argh, who commited this trash

start must be 0 ...

Originally committed as revision 8563 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2007-03-30 22:10:25 +00:00
parent 8ec491e3fd
commit 09a628662d

View File

@ -40,9 +40,7 @@ static int tta_read_header(AVFormatContext *s, AVFormatParameters *ap)
{
TTAContext *c = s->priv_data;
AVStream *st;
int i, channels, bps, samplerate, datalen, framelen, start;
start = url_ftell(&s->pb);
int i, channels, bps, samplerate, datalen, framelen;
if (get_le32(&s->pb) != ff_get_fourcc("TTA1"))
return -1; // not tta file
@ -90,14 +88,14 @@ static int tta_read_header(AVFormatContext *s, AVFormatParameters *ap)
st->codec->sample_rate = samplerate;
st->codec->bits_per_sample = bps;
st->codec->extradata_size = url_ftell(&s->pb) - start;
st->codec->extradata_size = url_ftell(&s->pb);
if(st->codec->extradata_size+FF_INPUT_BUFFER_PADDING_SIZE <= (unsigned)st->codec->extradata_size){
//this check is redundant as get_buffer should fail
av_log(s, AV_LOG_ERROR, "extradata_size too large\n");
return -1;
}
st->codec->extradata = av_mallocz(st->codec->extradata_size+FF_INPUT_BUFFER_PADDING_SIZE);
url_fseek(&s->pb, start, SEEK_SET); // or SEEK_CUR and -size ? :)
url_fseek(&s->pb, 0, SEEK_SET);
get_buffer(&s->pb, st->codec->extradata, st->codec->extradata_size);
return 0;