@@ -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