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matroskadec: remove now useless wrapper ebml_read_seek() 

Originally committed as revision 14602 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2008-08-05 00:42:33 +00:00
parent 5c5373cea4
commit 66cfc3856c
1 changed files with 4 additions and 14 deletions
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18
libavformat/matroskadec.c
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@ -550,17 +550,6 @@ static int ebml_read_element_length(MatroskaDemuxContext *matroska,
return ebml_read_num(matroska, 8, length);
}
/*
* Seek to a given offset.
* 0 is success, -1 is failure.
*/
static int ebml_read_seek(MatroskaDemuxContext *matroska, offset_t offset)
{
ByteIOContext *pb = matroska->ctx->pb;
return (url_fseek(pb, offset, SEEK_SET) == offset) ? 0 : -1;
}
/*
* Read the next element as an unsigned int.
* 0 is success, < 0 is failure.
@ -1034,14 +1023,15 @@ static void matroska_execute_seekhead(MatroskaDemuxContext *matroska)
int i;
for (i=0; i<seekhead_list->nb_elem; i++) {
offset_t offset = seekhead[i].pos + matroska->segment_start;
if (seekhead[i].pos <= before_pos
|| seekhead[i].id == MATROSKA_ID_SEEKHEAD
|| seekhead[i].id == MATROSKA_ID_CLUSTER)
continue;
/* seek */
if (ebml_read_seek(matroska,
seekhead[i].pos+matroska->segment_start) < 0)
if (url_fseek(matroska->ctx->pb, offset, SEEK_SET) != offset)
continue;
/* we don't want to lose our seekhead level, so we add
@ -1069,7 +1059,7 @@ static void matroska_execute_seekhead(MatroskaDemuxContext *matroska)
}
/* seek back */
ebml_read_seek(matroska, before_pos);
url_fseek(matroska->ctx->pb, before_pos, SEEK_SET);
matroska->level_up = level_up;
}