if (!ff_mxf_get_content_package_rate(tbc)) {
2415 if (s->strict_std_compliance > FF_COMPLIANCE_UNOFFICIAL) {
2416 av_log(s, AV_LOG_ERROR, "Unsupported frame rate %d/%d. Set -strict option to 'unofficial' or lower in order to allow it!\n", tbc.den, tbc.num);
2417 return AVERROR(EINVAL);
2419 av_log(s, AV_LOG_WARNING, "Unofficial frame rate %d/%d.\n", tbc.den, tbc.num);
2423 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2425 tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
2428 return av_timecode_init_from_string(&mxf->tc, av_inv_q(tbc), tcr->value, s);
2430 return av_timecode_init(&mxf->tc, av_inv_q(tbc), 0, 0, s);
2433 static int mxf_write_header(AVFormatContext *s)
2435 MXFContext *mxf = s->priv_data;
2437 uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
2438 int64_t timestamp = 0;
2443 if (s->oformat == &ff_mxf_opatom_muxer && s->nb_streams !=1) {
2444 av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n");
2448 if (!av_dict_get(s->metadata, "comment_", NULL, AV_DICT_IGNORE_SUFFIX))
2449 mxf->store_user_comments = 0;
2451 for (i = 0; i < s->nb_streams; i++) {
2452 AVStream *st = s->streams[i];
2453 MXFStreamContext *sc = av_mallocz(sizeof(*sc));
2455 return AVERROR(ENOMEM);
2459 if (((i == 0) ^ (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)) && s->oformat != &ff_mxf_opatom_muxer) {
2460 av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
2464 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2465 const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codecpar->format);
2466 // TODO: should be avg_frame_rate
2467 AVRational tbc = st->time_base;
2468 // Default component depth to 8
2469 sc->component_depth = 8;
2470 sc->h_chroma_sub_sample = 2;
2471 sc->v_chroma_sub_sample = 2;
2472 sc->color_siting = 0xFF;
2474 if (st->codecpar->sample_aspect_ratio.num && st->codecpar->sample_aspect_ratio.den) {
2475 sc->aspect_ratio = av_mul_q(st->codecpar->sample_aspect_ratio,
2476 av_make_q(st->codecpar->width, st->codecpar->height));
2480 sc->component_depth = pix_desc->comp[0].depth;
2481 sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w;
2482 sc->v_chroma_sub_sample = 1 << pix_desc->log2_chroma_h;
2484 switch (ff_choose_chroma_location(s, st)) {
2485 case AVCHROMA_LOC_TOPLEFT: sc->color_siting = 0; break;
2486 case AVCHROMA_LOC_LEFT: sc->color_siting = 6; break;
2487 case AVCHROMA_LOC_TOP: sc->color_siting = 1; break;
2488 case AVCHROMA_LOC_CENTER: sc->color_siting = 3; break;
2491 mxf->content_package_rate = ff_mxf_get_content_package_rate(tbc);
2492 mxf->time_base = tbc;
2493 avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
2494 if((ret = mxf_init_timecode(s, st, tbc)) < 0)
2497 if (st->codecpar->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2498 sc->seq_closed_gop = -1; // unknown yet
2501 sc->video_bit_rate = st->codecpar->bit_rate;
2503 if (s->oformat == &ff_mxf_d10_muxer ||
2504 st->codecpar->codec_id == AV_CODEC_ID_DNXHD ||
2505 st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO)
2508 if (s->oformat == &ff_mxf_d10_muxer) {
2509 int ntsc = mxf->time_base.den != 25;
2512 if (st->codecpar->codec_id != AV_CODEC_ID_MPEG2VIDEO) {
2513 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support MPEG-2 Video\n");
2514 return AVERROR(EINVAL);
2516 if ((sc->video_bit_rate == 50000000) && (mxf->time_base.den == 25)) {
2518 } else if ((sc->video_bit_rate == 49999840 || sc->video_bit_rate == 50000000) && ntsc) {
2520 } else if (sc->video_bit_rate == 40000000) {
2522 } else if (sc->video_bit_rate == 30000000) {
2525 av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
2529 sc->codec_ul = &mxf_d10_codec_uls[ul_index];
2530 sc->container_ul = &mxf_d10_container_uls[ul_index];
2531 sc->index = INDEX_D10_VIDEO;
2532 sc->signal_standard = 1;
2533 sc->color_siting = 0;
2534 sc->frame_size = (int64_t)sc->video_bit_rate *
2535 mxf->time_base.num / (8*mxf->time_base.den);
2537 if (mxf->signal_standard >= 0)
2538 sc->signal_standard = mxf->signal_standard;
2539 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2541 if (st->codecpar->sample_rate != 48000) {
2542 av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
2545 avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
2546 if (s->oformat == &ff_mxf_d10_muxer) {
2547 if (st->index != 1) {
2548 av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
2551 if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2552 st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) {
2553 av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
2555 sc->index = INDEX_D10_AUDIO;
2556 sc->container_ul = ((MXFStreamContext*)s->streams[0]->priv_data)->container_ul;
2557 sc->frame_size = 4 + 8 * av_rescale_rnd(st->codecpar->sample_rate, mxf->time_base.num, mxf->time_base.den, AV_ROUND_UP) * 4;
2558 } else if (s->oformat == &ff_mxf_opatom_muxer) {
2559 AVRational tbc = av_inv_q(mxf->audio_edit_rate);
2561 if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2562 st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) {
2563 av_log(s, AV_LOG_ERROR, "Only pcm_s16le and pcm_s24le audio codecs are implemented\n");
2564 return AVERROR_PATCHWELCOME;
2566 if (st->codecpar->channels != 1) {
2567 av_log(s, AV_LOG_ERROR, "MXF OPAtom only supports single channel audio\n");
2568 return AVERROR(EINVAL);
2571 mxf->time_base = st->time_base;
2572 if((ret = mxf_init_timecode(s, st, tbc)) < 0)
2575 mxf->edit_unit_byte_count = (av_get_bits_per_sample(st->codecpar->codec_id) * st->codecpar->channels) >> 3;
2576 sc->index = INDEX_WAV;
2578 mxf->slice_count = 1;
2579 sc->frame_size = st->codecpar->channels *
2580 av_rescale_rnd(st->codecpar->sample_rate, mxf->time_base.num, mxf->time_base.den, AV_ROUND_UP) *
2581 av_get_bits_per_sample(st->codecpar->codec_id) / 8;
2583 snprintf(bsf_arg, sizeof(bsf_arg), "r=%d/%d", mxf->tc.rate.num, mxf->tc.rate.den);
2584 ret = ff_stream_add_bitstream_filter(st, "pcm_rechunk", bsf_arg);
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;
2656 static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
2657 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 };
2659 static void mxf_write_system_item(AVFormatContext *s)
2661 MXFContext *mxf = s->priv_data;
2662 AVIOContext *pb = s->pb;
2665 int i, system_item_bitmap = 0x58; // UL, user date/time stamp, picture present
2667 frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2669 // write system metadata pack
2670 avio_write(pb, system_metadata_pack_key, 16);
2671 klv_encode_ber4_length(pb, 57);
2673 for (i = 0; i < s->nb_streams; i++) {
2674 if (s->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
2675 system_item_bitmap |= 0x4;
2676 else if (s->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_DATA)
2677 system_item_bitmap |= 0x2;
2679 avio_w8(pb, system_item_bitmap);
2680 avio_w8(pb, mxf->content_package_rate); // content package rate
2681 avio_w8(pb, 0x00); // content package type
2682 avio_wb16(pb, 0x00); // channel handle
2683 avio_wb16(pb, frame & 0xFFFF); // continuity count, supposed to overflow
2684 if (mxf->essence_container_count > 1)
2685 avio_write(pb, multiple_desc_ul, 16);
2687 MXFStreamContext *sc = s->streams[0]->priv_data;
2688 avio_write(pb, *sc->container_ul, 16);
2692 avio_wb64(pb, 0); // creation date/time stamp
2694 avio_w8(pb, 0x81); // SMPTE 12M time code
2695 time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
2696 avio_wb32(pb, time_code);
2697 avio_wb32(pb, 0); // binary group data
2700 // write system metadata package set
2701 avio_write(pb, system_metadata_package_set_key, 16);
2702 klv_encode_ber4_length(pb, 35);
2703 avio_w8(pb, 0x83); // UMID
2704 avio_wb16(pb, 0x20);
2705 mxf_write_umid(s, 1);
2708 static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2710 MXFContext *mxf = s->priv_data;
2711 AVIOContext *pb = s->pb;
2712 int frame_size = pkt->size / st->codecpar->block_align;
2713 uint8_t *samples = pkt->data;
2714 uint8_t *end = pkt->data + pkt->size;
2717 klv_encode_ber4_length(pb, 4 + frame_size*4*8);
2719 avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
2720 avio_wl16(pb, frame_size);
2721 avio_w8(pb, (1<<st->codecpar->channels)-1);
2723 while (samples < end) {
2724 for (i = 0; i < st->codecpar->channels; i++) {
2726 if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
2727 sample = AV_RL24(samples)<< 4;
2730 sample = AV_RL16(samples)<<12;
2733 avio_wl32(pb, sample | i);
2740 static int mxf_write_opatom_body_partition(AVFormatContext *s)
2742 MXFContext *mxf = s->priv_data;
2743 AVIOContext *pb = s->pb;
2744 AVStream *st = s->streams[0];
2745 MXFStreamContext *sc = st->priv_data;
2746 const uint8_t *key = NULL;
2750 if (!mxf->header_written)
2751 key = body_partition_key;
2753 if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0)
2755 mxf_write_klv_fill(s);
2756 avio_write(pb, sc->track_essence_element_key, 16);
2757 klv_encode_ber9_length(pb, mxf->body_offset);
2761 static int mxf_write_opatom_packet(AVFormatContext *s, AVPacket *pkt, MXFIndexEntry *ie)
2763 MXFContext *mxf = s->priv_data;
2764 AVIOContext *pb = s->pb;
2768 if (!mxf->header_written) {
2769 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2771 mxf_write_klv_fill(s);
2773 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2775 mxf->header_written = 1;
2778 if (!mxf->edit_unit_byte_count) {
2779 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2780 mxf->index_entries[mxf->edit_units_count].flags = ie->flags;
2781 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie->temporal_ref;
2783 mxf->edit_units_count++;
2784 avio_write(pb, pkt->data, pkt->size);
2785 mxf->body_offset += pkt->size;
2790 static void mxf_compute_edit_unit_byte_count(AVFormatContext *s)
2792 MXFContext *mxf = s->priv_data;
2795 if (s->oformat == &ff_mxf_opatom_muxer) {
2796 MXFStreamContext *sc = s->streams[0]->priv_data;
2797 mxf->edit_unit_byte_count = sc->frame_size;
2801 mxf->edit_unit_byte_count = KAG_SIZE; // system element
2802 for (i = 0; i < s->nb_streams; i++) {
2803 AVStream *st = s->streams[i];
2804 MXFStreamContext *sc = st->priv_data;
2805 sc->slice_offset = mxf->edit_unit_byte_count;
2806 mxf->edit_unit_byte_count += 16 + 4 + sc->frame_size;
2807 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
2811 static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
2813 MXFContext *mxf = s->priv_data;
2814 AVIOContext *pb = s->pb;
2815 AVStream *st = s->streams[pkt->stream_index];
2816 MXFStreamContext *sc = st->priv_data;
2817 MXFIndexEntry ie = {0};
2820 if (!mxf->cbr_index && !mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) {
2821 if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
2822 + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
2823 mxf->edit_units_count = 0;
2824 av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
2829 if (st->codecpar->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2830 if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
2831 av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
2834 } else if (st->codecpar->codec_id == AV_CODEC_ID_DNXHD) {
2835 if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
2836 av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
2839 } else if (st->codecpar->codec_id == AV_CODEC_ID_PRORES) {
2840 if (!mxf_parse_prores_frame(s, st, pkt)) {
2841 av_log(s, AV_LOG_ERROR, "could not get prores profile\n");
2844 } else if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) {
2845 if (!mxf_parse_dv_frame(s, st, pkt)) {
2846 av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
2849 } else if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
2850 if (!mxf_parse_h264_frame(s, st, pkt, &ie)) {
2851 av_log(s, AV_LOG_ERROR, "could not get h264 profile\n");
2856 if (mxf->cbr_index) {
2857 if (pkt->size != sc->frame_size && st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2858 av_log(s, AV_LOG_ERROR, "track %d: frame size does not match index unit size, %d != %d\n",
2859 st->index, pkt->size, sc->frame_size);
2862 if (!mxf->header_written)
2863 mxf_compute_edit_unit_byte_count(s);
2866 if (s->oformat == &ff_mxf_opatom_muxer)
2867 return mxf_write_opatom_packet(s, pkt, &ie);
2869 if (!mxf->header_written) {
2870 if (mxf->edit_unit_byte_count) {
2871 if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
2873 mxf_write_klv_fill(s);
2874 mxf_write_index_table_segment(s);
2876 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2879 mxf->header_written = 1;
2882 if (st->index == 0) {
2883 if (!mxf->edit_unit_byte_count &&
2884 (!mxf->edit_units_count || mxf->edit_units_count > EDIT_UNITS_PER_BODY) &&
2885 !(ie.flags & 0x33)) { // I-frame, GOP start
2886 mxf_write_klv_fill(s);
2887 if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
2889 mxf_write_klv_fill(s);
2890 mxf_write_index_table_segment(s);
2893 mxf_write_klv_fill(s);
2894 mxf_write_system_item(s);
2896 if (!mxf->edit_unit_byte_count) {
2897 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
2898 mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
2899 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie.temporal_ref;
2900 mxf->body_offset += KAG_SIZE; // size of system element
2902 mxf->edit_units_count++;
2903 } else if (!mxf->edit_unit_byte_count && st->index == 1) {
2904 if (!mxf->edit_units_count) {
2905 av_log(s, AV_LOG_ERROR, "No packets in first stream\n");
2906 return AVERROR_PATCHWELCOME;
2908 mxf->index_entries[mxf->edit_units_count-1].slice_offset =
2909 mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
2912 mxf_write_klv_fill(s);
2913 avio_write(pb, sc->track_essence_element_key, 16); // write key
2914 if (s->oformat == &ff_mxf_d10_muxer &&
2915 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2916 mxf_write_d10_audio_packet(s, st, pkt);
2918 klv_encode_ber4_length(pb, pkt->size); // write length
2919 avio_write(pb, pkt->data, pkt->size);
2920 mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
2926 static void mxf_write_random_index_pack(AVFormatContext *s)
2928 MXFContext *mxf = s->priv_data;
2929 AVIOContext *pb = s->pb;
2930 uint64_t pos = avio_tell(pb);
2933 avio_write(pb, random_index_pack_key, 16);
2934 klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
2936 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer)
2937 avio_wb32(pb, 1); // BodySID of header partition
2940 avio_wb64(pb, 0); // offset of header partition
2942 for (i = 0; i < mxf->body_partitions_count; i++) {
2943 avio_wb32(pb, 1); // BodySID
2944 avio_wb64(pb, mxf->body_partition_offset[i]);
2947 avio_wb32(pb, 0); // BodySID of footer partition
2948 avio_wb64(pb, mxf->footer_partition_offset);
2950 avio_wb32(pb, avio_tell(pb) - pos + 4);
2953 static int mxf_write_footer(AVFormatContext *s)
2955 MXFContext *mxf = s->priv_data;
2956 AVIOContext *pb = s->pb;
2959 if (!mxf->header_written ||
2960 (s->oformat == &ff_mxf_opatom_muxer && !mxf->body_partition_offset)) {
2961 /* reason could be invalid options/not supported codec/out of memory */
2962 return AVERROR_UNKNOWN;
2965 mxf->duration = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2967 mxf_write_klv_fill(s);
2968 mxf->footer_partition_offset = avio_tell(pb);
2969 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { // no need to repeat index
2970 if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
2973 if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
2975 mxf_write_klv_fill(s);
2976 mxf_write_index_table_segment(s);
2979 mxf_write_klv_fill(s);
2980 mxf_write_random_index_pack(s);
2982 if (s->pb->seekable & AVIO_SEEKABLE_NORMAL) {
2983 if (s->oformat == &ff_mxf_opatom_muxer) {
2984 /* rewrite body partition to update lengths */
2985 avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET);
2986 if ((err = mxf_write_opatom_body_partition(s)) < 0)
2990 avio_seek(pb, 0, SEEK_SET);
2991 if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) {
2992 if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
2994 mxf_write_klv_fill(s);
2995 mxf_write_index_table_segment(s);
2997 if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
3000 // update footer partition offset
3001 for (i = 0; i < mxf->body_partitions_count; i++) {
3002 avio_seek(pb, mxf->body_partition_offset[i]+44, SEEK_SET);
3003 avio_wb64(pb, mxf->footer_partition_offset);
3010 static void mxf_deinit(AVFormatContext *s)
3012 MXFContext *mxf = s->priv_data;
3014 av_freep(&mxf->index_entries);
3015 av_freep(&mxf->body_partition_offset);
3016 if (mxf->timecode_track) {
3017 av_freep(&mxf->timecode_track->priv_data);
3018 av_freep(&mxf->timecode_track);
3022 static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
3024 int i, stream_count = 0;
3026 for (i = 0; i < s->nb_streams; i++)
3027 stream_count += !!s->streams[i]->last_in_packet_buffer;
3029 if (stream_count && (s->nb_streams == stream_count || flush)) {
3030 AVPacketList *pktl = s->internal->packet_buffer;
3031 if (s->nb_streams != stream_count) {
3032 AVPacketList *last = NULL;
3033 // find last packet in edit unit
3035 if (!stream_count || pktl->pkt.stream_index == 0)
3037 // update last packet in packet buffer
3038 if (s->streams[pktl->pkt.stream_index]->last_in_packet_buffer != pktl)
3039 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer = pktl;
3044 // purge packet queue
3046 AVPacketList *next = pktl->next;
3047 av_packet_unref(&pktl->pkt);
3054 s->internal->packet_buffer = NULL;
3055 s->internal->packet_buffer_end= NULL;
3058 pktl = s->internal->packet_buffer;
3062 av_log(s, AV_LOG_TRACE, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts);
3063 s->internal->packet_buffer = pktl->next;
3064 if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
3065 s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
3066 if(!s->internal->packet_buffer)
3067 s->internal->packet_buffer_end= NULL;
3076 static int mxf_compare_timestamps(AVFormatContext *s, const AVPacket *next,
3077 const AVPacket *pkt)
3079 MXFStreamContext *sc = s->streams[pkt ->stream_index]->priv_data;
3080 MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
3082 return next->dts > pkt->dts ||
3083 (next->dts == pkt->dts && sc->order < sc2->order);
3086 static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
3090 MXFStreamContext *sc = s->streams[pkt->stream_index]->priv_data;
3091 pkt->pts = pkt->dts = sc->pkt_cnt++;
3092 if ((ret = ff_interleave_add_packet(s, pkt, mxf_compare_timestamps)) < 0)
3095 return mxf_interleave_get_packet(s, out, NULL, flush);
3098 #define MXF_COMMON_OPTIONS \
3099 { "signal_standard", "Force/set Signal Standard",\
3100 offsetof(MXFContext, signal_standard), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3101 { "bt601", "ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)",\
3102 0, AV_OPT_TYPE_CONST, {.i64 = 1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3103 { "bt1358", "ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)",\
3104 0, AV_OPT_TYPE_CONST, {.i64 = 2}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3105 { "smpte347m", "SMPTE 347M (540 Mbps mappings)",\
3106 0, AV_OPT_TYPE_CONST, {.i64 = 3}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3107 { "smpte274m", "SMPTE 274M (1125 line)",\
3108 0, AV_OPT_TYPE_CONST, {.i64 = 4}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3109 { "smpte296m", "SMPTE 296M (750 line progressive)",\
3110 0, AV_OPT_TYPE_CONST, {.i64 = 5}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3111 { "smpte349m", "SMPTE 349M (1485 Mbps mappings)",\
3112 0, AV_OPT_TYPE_CONST, {.i64 = 6}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3113 { "smpte428", "SMPTE 428-1 DCDM",\
3114 0, AV_OPT_TYPE_CONST, {.i64 = 7}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},
3118 static const AVOption mxf_options[] = {
3120 { "store_user_comments", "",
3121 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3125 static const AVClass mxf_muxer_class = {
3126 .class_name = "MXF muxer",
3127 .item_name = av_default_item_name,
3128 .option = mxf_options,
3129 .version = LIBAVUTIL_VERSION_INT,
3132 static const AVOption d10_options[] = {
3133 { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
3134 offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
3136 { "store_user_comments", "",
3137 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3141 static const AVClass mxf_d10_muxer_class = {
3142 .class_name = "MXF-D10 muxer",
3143 .item_name = av_default_item_name,
3144 .option = d10_options,
3145 .version = LIBAVUTIL_VERSION_INT,
3148 static const AVOption opatom_options[] = {
3149 { "mxf_audio_edit_rate", "Audio edit rate for timecode",
3150 offsetof(MXFContext, audio_edit_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
3152 { "store_user_comments", "",
3153 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3157 static const AVClass mxf_opatom_muxer_class = {
3158 .class_name = "MXF-OPAtom muxer",
3159 .item_name = av_default_item_name,
3160 .option = opatom_options,
3161 .version = LIBAVUTIL_VERSION_INT,
3164 AVOutputFormat ff_mxf_muxer = {
3166 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
3167 .mime_type = "application/mxf",
3168 .extensions = "mxf",
3169 .priv_data_size = sizeof(MXFContext),
3170 .audio_codec = AV_CODEC_ID_PCM_S16LE,
3171 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
3172 .write_header = mxf_write_header,
3173 .write_packet = mxf_write_packet,
3174 .write_trailer = mxf_write_footer,
3175 .deinit = mxf_deinit,
3176 .flags = AVFMT_NOTIMESTAMPS,
3177 .interleave_packet = mxf_interleave,
3178 .priv_class = &mxf_muxer_class,
3181 AVOutputFormat ff_mxf_d10_muxer = {
3183 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
3184 .mime_type = "application/mxf",
3185 .priv_data_size = sizeof(MXFContext),
3186 .audio_codec = AV_CODEC_ID_PCM_S16LE,
3187 .video_codec = AV_CODEC_ID_MPEG2VIDEO,
3188 .write_header = mxf_write_header,
3189 .write_packet = mxf_write_packet,
3190 .write_trailer = mxf_write_footer,
3191 .deinit = mxf_deinit,
3192 .flags = AVFMT_NOTIMESTAMPS,
3193 .interleave_packet = mxf_interleave,
3194 .priv_class = &mxf_d10_muxer_class,
3197 AVOutputFormat ff_mxf_opatom_muxer = {
3198 .name = "mxf_opatom",
3199 .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"),
3200 .mime_type = "application/mxf",
3201 .extensions = "mxf",
3202 .priv_data_size = sizeof(MXFContext),
3203 .audio_codec = AV_CODEC_ID_PCM_S16LE,
3204 .video_codec = AV_CODEC_ID_DNXHD,
3205 .write_header = mxf_write_header,
3206 .write_packet = mxf_write_packet,
3207 .write_trailer = mxf_write_footer,
3208 .deinit = mxf_deinit,
3209 .flags = AVFMT_NOTIMESTAMPS,
3210 .interleave_packet = mxf_interleave,
3211 .priv_class = &mxf_opatom_muxer_class,