Hi,
We are using openRTSP as part of a custom firmware for the a series of CCTV cameras - https://github.com/EliasKotlyar/Xiaomi-Dafang-Hacks
We are using openRTSP to capture an MP4 file that we can then send as a notification via Telegram. The Telegram app will only accept a video in an MP4 container so we are using the -4 flag. We have been having some playback issues in the Telegram app and after some debugging I have found that even though we are using the -4 flag the video is being encoded into a Quicktime container. I have pasted some shell output below to show a file being captured.
Do you have any insights on why this is happening and how we can ensure that openRTSP captures the video and puts into an MP4 container?
[root@KitchenCam:~]# openRTSP -4 -w 1920 -h 1080 -f 10 -d 10 -b 1500000 rtsp://127.0.0.1:8554/unicast> test.mp4 Created new TCP socket 3 for connection Connecting to 127.0.0.1, port 8554 on socket 3... ...remote connection opened Sending request: OPTIONS rtsp://127.0.0.1:8554/unicast RTSP/1.0 CSeq: 2 User-Agent: openRTSP (LIVE555 Streaming Media v2020.05.15)
Received 152 new bytes of response data. Received a complete OPTIONS response: RTSP/1.0 200 OK CSeq: 2 Date: Mon, Mar 15 2021 19:28:09 GMT Public: OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE, GET_PARAMETER, SET_PARAMETER Sending request: DESCRIBE rtsp://127.0.0.1:8554/unicast RTSP/1.0 CSeq: 3 User-Agent: openRTSP (LIVE555 Streaming Media v2020.05.15) Accept: application/sdp Received 709 new bytes of response data. Received a complete DESCRIBE response: RTSP/1.0 200 OK CSeq: 3 Date: Mon, Mar 15 2021 19:28:09 GMT Content-Base: rtsp://127.0.0.1:8554/unicast/ Content-Type: application/sdp Content-Length: 546 v=0 o=- 1615722675176757 1 IN IP4 10.10.10.239 s=LIVE555 Streaming Media v2020.05.15 i=LIVE555 Streaming Media v2020.05.15 t=0 0 a=tool:LIVE555 Streaming Media v2020.05.15 a=type:broadcast a=control:* a=range:npt=0- a=x-qt-text-nam:LIVE555 Streaming Media v2020.05.15 a=x-qt-text-inf:LIVE555 Streaming Media v2020.05.15 m=video 0 RTP/AVP 96 c=IN IP4 0.0.0.0 b=AS:10 a=rtpmap:96 H264/90000 a=fmtp:96 profile-level-id=4d4028;sprop-parameter-sets=Z01AKJ2oHgCJ+WEAAAMAAQAAAwAyhA==,aO48gA== a=x-dimensions:1920,1080 a=control:track1 Opened URL "rtsp://127.0.0.1:8554/unicast", returning a SDP description: v=0 o=- 1615722675176757 1 IN IP4 10.10.10.239 s=LIVE555 Streaming Media v2020.05.15 i=LIVE555 Streaming Media v2020.05.15 t=0 0 a=tool:LIVE555 Streaming Media v2020.05.15 a=type:broadcast a=control:* a=range:npt=0- a=x-qt-text-nam:LIVE555 Streaming Media v2020.05.15 a=x-qt-text-inf:LIVE555 Streaming Media v2020.05.15 m=video 0 RTP/AVP 96 c=IN IP4 0.0.0.0 b=AS:10 a=rtpmap:96 H264/90000 a=fmtp:96 profile-level-id=4d4028;sprop-parameter-sets=Z01AKJ2oHgCJ+WEAAAMAAQAAAwAyhA==,aO48gA== a=x-dimensions:1920,1080 a=control:track1 Created receiver for "video/H264" subsession (client ports 56778-56779) Sending request: SETUP rtsp://127.0.0.1:8554/unicast/track1 RTSP/1.0 CSeq: 4 User-Agent: openRTSP (LIVE555 Streaming Media v2020.05.15) Transport: RTP/AVP;unicast;client_port=56778-56779 Received 208 new bytes of response data. Received a complete SETUP response: RTSP/1.0 200 OK CSeq: 4 Date: Mon, Mar 15 2021 19:28:09 GMT Transport: RTP/AVP;unicast;destination=127.0.0.1;source=127.0.0.1;client_port=56778-56779;server_port=6970-6971 Session: 1F2DC088;timeout=65 Setup "video/H264" subsession (client ports 56778-56779) Outputting to the file: "stdout" Sending request: PLAY rtsp://127.0.0.1:8554/unicast/ RTSP/1.0 CSeq: 5 User-Agent: openRTSP (LIVE555 Streaming Media v2020.05.15) Session: 1F2DC088 Range: npt=0.000-10.000 Received 184 new bytes of response data. Received a complete PLAY response: RTSP/1.0 200 OK CSeq: 5 Date: Mon, Mar 15 2021 19:28:09 GMT Range: npt=0.000- Session: 1F2DC088 RTP-Info: url="" Started playing session Receiving streamed data (for up to 10.000000 seconds)... Sending request: TEARDOWN rtsp://127.0.0.1:8554/unicast/ RTSP/1.0 CSeq: 6 User-Agent: openRTSP (LIVE555 Streaming Media v2020.05.15) Session: 1F2DC088 Received 65 new bytes of response data. Received a complete TEARDOWN response: RTSP/1.0 200 OK CSeq: 6 Date: Mon, Mar 15 2021 19:28:19 GMT [root@KitchenCam:~]# mediainfo test.mp4 General Complete name : test.mp4 Format : QuickTime <<<<<<<< FILE IS IN QUICKTIME FORMAT EVEN THOUGH WE SET -4 FLAG Format/Info : Original Apple specifications File size : 1.18 MiB Duration : 12 s 700 ms Overall bit rate : 778 kb/s Encoded date : UTC 2021-03-15 19:28:09 Tagged date : UTC 2021-03-15 19:28:09 Writing library : Apple QuickTime FileExtension_Invalid : braw mov qt Video ID : 1 Format : AVC Format/Info : Advanced Video Codec Format profile : Main@L4 Format settings : CABAC / 1 Ref Frames Format settings, CABAC : Yes Format settings, Reference frames : 1 frame Codec ID : avc1 Codec ID/Info : Advanced Video Coding Duration : 12 s 700 ms Bit rate : 777 kb/s Width : 1 920 pixels Height : 1 080 pixels Display aspect ratio : 16:9 Frame rate mode : Constant Frame rate : 10.000 FPS Original frame rate : 25.000 FPS Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Scan type : Progressive Bits/(Pixel*Frame) : 0.037 Stream size : 1.18 MiB (100%) Language : English Encoded date : UTC 2021-03-15 19:28:09 Tagged date : UTC 2021-03-15 19:28:09 Codec configuration box : avcC
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