vlc v4l streaming and 2.6.0 kernels

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toxique
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Joined: 24 Nov 2003 17:20

vlc v4l streaming and 2.6.0 kernels

Postby toxique » 16 Jan 2004 02:07

well i have a problem with streaming from v4l devices
when i start'em i've got a black screen at the client side

althoung when i have 2.4.x kernels - all is perfect

that is my command and vlc log

Code: Select all

/usr/local/bin/vlc -vvv -I dummy v4l:/dev/video0:norm=secam:frequency=215250:size=cif:channel=0:adev=/dev/dsp:samplerate=44100:audio=2 --sout '#transcode{vcodec=mp4v,acodec=mpga,vb=1250,ab=128,vt=800000,keyint=80,deinterlace}:std{access=udp,mux=ts,url=239.255.3.5,sap=Umedia-5}' --ttl 12 VideoLAN Client 0.7.0 Bond [00000000] main root debug: VLC media player - version 0.7.0 Bond - (c) 1996-2003 VideoLAN [00000000] main root debug: libvlc was configured with ./configure --enable-v4l --enable-ffmpeg --enable-faad --with-v4l=/usr/src/linux/include/linux/ --with-ffmpeg-faac --with-ffmpeg-tree=../ffmpeg-20040103/ --with-faad-tree=../faad2-20030811 --with-ffmpeg-mp3lame [00000001] main vlc debug: translation test: code is "C" [00000001] main vlc debug: opening config file /root/.vlc/vlcrc [00000001] main vlc warning: config file /root/.vlc/vlcrc does not exist yet [00000001] main vlc debug: checking builtin modules [00000001] main vlc debug: checking plugin modules [00000001] main vlc debug: recursively browsing `modules' [00000001] main vlc debug: recursively browsing `/usr/local/lib/vlc' [00000245] main module warning: cannot find symbol "vlc_entry__0_7_0" in file `/usr/local/lib/vlc/demux/libes_plugin.so' (/usr/local/bin/vlc: undefined symbol: _vlc_entry__0_7_0) [00000291] main module warning: cannot find symbol "vlc_entry__0_7_0" in file `/usr/local/lib/vlc/packetizer/libpacketizer_mpegaudio_plugin.so' (/usr/local/bin/vlc: undefined symbol: _vlc_entry__0_7_0) [00000293] main module warning: cannot find symbol "vlc_entry__0_7_0" in file `/usr/local/lib/vlc/packetizer/libpacketizer_a52_plugin.so' (/usr/local/bin/vlc: undefined symbol: _vlc_entry__0_7_0) [00000001] main vlc debug: recursively browsing `plugins' [00000001] main vlc debug: module bank initialized, found 272 modules [00000001] main vlc debug: opening config file /root/.vlc/vlcrc [00000001] main vlc warning: config file /root/.vlc/vlcrc does not exist yet [00000001] main vlc debug: CPU has capabilities 486 586 MMX 3DNow! FPU [00000001] main vlc debug: looking for memcpy module [00000001] main vlc debug: probing 4 candidates [00000005] main module debug: using memcpy module "memcpymmx" [00000323] main playlist debug: Creating group Normal with id 1 at position 0 [00000323] main playlist debug: waiting for thread completion [00000323] main playlist debug: thread 1026 (playlist) created at priority 0 (src/playlist/playlist.c:98) [00000324] main interface debug: looking for interface module [00000324] main interface debug: probing 2 candidates [00000092] main module debug: using interface module "hotkeys" [00000324] main interface debug: interface initialized [00000324] main interface debug: thread 2051 (interface) created at priority 0 (src/interface/interface.c:161) [00000323] main playlist debug: adding playlist item ╚ v4l:/dev/video0:norm=secam:frequency=215250:size=cif:channel=0:adev=/dev/dsp:samplerate=44100:audio=2 ╩ ( v4l:/dev/video0:norm=secam:frequency=215250:size=cif:channel=0:adev=/dev/dsp:samplerate=44100:audio=2 ) [00000323] main playlist debug: creating new input thread [00000325] main input: playlist item `v4l:/dev/video0:norm=secam:frequency=215250:size=cif:channel=0:adev=/dev/dsp:samplerate=44100:audio=2' [00000325] main input debug: waiting for thread completion [00000325] main input debug: thread 3076 (input) created at priority 0 (src/input/input.c:257) [00000325] main input debug: cmd=state old=10 new=1 [00000325] main input debug: playing at normal rate [00000326] main interface debug: looking for interface module [00000326] main interface debug: probing 6 candidates [00000326] dummy interface: Using the dummy interface plugin... [00000115] main module debug: using interface module "dummy" [00000326] main interface debug: interface initialized [00000326] main interface debug: thread 4101 (manager) created at priority 0 (src/interface/interface.c:145) [00000325] main input debug: access `v4l', demux `', name `/dev/video0:norm=secam:frequency=215250:size=cif:channel=0:adev=/dev/dsp:samplerate=44100:audio=2' [00000327] main stream output debug: stream=`transcode' [00000328] main private debug: looking for sout stream module [00000328] main private debug: probing 1 candidate [00000327] main stream output debug: stream=`std' [00000329] main private debug: looking for sout stream module [00000329] main private debug: probing 2 candidates [00000329] stream_out_standard private debug: creating `udp/ts://239.255.3.5' [00000329] stream_out_standard private debug: extention is 5 [00000329] stream_out_standard private debug: extention -> mux=(null) [00000329] stream_out_standard private debug: using `udp/ts://239.255.3.5' [00000330] main private debug: looking for sout access module [00000330] main private debug: probing 2 candidates [00000331] main private debug: looking for network module [00000331] main private debug: probing 4 candidates [00000331] ipv4 private debug: socket buffer size is 0x1fffe instead of 0x80000 [00000125] main module debug: using network module "ipv4" [00000125] main module debug: unlocking module "ipv4" [00000331] main private debug: thread 5126 (sout write thread) created at priority 0 (udp.c:224) [00000330] access_output_udp private: Open: addr:`239.255.3.5' port:`1234' [00000040] main module debug: using sout access module "access_output_udp" [00000329] stream_out_standard private debug: access opened [00000332] main private debug: looking for sout mux module [00000332] main private debug: probing 4 candidates [00000332] mux_ts_dvbpsi private debug: Open [00000332] mux_ts_dvbpsi private debug: caching=200000 pcr=30000 [00000133] main module debug: using sout mux module "mux_ts_dvbpsi" [00000327] main stream output debug: muxer support adding stream at any time [00000329] stream_out_standard private debug: mux opened [00000329] stream_out_standard private: SAP Enabled [00000327] stream_out_standard stream output debug: Creating SAP with IPv4 [00000327] stream_out_standard stream output debug: creating IPv4 SAP socket [00000327] main stream output debug: looking for network module [00000327] main stream output debug: probing 4 candidates [00000327] ipv4 stream output debug: socket buffer size is 0x1fffe instead of 0x80000 [00000125] main module debug: using network module "ipv4" [00000125] main module debug: unlocking module "ipv4" [00000327] stream_out_standard stream output debug: SAP initialization complete [00000143] main module debug: using sout stream module "stream_out_standard" [00000328] stream_out_transcode private debug: codec audio=mpga 0Hz 0 channels 125Kb/s [00000328] stream_out_transcode private debug: codec video=mp4v 0x0 scaling: 1.000000 1220kb/s [00000015] main module debug: using sout stream module "stream_out_transcode" [00000325] main input debug: looking for access module [00000325] main input debug: probing 16 candidates [00000325] v4l input debug: main device=`/dev/video0' [00000325] v4l input debug: V4L device BT878 video (AVerMedia TVPhone 3 channels 4 audios 48 < w < 924 32 < h < 576 [00000325] v4l input debug: setting channel Television(0) 1 tuners flags=0x3 type=0x1 norm=0x2 [00000325] v4l input debug: frequency 215250 (3444) [00000325] v4l input debug: v4l device uses frame size: 405504 [00000325] v4l input debug: v4l device uses chroma: RV24 [00000325] v4l input debug: openened adev=`/dev/dsp' stereo 44100Hz [00000325] v4l input: v4l grabbing started [00000026] main module debug: using access module "v4l" [00000325] main input debug: looking for demux module [00000325] main input debug: probing 34 candidates [00000325] mp4 input warning: MP4 plugin discarded (not a valid file) [00000325] mp4 input warning: MP4 plugin discarded (not a valid file) [00000325] avi input warning: avi module discarded (invalid header) [00000325] avi input warning: avi module discarded (invalid header) [00000325] v4l input debug: added new video es RV24 352x288 [00000325] v4l input debug: new audio es 2 channels 44100Hz [00000027] main module debug: using demux module "v4l" [00000325] main input debug: selecting ES 0x1 [00000334] main packetizer debug: looking for packetizer module [00000334] main packetizer debug: probing 32 candidates [00000086] main module debug: using packetizer module "rawvideo" [00000334] main packetizer debug: thread 6151 (decoder) created at priority 0 (src/input/input_dec.c:166) [00000325] main input debug: selecting ES 0x2 [00000335] main packetizer debug: looking for packetizer module [00000335] main packetizer debug: probing 32 candidates [00000138] main module debug: using packetizer module "packetizer_copy" [00000335] main packetizer debug: thread 7176 (decoder) created at priority 0 (src/input/input_dec.c:166) [00000327] main stream output debug: adding a new input [00000328] stream_out_transcode private debug: creating video transcoding from fcc=`RV24' to fcc=`mp4v' [00000336] main encoder debug: looking for encoder module [00000336] main encoder debug: probing 6 candidates [00000336] ffmpeg encoder debug: libavcodec initialized (interface 4698 ) [00000336] ffmpeg encoder debug: found encoder MPEG-4 [00000014] main module debug: using encoder module "ffmpeg" [00000014] main module debug: unlocking module "ffmpeg" [00000336] main encoder debug: looking for encoder module [00000336] main encoder debug: probing 6 candidates [00000336] ffmpeg encoder debug: libavcodec already initialized [00000336] ffmpeg encoder debug: found encoder MPEG-4 [00000014] main module debug: using encoder module "ffmpeg" [00000332] main private debug: adding a new input [00000332] mux_ts_dvbpsi private debug: adding input codec=mp4v pid=68 [00000332] mux_ts_dvbpsi private debug: new PCR PID is 68 [00000327] main stream output debug: adding a new input [00000328] stream_out_transcode private debug: creating audio transcoding from fcc=`s16l' to fcc=`mpga' [00000337] main encoder debug: looking for encoder module [00000337] main encoder debug: probing 6 candidates [00000337] ffmpeg encoder debug: libavcodec already initialized [00000337] ffmpeg encoder debug: found encoder MPEG Audio layer 1/2 [00000014] main module debug: using encoder module "ffmpeg" [00000332] main private debug: adding a new input [00000332] mux_ts_dvbpsi private debug: adding input codec=mpga pid=69 [00000331] access_output_udp private debug: packet has been sent too late (49529) [00000331] access_output_udp private debug: packet has been sent too late (24906)
xawtv works perfect!

macleajb
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Joined: 06 Jan 2004 19:24

Dido here on 2.6.0 and 2.6.1

Postby macleajb » 16 Jan 2004 03:18

I can sometimes get a transcode at 320x240, but anything bigger, it appears as the black screen or maybe one stuck frame so it appears nothing is getting through transcode. I posted :

VLC Streaming at 640x480 from V4L at viewtopic.php?t=761

Which may connect with this. If I don't transcode, I can display 640x480 fine.

Unfortunately I have no answers :).

Jim


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