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Full Discussion: Ffmpeg (avconv) + crtmpserver Linux streaming video, no player to play it
Top Forums UNIX for Advanced & Expert Users Ffmpeg (avconv) + crtmpserver Linux streaming video, no player to play it Post 302843812 by +Yan on Thursday 15th of August 2013 07:56:56 AM
Old 08-15-2013
Ffmpeg (avconv) + crtmpserver Linux streaming video, no player to play it
Hello Linux experts,

I'm working on live video streaming project, and my job is to create video streaming server using
Ubuntu 13.04
Here is what I've done so far:
1. Installed crtmpserver from Ubuntu's repositories.
2. Installed ffmpeg

To test the server i use webcam as source of video, and the following command:
avconv -f video4linux2 -i /dev/video0 -f flv -an -metadata streamName="test" tcp://localhost:6666


The command output is:

Code:
avconv version 0.8.6-6:0.8.6-1ubuntu2, Copyright (c) 2000-2013 the Libav developers
  built on Mar 30 2013 22:20:06 with gcc 4.7.2
[video4linux2 @ 0x25b79e0] Estimating duration from bitrate, this may be inaccurate
Input #0, video4linux2, from '/dev/video0':
  Duration: N/A, start: 14840.930660, bitrate: 147456 kb/s
    Stream #0.0: Video: rawvideo, yuyv422, 640x480, 147456 kb/s, 30 tbr, 1000k tbn, 30 tbc
Incompatible pixel format 'yuyv422' for codec 'flv', auto-selecting format 'yuv420p'
[buffer @ 0x25b92e0] w:640 h:480 pixfmt:yuyv422
[avsink @ 0x25a5160] auto-inserting filter 'auto-inserted scaler 0' between the filter 'src' and the filter 'out'
[scale @ 0x25a5840] w:640 h:480 fmt:yuyv422 -> w:640 h:480 fmt:yuv420p flags:0x4
Output #0, flv, to 'tcp://localhost:6666':
  Metadata:
    streamName      : test
    encoder         : Lavf53.21.1
    Stream #0.0: Video: flv, yuv420p, 640x480, q=2-31, 200 kb/s, 1k tbn, 30 tbc
Stream mapping:
  Stream #0:0 -> #0:0 (rawvideo -> flv)
Press ctrl-c to stop encoding


So far so good, BUT when I try to play the stream with mplayer from another console with the command:
mplayer rtmp://localhost/live/test mplayer is stalled for very long time (10-15 min.) before the video starts.

If in the meantime I terminate the avconv command, the video is being shown immediately by mplayer.
I tryied the following mplayer options without success:
-nosound
-nocache
different combinations of -cachie N

I had success with this flash player: Flash RTMP Player - Live Video Streaming
But there is about 3 sec. delay which is too much for me.


Please advice me how can I make mplayer play the video as soon as possible ?

Here is the mplayer output:
Code:
mplayer rtmp://localhost/live/test

MPlayer2 UNKNOWN (C) 2000-2012 MPlayer Team
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.

Playing rtmp://localhost/live/test.
Forced lavf FLV format demuxer
Detected file format: libavformat

Thank you in advance.
 

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LEARN ABOUT DEBIAN

qvideoob

QVIDEOOB(1)						      General Commands Manual						       QVIDEOOB(1)

NAME

       qvideoob - Qt application to search and play videos on various websites

SYNOPSIS

       qvideoob [-h] [-dqv] [-b backends] ...
       qvideoob [--help] [--version]

DESCRIPTION

       Qt application allowing to search videos on various websites and play them.

   Supported websites:
       * arte (Arte French and German TV)
       * canalplus (Canal Plus French TV)
       * cappedtv (Capped.tv demoscene website)
       * dailymotion (Dailymotion video streaming website)
       * francetelevisions (France Televisions video website)
       * ina (INA French TV video archives)
       * nolifetv (NolifeTV French video streaming website)
       * radiofrance (Radios of Radio France: Inter, Info, Bleu, Culture, Musique, FIP, Le Mouv')
       * youjizz (YouJizz pornographic video streaming website)
       * youporn (YouPorn pornographic video streaming website)
       * youtube (YouTube video streaming website)

OPTIONS

       --version
	      show program's version number and exit

       -h, --help
	      show this help message and exit

       -b BACKENDS, --backends=BACKENDS
	      what backend(s) to enable (comma separated)

LOGGING OPTIONS

       -d, --debug
	      display debug messages

       -q, --quiet
	      display only error messages

       -v, --verbose
	      display info messages

       --logging-file=LOGGING_FILE
	      file to save logs

       -a, --save-responses
	      save every response

COPYRIGHT

       Copyright(C) 2010-2011 Romain Bignon

       For full COPYRIGHT see COPYING file with weboob package.

FILES

       "~/.config/weboob/backends"

       "~/.config/weboob/qvideoob"

SEE ALSO

       Home page: http://weboob.org/applications/qvideoob

qvideoob 0.c							    04 May 2012 						       QVIDEOOB(1)
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