virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-04-19 09:02:26 +02:00
Code Issues Releases Activity

RTSP: Shrink SDP fmtp parsing buffer size

Browse Source 
Since the parsing of Vorbis/Theora fmtp headers is handled by the
parse_sdp_a_line function pointer now, the buffer in sdp_parse_fmtp
doesn't need to be this large any longer.

Patch by Josh Allmann, joshua dot allmann at gmail

Originally committed as revision 23599 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Josh Allmann 2010-06-14 08:23:59 +00:00 committed by Martin Storsjö
parent 41874d0a5d
commit afcea58c53
1 changed files with 3 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
libavformat/rtsp.c
View File

@ -273,9 +273,7 @@ int ff_rtsp_next_attr_and_value(const char **p, char *attr, int attr_size,
static void sdp_parse_fmtp(AVStream *st, const char *p) static void sdp_parse_fmtp(AVStream *st, const char *p)
{ {
char attr[256]; char attr[256];
/* Vorbis setup headers can be up to 12KB and are sent base64 char value[4096];
* encoded, giving a 12KB * (4/3) = 16KB FMTP line. */
char value[16384];
int i; int i;
RTSPStream *rtsp_st = st->priv_data; RTSPStream *rtsp_st = st->priv_data;
AVCodecContext *codec = st->codec; AVCodecContext *codec = st->codec;
@ -541,7 +539,8 @@ static int sdp_parse(AVFormatContext *s, const char *content)
* "rulebooks" describing their properties. Therefore, the SDP line * "rulebooks" describing their properties. Therefore, the SDP line
* buffer is large. * buffer is large.
* *
* The Vorbis FMTP line can be up to 16KB - see sdp_parse_fmtp. */ * The Vorbis FMTP line can be up to 16KB - see xiph_parse_sdp_line
* in rtpdec_xiph.c. */
char buf[16384], *q; char buf[16384], *q;
SDPParseState sdp_parse_state, *s1 = &sdp_parse_state; SDPParseState sdp_parse_state, *s1 = &sdp_parse_state;