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matroskadec: remove some unused ebml funcs

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Originally committed as revision 14574 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2008-08-05 00:41:07 +00:00
parent 209472b45d
commit 3143f13345
1 changed files with 0 additions and 52 deletions
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52
libavformat/matroskadec.c
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@ -688,45 +688,6 @@ ebml_read_uint (MatroskaDemuxContext *matroska,
return 0;
}
/*
* Read the next element as a signed int.
* 0 is success, < 0 is failure.
*/
static int
ebml_read_sint (MatroskaDemuxContext *matroska,
uint32_t *id,
int64_t *num)
{
ByteIOContext *pb = matroska->ctx->pb;
int size, n = 1, negative = 0, res;
uint64_t rlength;
if ((res = ebml_read_element_id(matroska, id, NULL)) < 0 ||
(res = ebml_read_element_length(matroska, &rlength)) < 0)
return res;
size = rlength;
if (size < 1 || size > 8) {
offset_t pos = url_ftell(pb);
av_log(matroska->ctx, AV_LOG_ERROR,
"Invalid sint element size %d at position %"PRId64" (0x%"PRIx64")\n",
size, pos, pos);
return AVERROR_INVALIDDATA;
}
if ((*num = get_byte(pb)) & 0x80) {
negative = 1;
*num &= ~0x80;
}
while (n++ < size)
*num = (*num << 8) | get_byte(pb);
/* make signed */
if (negative)
*num = *num - (1LL << ((8 * size) - 1));
return 0;
}
/*
* Read the next element as a float.
* 0 is success, < 0 is failure.
@ -798,19 +759,6 @@ ebml_read_ascii (MatroskaDemuxContext *matroska,
return 0;
}
/*
* Read the next element as a UTF-8 string.
* 0 is success, < 0 is failure.
*/
static int
ebml_read_utf8 (MatroskaDemuxContext *matroska,
uint32_t *id,
char **str)
{
return ebml_read_ascii(matroska, id, str);
}
/*
* Read the next element, but only the header. The contents
* are supposed to be sub-elements which can be read separately.