+ case CODEC_ID_AMR_NB:
+ av_strlcatf(buff, size, "a=rtpmap:%d AMR/%d/%d\r\n"
+ "a=fmtp:%d octet-align=1\r\n",
+ payload_type, c->sample_rate, c->channels,
+ payload_type);
+ break;
+ case CODEC_ID_AMR_WB:
+ av_strlcatf(buff, size, "a=rtpmap:%d AMR-WB/%d/%d\r\n"
+ "a=fmtp:%d octet-align=1\r\n",
+ payload_type, c->sample_rate, c->channels,
+ payload_type);
+ break;
+ case CODEC_ID_VORBIS:
+ if (c->extradata_size)
+ config = xiph_extradata2config(c);
+ else
+ av_log(c, AV_LOG_ERROR, "Vorbis configuration info missing\n");
+ if (!config)
+ return NULL;
+
+ av_strlcatf(buff, size, "a=rtpmap:%d vorbis/%d/%d\r\n"
+ "a=fmtp:%d configuration=%s\r\n",
+ payload_type, c->sample_rate, c->channels,
+ payload_type, config);
+ break;
+ case CODEC_ID_THEORA: {
+ const char *pix_fmt;
+ if (c->extradata_size)
+ config = xiph_extradata2config(c);
+ else
+ av_log(c, AV_LOG_ERROR, "Theora configuation info missing\n");
+ if (!config)
+ return NULL;
+
+ switch (c->pix_fmt) {
+ case PIX_FMT_YUV420P:
+ pix_fmt = "YCbCr-4:2:0";
+ break;
+ case PIX_FMT_YUV422P:
+ pix_fmt = "YCbCr-4:2:2";
+ break;
+ case PIX_FMT_YUV444P:
+ pix_fmt = "YCbCr-4:4:4";
+ break;
+ default:
+ av_log(c, AV_LOG_ERROR, "Unsupported pixel format.\n");
+ return NULL;
+ }
+
+ av_strlcatf(buff, size, "a=rtpmap:%d theora/90000\r\n"
+ "a=fmtp:%d delivery-method=inline; "
+ "width=%d; height=%d; sampling=%s; "
+ "configuration=%s\r\n",
+ payload_type, payload_type,
+ c->width, c->height, pix_fmt, config);
+ break;
+ }
+ case CODEC_ID_VP8:
+ av_strlcatf(buff, size, "a=rtpmap:%d VP8/90000\r\n",
+ payload_type);
+ break;
+ case CODEC_ID_ADPCM_G722:
+ if (payload_type >= RTP_PT_PRIVATE)
+ av_strlcatf(buff, size, "a=rtpmap:%d G722/%d/%d\r\n",
+ payload_type,
+ 8000, c->channels);
+ break;
+ case CODEC_ID_ADPCM_G726: {
+ if (payload_type >= RTP_PT_PRIVATE)
+ av_strlcatf(buff, size, "a=rtpmap:%d G726-%d/%d\r\n",
+ payload_type,
+ c->bits_per_coded_sample*8,
+ c->sample_rate);
+ break;
+ }
+ case CODEC_ID_ILBC:
+ av_strlcatf(buff, size, "a=rtpmap:%d iLBC/%d\r\n"
+ "a=fmtp:%d mode=%d\r\n",
+ payload_type, c->sample_rate,
+ payload_type, c->block_align == 38 ? 20 : 30);
+ break;