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Creative Sound Blaster Omni Surround 5.1 USB Sound Card with 600ohm Headphone Amp and Integrated Microphone. External Box: Yes System Requirements: On PC platform Intel Core 2 Duo or AMD equivalent processor at 2.2 GHz Microsoft Windows 8 / Windows 7 / Windows Vista 1GB RAM 600MB free hard disk space CDROM / DVDROM drive USB 2.0 port On Mac Platform Intel Core 2 Duo 2.8GHz Mac OS 10.6 & above. Generated while processing linux/drivers/media/pci/saa7134/saa7134-alsa.c Generated on 2019-Mar-29 from project linux revision v5.1-rc2 Powered by Code Browser 2.1. .Please be noted: For CMI873x or CMI876x series, C-Media no longer support Win10 driver. For CMI878x, CM88xx, or USB Audio series, please contact your product vendor to get customized Win10 driver. However, if your product didn't apply customized driver when you purchased, you can then just use Win10 in box standard driver.
I have successfully running video on this card but can't obtain thesound. Output of 'v4l2-ctl --log-status --device=/dev/video0' command
is:
Status Log:
ivtv0: START STATUS CARD #0
tuner 1-0061: Tuner mode: analog TV
tuner 1-0061: Frequency: 400.00 MHz
tuner 1-0061: Standard: 0x00000007
cx25840 1-0044: Video signal: present
cx25840 1-0044: Detected format: PAL-BDGHI
cx25840 1-0044: Specified standard: PAL-BDGHI
cx25840 1-0044: Specified video input: S-Video (Luma In3, Chroma
In7)
cx25840 1-0044: Specified audioclock freq: 48000 Hz
cx25840 1-0044: Detected audio mode: forced mode
cx25840 1-0044: Detected audio standard: no detected audio standard
cx25840 1-0044: Audio muted: no
cx25840 1-0044: Audio microcontroller: stopped
cx25840 1-0044: Configured audio standard: automatic detection
cx25840 1-0044: Configured audio system: automatic standard and
mode detection
cx25840 1-0044: Specified audio input: External
cx25840 1-0044: Preferred audio mode: stereo
cx25840 1-0044: Selected 65 MHz format: autodetect
cx25840 1-0044: Selected 45 MHz format: chroma
ivtv0: Video Input: S-Video 1
ivtv0: Audio Input: Line In 1
ivtv0: Tuner: TV
ivtv0: Stream: MPEG-2 Program Stream
ivtv0: VBI Format: No VBI
ivtv0: Video: 720x576, 25 fps
ivtv0: Video: MPEG-2, 4x3, Variable Bitrate, 2000000, Peak 2500000
ivtv0: Video: GOP Size 12, 2 B-Frames, GOP Closure
ivtv0: Audio: 48 kHz, Layer II, 224 kbps, Stereo, No Emphasis, No
CRC
ivtv0: Spatial Filter: Manual, Luma 1D Horizontal, Chroma 1D
Horizontal, 0
ivtv0: Temporal Filter: Manual, 8
ivtv0: Median Filter: Off, Luma [0, 255], Chroma [0, 255]
ivtv0: Status flags: 0x00000000
ivtv0: Stream encoder MPEG: status 0x0118, 1% of 4096 KiB (128
buffers) in use
ivtv0: Stream encoder YUV: status 0x0000, 0% of 2037 KiB (161
buffers) in use
ivtv0: Stream encoder VBI: status 0x0000, 0% of 1023 KiB (40 buffers)
in use
ivtv0: Stream encoder PCM audio: status 0x0000, 0% of 1021 KiB (227
buffers) in use
ivtv0: Read MPEG/VBI: 150026176/0 bytes
ivtv0: END STATUS CARD #0
As I understand the card can't detect audio system:
cx25840 1-0044: Detected audio standard: no detected audio standard
cx25840 1-0044: Audio muted: no
But when I'm rading from /dev/video0 I see the audio PES packets (0xc0
PID). It's looks like this packets is 'fake' or 'silence'. This is first
64 bytes dump of this packets:
0x0 0 1 c0 7 ec 80 80 9 21 10 43 64 a9 ff ff ff ff ff fd b4 0 bb 11 11
11 11 11 11 dd 11 11 11 24 92 49 24 92 51 0 0 35 0 e aa aa aa aa aa aa
aa aa aa aa a1 86 cf 3c 30 c3 b 6d aa aa
And of course there is silence in headphones.
I'v trying to get registers with command 'v4l2-dbg -R
type=i2cdrv,chip=cx25840,min=0x805,max=0x809 -d /dev/video0' and I'v get
following error messages:
ioctl: VIDIOC_DBG_G_REGISTER
00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
ioctl: VIDIOC_DBG_G_REGISTER failed for 0x805
ioctl: VIDIOC_DBG_G_REGISTER failed for 0x806
ioctl: VIDIOC_DBG_G_REGISTER failed for 0x807
ioctl: VIDIOC_DBG_G_REGISTER failed for 0x808
ioctl: VIDIOC_DBG_G_REGISTER failed for 0x809
00000800:
and following messages in dmesg:
Jul 23 02:01:38 streamer2 ivtv0: i2c ID 0x00000000 (gpio) not found for
command 0xc0185650!
Jul 23 02:01:38 streamer2 ivtv0: i2c ID 0x00000000 (gpio) not found for
command 0xc0185650!
Jul 23 02:01:38 streamer2 ivtv0: i2c ID 0x00000000 (gpio) not found for
command 0xc0185650!
Jul 23 02:01:38 streamer2 ivtv0: i2c ID 0x00000000 (gpio) not found for
command 0xc0185650!
Jul 23 02:01:38 streamer2 ivtv0: i2c ID 0x00000000 (gpio) not found for
command 0xc0185650!
I'v trying to change audio_conf with following command './v4l2-dbg -r
chip=cx25840,reg=0x808,val=0x1f -d /dev/video0'. This command completed
successfully but nothing is changed.
Please, help to solve this problem.
Thanks !
--
Abylai Ospan <aospan@netup.ru>
NetUP Inc.
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