rtpdec_asf: Propagate errors from the chained av_open_input_stream

This fixes the crash in issue 2070.

Originally committed as revision 24059 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Martin Storsjö 2010-07-05 16:46:00 +00:00
parent 748db0fcc4
commit 0fca8d24ee
2 changed files with 7 additions and 3 deletions

View File

@ -91,8 +91,9 @@ static void init_packetizer(ByteIOContext *pb, uint8_t *buf, int len)
pb->buf_end = buf + len;
}
void ff_wms_parse_sdp_a_line(AVFormatContext *s, const char *p)
int ff_wms_parse_sdp_a_line(AVFormatContext *s, const char *p)
{
int ret = 0;
if (av_strstart(p, "pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,", &p)) {
ByteIOContext pb;
RTSPState *rt = s->priv_data;
@ -108,11 +109,14 @@ void ff_wms_parse_sdp_a_line(AVFormatContext *s, const char *p)
av_close_input_stream(rt->asf_ctx);
rt->asf_ctx = NULL;
}
av_open_input_stream(&rt->asf_ctx, &pb, "", &asf_demuxer, NULL);
ret = av_open_input_stream(&rt->asf_ctx, &pb, "", &asf_demuxer, NULL);
if (ret < 0)
return ret;
rt->asf_pb_pos = url_ftell(&pb);
av_free(buf);
rt->asf_ctx->pb = NULL;
}
return ret;
}
static int asfrtp_parse_sdp_line(AVFormatContext *s, int stream_index,

View File

@ -30,7 +30,7 @@
*
* @param s RTSP demux context
*/
void ff_wms_parse_sdp_a_line(AVFormatContext *s, const char *p);
int ff_wms_parse_sdp_a_line(AVFormatContext *s, const char *p);
/**
* Handlers for the x-asf-pf payloads (the payload ID for RTP/ASF).