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resolve strong refs in parse_structural_metadata since objects may not be ordered, use object oriented approach
Originally committed as revision 5892 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier
parent
18a54b040d
commit
d2cdbd5f18
@ -34,8 +34,8 @@
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* Search for Descriptors (Picture, Sound) which contains codec info and parameters.
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* Assign Descriptors to correct Tracks.
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*
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* Metadata reading functions read Local Tags, get InstanceUID(0x3C0A) and then resolve Strong Reference from another object.
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* Returns -1 if Strong Reference could not be resolved.
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* Metadata reading functions read Local Tags, get InstanceUID(0x3C0A) then add MetaDataSet to MXFContext.
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* Metadata parsing resolves Strong References to objects.
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*
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* Simple demuxer, only OP1A supported and some files might not work at all.
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* Only tracks with associated descriptors will be decoded. "Highly Desirable" SMPTE 377M D.1
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@ -48,30 +48,32 @@
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typedef uint8_t UID[16];
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enum MXFPackageType {
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enum MXFMetadataSetType {
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MaterialPackage,
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SourcePackage,
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};
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enum MXFStructuralComponentType {
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Timecode,
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SourceClip,
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TimecodeComponent,
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Sequence,
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MultipleDescriptor,
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Descriptor,
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Track,
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EssenceContainerData,
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};
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typedef struct MXFStructuralComponent {
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UID uid;
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enum MXFMetadataSetType type;
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UID source_package_uid;
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UID data_definition_ul;
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int64_t duration;
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int64_t start_position;
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int source_track_id;
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enum MXFStructuralComponentType type;
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} MXFStructuralComponent;
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typedef struct MXFSequence {
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UID uid;
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enum MXFMetadataSetType type;
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UID data_definition_ul;
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MXFStructuralComponent **structural_components;
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UID *structural_components_refs;
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int structural_components_count;
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int64_t duration;
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@ -79,6 +81,7 @@ typedef struct MXFSequence {
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typedef struct MXFTrack {
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UID uid;
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enum MXFMetadataSetType type;
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MXFSequence *sequence; /* mandatory, and only one */
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UID sequence_ref;
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int track_id;
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@ -88,6 +91,7 @@ typedef struct MXFTrack {
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typedef struct MXFDescriptor {
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UID uid;
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enum MXFMetadataSetType type;
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UID essence_container_ul;
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UID essence_codec_ul;
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AVRational sample_rate;
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@ -96,7 +100,6 @@ typedef struct MXFDescriptor {
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int height;
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int channels;
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int bits_per_sample;
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struct MXFDescriptor **sub_descriptors;
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UID *sub_descriptors_refs;
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int sub_descriptors_count;
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int linked_track_id;
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@ -104,31 +107,36 @@ typedef struct MXFDescriptor {
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typedef struct MXFPackage {
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UID uid;
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enum MXFMetadataSetType type;
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UID package_uid;
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MXFTrack **tracks;
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UID *tracks_refs;
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int tracks_count;
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MXFDescriptor *descriptor; /* only one */
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UID descriptor_ref;
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enum MXFPackageType type;
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} MXFPackage;
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typedef struct MXFEssenceContainerData {
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UID uid;
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enum MXFMetadataSetType type;
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UID linked_package_uid;
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} MXFEssenceContainerData;
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typedef struct {
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UID uid;
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enum MXFMetadataSetType type;
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} MXFMetadataSet;
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typedef struct MXFContext {
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MXFPackage **packages;
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UID *packages_refs;
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int packages_count;
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MXFEssenceContainerData **essence_container_data_sets;
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UID *essence_container_data_sets_refs;
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int essence_container_data_sets_count;
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UID *essence_containers_uls; /* Universal Labels SMPTE RP224 */
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int essence_containers_uls_count;
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UID operational_pattern_ul;
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UID content_storage_uid;
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MXFMetadataSet **metadata_sets;
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int metadata_sets_count;
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AVFormatContext *fc;
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} MXFContext;
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@ -219,6 +227,14 @@ static int mxf_read_packet(AVFormatContext *s, AVPacket *pkt)
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return AVERROR_IO;
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}
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static int mxf_add_metadata_set(MXFContext *mxf, void *metadata_set)
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{
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mxf->metadata_sets = av_realloc(mxf->metadata_sets, (mxf->metadata_sets_count + 1) * sizeof(*mxf->metadata_sets));
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mxf->metadata_sets[mxf->metadata_sets_count] = metadata_set;
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mxf->metadata_sets_count++;
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return 0;
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}
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static int mxf_read_metadata_preface(MXFContext *mxf, KLVPacket *klv)
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{
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ByteIOContext *pb = &mxf->fc->pb;
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@ -264,21 +280,17 @@ static int mxf_read_metadata_content_storage(MXFContext *mxf, KLVPacket *klv)
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switch (tag) {
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case 0x1901:
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mxf->packages_count = get_be32(pb);
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if (mxf->packages_count >= UINT_MAX / sizeof(UID) ||
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mxf->packages_count >= UINT_MAX / sizeof(*mxf->packages))
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if (mxf->packages_count >= UINT_MAX / sizeof(UID))
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return -1;
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mxf->packages_refs = av_malloc(mxf->packages_count * sizeof(UID));
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mxf->packages = av_mallocz(mxf->packages_count * sizeof(*mxf->packages));
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url_fskip(pb, 4); /* useless size of objects, always 16 according to specs */
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get_buffer(pb, mxf->packages_refs, mxf->packages_count * sizeof(UID));
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break;
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case 0x1902:
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mxf->essence_container_data_sets_count = get_be32(pb);
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if (mxf->essence_container_data_sets_count >= UINT_MAX / sizeof(UID) ||
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mxf->essence_container_data_sets_count >= UINT_MAX / sizeof(*mxf->essence_container_data_sets))
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if (mxf->essence_container_data_sets_count >= UINT_MAX / sizeof(UID))
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return -1;
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mxf->essence_container_data_sets_refs = av_malloc(mxf->essence_container_data_sets_count * sizeof(UID));
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mxf->essence_container_data_sets = av_mallocz(mxf->essence_container_data_sets_count * sizeof(*mxf->essence_container_data_sets));
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url_fskip(pb, 4); /* useless size of objects, always 16 according to specs */
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get_buffer(pb, mxf->essence_container_data_sets_refs, mxf->essence_container_data_sets_count * sizeof(UID));
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break;
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@ -295,9 +307,7 @@ static int mxf_read_metadata_source_clip(MXFContext *mxf, KLVPacket *klv)
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ByteIOContext *pb = &mxf->fc->pb;
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MXFStructuralComponent *source_clip = av_mallocz(sizeof(*source_clip));
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int bytes_read = 0;
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int i, j, k;
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source_clip->type = SourceClip;
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while (bytes_read < klv->length) {
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int tag = get_be16(pb);
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int size = get_be16(pb); /* SMPTE 336M Table 8 KLV specified length, 0x53 */
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@ -326,21 +336,8 @@ static int mxf_read_metadata_source_clip(MXFContext *mxf, KLVPacket *klv)
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}
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bytes_read += size + 4;
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}
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for (i = 0; i < mxf->packages_count; i++) {
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if (mxf->packages[i]) {
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for (j = 0; j < mxf->packages[i]->tracks_count; j++) {
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if (mxf->packages[i]->tracks[j] && mxf->packages[i]->tracks[j]->sequence) {
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for (k = 0; k < mxf->packages[i]->tracks[j]->sequence->structural_components_count; k++) {
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if (!memcmp(mxf->packages[i]->tracks[j]->sequence->structural_components_refs[k], source_clip->uid, 16)) {
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mxf->packages[i]->tracks[j]->sequence->structural_components[k] = source_clip;
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return 0;
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}
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}
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}
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}
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}
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}
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return -1;
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source_clip->type = SourceClip;
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return mxf_add_metadata_set(mxf, source_clip);
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}
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static int mxf_read_metadata_material_package(MXFContext *mxf, KLVPacket *klv)
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@ -348,9 +345,7 @@ static int mxf_read_metadata_material_package(MXFContext *mxf, KLVPacket *klv)
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ByteIOContext *pb = &mxf->fc->pb;
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MXFPackage *package = av_mallocz(sizeof(*package));
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int bytes_read = 0;
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int i;
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package->type = MaterialPackage;
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while (bytes_read < klv->length) {
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int tag = get_be16(pb);
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int size = get_be16(pb); /* KLV specified by 0x53 */
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@ -361,11 +356,9 @@ static int mxf_read_metadata_material_package(MXFContext *mxf, KLVPacket *klv)
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break;
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case 0x4403:
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package->tracks_count = get_be32(pb);
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if (package->tracks_count >= UINT_MAX / sizeof(UID) ||
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package->tracks_count >= UINT_MAX / sizeof(*package->tracks))
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if (package->tracks_count >= UINT_MAX / sizeof(UID))
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return -1;
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package->tracks_refs = av_malloc(package->tracks_count * sizeof(UID));
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package->tracks = av_mallocz(package->tracks_count * sizeof(*package->tracks));
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url_fskip(pb, 4); /* useless size of objects, always 16 according to specs */
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get_buffer(pb, package->tracks_refs, package->tracks_count * sizeof(UID));
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break;
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@ -374,13 +367,8 @@ static int mxf_read_metadata_material_package(MXFContext *mxf, KLVPacket *klv)
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}
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bytes_read += size + 4;
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}
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for (i = 0; i < mxf->packages_count; i++) {
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if (!memcmp(mxf->packages_refs[i], package->uid, 16)) {
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mxf->packages[i] = package;
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return 0;
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}
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}
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return -1;
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package->type = MaterialPackage;
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return mxf_add_metadata_set(mxf, package);
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}
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static int mxf_read_metadata_track(MXFContext *mxf, KLVPacket *klv)
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@ -388,7 +376,6 @@ static int mxf_read_metadata_track(MXFContext *mxf, KLVPacket *klv)
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ByteIOContext *pb = &mxf->fc->pb;
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MXFTrack *track = av_mallocz(sizeof(*track));
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int bytes_read = 0;
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int i, j;
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while (bytes_read < klv->length) {
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int tag = get_be16(pb);
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@ -417,17 +404,8 @@ static int mxf_read_metadata_track(MXFContext *mxf, KLVPacket *klv)
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}
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bytes_read += size + 4;
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}
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for (i = 0; i < mxf->packages_count; i++) {
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if (mxf->packages[i]) {
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for (j = 0; j < mxf->packages[i]->tracks_count; j++) {
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if (!memcmp(mxf->packages[i]->tracks_refs[j], track->uid, 16)) {
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mxf->packages[i]->tracks[j] = track;
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return 0;
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}
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}
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}
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}
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return -1;
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track->type = Track;
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return mxf_add_metadata_set(mxf, track);
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}
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static int mxf_read_metadata_sequence(MXFContext *mxf, KLVPacket *klv)
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@ -435,7 +413,6 @@ static int mxf_read_metadata_sequence(MXFContext *mxf, KLVPacket *klv)
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ByteIOContext *pb = &mxf->fc->pb;
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MXFSequence *sequence = av_mallocz(sizeof(*sequence));
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int bytes_read = 0;
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int i, j;
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while (bytes_read < klv->length) {
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int tag = get_be16(pb);
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@ -454,11 +431,9 @@ static int mxf_read_metadata_sequence(MXFContext *mxf, KLVPacket *klv)
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break;
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case 0x1001:
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sequence->structural_components_count = get_be32(pb);
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if (sequence->structural_components_count >= UINT_MAX / sizeof(UID) ||
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sequence->structural_components_count >= UINT_MAX / sizeof(*sequence->structural_components))
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if (sequence->structural_components_count >= UINT_MAX / sizeof(UID))
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return -1;
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sequence->structural_components_refs = av_malloc(sequence->structural_components_count * sizeof(UID));
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sequence->structural_components = av_mallocz(sequence->structural_components_count * sizeof(*sequence->structural_components));
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url_fskip(pb, 4); /* useless size of objects, always 16 according to specs */
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get_buffer(pb, sequence->structural_components_refs, sequence->structural_components_count * sizeof(UID));
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break;
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@ -467,19 +442,8 @@ static int mxf_read_metadata_sequence(MXFContext *mxf, KLVPacket *klv)
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}
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bytes_read += size + 4;
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}
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for (i = 0; i < mxf->packages_count; i++) {
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if (mxf->packages[i]) {
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for (j = 0; j < mxf->packages[i]->tracks_count; j++) {
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if (mxf->packages[i]->tracks[j]) {
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if (!memcmp(mxf->packages[i]->tracks[j]->sequence_ref, sequence->uid, 16)) {
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mxf->packages[i]->tracks[j]->sequence = sequence;
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return 0;
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}
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}
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}
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}
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}
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return -1;
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sequence->type = Sequence;
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return mxf_add_metadata_set(mxf, sequence);
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}
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static int mxf_read_metadata_source_package(MXFContext *mxf, KLVPacket *klv)
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@ -487,9 +451,7 @@ static int mxf_read_metadata_source_package(MXFContext *mxf, KLVPacket *klv)
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ByteIOContext *pb = &mxf->fc->pb;
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MXFPackage *package = av_mallocz(sizeof(*package));
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int bytes_read = 0;
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int i;
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package->type = SourcePackage;
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while (bytes_read < klv->length) {
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int tag = get_be16(pb);
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int size = get_be16(pb); /* KLV specified by 0x53 */
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@ -501,11 +463,9 @@ static int mxf_read_metadata_source_package(MXFContext *mxf, KLVPacket *klv)
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break;
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case 0x4403:
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package->tracks_count = get_be32(pb);
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if (package->tracks_count >= UINT_MAX / sizeof(UID) ||
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package->tracks_count >= UINT_MAX / sizeof(*package->tracks))
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if (package->tracks_count >= UINT_MAX / sizeof(UID))
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return -1;
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package->tracks_refs = av_malloc(package->tracks_count * sizeof(UID));
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package->tracks = av_mallocz(package->tracks_count * sizeof(*package->tracks));
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url_fskip(pb, 4); /* useless size of objects, always 16 according to specs */
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get_buffer(pb, package->tracks_refs, package->tracks_count * sizeof(UID));
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break;
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@ -522,13 +482,8 @@ static int mxf_read_metadata_source_package(MXFContext *mxf, KLVPacket *klv)
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}
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bytes_read += size + 4;
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}
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for (i = 0; i < mxf->packages_count; i++) {
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if (!memcmp(mxf->packages_refs[i], package->uid, 16)) {
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mxf->packages[i] = package;
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return 0;
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}
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}
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return -1;
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package->type = SourcePackage;
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return mxf_add_metadata_set(mxf, package);
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}
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static int mxf_read_metadata_multiple_descriptor(MXFContext *mxf, KLVPacket *klv)
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@ -536,7 +491,6 @@ static int mxf_read_metadata_multiple_descriptor(MXFContext *mxf, KLVPacket *klv
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ByteIOContext *pb = &mxf->fc->pb;
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MXFDescriptor *descriptor = av_mallocz(sizeof(*descriptor));
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int bytes_read = 0;
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int i;
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while (bytes_read < klv->length) {
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int tag = get_be16(pb);
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@ -549,11 +503,9 @@ static int mxf_read_metadata_multiple_descriptor(MXFContext *mxf, KLVPacket *klv
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break;
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case 0x3F01:
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descriptor->sub_descriptors_count = get_be32(pb);
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if (descriptor->sub_descriptors_count >= UINT_MAX / sizeof(UID) ||
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descriptor->sub_descriptors_count >= UINT_MAX / sizeof(*descriptor->sub_descriptors))
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if (descriptor->sub_descriptors_count >= UINT_MAX / sizeof(UID))
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return -1;
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descriptor->sub_descriptors_refs = av_malloc(descriptor->sub_descriptors_count * sizeof(UID));
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descriptor->sub_descriptors = av_mallocz(descriptor->sub_descriptors_count * sizeof(*descriptor->sub_descriptors));
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url_fskip(pb, 4); /* useless size of objects, always 16 according to specs */
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get_buffer(pb, descriptor->sub_descriptors_refs, descriptor->sub_descriptors_count * sizeof(UID));
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break;
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@ -562,15 +514,8 @@ static int mxf_read_metadata_multiple_descriptor(MXFContext *mxf, KLVPacket *klv
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}
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bytes_read += size + 4;
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}
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for (i = 0; i < mxf->packages_count; i++) {
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if (mxf->packages[i]) {
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if (!memcmp(mxf->packages[i]->descriptor_ref, descriptor->uid, 16)) {
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mxf->packages[i]->descriptor = descriptor;
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return 0;
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}
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}
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}
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return -1;
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descriptor->type = MultipleDescriptor;
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return mxf_add_metadata_set(mxf, descriptor);
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}
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static void mxf_read_metadata_pixel_layout(ByteIOContext *pb, MXFDescriptor *descriptor)
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@ -601,7 +546,6 @@ static int mxf_read_metadata_generic_descriptor(MXFContext *mxf, KLVPacket *klv)
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ByteIOContext *pb = &mxf->fc->pb;
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MXFDescriptor *descriptor = av_mallocz(sizeof(*descriptor));
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int bytes_read = 0;
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int i, j;
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while (bytes_read < klv->length) {
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int tag = get_be16(pb);
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@ -652,22 +596,8 @@ static int mxf_read_metadata_generic_descriptor(MXFContext *mxf, KLVPacket *klv)
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}
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bytes_read += size + 4;
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}
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for (i = 0; i < mxf->packages_count; i++) {
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if (mxf->packages[i]) {
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if (!memcmp(mxf->packages[i]->descriptor_ref, descriptor->uid, 16)) {
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mxf->packages[i]->descriptor = descriptor;
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return 0;
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} else if (mxf->packages[i]->descriptor) { /* MultipleDescriptor */
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for (j = 0; j < mxf->packages[i]->descriptor->sub_descriptors_count; j++) {
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if (!memcmp(mxf->packages[i]->descriptor->sub_descriptors_refs[j], descriptor->uid, 16)) {
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mxf->packages[i]->descriptor->sub_descriptors[j] = descriptor;
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return 0;
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}
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}
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}
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}
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||||
}
|
||||
return -1;
|
||||
descriptor->type = Descriptor;
|
||||
return mxf_add_metadata_set(mxf, descriptor);
|
||||
}
|
||||
|
||||
/* SMPTE RP224 http://www.smpte-ra.org/mdd/index.html */
|
||||
@ -712,16 +642,36 @@ static enum CodecID mxf_get_codec_id(const MXFCodecUL *uls, UID *uid)
|
||||
return CODEC_ID_NONE;
|
||||
}
|
||||
|
||||
static void *mxf_resolve_strong_ref(MXFContext *mxf, UID *strong_ref)
|
||||
{
|
||||
int i;
|
||||
|
||||
if (!strong_ref)
|
||||
return NULL;
|
||||
for (i = 0; i < mxf->metadata_sets_count; i++) {
|
||||
if (!memcmp(*strong_ref, mxf->metadata_sets[i]->uid, 16)) {
|
||||
return mxf->metadata_sets[i];
|
||||
}
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static int mxf_parse_structural_metadata(MXFContext *mxf)
|
||||
{
|
||||
MXFPackage *material_package = NULL;
|
||||
MXFPackage *source_package = NULL;
|
||||
MXFPackage *temp_package = NULL;
|
||||
int i, j, k;
|
||||
|
||||
dprintf("metadata sets count %d\n", mxf->metadata_sets_count);
|
||||
/* 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];
|
||||
if (!(temp_package = mxf_resolve_strong_ref(mxf, &mxf->packages_refs[i]))) {
|
||||
av_log(mxf->fc, AV_LOG_ERROR, "could not resolve package strong ref\n");
|
||||
return -1;
|
||||
}
|
||||
if (temp_package->type == MaterialPackage) {
|
||||
material_package = temp_package;
|
||||
break;
|
||||
}
|
||||
}
|
||||
@ -731,22 +681,37 @@ static int mxf_parse_structural_metadata(MXFContext *mxf)
|
||||
}
|
||||
|
||||
for (i = 0; i < material_package->tracks_count; i++) {
|
||||
MXFTrack *material_track = material_package->tracks[i];
|
||||
MXFTrack *material_track = NULL;
|
||||
MXFTrack *source_track = NULL;
|
||||
MXFTrack *temp_track = NULL;
|
||||
MXFDescriptor *descriptor = NULL;
|
||||
MXFStructuralComponent *component = NULL;
|
||||
AVStream *st;
|
||||
|
||||
if (!(material_track = mxf_resolve_strong_ref(mxf, &material_package->tracks_refs[i]))) {
|
||||
av_log(mxf->fc, AV_LOG_ERROR, "could not resolve material track strong ref\n");
|
||||
continue;
|
||||
}
|
||||
|
||||
if (!(material_track->sequence = mxf_resolve_strong_ref(mxf, &material_track->sequence_ref))) {
|
||||
av_log(mxf->fc, AV_LOG_ERROR, "could not resolve material track sequence strong ref\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* 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 */
|
||||
component = mxf_resolve_strong_ref(mxf, &material_track->sequence->structural_components_refs[j]);
|
||||
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];
|
||||
if (!(temp_package = mxf_resolve_strong_ref(mxf, &mxf->packages_refs[k]))) {
|
||||
av_log(mxf->fc, AV_LOG_ERROR, "could not resolve source track strong ref\n");
|
||||
return -1;
|
||||
}
|
||||
if (!memcmp(temp_package->package_uid, component->source_package_uid, 16)) {
|
||||
source_package = temp_package;
|
||||
break;
|
||||
}
|
||||
}
|
||||
@ -755,8 +720,12 @@ static int mxf_parse_structural_metadata(MXFContext *mxf)
|
||||
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];
|
||||
if (!(temp_track = mxf_resolve_strong_ref(mxf, &source_package->tracks_refs[k]))) {
|
||||
av_log(mxf->fc, AV_LOG_ERROR, "could not resolve source track strong ref\n");
|
||||
return -1;
|
||||
}
|
||||
if (temp_track->track_id == component->source_track_id) {
|
||||
source_track = temp_track;
|
||||
break;
|
||||
}
|
||||
}
|
||||
@ -775,6 +744,12 @@ static int mxf_parse_structural_metadata(MXFContext *mxf)
|
||||
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);
|
||||
|
||||
if (!(source_track->sequence = mxf_resolve_strong_ref(mxf, &source_track->sequence_ref))) {
|
||||
av_log(mxf->fc, AV_LOG_ERROR, "could not resolve source track sequence strong ref\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
#ifdef DEBUG
|
||||
PRINT_KEY(source_track->sequence->data_definition_ul);
|
||||
#endif
|
||||
@ -785,19 +760,23 @@ static int mxf_parse_structural_metadata(MXFContext *mxf)
|
||||
else
|
||||
st->codec->codec_type = CODEC_TYPE_DATA;
|
||||
|
||||
source_package->descriptor = mxf_resolve_strong_ref(mxf, &source_package->descriptor_ref);
|
||||
if (source_package->descriptor) {
|
||||
if (source_package->descriptor->sub_descriptors_count > 0) { /* SourcePackage has MultipleDescriptor */
|
||||
if (source_package->descriptor->type == 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;
|
||||
}
|
||||
MXFDescriptor *sub_descriptor = mxf_resolve_strong_ref(mxf, &source_package->descriptor->sub_descriptors_refs[j]);
|
||||
|
||||
if (!sub_descriptor) {
|
||||
av_log(mxf->fc, AV_LOG_ERROR, "could not resolve sub descriptor strong ref\n");
|
||||
continue;
|
||||
}
|
||||
if (sub_descriptor->linked_track_id == source_track->track_id) {
|
||||
descriptor = sub_descriptor;
|
||||
break;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
} 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);
|
||||
@ -891,35 +870,29 @@ static int mxf_read_header(AVFormatContext *s, AVFormatParameters *ap)
|
||||
static int mxf_read_close(AVFormatContext *s)
|
||||
{
|
||||
MXFContext *mxf = s->priv_data;
|
||||
int i, j, k;
|
||||
int i;
|
||||
|
||||
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);
|
||||
for (i = 0; i < mxf->metadata_sets_count; i++) {
|
||||
switch (mxf->metadata_sets[i]->type) {
|
||||
case MultipleDescriptor:
|
||||
av_freep(&((MXFDescriptor *)mxf->metadata_sets[i])->sub_descriptors_refs);
|
||||
break;
|
||||
case Sequence:
|
||||
av_freep(&((MXFSequence *)mxf->metadata_sets[i])->structural_components_refs);
|
||||
break;
|
||||
case SourcePackage:
|
||||
case MaterialPackage:
|
||||
av_freep(&((MXFPackage *)mxf->metadata_sets[i])->tracks_refs);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
av_freep(&mxf->metadata_sets[i]);
|
||||
}
|
||||
av_freep(&mxf->metadata_sets);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user