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lavf/mxfdec: Factorize mxf_read_close().

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This will allow to fix leaks in a subsequent commit.
This commit is contained in:
Carl Eugen Hoyos 2014-12-15 01:31:12 +01:00
parent fd77fbb390
commit 27bdfd29f1
1 changed files with 33 additions and 29 deletions
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62
libavformat/mxfdec.c
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@ -282,6 +282,38 @@ static const uint8_t mxf_sony_mpeg4_extradata[] = { 0x06,0x0e,0x2b,0x
#define IS_KLV_KEY(x, y) (!memcmp(x, y, sizeof(y)))
static void mxf_free_metadataset(MXFMetadataSet **ctx)
{
MXFIndexTableSegment *seg;
switch ((*ctx)->type) {
case Descriptor:
av_freep(&((MXFDescriptor *)*ctx)->extradata);
break;
case MultipleDescriptor:
av_freep(&((MXFDescriptor *)*ctx)->sub_descriptors_refs);
break;
case Sequence:
av_freep(&((MXFSequence *)*ctx)->structural_components_refs);
break;
case EssenceGroup:
av_freep(&((MXFEssenceGroup *)*ctx)->structural_components_refs);
break;
case SourcePackage:
case MaterialPackage:
av_freep(&((MXFPackage *)*ctx)->tracks_refs);
av_freep(&((MXFPackage *)*ctx)->name);
break;
case IndexTableSegment:
seg = (MXFIndexTableSegment *)*ctx;
av_freep(&seg->temporal_offset_entries);
av_freep(&seg->flag_entries);
av_freep(&seg->stream_offset_entries);
default:
break;
}
av_freep(ctx);
}
static int64_t klv_decode_ber_length(AVIOContext *pb)
{
uint64_t size = avio_r8(pb);
@ -2831,7 +2863,6 @@ static int mxf_read_packet(AVFormatContext *s, AVPacket *pkt)
static int mxf_read_close(AVFormatContext *s)
{
MXFContext *mxf = s->priv_data;
MXFIndexTableSegment *seg;
int i;
av_freep(&mxf->packages_refs);
@ -2840,34 +2871,7 @@ static int mxf_read_close(AVFormatContext *s)
s->streams[i]->priv_data = NULL;
for (i = 0; i < mxf->metadata_sets_count; i++) {
switch (mxf->metadata_sets[i]->type) {
case Descriptor:
av_freep(&((MXFDescriptor *)mxf->metadata_sets[i])->extradata);
break;
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 EssenceGroup:
av_freep(&((MXFEssenceGroup *)mxf->metadata_sets[i])->structural_components_refs);
break;
case SourcePackage:
case MaterialPackage:
av_freep(&((MXFPackage *)mxf->metadata_sets[i])->tracks_refs);
av_freep(&((MXFPackage *)mxf->metadata_sets[i])->name);
break;
case IndexTableSegment:
seg = (MXFIndexTableSegment *)mxf->metadata_sets[i];
av_freep(&seg->temporal_offset_entries);
av_freep(&seg->flag_entries);
av_freep(&seg->stream_offset_entries);
break;
default:
break;
}
av_freep(&mxf->metadata_sets[i]);
mxf_free_metadataset(mxf->metadata_sets + i);
}
av_freep(&mxf->partitions);
av_freep(&mxf->metadata_sets);