avcodec/dvdsub_parser: never return 0 when the input isnt 0

Fixes a infinite loop
Fixes Ticket3804

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-08-02 00:27:23 +02:00
parent afd62b3f18
commit cfdb30d2f1
1 changed files with 1 additions and 1 deletions

View File

@ -46,7 +46,7 @@ static int dvdsub_parse(AVCodecParserContext *s,
if (pc->packet_index == 0) {
if (buf_size < 2)
return 0;
return buf_size;
pc->packet_len = AV_RB16(buf);
if (pc->packet_len == 0) /* HD-DVD subpicture packet */
pc->packet_len = AV_RB32(buf+2);