#10913: Generated sdp file missing audio --------------------------------------+---------------------------------- Reporter: gardinal | Type: defect Status: new | Priority: normal Component: undetermined | Version: 6.1 Keywords: sdp_file | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | --------------------------------------+---------------------------------- Summary of the bug: The sdp file generated is different than the console output, and is missing m=audio. How to reproduce: {{{ % ffmpeg -rtsp_transport tcp -i rtsp://user:pass@10.0.0.27 -vcodec copy -an -f rtp rtp://127.0.0.1:11110 -vn -acodec copy -f rtp rtp://127.0.0.1:11112 -sdp_file ./input.sdp ffmpeg version 6.1 }}} Console output: {{{ Input #0, rtsp, from 'rtsp://admin:bsts1111@10.0.0.27': Metadata: title : h264.mp4 Duration: N/A, start: 0.000000, bitrate: N/A Stream #0:0: Video: h264 (High), yuv420p(progressive), 2592x1944, 30 fps, 60 tbr, 90k tbn Stream #0:1: Audio: aac (LC), 48000 Hz, mono, fltp Output #0, rtp, to 'rtp://127.0.0.1:11110': Metadata: title : h264.mp4 encoder : Lavf60.16.100 Stream #0:0: Video: h264 (High), yuv420p(progressive), 2592x1944, q=2-31, 30 fps, 60 tbr, 90k tbn Output #1, rtp, to 'rtp://127.0.0.1:11112': Metadata: title : h264.mp4 encoder : Lavf60.16.100 Stream #1:0: Audio: aac (LC), 48000 Hz, mono, fltp SDP: v=0 o=- 0 0 IN IP4 127.0.0.1 s=h264.mp4 t=0 0 a=tool:libavformat 60.16.100 m=video 11110 RTP/AVP 96 c=IN IP4 127.0.0.1 a=rtpmap:96 H264/90000 a=fmtp:96 packetization-mode=1; sprop-parameter- sets=Z2TAMqwbGqAogPX5YQAAAwABAAADADyPCIRq,aO4xshsA; profile-level- id=64C032 m=audio 11112 RTP/AVP 97 c=IN IP4 127.0.0.1 a=rtpmap:97 MPEG4-GENERIC/48000/1 a=fmtp:97 profile-level-id=1;mode=AAC- hbr;sizelength=13;indexlength=3;indexdeltalength=3; config=1188 Stream mapping: Stream #0:0 -> #0:0 (copy) Stream #0:1 -> #1:0 (copy) }}} SDP file: {{{ v=0 o=- 0 0 IN IP4 127.0.0.1 s=h264.mp4 c=IN IP4 127.0.0.1 t=0 0 a=tool:libavformat 60.16.100 m=video 11110 RTP/AVP 96 a=rtpmap:96 H264/90000 a=fmtp:96 packetization-mode=1; sprop-parameter- sets=Z2TAMqwbGqAogPX5YQAAAwABAAADADyPCIRq,aO4xshsA; profile-level- id=64C032 }}} -- Ticket URL: <https://trac.ffmpeg.org/ticket/10913> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker