[FFmpeg-trac] #7178(avformat:new): RTSP framerate reported by camera is ignored
FFmpeg
trac at avcodec.org
Wed May 2 15:43:05 EEST 2018
#7178: RTSP framerate reported by camera is ignored
------------------------------------+------------------------------------
Reporter: RomanVega | Owner:
Type: defect | Status: new
Priority: normal | Component: avformat
Version: git-master | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by RomanVega):
I still see the same issue.
I added in `-use_wallclock_as_timestamps 1` to eliminate the DTS errors
seen below.
{{{
./ffmpeg -rtsp_transport tcp -i 'rtsp://<user>:<pw>@<ip>/MediaInput/h264'
-c:v copy /tmp/output.ts
ffmpeg version N-90820-gd06b01f Copyright (c) 2000-2018 the FFmpeg
developers
built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.9) 20160609
configuration: --pkg-config-flags=--static --extra-libs='-lpthread -lm'
--enable-nonfree
libavutil 56. 15.100 / 56. 15.100
libavcodec 58. 19.100 / 58. 19.100
libavformat 58. 13.100 / 58. 13.100
libavdevice 58. 4.100 / 58. 4.100
libavfilter 7. 19.100 / 7. 19.100
libswscale 5. 2.100 / 5. 2.100
libswresample 3. 2.100 / 3. 2.100
Input #0, rtsp, from 'rtsp://<user>:<pw>@<ip>/MediaInput/h264':
Metadata:
title : Media Presentation
Duration: N/A, start: 0.633333, bitrate: N/A
Stream #0:0: Video: h264 (High), yuv420p(tv, progressive), 1280x960
[SAR 1:1 DAR 4:3], 15 fps, 10 tbr, 90k tbn, 30 tbc
Output #0, mpegts, to '/tmp/output.ts':
Metadata:
title : Media Presentation
encoder : Lavf58.13.100
Stream #0:0: Video: h264 (High), yuv420p(tv, progressive), 1280x960
[SAR 1:1 DAR 4:3], q=2-31, 15 fps, 10 tbr, 90k tbn, 90k tbc
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Press [q] to stop, [?] for help
[mpegts @ 0x2f595c0] Non-monotonous DTS in output stream 0:0; previous: 0,
current: -48000; changing to 1. This may result in incorrect timestamps in
the output file.
[mpegts @ 0x2f595c0] Non-monotonous DTS in output stream 0:0; previous: 1,
current: -39000; changing to 2. This may result in incorrect timestamps in
the output file.
[mpegts @ 0x2f595c0] Non-monotonous DTS in output stream 0:0; previous: 2,
current: -30000; changing to 3. This may result in incorrect timestamps in
the output file.
[mpegts @ 0x2f595c0] Non-monotonous DTS in output stream 0:0; previous: 3,
current: -21000; changing to 4. This may result in incorrect timestamps in
the output file.
[mpegts @ 0x2f595c0] Non-monotonous DTS in output stream 0:0; previous: 4,
current: -12000; changing to 5. This may result in incorrect timestamps in
the output file.
[mpegts @ 0x2f595c0] Non-monotonous DTS in output stream 0:0; previous: 5,
current: -3000; changing to 6. This may result in incorrect timestamps in
the output file.
frame= 622 fps= 10 q=-1.0 Lsize= 31783kB time=00:01:01.46
bitrate=4235.8kbits/s speed=1.03x
video:29411kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 8.062655%
}}}
{{{
./ffmpeg -i /tmp/output.ts
ffmpeg version N-90820-gd06b01f Copyright (c) 2000-2018 the FFmpeg
developers
built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.9) 20160609
configuration: --pkg-config-flags=--static --extra-libs='-lpthread -lm'
--enable-nonfree
libavutil 56. 15.100 / 56. 15.100
libavcodec 58. 19.100 / 58. 19.100
libavformat 58. 13.100 / 58. 13.100
libavdevice 58. 4.100 / 58. 4.100
libavfilter 7. 19.100 / 7. 19.100
libswscale 5. 2.100 / 5. 2.100
libswresample 3. 2.100 / 3. 2.100
[mpegts @ 0x2a40280] DTS discontinuity in stream 0: packet 6 with DTS
126006, packet 7 with DTS 132000
Input #0, mpegts, from '/tmp/output.ts':
Duration: 00:01:01.50, start: 1.400000, bitrate: 4233 kb/s
Program 1
Metadata:
service_name : Media Presentation
service_provider: FFmpeg
Stream #0:0[0x100]: Video: h264 (High) ([27][0][0][0] / 0x001B),
yuv420p(tv, progressive), 1280x960 [SAR 1:1 DAR 4:3], 15 fps, 30 tbr, 90k
tbn, 30 tbc
At least one output file must be specified
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/7178#comment:8>
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