X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fmxfenc.c;h=766327ded34eb13c3934acf4e57bfebcc09e3de0;hb=855e7732c6bcc7d52cd0863407a721c2bf00fcf1;hp=2d26494049cac6d4f6dad9ffdfe151ac660dd5f9;hpb=4966b98a57f51b5d4fd9ffbf3e51f725ee1afa24;p=ffmpeg diff --git a/libavformat/mxfenc.c b/libavformat/mxfenc.c index 2d26494049c..766327ded34 100644 --- a/libavformat/mxfenc.c +++ b/libavformat/mxfenc.c @@ -32,95 +32,187 @@ //#define DEBUG -#include "libavutil/fifo.h" +#include +#include + +#include "libavutil/random_seed.h" +#include "libavcodec/bytestream.h" +#include "audiointerleave.h" +#include "avformat.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 }; -typedef struct { - AVFifoBuffer fifo; - unsigned fifo_size; ///< current fifo size allocated - uint64_t dts; ///< current dts - int sample_size; ///< size of one sample all channels included - const int *samples_per_frame; ///< must be 0 terminated - const int *samples; ///< current samples per frame, pointer to samples_per_frame -} AudioInterleaveContext; +AVOutputFormat 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 +} MXFIndexEntry; + typedef struct { AudioInterleaveContext aic; UID track_essence_element_key; - int index; ///< index in mxf_essence_container_uls table + int index; ///< index in mxf_essence_container_uls table const UID *codec_ul; - int64_t duration; - int order; ///< interleaving order if dts are equal - int interlaced; ///< wether picture is interlaced + int order; ///< interleaving order if dts are equal + int interlaced; ///< wether 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; - enum CodecID id; void (*write_desc)(); } 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 }, - CODEC_ID_MPEG2VIDEO, mxf_write_mpegvideo_desc }, + 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 }, - CODEC_ID_PCM_S16LE, mxf_write_aes3_desc }, + 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 }, - CODEC_ID_PCM_S16LE, mxf_write_wav_desc }, + 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 }, - CODEC_ID_NONE, NULL }, + NULL }, }; typedef struct MXFContext { int64_t footer_partition_offset; int essence_container_count; - uint8_t essence_containers_indices[FF_ARRAY_ELEMS(mxf_essence_container_uls)]; 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; + AVStream *timecode_track; + int timecode_base; ///< rounded time code base (25 or 30) + int timecode_start; ///< frame number computed from mpeg-2 gop header timecode + int timecode_drop_frame; ///< time code use drop frame method frop mpeg-2 essence gop header + 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_base[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13,0x00,0x00,0x00 }; +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,0x01,0x02,0x01,0x01,0x01,0x01,0x00 }; -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 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 }; +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 @@ -165,9 +257,13 @@ static const MXFLocalTagPair mxf_local_tag_batch[] = { { 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,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */ + { 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 */ @@ -175,21 +271,37 @@ static const MXFLocalTagPair mxf_local_tag_batch[] = { { 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,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */ + { 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,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */ + { 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(ByteIOContext *pb, enum MXFMetadataSetType type, int value) @@ -199,10 +311,13 @@ static void mxf_write_uuid(ByteIOContext *pb, enum MXFMetadataSetType type, int put_be16(pb, value); } -static void mxf_write_umid(ByteIOContext *pb, enum MXFMetadataSetType type, int value) +static void mxf_write_umid(AVFormatContext *s, int type) { - put_buffer(pb, umid_base, 16); - mxf_write_uuid(pb, type, value); + MXFContext *mxf = s->priv_data; + put_buffer(s->pb, umid_ul, 13); + put_be24(s->pb, mxf->instance_number); + put_buffer(s->pb, mxf->umid, 15); + put_byte(s->pb, type); } static void mxf_write_refs_count(ByteIOContext *pb, int ref_count) @@ -211,6 +326,14 @@ static void mxf_write_refs_count(ByteIOContext *pb, int ref_count) put_be32(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(ByteIOContext *pb, uint64_t len) { // Determine the best BER size @@ -226,21 +349,27 @@ static int klv_encode_ber_length(ByteIOContext *pb, uint64_t len) // long form put_byte(pb, 0x80 + size); while(size) { - size --; + size--; put_byte(pb, len >> 8 * size & 0xff); } return 0; } +static void klv_encode_ber4_length(ByteIOContext *pb, int len) +{ + put_byte(pb, 0x80 + 3); + put_be24(pb, len); +} + /* * Get essence container ul index */ static int mxf_get_essence_container_ul_index(enum CodecID id) { int i; - for (i = 0; i < FF_ARRAY_ELEMS(mxf_essence_container_uls); i++) - if (mxf_essence_container_uls[i].id == id) - return 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; } @@ -285,11 +414,11 @@ static void mxf_free(AVFormatContext *s) } } -static const MXFDataDefinitionUL *mxf_get_data_definition_ul(enum CodecType type) +static const MXFCodecUL *mxf_get_data_definition_ul(int type) { - const MXFDataDefinitionUL *uls = ff_mxf_data_definition_uls; - while (uls->type != CODEC_TYPE_DATA) { - if (type == uls->type) + const MXFCodecUL *uls = ff_mxf_data_definition_uls; + while (uls->uid[0]) { + if (type == uls->id) break; uls++; } @@ -305,8 +434,8 @@ static void mxf_write_essence_container_refs(AVFormatContext *s) 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++) { - put_buffer(pb, mxf_essence_container_uls[c->essence_containers_indices[i]].container_ul, 16); - PRINT_KEY(s, "essence container ul:\n", mxf_essence_container_uls[c->essence_containers_indices[i]].container_ul); + MXFStreamContext *sc = s->streams[i]->priv_data; + put_buffer(pb, mxf_essence_container_uls[sc->index].container_ul, 16); } } @@ -324,13 +453,13 @@ static void mxf_write_preface(AVFormatContext *s) mxf_write_uuid(pb, Preface, 0); PRINT_KEY(s, "preface uid", pb->buf_ptr - 16); - // write create date as unknown + // last modified date mxf_write_local_tag(pb, 8, 0x3B02); - put_be64(pb, 0); + put_be64(pb, mxf->timestamp); // write version mxf_write_local_tag(pb, 2, 0x3B05); - put_be16(pb, 1); + put_be16(pb, 258); // v1.2 // write identification_refs mxf_write_local_tag(pb, 16 + 8, 0x3B06); @@ -341,6 +470,7 @@ static void mxf_write_preface(AVFormatContext *s) mxf_write_local_tag(pb, 16, 0x3B03); mxf_write_uuid(pb, ContentStorage, 0); + // operational pattern mxf_write_local_tag(pb, 16, 0x3B09); put_buffer(pb, op1a_ul, 16); @@ -366,6 +496,7 @@ static void mxf_write_local_tag_utf16(ByteIOContext *pb, int tag, const char *va static void mxf_write_identification(AVFormatContext *s) { + MXFContext *mxf = s->priv_data; ByteIOContext *pb = s->pb; const char *company = "FFmpeg"; const char *product = "OP1a Muxer"; @@ -397,9 +528,9 @@ static void mxf_write_identification(AVFormatContext *s) mxf_write_local_tag(pb, 16, 0x3C05); mxf_write_uuid(pb, Identification, 2); - // write modified date + // modification date mxf_write_local_tag(pb, 8, 0x3C06); - put_be64(pb, 0); + put_be64(pb, mxf->timestamp); } static void mxf_write_content_storage(AVFormatContext *s) @@ -429,6 +560,7 @@ static void mxf_write_content_storage(AVFormatContext *s) static void mxf_write_track(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type) { + MXFContext *mxf = s->priv_data; ByteIOContext *pb = s->pb; MXFStreamContext *sc = st->priv_data; @@ -443,7 +575,7 @@ static void mxf_write_track(AVFormatContext *s, AVStream *st, enum MXFMetadataSe // write track id mxf_write_local_tag(pb, 4, 0x4801); - put_be32(pb, st->index); + put_be32(pb, st->index+2); // write track number mxf_write_local_tag(pb, 4, 0x4804); @@ -453,8 +585,8 @@ static void mxf_write_track(AVFormatContext *s, AVStream *st, enum MXFMetadataSe put_buffer(pb, sc->track_essence_element_key + 12, 4); mxf_write_local_tag(pb, 8, 0x4B01); - put_be32(pb, st->time_base.den); - put_be32(pb, st->time_base.num); + put_be32(pb, mxf->time_base.den); + put_be32(pb, mxf->time_base.num); // write origin mxf_write_local_tag(pb, 8, 0x4B02); @@ -465,23 +597,32 @@ static void mxf_write_track(AVFormatContext *s, AVStream *st, enum MXFMetadataSe mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index); } -static void mxf_write_common_fields(ByteIOContext *pb, AVStream *st) +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) { - const MXFDataDefinitionUL *data_def_ul = mxf_get_data_definition_ul(st->codec->codec_type); - MXFStreamContext *sc = st->priv_data; + MXFContext *mxf = s->priv_data; + ByteIOContext *pb = s->pb; // find data define uls mxf_write_local_tag(pb, 16, 0x0201); - put_buffer(pb, data_def_ul->uid, 16); + if (st == mxf->timecode_track) + put_buffer(pb, smpte_12m_timecode_track_data_ul, 16); + else { + const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codec->codec_type); + put_buffer(pb, data_def_ul->uid, 16); + } // write duration mxf_write_local_tag(pb, 8, 0x0202); - put_be64(pb, sc->duration); + put_be64(pb, mxf->duration); } static void mxf_write_sequence(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type) { + MXFContext *mxf = s->priv_data; ByteIOContext *pb = s->pb; + enum MXFMetadataSetType component; mxf_write_metadata_key(pb, 0x010f00); PRINT_KEY(s, "sequence key", pb->buf_ptr - 16); @@ -491,12 +632,46 @@ static void mxf_write_sequence(AVFormatContext *s, AVStream *st, enum MXFMetadat mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, st->index); PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16); - mxf_write_common_fields(pb, st); + mxf_write_common_fields(s, st); // write structural component mxf_write_local_tag(pb, 16 + 8, 0x1001); mxf_write_refs_count(pb, 1); - mxf_write_uuid(pb, type == MaterialPackage ? SourceClip: SourceClip + TypeBottom, st->index); + 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; + ByteIOContext *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); + put_be64(pb, mxf->timecode_start); + + // Rounded Time Code Base + mxf_write_local_tag(pb, 2, 0x1502); + put_be16(pb, mxf->timecode_base); + + // Drop Frame + mxf_write_local_tag(pb, 1, 0x1503); + put_byte(pb, mxf->timecode_drop_frame); } static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type) @@ -513,7 +688,7 @@ static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, enu 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(pb, st); + mxf_write_common_fields(s, st); // write start_position mxf_write_local_tag(pb, 8, 0x1201); @@ -525,19 +700,21 @@ static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, enu for (i = 0; i < 4; i++) put_be64(pb, 0); } else - mxf_write_umid(pb, SourcePackage, 0); + mxf_write_umid(s, 1); // write source track id mxf_write_local_tag(pb, 4, 0x1102); if (type == SourcePackage) put_be32(pb, 0); else - put_be32(pb, st->index); + put_be32(pb, st->index+2); } static void mxf_write_multi_descriptor(AVFormatContext *s) { + MXFContext *mxf = s->priv_data; ByteIOContext *pb = s->pb; + const uint8_t *ul; int i; mxf_write_metadata_key(pb, 0x014400); @@ -550,12 +727,18 @@ static void mxf_write_multi_descriptor(AVFormatContext *s) // write sample rate mxf_write_local_tag(pb, 8, 0x3001); - put_be32(pb, s->streams[0]->time_base.den); - put_be32(pb, s->streams[0]->time_base.num); + put_be32(pb, mxf->time_base.den); + put_be32(pb, mxf->time_base.num); // write essence container ul mxf_write_local_tag(pb, 16, 0x3004); - put_buffer(pb, multiple_desc_ul, 16); + 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; + } + put_buffer(pb, ul, 16); // write sub descriptor refs mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01); @@ -564,22 +747,24 @@ static void mxf_write_multi_descriptor(AVFormatContext *s) mxf_write_uuid(pb, SubDescriptor, i); } -static void mxf_write_generic_desc(ByteIOContext *pb, AVStream *st, const UID key, unsigned size) +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; + ByteIOContext *pb = s->pb; put_buffer(pb, key, 16); - klv_encode_ber_length(pb, size); + 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); - put_be32(pb, st->index); + put_be32(pb, st->index+2); mxf_write_local_tag(pb, 8, 0x3001); - put_be32(pb, st->time_base.den); - put_be32(pb, st->time_base.num); + put_be32(pb, mxf->time_base.den); + put_be32(pb, mxf->time_base.num); mxf_write_local_tag(pb, 16, 0x3004); put_buffer(pb, mxf_essence_container_uls[sc->index].container_ul, 16); @@ -588,16 +773,18 @@ static void mxf_write_generic_desc(ByteIOContext *pb, AVStream *st, const UID ke 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_mpegvideo_desc(AVFormatContext *s, AVStream *st) +static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size) { MXFStreamContext *sc = st->priv_data; ByteIOContext *pb = s->pb; int stored_height = (st->codec->height+15)/16*16; - AVRational dar; + int display_height; int f1, f2; - mxf_write_generic_desc(pb, st, mxf_mpegvideo_descriptor_key, 153+sc->interlaced*4); + 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); put_be32(pb, st->codec->width); @@ -608,12 +795,23 @@ static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st) mxf_write_local_tag(pb, 4, 0x3209); put_be32(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); - put_be32(pb, st->codec->height>>sc->interlaced); + put_be32(pb, display_height>>sc->interlaced); - // bit rate - mxf_write_local_tag(pb, 4, 0x8000); - put_be32(pb, st->codec->bit_rate); + // component depth + mxf_write_local_tag(pb, 4, 0x3301); + put_be32(pb, 8); + + // horizontal subsampling + mxf_write_local_tag(pb, 4, 0x3302); + put_be32(pb, 2); // frame layout mxf_write_local_tag(pb, 1, 0x320C); @@ -635,31 +833,49 @@ static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st) f1 *= 2; } - mxf_write_local_tag(pb, 16, 0x320D); + mxf_write_local_tag(pb, 12+sc->interlaced*4, 0x320D); put_be32(pb, sc->interlaced ? 2 : 1); put_be32(pb, 4); put_be32(pb, f1); if (sc->interlaced) put_be32(pb, f2); - av_reduce(&dar.num, &dar.den, - st->codec->width*st->codec->sample_aspect_ratio.num, - st->codec->height*st->codec->sample_aspect_ratio.den, - 1024*1024); - mxf_write_local_tag(pb, 8, 0x320E); - put_be32(pb, dar.num); - put_be32(pb, dar.den); + put_be32(pb, sc->aspect_ratio.num); + put_be32(pb, sc->aspect_ratio.den); mxf_write_local_tag(pb, 16, 0x3201); put_buffer(pb, *sc->codec_ul, 16); } -static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st, const UID key, unsigned size) +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) +{ + ByteIOContext *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); + put_be32(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 + put_byte(pb, profile_and_level); +} + +static void mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size) { ByteIOContext *pb = s->pb; - mxf_write_generic_desc(pb, st, key, size); + mxf_write_generic_desc(s, st, key, size+5+12+8+8); // audio locked mxf_write_local_tag(pb, 1, 0x3D02); @@ -674,32 +890,52 @@ static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st, const put_be32(pb, st->codec->channels); mxf_write_local_tag(pb, 4, 0x3D01); - put_be32(pb, st->codec->bits_per_coded_sample); + put_be32(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) +{ + ByteIOContext *pb = s->pb; + + mxf_write_generic_sound_common(s, st, key, size+6+8); + + mxf_write_local_tag(pb, 2, 0x3D0A); + put_be16(pb, st->codec->block_align); + + // avg bytes per sec + mxf_write_local_tag(pb, 4, 0x3D09); + put_be32(pb, st->codec->block_align*st->codec->sample_rate); } static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st) { - mxf_write_generic_sound_desc(s, st, mxf_wav_descriptor_key, 93); + mxf_write_wav_common(s, st, mxf_wav_descriptor_key, 0); } static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st) { - mxf_write_generic_sound_desc(s, st, mxf_aes3_descriptor_key, 93); + 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; ByteIOContext *pb = s->pb; - int i; + 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 * s->nb_streams); + 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 * s->nb_streams); // 20 bytes length for descriptor reference + klv_encode_ber_length(pb, 112 + 16*track_count); // 20 bytes length for descriptor reference } // write uid @@ -710,20 +946,22 @@ static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type) // write package umid mxf_write_local_tag(pb, 32, 0x4401); - mxf_write_umid(pb, type, 0); + mxf_write_umid(s, type == SourcePackage); PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16); - // write create date + // package creation date mxf_write_local_tag(pb, 8, 0x4405); - put_be64(pb, 0); + put_be64(pb, mxf->timestamp); - // write modified date + // package modified date mxf_write_local_tag(pb, 8, 0x4404); - put_be64(pb, 0); + put_be64(pb, mxf->timestamp); // write track refs - mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x4403); - mxf_write_refs_count(pb, s->nb_streams); + 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); @@ -737,6 +975,11 @@ static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type) 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); @@ -755,17 +998,20 @@ static int mxf_write_essence_container_data(AVFormatContext *s) ByteIOContext *pb = s->pb; mxf_write_metadata_key(pb, 0x012300); - klv_encode_ber_length(pb, 64); + 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(pb, SourcePackage, 0); + mxf_write_umid(s, 1); mxf_write_local_tag(pb, 4, 0x3F07); // BodySID put_be32(pb, 1); + mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID + put_be32(pb, 2); + return 0; } @@ -780,24 +1026,208 @@ static int mxf_write_header_metadata_sets(AVFormatContext *s) return 0; } -static void mxf_write_partition(AVFormatContext *s, int bodysid, const uint8_t *key, int write_metadata) +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; + ByteIOContext *pb = s->pb; + int i, j; + int 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; + + put_buffer(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); + put_be32(pb, mxf->time_base.den); + put_be32(pb, mxf->time_base.num); + + // index start position + mxf_write_local_tag(pb, 8, 0x3F0C); + put_be64(pb, mxf->last_indexed_edit_unit); + + // index duration + mxf_write_local_tag(pb, 8, 0x3F0D); + if (mxf->edit_unit_byte_count) + put_be64(pb, 0); // index table covers whole container + else + put_be64(pb, mxf->edit_units_count); + + // edit unit byte count + mxf_write_local_tag(pb, 4, 0x3F05); + put_be32(pb, mxf->edit_unit_byte_count); + + // index sid + mxf_write_local_tag(pb, 4, 0x3F06); + put_be32(pb, 2); + + // body sid + mxf_write_local_tag(pb, 4, 0x3F07); + put_be32(pb, 1); + + if (!mxf->edit_unit_byte_count) { + // real slice count - 1 + mxf_write_local_tag(pb, 1, 0x3F08); + put_byte(pb, mxf->slice_count); + + // delta entry array + mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09); + put_be32(pb, s->nb_streams+1); // num of entries + put_be32(pb, 6); // size of one entry + // write system item delta entry + put_byte(pb, 0); + put_byte(pb, 0); // slice entry + put_be32(pb, 0); // element delta + for (i = 0; i < s->nb_streams; i++) { + AVStream *st = s->streams[i]; + MXFStreamContext *sc = st->priv_data; + put_byte(pb, sc->temporal_reordering); + if (sc->temporal_reordering) + temporal_reordering = 1; + if (i == 0) { // video track + put_byte(pb, 0); // slice number + put_be32(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); + put_byte(pb, 1); + put_be32(pb, (i-1)*audio_frame_size); // element delta + } + } + + mxf_write_local_tag(pb, 8 + mxf->edit_units_count*(11+mxf->slice_count*4), 0x3F0A); + put_be32(pb, mxf->edit_units_count); // num of entries + put_be32(pb, 11+mxf->slice_count*4); // size of one entry + for (i = 0; i < mxf->edit_units_count; i++) { + int temporal_offset = 0; + if (temporal_reordering) { + for (j = i+1; j < mxf->edit_units_count; j++) { + temporal_offset++; + if (mxf->index_entries[j].flags & 0x10) { // backward prediction + // next is not b, so is reordered + if (!(mxf->index_entries[i+1].flags & 0x10)) { + if ((mxf->index_entries[i].flags & 0x11) == 0) // I frame + temporal_offset = 0; + else + temporal_offset = -temporal_offset; + } + break; + } + } + } + put_byte(pb, temporal_offset); + + if (!(mxf->index_entries[i].flags & 0x33)) { // I frame + if (mxf->index_entries[i].flags & 0x40 && // seq header + (!temporal_reordering || !temporal_offset)) + mxf->index_entries[i].flags |= 0x80; // random access + mxf->last_key_index = key_index; + key_index = i; + } + if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction + put_byte(pb, mxf->last_key_index - i); + } else { + put_byte(pb, key_index - i); // key frame offset + if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward + mxf->last_key_index = key_index; + } + put_byte(pb, mxf->index_entries[i].flags); + // stream offset + put_be64(pb, mxf->index_entries[i].offset); + if (s->nb_streams > 1) + put_be32(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(url_ftell(s->pb)); + if (pad) { + put_buffer(s->pb, klv_fill_key, 16); + pad -= 16 + 4; + klv_encode_ber4_length(s->pb, pad); + for (; pad; pad--) + put_byte(s->pb, 0); + assert(!(url_ftell(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; ByteIOContext *pb = s->pb; int64_t header_byte_count_offset; + unsigned index_byte_count = 0; + uint64_t partition_offset = url_ftell(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 put_buffer(pb, key, 16); - klv_encode_ber_length(pb, 88 + 16 * mxf->essence_container_count); // write partition value put_be16(pb, 1); // majorVersion put_be16(pb, 2); // minorVersion - put_be32(pb, 1); // kagSize + put_be32(pb, KAG_SIZE); // KAGSize + + put_be64(pb, partition_offset); // ThisPartition - put_be64(pb, url_ftell(pb) - 25); // thisPartition - put_be64(pb, 0); // previousPartition + if (!memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1) + put_be64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition + else if (!memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count) + put_be64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition + else + put_be64(pb, 0); put_be64(pb, mxf->footer_partition_offset); // footerPartition @@ -805,26 +1235,39 @@ static void mxf_write_partition(AVFormatContext *s, int bodysid, const uint8_t * header_byte_count_offset = url_ftell(pb); put_be64(pb, 0); // headerByteCount, update later - // no indexTable - put_be64(pb, 0); // indexByteCount - put_be32(pb, 0); // indexSID - put_be64(pb, 0); // bodyOffset + // indexTable + put_be64(pb, index_byte_count); // indexByteCount + put_be32(pb, index_byte_count ? indexsid : 0); // indexSID + + // BodyOffset + if (bodysid && mxf->edit_units_count && mxf->body_partitions_count) { + put_be64(pb, mxf->body_offset); + } else + put_be64(pb, 0); put_be32(pb, bodysid); // bodySID - put_buffer(pb, op1a_ul, 16); // operational pattern + + // operational pattern + put_buffer(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 = url_ftell(s->pb); + int64_t pos, start; + unsigned header_byte_count; + + mxf_write_klv_fill(s); + start = url_ftell(s->pb); mxf_write_primer_pack(s); mxf_write_header_metadata_sets(s); pos = url_ftell(s->pb); + header_byte_count = pos - start + klv_fill_size(pos); + // update header_byte_count url_fseek(pb, header_byte_count_offset, SEEK_SET); - put_be64(pb, pos - start); + put_be64(pb, header_byte_count); url_fseek(pb, pos, SEEK_SET); } @@ -844,88 +1287,115 @@ static const UID mxf_mpeg2_codec_uls[] = { 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 avctx->gop_size ? - &mxf_mpeg2_codec_uls[1] : - &mxf_mpeg2_codec_uls[0]; + return &mxf_mpeg2_codec_uls[0+long_gop]; else if (avctx->level == 4) // High - return avctx->gop_size ? - &mxf_mpeg2_codec_uls[5] : - &mxf_mpeg2_codec_uls[4]; + return &mxf_mpeg2_codec_uls[4+long_gop]; } else if (avctx->profile == 0) { // 422 if (avctx->level == 5) // Main - return avctx->gop_size ? - &mxf_mpeg2_codec_uls[3] : - &mxf_mpeg2_codec_uls[2]; + return &mxf_mpeg2_codec_uls[2+long_gop]; else if (avctx->level == 2) // High - return avctx->gop_size ? - &mxf_mpeg2_codec_uls[7] : - &mxf_mpeg2_codec_uls[6]; + return &mxf_mpeg2_codec_uls[6+long_gop]; } return NULL; } -static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt) +static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt, int *flags) { MXFStreamContext *sc = st->priv_data; + MXFContext *mxf = s->priv_data; uint32_t c = -1; int i; + *flags = 0; + for(i = 0; i < pkt->size - 4; i++) { c = (c<<8) + pkt->data[i]; - if (c == 0x1B5) { - if (i + 2 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x10) { // seq ext + 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 (*flags & 0x40) // sequence header present + *flags |= 0x80; // random access + } + if (!mxf->header_written) { + unsigned hours = (pkt->data[i+1]>>2) & 0x1f; + unsigned minutes = ((pkt->data[i+1] & 0x03) << 4) | (pkt->data[i+2]>>4); + unsigned seconds = ((pkt->data[i+2] & 0x07) << 3) | (pkt->data[i+3]>>5); + unsigned frames = ((pkt->data[i+3] & 0x1f) << 1) | (pkt->data[i+4]>>7); + mxf->timecode_drop_frame = !!(pkt->data[i+1] & 0x80); + mxf->timecode_start = (hours*3600 + minutes*60 + seconds) * + mxf->timecode_base + frames; + if (mxf->timecode_drop_frame) { + unsigned tminutes = 60 * hours + minutes; + mxf->timecode_start -= 2 * (tminutes - tminutes / 10); + } + av_log(s, AV_LOG_DEBUG, "frame %d %d:%d:%d%c%d\n", mxf->timecode_start, + hours, minutes, seconds, mxf->timecode_drop_frame ? ';':':', frames); + } + } else if (c == 0x1b3) { // seq + *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; + if (pict_type == 2) { // P frame + *flags |= 0x22; + sc->closed_gop = 0; // reset closed gop, don't matter anymore + } else if (pict_type == 3) { // B frame + if (sc->closed_gop) + *flags |= 0x13; // only backward prediction + else + *flags |= 0x33; + sc->temporal_reordering = -1; + } else if (!pict_type) { + av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n"); + return 0; + } } } - sc->codec_ul = mxf_get_mpeg2_codec_ul(st->codec); + if (s->oformat != &mxf_d10_muxer) + sc->codec_ul = mxf_get_mpeg2_codec_ul(st->codec); return !!sc->codec_ul; } -static int ff_audio_interleave_init(AVFormatContext *s, const int *samples_per_frame) +static uint64_t mxf_parse_timestamp(time_t timestamp) { - int i; - - if (!samples_per_frame) - return -1; - - for (i = 0; i < s->nb_streams; i++) { - AVStream *st = s->streams[i]; - AudioInterleaveContext *aic = st->priv_data; - - if (st->codec->codec_type == CODEC_TYPE_AUDIO) { - aic->sample_size = (st->codec->channels * - av_get_bits_per_sample(st->codec->codec_id)) / 8; - if (!aic->sample_size) { - av_log(s, AV_LOG_ERROR, "could not compute sample size\n"); - return -1; - } - aic->samples_per_frame = samples_per_frame; - aic->samples = aic->samples_per_frame; - - av_fifo_init(&aic->fifo, 100 * *aic->samples); - } - } - - return 0; + struct tm *time = gmtime(×tamp); + 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 ff_audio_interleave_close(AVFormatContext *s) +static void mxf_gen_umid(AVFormatContext *s) { - int i; - for (i = 0; i < s->nb_streams; i++) { - AVStream *st = s->streams[i]; - AudioInterleaveContext *aic = st->priv_data; + MXFContext *mxf = s->priv_data; + uint32_t seed = ff_random_get_seed(); + uint64_t umid = seed + 0x5294713400000000LL; - if (st->codec->codec_type == CODEC_TYPE_AUDIO) - av_fifo_free(&aic->fifo); - } + AV_WB64(mxf->umid , umid); + AV_WB64(mxf->umid+8, umid>>8); + + mxf->instance_number = seed; } static int mxf_write_header(AVFormatContext *s) @@ -935,6 +1405,9 @@ static int mxf_write_header(AVFormatContext *s) uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0}; const int *samples_per_frame = NULL; + 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)); @@ -943,170 +1416,445 @@ static int mxf_write_header(AVFormatContext *s) st->priv_data = sc; if (st->codec->codec_type == CODEC_TYPE_VIDEO) { - if (!av_cmp_q(st->codec->time_base, (AVRational){ 1, 25 })) { + 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 }; - } else if (!av_cmp_q(st->codec->time_base, (AVRational){ 1001, 30000 })) { + 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; } + av_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den); + if (s->oformat == &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 == CODEC_TYPE_AUDIO) { if (st->codec->sample_rate != 48000) { av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n"); return -1; } + av_set_pts_info(st, 64, 1, st->codec->sample_rate); + if (s->oformat == &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; } - sc->duration = -1; - 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; + 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; - if (!present[sc->index]) { - mxf->essence_containers_indices[mxf->essence_container_count++] = sc->index; - present[sc->index] = 1; - } else - present[sc->index]++; 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 == &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; - av_set_pts_info(s->streams[i], 64, mxf->time_base.num, mxf->time_base.den); // update element count sc->track_essence_element_key[13] = present[sc->index]; sc->order = AV_RB32(sc->track_essence_element_key+12); } + if (s->timestamp) + mxf->timestamp = mxf_parse_timestamp(s->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) < 0) + 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 uint32_t ff_framenum_to_12m_time_code(unsigned frame, int drop, int fps) +{ + return (0 << 31) | // color frame flag + (0 << 30) | // drop frame flag + ( ((frame % fps) / 10) << 28) | // tens of frames + ( ((frame % fps) % 10) << 24) | // units of frames + (0 << 23) | // field phase (NTSC), b0 (PAL) + ((((frame / fps) % 60) / 10) << 20) | // tens of seconds + ((((frame / fps) % 60) % 10) << 16) | // units of seconds + (0 << 15) | // b0 (NTSC), b2 (PAL) + ((((frame / (fps * 60)) % 60) / 10) << 12) | // tens of minutes + ((((frame / (fps * 60)) % 60) % 10) << 8) | // units of minutes + (0 << 7) | // b1 + (0 << 6) | // b2 (NSC), field phase (PAL) + ((((frame / (fps * 3600) % 24)) / 10) << 4) | // tens of hours + ( (frame / (fps * 3600) % 24)) % 10; // units of hours +} + +static void mxf_write_system_item(AVFormatContext *s) +{ + MXFContext *mxf = s->priv_data; + ByteIOContext *pb = s->pb; + unsigned frame; + uint32_t time_code; + + frame = mxf->timecode_start + mxf->last_indexed_edit_unit + mxf->edit_units_count; + + // write system metadata pack + put_buffer(pb, system_metadata_pack_key, 16); + klv_encode_ber4_length(pb, 57); + put_byte(pb, 0x5c); // UL, user date/time stamp, picture and sound item present + put_byte(pb, 0x04); // content package rate + put_byte(pb, 0x00); // content package type + put_be16(pb, 0x00); // channel handle + put_be16(pb, frame); // continuity count + if (mxf->essence_container_count > 1) + put_buffer(pb, multiple_desc_ul, 16); + else { + MXFStreamContext *sc = s->streams[0]->priv_data; + put_buffer(pb, mxf_essence_container_uls[sc->index].container_ul, 16); + } + put_byte(pb, 0); + put_be64(pb, 0); + put_be64(pb, 0); // creation date/time stamp + + put_byte(pb, 0x81); // SMPTE 12M time code + time_code = ff_framenum_to_12m_time_code(frame, mxf->timecode_drop_frame, mxf->timecode_base); + put_be32(pb, time_code); + put_be32(pb, 0); // binary group data + put_be64(pb, 0); + + // write system metadata package set + put_buffer(pb, system_metadata_package_set_key, 16); + klv_encode_ber4_length(pb, 35); + put_byte(pb, 0x83); // UMID + put_be16(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; + ByteIOContext *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); + put_buffer(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) { + put_buffer(s->pb, klv_fill_key, 16); + pad -= 16 + 4; + klv_encode_ber4_length(s->pb, pad); + for (; pad; pad--) + put_byte(s->pb, 0); + assert(!(url_ftell(s->pb) & (KAG_SIZE-1))); + } else { + av_log(s, AV_LOG_WARNING, "cannot fill d-10 video packet\n"); + for (; pad > 0; pad--) + put_byte(s->pb, 0); + } +} + +static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt) +{ + MXFContext *mxf = s->priv_data; + ByteIOContext *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); + + put_byte(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1)); + put_le16(pb, frame_size); + put_byte(pb, (1<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; + } + put_le32(pb, sample | i); + } + for (; i < 8; i++) + put_le32(pb, i); + } +} + static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt) { MXFContext *mxf = s->priv_data; ByteIOContext *pb = s->pb; AVStream *st = s->streams[pkt->stream_index]; MXFStreamContext *sc = st->priv_data; + int flags = 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, &flags)) { + av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n"); + return -1; + } + } if (!mxf->header_written) { - if (st->codec->codec_id == CODEC_ID_MPEG2VIDEO) { - if (!mxf_parse_mpeg2_frame(s, st, pkt)) { - av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n"); - return -1; - } + 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_write_partition(s, 1, header_open_partition_key, 1); mxf->header_written = 1; } - put_buffer(pb, sc->track_essence_element_key, 16); // write key - klv_encode_ber_length(pb, pkt->size); // write length - put_buffer(pb, pkt->data, pkt->size); // write value + if (st->index == 0) { + if (!mxf->edit_unit_byte_count && + (!mxf->edit_units_count || mxf->edit_units_count > EDIT_UNITS_PER_BODY) && + !(flags & 0x33)) { // I frame, Gop start + mxf_write_klv_fill(s); + mxf_write_partition(s, 1, 2, body_partition_key, 0); - sc->duration = FFMAX(pkt->pts + pkt->duration, sc->duration); + 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 = flags; + 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); + put_buffer(pb, sc->track_essence_element_key, 16); // write key + if (s->oformat == &mxf_d10_muxer) { + if (st->codec->codec_type == CODEC_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 + put_buffer(pb, pkt->data, pkt->size); + mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size); + } put_flush_packet(pb); + return 0; } -static int mxf_write_footer(AVFormatContext *s) +static void mxf_write_random_index_pack(AVFormatContext *s) { MXFContext *mxf = s->priv_data; ByteIOContext *pb = s->pb; + uint64_t pos = url_ftell(pb); + int i; - mxf->footer_partition_offset = url_ftell(pb); - mxf_write_partition(s, 0, footer_partition_key, 0); - if (!url_is_streamed(s->pb)) { - url_fseek(pb, 0, SEEK_SET); - mxf_write_partition(s, 1, header_closed_partition_key, 1); + put_buffer(pb, random_index_pack_key, 16); + klv_encode_ber_length(pb, 28 + 12*mxf->body_partitions_count); + + if (mxf->edit_unit_byte_count) + put_be32(pb, 1); // BodySID of header partition + else + put_be32(pb, 0); + put_be64(pb, 0); // offset of header partition + + for (i = 0; i < mxf->body_partitions_count; i++) { + put_be32(pb, 1); // BodySID + put_be64(pb, mxf->body_partition_offset[i]); } - ff_audio_interleave_close(s); + put_be32(pb, 0); // BodySID of footer partition + put_be64(pb, mxf->footer_partition_offset); - mxf_free(s); - return 0; + put_be32(pb, url_ftell(pb) - pos + 4); } -static int mxf_interleave_new_audio_packet(AVFormatContext *s, AVPacket *pkt, - int stream_index, int flush) +static int mxf_write_footer(AVFormatContext *s) { - AVStream *st = s->streams[stream_index]; - AudioInterleaveContext *aic = st->priv_data; + MXFContext *mxf = s->priv_data; + ByteIOContext *pb = s->pb; - int size = FFMIN(av_fifo_size(&aic->fifo), *aic->samples * aic->sample_size); - if (!size || (!flush && size == av_fifo_size(&aic->fifo))) - return 0; + mxf->duration = mxf->last_indexed_edit_unit + mxf->edit_units_count; + + mxf_write_klv_fill(s); + mxf->footer_partition_offset = url_ftell(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 (!url_is_streamed(s->pb)) { + url_fseek(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); + } + } + + put_flush_packet(pb); - av_new_packet(pkt, size); - av_fifo_read(&aic->fifo, pkt->data, size); + ff_audio_interleave_close(s); - pkt->dts = pkt->pts = aic->dts; - pkt->duration = av_rescale_q(*aic->samples, - (AVRational){ 1, st->codec->sample_rate }, - st->time_base); - pkt->stream_index = stream_index; - aic->dts += pkt->duration; + av_freep(&mxf->index_entries); + av_freep(&mxf->body_partition_offset); + av_freep(&mxf->timecode_track->priv_data); + av_freep(&mxf->timecode_track); - aic->samples++; - if (!*aic->samples) - aic->samples = aic->samples_per_frame; + mxf_free(s); - return size; + return 0; } static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush) { - AVPacketList *pktl; - int stream_count = 0; - int streams[MAX_STREAMS]; - - memset(streams, 0, sizeof(streams)); - pktl = s->packet_buffer; - while (pktl) { - //av_log(s, AV_LOG_DEBUG, "show st:%d dts:%lld\n", pktl->pkt.stream_index, pktl->pkt.dts); - if (!streams[pktl->pkt.stream_index]) - stream_count++; - streams[pktl->pkt.stream_index]++; - pktl = pktl->next; - } + int i, stream_count = 0; - if (stream_count && (s->nb_streams == stream_count || flush)) { - 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; - av_freep(&pktl); + for (i = 0; i < s->nb_streams; i++) + stream_count += !!s->streams[i]->last_in_packet_buffer; - if (flush && stream_count < s->nb_streams) { + 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 - pktl = s->packet_buffer; 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; } - s->packet_buffer = NULL; + 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; } @@ -1114,52 +1862,23 @@ static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket static int mxf_compare_timestamps(AVFormatContext *s, AVPacket *next, AVPacket *pkt) { - AVStream *st = s->streams[pkt ->stream_index]; - AVStream *st2 = s->streams[next->stream_index]; - MXFStreamContext *sc = st ->priv_data; - MXFStreamContext *sc2 = st2->priv_data; - - int64_t left = st2->time_base.num * (int64_t)st ->time_base.den; - int64_t right = st ->time_base.num * (int64_t)st2->time_base.den; + MXFStreamContext *sc = s->streams[pkt ->stream_index]->priv_data; + MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data; - return next->dts * left > pkt->dts * right || // FIXME this can overflow - (next->dts * left == pkt->dts * right && sc->order < sc2->order); + 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) { - int i; - - if (pkt) { - AVStream *st = s->streams[pkt->stream_index]; - AudioInterleaveContext *aic = st->priv_data; - if (st->codec->codec_type == CODEC_TYPE_AUDIO) { - av_fifo_generic_write(&aic->fifo, pkt->data, pkt->size, NULL); - } else { - // rewrite pts and dts to be decoded time line position - pkt->pts = pkt->dts = aic->dts; - aic->dts += pkt->duration; - ff_interleave_add_packet(s, pkt, mxf_compare_timestamps); - } - pkt = NULL; - } - - for (i = 0; i < s->nb_streams; i++) { - AVStream *st = s->streams[i]; - if (st->codec->codec_type == CODEC_TYPE_AUDIO) { - AVPacket new_pkt; - while (mxf_interleave_new_audio_packet(s, &new_pkt, i, flush)) - ff_interleave_add_packet(s, &new_pkt, mxf_compare_timestamps); - } - } - - return mxf_interleave_get_packet(s, out, pkt, flush); + return ff_audio_rechunk_interleave(s, out, pkt, flush, + mxf_interleave_get_packet, mxf_compare_timestamps); } AVOutputFormat mxf_muxer = { "mxf", NULL_IF_CONFIG_SMALL("Material eXchange Format"), - NULL, + "application/mxf", "mxf", sizeof(MXFContext), CODEC_ID_PCM_S16LE, @@ -1167,7 +1886,23 @@ AVOutputFormat mxf_muxer = { mxf_write_header, mxf_write_packet, mxf_write_footer, - 0, + AVFMT_NOTIMESTAMPS, + NULL, + mxf_interleave, +}; + +AVOutputFormat mxf_d10_muxer = { + "mxf_d10", + NULL_IF_CONFIG_SMALL("Material eXchange Format, D-10 Mapping"), + "application/mxf", + NULL, + sizeof(MXFContext), + CODEC_ID_PCM_S16LE, + CODEC_ID_MPEG2VIDEO, + mxf_write_header, + mxf_write_packet, + mxf_write_footer, + AVFMT_NOTIMESTAMPS, NULL, mxf_interleave, };