[Ffmpeg-cvslog] r7448 - trunk/libavformat/mxf.c
reimar
subversion
Sat Jan 13 19:54:48 CET 2007
Author: reimar
Date: Sat Jan 13 19:54:48 2007
New Revision: 7448
Modified:
trunk/libavformat/mxf.c
Log:
Extend mxf_resolve_strong_ref by a type parameter, to avoid modify something
that actually has a different type.
Modified: trunk/libavformat/mxf.c
==============================================================================
--- trunk/libavformat/mxf.c (original)
+++ trunk/libavformat/mxf.c Sat Jan 13 19:54:48 2007
@@ -741,14 +741,15 @@
return uls->type;
}
-static void *mxf_resolve_strong_ref(MXFContext *mxf, UID *strong_ref)
+static void *mxf_resolve_strong_ref(MXFContext *mxf, UID *strong_ref, enum MXFMetadataSetType type)
{
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)) {
+ if (!memcmp(*strong_ref, mxf->metadata_sets[i]->uid, 16) &&
+ mxf->metadata_sets[i]->type == type) {
return mxf->metadata_sets[i];
}
}
@@ -764,14 +765,8 @@
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 (!(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;
- }
+ material_package = mxf_resolve_strong_ref(mxf, &mxf->packages_refs[i], MaterialPackage);
+ if (material_package) break;
}
if (!material_package) {
av_log(mxf->fc, AV_LOG_ERROR, "no material package found\n");
@@ -789,12 +784,12 @@
const MXFCodecUL *container_ul = NULL;
AVStream *st;
- if (!(material_track = mxf_resolve_strong_ref(mxf, &material_package->tracks_refs[i]))) {
+ if (!(material_track = mxf_resolve_strong_ref(mxf, &material_package->tracks_refs[i], Track))) {
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))) {
+ if (!(material_track->sequence = mxf_resolve_strong_ref(mxf, &material_track->sequence_ref, Sequence))) {
av_log(mxf->fc, AV_LOG_ERROR, "could not resolve material track sequence strong ref\n");
return -1;
}
@@ -802,15 +797,14 @@
/* TODO: handle multiple source clips */
for (j = 0; j < material_track->sequence->structural_components_count; j++) {
/* TODO: handle timecode component */
- component = mxf_resolve_strong_ref(mxf, &material_track->sequence->structural_components_refs[j]);
- if (!component || component->type != SourceClip)
+ component = mxf_resolve_strong_ref(mxf, &material_track->sequence->structural_components_refs[j], SourceClip);
+ if (!component)
continue;
for (k = 0; k < mxf->packages_count; k++) {
- if (!(temp_package = mxf_resolve_strong_ref(mxf, &mxf->packages_refs[k]))) {
- av_log(mxf->fc, AV_LOG_ERROR, "could not resolve package strong ref\n");
- return -1;
- }
+ temp_package = mxf_resolve_strong_ref(mxf, &mxf->packages_refs[k], SourcePackage);
+ if (!temp_package)
+ continue;
if (!memcmp(temp_package->package_uid, component->source_package_uid, 16)) {
source_package = temp_package;
break;
@@ -821,7 +815,7 @@
break;
}
for (k = 0; k < source_package->tracks_count; k++) {
- if (!(temp_track = mxf_resolve_strong_ref(mxf, &source_package->tracks_refs[k]))) {
+ if (!(temp_track = mxf_resolve_strong_ref(mxf, &source_package->tracks_refs[k], Track))) {
av_log(mxf->fc, AV_LOG_ERROR, "could not resolve source track strong ref\n");
return -1;
}
@@ -846,7 +840,7 @@
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))) {
+ if (!(source_track->sequence = mxf_resolve_strong_ref(mxf, &source_track->sequence_ref, Sequence))) {
av_log(mxf->fc, AV_LOG_ERROR, "could not resolve source track sequence strong ref\n");
return -1;
}
@@ -856,11 +850,11 @@
#endif
st->codec->codec_type = mxf_get_codec_type(mxf_data_definition_uls, &source_track->sequence->data_definition_ul);
- source_package->descriptor = mxf_resolve_strong_ref(mxf, &source_package->descriptor_ref);
+ source_package->descriptor = mxf_resolve_strong_ref(mxf, &source_package->descriptor_ref, Descriptor);
if (source_package->descriptor) {
if (source_package->descriptor->type == MultipleDescriptor) {
for (j = 0; j < source_package->descriptor->sub_descriptors_count; j++) {
- MXFDescriptor *sub_descriptor = mxf_resolve_strong_ref(mxf, &source_package->descriptor->sub_descriptors_refs[j]);
+ MXFDescriptor *sub_descriptor = mxf_resolve_strong_ref(mxf, &source_package->descriptor->sub_descriptors_refs[j], Descriptor);
if (!sub_descriptor) {
av_log(mxf->fc, AV_LOG_ERROR, "could not resolve sub descriptor strong ref\n");
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