On Mon, Nov 06, 2006 at 11:30:00PM +0100, Hans Verkuil wrote: > -i switches both, -a only switches the audio. Normally you never use -a, > only if you want to do strange things like capture video from the > tuner, but use audio from the line-in inputs. > > Without using -i you can't switch video and are capturing from the > tuner. > > Hans >
First, you may consider updating the help text of v4l2-ctl - because what you just explained to me is *not* what the command description says. As i suspected, this was not the solution. As I stated originally, I am succesfully capturing video via the s-video input, but not receiving audio. I do not even have the coax cable connected to the tuner input. I cycled through all of the inputs using v4l2-ctl -i, with nothing changed. cx25840 0-0044: Detected audio standard: no detected audio standard cx25840 0-0044: Audio microcontroller: stopped These lines make me wonder. Should they have this output if everything is working correctly as far as the driver is concerned? myth ~ # v4l2-ctl -I Video input : 1 (S-Video 1) myth ~ # v4l2-ctl -A Audio input : 1 (Line In 1) myth ~ # v4l2-ctl --log-status Status Log: ivtv0: ================= START STATUS CARD #0 ================= tveeprom 0-0050: Hauppauge model 23552, rev D492, serial# 7844535 tveeprom 0-0050: tuner model is Philips FQ1236A MK4 (idx 92, type 57) tveeprom 0-0050: TV standards NTSC(M) (eeprom 0x08) tveeprom 0-0050: second tuner model is Philips TEA5768HL FM Radio (idx 101, type 62) tveeprom 0-0050: audio processor is CX25843 (idx 37) tveeprom 0-0050: decoder processor is CX25843 (idx 30) tveeprom 0-0050: has radio, has no IR remote tda9887 0-0043: Data bytes: b=0xd4 c=0x30 e=0x44 tuner 0-0060: Tuner mode: undefined tuner 0-0060: Frequency: 0.00 MHz tuner 0-0060: Standard: 0x00000000 tuner 0-0061: Tuner mode: analog TV tuner 0-0061: Frequency: 67.25 MHz tuner 0-0061: Standard: 0x0000b000 cx25840 0-0044: Video signal: present cx25840 0-0044: Detected format: NTSC-M cx25840 0-0044: Specified standard: NTSC-M cx25840 0-0044: Specified video input: S-Video (Luma In1, Chroma In5) cx25840 0-0044: Specified audioclock freq: 48000 Hz cx25840 0-0044: Detected audio mode: forced mode cx25840 0-0044: Detected audio standard: no detected audio standard cx25840 0-0044: Audio muted: no cx25840 0-0044: Audio microcontroller: stopped cx25840 0-0044: Configured audio standard: automatic detection cx25840 0-0044: Configured audio system: BTSC cx25840 0-0044: Specified audio input: External cx25840 0-0044: Preferred audio mode: stereo wm8775 0-001b: Input: 2 ivtv0: Stream: MPEG-2 Program Stream ivtv0: Video: 640x480, 30 fps ivtv0: Video: MPEG-2, 4x3, Variable Bitrate, 4500000, Peak 6000000 ivtv0: Video: GOP Size 15, 2 B-Frames, GOP Closure, No 3:2 Pulldown ivtv0: Audio: 48 kHz, Layer II, 384 kbps, Stereo, No Emphasis, No CRC ivtv0: Spatial Filter: Manual, Luma 1D Horizontal, Chroma 1D Horizontal, 0 ivtv0: Temporal Filter: Manual, 0 ivtv0: Median Filter: Off, Luma [0, 255], Chroma [0, 255] ivtv0: ================== END STATUS CARD #0 ==================
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