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matroskadec: fix type of the length field in ebml_read_master()

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Also use the correct value for unknown size (instead of a truncated
and sign extended value).

Originally committed as revision 23591 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2010-06-11 17:16:43 +00:00
parent 739178107c
commit bddd1d93e5
1 changed files with 2 additions and 2 deletions
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4
libavformat/matroskadec.c
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@ -657,7 +657,7 @@ static int ebml_read_binary(ByteIOContext *pb, int length, EbmlBin *bin)
* are supposed to be sub-elements which can be read separately.
* 0 is success, < 0 is failure.
*/
static int ebml_read_master(MatroskaDemuxContext *matroska, int length)
static int ebml_read_master(MatroskaDemuxContext *matroska, uint64_t length)
{
ByteIOContext *pb = matroska->ctx->pb;
MatroskaLevel *level;
@ -718,7 +718,7 @@ static int ebml_parse_id(MatroskaDemuxContext *matroska, EbmlSyntax *syntax,
break;
if (!syntax[i].id && id == MATROSKA_ID_CLUSTER &&
matroska->num_levels > 0 &&
matroska->levels[matroska->num_levels-1].length == 0xffffffffffffffff)
matroska->levels[matroska->num_levels-1].length == 0xffffffffffffff)
return 0; // we reached the end of an unknown size cluster
if (!syntax[i].id && id != EBML_ID_VOID && id != EBML_ID_CRC32)
av_log(matroska->ctx, AV_LOG_INFO, "Unknown entry 0x%X\n", id);