ffmpeg | branch: release/2.4 | Thomas Volkert <tho...@homer-conferencing.com> |
Sat Oct 4 00:17:01 2014 +0200| [a16558e12204e5ae4597d5d384bbfca293fe74cb] |
committer: Michael Niedermayer
sdp: add support for H.261
Signed-off-by: Michael Niedermayer <michae...@gmx.at>
(cherry picked from commit 1c4c78ee4073b2387681d916a167b758369b9216)
Conflicts:
libavformat/version.h
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a16558e12204e5ae4597d5d384bbfca293fe74cb
---
libavformat/sdp.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/libavformat/sdp.c b/libavformat/sdp.c
index 8c831f3..bc27eae 100644
--- a/libavformat/sdp.c
+++ b/libavformat/sdp.c
@@ -414,6 +414,19 @@ 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";
+ if (c->width == 352 && c->height == 288)
+ pic_fmt = "CIF=1";
+ 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
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