only oddity i saw was with the MSP driver the 'simple' parameter isn't used anymore from what i can tell. modinfo msp3440.ko for a list of what's availible.
-tmk --- [EMAIL PROTECTED] wrote: > Hi > > Further to my last message, I have peeled the label > of the video encoder chip > and found out it is a CX23416-12. The product > overview on the Conexant > website does not list a higher audio capture rate > than 48kHz. So I have no > idea how I am apparently getting a speed of 96kHz > from the raw audio > device /dev/video24. Any suggestions, hints or tips > would be gratefully > received. > > Best Regards > > Trev > > > > ---------- Forwarded Message ---------- > > Subject: AVC-2410 Audio running at half speed > Date: Wednesday 26 Jan 2005 21:35 > From: [EMAIL PROTECTED] > To: [email protected] > > Hi > > I also posted this on the general list.... > > Further to my last message I did not specify that > the card is an Adaptec > Videoh! Media Center, part number AVC-2410. > I have captured the audio from /dev/video24 and > imported it into Audacity as > signed 16 bit Little endian 48000Hz stereo PCM. Then > I noticed that it > appeared to be twice as long as it should be. I then > changed the clip to > double speed and it played OK, if I imported it at > 96000Hz it also plays OK. > I therefore assume that the audio is being mixed > into the MPEG at half speed, > causing it to sound distorted. Is there a setting I > can alter to correct > this. > > > I have an AVC-2410 video capture card which works > fine in Windows. > I am trying to get it working under Linux using the > ivtv driver. > The board has the following components on: > > SAA7115HL > Micronas MSP3415G > Philips FZ1216M3/I H-3 > 53L32AKZ > PIC16C54C > 48LCM32B2 > Plus another large chip with a sticker labelled > "AVC-2410/EU PAL VIDEO CONVTR > 2053600EU A 0440 M" covering its number > > I have installed ivtv-0.2.0-rc3d using the > instructions on the website: > http://www.byopvr.com/Journal+index-jop-browse-mode-view-id-112.html > > The only real problem I had was extracting the > firmware from the file > avcpwilo.sys but I got around that by editing > ivtvfwextract.pl to set > $fw_driver_name = "avcpwilo.sys" and $tmpdir to > /home/mythtv/tmp and then I > copied avcpwilo.sys to /home/mythtv/tmp and copied a > gzipped version of > avcpwilo.sys to /home/mythtv and from /home/mythtv I > ran ivtvfwextract2.pl > avcwilo.sys.gz ./enc.img ./dec.img. I then copied > enc.img > to /lib/modules/ivtv-fw-enc.bin and dec.img to > /lib/modules/ivtv-fw-dec.bin > > I then loaded the modules: > > modprobe i2c-core > modprobe i2c-algo-bit bit_test=1 > modprobe tuner type=24 > modprobe msp3400 simpler=1 standard=0x0a debug=1 > modprobe videodev > modprobe saa7115 > modprobe tveeprom > modprobe ivtv > > and changed some settings: > > ivtvctl -p3 # set to composite input > ivtvctl -ybrightness=200 # set brightness > ivtvctl -u 0xff # set to PAL > > at this point if I run > > mplayer /dev/video0 -vc ffmpeg12 > > I get good video, but the sound is distorted with a > lot of bass in it and > speech is almost impossible to understand. > > The output from dmesg is: > > msp3400: Unknown parameter `simpler' > msp3400: Ignoring new-style parameters in presence > of obsolete ones > Linux video capture interface: v1.00 > saa7115: Ignoring new-style parameters in presence > of obsolete ones > tveeprom: Ignoring new-style parameters in presence > of obsolete ones > ivtv: ==================== START INIT IVTV > ==================== > ivtv: version 0.2.0 (rc3b) loading > ivtv: Linux version: 2.6.8.1-12mdk 686 gcc-3.4 > ivtv: In case of problems please include the debug > info > ivtv: between the START INIT IVTV and END INIT IVTV > lines when > ivtv: mailing the ivtv-devel mailinglist. > ivtv: Unknown card: vendor/device: 4444/0016, > subsystem vendor/device: > 9005/0093 > ivtv: Defaulting to WinTV PVR 250 card > ivtv: Please mail the vendor/device and subsystem > vendor/device IDs and what > kind of > ivtv: card you have to the ivtv-devel mailinglist: > http://sourceforge.net/projects/ivtv > ivtv: Prefix your subject line with [UNKNOWN CARD]. > ivtv: Found an iTVC16 based chip > PCI: Found IRQ 10 for device 0000:00:0e.0 > PCI: Sharing IRQ 10 with 0000:00:05.0 > PCI: Sharing IRQ 10 with 0000:00:07.0 > PCI: Sharing IRQ 10 with 0000:00:09.2 > ivtv: Unreasonably low latency timer, setting to 64 > (was 32) > ivtv: VIA PCI device: 0x3099 vendor: 0x1106 > i2c-algo-bit.o: (0) scl=1, sda=1 > i2c-algo-bit.o: (1) scl=1, sda=0 > i2c-algo-bit.o: (2) scl=1, sda=1 > i2c-algo-bit.o: (3) scl=0, sda=1 > i2c-algo-bit.o: (4) scl=1, sda=1 > i2c-algo-bit.o: ivtv i2c driver #0 passed test. > tuner: chip found at addr 0xc0 i2c-bus ivtv i2c > driver #0 > ivtv: i2c attach [client=(tuner unset),ok] > tuner: type set to 24 (Philips PAL/SECAM multi > (FQ1216ME)) by insmod option > tuner: The type=<n> insmod option will go away soon. > tuner: Please use the tuner=<n> option provided by > tuner: tv aard core driver (bttv, saa7134, ...) > instead. > msp34xx: ivtv version > msp34xx: init: chip=MSP3415G-B8, has NICAM support, > simple (D) mode, simpler > (G) no-thread mode > msp34xx: $Id$ compiled on: Jan 23 2005 10:55:26 > ivtv: i2c attach [client=MSP3415G-B8,ok] > saa7115: starting probe for adapter ivtv i2c driver > #0 (0x10005) > saa7115: detecting saa7115 client on address 0x42 > saa7115: writing init values > ivtv: i2c attach [client=saa7115[0],ok] > saa7115: status: (1E) 0x48, (1F) 0xc0 > ivtv: i2c client addr: 0x50 not found! > ivtv: Error -19 reading Hauppauge eeprom. > ivtv: Possible causes: the tveeprom module was not > loaded, or > ivtv: the eeprom kernel module was loaded before the > tveeprom module. > ivtv: Encoder revision: 0x02030015 > ivtv: Configuring WinTV PVR 250 card with 4 streams > ivtv: Create DMA stream 0 using 256 16384 byte > buffers 4194304 kbytes total > ivtv: Registered v4l2 device, streamtype 0 minor 0 > ivtv: Create DMA stream 1 > ivtv: Registered v4l2 device, streamtype 1 minor 32 > ivtv: Create stream 2 using 40 52224 byte buffers > 2097152 kbytes total > ivtv: Registered v4l2 device, streamtype 2 minor 224 > ivtv: Create DMA stream 3 using 455 4608 byte > buffers 2097152 kbytes total > ivtv: Registered v4l2 device, streamtype 3 minor 24 > ivtv: Could not detect tuner standard, defaulting to > NTSC. > ivtv: i2c client addr: 0x61 not found! > ivtv: Setting audio matrix to input 3, output 1 > ivtv: Switching standard to NTSC. > ivtv: i2c client addr: 0x61 not found! > ivtv: ivtv_enc_thread: pid = 6534, itv = 0xd0e9a6a0 > saa7115: decoder set norm NTSC > saa7115: set audio: 0x01 > === message truncated === ------------------------------------------------------- This SF.Net email is sponsored by: IntelliVIEW -- Interactive Reporting Tool for open source databases. 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