/* v=0 o=mhandley 2890844526 2890842807 IN IP4 126.16.64.4 s=SDP Seminar i=A Seminar on the session description protocol u=http://www.cs.ucl.ac.uk/staff/M.Handley/sdp.03.ps [email protected] (Mark Handley) c=IN IP4 224.2.17.12/127 t=2873397496 2873404696 a=recvonly m=audio 3456 RTP/AVP 0 m=video 2232 RTP/AVP 31 m=whiteboard 32416 UDP WB a=orient:portrait */ int rtsp_client_sdp(struct rtsp_client_t* rtsp, const char* content) { int i, j, n, count; int formats[N_MEDIA_FORMAT]; struct rtsp_media_t* media; void* sdp; sdp = sdp_parse(content); if (!sdp) return -1; count = sdp_media_count(sdp); if(count > N_MEDIA) { rtsp->media_ptr = (struct rtsp_media_t*)malloc(sizeof(struct rtsp_media_t)*(count-N_MEDIA)); if(!rtsp->media_ptr) { sdp_destroy(sdp); return ENOMEM; } memset(rtsp->media_ptr, 0, sizeof(struct rtsp_media_t)*(count-N_MEDIA)); } rtsp->media_count = count; // rfc 2326 C.1.1 Control URL (p80) // If found at the session level, the attribute indicates the URL for aggregate control rtsp->aggregate = rtsp_media_aggregate_control_enable(sdp); rtsp_get_session_uri(sdp, rtsp->aggregate_uri, sizeof(rtsp->aggregate_uri), rtsp->uri, rtsp->baseuri, rtsp->location); for(i = 0; i < count; i++) { media = rtsp_get_media(rtsp, i); //media->cseq = rand(); // RTSP2326 C.1.1 Control URL rtsp_get_media_uri(sdp, i, media->uri, sizeof(media->uri), rtsp->aggregate_uri); n = sdp_media_formats(sdp, i, formats, N_MEDIA_FORMAT); media->avformat_count = n > N_MEDIA_FORMAT ? N_MEDIA_FORMAT : n; for(j = 0; j < media->avformat_count; j++) { media->avformats[j].fmt = formats[j]; } // update media encoding sdp_media_attribute_list(sdp, i, NULL, rtsp_media_onattr, media); } sdp_destroy(sdp); return 0; }
/* v=0 o=mhandley 2890844526 2890842807 IN IP4 126.16.64.4 s=SDP Seminar i=A Seminar on the session description protocol u=http://www.cs.ucl.ac.uk/staff/M.Handley/sdp.03.ps [email protected] (Mark Handley) c=IN IP4 224.2.17.12/127 t=2873397496 2873404696 a=recvonly m=audio 3456 RTP/AVP 0 m=video 2232 RTP/AVP 31 m=whiteboard 32416 UDP WB a=orient:portrait */ int rtsp_client_sdp(struct rtsp_client_context_t* ctx, void* sdp) { int i, count; int formats[N_MEDIA_FORMAT]; struct rtsp_media_t* media; assert(sdp); count = sdp_media_count(sdp); if(count > N_MEDIA) { ctx->media_ptr = (struct rtsp_media_t*)malloc(sizeof(struct rtsp_media_t)*(count-N_MEDIA)); if(!ctx->media_ptr) return -1; memset(ctx->media_ptr, 0, sizeof(struct rtsp_media_t)*(count-N_MEDIA)); } ctx->media_count = count; // rfc 2326 C.1.1 Control URL (p80) // If found at the session level, the attribute indicates the URL for aggregate control ctx->aggregate = rtsp_media_aggregate_control_enable(sdp); rtsp_get_session_uri(sdp, ctx->aggregate_uri, sizeof(ctx->aggregate_uri), ctx->uri, ctx->baseuri, ctx->location); for(i = 0; i < count; i++) { int j, n; media = rtsp_get_media(ctx, i); media->cseq = rand(); // RTSP2326 C.1.1 Control URL rtsp_get_media_uri(sdp, i, media->uri, sizeof(media->uri), ctx->aggregate_uri); n = sdp_media_formats(sdp, i, formats, N_MEDIA_FORMAT); media->avformat_count = n > N_MEDIA_FORMAT ? N_MEDIA_FORMAT : n; for(j = 0; j < media->avformat_count; j++) { media->avformats[j].pt = formats[j]; } // update media encoding sdp_media_attribute_list(sdp, i, NULL, rtsp_media_onattr, media); } return 0; }
