diff options
Diffstat (limited to 'libavformat/sdp.c')
| -rw-r--r-- | libavformat/sdp.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/libavformat/sdp.c b/libavformat/sdp.c index a14a2392b5..fe43e04361 100644 --- a/libavformat/sdp.c +++ b/libavformat/sdp.c @@ -498,6 +498,20 @@ static char *sdp_write_media_attributes(char *buff, int size, AVCodecContext *c, payload_type, mode, config ? config : ""); break; } + case AV_CODEC_ID_H261: + { + const char *pic_fmt = NULL; + /* only QCIF and CIF are specified as supported in RFC 4587 */ + if (c->width == 176 && c->height == 144) + pic_fmt = "QCIF=1"; + else if (c->width == 352 && c->height == 288) + pic_fmt = "CIF=1"; + if (payload_type >= RTP_PT_PRIVATE) + av_strlcatf(buff, size, "a=rtpmap:%d H261/90000\r\n", payload_type); + if (pic_fmt) + av_strlcatf(buff, size, "a=fmtp:%d %s\r\n", payload_type, pic_fmt); + break; + } case AV_CODEC_ID_H263: case AV_CODEC_ID_H263P: /* a=framesize is required by 3GPP TS 26.234 (PSS). It |