[FFmpeg-user] Using tee with segmenter

[Lev Zelensky]

Hello fellow ffmpeg users,

I'm trying to use a tee to output my stream into 1min segments and into a
file at the same time. Here's my command:

ffmpeg -i 
"rtsp://${cameraIp}:554/axis-media/media.amp?videocodec=h264=1280x720=15"
-c copy -map 0 \
-f tee "[f=ssegment:segment_time=60:segment_format=mp4:reset_timestamps=1:r=15]
${rootPath}/${storeId}-${location}-%03d.mp4 \
| /tmp/${cameraIp}.mkv"

Individually (without tee) both outputs work fine. So I can either
output into segmented files or into a non-segmented file. But with the
tee I get this error:

[stream_segment,ssegment @ 0x217ece0] Failed to open segment '
/etc/cida/diagnostics/vid/780801-99-000.mp4'
[tee @ 0x217d820] Slave
'[f=ssegment:segment_time=60:segment_format=mp4:reset_timestamps=1:r=15]
/etc/cida/diagnostics/vid/780801-99-%03d.mp4': error writing header:
No such file or directory

See full command output below. Any suggestions?

ffmpeg version 3.3 Copyright (c) 2000-2017 the FFmpeg developers
  built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.3)
  configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg
--mandir=/usr/share/man --enable-avresample --disable-debug
--enable-nonfree --enable-gpl --enable-version3
--enable-libopencore-amrnb --enable-libopencore-amrwb
--disable-decoder=amrnb --disable-decoder=amrwb --enable-libpulse
--enable-libfreetype --enable-gnutls --enable-libx264 --enable-libx265
--enable-libfdk-aac --enable-libvorbis --enable-libmp3lame
--enable-libopus --enable-libvpx --enable-libspeex --enable-libass
--enable-avisynth --enable-libsoxr --enable-libxvid
--enable-libvidstab --enable-libwavpack --enable-nvenc
  libavutil  55. 58.100 / 55. 58.100
  libavcodec 57. 89.100 / 57. 89.100
  libavformat57. 71.100 / 57. 71.100
  libavdevice57.  6.100 / 57.  6.100
  libavfilter 6. 82.100 /  6. 82.100
  libavresample   3.  5.  0 /  3.  5.  0
  libswscale  4.  6.100 /  4.  6.100
  libswresample   2.  7.100 /  2.  7.100
  libpostproc54.  5.100 / 54.  5.100
Input #0, rtsp, from
'rtsp://10.83.245.7:554/axis-media/media.amp?videocodec=h264=1280x720=15':
  Metadata:
title   : Session streamed with GStreamer
comment : rtsp-server
  Duration: N/A, start: 0.080011, bitrate: N/A
Stream #0:0: Video: h264 (Main), yuvj420p(pc, bt709, progressive),
1280x720 [SAR 1:1 DAR 16:9], 25 tbr, 90k tbn, 180k tbc
[stream_segment,ssegment @ 0x217ece0] Failed to open segment '
/etc/cida/diagnostics/vid/780801-99-000.mp4'
[tee @ 0x217d820] Slave
'[f=ssegment:segment_time=60:segment_format=mp4:reset_timestamps=1:r=15]
/etc/cida/diagnostics/vid/780801-99-%03d.mp4': error writing header:
No such file or directory
[tee @ 0x217d820] Slave muxer #0 failed, aborting.
Could not write header for output file #0 (incorrect codec parameters
?): No such file or directory
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
Last message repeated 1 times


Regards,

Lev
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[FFmpeg-user] An error in decoding RTMP (h264) live streaming

[xyzero]

Dear Sir / Madam:
I use ffplay to play a RTMP live streaming (url is 
"rtmp://live.hkstv.hk.lxdns.com/live/hks").
After 16819 seconds of receiving, the decoding function returns error, and 
the error info is as follows.
Or it can be easily happened when use "$ ffmpeg -ss 16750 -i 
rtmp://live.hkstv.hk.lxdns.com/live/hks -f null - "command.
I tried ffmpeg version 3.0, 3.1, 3.3, and it has the same problem. I hope 
you can tell me where is wrong or how to slove this problem.
Best wishes,
xyzero

[h264 @ 094e5180] P sub_mb_type 13 out of range at 23 25  0B f=15/15
[h264 @ 094e5180] error while decoding MB 23 25
[h264 @ 094e5180] concealing 226 DC, 226 AC, 226 MV errors in P frame
HandleInvoke, Sanity failed. no string method in invoke packet=15/15
[flv @ 08772fe0] DTS 16808050 < 2353520185 out of order   0B f=15/15
[aac @ 09527a60] This decoder does not support parameter changes, but PARAM_CHAN
GE side data was sent to it.
[h264 @ 087c9880] [aac @ 09527a60] mb_type 34 in P slice too large at 33 24
Error applying parameter changes.
[h264 @ 087c9880] error while decoding MB 33 24
[h264 @ 087c9880] concealing 256 DC, 256 AC, 256 MV errors in P frame
[flv @ 08772fe0] Audio codec (e) is not implemented. Update your FFmpeg version
to the newest one from Git. If the problem still occurs, it means that your file
 has a feature which has not been implemented.
[flv @ 08772fe0] If you want to help, upload a sample of this file to ftp://uplo
ad.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel
@ffmpeg.org)
[aac @ 09527a60] This decoder does not support parameter changes, but PARAM_CHAN
GE side data was sent to it.
[aac @ 09527a60] Error applying parameter changes.
[aac @ 09527a60] This decoder does not support parameter changes, but PARAM_CHAN
GE side data was sent to it.
[aac @ 09527a60] 16819.03 A-V:-2336735.363 fd= 259 aq=1KB vq=0KB sq=
Error applying parameter changes.





 
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[FFmpeg-user] Convert a Camera source to an IP Camera signal

[aws backup]

Hi,

I am using Wirecast Pro as a switcher for live streams. I have two cameras one 
is connected through a thunderbolt cable to the Wirecast machine but the second 
one I want to connect via WiFi. Therefore I try to stream it over IP to 
Wirecast. The second camera is connected to the second computer through a 
firewire cable and provides a HDV Mpeg2 stream. 
I tried sending the stream with rtmp but that means I have to transcode it 2 
times and I am loosing to much quality.

Therefore I am looking for a way to stream it with RTSP or HTTP in Mpeg2 or 
Motion JPEG. The Wirecast Web Stream plugin accepts IP Cameras delivering in 
these format. 

But I can't figure out how to send the stream with ffmpeg that it will be 
recognised like an IP Camera from Wirecast.

Thank you for your help.

Best Regards,
Robert


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Re: [FFmpeg-user] Extract xvid stream in mov container

[Carl Eugen Hoyos]

2017-04-30 16:04 GMT+02:00 jacques perconte :
> Dear all, i have to find another file, this one is 40Go :)

Is the issue still reproducible if you cut the first 100MB?
If the first 100MB are unreadable, process the file with
tools/qt-faststart first (or provide the first 100MB, the last
100MB and the exact file size).

Stop top-posting, Carl Eugen
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Re: [FFmpeg-user] Extract xvid stream in mov container

[jacques perconte]

Dear all, i have to find another file, this one is 40Go :)
So thank you. i let you know.

Jacques

☀︎
Jacques Perconte
+33 660 615 408

http://www.jacquesperconte.com

→ http://timeline.technart.fr / news
→ https://twitter.com/jacquesperconte / voix


On Sun, Apr 30, 2017 at 1:22 PM, Carl Eugen Hoyos  wrote:
> 2017-04-28 17:36 GMT+02:00 jacques perconte :
>> Yes, the video file is damaged, this is my weird way of working video.
>>
>> The file does play on mac with quicktime and perian installed
>
> Please provide the input sample.
>
> Please do not top-post here, Carl Eugen
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Re: [FFmpeg-user] Memory usage growing when using ffmpeg. Is this expected?

[Carl Eugen Hoyos]

2017-04-29 11:25 GMT+02:00 Cley Faye :
> 2017-04-28 16:52 GMT+02:00 Guilherme de Oliveira Costa
> :
>
>> I am using ffmpeg record a video from a webcam, but the memory
>> usage is very high, and keeps increasing with video length.

You can use massif to check where memory is allocated, and
complete, uncut console output missing.

>> For example, I use an embedded device with 64 MB of RAM, and
>> when I recorded a 30 minute video, I was left with 2MB of RAM in
>> the last minutes of the recording.
>
> I'm wondering, how do you check how much "free" memory you
> have while ffmpeg is running? Since it didn't OOM or die, it might
> just have been cache from the OS, which will gracefully yield if
> another program request it.

Sounds likely.

Carl Eugen
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Re: [FFmpeg-user] Extract xvid stream in mov container

[Carl Eugen Hoyos]

2017-04-28 17:36 GMT+02:00 jacques perconte :
> Yes, the video file is damaged, this is my weird way of working video.
>
> The file does play on mac with quicktime and perian installed

Please provide the input sample.

Please do not top-post here, Carl Eugen
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