From: Baptiste Coudurier Date: Fri, 28 Jul 2006 22:42:31 +0000 (+0000) Subject: demuxer reworked, more accurate parsing, prepare handling of other operational patter... X-Git-Tag: v0.5~12285 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=743d772c61922cc0d4f44dedd36bcb9a45a444e0;p=platform%2Fupstream%2Flibav.git demuxer reworked, more accurate parsing, prepare handling of other operational patterns, streaming demuxing, simplified codec detection Originally committed as revision 5837 to svn://svn.ffmpeg.org/ffmpeg/trunk --- diff --git a/libavformat/mxf.c b/libavformat/mxf.c index 3d9eb3b..df17d61 100644 --- a/libavformat/mxf.c +++ b/libavformat/mxf.c @@ -30,30 +30,65 @@ * Principle * Search for Track numbers which will identify essence element KLV packets. * Search for SourcePackage which define tracks which contains Track numbers. - * Material Package tracks does not contain Tracks numbers. + * Material Package contains tracks with reference to SourcePackage tracks. * Search for Descriptors (Picture, Sound) which contains codec info and parameters. * Assign Descriptors to correct Tracks. * - * Preliminary demuxer, only OP1A supported and some files might not work at all. + * Metadata reading functions read Local Tags, get InstanceUID(0x3C0A) and then resolve Strong Reference from another object. + * Returns -1 if Strong Reference could not be resolved. + * + * Simple demuxer, only OP1A supported and some files might not work at all. + * Only tracks with associated descriptors will be decoded. "Highly Desirable" SMPTE 377M D.1 + * Only descriptors with EssenceSoundCompression or PictureEssenceCoding will be taken into account. "D/req" SMPTE 377M */ //#define DEBUG #include "avformat.h" #include "dsputil.h" -#include "riff.h" typedef DECLARE_ALIGNED_16(uint8_t, UID[16]); -typedef struct { - AVStream *stream; - UID track_uid; - UID sequence_uid; +enum MXFPackageType { + MaterialPackage, + SourcePackage, +}; + +enum MXFStructuralComponentType { + Timecode, + SourceClip, +}; + +typedef struct MXFStructuralComponent { + UID uid; + UID source_package_uid; + UID data_definition_ul; + int64_t duration; + int64_t start_position; + int source_track_id; + enum MXFStructuralComponentType type; +} MXFStructuralComponent; + +typedef struct MXFSequence { + UID uid; + UID data_definition_ul; + MXFStructuralComponent **structural_components; + UID *structural_components_refs; + int structural_components_count; + int64_t duration; +} MXFSequence; + +typedef struct MXFTrack { + UID uid; + MXFSequence *sequence; /* mandatory, and only one */ + UID sequence_ref; int track_id; int track_number; + AVRational edit_rate; } MXFTrack; -typedef struct { +typedef struct MXFDescriptor { + UID uid; UID essence_container; UID essence_compression; enum CodecType codec_type; @@ -63,31 +98,66 @@ typedef struct { int height; int channels; int bits_per_sample; + struct MXFDescriptor **sub_descriptors; + UID *sub_descriptors_refs; + int sub_descriptors_count; int block_align; int linked_track_id; - int kind; } MXFDescriptor; -typedef struct { - AVFormatContext *fc; - MXFTrack *tracks; - MXFDescriptor *descriptors; - int descriptors_count; +typedef struct MXFPackage { + UID uid; + UID package_uid; + MXFTrack **tracks; + UID *tracks_refs; int tracks_count; + MXFDescriptor *descriptor; /* only one */ + UID descriptor_ref; + enum MXFPackageType type; +} MXFPackage; + +typedef struct MXFEssenceContainerData { + UID uid; + UID linked_package_uid; +} MXFEssenceContainerData; + +typedef struct MXFContext { + MXFPackage **packages; + UID *packages_refs; + int packages_count; + MXFEssenceContainerData **essence_container_data_sets; + UID *essence_container_data_sets_refs; + int essence_container_data_sets_count; + UID *essence_containers_uls; /* Universal Labels SMPTE RP224 */ + int essence_containers_uls_count; + UID operational_pattern_ul; + UID content_storage_uid; + AVFormatContext *fc; } MXFContext; -typedef struct { +typedef struct KLVPacket { UID key; offset_t offset; uint64_t length; } KLVPacket; +typedef struct MXFCodecUL { + UID uid; + enum CodecID id; +} MXFCodecUL; + +static const UID mxf_metadata_preface_key = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x2F, 0x00 }; +static const UID mxf_metadata_content_storage_key = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x18, 0x00 }; static const UID mxf_metadata_source_package_key = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x37, 0x00 }; +static const UID mxf_metadata_material_package_key = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x36, 0x00 }; static const UID mxf_metadata_sequence_key = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x0F, 0x00 }; +static const UID mxf_metadata_source_clip_key = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x11, 0x00 }; +static const UID mxf_metadata_multiple_descriptor_key = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x44, 0x00 }; static const UID mxf_metadata_generic_sound_descriptor_key = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x42, 0x00 }; static const UID mxf_metadata_cdci_descriptor_key = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x28, 0x00 }; static const UID mxf_metadata_mpegvideo_descriptor_key = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x51, 0x00 }; static const UID mxf_metadata_wave_descriptor_key = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x48, 0x00 }; +static const UID mxf_metadata_static_track_key = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x3A, 0x00 }; static const UID mxf_metadata_track_key = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x3b, 0x00 }; /* partial keys to match */ @@ -166,148 +236,377 @@ static int mxf_read_packet(AVFormatContext *s, AVPacket *pkt) return AVERROR_IO; } -static int mxf_read_metadata_track(MXFContext *mxf, KLVPacket *klv) +static int mxf_read_metadata_preface(MXFContext *mxf, KLVPacket *klv) { ByteIOContext *pb = &mxf->fc->pb; - AVRational time_base = (AVRational){0, 0}; - uint8_t sequence_uid[16]; - uint8_t track_uid[16]; - int track_number = 0; - int track_id = 0; int bytes_read = 0; - int i; while (bytes_read < klv->length) { int tag = get_be16(pb); int size = get_be16(pb); /* SMPTE 336M Table 8 KLV specified length, 0x53 */ switch (tag) { + case 0x3B03: + get_buffer(pb, mxf->content_storage_uid, 16); + break; + case 0x3B09: + get_buffer(pb, mxf->operational_pattern_ul, 16); + break; + case 0x3B0A: + mxf->essence_containers_uls_count = get_be32(pb); + if (mxf->essence_containers_uls_count >= UINT_MAX / sizeof(UID)) + return -1; + mxf->essence_containers_uls = av_malloc(mxf->essence_containers_uls_count * sizeof(UID)); + url_fskip(pb, 4); /* useless size of objects, always 16 according to specs */ + get_buffer(pb, mxf->essence_containers_uls, mxf->essence_containers_uls_count * sizeof(UID)); + break; + default: + url_fskip(pb, size); + } + bytes_read += size + 4; + } + return 0; +} + +static int mxf_read_metadata_content_storage(MXFContext *mxf, KLVPacket *klv) +{ + ByteIOContext *pb = &mxf->fc->pb; + int bytes_read = 0; + + while (bytes_read < klv->length) { + int tag = get_be16(pb); + int size = get_be16(pb); /* SMPTE 336M Table 8 KLV specified length, 0x53 */ + + dprintf("tag 0x%04X, size %d\n", tag, size); + switch (tag) { + case 0x1901: + mxf->packages_count = get_be32(pb); + if (mxf->packages_count >= UINT_MAX / sizeof(UID) || + mxf->packages_count >= UINT_MAX / sizeof(*mxf->packages)) + return -1; + mxf->packages_refs = av_malloc(mxf->packages_count * sizeof(UID)); + mxf->packages = av_mallocz(mxf->packages_count * sizeof(*mxf->packages)); + url_fskip(pb, 4); /* useless size of objects, always 16 according to specs */ + get_buffer(pb, mxf->packages_refs, mxf->packages_count * sizeof(UID)); + break; + case 0x1902: + mxf->essence_container_data_sets_count = get_be32(pb); + if (mxf->essence_container_data_sets_count >= UINT_MAX / sizeof(UID) || + mxf->essence_container_data_sets_count >= UINT_MAX / sizeof(*mxf->essence_container_data_sets)) + return -1; + mxf->essence_container_data_sets_refs = av_malloc(mxf->essence_container_data_sets_count * sizeof(UID)); + mxf->essence_container_data_sets = av_mallocz(mxf->essence_container_data_sets_count * sizeof(*mxf->essence_container_data_sets)); + url_fskip(pb, 4); /* useless size of objects, always 16 according to specs */ + get_buffer(pb, mxf->essence_container_data_sets_refs, mxf->essence_container_data_sets_count * sizeof(UID)); + break; + default: + url_fskip(pb, size); + } + bytes_read += size + 4; + } + return 0; +} + +static int mxf_read_metadata_source_clip(MXFContext *mxf, KLVPacket *klv) +{ + ByteIOContext *pb = &mxf->fc->pb; + MXFStructuralComponent *source_clip = av_mallocz(sizeof(*source_clip)); + int bytes_read = 0; + int i, j, k; + + source_clip->type = SourceClip; + while (bytes_read < klv->length) { + int tag = get_be16(pb); + int size = get_be16(pb); /* SMPTE 336M Table 8 KLV specified length, 0x53 */ + + dprintf("tag 0x%04X, size %d\n", tag, size); + switch (tag) { + case 0x3C0A: + get_buffer(pb, source_clip->uid, 16); + break; + case 0x0202: + source_clip->duration = get_be64(pb); + break; + case 0x1201: + source_clip->start_position = get_be64(pb); + break; + case 0x1101: + /* UMID, only get last 16 bytes */ + url_fskip(pb, 16); + get_buffer(pb, source_clip->source_package_uid, 16); + break; + case 0x1102: + source_clip->source_track_id = get_be32(pb); + break; + default: + url_fskip(pb, size); + } + bytes_read += size + 4; + } + for (i = 0; i < mxf->packages_count; i++) { + if (mxf->packages[i]) { + for (j = 0; j < mxf->packages[i]->tracks_count; j++) { + if (mxf->packages[i]->tracks[j] && mxf->packages[i]->tracks[j]->sequence) { + for (k = 0; k < mxf->packages[i]->tracks[j]->sequence->structural_components_count; k++) { + if (!memcmp(mxf->packages[i]->tracks[j]->sequence->structural_components_refs[k], source_clip->uid, 16)) { + mxf->packages[i]->tracks[j]->sequence->structural_components[k] = source_clip; + return 0; + } + } + } + } + } + } + return -1; +} + +static int mxf_read_metadata_material_package(MXFContext *mxf, KLVPacket *klv) +{ + ByteIOContext *pb = &mxf->fc->pb; + MXFPackage *package = av_mallocz(sizeof(*package)); + int bytes_read = 0; + int i; + + package->type = MaterialPackage; + while (bytes_read < klv->length) { + int tag = get_be16(pb); + int size = get_be16(pb); /* KLV specified by 0x53 */ + + switch (tag) { + case 0x3C0A: + get_buffer(pb, package->uid, 16); + break; + case 0x4403: + package->tracks_count = get_be32(pb); + if (package->tracks_count >= UINT_MAX / sizeof(UID) || + package->tracks_count >= UINT_MAX / sizeof(*package->tracks)) + return -1; + package->tracks_refs = av_malloc(package->tracks_count * sizeof(UID)); + package->tracks = av_mallocz(package->tracks_count * sizeof(*package->tracks)); + url_fskip(pb, 4); /* useless size of objects, always 16 according to specs */ + get_buffer(pb, package->tracks_refs, package->tracks_count * sizeof(UID)); + break; + default: + url_fskip(pb, size); + } + bytes_read += size + 4; + } + for (i = 0; i < mxf->packages_count; i++) { + if (!memcmp(mxf->packages_refs[i], package->uid, 16)) { + mxf->packages[i] = package; + return 0; + } + } + return -1; +} + +static int mxf_read_metadata_track(MXFContext *mxf, KLVPacket *klv) +{ + ByteIOContext *pb = &mxf->fc->pb; + MXFTrack *track = av_mallocz(sizeof(*track)); + int bytes_read = 0; + int i, j; + + while (bytes_read < klv->length) { + int tag = get_be16(pb); + int size = get_be16(pb); /* KLV specified by 0x53 */ + + dprintf("tag 0x%04X, size %d\n", tag, size); + switch (tag) { + case 0x3C0A: + get_buffer(pb, track->uid, 16); + break; case 0x4801: - track_id = get_be32(pb); + track->track_id = get_be32(pb); break; case 0x4804: - track_number = get_be32(pb); + track->track_number = get_be32(pb); + dprintf("track number 0x%04X\n", track->track_number); break; case 0x4B01: - time_base.den = get_be32(pb); - time_base.num = get_be32(pb); + track->edit_rate.den = get_be32(pb); + track->edit_rate.num = get_be32(pb); break; case 0x4803: - get_buffer(pb, sequence_uid, 16); - break; - case 0x3C0A: - get_buffer(pb, track_uid, 16); + get_buffer(pb, track->sequence_ref, 16); break; default: url_fskip(pb, size); } bytes_read += size + 4; } - for (i = 0; i < mxf->tracks_count; i++) - if (!memcmp(track_uid, mxf->tracks[i].track_uid, 16)) { - mxf->tracks[i].track_id = track_id; - mxf->tracks[i].track_number = track_number; - mxf->tracks[i].stream->time_base = time_base; - mxf->tracks[i].stream->id = track_number; - memcpy(mxf->tracks[i].sequence_uid, sequence_uid, 16); + for (i = 0; i < mxf->packages_count; i++) { + if (mxf->packages[i]) { + for (j = 0; j < mxf->packages[i]->tracks_count; j++) { + if (!memcmp(mxf->packages[i]->tracks_refs[j], track->uid, 16)) { + mxf->packages[i]->tracks[j] = track; + return 0; + } + } } - return bytes_read; + } + return -1; } static int mxf_read_metadata_sequence(MXFContext *mxf, KLVPacket *klv) { ByteIOContext *pb = &mxf->fc->pb; - uint8_t sequence_uid[16]; - uint8_t data_definition[16]; - uint64_t duration = AV_NOPTS_VALUE; + MXFSequence *sequence = av_mallocz(sizeof(*sequence)); int bytes_read = 0; - int i; + int i, j; while (bytes_read < klv->length) { int tag = get_be16(pb); int size = get_be16(pb); /* KLV specified by 0x53 */ + dprintf("tag 0x%04X, size %d\n", tag, size); switch (tag) { case 0x3C0A: - get_buffer(pb, sequence_uid, 16); + get_buffer(pb, sequence->uid, 16); break; case 0x0202: - duration = get_be64(pb); + sequence->duration = get_be64(pb); break; case 0x0201: - get_buffer(pb, data_definition, 16); + get_buffer(pb, sequence->data_definition_ul, 16); + break; + case 0x1001: + sequence->structural_components_count = get_be32(pb); + if (sequence->structural_components_count >= UINT_MAX / sizeof(UID) || + sequence->structural_components_count >= UINT_MAX / sizeof(*sequence->structural_components)) + return -1; + sequence->structural_components_refs = av_malloc(sequence->structural_components_count * sizeof(UID)); + sequence->structural_components = av_mallocz(sequence->structural_components_count * sizeof(*sequence->structural_components)); + url_fskip(pb, 4); /* useless size of objects, always 16 according to specs */ + get_buffer(pb, sequence->structural_components_refs, sequence->structural_components_count * sizeof(UID)); break; default: url_fskip(pb, size); } bytes_read += size + 4; } - - for (i = 0; i < mxf->tracks_count; i++) - if (!memcmp(sequence_uid, mxf->tracks[i].sequence_uid, 16)) { - mxf->tracks[i].stream->start_time = 0; - mxf->tracks[i].stream->duration = duration; - if (data_definition[11] == 0x02 && data_definition[12] == 0x01) - mxf->tracks[i].stream->codec->codec_type = CODEC_TYPE_VIDEO; - else if (data_definition[11] == 0x02 && data_definition[12] == 0x02) - mxf->tracks[i].stream->codec->codec_type = CODEC_TYPE_AUDIO; - else if (data_definition[11] == 0x01) /* SMPTE 12M Time Code track */ - mxf->tracks[i].stream->codec->codec_type = CODEC_TYPE_DATA; + for (i = 0; i < mxf->packages_count; i++) { + if (mxf->packages[i]) { + for (j = 0; j < mxf->packages[i]->tracks_count; j++) { + if (mxf->packages[i]->tracks[j]) { + if (!memcmp(mxf->packages[i]->tracks[j]->sequence_ref, sequence->uid, 16)) { + mxf->packages[i]->tracks[j]->sequence = sequence; + return 0; + } + } + } } - return bytes_read; + } + return -1; } static int mxf_read_metadata_source_package(MXFContext *mxf, KLVPacket *klv) { ByteIOContext *pb = &mxf->fc->pb; - int tracks_count; + MXFPackage *package = av_mallocz(sizeof(*package)); int bytes_read = 0; int i; + package->type = SourcePackage; while (bytes_read < klv->length) { int tag = get_be16(pb); int size = get_be16(pb); /* KLV specified by 0x53 */ + dprintf("tag 0x%04X, size %d\n", tag, size); switch (tag) { + case 0x3C0A: + get_buffer(pb, package->uid, 16); + break; case 0x4403: - tracks_count = get_be32(pb); - if(tracks_count >= UINT_MAX / sizeof(*mxf->tracks) || - tracks_count >= UINT_MAX / sizeof(*mxf->descriptors)) + package->tracks_count = get_be32(pb); + if (package->tracks_count >= UINT_MAX / sizeof(UID) || + package->tracks_count >= UINT_MAX / sizeof(*package->tracks)) return -1; - mxf->tracks_count += tracks_count; /* op2a contains multiple source packages */ - mxf->tracks = av_realloc(mxf->tracks, mxf->tracks_count * sizeof(*mxf->tracks)); - mxf->descriptors = av_realloc(mxf->descriptors, mxf->tracks_count * sizeof(*mxf->descriptors)); + package->tracks_refs = av_malloc(package->tracks_count * sizeof(UID)); + package->tracks = av_mallocz(package->tracks_count * sizeof(*package->tracks)); url_fskip(pb, 4); /* useless size of objects, always 16 according to specs */ - for (i = mxf->tracks_count - tracks_count; i < mxf->tracks_count; i++) { - mxf->tracks[i].stream = av_new_stream(mxf->fc, 0); - get_buffer(pb, mxf->tracks[i].track_uid, 16); - } + get_buffer(pb, package->tracks_refs, package->tracks_count * sizeof(UID)); + break; + case 0x4401: + /* UMID, only get last 16 bytes */ + url_fskip(pb, 16); + get_buffer(pb, package->package_uid, 16); + break; + case 0x4701: + get_buffer(pb, package->descriptor_ref, 16); break; default: url_fskip(pb, size); } bytes_read += size + 4; } - return bytes_read; + for (i = 0; i < mxf->packages_count; i++) { + if (!memcmp(mxf->packages_refs[i], package->uid, 16)) { + mxf->packages[i] = package; + return 0; + } + } + return -1; } -static int mxf_read_metadata_descriptor(MXFContext *mxf, KLVPacket *klv) +static int mxf_read_metadata_multiple_descriptor(MXFContext *mxf, KLVPacket *klv) { ByteIOContext *pb = &mxf->fc->pb; - MXFDescriptor *desc; + MXFDescriptor *descriptor = av_mallocz(sizeof(*descriptor)); int bytes_read = 0; + int i; - if (mxf->descriptors_count == mxf->tracks_count) - return -1; - desc = &mxf->descriptors[mxf->descriptors_count++]; - desc->kind = klv->key[14]; - desc->linked_track_id = -1; + while (bytes_read < klv->length) { + int tag = get_be16(pb); + int size = get_be16(pb); /* KLV specified by 0x53 */ + + dprintf("tag 0x%04X, size %d\n", tag, size); + switch (tag) { + case 0x3C0A: + get_buffer(pb, descriptor->uid, 16); + break; + case 0x3F01: + descriptor->sub_descriptors_count = get_be32(pb); + if (descriptor->sub_descriptors_count >= UINT_MAX / sizeof(UID) || + descriptor->sub_descriptors_count >= UINT_MAX / sizeof(*descriptor->sub_descriptors)) + return -1; + descriptor->sub_descriptors_refs = av_malloc(descriptor->sub_descriptors_count * sizeof(UID)); + descriptor->sub_descriptors = av_mallocz(descriptor->sub_descriptors_count * sizeof(*descriptor->sub_descriptors)); + url_fskip(pb, 4); /* useless size of objects, always 16 according to specs */ + get_buffer(pb, descriptor->sub_descriptors_refs, descriptor->sub_descriptors_count * sizeof(UID)); + break; + default: + url_fskip(pb, size); + } + bytes_read += size + 4; + } + for (i = 0; i < mxf->packages_count; i++) { + if (mxf->packages[i]) { + if (!memcmp(mxf->packages[i]->descriptor_ref, descriptor->uid, 16)) { + mxf->packages[i]->descriptor = descriptor; + return 0; + } + } + } + return -1; +} + +static int mxf_read_metadata_generic_descriptor(MXFContext *mxf, KLVPacket *klv) +{ + ByteIOContext *pb = &mxf->fc->pb; + MXFDescriptor *desc = av_mallocz(sizeof(*desc)); + int bytes_read = 0; + int i, j; while (bytes_read < klv->length) { int tag = get_be16(pb); int size = get_be16(pb); /* KLV specified by 0x53 */ + dprintf("tag 0x%04X, size %d\n", tag, size); switch (tag) { + case 0x3C0A: + get_buffer(pb, desc->uid, 16); + break; case 0x3004: get_buffer(pb, desc->essence_container, 16); break; @@ -350,97 +649,169 @@ static int mxf_read_metadata_descriptor(MXFContext *mxf, KLVPacket *klv) } bytes_read += size + 4; } - return bytes_read; + for (i = 0; i < mxf->packages_count; i++) { + if (mxf->packages[i]) { + if (!memcmp(mxf->packages[i]->descriptor_ref, desc->uid, 16)) { + mxf->packages[i]->descriptor = desc; + return 0; + } else if (mxf->packages[i]->descriptor) { /* MultipleDescriptor */ + for (j = 0; j < mxf->packages[i]->descriptor->sub_descriptors_count; j++) { + if (!memcmp(mxf->packages[i]->descriptor->sub_descriptors_refs[j], desc->uid, 16)) { + mxf->packages[i]->descriptor->sub_descriptors[j] = desc; + return 0; + } + } + } + } + } + return -1; } /* SMPTE RP224 http://www.smpte-ra.org/mdd/index.html */ -static const CodecTag mxf_sound_essence_labels[] = { - { CODEC_ID_PCM_S16LE, 0x01000000 },/* Uncompressed Sound Coding */ - { CODEC_ID_PCM_S16LE, 0x017F0000 },/* Uncompressed Sound Coding */ - { CODEC_ID_PCM_S16BE, 0x017E0000 },/* Uncompressed Sound Coding Big Endian*/ - { CODEC_ID_PCM_ALAW, 0x02030101 }, - { CODEC_ID_AC3, 0x02030201 }, - //{ CODEC_ID_MP1, 0x02030104 }, - { CODEC_ID_MP2, 0x02030105 },/* MP2 or MP3 */ - //{ CODEC_ID_MP2, 0x02030106 },/* MPEG-2 Layer 1 */ - //{ CODEC_ID_???, 0x0203010C },/* Dolby E */ - //{ CODEC_ID_???, 0x02030301 },/* MPEG-2 AAC */ - { 0, 0 }, +static const UID picture_essence_track_ul = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x01,0x03,0x02,0x02,0x01,0x00,0x00,0x00 }; +static const UID sound_essence_track_ul = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x01,0x03,0x02,0x02,0x02,0x00,0x00,0x00 }; + +static const MXFCodecUL mxf_codec_uls[] = { + /* PictureEssenceCoding */ + { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, CODEC_ID_MPEG2VIDEO }, /* I-Frame */ + { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, CODEC_ID_MPEG2VIDEO }, /* Long GoP */ + { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, CODEC_ID_MPEG2VIDEO }, /* Long GoP */ + { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 }, CODEC_ID_MPEG2VIDEO }, /* D-10 30Mbps PAL */ + { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 }, CODEC_ID_MPEG2VIDEO }, /* D-10 50Mbps PAL */ + { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 }, CODEC_ID_DVVIDEO }, /* DVCPRO50 PAL */ + { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 }, CODEC_ID_DVVIDEO }, /* DVCPRO25 PAL */ + { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x02,0x00 }, CODEC_ID_DVVIDEO }, /* DV25 IEC PAL */ + /* SoundEssenceCompression */ + { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x7F,0x00,0x00,0x00 }, CODEC_ID_PCM_S16LE }, + { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x07,0x04,0x02,0x02,0x01,0x7E,0x00,0x00,0x00 }, CODEC_ID_PCM_S16BE }, /* From Omneon MXF file */ }; -static const CodecTag mxf_picture_essence_labels[] = { - { CODEC_ID_RAWVIDEO, 0x0100 }, - { CODEC_ID_MPEG2VIDEO, 0x0201 }, - { CODEC_ID_DVVIDEO, 0x0202 }, - //{ CODEC_ID_???, 0x0207 },/* D-11 HDCAM */ - { 0, 0 }, -}; - -static const CodecTag mxf_container_picture_labels[] = { - { CODEC_ID_MPEG2VIDEO, 0x0201 }, /* D-10 Mapping */ - { CODEC_ID_DVVIDEO, 0x0202 }, /* DV Mapping */ - //{ CODEC_ID_???, 0x0203 }, /* HDCAM D-11 Mapping */ - { CODEC_ID_MPEG2VIDEO, 0x0204 }, /* MPEG ES Mapping */ -}; - -static const CodecTag mxf_container_sound_labels[] = { - //{ CODEC_ID_PCM_S16??, 0x0201 }, /* D-10 Mapping */ - { CODEC_ID_MP2, 0x0204 }, /* MPEG ES Mapping */ - { CODEC_ID_PCM_S16LE, 0x0206 }, /* AES BWF Mapping */ - { CODEC_ID_PCM_ALAW, 0x020A }, - { 0, 0 }, -}; +static enum CodecID mxf_get_codec_id(const MXFCodecUL *uls, UID *uid) +{ + while (uls->id != CODEC_ID_NONE) { + if(!memcmp(uls->uid, *uid, 16)) + return uls->id; + uls++; + } + return CODEC_ID_NONE; +} -static void mxf_resolve_track_descriptor(MXFContext *mxf) +static int mxf_parse_structural_metadata(MXFContext *mxf) { - uint32_t container_label; - uint32_t essence_label; - int i, j; + MXFPackage *material_package = NULL; + MXFPackage *source_package = NULL; + int i, j, k; + + /* TODO: handle multiple material packages (OP3x) */ + for (i = 0; i < mxf->packages_count; i++) { + if (mxf->packages[i]->type == MaterialPackage) { + material_package = mxf->packages[i]; + break; + } + } + if (!material_package) { + av_log(mxf->fc, AV_LOG_ERROR, "no material package found\n"); + return -1; + } - for (i = 0; i < mxf->descriptors_count; i++) { - for (j = 0; j < mxf->tracks_count; j++) { - AVStream *st = mxf->tracks[j].stream; - MXFDescriptor *desc = &mxf->descriptors[i]; - - if ((desc->linked_track_id == -1 && st->codec->codec_type == desc->codec_type) - || desc->linked_track_id == mxf->tracks[j].track_id) { - if (st->codec->codec_type == CODEC_TYPE_AUDIO) { - st->codec->channels = desc->channels; - st->codec->bits_per_sample = desc->bits_per_sample; - st->codec->block_align = desc->block_align; - st->codec->sample_rate = desc->sample_rate.num / desc->sample_rate.den; - - container_label = BE_16(desc->essence_container + 12); - essence_label = BE_32(desc->essence_compression + 11); - st->codec->codec_id = codec_get_id(mxf_sound_essence_labels, essence_label); - if (st->codec->codec_id == CODEC_ID_PCM_S16LE) { - if (desc->bits_per_sample == 24) - st->codec->codec_id = CODEC_ID_PCM_S24LE; - else if (desc->bits_per_sample == 32) - st->codec->codec_id = CODEC_ID_PCM_S32LE; - } - if (st->codec->codec_id == CODEC_ID_PCM_S16BE) { - if (desc->bits_per_sample == 24) - st->codec->codec_id = CODEC_ID_PCM_S24BE; - else if (desc->bits_per_sample == 32) - st->codec->codec_id = CODEC_ID_PCM_S32BE; + for (i = 0; i < material_package->tracks_count; i++) { + MXFTrack *material_track = material_package->tracks[i]; + MXFTrack *source_track = NULL; + MXFDescriptor *descriptor = NULL; + MXFStructuralComponent *component = NULL; + AVStream *st; + + /* TODO: handle multiple source clips */ + for (j = 0; j < material_track->sequence->structural_components_count; j++) { + component = material_track->sequence->structural_components[j]; + /* TODO: handle timecode component */ + if (!component || component->type != SourceClip) + continue; + + for (k = 0; k < mxf->packages_count; k++) { + if (!memcmp(mxf->packages[k]->package_uid, component->source_package_uid, 16)) { + source_package = mxf->packages[k]; + break; + } + } + if (!source_package) { + av_log(mxf->fc, AV_LOG_ERROR, "material track %d: no corresponding source package found\n", material_track->track_id); + break; + } + for (k = 0; k < source_package->tracks_count; k++) { + if (source_package->tracks[k]->track_id == component->source_track_id) { + source_track = source_package->tracks[k]; + break; + } + } + if (!source_track) { + av_log(mxf->fc, AV_LOG_ERROR, "material track %d: no corresponding source track found\n", material_track->track_id); + break; + } + } + if (!source_track) + continue; + + st = av_new_stream(mxf->fc, source_track->track_number); + st->duration = component->duration; + if (st->duration == -1) + st->duration = AV_NOPTS_VALUE; + st->start_time = component->start_position; + av_set_pts_info(st, 64, material_track->edit_rate.num, material_track->edit_rate.den); +#ifdef DEBUG + PRINT_KEY(source_track->sequence->data_definition_ul); +#endif + if (!memcmp(source_track->sequence->data_definition_ul, picture_essence_track_ul, 16)) + st->codec->codec_type = CODEC_TYPE_VIDEO; + else if (!memcmp(source_track->sequence->data_definition_ul, sound_essence_track_ul, 16)) + st->codec->codec_type = CODEC_TYPE_AUDIO; + else + st->codec->codec_type = CODEC_TYPE_DATA; + + if (source_package->descriptor) { + if (source_package->descriptor->sub_descriptors_count > 0) { /* SourcePackage has MultipleDescriptor */ + for (j = 0; j < source_package->descriptor->sub_descriptors_count; j++) { + if (source_package->descriptor->sub_descriptors[j]) { + if (source_package->descriptor->sub_descriptors[j]->linked_track_id == source_track->track_id) { + descriptor = source_package->descriptor->sub_descriptors[j]; + break; + } } - if (!st->codec->codec_id) - st->codec->codec_id = codec_get_id(mxf_container_sound_labels, container_label); - - } else if (st->codec->codec_type == CODEC_TYPE_VIDEO) { - st->codec->width = desc->width; - st->codec->height = desc->height; - - container_label = BE_16(desc->essence_container + 12); - essence_label = BE_16(desc->essence_compression + 11); - st->codec->codec_id = codec_get_id(mxf_picture_essence_labels, essence_label); - if (!st->codec->codec_id) - st->codec->codec_id = codec_get_id(mxf_container_picture_labels, container_label); } + } else { + descriptor = source_package->descriptor; + } + } + if (!descriptor) { + av_log(mxf->fc, AV_LOG_INFO, "source track %d: stream %d, no descriptor found\n", source_track->track_id, st->index); + continue; + } +#ifdef DEBUG + PRINT_KEY(descriptor->essence_compression); +#endif + st->codec->codec_id = mxf_get_codec_id(mxf_codec_uls, &descriptor->essence_compression); + if (st->codec->codec_type == CODEC_TYPE_VIDEO) { + st->codec->width = descriptor->width; + st->codec->height = descriptor->height; + } else if (st->codec->codec_type == CODEC_TYPE_AUDIO) { + st->codec->channels = descriptor->channels; + st->codec->bits_per_sample = descriptor->bits_per_sample; + st->codec->sample_rate = descriptor->sample_rate.num / descriptor->sample_rate.den; + /* TODO: implement CODEC_ID_RAWAUDIO */ + if (st->codec->codec_id == CODEC_ID_PCM_S16LE) { + if (descriptor->bits_per_sample == 24) + st->codec->codec_id = CODEC_ID_PCM_S24LE; + else if (descriptor->bits_per_sample == 32) + st->codec->codec_id = CODEC_ID_PCM_S32LE; + } else if (st->codec->codec_id == CODEC_ID_PCM_S16BE) { + if (descriptor->bits_per_sample == 24) + st->codec->codec_id = CODEC_ID_PCM_S24BE; + else if (descriptor->bits_per_sample == 32) + st->codec->codec_id = CODEC_ID_PCM_S32BE; } } } + return 0; } static int mxf_read_header(AVFormatContext *s, AVFormatParameters *ap) @@ -455,18 +826,30 @@ static int mxf_read_header(AVFormatContext *s, AVFormatParameters *ap) return -1; if (IS_KLV_KEY(klv.key, mxf_metadata_track_key)) ret = mxf_read_metadata_track(mxf, &klv); + else if (IS_KLV_KEY(klv.key, mxf_metadata_static_track_key)) + ret = mxf_read_metadata_track(mxf, &klv); else if (IS_KLV_KEY(klv.key, mxf_metadata_source_package_key)) ret = mxf_read_metadata_source_package(mxf, &klv); else if (IS_KLV_KEY(klv.key, mxf_metadata_sequence_key)) ret = mxf_read_metadata_sequence(mxf, &klv); + else if (IS_KLV_KEY(klv.key, mxf_metadata_material_package_key)) + ret = mxf_read_metadata_material_package(mxf, &klv); + else if (IS_KLV_KEY(klv.key, mxf_metadata_source_clip_key)) + ret = mxf_read_metadata_source_clip(mxf, &klv); + else if (IS_KLV_KEY(klv.key, mxf_metadata_multiple_descriptor_key)) + ret = mxf_read_metadata_multiple_descriptor(mxf, &klv); else if (IS_KLV_KEY(klv.key, mxf_metadata_wave_descriptor_key)) - ret = mxf_read_metadata_descriptor(mxf, &klv); + ret = mxf_read_metadata_generic_descriptor(mxf, &klv); else if (IS_KLV_KEY(klv.key, mxf_metadata_mpegvideo_descriptor_key)) - ret = mxf_read_metadata_descriptor(mxf, &klv); + ret = mxf_read_metadata_generic_descriptor(mxf, &klv); else if (IS_KLV_KEY(klv.key, mxf_metadata_cdci_descriptor_key)) - ret = mxf_read_metadata_descriptor(mxf, &klv); + ret = mxf_read_metadata_generic_descriptor(mxf, &klv); else if (IS_KLV_KEY(klv.key, mxf_metadata_generic_sound_descriptor_key)) - ret = mxf_read_metadata_descriptor(mxf, &klv); + ret = mxf_read_metadata_generic_descriptor(mxf, &klv); + else if (IS_KLV_KEY(klv.key, mxf_metadata_preface_key)) + ret = mxf_read_metadata_preface(mxf, &klv); + else if (IS_KLV_KEY(klv.key, mxf_metadata_content_storage_key)) + ret = mxf_read_metadata_content_storage(mxf, &klv); else if (IS_KLV_KEY(klv.key, mxf_essence_element_key)) { /* FIXME avoid seek */ url_fseek(&s->pb, klv.offset, SEEK_SET); @@ -476,16 +859,41 @@ static int mxf_read_header(AVFormatContext *s, AVFormatParameters *ap) if (ret < 0) return ret; } - mxf_resolve_track_descriptor(mxf); - return 0; + return mxf_parse_structural_metadata(mxf); } static int mxf_read_close(AVFormatContext *s) { MXFContext *mxf = s->priv_data; - - av_freep(&mxf->tracks); - av_freep(&mxf->descriptors); + int i, j, k; + + for (i = 0; i < mxf->packages_count; i++) { + for (j = 0; j < mxf->packages[i]->tracks_count; j++) { + for (k = 0; k < mxf->packages[i]->tracks[j]->sequence->structural_components_count; k++) + av_freep(&mxf->packages[i]->tracks[j]->sequence->structural_components[k]); + av_freep(&mxf->packages[i]->tracks[j]->sequence->structural_components_refs); + av_freep(&mxf->packages[i]->tracks[j]->sequence->structural_components); + av_freep(&mxf->packages[i]->tracks[j]->sequence); + av_freep(&mxf->packages[i]->tracks[j]); + } + av_freep(&mxf->packages[i]->tracks_refs); + av_freep(&mxf->packages[i]->tracks); + if (mxf->packages[i]->descriptor) { + for (k = 0; k < mxf->packages[i]->descriptor->sub_descriptors_count; k++) + av_freep(&mxf->packages[i]->descriptor->sub_descriptors[k]); + av_freep(&mxf->packages[i]->descriptor->sub_descriptors_refs); + av_freep(&mxf->packages[i]->descriptor->sub_descriptors); + } + av_freep(&mxf->packages[i]->descriptor); + av_freep(&mxf->packages[i]); + } + av_freep(&mxf->packages_refs); + av_freep(&mxf->packages); + for (i = 0; i < mxf->essence_container_data_sets_count; i++) + av_freep(&mxf->essence_container_data_sets[i]); + av_freep(&mxf->essence_container_data_sets_refs); + av_freep(&mxf->essence_container_data_sets); + av_freep(&mxf->essence_containers_uls); return 0; }