what the dev

About encoding, codec settings, muxers and filter usage
zimbot
Blank Cone
Blank Cone
Posts: 22
Joined: 14 Apr 2006 21:17

what the dev

Postby zimbot » 12 May 2009 21:18

friends,

I am attempting to encode via VLC and reflect it to a dss server.

I think i grasp the basics

command line makes file.spd and I move that to my dss movies dir

but WHAT is my input on the linux machine .

that is I have firewire -- and i am sure i do not have a ///dev/video0:1

what would be my //dev

how can i 'see' what my //dev could be?

when i do the below it fails : [00000292] main input error: no suitable access module for `v4l2:///dev

here is my fail attempt

~$ vlc -vvv v4l2:///dev/video0:input=1:width=320:height=240:adev=hw.1,0:samplerate=32000 --sout '#transcode{venc=ffmpeg{keyint=1},vcodec=mp4v,vb=100k,acodec=mp4a,fps=10,ab=8k,channels=1,samplerate=16000}:rtp{mp4a-latm,dst=192.168.200.204,port-audio=20000,port-video=20002,ttl=127,name=CHANNEL,sdp=file:///mePerson/movies/channel.sdp}'
VLC media player 0.8.6e Janus
[00000001] main private debug: checking builtin modules
[00000001] main private debug: checking plugin modules
[00000001] main private debug: loading plugins cache file /home/mePerson/.vlc/cache/plugins-04041e.dat
[00000001] main private debug: recursively browsing `/usr/lib/vlc'
[00000001] main private debug: module bank initialized, found 218 modules
[00000001] main private debug: opening config file /home/jshupert/.vlc/vlcrc
[00000001] main private debug: CPU has capabilities 486 586 MMX MMXEXT SSE SSE2 FPU
[00000001] main private debug: looking for memcpy module: 1 candidate
[00000001] main private debug: using memcpy module "memcpy"
[00000283] main playlist debug: waiting for thread completion
[00000283] main playlist debug: thread 3079625616 (playlist) created at priority 0 (playlist/playlist.c:184)
[00000284] main private debug: waiting for thread completion
[00000284] main private debug: thread 3071232912 (preparser) created at priority 0 (playlist/playlist.c:210)
[00000285] main interface debug: looking for interface module: 1 candidate
[00000285] main interface debug: using interface module "hotkeys"
[00000285] main interface debug: thread 3062840208 (interface) created at priority 0 (interface/interface.c:231)
[00000287] main interface debug: looking for interface module: 1 candidate
[00000287] main interface debug: using interface module "screensaver"
[00000287] main interface debug: thread 3054447504 (interface) created at priority 0 (interface/interface.c:231)
[00000283] main playlist debug: adding playlist item `v4l2:///dev/video0:input=1:width=320:height=240:adev=hw.1,0:samplerate=32000' ( v4l2:///dev/video0:input=1:width=320:height=240:adev=hw.1,0:samplerate=32000 )
[00000289] main interface debug: looking for interface module: 5 candidates
[00000289] main interface debug: using interface module "wxwidgets"
[00000289] main interface debug: thread 3028175760 (manager) created at priority 0 (interface/interface.c:216)
[00000289] wxwidgets interface debug: Using last windows config '(-1,0,0,1024,768)(0,54,61,418,84)(6,0,0,-1,150)'
[00000289] wxwidgets interface debug: id=0 p=(54,61) s=(418,84)
[00000289] wxwidgets interface debug: id=6 p=(0,0) s=(-1,150)
[00000283] main playlist debug: nothing requested, starting
[00000283] main playlist debug: creating new input thread
[00000292] main input debug: waiting for thread completion
[00000292] main input debug: creating statistics handler
[00000292] main input debug: thread 3013880720 (input) created at priority 0 (input/input.c:265)
[00000294] main stream output debug: stream=`transcode'
[00000295] main private debug: looking for sout stream module: 1 candidate
[00000294] main stream output debug: stream=`rtp'
[00000298] main private debug: looking for sout stream module: 1 candidate
[00000298] main private debug: set sout option: sout-rtp-mp4a-latm to (null)
[00000298] main private debug: set sout option: sout-rtp-dst to 192.168.200.204
[00000298] main private debug: set sout option: sout-rtp-port-audio to 20000
[00000298] main private debug: set sout option: sout-rtp-port-video to 20002
[00000298] main private debug: set sout option: sout-rtp-ttl to 127
[00000298] main private debug: set sout option: sout-rtp-name to CHANNEL
[00000298] main private debug: set sout option: sout-rtp-sdp to file:///jshupert/movies/channel.sdp
[00000298] main private debug: using sout stream module "stream_out_rtp"
[00000295] main private debug: set sout option: sout-transcode-venc to ffmpeg{keyint=1}
[00000295] main private debug: set sout option: sout-transcode-vcodec to mp4v
[00000295] main private debug: set sout option: sout-transcode-vb to 100k
[00000295] main private debug: set sout option: sout-transcode-acodec to mp4a
[00000295] main private debug: set sout option: sout-transcode-fps to 10
[00000295] main private debug: set sout option: sout-transcode-ab to 8k
[00000295] main private debug: set sout option: sout-transcode-channels to 1
[00000295] main private debug: set sout option: sout-transcode-samplerate to 16000
[00000295] stream_out_transcode private debug: codec audio=mp4a 16000Hz 1 channels 8Kb/s
[00000295] stream_out_transcode private debug: codec video=mp4v 0x0 scaling: 1.000000 100kb/s
[00000295] main private debug: using sout stream module "stream_out_transcode"
[00000292] main input debug: `v4l2:///dev/video0:input=1:width=320:height=240:adev=hw.1,0:samplerate=32000' gives access `v4l2' demux `' path `/dev/video0:input=1:width=320:height=240:adev=hw.1,0:samplerate=32000'
[00000292] main input debug: creating demux: access='v4l2' demux='' path='/dev/video0:input=1:width=320:height=240:adev=hw.1,0:samplerate=32000'
[00000300] main demuxer debug: looking for access_demux module: 0 candidates
[00000300] main demuxer warning: no access_demux module matched "v4l2"
[00000292] main input debug: creating access 'v4l2' path='/dev/video0:input=1:width=320:height=240:adev=hw.1,0:samplerate=32000'
[00000301] main access debug: looking for access2 module: 5 candidates
[00000301] vcdx access warning: Can't get file status for /dev/video0:input=1:width=320:height=240:adev=hw.1,0:samplerate=32000:
No such file or directory
[00000301] vcdx access warning: could not retrieve file info for `/dev/video0:input=1:width=320:height=240:adev=hw.1,0:samplerate=32000': No such file or directory
[00000301] vcdx access warning: can't open nrg image file /dev/video0:input=1:width=320:height=240:adev=hw.1,0:samplerate=32000 for reading
[00000301] access_file access warning: /dev/video0:input=1:width=320:height=240:adev=hw.1,0:samplerate=32000: No such file or directory
[00000301] cdda access warning: could not open /dev/video0:input=1:width=320:height=240:adev=hw.1,0:samplerate=32000
[00000301] main access warning: no access2 module matching "v4l2" could be loaded
[00000292] main input error: no suitable access module for `v4l2:///dev/video0:input=1:width=320:height=240:adev=hw.1,0:samplerate=32000'
[00000295] main private debug: destroying chain... (name=transcode)
[00000298] main private debug: destroying chain... (name=rtp)
[00000298] main private debug: removing module "stream_out_rtp"
[00000298] main private debug: destroying chain done
[00000295] main private debug: removing module "stream_out_transcode"
[00000295] main private debug: destroying chain done
[00000292] main input debug: thread 3013880720 joined (input/input.c:412)
[00000283] main playlist: nothing to play

---------------

i have streamed via a mac & qtbroadcaster -- but now wish to use linux

Thanks!

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