123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011101210131014101510161017101810191020102110221023102410251026102710281029103010311032103310341035103610371038103910401041104210431044104510461047104810491050105110521053105410551056105710581059106010611062106310641065106610671068106910701071107210731074107510761077107810791080108110821083108410851086108710881089109010911092109310941095109610971098109911001101110211031104110511061107110811091110111111121113111411151116111711181119112011211122112311241125112611271128112911301131113211331134113511361137113811391140114111421143114411451146114711481149115011511152115311541155115611571158115911601161116211631164116511661167116811691170117111721173117411751176117711781179118011811182118311841185118611871188118911901191119211931194119511961197119811991200120112021203120412051206120712081209121012111212121312141215121612171218121912201221122212231224122512261227122812291230123112321233123412351236123712381239124012411242124312441245124612471248124912501251125212531254125512561257125812591260126112621263126412651266126712681269127012711272127312741275127612771278127912801281128212831284128512861287128812891290129112921293129412951296129712981299130013011302130313041305130613071308130913101311131213131314131513161317131813191320132113221323132413251326132713281329133013311332133313341335133613371338133913401341134213431344134513461347134813491350135113521353135413551356135713581359136013611362136313641365136613671368136913701371137213731374137513761377137813791380138113821383138413851386138713881389139013911392139313941395139613971398139914001401140214031404140514061407140814091410141114121413141414151416141714181419142014211422142314241425142614271428142914301431143214331434143514361437143814391440144114421443144414451446144714481449145014511452145314541455145614571458145914601461146214631464146514661467146814691470147114721473147414751476147714781479148014811482148314841485148614871488148914901491149214931494149514961497149814991500150115021503150415051506150715081509151015111512151315141515151615171518151915201521152215231524152515261527152815291530153115321533153415351536153715381539154015411542154315441545154615471548154915501551155215531554155515561557155815591560156115621563156415651566156715681569157015711572157315741575157615771578157915801581158215831584158515861587158815891590159115921593159415951596159715981599160016011602160316041605160616071608160916101611161216131614161516161617161816191620162116221623162416251626162716281629163016311632163316341635163616371638163916401641164216431644164516461647164816491650165116521653165416551656165716581659166016611662166316641665166616671668166916701671167216731674167516761677167816791680168116821683168416851686168716881689169016911692169316941695169616971698169917001701170217031704170517061707170817091710171117121713171417151716171717181719172017211722172317241725172617271728172917301731173217331734173517361737173817391740174117421743174417451746174717481749175017511752175317541755175617571758175917601761176217631764176517661767176817691770177117721773177417751776177717781779178017811782178317841785178617871788178917901791179217931794179517961797179817991800180118021803180418051806180718081809181018111812181318141815181618171818181918201821182218231824182518261827182818291830183118321833183418351836183718381839184018411842184318441845184618471848184918501851185218531854185518561857185818591860186118621863186418651866186718681869187018711872187318741875187618771878187918801881188218831884188518861887188818891890189118921893189418951896189718981899190019011902190319041905190619071908190919101911191219131914191519161917191819191920192119221923 |
- /*
- * MXF muxer
- * Copyright (c) 2008 GUCAS, Zhentan Feng <spyfeng at gmail dot com>
- * Copyright (c) 2008 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
- /*
- * References
- * SMPTE 336M KLV Data Encoding Protocol Using Key-Length-Value
- * SMPTE 377M MXF File Format Specifications
- * SMPTE 379M MXF Generic Container
- * SMPTE 381M Mapping MPEG Streams into the MXF Generic Container
- * SMPTE RP210: SMPTE Metadata Dictionary
- * SMPTE RP224: Registry of SMPTE Universal Labels
- */
- //#define DEBUG
- #include <math.h>
- #include <time.h>
- #include "libavutil/opt.h"
- #include "libavutil/random_seed.h"
- #include "libavcodec/bytestream.h"
- #include "libavcodec/timecode.h"
- #include "audiointerleave.h"
- #include "avformat.h"
- #include "internal.h"
- #include "mxf.h"
- static const int NTSC_samples_per_frame[] = { 1602, 1601, 1602, 1601, 1602, 0 };
- static const int PAL_samples_per_frame[] = { 1920, 0 };
- extern AVOutputFormat ff_mxf_d10_muxer;
- #define EDIT_UNITS_PER_BODY 250
- #define KAG_SIZE 512
- typedef struct {
- int local_tag;
- UID uid;
- } MXFLocalTagPair;
- typedef struct {
- uint8_t flags;
- uint64_t offset;
- unsigned slice_offset; ///< offset of audio slice
- uint16_t temporal_ref;
- } MXFIndexEntry;
- typedef struct {
- AudioInterleaveContext aic;
- UID track_essence_element_key;
- int index; ///< index in mxf_essence_container_uls table
- const UID *codec_ul;
- int order; ///< interleaving order if dts are equal
- int interlaced; ///< whether picture is interlaced
- int temporal_reordering;
- AVRational aspect_ratio; ///< display aspect ratio
- int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
- } MXFStreamContext;
- typedef struct {
- UID container_ul;
- UID element_ul;
- UID codec_ul;
- void (*write_desc)(AVFormatContext *, AVStream *);
- } MXFContainerEssenceEntry;
- static const struct {
- enum CodecID id;
- int index;
- } mxf_essence_mappings[] = {
- { CODEC_ID_MPEG2VIDEO, 0 },
- { CODEC_ID_PCM_S24LE, 1 },
- { CODEC_ID_PCM_S16LE, 1 },
- { CODEC_ID_NONE }
- };
- static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
- static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
- static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st);
- static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
- static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st);
- static const MXFContainerEssenceEntry mxf_essence_container_uls[] = {
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
- { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
- { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
- mxf_write_mpegvideo_desc },
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
- { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
- { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
- mxf_write_aes3_desc },
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
- { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
- { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
- mxf_write_wav_desc },
- // D-10 625/50 PAL 50mb/s
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
- { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
- { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
- mxf_write_cdci_desc },
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
- { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
- { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
- mxf_write_generic_sound_desc },
- // D-10 525/60 NTSC 50mb/s
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
- { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
- { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 },
- mxf_write_cdci_desc },
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
- { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
- { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
- mxf_write_generic_sound_desc },
- // D-10 625/50 PAL 40mb/s
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
- { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
- { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 },
- mxf_write_cdci_desc },
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
- { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
- { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
- mxf_write_generic_sound_desc },
- // D-10 525/60 NTSC 40mb/s
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
- { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
- { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 },
- mxf_write_cdci_desc },
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
- { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
- { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
- mxf_write_generic_sound_desc },
- // D-10 625/50 PAL 30mb/s
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
- { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
- { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 },
- mxf_write_cdci_desc },
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
- { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
- { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
- mxf_write_generic_sound_desc },
- // D-10 525/60 NTSC 30mb/s
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
- { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
- { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 },
- mxf_write_cdci_desc },
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
- { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
- { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
- mxf_write_generic_sound_desc },
- { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
- { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
- { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
- NULL },
- };
- typedef struct MXFContext {
- AVClass *av_class;
- int64_t footer_partition_offset;
- int essence_container_count;
- AVRational time_base;
- int header_written;
- MXFIndexEntry *index_entries;
- unsigned edit_units_count;
- uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
- uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
- int last_indexed_edit_unit;
- uint64_t *body_partition_offset;
- unsigned body_partitions_count;
- int last_key_index; ///< index of last key frame
- uint64_t duration;
- struct ff_timecode tc;
- AVStream *timecode_track;
- int timecode_base; ///< rounded time code base (25 or 30)
- int edit_unit_byte_count; ///< fixed edit unit byte count
- uint64_t body_offset;
- uint32_t instance_number;
- uint8_t umid[16]; ///< unique material identifier
- } MXFContext;
- static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
- static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
- /**
- * complete key for operation pattern, partitions, and primer pack
- */
- static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
- static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
- static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
- static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
- static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
- 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
- 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
- static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
- static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
- /**
- * partial key for header metadata
- */
- static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
- static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
- /**
- * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
- */
- static const MXFLocalTagPair mxf_local_tag_batch[] = {
- // preface set
- { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
- { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
- { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
- { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
- { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
- { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
- { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
- { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
- // Identification
- { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
- { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
- { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
- { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
- { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
- { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
- // Content Storage
- { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
- { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
- // Essence Container Data
- { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
- { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
- // Package
- { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
- { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
- { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
- { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
- { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
- // Track
- { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
- { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
- { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
- { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
- { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
- // Sequence
- { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
- { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
- { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
- // Source Clip
- { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
- { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
- { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
- // Timecode Component
- { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
- { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
- { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
- // File Descriptor
- { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
- { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
- { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
- { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
- // Generic Picture Essence Descriptor
- { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
- { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
- { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
- { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
- { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
- { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
- { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
- { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
- // CDCI Picture Essence Descriptor
- { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
- { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
- // Generic Sound Essence Descriptor
- { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
- { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
- { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
- { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
- { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
- // Index Table Segment
- { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
- { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
- { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
- { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
- { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
- { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
- { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
- { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
- // MPEG video Descriptor
- { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
- { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
- // Wave Audio Essence Descriptor
- { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
- { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
- };
- static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
- {
- avio_write(pb, uuid_base, 12);
- avio_wb16(pb, type);
- avio_wb16(pb, value);
- }
- static void mxf_write_umid(AVFormatContext *s, int type)
- {
- MXFContext *mxf = s->priv_data;
- avio_write(s->pb, umid_ul, 13);
- avio_wb24(s->pb, mxf->instance_number);
- avio_write(s->pb, mxf->umid, 15);
- avio_w8(s->pb, type);
- }
- static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
- {
- avio_wb32(pb, ref_count);
- avio_wb32(pb, 16);
- }
- static int klv_ber_length(uint64_t len)
- {
- if (len < 128)
- return 1;
- else
- return (av_log2(len) >> 3) + 2;
- }
- static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
- {
- // Determine the best BER size
- int size;
- if (len < 128) {
- //short form
- avio_w8(pb, len);
- return 1;
- }
- size = (av_log2(len) >> 3) + 1;
- // long form
- avio_w8(pb, 0x80 + size);
- while(size) {
- size--;
- avio_w8(pb, len >> 8 * size & 0xff);
- }
- return 0;
- }
- static void klv_encode_ber4_length(AVIOContext *pb, int len)
- {
- avio_w8(pb, 0x80 + 3);
- avio_wb24(pb, len);
- }
- /*
- * Get essence container ul index
- */
- static int mxf_get_essence_container_ul_index(enum CodecID id)
- {
- int i;
- for (i = 0; mxf_essence_mappings[i].id; i++)
- if (mxf_essence_mappings[i].id == id)
- return mxf_essence_mappings[i].index;
- return -1;
- }
- static void mxf_write_primer_pack(AVFormatContext *s)
- {
- AVIOContext *pb = s->pb;
- int local_tag_number, i = 0;
- local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch);
- avio_write(pb, primer_pack_key, 16);
- klv_encode_ber_length(pb, local_tag_number * 18 + 8);
- avio_wb32(pb, local_tag_number); // local_tag num
- avio_wb32(pb, 18); // item size, always 18 according to the specs
- for (i = 0; i < local_tag_number; i++) {
- avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
- avio_write(pb, mxf_local_tag_batch[i].uid, 16);
- }
- }
- static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
- {
- avio_wb16(pb, tag);
- avio_wb16(pb, size);
- }
- static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
- {
- avio_write(pb, header_metadata_key, 13);
- avio_wb24(pb, value);
- }
- static void mxf_free(AVFormatContext *s)
- {
- int i;
- for (i = 0; i < s->nb_streams; i++) {
- AVStream *st = s->streams[i];
- av_freep(&st->priv_data);
- }
- }
- static const MXFCodecUL *mxf_get_data_definition_ul(int type)
- {
- const MXFCodecUL *uls = ff_mxf_data_definition_uls;
- while (uls->uid[0]) {
- if (type == uls->id)
- break;
- uls++;
- }
- return uls;
- }
- static void mxf_write_essence_container_refs(AVFormatContext *s)
- {
- MXFContext *c = s->priv_data;
- AVIOContext *pb = s->pb;
- int i;
- mxf_write_refs_count(pb, c->essence_container_count);
- av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
- for (i = 0; i < c->essence_container_count; i++) {
- MXFStreamContext *sc = s->streams[i]->priv_data;
- avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
- }
- }
- static void mxf_write_preface(AVFormatContext *s)
- {
- MXFContext *mxf = s->priv_data;
- AVIOContext *pb = s->pb;
- mxf_write_metadata_key(pb, 0x012f00);
- PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
- klv_encode_ber_length(pb, 130 + 16 * mxf->essence_container_count);
- // write preface set uid
- mxf_write_local_tag(pb, 16, 0x3C0A);
- mxf_write_uuid(pb, Preface, 0);
- PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
- // last modified date
- mxf_write_local_tag(pb, 8, 0x3B02);
- avio_wb64(pb, mxf->timestamp);
- // write version
- mxf_write_local_tag(pb, 2, 0x3B05);
- avio_wb16(pb, 258); // v1.2
- // write identification_refs
- mxf_write_local_tag(pb, 16 + 8, 0x3B06);
- mxf_write_refs_count(pb, 1);
- mxf_write_uuid(pb, Identification, 0);
- // write content_storage_refs
- mxf_write_local_tag(pb, 16, 0x3B03);
- mxf_write_uuid(pb, ContentStorage, 0);
- // operational pattern
- mxf_write_local_tag(pb, 16, 0x3B09);
- avio_write(pb, op1a_ul, 16);
- // write essence_container_refs
- mxf_write_local_tag(pb, 8 + 16 * mxf->essence_container_count, 0x3B0A);
- mxf_write_essence_container_refs(s);
- // write dm_scheme_refs
- mxf_write_local_tag(pb, 8, 0x3B0B);
- avio_wb64(pb, 0);
- }
- /*
- * Write a local tag containing an ascii string as utf-16
- */
- static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
- {
- int i, size = strlen(value);
- mxf_write_local_tag(pb, size*2, tag);
- for (i = 0; i < size; i++)
- avio_wb16(pb, value[i]);
- }
- static void mxf_write_identification(AVFormatContext *s)
- {
- MXFContext *mxf = s->priv_data;
- AVIOContext *pb = s->pb;
- const char *company = "FFmpeg";
- const char *product = "OP1a Muxer";
- const char *version;
- int length;
- mxf_write_metadata_key(pb, 0x013000);
- PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
- version = s->streams[0]->codec->flags & CODEC_FLAG_BITEXACT ?
- "0.0.0" : AV_STRINGIFY(LIBAVFORMAT_VERSION);
- length = 84 + (strlen(company)+strlen(product)+strlen(version))*2; // utf-16
- klv_encode_ber_length(pb, length);
- // write uid
- mxf_write_local_tag(pb, 16, 0x3C0A);
- mxf_write_uuid(pb, Identification, 0);
- PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
- // write generation uid
- mxf_write_local_tag(pb, 16, 0x3C09);
- mxf_write_uuid(pb, Identification, 1);
- mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
- mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
- mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
- // write product uid
- mxf_write_local_tag(pb, 16, 0x3C05);
- mxf_write_uuid(pb, Identification, 2);
- // modification date
- mxf_write_local_tag(pb, 8, 0x3C06);
- avio_wb64(pb, mxf->timestamp);
- }
- static void mxf_write_content_storage(AVFormatContext *s)
- {
- AVIOContext *pb = s->pb;
- mxf_write_metadata_key(pb, 0x011800);
- PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
- klv_encode_ber_length(pb, 92);
- // write uid
- mxf_write_local_tag(pb, 16, 0x3C0A);
- mxf_write_uuid(pb, ContentStorage, 0);
- PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
- // write package reference
- mxf_write_local_tag(pb, 16 * 2 + 8, 0x1901);
- mxf_write_refs_count(pb, 2);
- mxf_write_uuid(pb, MaterialPackage, 0);
- mxf_write_uuid(pb, SourcePackage, 0);
- // write essence container data
- mxf_write_local_tag(pb, 8 + 16, 0x1902);
- mxf_write_refs_count(pb, 1);
- mxf_write_uuid(pb, EssenceContainerData, 0);
- }
- static void mxf_write_track(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
- {
- MXFContext *mxf = s->priv_data;
- AVIOContext *pb = s->pb;
- MXFStreamContext *sc = st->priv_data;
- mxf_write_metadata_key(pb, 0x013b00);
- PRINT_KEY(s, "track key", pb->buf_ptr - 16);
- klv_encode_ber_length(pb, 80);
- // write track uid
- mxf_write_local_tag(pb, 16, 0x3C0A);
- mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, st->index);
- PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
- // write track id
- mxf_write_local_tag(pb, 4, 0x4801);
- avio_wb32(pb, st->index+2);
- // write track number
- mxf_write_local_tag(pb, 4, 0x4804);
- if (type == MaterialPackage)
- avio_wb32(pb, 0); // track number of material package is 0
- else
- avio_write(pb, sc->track_essence_element_key + 12, 4);
- mxf_write_local_tag(pb, 8, 0x4B01);
- avio_wb32(pb, mxf->time_base.den);
- avio_wb32(pb, mxf->time_base.num);
- // write origin
- mxf_write_local_tag(pb, 8, 0x4B02);
- avio_wb64(pb, 0);
- // write sequence refs
- mxf_write_local_tag(pb, 16, 0x4803);
- mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index);
- }
- 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 };
- static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
- {
- MXFContext *mxf = s->priv_data;
- AVIOContext *pb = s->pb;
- // find data define uls
- mxf_write_local_tag(pb, 16, 0x0201);
- if (st == mxf->timecode_track)
- avio_write(pb, smpte_12m_timecode_track_data_ul, 16);
- else {
- const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codec->codec_type);
- avio_write(pb, data_def_ul->uid, 16);
- }
- // write duration
- mxf_write_local_tag(pb, 8, 0x0202);
- avio_wb64(pb, mxf->duration);
- }
- static void mxf_write_sequence(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
- {
- MXFContext *mxf = s->priv_data;
- AVIOContext *pb = s->pb;
- enum MXFMetadataSetType component;
- mxf_write_metadata_key(pb, 0x010f00);
- PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
- klv_encode_ber_length(pb, 80);
- mxf_write_local_tag(pb, 16, 0x3C0A);
- mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index);
- PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
- mxf_write_common_fields(s, st);
- // write structural component
- mxf_write_local_tag(pb, 16 + 8, 0x1001);
- mxf_write_refs_count(pb, 1);
- if (st == mxf->timecode_track)
- component = TimecodeComponent;
- else
- component = SourceClip;
- if (type == SourcePackage)
- component += TypeBottom;
- mxf_write_uuid(pb, component, st->index);
- }
- static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
- {
- MXFContext *mxf = s->priv_data;
- AVIOContext *pb = s->pb;
- mxf_write_metadata_key(pb, 0x011400);
- klv_encode_ber_length(pb, 75);
- // UID
- mxf_write_local_tag(pb, 16, 0x3C0A);
- mxf_write_uuid(pb, type == MaterialPackage ? TimecodeComponent :
- TimecodeComponent + TypeBottom, st->index);
- mxf_write_common_fields(s, st);
- // Start Time Code
- mxf_write_local_tag(pb, 8, 0x1501);
- avio_wb64(pb, mxf->tc.start);
- // Rounded Time Code Base
- mxf_write_local_tag(pb, 2, 0x1502);
- avio_wb16(pb, mxf->timecode_base);
- // Drop Frame
- mxf_write_local_tag(pb, 1, 0x1503);
- avio_w8(pb, mxf->tc.drop);
- }
- static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
- {
- AVIOContext *pb = s->pb;
- int i;
- mxf_write_metadata_key(pb, 0x011100);
- PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
- klv_encode_ber_length(pb, 108);
- // write uid
- mxf_write_local_tag(pb, 16, 0x3C0A);
- mxf_write_uuid(pb, type == MaterialPackage ? SourceClip: SourceClip + TypeBottom, st->index);
- PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
- mxf_write_common_fields(s, st);
- // write start_position
- mxf_write_local_tag(pb, 8, 0x1201);
- avio_wb64(pb, 0);
- // write source package uid, end of the reference
- mxf_write_local_tag(pb, 32, 0x1101);
- if (type == SourcePackage) {
- for (i = 0; i < 4; i++)
- avio_wb64(pb, 0);
- } else
- mxf_write_umid(s, 1);
- // write source track id
- mxf_write_local_tag(pb, 4, 0x1102);
- if (type == SourcePackage)
- avio_wb32(pb, 0);
- else
- avio_wb32(pb, st->index+2);
- }
- static void mxf_write_multi_descriptor(AVFormatContext *s)
- {
- MXFContext *mxf = s->priv_data;
- AVIOContext *pb = s->pb;
- const uint8_t *ul;
- int i;
- mxf_write_metadata_key(pb, 0x014400);
- PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
- klv_encode_ber_length(pb, 64 + 16 * s->nb_streams);
- mxf_write_local_tag(pb, 16, 0x3C0A);
- mxf_write_uuid(pb, MultipleDescriptor, 0);
- PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
- // write sample rate
- mxf_write_local_tag(pb, 8, 0x3001);
- avio_wb32(pb, mxf->time_base.den);
- avio_wb32(pb, mxf->time_base.num);
- // write essence container ul
- mxf_write_local_tag(pb, 16, 0x3004);
- if (mxf->essence_container_count > 1)
- ul = multiple_desc_ul;
- else {
- MXFStreamContext *sc = s->streams[0]->priv_data;
- ul = mxf_essence_container_uls[sc->index].container_ul;
- }
- avio_write(pb, ul, 16);
- // write sub descriptor refs
- mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01);
- mxf_write_refs_count(pb, s->nb_streams);
- for (i = 0; i < s->nb_streams; i++)
- mxf_write_uuid(pb, SubDescriptor, i);
- }
- static void mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
- {
- MXFContext *mxf = s->priv_data;
- MXFStreamContext *sc = st->priv_data;
- AVIOContext *pb = s->pb;
- avio_write(pb, key, 16);
- klv_encode_ber4_length(pb, size+20+8+12+20);
- mxf_write_local_tag(pb, 16, 0x3C0A);
- mxf_write_uuid(pb, SubDescriptor, st->index);
- mxf_write_local_tag(pb, 4, 0x3006);
- avio_wb32(pb, st->index+2);
- mxf_write_local_tag(pb, 8, 0x3001);
- avio_wb32(pb, mxf->time_base.den);
- avio_wb32(pb, mxf->time_base.num);
- mxf_write_local_tag(pb, 16, 0x3004);
- avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
- }
- static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
- static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
- static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
- static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
- static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
- static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
- {
- MXFStreamContext *sc = st->priv_data;
- AVIOContext *pb = s->pb;
- int stored_height = (st->codec->height+15)/16*16;
- int display_height;
- int f1, f2;
- mxf_write_generic_desc(s, st, key, size+8+8+8+8+8+8+5+16+sc->interlaced*4+12+20);
- mxf_write_local_tag(pb, 4, 0x3203);
- avio_wb32(pb, st->codec->width);
- mxf_write_local_tag(pb, 4, 0x3202);
- avio_wb32(pb, stored_height>>sc->interlaced);
- mxf_write_local_tag(pb, 4, 0x3209);
- avio_wb32(pb, st->codec->width);
- if (st->codec->height == 608) // PAL + VBI
- display_height = 576;
- else if (st->codec->height == 512) // NTSC + VBI
- display_height = 486;
- else
- display_height = st->codec->height;
- mxf_write_local_tag(pb, 4, 0x3208);
- avio_wb32(pb, display_height>>sc->interlaced);
- // component depth
- mxf_write_local_tag(pb, 4, 0x3301);
- avio_wb32(pb, 8);
- // horizontal subsampling
- mxf_write_local_tag(pb, 4, 0x3302);
- avio_wb32(pb, 2);
- // frame layout
- mxf_write_local_tag(pb, 1, 0x320C);
- avio_w8(pb, sc->interlaced);
- // video line map
- switch (st->codec->height) {
- case 576: f1 = 23; f2 = 336; break;
- case 608: f1 = 7; f2 = 320; break;
- case 480: f1 = 20; f2 = 283; break;
- case 512: f1 = 7; f2 = 270; break;
- case 720: f1 = 26; f2 = 0; break; // progressive
- case 1080: f1 = 21; f2 = 584; break;
- default: f1 = 0; f2 = 0; break;
- }
- if (!sc->interlaced) {
- f2 = 0;
- f1 *= 2;
- }
- mxf_write_local_tag(pb, 12+sc->interlaced*4, 0x320D);
- avio_wb32(pb, sc->interlaced ? 2 : 1);
- avio_wb32(pb, 4);
- avio_wb32(pb, f1);
- if (sc->interlaced)
- avio_wb32(pb, f2);
- mxf_write_local_tag(pb, 8, 0x320E);
- avio_wb32(pb, sc->aspect_ratio.num);
- avio_wb32(pb, sc->aspect_ratio.den);
- mxf_write_local_tag(pb, 16, 0x3201);
- avio_write(pb, *sc->codec_ul, 16);
- }
- static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
- {
- mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key, 0);
- }
- static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
- {
- AVIOContext *pb = s->pb;
- int profile_and_level = (st->codec->profile<<4) | st->codec->level;
- mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 8+5);
- // bit rate
- mxf_write_local_tag(pb, 4, 0x8000);
- avio_wb32(pb, st->codec->bit_rate);
- // profile and level
- mxf_write_local_tag(pb, 1, 0x8007);
- if (!st->codec->profile)
- profile_and_level |= 0x80; // escape bit
- avio_w8(pb, profile_and_level);
- }
- static void mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
- {
- AVIOContext *pb = s->pb;
- mxf_write_generic_desc(s, st, key, size+5+12+8+8);
- // audio locked
- mxf_write_local_tag(pb, 1, 0x3D02);
- avio_w8(pb, 1);
- // write audio sampling rate
- mxf_write_local_tag(pb, 8, 0x3D03);
- avio_wb32(pb, st->codec->sample_rate);
- avio_wb32(pb, 1);
- mxf_write_local_tag(pb, 4, 0x3D07);
- avio_wb32(pb, st->codec->channels);
- mxf_write_local_tag(pb, 4, 0x3D01);
- avio_wb32(pb, av_get_bits_per_sample(st->codec->codec_id));
- }
- static void mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
- {
- AVIOContext *pb = s->pb;
- mxf_write_generic_sound_common(s, st, key, size+6+8);
- mxf_write_local_tag(pb, 2, 0x3D0A);
- avio_wb16(pb, st->codec->block_align);
- // avg bytes per sec
- mxf_write_local_tag(pb, 4, 0x3D09);
- avio_wb32(pb, st->codec->block_align*st->codec->sample_rate);
- }
- static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
- {
- mxf_write_wav_common(s, st, mxf_wav_descriptor_key, 0);
- }
- static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
- {
- mxf_write_wav_common(s, st, mxf_aes3_descriptor_key, 0);
- }
- static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
- {
- mxf_write_generic_sound_common(s, st, mxf_generic_sound_descriptor_key, 0);
- }
- static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type)
- {
- MXFContext *mxf = s->priv_data;
- AVIOContext *pb = s->pb;
- int i, track_count = s->nb_streams+1;
- if (type == MaterialPackage) {
- mxf_write_metadata_key(pb, 0x013600);
- PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
- klv_encode_ber_length(pb, 92 + 16*track_count);
- } else {
- mxf_write_metadata_key(pb, 0x013700);
- PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
- klv_encode_ber_length(pb, 112 + 16*track_count); // 20 bytes length for descriptor reference
- }
- // write uid
- mxf_write_local_tag(pb, 16, 0x3C0A);
- mxf_write_uuid(pb, type, 0);
- av_log(s,AV_LOG_DEBUG, "package type:%d\n", type);
- PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
- // write package umid
- mxf_write_local_tag(pb, 32, 0x4401);
- mxf_write_umid(s, type == SourcePackage);
- PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
- // package creation date
- mxf_write_local_tag(pb, 8, 0x4405);
- avio_wb64(pb, mxf->timestamp);
- // package modified date
- mxf_write_local_tag(pb, 8, 0x4404);
- avio_wb64(pb, mxf->timestamp);
- // write track refs
- mxf_write_local_tag(pb, track_count*16 + 8, 0x4403);
- mxf_write_refs_count(pb, track_count);
- mxf_write_uuid(pb, type == MaterialPackage ? Track :
- Track + TypeBottom, -1); // timecode track
- for (i = 0; i < s->nb_streams; i++)
- mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, i);
- // write multiple descriptor reference
- if (type == SourcePackage) {
- mxf_write_local_tag(pb, 16, 0x4701);
- if (s->nb_streams > 1) {
- mxf_write_uuid(pb, MultipleDescriptor, 0);
- mxf_write_multi_descriptor(s);
- } else
- mxf_write_uuid(pb, SubDescriptor, 0);
- }
- // write timecode track
- mxf_write_track(s, mxf->timecode_track, type);
- mxf_write_sequence(s, mxf->timecode_track, type);
- mxf_write_timecode_component(s, mxf->timecode_track, type);
- for (i = 0; i < s->nb_streams; i++) {
- AVStream *st = s->streams[i];
- mxf_write_track(s, st, type);
- mxf_write_sequence(s, st, type);
- mxf_write_structural_component(s, st, type);
- if (type == SourcePackage) {
- MXFStreamContext *sc = st->priv_data;
- mxf_essence_container_uls[sc->index].write_desc(s, st);
- }
- }
- }
- static int mxf_write_essence_container_data(AVFormatContext *s)
- {
- AVIOContext *pb = s->pb;
- mxf_write_metadata_key(pb, 0x012300);
- klv_encode_ber_length(pb, 72);
- mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID
- mxf_write_uuid(pb, EssenceContainerData, 0);
- mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID
- mxf_write_umid(s, 1);
- mxf_write_local_tag(pb, 4, 0x3F07); // BodySID
- avio_wb32(pb, 1);
- mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID
- avio_wb32(pb, 2);
- return 0;
- }
- static int mxf_write_header_metadata_sets(AVFormatContext *s)
- {
- mxf_write_preface(s);
- mxf_write_identification(s);
- mxf_write_content_storage(s);
- mxf_write_package(s, MaterialPackage);
- mxf_write_package(s, SourcePackage);
- mxf_write_essence_container_data(s);
- return 0;
- }
- static unsigned klv_fill_size(uint64_t size)
- {
- unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
- if (pad < 20) // smallest fill item possible
- return pad + KAG_SIZE;
- else
- return pad & (KAG_SIZE-1);
- }
- static void mxf_write_index_table_segment(AVFormatContext *s)
- {
- MXFContext *mxf = s->priv_data;
- AVIOContext *pb = s->pb;
- int i, j, temporal_reordering = 0;
- int key_index = mxf->last_key_index;
- av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
- if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
- return;
- avio_write(pb, index_table_segment_key, 16);
- if (mxf->edit_unit_byte_count) {
- klv_encode_ber_length(pb, 80);
- } else {
- klv_encode_ber_length(pb, 85 + 12+(s->nb_streams+1)*6 +
- 12+mxf->edit_units_count*(11+mxf->slice_count*4));
- }
- // instance id
- mxf_write_local_tag(pb, 16, 0x3C0A);
- mxf_write_uuid(pb, IndexTableSegment, 0);
- // index edit rate
- mxf_write_local_tag(pb, 8, 0x3F0B);
- avio_wb32(pb, mxf->time_base.den);
- avio_wb32(pb, mxf->time_base.num);
- // index start position
- mxf_write_local_tag(pb, 8, 0x3F0C);
- avio_wb64(pb, mxf->last_indexed_edit_unit);
- // index duration
- mxf_write_local_tag(pb, 8, 0x3F0D);
- if (mxf->edit_unit_byte_count)
- avio_wb64(pb, 0); // index table covers whole container
- else
- avio_wb64(pb, mxf->edit_units_count);
- // edit unit byte count
- mxf_write_local_tag(pb, 4, 0x3F05);
- avio_wb32(pb, mxf->edit_unit_byte_count);
- // index sid
- mxf_write_local_tag(pb, 4, 0x3F06);
- avio_wb32(pb, 2);
- // body sid
- mxf_write_local_tag(pb, 4, 0x3F07);
- avio_wb32(pb, 1);
- if (!mxf->edit_unit_byte_count) {
- // real slice count - 1
- mxf_write_local_tag(pb, 1, 0x3F08);
- avio_w8(pb, mxf->slice_count);
- // delta entry array
- mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
- avio_wb32(pb, s->nb_streams+1); // num of entries
- avio_wb32(pb, 6); // size of one entry
- // write system item delta entry
- avio_w8(pb, 0);
- avio_w8(pb, 0); // slice entry
- avio_wb32(pb, 0); // element delta
- for (i = 0; i < s->nb_streams; i++) {
- AVStream *st = s->streams[i];
- MXFStreamContext *sc = st->priv_data;
- avio_w8(pb, sc->temporal_reordering);
- if (sc->temporal_reordering)
- temporal_reordering = 1;
- if (i == 0) { // video track
- avio_w8(pb, 0); // slice number
- avio_wb32(pb, KAG_SIZE); // system item size including klv fill
- } else { // audio track
- unsigned audio_frame_size = sc->aic.samples[0]*sc->aic.sample_size;
- audio_frame_size += klv_fill_size(audio_frame_size);
- avio_w8(pb, 1);
- avio_wb32(pb, (i-1)*audio_frame_size); // element delta
- }
- }
- mxf_write_local_tag(pb, 8 + mxf->edit_units_count*(11+mxf->slice_count*4), 0x3F0A);
- avio_wb32(pb, mxf->edit_units_count); // num of entries
- avio_wb32(pb, 11+mxf->slice_count*4); // size of one entry
- for (i = 0; i < mxf->edit_units_count; i++) {
- int temporal_offset = 0;
- if (!(mxf->index_entries[i].flags & 0x33)) { // I frame
- mxf->last_key_index = key_index;
- key_index = i;
- }
- if (temporal_reordering) {
- int pic_num_in_gop = i - key_index;
- if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
- for (j = key_index; j < mxf->edit_units_count; j++) {
- if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
- break;
- }
- if (j == mxf->edit_units_count)
- av_log(s, AV_LOG_WARNING, "missing frames\n");
- temporal_offset = j - key_index - pic_num_in_gop;
- }
- }
- avio_w8(pb, temporal_offset);
- if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
- avio_w8(pb, mxf->last_key_index - i);
- } else {
- avio_w8(pb, key_index - i); // key frame offset
- if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
- mxf->last_key_index = key_index;
- }
- if (!(mxf->index_entries[i].flags & 0x33) && // I frame
- mxf->index_entries[i].flags & 0x40 && !temporal_offset)
- mxf->index_entries[i].flags |= 0x80; // random access
- avio_w8(pb, mxf->index_entries[i].flags);
- // stream offset
- avio_wb64(pb, mxf->index_entries[i].offset);
- if (s->nb_streams > 1)
- avio_wb32(pb, mxf->index_entries[i].slice_offset);
- }
- mxf->last_key_index = key_index - mxf->edit_units_count;
- mxf->last_indexed_edit_unit += mxf->edit_units_count;
- mxf->edit_units_count = 0;
- }
- }
- static void mxf_write_klv_fill(AVFormatContext *s)
- {
- unsigned pad = klv_fill_size(avio_tell(s->pb));
- if (pad) {
- avio_write(s->pb, klv_fill_key, 16);
- pad -= 16 + 4;
- klv_encode_ber4_length(s->pb, pad);
- for (; pad; pad--)
- avio_w8(s->pb, 0);
- assert(!(avio_tell(s->pb) & (KAG_SIZE-1)));
- }
- }
- static void mxf_write_partition(AVFormatContext *s, int bodysid,
- int indexsid,
- const uint8_t *key, int write_metadata)
- {
- MXFContext *mxf = s->priv_data;
- AVIOContext *pb = s->pb;
- int64_t header_byte_count_offset;
- unsigned index_byte_count = 0;
- uint64_t partition_offset = avio_tell(pb);
- if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
- index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
- 12+mxf->edit_units_count*(11+mxf->slice_count*4);
- else if (mxf->edit_unit_byte_count && indexsid)
- index_byte_count = 80;
- if (index_byte_count) {
- // add encoded ber length
- index_byte_count += 16 + klv_ber_length(index_byte_count);
- index_byte_count += klv_fill_size(index_byte_count);
- }
- if (!memcmp(key, body_partition_key, 16)) {
- mxf->body_partition_offset =
- av_realloc(mxf->body_partition_offset,
- (mxf->body_partitions_count+1)*
- sizeof(*mxf->body_partition_offset));
- mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
- }
- // write klv
- avio_write(pb, key, 16);
- klv_encode_ber_length(pb, 88 + 16 * mxf->essence_container_count);
- // write partition value
- avio_wb16(pb, 1); // majorVersion
- avio_wb16(pb, 2); // minorVersion
- avio_wb32(pb, KAG_SIZE); // KAGSize
- avio_wb64(pb, partition_offset); // ThisPartition
- if (!memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
- avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
- else if (!memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
- avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
- else
- avio_wb64(pb, 0);
- avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
- // set offset
- header_byte_count_offset = avio_tell(pb);
- avio_wb64(pb, 0); // headerByteCount, update later
- // indexTable
- avio_wb64(pb, index_byte_count); // indexByteCount
- avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
- // BodyOffset
- if (bodysid && mxf->edit_units_count && mxf->body_partitions_count) {
- avio_wb64(pb, mxf->body_offset);
- } else
- avio_wb64(pb, 0);
- avio_wb32(pb, bodysid); // bodySID
- // operational pattern
- avio_write(pb, op1a_ul, 16);
- // essence container
- mxf_write_essence_container_refs(s);
- if (write_metadata) {
- // mark the start of the headermetadata and calculate metadata size
- int64_t pos, start;
- unsigned header_byte_count;
- mxf_write_klv_fill(s);
- start = avio_tell(s->pb);
- mxf_write_primer_pack(s);
- mxf_write_header_metadata_sets(s);
- pos = avio_tell(s->pb);
- header_byte_count = pos - start + klv_fill_size(pos);
- // update header_byte_count
- avio_seek(pb, header_byte_count_offset, SEEK_SET);
- avio_wb64(pb, header_byte_count);
- avio_seek(pb, pos, SEEK_SET);
- }
- avio_flush(pb);
- }
- static const UID mxf_mpeg2_codec_uls[] = {
- { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
- { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
- { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
- { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
- { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
- { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
- { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
- { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
- { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
- { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
- };
- static const UID *mxf_get_mpeg2_codec_ul(AVCodecContext *avctx)
- {
- int long_gop = avctx->gop_size > 1 || avctx->has_b_frames;
- if (avctx->profile == 4) { // Main
- if (avctx->level == 8) // Main
- return &mxf_mpeg2_codec_uls[0+long_gop];
- else if (avctx->level == 4) // High
- return &mxf_mpeg2_codec_uls[4+long_gop];
- else if (avctx->level == 6) // High 14
- return &mxf_mpeg2_codec_uls[8+long_gop];
- } else if (avctx->profile == 0) { // 422
- if (avctx->level == 5) // Main
- return &mxf_mpeg2_codec_uls[2+long_gop];
- else if (avctx->level == 2) // High
- return &mxf_mpeg2_codec_uls[6+long_gop];
- }
- return NULL;
- }
- static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st,
- AVPacket *pkt, MXFIndexEntry *e)
- {
- MXFStreamContext *sc = st->priv_data;
- uint32_t c = -1;
- int i;
- for(i = 0; i < pkt->size - 4; i++) {
- c = (c<<8) + pkt->data[i];
- if (c == 0x1b5) {
- if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
- st->codec->profile = pkt->data[i+1] & 0x07;
- st->codec->level = pkt->data[i+2] >> 4;
- } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
- sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
- break;
- }
- } else if (c == 0x1b8) { // gop
- if (pkt->data[i+4]>>6 & 0x01) { // closed
- sc->closed_gop = 1;
- if (e->flags & 0x40) // sequence header present
- e->flags |= 0x80; // random access
- }
- } else if (c == 0x1b3) { // seq
- e->flags |= 0x40;
- switch ((pkt->data[i+4]>>4) & 0xf) {
- case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
- case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
- case 4: sc->aspect_ratio = (AVRational){221,100}; break;
- default:
- av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
- st->codec->width, st->codec->height, 1024*1024);
- }
- } else if (c == 0x100) { // pic
- int pict_type = (pkt->data[i+2]>>3) & 0x07;
- e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
- if (pict_type == 2) { // P frame
- e->flags |= 0x22;
- sc->closed_gop = 0; // reset closed gop, don't matter anymore
- } else if (pict_type == 3) { // B frame
- if (sc->closed_gop)
- e->flags |= 0x13; // only backward prediction
- else
- e->flags |= 0x33;
- sc->temporal_reordering = -1;
- } else if (!pict_type) {
- av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
- return 0;
- }
- }
- }
- if (s->oformat != &ff_mxf_d10_muxer)
- sc->codec_ul = mxf_get_mpeg2_codec_ul(st->codec);
- return !!sc->codec_ul;
- }
- static uint64_t mxf_parse_timestamp(time_t timestamp)
- {
- struct tm *time = gmtime(×tamp);
- if (!time)
- return 0;
- return (uint64_t)(time->tm_year+1900) << 48 |
- (uint64_t)(time->tm_mon+1) << 40 |
- (uint64_t) time->tm_mday << 32 |
- time->tm_hour << 24 |
- time->tm_min << 16 |
- time->tm_sec << 8;
- }
- static void mxf_gen_umid(AVFormatContext *s)
- {
- MXFContext *mxf = s->priv_data;
- uint32_t seed = av_get_random_seed();
- uint64_t umid = seed + 0x5294713400000000LL;
- AV_WB64(mxf->umid , umid);
- AV_WB64(mxf->umid+8, umid>>8);
- mxf->instance_number = seed;
- }
- static int mxf_write_header(AVFormatContext *s)
- {
- MXFContext *mxf = s->priv_data;
- int i;
- uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
- const int *samples_per_frame = NULL;
- AVDictionaryEntry *t;
- int64_t timestamp = 0;
- if (!s->nb_streams)
- return -1;
- for (i = 0; i < s->nb_streams; i++) {
- AVStream *st = s->streams[i];
- MXFStreamContext *sc = av_mallocz(sizeof(*sc));
- if (!sc)
- return AVERROR(ENOMEM);
- st->priv_data = sc;
- if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
- if (i != 0) {
- av_log(s, AV_LOG_ERROR, "video stream must be first track\n");
- return -1;
- }
- if (fabs(av_q2d(st->codec->time_base) - 1/25.0) < 0.0001) {
- samples_per_frame = PAL_samples_per_frame;
- mxf->time_base = (AVRational){ 1, 25 };
- mxf->timecode_base = 25;
- } else if (fabs(av_q2d(st->codec->time_base) - 1001/30000.0) < 0.0001) {
- samples_per_frame = NTSC_samples_per_frame;
- mxf->time_base = (AVRational){ 1001, 30000 };
- mxf->timecode_base = 30;
- } else {
- av_log(s, AV_LOG_ERROR, "unsupported video frame rate\n");
- return -1;
- }
- avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
- if (mxf->tc.str) {
- mxf->tc.rate.num = mxf->time_base.den;
- mxf->tc.rate.den = mxf->time_base.num;
- if (avpriv_init_smpte_timecode(s, &mxf->tc) < 0)
- return -1;
- }
- if (s->oformat == &ff_mxf_d10_muxer) {
- if (st->codec->bit_rate == 50000000)
- if (mxf->time_base.den == 25) sc->index = 3;
- else sc->index = 5;
- else if (st->codec->bit_rate == 40000000)
- if (mxf->time_base.den == 25) sc->index = 7;
- else sc->index = 9;
- else if (st->codec->bit_rate == 30000000)
- if (mxf->time_base.den == 25) sc->index = 11;
- else sc->index = 13;
- else {
- av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
- return -1;
- }
- mxf->edit_unit_byte_count = KAG_SIZE; // system element
- mxf->edit_unit_byte_count += 16 + 4 + (uint64_t)st->codec->bit_rate *
- mxf->time_base.num / (8*mxf->time_base.den);
- mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
- mxf->edit_unit_byte_count += 16 + 4 + 4 + samples_per_frame[0]*8*4;
- mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
- }
- } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
- if (st->codec->sample_rate != 48000) {
- av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
- return -1;
- }
- avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
- if (s->oformat == &ff_mxf_d10_muxer) {
- if (st->index != 1) {
- av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
- return -1;
- }
- if (st->codec->codec_id != CODEC_ID_PCM_S16LE &&
- st->codec->codec_id != CODEC_ID_PCM_S24LE) {
- av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
- }
- sc->index = ((MXFStreamContext*)s->streams[0]->priv_data)->index + 1;
- } else
- mxf->slice_count = 1;
- }
- if (!sc->index) {
- sc->index = mxf_get_essence_container_ul_index(st->codec->codec_id);
- if (sc->index == -1) {
- av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
- "codec not currently supported in container\n", i);
- return -1;
- }
- }
- sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
- memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
- sc->track_essence_element_key[15] = present[sc->index];
- PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
- if (!present[sc->index])
- mxf->essence_container_count++;
- present[sc->index]++;
- }
- if (s->oformat == &ff_mxf_d10_muxer) {
- mxf->essence_container_count = 1;
- }
- if (!(s->streams[0]->codec->flags & CODEC_FLAG_BITEXACT))
- mxf_gen_umid(s);
- for (i = 0; i < s->nb_streams; i++) {
- MXFStreamContext *sc = s->streams[i]->priv_data;
- // update element count
- sc->track_essence_element_key[13] = present[sc->index];
- sc->order = AV_RB32(sc->track_essence_element_key+12);
- }
- #if FF_API_TIMESTAMP
- if (s->timestamp)
- timestamp = s->timestamp;
- else
- #endif
- if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
- timestamp = ff_iso8601_to_unix_time(t->value);
- if (timestamp)
- mxf->timestamp = mxf_parse_timestamp(timestamp);
- mxf->duration = -1;
- mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
- if (!mxf->timecode_track)
- return AVERROR(ENOMEM);
- mxf->timecode_track->priv_data = av_mallocz(sizeof(MXFStreamContext));
- if (!mxf->timecode_track->priv_data)
- return AVERROR(ENOMEM);
- mxf->timecode_track->index = -1;
- if (!samples_per_frame)
- samples_per_frame = PAL_samples_per_frame;
- if (ff_audio_interleave_init(s, samples_per_frame, mxf->time_base) < 0)
- return -1;
- return 0;
- }
- static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
- 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 };
- static void mxf_write_system_item(AVFormatContext *s)
- {
- MXFContext *mxf = s->priv_data;
- AVIOContext *pb = s->pb;
- unsigned frame;
- uint32_t time_code;
- frame = mxf->tc.start + mxf->last_indexed_edit_unit + mxf->edit_units_count;
- // write system metadata pack
- avio_write(pb, system_metadata_pack_key, 16);
- klv_encode_ber4_length(pb, 57);
- avio_w8(pb, 0x5c); // UL, user date/time stamp, picture and sound item present
- avio_w8(pb, 0x04); // content package rate
- avio_w8(pb, 0x00); // content package type
- avio_wb16(pb, 0x00); // channel handle
- avio_wb16(pb, frame); // continuity count
- if (mxf->essence_container_count > 1)
- avio_write(pb, multiple_desc_ul, 16);
- else {
- MXFStreamContext *sc = s->streams[0]->priv_data;
- avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
- }
- avio_w8(pb, 0);
- avio_wb64(pb, 0);
- avio_wb64(pb, 0); // creation date/time stamp
- avio_w8(pb, 0x81); // SMPTE 12M time code
- time_code = frame;
- if (mxf->tc.drop)
- time_code = avpriv_framenum_to_drop_timecode(time_code);
- time_code = avpriv_framenum_to_smpte_timecode(time_code, mxf->timecode_base,
- mxf->tc.drop);
- avio_wb32(pb, time_code);
- avio_wb32(pb, 0); // binary group data
- avio_wb64(pb, 0);
- // write system metadata package set
- avio_write(pb, system_metadata_package_set_key, 16);
- klv_encode_ber4_length(pb, 35);
- avio_w8(pb, 0x83); // UMID
- avio_wb16(pb, 0x20);
- mxf_write_umid(s, 1);
- }
- static void mxf_write_d10_video_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
- {
- MXFContext *mxf = s->priv_data;
- AVIOContext *pb = s->pb;
- int packet_size = (uint64_t)st->codec->bit_rate*mxf->time_base.num /
- (8*mxf->time_base.den); // frame size
- int pad;
- packet_size += 16 + 4;
- packet_size += klv_fill_size(packet_size);
- klv_encode_ber4_length(pb, pkt->size);
- avio_write(pb, pkt->data, pkt->size);
- // ensure CBR muxing by padding to correct video frame size
- pad = packet_size - pkt->size - 16 - 4;
- if (pad > 20) {
- avio_write(s->pb, klv_fill_key, 16);
- pad -= 16 + 4;
- klv_encode_ber4_length(s->pb, pad);
- for (; pad; pad--)
- avio_w8(s->pb, 0);
- assert(!(avio_tell(s->pb) & (KAG_SIZE-1)));
- } else {
- av_log(s, AV_LOG_WARNING, "cannot fill d-10 video packet\n");
- for (; pad > 0; pad--)
- avio_w8(s->pb, 0);
- }
- }
- static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
- {
- MXFContext *mxf = s->priv_data;
- AVIOContext *pb = s->pb;
- int frame_size = pkt->size / st->codec->block_align;
- uint8_t *samples = pkt->data;
- uint8_t *end = pkt->data + pkt->size;
- int i;
- klv_encode_ber4_length(pb, 4 + frame_size*4*8);
- avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
- avio_wl16(pb, frame_size);
- avio_w8(pb, (1<<st->codec->channels)-1);
- while (samples < end) {
- for (i = 0; i < st->codec->channels; i++) {
- uint32_t sample;
- if (st->codec->codec_id == CODEC_ID_PCM_S24LE) {
- sample = AV_RL24(samples)<< 4;
- samples += 3;
- } else {
- sample = AV_RL16(samples)<<12;
- samples += 2;
- }
- avio_wl32(pb, sample | i);
- }
- for (; i < 8; i++)
- avio_wl32(pb, i);
- }
- }
- static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
- {
- MXFContext *mxf = s->priv_data;
- AVIOContext *pb = s->pb;
- AVStream *st = s->streams[pkt->stream_index];
- MXFStreamContext *sc = st->priv_data;
- MXFIndexEntry ie = {0};
- if (!mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) {
- mxf->index_entries = av_realloc(mxf->index_entries,
- (mxf->edit_units_count + EDIT_UNITS_PER_BODY)*sizeof(*mxf->index_entries));
- if (!mxf->index_entries) {
- av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
- return -1;
- }
- }
- if (st->codec->codec_id == CODEC_ID_MPEG2VIDEO) {
- if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
- av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
- return -1;
- }
- }
- if (!mxf->header_written) {
- if (mxf->edit_unit_byte_count) {
- mxf_write_partition(s, 1, 2, header_open_partition_key, 1);
- mxf_write_klv_fill(s);
- mxf_write_index_table_segment(s);
- } else {
- mxf_write_partition(s, 0, 0, header_open_partition_key, 1);
- }
- mxf->header_written = 1;
- }
- if (st->index == 0) {
- if (!mxf->edit_unit_byte_count &&
- (!mxf->edit_units_count || mxf->edit_units_count > EDIT_UNITS_PER_BODY) &&
- !(ie.flags & 0x33)) { // I frame, Gop start
- mxf_write_klv_fill(s);
- mxf_write_partition(s, 1, 2, body_partition_key, 0);
- mxf_write_klv_fill(s);
- mxf_write_index_table_segment(s);
- }
- mxf_write_klv_fill(s);
- mxf_write_system_item(s);
- if (!mxf->edit_unit_byte_count) {
- mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
- mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
- mxf->index_entries[mxf->edit_units_count].temporal_ref = ie.temporal_ref;
- mxf->body_offset += KAG_SIZE; // size of system element
- }
- mxf->edit_units_count++;
- } else if (!mxf->edit_unit_byte_count && st->index == 1) {
- mxf->index_entries[mxf->edit_units_count-1].slice_offset =
- mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
- }
- mxf_write_klv_fill(s);
- avio_write(pb, sc->track_essence_element_key, 16); // write key
- if (s->oformat == &ff_mxf_d10_muxer) {
- if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
- mxf_write_d10_video_packet(s, st, pkt);
- else
- mxf_write_d10_audio_packet(s, st, pkt);
- } else {
- klv_encode_ber4_length(pb, pkt->size); // write length
- avio_write(pb, pkt->data, pkt->size);
- mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
- }
- avio_flush(pb);
- return 0;
- }
- static void mxf_write_random_index_pack(AVFormatContext *s)
- {
- MXFContext *mxf = s->priv_data;
- AVIOContext *pb = s->pb;
- uint64_t pos = avio_tell(pb);
- int i;
- avio_write(pb, random_index_pack_key, 16);
- klv_encode_ber_length(pb, 28 + 12*mxf->body_partitions_count);
- if (mxf->edit_unit_byte_count)
- avio_wb32(pb, 1); // BodySID of header partition
- else
- avio_wb32(pb, 0);
- avio_wb64(pb, 0); // offset of header partition
- for (i = 0; i < mxf->body_partitions_count; i++) {
- avio_wb32(pb, 1); // BodySID
- avio_wb64(pb, mxf->body_partition_offset[i]);
- }
- avio_wb32(pb, 0); // BodySID of footer partition
- avio_wb64(pb, mxf->footer_partition_offset);
- avio_wb32(pb, avio_tell(pb) - pos + 4);
- }
- static int mxf_write_footer(AVFormatContext *s)
- {
- MXFContext *mxf = s->priv_data;
- AVIOContext *pb = s->pb;
- mxf->duration = mxf->last_indexed_edit_unit + mxf->edit_units_count;
- mxf_write_klv_fill(s);
- mxf->footer_partition_offset = avio_tell(pb);
- if (mxf->edit_unit_byte_count) { // no need to repeat index
- mxf_write_partition(s, 0, 0, footer_partition_key, 0);
- } else {
- mxf_write_partition(s, 0, 2, footer_partition_key, 0);
- mxf_write_klv_fill(s);
- mxf_write_index_table_segment(s);
- }
- mxf_write_klv_fill(s);
- mxf_write_random_index_pack(s);
- if (s->pb->seekable) {
- avio_seek(pb, 0, SEEK_SET);
- if (mxf->edit_unit_byte_count) {
- mxf_write_partition(s, 1, 2, header_closed_partition_key, 1);
- mxf_write_klv_fill(s);
- mxf_write_index_table_segment(s);
- } else {
- mxf_write_partition(s, 0, 0, header_closed_partition_key, 1);
- }
- }
- avio_flush(pb);
- ff_audio_interleave_close(s);
- av_freep(&mxf->index_entries);
- av_freep(&mxf->body_partition_offset);
- av_freep(&mxf->timecode_track->priv_data);
- av_freep(&mxf->timecode_track);
- mxf_free(s);
- return 0;
- }
- static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
- {
- int i, stream_count = 0;
- for (i = 0; i < s->nb_streams; i++)
- stream_count += !!s->streams[i]->last_in_packet_buffer;
- if (stream_count && (s->nb_streams == stream_count || flush)) {
- AVPacketList *pktl = s->packet_buffer;
- if (s->nb_streams != stream_count) {
- AVPacketList *last = NULL;
- // find last packet in edit unit
- while (pktl) {
- if (!stream_count || pktl->pkt.stream_index == 0)
- break;
- last = pktl;
- pktl = pktl->next;
- stream_count--;
- }
- // purge packet queue
- while (pktl) {
- AVPacketList *next = pktl->next;
- if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
- s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
- av_free_packet(&pktl->pkt);
- av_freep(&pktl);
- pktl = next;
- }
- if (last)
- last->next = NULL;
- else {
- s->packet_buffer = NULL;
- s->packet_buffer_end= NULL;
- goto out;
- }
- pktl = s->packet_buffer;
- }
- *out = pktl->pkt;
- //av_log(s, AV_LOG_DEBUG, "out st:%d dts:%lld\n", (*out).stream_index, (*out).dts);
- s->packet_buffer = pktl->next;
- if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
- s->streams[pktl->pkt.stream_index]->last_in_packet_buffer= NULL;
- if(!s->packet_buffer)
- s->packet_buffer_end= NULL;
- av_freep(&pktl);
- return 1;
- } else {
- out:
- av_init_packet(out);
- return 0;
- }
- }
- static int mxf_compare_timestamps(AVFormatContext *s, AVPacket *next, AVPacket *pkt)
- {
- MXFStreamContext *sc = s->streams[pkt ->stream_index]->priv_data;
- MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
- return next->dts > pkt->dts ||
- (next->dts == pkt->dts && sc->order < sc2->order);
- }
- static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
- {
- return ff_audio_rechunk_interleave(s, out, pkt, flush,
- mxf_interleave_get_packet, mxf_compare_timestamps);
- }
- static const AVClass mxf_class = {
- .class_name = "mxf",
- .item_name = av_default_item_name,
- .version = LIBAVUTIL_VERSION_INT,
- .option = (const AVOption[]){
- {TIMECODE_OPT(MXFContext, AV_OPT_FLAG_ENCODING_PARAM)},
- {NULL}
- },
- };
- static const AVClass mxf_d10_class = {
- .class_name = "mxf_d10",
- .item_name = av_default_item_name,
- .version = LIBAVUTIL_VERSION_INT,
- .option = (const AVOption[]){
- {TIMECODE_OPT(MXFContext, AV_OPT_FLAG_ENCODING_PARAM)},
- {NULL}
- },
- };
- AVOutputFormat ff_mxf_muxer = {
- .name = "mxf",
- .long_name = NULL_IF_CONFIG_SMALL("Material eXchange Format"),
- .mime_type = "application/mxf",
- .extensions = "mxf",
- .priv_data_size = sizeof(MXFContext),
- .audio_codec = CODEC_ID_PCM_S16LE,
- .video_codec = CODEC_ID_MPEG2VIDEO,
- .write_header = mxf_write_header,
- .write_packet = mxf_write_packet,
- .write_trailer = mxf_write_footer,
- .flags = AVFMT_NOTIMESTAMPS,
- .interleave_packet = mxf_interleave,
- .priv_class = &mxf_class,
- };
- AVOutputFormat ff_mxf_d10_muxer = {
- .name = "mxf_d10",
- .long_name = NULL_IF_CONFIG_SMALL("Material eXchange Format, D-10 Mapping"),
- .mime_type = "application/mxf",
- .priv_data_size = sizeof(MXFContext),
- .audio_codec = CODEC_ID_PCM_S16LE,
- .video_codec = CODEC_ID_MPEG2VIDEO,
- .write_header = mxf_write_header,
- .write_packet = mxf_write_packet,
- .write_trailer = mxf_write_footer,
- .flags = AVFMT_NOTIMESTAMPS,
- .interleave_packet = mxf_interleave,
- .priv_class = &mxf_d10_class,
- };
|