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Code Issues Releases Wiki Activity

demux_mkv: remove redundant check

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This commit is contained in:
wm4 2013-04-12 14:57:06 +02:00
parent b3d12c3d54
commit 6da399caeb
1 changed files with 40 additions and 42 deletions
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82
demux/demux_mkv.c
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@ -2296,50 +2296,48 @@ static int read_next_block(demuxer_t *demuxer, struct block_info *block)
while (1) {
while (stream_tell(s) < mkv_d->cluster_end) {
if (stream_tell(s) < mkv_d->cluster_end) {
int64_t start_filepos = stream_tell(s);
switch (ebml_read_id(s, NULL)) {
case MATROSKA_ID_TIMECODE: {
uint64_t num = ebml_read_uint(s, NULL);
if (num == EBML_UINT_INVALID)
goto find_next_cluster;
mkv_d->cluster_tc = num * mkv_d->tc_scale;
break;
}
case MATROSKA_ID_BLOCKGROUP: {
int64_t end = ebml_read_length(s, NULL);
end += stream_tell(s);
int res = read_block_group(demuxer, end, block);
if (res < 0)
goto find_next_cluster;
if (res > 0)
return 1;
break;
}
case MATROSKA_ID_SIMPLEBLOCK: {
*block = (struct block_info){ .simple = true };
int res = read_block(demuxer, block);
if (res < 0)
goto find_next_cluster;
if (res > 0)
return 1;
break;
}
case MATROSKA_ID_CLUSTER:
mkv_d->cluster_start = start_filepos;
goto next_cluster;
case EBML_ID_INVALID:
int64_t start_filepos = stream_tell(s);
switch (ebml_read_id(s, NULL)) {
case MATROSKA_ID_TIMECODE: {
uint64_t num = ebml_read_uint(s, NULL);
if (num == EBML_UINT_INVALID)
goto find_next_cluster;
mkv_d->cluster_tc = num * mkv_d->tc_scale;
break;
}
default: ;
if (ebml_read_skip_or_resync_cluster(s, NULL) != 0)
goto find_next_cluster;
break;
}
case MATROSKA_ID_BLOCKGROUP: {
int64_t end = ebml_read_length(s, NULL);
end += stream_tell(s);
int res = read_block_group(demuxer, end, block);
if (res < 0)
goto find_next_cluster;
if (res > 0)
return 1;
break;
}
case MATROSKA_ID_SIMPLEBLOCK: {
*block = (struct block_info){ .simple = true };
int res = read_block(demuxer, block);
if (res < 0)
goto find_next_cluster;
if (res > 0)
return 1;
break;
}
case MATROSKA_ID_CLUSTER:
mkv_d->cluster_start = start_filepos;
goto next_cluster;
case EBML_ID_INVALID:
goto find_next_cluster;
default: ;
if (ebml_read_skip_or_resync_cluster(s, NULL) != 0)
goto find_next_cluster;
break;
}
}