Clip,
};
+typedef int MXFMetadataReadFunc(void *arg, ByteIOContext *pb, int tag, int size, UID uid);
+
typedef struct {
const UID key;
- int (*read)();
+ MXFMetadataReadFunc *read;
int ctx_size;
enum MXFMetadataSetType type;
} MXFMetadataReadTableEntry;
return AVERROR_EOF;
}
-static int mxf_read_primer_pack(MXFContext *mxf)
+static int mxf_read_primer_pack(void *arg, ByteIOContext *pb, int tag, int size, UID uid)
{
- ByteIOContext *pb = mxf->fc->pb;
+ MXFContext *mxf = arg;
int item_num = get_be32(pb);
int item_len = get_be32(pb);
return 0;
}
-static int mxf_read_cryptographic_context(MXFCryptoContext *cryptocontext, ByteIOContext *pb, int tag, int size, UID uid)
+static int mxf_read_cryptographic_context(void *arg, ByteIOContext *pb, int tag, int size, UID uid)
{
+ MXFCryptoContext *cryptocontext = arg;
if (size != 16)
return -1;
if (IS_KLV_KEY(uid, mxf_crypto_source_container_ul))
return 0;
}
-static int mxf_read_content_storage(MXFContext *mxf, ByteIOContext *pb, int tag)
+static int mxf_read_content_storage(void *arg, ByteIOContext *pb, int tag, int size, UID uid)
{
+ MXFContext *mxf = arg;
switch (tag) {
case 0x1901:
mxf->packages_count = get_be32(pb);
return 0;
}
-static int mxf_read_source_clip(MXFStructuralComponent *source_clip, ByteIOContext *pb, int tag)
+static int mxf_read_source_clip(void *arg, ByteIOContext *pb, int tag, int size, UID uid)
{
+ MXFStructuralComponent *source_clip = arg;
switch(tag) {
case 0x0202:
source_clip->duration = get_be64(pb);
return 0;
}
-static int mxf_read_material_package(MXFPackage *package, ByteIOContext *pb, int tag)
+static int mxf_read_material_package(void *arg, ByteIOContext *pb, int tag, int size, UID uid)
{
+ MXFPackage *package = arg;
switch(tag) {
case 0x4403:
package->tracks_count = get_be32(pb);
return 0;
}
-static int mxf_read_track(MXFTrack *track, ByteIOContext *pb, int tag)
+static int mxf_read_track(void *arg, ByteIOContext *pb, int tag, int size, UID uid)
{
+ MXFTrack *track = arg;
switch(tag) {
case 0x4801:
track->track_id = get_be32(pb);
return 0;
}
-static int mxf_read_sequence(MXFSequence *sequence, ByteIOContext *pb, int tag)
+static int mxf_read_sequence(void *arg, ByteIOContext *pb, int tag, int size, UID uid)
{
+ MXFSequence *sequence = arg;
switch(tag) {
case 0x0202:
sequence->duration = get_be64(pb);
return 0;
}
-static int mxf_read_source_package(MXFPackage *package, ByteIOContext *pb, int tag)
+static int mxf_read_source_package(void *arg, ByteIOContext *pb, int tag, int size, UID uid)
{
+ MXFPackage *package = arg;
switch(tag) {
case 0x4403:
package->tracks_count = get_be32(pb);
return 0;
}
-static int mxf_read_index_table_segment(MXFIndexTableSegment *segment, ByteIOContext *pb, int tag)
+static int mxf_read_index_table_segment(void *arg, ByteIOContext *pb, int tag, int size, UID uid)
{
switch(tag) {
case 0x3F05: dprintf(NULL, "EditUnitByteCount %d\n", get_be32(pb)); break;
ff_mxf_decode_pixel_layout(layout, &descriptor->pix_fmt);
}
-static int mxf_read_generic_descriptor(MXFDescriptor *descriptor, ByteIOContext *pb, int tag, int size, UID uid)
+static int mxf_read_generic_descriptor(void *arg, ByteIOContext *pb, int tag, int size, UID uid)
{
+ MXFDescriptor *descriptor = arg;
switch(tag) {
case 0x3F01:
descriptor->sub_descriptors_count = get_be32(pb);
{ { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, NULL, 0, AnyType },
};
-static int mxf_read_local_tags(MXFContext *mxf, KLVPacket *klv, int (*read_child)(), int ctx_size, enum MXFMetadataSetType type)
+static int mxf_read_local_tags(MXFContext *mxf, KLVPacket *klv, MXFMetadataReadFunc *read_child, int ctx_size, enum MXFMetadataSetType type)
{
ByteIOContext *pb = mxf->fc->pb;
MXFMetadataSet *ctx = ctx_size ? av_mallocz(ctx_size) : mxf;
for (metadata = mxf_metadata_read_table; metadata->read; metadata++) {
if (IS_KLV_KEY(klv.key, metadata->key)) {
- int (*read)() = klv.key[5] == 0x53 ? mxf_read_local_tags : metadata->read;
- if (read(mxf, &klv, metadata->read, metadata->ctx_size, metadata->type) < 0) {
+ int res;
+ if (klv.key[5] == 0x53) {
+ res = mxf_read_local_tags(mxf, &klv, metadata->read, metadata->ctx_size, metadata->type);
+ } else
+ res = metadata->read(mxf, s->pb, 0, 0, NULL);
+ if (res < 0) {
av_log(s, AV_LOG_ERROR, "error reading header metadata\n");
return -1;
}