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matroskadec: expand useless ebml_read_element_id() wrapper

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Originally committed as revision 14610 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2008-08-05 00:42:58 +00:00
parent 33ac07ea08
commit 88cca98947
1 changed files with 3 additions and 19 deletions
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22
libavformat/matroskadec.c
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@ -521,23 +521,6 @@ static int ebml_read_num(MatroskaDemuxContext *matroska, ByteIOContext *pb,
return read;
}
/*
* Read: the element content data ID.
* 0 is success, < 0 is failure.
*/
static int ebml_read_element_id(MatroskaDemuxContext *matroska, uint32_t *id)
{
int read;
uint64_t total;
/* read out the "EBML number", include tag in ID */
if ((read = ebml_read_num(matroska, matroska->ctx->pb, 4, &total)) < 0)
return read;
*id = total | (1 << (read * 7));
return 0;
}
/*
* Read the next element as an unsigned int.
* 0 is success, < 0 is failure.
@ -683,8 +666,9 @@ static int ebml_parse_id(MatroskaDemuxContext *matroska, EbmlSyntax *syntax,
static int ebml_parse(MatroskaDemuxContext *matroska, EbmlSyntax *syntax,
void *data)
{
uint32_t id;
int res = ebml_read_element_id(matroska, &id);
uint64_t id;
int res = ebml_read_num(matroska, matroska->ctx->pb, 4, &id);
id |= 1 << 7*res;
return res < 0 ? res : ebml_parse_id(matroska, syntax, id, data);
}