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correctly handle sony mpeg4 extradata 

Originally committed as revision 11571 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2008-01-19 19:58:48 +00:00
parent 6e3ea4461f
commit bb085dd6f1
1 changed files with 6 additions and 2 deletions
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8
libavformat/mxf.c
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@ -180,6 +180,7 @@ static const uint8_t mxf_klv_key[] = { 0x06,0x0e,0x2b,0x
static const uint8_t mxf_crypto_source_container_ul[] = { 0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0x09,0x06,0x01,0x01,0x02,0x02,0x00,0x00,0x00 };
static const uint8_t mxf_encrypted_triplet_key[] = { 0x06,0x0e,0x2b,0x34,0x02,0x04,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x7e,0x01,0x00 };
static const uint8_t mxf_encrypted_essence_container[] = { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0b,0x01,0x00 };
static const uint8_t mxf_sony_mpeg4_extradata[] = { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0e,0x06,0x06,0x02,0x02,0x01,0x00,0x00 };
#define IS_KLV_KEY(x, y) (!memcmp(x, y, sizeof(y)))
@ -553,7 +554,7 @@ static void mxf_read_pixel_layout(ByteIOContext *pb, MXFDescriptor *descriptor)
} while (code != 0); /* SMPTE 377M E.2.46 */
}
static int mxf_read_generic_descriptor(MXFDescriptor *descriptor, ByteIOContext *pb, int tag, int size)
static int mxf_read_generic_descriptor(MXFDescriptor *descriptor, ByteIOContext *pb, int tag, int size, UID uid)
{
switch(tag) {
case 0x3F01:
@ -601,12 +602,15 @@ static int mxf_read_generic_descriptor(MXFDescriptor *descriptor, ByteIOContext
case 0x3401:
mxf_read_pixel_layout(pb, descriptor);
break;
case 0x8201: /* Private tag used by SONY C0023S01.mxf */
default:
/* Private uid used by SONY C0023S01.mxf */
if (IS_KLV_KEY(uid, mxf_sony_mpeg4_extradata)) {
descriptor->extradata = av_malloc(size);
if (!descriptor->extradata)
return -1;
descriptor->extradata_size = size;
get_buffer(pb, descriptor->extradata, size);
}
break;
}
return 0;