From 7ec90b168b9ad5f6a2798c3df64eba65bd98910a Mon Sep 17 00:00:00 2001 From: Marton Balint Date: Thu, 17 May 2018 20:49:25 +0200 Subject: [PATCH] avformat/mxfdec: add support for determining essence wrapping scheme Some code is based on bmxlib-libmxf/mxf/mxf_utils.c. Signed-off-by: Marton Balint --- libavformat/mxf.h | 9 +++++ libavformat/mxfdec.c | 79 +++++++++++++++++++++++++++++++++----------- 2 files changed, 68 insertions(+), 20 deletions(-) diff --git a/libavformat/mxf.h b/libavformat/mxf.h index 93bc2cd075..f6e75919c5 100644 --- a/libavformat/mxf.h +++ b/libavformat/mxf.h @@ -65,11 +65,20 @@ typedef struct KLVPacket { int64_t next_klv; } KLVPacket; +typedef enum { + NormalWrap = 0, + D10D11Wrap, + RawAWrap, + RawVWrap +} MXFWrappingIndicatorType; + typedef struct MXFCodecUL { UID uid; unsigned matching_len; int id; const char *desc; + unsigned wrapping_indicator_pos; + MXFWrappingIndicatorType wrapping_indicator_type; } MXFCodecUL; typedef struct { diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c index a5c5fb3b8a..927653b515 100644 --- a/libavformat/mxfdec.c +++ b/libavformat/mxfdec.c @@ -76,6 +76,12 @@ typedef enum { OPSONYOpt, /* FATE sample, violates the spec in places */ } MXFOP; +typedef enum { + UnknownWrapped = 0, + FrameWrapped, + ClipWrapped, +} MXFWrappingScheme; + typedef struct MXFPartition { int closed; int complete; @@ -165,6 +171,7 @@ typedef struct { int64_t original_duration; /* st->duration in SampleRate/EditRate units */ int index_sid; int body_sid; + MXFWrappingScheme wrapping; } MXFTrack; typedef struct MXFDescriptor { @@ -281,11 +288,6 @@ typedef struct MXFContext { int edit_units_per_packet; ///< how many edit units to read at a time (PCM, OPAtom) } MXFContext; -enum MXFWrappingScheme { - Frame, - Clip, -}; - /* NOTE: klv_offset is not set (-1) for local keys */ typedef int MXFMetadataReadFunc(void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset); @@ -1233,16 +1235,16 @@ static void *mxf_resolve_strong_ref(MXFContext *mxf, UID *strong_ref, enum MXFMe static const MXFCodecUL mxf_picture_essence_container_uls[] = { // video essence container uls - { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 }, 14, AV_CODEC_ID_JPEG2000 }, - { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x10,0x60,0x01 }, 14, AV_CODEC_ID_H264 }, /* H.264 frame wrapped */ - { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 }, 14, AV_CODEC_ID_DNXHD }, /* VC-3 */ - { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x12,0x01,0x00 }, 14, AV_CODEC_ID_VC1 }, /* VC-1 frame wrapped */ - { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x14,0x01,0x00 }, 14, AV_CODEC_ID_TIFF }, /* TIFF */ - { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x15,0x01,0x00 }, 14, AV_CODEC_ID_DIRAC }, /* VC-2 */ - { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x04,0x60,0x01 }, 14, AV_CODEC_ID_MPEG2VIDEO }, /* MPEG-ES frame wrapped */ - { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x01,0x04,0x01 }, 14, AV_CODEC_ID_MPEG2VIDEO }, /* Type D-10 mapping of 40Mbps 525/60-I */ - { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x02,0x41,0x01 }, 14, AV_CODEC_ID_DVVIDEO }, /* DV 625 25mbps */ - { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x05,0x00,0x00 }, 14, AV_CODEC_ID_RAWVIDEO }, /* uncompressed picture */ + { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 }, 14, AV_CODEC_ID_JPEG2000, NULL, 14 }, + { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x10,0x60,0x01 }, 14, AV_CODEC_ID_H264, NULL, 15 }, /* H.264 */ + { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 }, 14, AV_CODEC_ID_DNXHD, NULL, 14 }, /* VC-3 */ + { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x12,0x01,0x00 }, 14, AV_CODEC_ID_VC1, NULL, 14 }, /* VC-1 */ + { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x14,0x01,0x00 }, 14, AV_CODEC_ID_TIFF, NULL, 14 }, /* TIFF */ + { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x15,0x01,0x00 }, 14, AV_CODEC_ID_DIRAC, NULL, 14 }, /* VC-2 */ + { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x04,0x60,0x01 }, 14, AV_CODEC_ID_MPEG2VIDEO, NULL, 15 }, /* MPEG-ES */ + { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x01,0x04,0x01 }, 14, AV_CODEC_ID_MPEG2VIDEO, NULL, 15, D10D11Wrap }, /* SMPTE D-10 mapping */ + { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x02,0x41,0x01 }, 14, AV_CODEC_ID_DVVIDEO, NULL, 15 }, /* DV 625 25mbps */ + { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x05,0x00,0x00 }, 14, AV_CODEC_ID_RAWVIDEO, NULL, 15, RawVWrap }, /* uncompressed picture */ { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0a,0x0e,0x0f,0x03,0x01,0x02,0x20,0x01,0x01 }, 15, AV_CODEC_ID_HQ_HQA }, { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0a,0x0e,0x0f,0x03,0x01,0x02,0x20,0x02,0x01 }, 15, AV_CODEC_ID_HQX }, { { 0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0xff,0x4b,0x46,0x41,0x41,0x00,0x0d,0x4d,0x4f }, 14, AV_CODEC_ID_RAWVIDEO }, /* Legacy ?? Uncompressed Picture */ @@ -1273,21 +1275,55 @@ static const MXFCodecUL mxf_intra_only_picture_coded_width[] = { static const MXFCodecUL mxf_sound_essence_container_uls[] = { // sound essence container uls - { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x06,0x01,0x00 }, 14, AV_CODEC_ID_PCM_S16LE }, /* BWF Frame wrapped */ - { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x04,0x40,0x01 }, 14, AV_CODEC_ID_MP2 }, /* MPEG-ES Frame wrapped, 0x40 ??? stream id */ - { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x01,0x01,0x01 }, 14, AV_CODEC_ID_PCM_S16LE }, /* D-10 Mapping 50Mbps PAL Extended Template */ + { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x06,0x01,0x00 }, 14, AV_CODEC_ID_PCM_S16LE, NULL, 14, RawAWrap }, /* BWF */ + { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x04,0x40,0x01 }, 14, AV_CODEC_ID_MP2, NULL, 15 }, /* MPEG-ES */ + { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x01,0x01,0x01 }, 14, AV_CODEC_ID_PCM_S16LE, NULL, 13 }, /* D-10 Mapping 50Mbps PAL Extended Template */ { { 0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0xff,0x4b,0x46,0x41,0x41,0x00,0x0d,0x4d,0x4F }, 14, AV_CODEC_ID_PCM_S16LE }, /* 0001GL00.MXF.A1.mxf_opatom.mxf */ { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x03,0x04,0x02,0x02,0x02,0x03,0x03,0x01,0x00 }, 14, AV_CODEC_ID_AAC }, /* MPEG-2 AAC ADTS (legacy) */ { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0, AV_CODEC_ID_NONE }, }; static const MXFCodecUL mxf_data_essence_container_uls[] = { - { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x09,0x0d,0x01,0x03,0x01,0x02,0x0d,0x00,0x00 }, 16, AV_CODEC_ID_NONE, "vbi_smpte_436M" }, - { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x09,0x0d,0x01,0x03,0x01,0x02,0x0e,0x00,0x00 }, 16, AV_CODEC_ID_NONE, "vbi_vanc_smpte_436M" }, + { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x09,0x0d,0x01,0x03,0x01,0x02,0x0d,0x00,0x00 }, 16, AV_CODEC_ID_NONE, "vbi_smpte_436M", 11 }, + { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x09,0x0d,0x01,0x03,0x01,0x02,0x0e,0x00,0x00 }, 16, AV_CODEC_ID_NONE, "vbi_vanc_smpte_436M", 11 }, { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x09,0x0d,0x01,0x03,0x01,0x02,0x13,0x01,0x01 }, 16, AV_CODEC_ID_TTML }, { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0, AV_CODEC_ID_NONE }, }; +static MXFWrappingScheme mxf_get_wrapping_kind(UID *essence_container_ul) +{ + int val; + const MXFCodecUL *codec_ul; + + codec_ul = mxf_get_codec_ul(mxf_picture_essence_container_uls, essence_container_ul); + if (!codec_ul->uid[0]) + codec_ul = mxf_get_codec_ul(mxf_sound_essence_container_uls, essence_container_ul); + if (!codec_ul->uid[0]) + codec_ul = mxf_get_codec_ul(mxf_data_essence_container_uls, essence_container_ul); + if (!codec_ul->uid[0] || !codec_ul->wrapping_indicator_pos) + return UnknownWrapped; + + val = (*essence_container_ul)[codec_ul->wrapping_indicator_pos]; + switch (codec_ul->wrapping_indicator_type) { + case RawVWrap: + val = val % 4; + break; + case RawAWrap: + if (val == 0x03 || val == 0x04) + val -= 0x02; + break; + case D10D11Wrap: + if (val == 0x02) + val = 0x01; + break; + } + if (val == 0x01) + return FrameWrapped; + if (val == 0x02) + return ClipWrapped; + return UnknownWrapped; +} + static int mxf_get_sorted_table_segments(MXFContext *mxf, int *nb_sorted_segments, MXFIndexTableSegment ***sorted_segments) { int i, j, nb_segments = 0; @@ -2179,6 +2215,9 @@ static int mxf_parse_structural_metadata(MXFContext *mxf) PRINT_KEY(mxf->fc, "essence codec ul", descriptor->essence_codec_ul); PRINT_KEY(mxf->fc, "essence container ul", descriptor->essence_container_ul); essence_container_ul = &descriptor->essence_container_ul; + source_track->wrapping = (mxf->op == OPAtom) ? ClipWrapped : mxf_get_wrapping_kind(essence_container_ul); + if (source_track->wrapping == UnknownWrapped) + av_log(mxf->fc, AV_LOG_INFO, "wrapping of stream %d is unknown\n", st->index); /* HACK: replacing the original key with mxf_encrypted_essence_container * is not allowed according to s429-6, try to find correct information anyway */ if (IS_KLV_KEY(essence_container_ul, mxf_encrypted_essence_container)) {