| /* |
| * 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 |
| */ |
| |
| /* |
| * signal_standard, color_siting, store_user_comments, sample rate and klv_fill_key version |
| * fixes sponsored by NOA GmbH |
| */ |
| |
| /* |
| * 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 422M Mapping JPEG 2000 Codestreams into the MXF Generic Container |
| * SMPTE RP210: SMPTE Metadata Dictionary |
| * SMPTE RP224: Registry of SMPTE Universal Labels |
| */ |
| |
| #include <inttypes.h> |
| #include <math.h> |
| #include <time.h> |
| |
| #include "libavutil/opt.h" |
| #include "libavutil/random_seed.h" |
| #include "libavutil/timecode.h" |
| #include "libavutil/avassert.h" |
| #include "libavutil/mastering_display_metadata.h" |
| #include "libavutil/pixdesc.h" |
| #include "libavutil/time_internal.h" |
| #include "libavcodec/bytestream.h" |
| #include "libavcodec/dnxhddata.h" |
| #include "libavcodec/dv_profile.h" |
| #include "libavcodec/h264_ps.h" |
| #include "libavcodec/golomb.h" |
| #include "libavcodec/internal.h" |
| #include "avformat.h" |
| #include "avio_internal.h" |
| #include "internal.h" |
| #include "avc.h" |
| #include "mxf.h" |
| #include "config.h" |
| |
| extern AVOutputFormat ff_mxf_d10_muxer; |
| extern AVOutputFormat ff_mxf_opatom_muxer; |
| |
| #define EDIT_UNITS_PER_BODY 250 |
| #define KAG_SIZE 512 |
| |
| typedef struct MXFIndexEntry { |
| uint64_t offset; |
| unsigned slice_offset; ///< offset of audio slice |
| uint16_t temporal_ref; |
| uint8_t flags; |
| } MXFIndexEntry; |
| |
| typedef struct MXFStreamContext { |
| int64_t pkt_cnt; ///< pkt counter for muxed packets |
| UID track_essence_element_key; |
| int index; ///< index in mxf_essence_container_uls table |
| const UID *codec_ul; |
| const UID *container_ul; |
| int order; ///< interleaving order if dts are equal |
| int interlaced; ///< whether picture is interlaced |
| int field_dominance; ///< tff=1, bff=2 |
| int component_depth; |
| int color_siting; |
| int signal_standard; |
| int h_chroma_sub_sample; |
| int v_chroma_sub_sample; |
| int temporal_reordering; |
| AVRational aspect_ratio; ///< display aspect ratio |
| int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing |
| int video_bit_rate; |
| int slice_offset; |
| int frame_size; ///< frame size in bytes |
| int seq_closed_gop; ///< all gops in sequence are closed, used in mpeg-2 descriptor |
| int max_gop; ///< maximum gop size, used by mpeg-2 descriptor |
| int b_picture_count; ///< maximum number of consecutive b pictures, used in mpeg-2 descriptor |
| int low_delay; ///< low delay, used in mpeg-2 descriptor |
| int avc_intra; |
| } MXFStreamContext; |
| |
| typedef struct MXFContainerEssenceEntry { |
| UID container_ul; |
| UID element_ul; |
| UID codec_ul; |
| void (*write_desc)(AVFormatContext *, AVStream *); |
| } MXFContainerEssenceEntry; |
| |
| typedef struct MXFPackage { |
| char *name; |
| enum MXFMetadataSetType type; |
| int instance; |
| struct MXFPackage *ref; |
| } MXFPackage; |
| |
| enum ULIndex { |
| INDEX_MPEG2 = 0, |
| INDEX_AES3, |
| INDEX_WAV, |
| INDEX_D10_VIDEO, |
| INDEX_D10_AUDIO, |
| INDEX_DV, |
| INDEX_DNXHD, |
| INDEX_JPEG2000, |
| INDEX_H264, |
| INDEX_S436M, |
| INDEX_PRORES, |
| }; |
| |
| static const struct { |
| enum AVCodecID id; |
| enum ULIndex index; |
| } mxf_essence_mappings[] = { |
| { AV_CODEC_ID_MPEG2VIDEO, INDEX_MPEG2 }, |
| { AV_CODEC_ID_PCM_S24LE, INDEX_AES3 }, |
| { AV_CODEC_ID_PCM_S16LE, INDEX_AES3 }, |
| { AV_CODEC_ID_DVVIDEO, INDEX_DV }, |
| { AV_CODEC_ID_DNXHD, INDEX_DNXHD }, |
| { AV_CODEC_ID_JPEG2000, INDEX_JPEG2000 }, |
| { AV_CODEC_ID_H264, INDEX_H264 }, |
| { AV_CODEC_ID_PRORES, INDEX_PRORES }, |
| { AV_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_h264_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 void mxf_write_s436m_anc_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 Video |
| { { 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 }, |
| // D-10 Audio |
| { { 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 }, |
| // DV |
| { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 }, |
| { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 }, |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 }, |
| mxf_write_cdci_desc }, |
| // DNxHD |
| { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 }, |
| { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 }, |
| mxf_write_cdci_desc }, |
| // JPEG2000 |
| { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 }, |
| { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 }, |
| { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 }, |
| mxf_write_cdci_desc }, |
| // H.264 |
| { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 }, |
| { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 }, |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 }, |
| mxf_write_h264_desc }, |
| // S436M ANC |
| { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x0e,0x00,0x00 }, |
| { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x17,0x01,0x02,0x00 }, |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x01,0x5C,0x00 }, |
| mxf_write_s436m_anc_desc }, |
| // ProRes |
| { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x0d,0x01,0x03,0x01,0x02,0x1c,0x01,0x00 }, |
| { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x17,0x00 }, |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x03,0x00 }, |
| mxf_write_cdci_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 }, |
| }; |
| |
| static const UID mxf_d10_codec_uls[] = { |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 }, // D-10 625/50 PAL 50mb/s |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 }, // D-10 525/50 NTSC 50mb/s |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 }, // D-10 625/50 PAL 40mb/s |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 }, // D-10 525/50 NTSC 40mb/s |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 }, // D-10 625/50 PAL 30mb/s |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 }, // D-10 525/50 NTSC 30mb/s |
| }; |
| |
| static const UID mxf_d10_container_uls[] = { |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 }, // D-10 625/50 PAL 50mb/s |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 }, // D-10 525/50 NTSC 50mb/s |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 }, // D-10 625/50 PAL 40mb/s |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 }, // D-10 525/50 NTSC 40mb/s |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 }, // D-10 625/50 PAL 30mb/s |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 }, // D-10 525/50 NTSC 30mb/s |
| }; |
| |
| 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; |
| AVTimecode tc; ///< timecode context |
| AVStream *timecode_track; |
| int timecode_base; ///< rounded time code base (25 or 30) |
| int edit_unit_byte_count; ///< fixed edit unit byte count |
| int content_package_rate; ///< content package rate in system element, see SMPTE 326M |
| uint64_t body_offset; |
| uint32_t instance_number; |
| uint8_t umid[16]; ///< unique material identifier |
| int channel_count; |
| int signal_standard; |
| uint32_t tagged_value_count; |
| AVRational audio_edit_rate; |
| int store_user_comments; |
| int track_instance_count; // used to generate MXFTrack uuids |
| int cbr_index; ///< use a constant bitrate index |
| } 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 opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 }; |
| 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,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 }; |
| 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 |
| * https://smpte-ra.org/sites/default/files/Labels.xml |
| */ |
| 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 */ |
| { 0x3B07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x04,0x00,0x00,0x00}}, /* Object Model 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 */ |
| { 0x3C03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x04,0x00,0x00,0x00}}, /* Product Version */ |
| { 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 */ |
| { 0x3C07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x0A,0x00,0x00,0x00}}, /* Toolkit Version */ |
| { 0x3C08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x06,0x01,0x00,0x00}}, /* Platform */ |
| // 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 */ |
| { 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */ |
| { 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 */ |
| { 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */ |
| { 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 */ |
| { 0x3216, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x03,0x02,0x08,0x00,0x00,0x00}}, /* Stored F2 Offset */ |
| { 0x3205, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x08,0x00,0x00,0x00}}, /* Sampled Width */ |
| { 0x3204, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x07,0x00,0x00,0x00}}, /* Sampled Height */ |
| { 0x3206, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x09,0x00,0x00,0x00}}, /* Sampled X Offset */ |
| { 0x3207, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0A,0x00,0x00,0x00}}, /* Sampled Y Offset */ |
| { 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 */ |
| { 0x320A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0D,0x00,0x00,0x00}}, /* Display X offset */ |
| { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */ |
| { 0x3217, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x03,0x02,0x07,0x00,0x00,0x00}}, /* Display F2 offset */ |
| { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */ |
| { 0x3210, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x02,0x01,0x01,0x01,0x02,0x00}}, /* Transfer characteristic */ |
| { 0x3213, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x02,0x00,0x00,0x00,0x00}}, /* Image Start Offset */ |
| { 0x3214, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Image End Offset */ |
| { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */ |
| { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */ |
| { 0x3215, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x05,0x01,0x13,0x00,0x00,0x00,0x00}}, /* Signal Standard */ |
| // 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 */ |
| { 0x3308, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x01,0x10,0x00,0x00,0x00}}, /* Vertical Subsampling */ |
| { 0x3303, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x06,0x00,0x00,0x00}}, /* Color Siting */ |
| { 0x3307, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x04,0x00,0x00,0x00,0x00}}, /* Padding Bits */ |
| { 0x3304, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x03,0x03,0x00,0x00,0x00}}, /* Black Ref level */ |
| { 0x3305, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x03,0x04,0x00,0x00,0x00}}, /* White Ref level */ |
| { 0x3306, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x05,0x00,0x00,0x00}}, /* Color Range */ |
| // 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 */ |
| { 0x3D04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x02,0x01,0x01,0x03,0x00,0x00,0x00}}, /* Audio Ref Level */ |
| { 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 */ |
| { 0x8003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x05,0x00,0x00}}, /* LowDelay */ |
| { 0x8004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x06,0x00,0x00}}, /* ClosedGOP */ |
| { 0x8006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x08,0x00,0x00}}, /* MaxGOP */ |
| { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */ |
| { 0x8008, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x09,0x00,0x00}}, /* BPictureCount */ |
| // 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 const MXFLocalTagPair mxf_avc_subdescriptor_local_tags[] = { |
| { 0x8100, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x09,0x06,0x01,0x01,0x04,0x06,0x10,0x00,0x00}}, /* SubDescriptors */ |
| { 0x8200, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0E,0x00,0x00}}, /* AVC Decoding Delay */ |
| { 0x8201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0A,0x00,0x00}}, /* AVC Profile */ |
| { 0x8202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0D,0x00,0x00}}, /* AVC Level */ |
| }; |
| |
| static const MXFLocalTagPair mxf_user_comments_local_tag[] = { |
| { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */ |
| { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */ |
| { 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */ |
| }; |
| |
| 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 = klv_ber_length(len); |
| if (size == 1) { |
| //short form |
| avio_w8(pb, len); |
| return 1; |
| } |
| |
| size --; |
| // 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); |
| } |
| |
| static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len) |
| { |
| avio_w8(pb, 0x80 + 8); |
| avio_wb64(pb, len); |
| } |
| |
| /* |
| * Get essence container ul index |
| */ |
| static int mxf_get_essence_container_ul_index(enum AVCodecID 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_local_tags(AVIOContext *pb, const MXFLocalTagPair *local_tags, int count) |
| { |
| int i; |
| for (i = 0; i < count; i++) { |
| avio_wb16(pb, local_tags[i].local_tag); |
| avio_write(pb, local_tags[i].uid, 16); |
| } |
| } |
| |
| static void mxf_write_primer_pack(AVFormatContext *s) |
| { |
| MXFContext *mxf = s->priv_data; |
| AVIOContext *pb = s->pb; |
| int local_tag_number, i = 0; |
| int avc_tags_count = 0; |
| int mastering_tags_count = 0; |
| |
| local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch); |
| local_tag_number += mxf->store_user_comments * FF_ARRAY_ELEMS(mxf_user_comments_local_tag); |
| |
| for (i = 0; i < s->nb_streams; i++) { |
| MXFStreamContext *sc = s->streams[i]->priv_data; |
| if (s->streams[i]->codecpar->codec_id == AV_CODEC_ID_H264 && !sc->avc_intra) { |
| avc_tags_count = FF_ARRAY_ELEMS(mxf_avc_subdescriptor_local_tags); |
| } |
| if (av_stream_get_side_data(s->streams[i], AV_PKT_DATA_MASTERING_DISPLAY_METADATA, NULL)) { |
| mastering_tags_count = FF_ARRAY_ELEMS(ff_mxf_mastering_display_local_tags); |
| } |
| } |
| |
| local_tag_number += avc_tags_count; |
| local_tag_number += mastering_tags_count; |
| |
| 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 < FF_ARRAY_ELEMS(mxf_local_tag_batch); i++) { |
| avio_wb16(pb, mxf_local_tag_batch[i].local_tag); |
| avio_write(pb, mxf_local_tag_batch[i].uid, 16); |
| } |
| if (mxf->store_user_comments) |
| for (i = 0; i < FF_ARRAY_ELEMS(mxf_user_comments_local_tag); i++) { |
| avio_wb16(pb, mxf_user_comments_local_tag[i].local_tag); |
| avio_write(pb, mxf_user_comments_local_tag[i].uid, 16); |
| } |
| if (avc_tags_count > 0) |
| mxf_write_local_tags(pb, mxf_avc_subdescriptor_local_tags, avc_tags_count); |
| if (mastering_tags_count > 0) |
| mxf_write_local_tags(pb, ff_mxf_mastering_display_local_tags, mastering_tags_count); |
| } |
| |
| 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 const MXFCodecUL *mxf_get_codec_ul_by_id(const MXFCodecUL *uls, int id) |
| { |
| while (uls->uid[0]) { |
| if (id == uls->id) |
| break; |
| uls++; |
| } |
| return uls; |
| } |
| |
| //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors |
| #define DESCRIPTOR_COUNT(essence_container_count) \ |
| (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count) |
| |
| 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, DESCRIPTOR_COUNT(c->essence_container_count)); |
| av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count); |
| for (i = 0; i < s->nb_streams; i++) { |
| MXFStreamContext *sc = s->streams[i]->priv_data; |
| // check first track of essence container type and only write it once |
| if (sc->track_essence_element_key[15] != 0) |
| continue; |
| avio_write(pb, *sc->container_ul, 16); |
| if (c->essence_container_count == 1) |
| break; |
| } |
| |
| if (c->essence_container_count > 1) |
| avio_write(pb, multiple_desc_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, 138 + 16LL * DESCRIPTOR_COUNT(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, 259); // v1.3 |
| |
| // Object Model Version |
| mxf_write_local_tag(pb, 4, 0x3B07); |
| avio_wb32(pb, 1); |
| |
| // 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); |
| if (s->oformat == &ff_mxf_opatom_muxer) |
| avio_write(pb, opatom_ul, 16); |
| else |
| avio_write(pb, op1a_ul, 16); |
| |
| // write essence_container_refs |
| mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(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); |
| } |
| |
| /* |
| * Returns the length of the UTF-16 string, in 16-bit characters, that would result |
| * from decoding the utf-8 string. |
| */ |
| static uint64_t mxf_utf16len(const char *utf8_str) |
| { |
| const uint8_t *q = utf8_str; |
| uint64_t size = 0; |
| while (*q) { |
| uint32_t ch; |
| GET_UTF8(ch, *q++, goto invalid;) |
| if (ch < 0x10000) |
| size++; |
| else |
| size += 2; |
| continue; |
| invalid: |
| av_log(NULL, AV_LOG_ERROR, "Invalid UTF8 sequence in mxf_utf16len\n\n"); |
| } |
| size += 1; |
| return size; |
| } |
| |
| /* |
| * Returns the calculated length a local tag containing an utf-8 string as utf-16 |
| */ |
| static int mxf_utf16_local_tag_length(const char *utf8_str) |
| { |
| uint64_t size; |
| |
| if (!utf8_str) |
| return 0; |
| |
| size = mxf_utf16len(utf8_str); |
| if (size >= UINT16_MAX/2) { |
| av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size); |
| return 0; |
| } |
| |
| return 4 + size * 2; |
| } |
| |
| /* |
| * Write a local tag containing an utf-8 string as utf-16 |
| */ |
| static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value) |
| { |
| uint64_t size = mxf_utf16len(value); |
| |
| if (size >= UINT16_MAX/2) { |
| av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size); |
| return; |
| } |
| |
| mxf_write_local_tag(pb, size*2, tag); |
| avio_put_str16be(pb, value); |
| } |
| |
| static void store_version(AVFormatContext *s){ |
| AVIOContext *pb = s->pb; |
| |
| if (s->flags & AVFMT_FLAG_BITEXACT) { |
| avio_wb16(pb, 0); // major |
| avio_wb16(pb, 0); // minor |
| avio_wb16(pb, 0); // tertiary |
| } else { |
| avio_wb16(pb, LIBAVFORMAT_VERSION_MAJOR); // major |
| avio_wb16(pb, LIBAVFORMAT_VERSION_MINOR); // minor |
| avio_wb16(pb, LIBAVFORMAT_VERSION_MICRO); // tertiary |
| } |
| avio_wb16(pb, 0); // patch |
| avio_wb16(pb, 0); // release |
| } |
| |
| static void mxf_write_identification(AVFormatContext *s) |
| { |
| MXFContext *mxf = s->priv_data; |
| AVIOContext *pb = s->pb; |
| const char *company = "FFmpeg"; |
| const char *product = s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer"; |
| const char *version; |
| int length; |
| |
| mxf_write_metadata_key(pb, 0x013000); |
| PRINT_KEY(s, "identification key", pb->buf_ptr - 16); |
| |
| version = s->flags & AVFMT_FLAG_BITEXACT ? |
| "0.0.0" : AV_STRINGIFY(LIBAVFORMAT_VERSION); |
| length = 100 +mxf_utf16_local_tag_length(company) + |
| mxf_utf16_local_tag_length(product) + |
| mxf_utf16_local_tag_length(version); |
| 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(pb, 10, 0x3C03); // Product Version |
| store_version(s); |
| |
| 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); |
| |
| mxf_write_local_tag(pb, 10, 0x3C07); // Toolkit Version |
| store_version(s); |
| } |
| |
| static void mxf_write_content_storage(AVFormatContext *s, MXFPackage *packages, int package_count) |
| { |
| AVIOContext *pb = s->pb; |
| int i; |
| |
| mxf_write_metadata_key(pb, 0x011800); |
| PRINT_KEY(s, "content storage key", pb->buf_ptr - 16); |
| klv_encode_ber_length(pb, 60 + (16 * package_count)); |
| |
| // 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 * package_count + 8, 0x1901); |
| mxf_write_refs_count(pb, package_count); |
| for (i = 0; i < package_count; i++) { |
| mxf_write_uuid(pb, packages[i].type, packages[i].instance); |
| } |
| |
| // 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, MXFPackage *package) |
| { |
| 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, Track, mxf->track_instance_count); |
| 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 (package->type == MaterialPackage) |
| avio_wb32(pb, 0); // track number of material package is 0 |
| else |
| avio_write(pb, sc->track_essence_element_key + 12, 4); |
| |
| // write edit rate |
| mxf_write_local_tag(pb, 8, 0x4B01); |
| |
| if (st == mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer) { |
| avio_wb32(pb, mxf->tc.rate.num); |
| avio_wb32(pb, mxf->tc.rate.den); |
| } else { |
| 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, Sequence, mxf->track_instance_count); |
| } |
| |
| 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_codec_ul_by_id(ff_mxf_data_definition_uls, st->codecpar->codec_type); |
| avio_write(pb, data_def_ul->uid, 16); |
| } |
| |
| // write duration |
| mxf_write_local_tag(pb, 8, 0x0202); |
| |
| if (st != mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer && st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) { |
| avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count); |
| } else { |
| avio_wb64(pb, mxf->duration); |
| } |
| } |
| |
| static void mxf_write_sequence(AVFormatContext *s, AVStream *st, MXFPackage *package) |
| { |
| 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, Sequence, mxf->track_instance_count); |
| |
| 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; |
| |
| mxf_write_uuid(pb, component, mxf->track_instance_count); |
| } |
| |
| static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, MXFPackage *package) |
| { |
| 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, TimecodeComponent, mxf->track_instance_count); |
| |
| 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.flags & AV_TIMECODE_FLAG_DROPFRAME)); |
| } |
| |
| static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, MXFPackage *package) |
| { |
| MXFContext *mxf = s->priv_data; |
| 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, SourceClip, mxf->track_instance_count); |
| |
| 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 (!package->ref) { |
| for (i = 0; i < 4; i++) |
| avio_wb64(pb, 0); |
| } else |
| mxf_write_umid(s, package->ref->instance); |
| |
| // write source track id |
| mxf_write_local_tag(pb, 4, 0x1102); |
| if (package->type == SourcePackage && !package->ref) |
| avio_wb32(pb, 0); |
| else |
| avio_wb32(pb, st->index+2); |
| } |
| |
| static void mxf_write_tape_descriptor(AVFormatContext *s) |
| { |
| AVIOContext *pb = s->pb; |
| |
| mxf_write_metadata_key(pb, 0x012e00); |
| PRINT_KEY(s, "tape descriptor key", pb->buf_ptr - 16); |
| klv_encode_ber_length(pb, 20); |
| mxf_write_local_tag(pb, 16, 0x3C0A); |
| mxf_write_uuid(pb, TapeDescriptor, 0); |
| PRINT_KEY(s, "tape_desc uid", pb->buf_ptr - 16); |
| } |
| |
| |
| 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 + 16LL * 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 = *sc->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 int64_t mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key) |
| { |
| MXFContext *mxf = s->priv_data; |
| MXFStreamContext *sc = st->priv_data; |
| AVIOContext *pb = s->pb; |
| int64_t pos; |
| |
| avio_write(pb, key, 16); |
| klv_encode_ber4_length(pb, 0); |
| pos = avio_tell(pb); |
| |
| 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); |
| if (s->oformat == &ff_mxf_d10_muxer) { |
| avio_wb32(pb, mxf->time_base.den); |
| avio_wb32(pb, mxf->time_base.num); |
| } else { |
| if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S16LE || |
| st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) { |
| avio_wb32(pb, st->codecpar->sample_rate); |
| avio_wb32(pb, 1); |
| } else { |
| avio_wb32(pb, mxf->time_base.den); |
| avio_wb32(pb, mxf->time_base.num); |
| } |
| } |
| |
| mxf_write_local_tag(pb, 16, 0x3004); |
| avio_write(pb, *sc->container_ul, 16); |
| |
| return pos; |
| } |
| |
| static const UID mxf_s436m_anc_descriptor_key = { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x5c,0x00 }; |
| 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 const UID mxf_avc_subdescriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x6E,0x00 }; |
| |
| static inline uint16_t rescale_mastering_chroma(AVRational q) |
| { |
| return av_clip_uint16(av_rescale(q.num, FF_MXF_MASTERING_CHROMA_DEN, q.den)); |
| } |
| |
| static inline uint32_t rescale_mastering_luma(AVRational q) |
| { |
| return av_rescale(q.num, FF_MXF_MASTERING_LUMA_DEN, q.den); |
| } |
| |
| static int64_t mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key) |
| { |
| MXFStreamContext *sc = st->priv_data; |
| AVIOContext *pb = s->pb; |
| int stored_width = 0; |
| int stored_height = (st->codecpar->height+15)/16*16; |
| int display_height; |
| int f1, f2; |
| const MXFCodecUL *color_primaries_ul; |
| const MXFCodecUL *color_trc_ul; |
| const MXFCodecUL *color_space_ul; |
| int64_t pos = mxf_write_generic_desc(s, st, key); |
| uint8_t *side_data; |
| |
| color_primaries_ul = mxf_get_codec_ul_by_id(ff_mxf_color_primaries_uls, st->codecpar->color_primaries); |
| color_trc_ul = mxf_get_codec_ul_by_id(ff_mxf_color_trc_uls, st->codecpar->color_trc); |
| color_space_ul = mxf_get_codec_ul_by_id(ff_mxf_color_space_uls, st->codecpar->color_space); |
| |
| if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) { |
| if (st->codecpar->height == 1080) |
| stored_width = 1920; |
| else if (st->codecpar->height == 720) |
| stored_width = 1280; |
| } |
| if (!stored_width) |
| stored_width = (st->codecpar->width+15)/16*16; |
| |
| mxf_write_local_tag(pb, 4, 0x3203); |
| avio_wb32(pb, stored_width); |
| |
| mxf_write_local_tag(pb, 4, 0x3202); |
| avio_wb32(pb, stored_height>>sc->interlaced); |
| |
| if (s->oformat == &ff_mxf_d10_muxer) { |
| //Stored F2 Offset |
| mxf_write_local_tag(pb, 4, 0x3216); |
| avio_wb32(pb, 0); |
| |
| //Image Start Offset |
| mxf_write_local_tag(pb, 4, 0x3213); |
| avio_wb32(pb, 0); |
| |
| //Image End Offset |
| mxf_write_local_tag(pb, 4, 0x3214); |
| avio_wb32(pb, 0); |
| } |
| |
| //Sampled width |
| mxf_write_local_tag(pb, 4, 0x3205); |
| avio_wb32(pb, stored_width); |
| |
| //Samples height |
| mxf_write_local_tag(pb, 4, 0x3204); |
| avio_wb32(pb, st->codecpar->height>>sc->interlaced); |
| |
| //Sampled X Offset |
| mxf_write_local_tag(pb, 4, 0x3206); |
| avio_wb32(pb, 0); |
| |
| //Sampled Y Offset |
| mxf_write_local_tag(pb, 4, 0x3207); |
| avio_wb32(pb, 0); |
| |
| mxf_write_local_tag(pb, 4, 0x3209); |
| avio_wb32(pb, stored_width); |
| |
| if (st->codecpar->height == 608) // PAL + VBI |
| display_height = 576; |
| else if (st->codecpar->height == 512) // NTSC + VBI |
| display_height = 486; |
| else |
| display_height = st->codecpar->height; |
| |
| mxf_write_local_tag(pb, 4, 0x3208); |
| avio_wb32(pb, display_height>>sc->interlaced); |
| |
| // display X offset |
| mxf_write_local_tag(pb, 4, 0x320A); |
| avio_wb32(pb, 0); |
| |
| // display Y offset |
| mxf_write_local_tag(pb, 4, 0x320B); |
| avio_wb32(pb, (st->codecpar->height - display_height)>>sc->interlaced); |
| |
| if (sc->interlaced) { |
| //Display F2 Offset |
| mxf_write_local_tag(pb, 4, 0x3217); |
| avio_wb32(pb, -((st->codecpar->height - display_height)&1)); |
| } |
| |
| // component depth |
| mxf_write_local_tag(pb, 4, 0x3301); |
| avio_wb32(pb, sc->component_depth); |
| |
| // horizontal subsampling |
| mxf_write_local_tag(pb, 4, 0x3302); |
| avio_wb32(pb, sc->h_chroma_sub_sample); |
| |
| // vertical subsampling |
| mxf_write_local_tag(pb, 4, 0x3308); |
| avio_wb32(pb, sc->v_chroma_sub_sample); |
| |
| // color siting |
| mxf_write_local_tag(pb, 1, 0x3303); |
| avio_w8(pb, sc->color_siting); |
| |
| // Padding Bits |
| mxf_write_local_tag(pb, 2, 0x3307); |
| avio_wb16(pb, 0); |
| |
| if (st->codecpar->color_range != AVCOL_RANGE_UNSPECIFIED) { |
| int black = 0, |
| white = (1<<sc->component_depth) - 1, |
| color = (1<<sc->component_depth); |
| if (st->codecpar->color_range == AVCOL_RANGE_MPEG) { |
| black = 1 << (sc->component_depth - 4); |
| white = 235 << (sc->component_depth - 8); |
| color = (14 << (sc->component_depth - 4)) + 1; |
| } |
| mxf_write_local_tag(pb, 4, 0x3304); |
| avio_wb32(pb, black); |
| mxf_write_local_tag(pb, 4, 0x3305); |
| avio_wb32(pb, white); |
| mxf_write_local_tag(pb, 4, 0x3306); |
| avio_wb32(pb, color); |
| } |
| |
| if (sc->signal_standard) { |
| mxf_write_local_tag(pb, 1, 0x3215); |
| avio_w8(pb, sc->signal_standard); |
| } |
| |
| // frame layout |
| mxf_write_local_tag(pb, 1, 0x320C); |
| avio_w8(pb, sc->interlaced); |
| |
| // video line map |
| switch (st->codecpar->height) { |
| case 576: f1 = 23; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break; |
| case 608: f1 = 7; f2 = 320; break; |
| case 480: f1 = 20; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 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) { |
| f2 = 0; |
| f1 *= 2; |
| } |
| |
| |
| mxf_write_local_tag(pb, 16, 0x320D); |
| avio_wb32(pb, 2); |
| avio_wb32(pb, 4); |
| avio_wb32(pb, f1); |
| 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); |
| |
| if (color_primaries_ul->uid[0]) { |
| mxf_write_local_tag(pb, 16, 0x3219); |
| avio_write(pb, color_primaries_ul->uid, 16); |
| }; |
| |
| if (color_trc_ul->uid[0]) { |
| mxf_write_local_tag(pb, 16, 0x3210); |
| avio_write(pb, color_trc_ul->uid, 16); |
| }; |
| |
| if (color_space_ul->uid[0]) { |
| mxf_write_local_tag(pb, 16, 0x321A); |
| avio_write(pb, color_space_ul->uid, 16); |
| }; |
| |
| mxf_write_local_tag(pb, 16, 0x3201); |
| avio_write(pb, *sc->codec_ul, 16); |
| |
| // Mastering Display metadata |
| side_data = av_stream_get_side_data(st, AV_PKT_DATA_MASTERING_DISPLAY_METADATA, NULL); |
| if (side_data) { |
| const AVMasteringDisplayMetadata *metadata = (const AVMasteringDisplayMetadata*)side_data; |
| if (metadata->has_primaries) { |
| mxf_write_local_tag(pb, 12, ff_mxf_mastering_display_local_tags[0].local_tag); |
| avio_wb16(pb, rescale_mastering_chroma(metadata->display_primaries[0][0])); |
| avio_wb16(pb, rescale_mastering_chroma(metadata->display_primaries[0][1])); |
| avio_wb16(pb, rescale_mastering_chroma(metadata->display_primaries[1][0])); |
| avio_wb16(pb, rescale_mastering_chroma(metadata->display_primaries[1][1])); |
| avio_wb16(pb, rescale_mastering_chroma(metadata->display_primaries[2][0])); |
| avio_wb16(pb, rescale_mastering_chroma(metadata->display_primaries[2][1])); |
| mxf_write_local_tag(pb, 4, ff_mxf_mastering_display_local_tags[1].local_tag); |
| avio_wb16(pb, rescale_mastering_chroma(metadata->white_point[0])); |
| avio_wb16(pb, rescale_mastering_chroma(metadata->white_point[1])); |
| } else { |
| av_log(NULL, AV_LOG_VERBOSE, "Not writing mastering display primaries. Missing data.\n"); |
| } |
| if (metadata->has_luminance) { |
| mxf_write_local_tag(pb, 4, ff_mxf_mastering_display_local_tags[2].local_tag); |
| avio_wb32(pb, rescale_mastering_luma(metadata->max_luminance)); |
| mxf_write_local_tag(pb, 4, ff_mxf_mastering_display_local_tags[3].local_tag); |
| avio_wb32(pb, rescale_mastering_luma(metadata->min_luminance)); |
| } else { |
| av_log(NULL, AV_LOG_VERBOSE, "Not writing mastering display luminances. Missing data.\n"); |
| } |
| } |
| |
| if (sc->interlaced && sc->field_dominance) { |
| mxf_write_local_tag(pb, 1, 0x3212); |
| avio_w8(pb, sc->field_dominance); |
| } |
| |
| if (st->codecpar->codec_id == AV_CODEC_ID_H264 && !sc->avc_intra) { |
| // write avc sub descriptor ref |
| mxf_write_local_tag(pb, 8 + 16, 0x8100); |
| mxf_write_refs_count(pb, 1); |
| mxf_write_uuid(pb, AVCSubDescriptor, 0); |
| } |
| |
| return pos; |
| } |
| |
| static void mxf_update_klv_size(AVIOContext *pb, int64_t pos) |
| { |
| int64_t cur_pos = avio_tell(pb); |
| int size = cur_pos - pos; |
| avio_seek(pb, pos - 4, SEEK_SET); |
| klv_encode_ber4_length(pb, size); |
| avio_seek(pb, cur_pos, SEEK_SET); |
| } |
| |
| static void mxf_write_avc_subdesc(AVFormatContext *s, AVStream *st) |
| { |
| AVIOContext *pb = s->pb; |
| int64_t pos; |
| |
| avio_write(pb, mxf_avc_subdescriptor_key, 16); |
| klv_encode_ber4_length(pb, 0); |
| pos = avio_tell(pb); |
| |
| mxf_write_local_tag(pb, 16, 0x3C0A); |
| mxf_write_uuid(pb, AVCSubDescriptor, 0); |
| |
| mxf_write_local_tag(pb, 1, 0x8200); |
| avio_w8(pb, 0xFF); // AVC Decoding Delay, unknown |
| |
| mxf_write_local_tag(pb, 1, 0x8201); |
| avio_w8(pb, st->codecpar->profile); // AVC Profile |
| |
| mxf_write_local_tag(pb, 1, 0x8202); |
| avio_w8(pb, st->codecpar->level); // AVC Level |
| |
| mxf_update_klv_size(s->pb, pos); |
| } |
| |
| static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st) |
| { |
| int64_t pos = mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key); |
| mxf_update_klv_size(s->pb, pos); |
| |
| if (st->codecpar->codec_id == AV_CODEC_ID_H264) { |
| mxf_write_avc_subdesc(s, st); |
| } |
| } |
| |
| static void mxf_write_h264_desc(AVFormatContext *s, AVStream *st) |
| { |
| MXFStreamContext *sc = st->priv_data; |
| if (sc->avc_intra) { |
| mxf_write_mpegvideo_desc(s, st); |
| } else { |
| int64_t pos = mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key); |
| mxf_update_klv_size(s->pb, pos); |
| mxf_write_avc_subdesc(s, st); |
| } |
| } |
| |
| static void mxf_write_s436m_anc_desc(AVFormatContext *s, AVStream *st) |
| { |
| int64_t pos = mxf_write_generic_desc(s, st, mxf_s436m_anc_descriptor_key); |
| mxf_update_klv_size(s->pb, pos); |
| } |
| |
| static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st) |
| { |
| AVIOContext *pb = s->pb; |
| MXFStreamContext *sc = st->priv_data; |
| int profile_and_level = (st->codecpar->profile<<4) | st->codecpar->level; |
| int64_t pos = mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key); |
| |
| if (st->codecpar->codec_id != AV_CODEC_ID_H264) { |
| // bit rate |
| mxf_write_local_tag(pb, 4, 0x8000); |
| avio_wb32(pb, sc->video_bit_rate); |
| |
| // profile and level |
| mxf_write_local_tag(pb, 1, 0x8007); |
| if (!st->codecpar->profile) |
| profile_and_level |= 0x80; // escape bit |
| avio_w8(pb, profile_and_level); |
| |
| // low delay |
| mxf_write_local_tag(pb, 1, 0x8003); |
| avio_w8(pb, sc->low_delay); |
| |
| // closed gop |
| mxf_write_local_tag(pb, 1, 0x8004); |
| avio_w8(pb, sc->seq_closed_gop); |
| |
| // max gop |
| mxf_write_local_tag(pb, 2, 0x8006); |
| avio_wb16(pb, sc->max_gop); |
| |
| // b picture count |
| mxf_write_local_tag(pb, 2, 0x8008); |
| avio_wb16(pb, sc->b_picture_count); |
| } |
| |
| mxf_update_klv_size(pb, pos); |
| } |
| |
| static int64_t mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key) |
| { |
| AVIOContext *pb = s->pb; |
| MXFContext *mxf = s->priv_data; |
| int show_warnings = !mxf->footer_partition_offset; |
| int64_t pos = mxf_write_generic_desc(s, st, key); |
| |
| if (s->oformat == &ff_mxf_opatom_muxer) { |
| mxf_write_local_tag(pb, 8, 0x3002); |
| avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count); |
| } |
| |
| // 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->codecpar->sample_rate); |
| avio_wb32(pb, 1); |
| |
| if (s->oformat == &ff_mxf_d10_muxer) { |
| mxf_write_local_tag(pb, 1, 0x3D04); |
| avio_w8(pb, 0); |
| } |
| |
| mxf_write_local_tag(pb, 4, 0x3D07); |
| if (mxf->channel_count == -1) { |
| if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codecpar->channels != 4) && (st->codecpar->channels != 8)) |
| av_log(s, AV_LOG_WARNING, "the number of audio channels shall be 4 or 8 : the output will not comply to MXF D-10 specs, use -d10_channelcount to fix this\n"); |
| avio_wb32(pb, st->codecpar->channels); |
| } else if (s->oformat == &ff_mxf_d10_muxer) { |
| if (show_warnings && (mxf->channel_count < st->codecpar->channels)) |
| av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n"); |
| if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8)) |
| av_log(s, AV_LOG_WARNING, "d10_channelcount shall be set to 4 or 8 : the output will not comply to MXF D-10 specs\n"); |
| avio_wb32(pb, mxf->channel_count); |
| } else { |
| avio_wb32(pb, st->codecpar->channels); |
| } |
| |
| mxf_write_local_tag(pb, 4, 0x3D01); |
| avio_wb32(pb, av_get_bits_per_sample(st->codecpar->codec_id)); |
| |
| return pos; |
| } |
| |
| static int64_t mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key) |
| { |
| AVIOContext *pb = s->pb; |
| int64_t pos = mxf_write_generic_sound_common(s, st, key); |
| |
| mxf_write_local_tag(pb, 2, 0x3D0A); |
| avio_wb16(pb, st->codecpar->block_align); |
| |
| // avg bytes per sec |
| mxf_write_local_tag(pb, 4, 0x3D09); |
| avio_wb32(pb, st->codecpar->block_align*st->codecpar->sample_rate); |
| |
| return pos; |
| } |
| |
| static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st) |
| { |
| int64_t pos = mxf_write_wav_common(s, st, mxf_wav_descriptor_key); |
| mxf_update_klv_size(s->pb, pos); |
| } |
| |
| static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st) |
| { |
| int64_t pos = mxf_write_wav_common(s, st, mxf_aes3_descriptor_key); |
| mxf_update_klv_size(s->pb, pos); |
| } |
| |
| static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st) |
| { |
| int64_t pos = mxf_write_generic_sound_common(s, st, mxf_generic_sound_descriptor_key); |
| mxf_update_klv_size(s->pb, pos); |
| } |
| |
| static const uint8_t mxf_indirect_value_utf16le[] = { 0x4c,0x00,0x02,0x10,0x01,0x00,0x00,0x00,0x00,0x06,0x0e,0x2b,0x34,0x01,0x04,0x01,0x01 }; |
| |
| static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value) |
| { |
| MXFContext *mxf = s->priv_data; |
| AVIOContext *pb = s->pb; |
| int name_size = mxf_utf16_local_tag_length(name); |
| int indirect_value_size = 13 + mxf_utf16_local_tag_length(value); |
| |
| if (!name_size || indirect_value_size == 13) |
| return 1; |
| |
| mxf_write_metadata_key(pb, 0x013f00); |
| klv_encode_ber_length(pb, 24 + name_size + indirect_value_size); |
| |
| // write instance UID |
| mxf_write_local_tag(pb, 16, 0x3C0A); |
| mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count); |
| |
| // write name |
| mxf_write_local_tag_utf16(pb, 0x5001, name); // Name |
| |
| // write indirect value |
| mxf_write_local_tag(pb, indirect_value_size, 0x5003); |
| avio_write(pb, mxf_indirect_value_utf16le, 17); |
| avio_put_str16le(pb, value); |
| |
| mxf->tagged_value_count++; |
| return 0; |
| } |
| |
| static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m) |
| { |
| MXFContext *mxf = s->priv_data; |
| AVDictionaryEntry *t = NULL; |
| int count = 0; |
| |
| while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) { |
| if (mxf->tagged_value_count >= UINT16_MAX) { |
| av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n"); |
| return count; |
| } |
| |
| if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0) |
| count++; |
| } |
| return count; |
| } |
| |
| static void mxf_write_package(AVFormatContext *s, MXFPackage *package) |
| { |
| MXFContext *mxf = s->priv_data; |
| AVIOContext *pb = s->pb; |
| int i, track_count = s->nb_streams+1; |
| int name_size = mxf_utf16_local_tag_length(package->name); |
| int user_comment_count = 0; |
| |
| if (package->type == MaterialPackage) { |
| if (mxf->store_user_comments) |
| user_comment_count = mxf_write_user_comments(s, s->metadata); |
| mxf_write_metadata_key(pb, 0x013600); |
| PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16); |
| klv_encode_ber_length(pb, 92 + name_size + (16*track_count) + (16*user_comment_count) + 12LL*mxf->store_user_comments); |
| } else { |
| mxf_write_metadata_key(pb, 0x013700); |
| PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16); |
| klv_encode_ber_length(pb, 112 + name_size + (16*track_count) + 12LL*mxf->store_user_comments); // 20 bytes length for descriptor reference |
| } |
| |
| // write uid |
| mxf_write_local_tag(pb, 16, 0x3C0A); |
| mxf_write_uuid(pb, package->type, package->instance); |
| av_log(s, AV_LOG_DEBUG, "package type:%d\n", package->type); |
| PRINT_KEY(s, "package uid", pb->buf_ptr - 16); |
| |
| // write package umid |
| mxf_write_local_tag(pb, 32, 0x4401); |
| mxf_write_umid(s, package->instance); |
| PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16); |
| |
| // package name |
| if (name_size) |
| mxf_write_local_tag_utf16(pb, 0x4402, package->name); |
| |
| // 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); |
| // these are the uuids of the tracks the will be written in mxf_write_track |
| for (i = 0; i < track_count; i++) |
| mxf_write_uuid(pb, Track, mxf->track_instance_count + i); |
| |
| // write user comment refs |
| if (mxf->store_user_comments) { |
| mxf_write_local_tag(pb, user_comment_count*16 + 8, 0x4406); |
| mxf_write_refs_count(pb, user_comment_count); |
| for (i = 0; i < user_comment_count; i++) |
| mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i); |
| } |
| |
| // write multiple descriptor reference |
| if (package->type == SourcePackage && package->instance == 1) { |
| 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); |
| } else if (package->type == SourcePackage && package->instance == 2) { |
| mxf_write_local_tag(pb, 16, 0x4701); |
| mxf_write_uuid(pb, TapeDescriptor, 0); |
| mxf_write_tape_descriptor(s); |
| } |
| |
| /* |
| * for every 1 track in a package there is 1 sequence and 1 component. |
| * all 3 of these elements share the same instance number for generating |
| * there instance uuids. mxf->track_instance_count stores this value. |
| * mxf->track_instance_count is incremented after a group of all 3 of |
| * these elements are written. |
| */ |
| |
| // write timecode track |
| mxf_write_track(s, mxf->timecode_track, package); |
| mxf_write_sequence(s, mxf->timecode_track, package); |
| mxf_write_timecode_component(s, mxf->timecode_track, package); |
| mxf->track_instance_count++; |
| |
| for (i = 0; i < s->nb_streams; i++) { |
| AVStream *st = s->streams[i]; |
| mxf_write_track(s, st, package); |
| mxf_write_sequence(s, st, package); |
| mxf_write_structural_component(s, st, package); |
| mxf->track_instance_count++; |
| |
| if (package->type == SourcePackage && package->instance == 1) { |
| 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) |
| { |
| MXFContext *mxf = s->priv_data; |
| AVDictionaryEntry *entry = NULL; |
| AVStream *st = NULL; |
| int i; |
| MXFPackage packages[3] = {{0}}; |
| int package_count = 2; |
| packages[0].type = MaterialPackage; |
| packages[1].type = SourcePackage; |
| packages[1].instance = 1; |
| packages[0].ref = &packages[1]; |
| |
| |
| if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0)) |
| packages[0].name = entry->value; |
| |
| if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) { |
| packages[1].name = entry->value; |
| } else { |
| /* check if any of the streams contain a file_package_name */ |
| for (i = 0; i < s->nb_streams; i++) { |
| st = s->streams[i]; |
| if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) { |
| packages[1].name = entry->value; |
| break; |
| } |
| } |
| } |
| |
| entry = av_dict_get(s->metadata, "reel_name", NULL, 0); |
| if (entry) { |
| packages[2].name = entry->value; |
| packages[2].type = SourcePackage; |
| packages[2].instance = 2; |
| packages[1].ref = &packages[2]; |
| package_count = 3; |
| } |
| |
| mxf_write_preface(s); |
| mxf_write_identification(s); |
| mxf_write_content_storage(s, packages, package_count); |
| mxf->track_instance_count = 0; |
| for (i = 0; i < package_count; i++) |
| mxf_write_package(s, &packages[i]); |
| 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; |
| int prev_non_b_picture = 0; |
| int audio_frame_size = 0; |
| int64_t pos; |
| |
| 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); |
| |
| klv_encode_ber4_length(pb, 0); |
| pos = avio_tell(pb); |
| |
| // 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); |
| |
| // real slice count - 1 |
| mxf_write_local_tag(pb, 1, 0x3F08); |
| avio_w8(pb, !mxf->edit_unit_byte_count); // only one slice for CBR |
| |
| // 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 |
| // write each stream delta entry |
| 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 (mxf->edit_unit_byte_count) { |
| avio_w8(pb, 0); // slice number |
| avio_wb32(pb, sc->slice_offset); |
| } else if (i == 0) { // video track |
| avio_w8(pb, 0); // slice number |
| avio_wb32(pb, KAG_SIZE); // system item size including klv fill |
| } else { // audio or data track |
| if (!audio_frame_size) { |
| audio_frame_size = sc->frame_size; |
| audio_frame_size += klv_fill_size(audio_frame_size); |
| } |
| avio_w8(pb, 1); |
| avio_wb32(pb, (i-1)*audio_frame_size); // element delta |
| } |
| } |
| |
| if (!mxf->edit_unit_byte_count) { |
| MXFStreamContext *sc = s->streams[0]->priv_data; |
| mxf_write_local_tag(pb, 8 + mxf->edit_units_count*15, 0x3F0A); |
| avio_wb32(pb, mxf->edit_units_count); // num of entries |
| avio_wb32(pb, 15); // 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 |
| sc->max_gop = FFMAX(sc->max_gop, i - mxf->last_key_index); |
| 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 |
| sc->b_picture_count = FFMAX(sc->b_picture_count, i - prev_non_b_picture); |
| 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; |
| prev_non_b_picture = i; |
| } |
| |
| 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); |
| else |
| avio_wb32(pb, 0); |
| } |
| |
| mxf->last_key_index = key_index - mxf->edit_units_count; |
| mxf->last_indexed_edit_unit += mxf->edit_units_count; |
| mxf->edit_units_count = 0; |
| } |
| |
| mxf_update_klv_size(pb, pos); |
| } |
| |
| 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); |
| ffio_fill(s->pb, 0, pad); |
| av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1))); |
| } |
| } |
| |
| static int 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); |
| int err; |
| |
| 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*15; |
| else if (mxf->edit_unit_byte_count && indexsid) |
| index_byte_count = 80; |
| |
| if (index_byte_count) { |
| index_byte_count += 16 + 4; // add encoded ber4 length |
| index_byte_count += klv_fill_size(index_byte_count); |
| } |
| |
| if (key && !memcmp(key, body_partition_key, 16)) { |
| if ((err = av_reallocp_array(&mxf->body_partition_offset, mxf->body_partitions_count + 1, |
| sizeof(*mxf->body_partition_offset))) < 0) { |
| mxf->body_partitions_count = 0; |
| return err; |
| } |
| mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset; |
| } |
| |
| // write klv |
| if (key) |
| avio_write(pb, key, 16); |
| else |
| avio_write(pb, body_partition_key, 16); |
| |
| klv_encode_ber4_length(pb, 88 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count)); |
| |
| // write partition value |
| avio_wb16(pb, 1); // majorVersion |
| avio_wb16(pb, 3); // minorVersion |
| avio_wb32(pb, KAG_SIZE); // KAGSize |
| |
| avio_wb64(pb, partition_offset); // ThisPartition |
| |
| if (key && !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 (key && !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 && s->oformat != &ff_mxf_opatom_muxer) |
| avio_wb64(pb, mxf->body_offset); |
| else |
| avio_wb64(pb, 0); |
| |
| avio_wb32(pb, bodysid); // bodySID |
| |
| // operational pattern |
| if (s->oformat == &ff_mxf_opatom_muxer) |
| avio_write(pb, opatom_ul, 16); |
| else |
| 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_klv_fill(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); |
| } |
| |
| if(key) |
| avio_write_marker(pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT); |
| |
| return 0; |
| } |
| |
| static const struct { |
| int profile; |
| UID codec_ul; |
| } mxf_prores_codec_uls[] = { |
| { FF_PROFILE_PRORES_PROXY, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x01,0x00 } }, |
| { FF_PROFILE_PRORES_LT, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x02,0x00 } }, |
| { FF_PROFILE_PRORES_STANDARD, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x03,0x00 } }, |
| { FF_PROFILE_PRORES_HQ, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x04,0x00 } }, |
| { FF_PROFILE_PRORES_4444, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x05,0x00 } }, |
| { FF_PROFILE_PRORES_XQ, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x06,0x00 } }, |
| }; |
| |
| static int mxf_parse_prores_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt) |
| { |
| MXFContext *mxf = s->priv_data; |
| MXFStreamContext *sc = st->priv_data; |
| int i, profile; |
| |
| if (mxf->header_written) |
| return 1; |
| |
| sc->codec_ul = NULL; |
| profile = st->codecpar->profile; |
| for (i = 0; i < FF_ARRAY_ELEMS(mxf_prores_codec_uls); i++) { |
| if (profile == mxf_prores_codec_uls[i].profile) { |
| sc->codec_ul = &mxf_prores_codec_uls[i].codec_ul; |
| break; |
| } |
| } |
| if (!sc->codec_ul) |
| return 0; |
| |
| sc->frame_size = pkt->size; |
| |
| return 1; |
| } |
| |
| static const struct { |
| int cid; |
| UID codec_ul; |
| } mxf_dnxhd_codec_uls[] = { |
| { 1235, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 } }, // 1080p 10bit HIGH |
| { 1237, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 } }, // 1080p 8bit MED |
| { 1238, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 } }, // 1080p 8bit HIGH |
| { 1241, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 } }, // 1080i 10bit HIGH |
| { 1242, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 } }, // 1080i 8bit MED |
| { 1243, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 } }, // 1080i 8bit HIGH |
| { 1244, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x0a,0x00,0x00 } }, // 1080i 8bit TR |
| { 1250, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 } }, // 720p 10bit |
| { 1251, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 } }, // 720p 8bit HIGH |
| { 1252, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 } }, // 720p 8bit MED |
| { 1253, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 } }, // 720p 8bit LOW |
| { 1256, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x16,0x00,0x00 } }, // 1080p 10bit 444 |
| { 1258, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x18,0x00,0x00 } }, // 720p 8bit TR |
| { 1259, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x19,0x00,0x00 } }, // 1080p 8bit TR |
| { 1260, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x1a,0x00,0x00 } }, // 1080i 8bit TR MBAFF |
| { 1270, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x24,0x00,0x00 } }, // DNXHR 444 |
| { 1271, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x25,0x00,0x00 } }, // DNXHR HQX |
| { 1272, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x26,0x00,0x00 } }, // DNXHR HQ |
| { 1273, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x27,0x00,0x00 } }, // DNXHR SQ |
| { 1274, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x28,0x00,0x00 } }, // DNXHR LB |
| }; |
| |
| static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt) |
| { |
| MXFContext *mxf = s->priv_data; |
| MXFStreamContext *sc = st->priv_data; |
| int i, cid, frame_size = 0; |
| |
| if (mxf->header_written) |
| return 1; |
| |
| if (pkt->size < 43) |
| return 0; |
| |
| sc->codec_ul = NULL; |
| cid = AV_RB32(pkt->data + 0x28); |
| for (i = 0; i < FF_ARRAY_ELEMS(mxf_dnxhd_codec_uls); i++) { |
| if (cid == mxf_dnxhd_codec_uls[i].cid) { |
| sc->codec_ul = &mxf_dnxhd_codec_uls[i].codec_ul; |
| break; |
| } |
| } |
| if (!sc->codec_ul) |
| return 0; |
| |
| sc->component_depth = 0; |
| switch (pkt->data[0x21] >> 5) { |
| case 1: sc->component_depth = 8; break; |
| case 2: sc->component_depth = 10; break; |
| case 3: sc->component_depth = 12; break; |
| } |
| if (!sc->component_depth) |
| return 0; |
| |
| if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) == DNXHD_VARIABLE) { |
| frame_size = avpriv_dnxhd_get_hr_frame_size(cid, st->codecpar->width, st->codecpar->height); |
| } |
| if (frame_size < 0) |
| return 0; |
| |
| if ((sc->interlaced = avpriv_dnxhd_get_interlaced(cid)) < 0) |
| return 0; |
| |
| if (cid >= 1270) { // RI raster |
| av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den, |
| st->codecpar->width, st->codecpar->height, |
| INT_MAX); |
| } else { |
| sc->aspect_ratio = (AVRational){ 16, 9 }; |
| } |
| |
| sc->frame_size = pkt->size; |
| |
| return 1; |
| } |
| |
| static const struct { |
| const UID container_ul; |
| const UID codec_ul; |
| } mxf_dv_uls[] = { |
| { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x01,0x01 }, // IEC DV25 525/60 |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x01,0x00 } }, |
| { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x02,0x01 }, // IEC DV25 626/50 |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x02,0x00 } }, |
| { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 }, // DV25 525/60 |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 }, }, |
| { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 }, // DV25 625/50 |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 }, }, |
| { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 }, // DV50 525/60 |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 }, }, |
| { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 }, // DV50 625/50 |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 }, }, |
| { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 }, // DV100 1080/60 |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 }, }, |
| { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 }, // DV100 1080/50 |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 }, }, |
| { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 }, // DV100 720/60 |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 }, }, |
| { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 }, // DV100 720/50 |
| { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 }, }, |
| }; |
| |
| static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt) |
| { |
| MXFContext *mxf = s->priv_data; |
| MXFStreamContext *sc = st->priv_data; |
| uint8_t *vs_pack, *vsc_pack; |
| int apt, ul_index, stype, pal; |
| |
| if (mxf->header_written) |
| return 1; |
| |
| // Check for minimal frame size |
| if (pkt->size < 120000) |
| return -1; |
| |
| apt = pkt->data[4] & 0x7; |
| vs_pack = pkt->data + 80*5 + 48; |
| vsc_pack = pkt->data + 80*5 + 53; |
| stype = vs_pack[3] & 0x1f; |
| pal = (vs_pack[3] >> 5) & 0x1; |
| |
| if ((vsc_pack[2] & 0x07) == 0x02) { |
| sc->aspect_ratio = (AVRational){ 16, 9 }; |
| } else { |
| sc->aspect_ratio = (AVRational){ 4, 3 }; |
| } |
| |
| sc->interlaced = (vsc_pack[3] >> 4) & 0x01; |
| // TODO: fix dv encoder to set proper FF/FS value in VSC pack |
| // and set field dominance accordingly |
| // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6); |
| |
| switch (stype) { |
| case 0x18: // DV100 720p |
| ul_index = 8+pal; |
| if (sc->interlaced) { |
| av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n"); |
| sc->interlaced = 0; |
| } |
| break; |
| case 0x14: // DV100 1080i |
| ul_index = 6+pal; |
| break; |
| case 0x04: // DV50 |
| ul_index = 4+pal; |
| break; |
| default: // DV25 |
| if (!apt) { // IEC |
| ul_index = 0+pal; |
| } else { |
| ul_index = 2+pal; |
| } |
| } |
| |
| sc->container_ul = &mxf_dv_uls[ul_index].container_ul; |
| sc->codec_ul = &mxf_dv_uls[ul_index].codec_ul; |
| |
| sc->frame_size = pkt->size; |
| |
| return 1; |
| } |
| |
| static const struct { |
| UID uid; |
| int frame_size; |
| int profile; |
| uint8_t interlaced; |
| int intra_only; // 1 or 0 when there are separate UIDs for Long GOP and Intra, -1 when Intra/LGOP detection can be ignored |
| } mxf_h264_codec_uls[] = { |
| {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x11,0x01 }, 0, 66, 0, -1 }, // AVC Baseline |
| {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x20,0x01 }, 0, 77, 0, -1 }, // AVC Main |
| {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x30,0x01 }, 0, 88, 0, -1 }, // AVC Extended |
| {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x40,0x01 }, 0, 100, 0, -1 }, // AVC High |
| {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x50,0x01 }, 0, 110, 0, 0 }, // AVC High 10 |
| {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x60,0x01 }, 0, 122, 0, 0 }, // AVC High 422 |
| {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x70,0x01 }, 0, 244, 0, 0 }, // AVC High 444 |
| {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0, 1 }, // AVC High 10 Intra |
| {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 110, 1, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/59.94i |
| {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 110, 1, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/50i |
| {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/29.97p |
| {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/25p |
| {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 720/59.94p |
| {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 720/50p |
| {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0, 1 }, // AVC High 422 Intra |
| {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 122, 1, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/59.94i |
| {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 122, 1, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/50i |
| {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/29.97p |
| {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/25p |
| {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 720/59.94p |
| {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 720/50p |
| {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x40,0x01 }, 0, 244, 0, 1 }, // AVC High 444 Intra |
| {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x50,0x01 }, 0, 44, 0, -1 }, // AVC CAVLC 444 |
| }; |
| |
| static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st, |
| AVPacket *pkt, MXFIndexEntry *e) |
| { |
| MXFContext *mxf = s->priv_data; |
| MXFStreamContext *sc = st->priv_data; |
| H264SPS seq, *const sps = &seq; |
| GetBitContext gb; |
| const uint8_t *buf = pkt->data; |
| const uint8_t *buf_end = pkt->data + pkt->size; |
| const uint8_t *nal_end; |
| uint32_t state = -1; |
| int extra_size = 512; // support AVC Intra files without SPS/PPS header |
| int i, frame_size, slice_type, has_sps = 0, intra_only = 0, ret; |
| |
| for (;;) { |
| buf = avpriv_find_start_code(buf, buf_end, &state); |
| if (buf >= buf_end) |
| break; |
| |
| switch (state & 0x1f) { |
| case H264_NAL_SPS: |
| e->flags |= 0x40; |
| |
| if (mxf->header_written) |
| break; |
| |
| nal_end = ff_avc_find_startcode(buf, buf_end); |
| ret = ff_avc_decode_sps(sps, buf, nal_end - buf); |
| if (ret < 0) { |
| av_log(s, AV_LOG_ERROR, "error parsing sps\n"); |
| return 0; |
| } |
| has_sps = 1; |
| |
| sc->aspect_ratio.num = st->codecpar->width * sps->sar.num; |
| sc->aspect_ratio.den = st->codecpar->height * sps->sar.den; |
| av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den, |
| sc->aspect_ratio.num, sc->aspect_ratio.den, 1024*1024); |
| intra_only = (sps->constraint_set_flags >> 3) & 1; |
| sc->interlaced = !sps->frame_mbs_only_flag; |
| sc->component_depth = sps->bit_depth_luma; |
| |
| buf = nal_end; |
| break; |
| case H264_NAL_PPS: |
| if (e->flags & 0x40) { // sequence header present |
| e->flags |= 0x80; // random access |
| extra_size = 0; |
| } |
| break; |
| case H264_NAL_IDR_SLICE: |
| e->flags |= 0x04; // IDR Picture |
| buf = buf_end; |
| break; |
| case H264_NAL_SLICE: |
| init_get_bits8(&gb, buf, buf_end - buf); |
| get_ue_golomb_long(&gb); // skip first_mb_in_slice |
| slice_type = get_ue_golomb_31(&gb); |
| switch (slice_type % 5) { |
| case 0: |
| e->flags |= 0x20; // P Picture |
| e->flags |= 0x06; // P Picture |
| break; |
| case 1: |
| e->flags |= 0x30; // B Picture |
| e->flags |= 0x03; // non-referenced B Picture |
| break; |
| } |
| buf = buf_end; |
| break; |
| default: |
| break; |
| } |
| } |
| |
| if (mxf->header_written) |
| return 1; |
| |
| if (!has_sps) |
| sc->interlaced = st->codecpar->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0; |
| sc->codec_ul = NULL; |
| frame_size = pkt->size + extra_size; |
| |
| for (i = 0; i < FF_ARRAY_ELEMS(mxf_h264_codec_uls); i++) { |
| if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) { |
| sc->codec_ul = &mxf_h264_codec_uls[i].uid; |
| sc->component_depth = 10; // AVC Intra is always 10 Bit |
| sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD |
| st->codecpar->profile = mxf_h264_codec_uls[i].profile; |
| sc->avc_intra = 1; |
| mxf->cbr_index = 1; |
| sc->frame_size = pkt->size; |
| if (sc->interlaced) |
| sc->field_dominance = 1; // top field first is mandatory for AVC Intra |
| break; |
| } else if (has_sps && mxf_h264_codec_uls[i].frame_size == 0 && |
| mxf_h264_codec_uls[i].profile == sps->profile_idc && |
| (mxf_h264_codec_uls[i].intra_only < 0 || |
| mxf_h264_codec_uls[i].intra_only == intra_only)) { |
| sc->codec_ul = &mxf_h264_codec_uls[i].uid; |
| st->codecpar->profile = sps->profile_idc; |
| st->codecpar->level = sps->level_idc; |
| // continue to check for avc intra |
| } |
| } |
| |
| if (!sc->codec_ul) { |
| av_log(s, AV_LOG_ERROR, "h264 profile not supported\n"); |
| return 0; |
| } |
| |
| return 1; |
| } |
| |
| 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(AVCodecParameters *par) |
| { |
| int long_gop = 1; |
| |
| if (par->profile == 4) { // Main |
| if (par->level == 8) // Main |
| return &mxf_mpeg2_codec_uls[0+long_gop]; |
| else if (par->level == 4) // High |
| return &mxf_mpeg2_codec_uls[4+long_gop]; |
| else if (par->level == 6) // High 14 |
| return &mxf_mpeg2_codec_uls[8+long_gop]; |
| } else if (par->profile == 0) { // 422 |
| if (par->level == 5) // Main |
| return &mxf_mpeg2_codec_uls[2+long_gop]; |
| else if (par->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->codecpar->profile = pkt->data[i+1] & 0x07; |
| st->codecpar->level = pkt->data[i+2] >> 4; |
| sc->low_delay = pkt->data[i+6] >> 7; |
| } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext |
| sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame |
| if (sc->interlaced) |
| sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first |
| break; |
| } |
| } else if (c == 0x1b8) { // gop |
| if (pkt->data[i+4]>>6 & 0x01) { // closed |
| if (sc->seq_closed_gop == -1) |
| sc->seq_closed_gop = 1; |
| sc->closed_gop = 1; |
| if (e->flags & 0x40) // sequence header present |
| e->flags |= 0x80; // random access |
| } else { |
| sc->seq_closed_gop = 0; |
| sc->closed_gop = 0; |
| } |
| } 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->codecpar->width, st->codecpar->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->codecpar); |
| return !!sc->codec_ul; |
| } |
| |
| static uint64_t mxf_parse_timestamp(int64_t timestamp64) |
| { |
| time_t timestamp = timestamp64 / 1000000; |
| struct tm tmbuf; |
| struct tm *time = gmtime_r(×tamp, &tmbuf); |
| 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 | |
| (timestamp64 % 1000000) / 4000; |
| } |
| |
| 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 & 0xFFFFFF; |
| } |
| |
| static int mxf_init_timecode(AVFormatContext *s, AVStream *st, AVRational tbc) |
| { |
| MXFContext *mxf = s->priv_data; |
| AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0); |
| |
| if (!ff_mxf_get_content_package_rate(tbc)) { |
| if (s->strict_std_compliance > FF_COMPLIANCE_UNOFFICIAL) { |
| av_log(s, AV_LOG_ERROR, "Unsupported frame rate %d/%d. Set -strict option to 'unofficial' or lower in order to allow it!\n", tbc.den, tbc.num); |
| return AVERROR(EINVAL); |
| } else { |
| av_log(s, AV_LOG_WARNING, "Unofficial frame rate %d/%d.\n", tbc.den, tbc.num); |
| } |
| } |
| |
| mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num; |
| if (!tcr) |
| tcr = av_dict_get(st->metadata, "timecode", NULL, 0); |
| |
| if (tcr) |
| return av_timecode_init_from_string(&mxf->tc, av_inv_q(tbc), tcr->value, s); |
| else |
| return av_timecode_init(&mxf->tc, av_inv_q(tbc), 0, 0, s); |
| } |
| |
| static int mxf_write_header(AVFormatContext *s) |
| { |
| MXFContext *mxf = s->priv_data; |
| int i, ret; |
| uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0}; |
| int64_t timestamp = 0; |
| |
| if (!s->nb_streams) |
| return -1; |
| |
| if (s->oformat == &ff_mxf_opatom_muxer && s->nb_streams !=1) { |
| av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n"); |
| return -1; |
| } |
| |
| if (!av_dict_get(s->metadata, "comment_", NULL, AV_DICT_IGNORE_SUFFIX)) |
| mxf->store_user_comments = 0; |
| |
| 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; |
| sc->index = -1; |
| |
| if (((i == 0) ^ (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)) && s->oformat != &ff_mxf_opatom_muxer) { |
| av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n"); |
| return -1; |
| } |
| |
| if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) { |
| const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codecpar->format); |
| // TODO: should be avg_frame_rate |
| AVRational tbc = st->time_base; |
| // Default component depth to 8 |
| sc->component_depth = 8; |
| sc->h_chroma_sub_sample = 2; |
| sc->v_chroma_sub_sample = 2; |
| sc->color_siting = 0xFF; |
| |
| if (st->codecpar->sample_aspect_ratio.num && st->codecpar->sample_aspect_ratio.den) { |
| sc->aspect_ratio = av_mul_q(st->codecpar->sample_aspect_ratio, |
| av_make_q(st->codecpar->width, st->codecpar->height)); |
| } |
| |
| if (pix_desc) { |
| sc->component_depth = pix_desc->comp[0].depth; |
| sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w; |
| sc->v_chroma_sub_sample = 1 << pix_desc->log2_chroma_h; |
| } |
| switch (ff_choose_chroma_location(s, st)) { |
| case AVCHROMA_LOC_TOPLEFT: sc->color_siting = 0; break; |
| case AVCHROMA_LOC_LEFT: sc->color_siting = 6; break; |
| case AVCHROMA_LOC_TOP: sc->color_siting = 1; break; |
| case AVCHROMA_LOC_CENTER: sc->color_siting = 3; break; |
| } |
| |
| mxf->content_package_rate = ff_mxf_get_content_package_rate(tbc); |
| mxf->time_base = tbc; |
| avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den); |
| if((ret = mxf_init_timecode(s, st, tbc)) < 0) |
| return ret; |
| |
| if (st->codecpar->codec_id == AV_CODEC_ID_MPEG2VIDEO) { |
| sc->seq_closed_gop = -1; // unknown yet |
| } |
| |
| sc->video_bit_rate = st->codecpar->bit_rate; |
| |
| if (s->oformat == &ff_mxf_d10_muxer || |
| st->codecpar->codec_id == AV_CODEC_ID_DNXHD || |
| st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) |
| mxf->cbr_index = 1; |
| |
| if (s->oformat == &ff_mxf_d10_muxer) { |
| int ntsc = mxf->time_base.den != 25; |
| int ul_index; |
| |
| if (st->codecpar->codec_id != AV_CODEC_ID_MPEG2VIDEO) { |
| av_log(s, AV_LOG_ERROR, "error MXF D-10 only support MPEG-2 Video\n"); |
| return AVERROR(EINVAL); |
| } |
| if ((sc->video_bit_rate == 50000000) && (mxf->time_base.den == 25)) { |
| ul_index = 0; |
| } else if ((sc->video_bit_rate == 49999840 || sc->video_bit_rate == 50000000) && ntsc) { |
| ul_index = 1; |
| } else if (sc->video_bit_rate == 40000000) { |
| ul_index = 2+ntsc; |
| } else if (sc->video_bit_rate == 30000000) { |
| ul_index = 4+ntsc; |
| } else { |
| av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n"); |
| return -1; |
| } |
| |
| sc->codec_ul = &mxf_d10_codec_uls[ul_index]; |
| sc->container_ul = &mxf_d10_container_uls[ul_index]; |
| sc->index = INDEX_D10_VIDEO; |
| sc->signal_standard = 1; |
| sc->color_siting = 0; |
| sc->frame_size = (int64_t)sc->video_bit_rate * |
| mxf->time_base.num / (8*mxf->time_base.den); |
| } |
| if (mxf->signal_standard >= 0) |
| sc->signal_standard = mxf->signal_standard; |
| } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) { |
| char bsf_arg[32]; |
| if (st->codecpar->sample_rate != 48000) { |
| av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n"); |
| return -1; |
| } |
| avpriv_set_pts_info(st, 64, 1, st->codecpar->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->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE && |
| st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) { |
| av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n"); |
| } |
| sc->index = INDEX_D10_AUDIO; |
| sc->container_ul = ((MXFStreamContext*)s->streams[0]->priv_data)->container_ul; |
| sc->frame_size = 4 + 8 * av_rescale_rnd(st->codecpar->sample_rate, mxf->time_base.num, mxf->time_base.den, AV_ROUND_UP) * 4; |
| } else if (s->oformat == &ff_mxf_opatom_muxer) { |
| AVRational tbc = av_inv_q(mxf->audio_edit_rate); |
| |
| if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE && |
| st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) { |
| av_log(s, AV_LOG_ERROR, "Only pcm_s16le and pcm_s24le audio codecs are implemented\n"); |
| return AVERROR_PATCHWELCOME; |
| } |
| if (st->codecpar->channels != 1) { |
| av_log(s, AV_LOG_ERROR, "MXF OPAtom only supports single channel audio\n"); |
| return AVERROR(EINVAL); |
| } |
| |
| mxf->time_base = st->time_base; |
| if((ret = mxf_init_timecode(s, st, tbc)) < 0) |
| return ret; |
| |
| mxf->edit_unit_byte_count = (av_get_bits_per_sample(st->codecpar->codec_id) * st->codecpar->channels) >> 3; |
| sc->index = INDEX_WAV; |
| } else { |
| mxf->slice_count = 1; |
| sc->frame_size = st->codecpar->channels * |
| av_rescale_rnd(st->codecpar->sample_rate, mxf->time_base.num, mxf->time_base.den, AV_ROUND_UP) * |
| av_get_bits_per_sample(st->codecpar->codec_id) / 8; |
| } |
| snprintf(bsf_arg, sizeof(bsf_arg), "r=%d/%d", mxf->tc.rate.num, mxf->tc.rate.den); |
| ret = ff_stream_add_bitstream_filter(st, "pcm_rechunk", bsf_arg); |
| if (ret < 0) |
| return ret; |
| } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) { |
| AVDictionaryEntry *e = av_dict_get(st->metadata, "data_type", NULL, 0); |
| if (e && !strcmp(e->value, "vbi_vanc_smpte_436M")) { |
| sc->index = INDEX_S436M; |
| } else { |
| av_log(s, AV_LOG_ERROR, "track %d: unsupported data type\n", i); |
| return -1; |
| } |
| if (st->index != s->nb_streams - 1) { |
| av_log(s, AV_LOG_ERROR, "data track must be placed last\n"); |
| return -1; |
| } |
| } |
| |
| if (sc->index == -1) { |
| sc->index = mxf_get_essence_container_ul_index(st->codecpar->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->codec_ul) |
| sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul; |
| if (!sc->container_ul) |
| sc->container_ul = &mxf_essence_container_uls[sc->index].container_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 || s->oformat == &ff_mxf_opatom_muxer) { |
| mxf->essence_container_count = 1; |
| } |
| |
| if (!(s->flags & AVFMT_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]; |
| if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[INDEX_DV].element_ul, 13)) // DV |
| sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13); |
| else |
| sc->order = AV_RB32(sc->track_essence_element_key+12); |
| } |
| |
| if (ff_parse_creation_time_metadata(s, ×tamp, 0) > 0) |
| 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; |
| |
| 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; |
| int i, system_item_bitmap = 0x58; // UL, user date/time stamp, picture present |
| |
| frame = 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); |
| |
| for (i = 0; i < s->nb_streams; i++) { |
| if (s->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) |
| system_item_bitmap |= 0x4; |
| else if (s->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_DATA) |
| system_item_bitmap |= 0x2; |
| } |
| avio_w8(pb, system_item_bitmap); |
| avio_w8(pb, mxf->content_package_rate); // content package rate |
| avio_w8(pb, 0x00); // content package type |
| avio_wb16(pb, 0x00); // channel handle |
| avio_wb16(pb, frame & 0xFFFF); // continuity count, supposed to overflow |
| if (mxf->essence_container_count > 1) |
| avio_write(pb, multiple_desc_ul, 16); |
| else { |
| MXFStreamContext *sc = s->streams[0]->priv_data; |
| avio_write(pb, *sc->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 = av_timecode_get_smpte_from_framenum(&mxf->tc, frame); |
| 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_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt) |
| { |
| MXFContext *mxf = s->priv_data; |
| AVIOContext *pb = s->pb; |
| int frame_size = pkt->size / st->codecpar->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->codecpar->channels)-1); |
| |
| while (samples < end) { |
| for (i = 0; i < st->codecpar->channels; i++) { |
| uint32_t sample; |
| if (st->codecpar->codec_id == AV_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_opatom_body_partition(AVFormatContext *s) |
| { |
| MXFContext *mxf = s->priv_data; |
| AVIOContext *pb = s->pb; |
| AVStream *st = s->streams[0]; |
| MXFStreamContext *sc = st->priv_data; |
| const uint8_t *key = NULL; |
| |
| int err; |
| |
| if (!mxf->header_written) |
| key = body_partition_key; |
| |
| if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0) |
| return err; |
| mxf_write_klv_fill(s); |
| avio_write(pb, sc->track_essence_element_key, 16); |
| klv_encode_ber9_length(pb, mxf->body_offset); |
| return 0; |
| } |
| |
| static int mxf_write_opatom_packet(AVFormatContext *s, AVPacket *pkt, MXFIndexEntry *ie) |
| { |
| MXFContext *mxf = s->priv_data; |
| AVIOContext *pb = s->pb; |
| |
| int err; |
| |
| if (!mxf->header_written) { |
| if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0) |
| return err; |
| mxf_write_klv_fill(s); |
| |
| if ((err = mxf_write_opatom_body_partition(s)) < 0) |
| return err; |
| mxf->header_written = 1; |
| } |
| |
| 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->edit_units_count++; |
| avio_write(pb, pkt->data, pkt->size); |
| mxf->body_offset += pkt->size; |
| |
| return 0; |
| } |
| |
| static void mxf_compute_edit_unit_byte_count(AVFormatContext *s) |
| { |
| MXFContext *mxf = s->priv_data; |
| int i; |
| |
| if (s->oformat == &ff_mxf_opatom_muxer) { |
| MXFStreamContext *sc = s->streams[0]->priv_data; |
| mxf->edit_unit_byte_count = sc->frame_size; |
| return; |
| } |
| |
| mxf->edit_unit_byte_count = KAG_SIZE; // system element |
| for (i = 0; i < s->nb_streams; i++) { |
| AVStream *st = s->streams[i]; |
| MXFStreamContext *sc = st->priv_data; |
| sc->slice_offset = mxf->edit_unit_byte_count; |
| mxf->edit_unit_byte_count += 16 + 4 + sc->frame_size; |
| mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count); |
| } |
| } |
| |
| 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}; |
| int err; |
| |
| if (!mxf->cbr_index && !mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) { |
| if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count |
| + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) { |
| mxf->edit_units_count = 0; |
| av_log(s, AV_LOG_ERROR, "could not allocate index entries\n"); |
| return err; |
| } |
| } |
| |
| if (st->codecpar->codec_id == AV_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; |
| } |
| } else if (st->codecpar->codec_id == AV_CODEC_ID_DNXHD) { |
| if (!mxf_parse_dnxhd_frame(s, st, pkt)) { |
| av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n"); |
| return -1; |
| } |
| } else if (st->codecpar->codec_id == AV_CODEC_ID_PRORES) { |
| if (!mxf_parse_prores_frame(s, st, pkt)) { |
| av_log(s, AV_LOG_ERROR, "could not get prores profile\n"); |
| return -1; |
| } |
| } else if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) { |
| if (!mxf_parse_dv_frame(s, st, pkt)) { |
| av_log(s, AV_LOG_ERROR, "could not get dv profile\n"); |
| return -1; |
| } |
| } else if (st->codecpar->codec_id == AV_CODEC_ID_H264) { |
| if (!mxf_parse_h264_frame(s, st, pkt, &ie)) { |
| av_log(s, AV_LOG_ERROR, "could not get h264 profile\n"); |
| return -1; |
| } |
| } |
| |
| if (mxf->cbr_index) { |
| if (pkt->size != sc->frame_size && st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) { |
| av_log(s, AV_LOG_ERROR, "track %d: frame size does not match index unit size, %d != %d\n", |
| st->index, pkt->size, sc->frame_size); |
| return -1; |
| } |
| if (!mxf->header_written) |
| mxf_compute_edit_unit_byte_count(s); |
| } |
| |
| if (s->oformat == &ff_mxf_opatom_muxer) |
| return mxf_write_opatom_packet(s, pkt, &ie); |
| |
| if (!mxf->header_written) { |
| if (mxf->edit_unit_byte_count) { |
| if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0) |
| return err; |
| mxf_write_klv_fill(s); |
| mxf_write_index_table_segment(s); |
| } else { |
| if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0) |
| return err; |
| } |
| 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); |
| if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0) |
| return err; |
| 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) { |
| if (!mxf->edit_units_count) { |
| av_log(s, AV_LOG_ERROR, "No packets in first stream\n"); |
| return AVERROR_PATCHWELCOME; |
| } |
| 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 && |
| st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) { |
| 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); |
| } |
| |
| 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 + 12LL*mxf->body_partitions_count); |
| |
| if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) |
| 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; |
| int i, err; |
| |
| if (!mxf->header_written || |
| (s->oformat == &ff_mxf_opatom_muxer && !mxf->body_partition_offset)) { |
| /* reason could be invalid options/not supported codec/out of memory */ |
| return AVERROR_UNKNOWN; |
| } |
| |
| 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 && s->oformat != &ff_mxf_opatom_muxer) { // no need to repeat index |
| if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0) |
| return err; |
| } else { |
| if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0) |
| return err; |
| 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_SEEKABLE_NORMAL) { |
| if (s->oformat == &ff_mxf_opatom_muxer) { |
| /* rewrite body partition to update lengths */ |
| avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET); |
| if ((err = mxf_write_opatom_body_partition(s)) < 0) |
| return err; |
| } |
| |
| avio_seek(pb, 0, SEEK_SET); |
| if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { |
| if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0) |
| return err; |
| mxf_write_klv_fill(s); |
| mxf_write_index_table_segment(s); |
| } else { |
| if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0) |
| return err; |
| } |
| // update footer partition offset |
| for (i = 0; i < mxf->body_partitions_count; i++) { |
| avio_seek(pb, mxf->body_partition_offset[i]+44, SEEK_SET); |
| avio_wb64(pb, mxf->footer_partition_offset); |
| } |
| } |
| |
| return 0; |
| } |
| |
| static void mxf_deinit(AVFormatContext *s) |
| { |
| MXFContext *mxf = s->priv_data; |
| |
| av_freep(&mxf->index_entries); |
| av_freep(&mxf->body_partition_offset); |
| if (mxf->timecode_track) { |
| av_freep(&mxf->timecode_track->priv_data); |
| av_freep(&mxf->timecode_track); |
| } |
| } |
| |
| 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]->internal->last_in_packet_buffer; |
| |
| if (stream_count && (s->nb_streams == stream_count || flush)) { |
| AVPacketList *pktl = s->internal->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; |
| // update last packet in packet buffer |
| if (s->streams[pktl->pkt.stream_index]->internal->last_in_packet_buffer != pktl) |
| s->streams[pktl->pkt.stream_index]->internal->last_in_packet_buffer = pktl; |
| last = pktl; |
| pktl = pktl->next; |
| stream_count--; |
| } |
| // purge packet queue |
| while (pktl) { |
| AVPacketList *next = pktl->next; |
| av_packet_unref(&pktl->pkt); |
| av_freep(&pktl); |
| pktl = next; |
| } |
| if (last) |
| last->next = NULL; |
| else { |
| s->internal->packet_buffer = NULL; |
| s->internal->packet_buffer_end= NULL; |
| goto out; |
| } |
| pktl = s->internal->packet_buffer; |
| } |
| |
| *out = pktl->pkt; |
| av_log(s, AV_LOG_TRACE, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts); |
| s->internal->packet_buffer = pktl->next; |
| if(s->streams[pktl->pkt.stream_index]->internal->last_in_packet_buffer == pktl) |
| s->streams[pktl->pkt.stream_index]->internal->last_in_packet_buffer= NULL; |
| if(!s->internal->packet_buffer) |
| s->internal->packet_buffer_end= NULL; |
| av_freep(&pktl); |
| return 1; |
| } else { |
| out: |
| return 0; |
| } |
| } |
| |
| static int mxf_compare_timestamps(AVFormatContext *s, const AVPacket *next, |
| const 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) |
| { |
| int ret; |
| if (pkt) { |
| MXFStreamContext *sc = s->streams[pkt->stream_index]->priv_data; |
| pkt->pts = pkt->dts = sc->pkt_cnt++; |
| if ((ret = ff_interleave_add_packet(s, pkt, mxf_compare_timestamps)) < 0) |
| return ret; |
| } |
| return mxf_interleave_get_packet(s, out, NULL, flush); |
| } |
| |
| #define MXF_COMMON_OPTIONS \ |
| { "signal_standard", "Force/set Signal Standard",\ |
| offsetof(MXFContext, signal_standard), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\ |
| { "bt601", "ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)",\ |
| 0, AV_OPT_TYPE_CONST, {.i64 = 1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\ |
| { "bt1358", "ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)",\ |
| 0, AV_OPT_TYPE_CONST, {.i64 = 2}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\ |
| { "smpte347m", "SMPTE 347M (540 Mbps mappings)",\ |
| 0, AV_OPT_TYPE_CONST, {.i64 = 3}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\ |
| { "smpte274m", "SMPTE 274M (1125 line)",\ |
| 0, AV_OPT_TYPE_CONST, {.i64 = 4}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\ |
| { "smpte296m", "SMPTE 296M (750 line progressive)",\ |
| 0, AV_OPT_TYPE_CONST, {.i64 = 5}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\ |
| { "smpte349m", "SMPTE 349M (1485 Mbps mappings)",\ |
| 0, AV_OPT_TYPE_CONST, {.i64 = 6}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\ |
| { "smpte428", "SMPTE 428-1 DCDM",\ |
| 0, AV_OPT_TYPE_CONST, {.i64 = 7}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"}, |
| |
| |
| |
| static const AVOption mxf_options[] = { |
| MXF_COMMON_OPTIONS |
| { "store_user_comments", "", |
| offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM}, |
| { NULL }, |
| }; |
| |
| static const AVClass mxf_muxer_class = { |
| .class_name = "MXF muxer", |
| .item_name = av_default_item_name, |
| .option = mxf_options, |
| .version = LIBAVUTIL_VERSION_INT, |
| }; |
| |
| static const AVOption d10_options[] = { |
| { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor", |
| offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM}, |
| MXF_COMMON_OPTIONS |
| { "store_user_comments", "", |
| offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM}, |
| { NULL }, |
| }; |
| |
| static const AVClass mxf_d10_muxer_class = { |
| .class_name = "MXF-D10 muxer", |
| .item_name = av_default_item_name, |
| .option = d10_options, |
| .version = LIBAVUTIL_VERSION_INT, |
| }; |
| |
| static const AVOption opatom_options[] = { |
| { "mxf_audio_edit_rate", "Audio edit rate for timecode", |
| offsetof(MXFContext, audio_edit_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM }, |
| MXF_COMMON_OPTIONS |
| { "store_user_comments", "", |
| offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM}, |
| { NULL }, |
| }; |
| |
| static const AVClass mxf_opatom_muxer_class = { |
| .class_name = "MXF-OPAtom muxer", |
| .item_name = av_default_item_name, |
| .option = opatom_options, |
| .version = LIBAVUTIL_VERSION_INT, |
| }; |
| |
| AVOutputFormat ff_mxf_muxer = { |
| .name = "mxf", |
| .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"), |
| .mime_type = "application/mxf", |
| .extensions = "mxf", |
| .priv_data_size = sizeof(MXFContext), |
| .audio_codec = AV_CODEC_ID_PCM_S16LE, |
| .video_codec = AV_CODEC_ID_MPEG2VIDEO, |
| .write_header = mxf_write_header, |
| .write_packet = mxf_write_packet, |
| .write_trailer = mxf_write_footer, |
| .deinit = mxf_deinit, |
| .flags = AVFMT_NOTIMESTAMPS, |
| .interleave_packet = mxf_interleave, |
| .priv_class = &mxf_muxer_class, |
| }; |
| |
| AVOutputFormat ff_mxf_d10_muxer = { |
| .name = "mxf_d10", |
| .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"), |
| .mime_type = "application/mxf", |
| .priv_data_size = sizeof(MXFContext), |
| .audio_codec = AV_CODEC_ID_PCM_S16LE, |
| .video_codec = AV_CODEC_ID_MPEG2VIDEO, |
| .write_header = mxf_write_header, |
| .write_packet = mxf_write_packet, |
| .write_trailer = mxf_write_footer, |
| .deinit = mxf_deinit, |
| .flags = AVFMT_NOTIMESTAMPS, |
| .interleave_packet = mxf_interleave, |
| .priv_class = &mxf_d10_muxer_class, |
| }; |
| |
| AVOutputFormat ff_mxf_opatom_muxer = { |
| .name = "mxf_opatom", |
| .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"), |
| .mime_type = "application/mxf", |
| .extensions = "mxf", |
| .priv_data_size = sizeof(MXFContext), |
| .audio_codec = AV_CODEC_ID_PCM_S16LE, |
| .video_codec = AV_CODEC_ID_DNXHD, |
| .write_header = mxf_write_header, |
| .write_packet = mxf_write_packet, |
| .write_trailer = mxf_write_footer, |
| .deinit = mxf_deinit, |
| .flags = AVFMT_NOTIMESTAMPS, |
| .interleave_packet = mxf_interleave, |
| .priv_class = &mxf_opatom_muxer_class, |
| }; |
