Hi Mauro,
with the help of Bernd Spaeth, I finally managed to get the Terratec
Grabby
working by using
mplayer -v -tv
driver=v4l2:input=0:device=/dev/video1:alsa:adevice=hw.2,0:audiorate=48000:forceaudio:immediatemode=0
tv://
and your patch
diff --git a/drivers/media/video/em28xx/em28xx-cards.c
b/drivers/media/video/em28xx/em28xx-cards.c
index e7efb4b..6e80376 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -1621,11 +1621,11 @@ struct em28xx_board em28xx_boards[] = {
.input = { {
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = SAA7115_COMPOSITE0,
- .amux = EM28XX_AMUX_VIDEO2,
+ .amux = EM28XX_AMUX_LINE_IN,
}, {
.type = EM28XX_VMUX_SVIDEO,
.vmux = SAA7115_SVIDEO3,
- .amux = EM28XX_AMUX_VIDEO2,
+ .amux = EM28XX_AMUX_LINE_IN,
} },
},
[EM2860_BOARD_TERRATEC_AV350] = {
Working video and audio!
I wasn't able to test it with s-video, only composite.
But I think it's still safe to commit the patch, because s-video is
only
another video input, the audio output stays the same.
Florian
On Tue, 09 Nov 2010 08:56:32 -0200, Mauro Carvalho Chehab wrote:
Em 26-10-2010 10:58, Florian Klink escreveu:
Hi,
The sound comes from alsa device. Several em28xx types provide
standard USB audio. So, snd-usb-audio handles it. That's why you
need
alsa:adevice=hw.2,0:forceaudio at mplayer.
... but thats my problem. sound doesn't appear inside mplayer, even
with the command line options set to use the "external" alsa device.
However, "arecord -D hw:2,0 -r 32000 -c 2 -f S16_LE | aplay -" plays
the sound, but only before mplayer tried to access the sound card
Have you tried my patch? If you're using
alsa:adevice=hw.2,0:forceaudio
at mplayer, you should not be running arecord/aplay. You need to use
one
solution or the other.
When trying to play sound with arecord again after mplayer tried to
access it, I have to re-plug the card to get it playing sound over
arecord again, video only seems to not break it. There is no error
message or something in arecord when it's not playing anything, just
silence and the same command line output. Is there maybe anything
with
the sample format S16_LE or something that confuses mplayer/the
driver/whatever? Strange problem... mplayer output (mplayer -v -tv
driver=v4l2:input=0:device=/dev/video1:alsa:adevice=hw.2,0:forceaudio
tv://): http://pastebin.com/yTV300iG [1] Florian -- To unsubscribe
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