Please select a known stereo channel and run 'ivtvctl --log-status -Z'.
Please post the output, preferably one log for the pvr250 and one for
the pvr150. That makes it easier to compares the two (both tuned to the
same stereo channel of course).
Thanks,
Hans
On Monday 04 September 2006 23:40, Dennis M. Ott wrote:
> I have a large-ish mythtv setup with PVR-250s in the master backend
> and PVR-150s in a slave backend. I have had the PVR-150s for over a
> year but have recently come to realize that they aren't recording
> stereo. Checking some old recordings, I would say that these cards
> have always recorded mono over several kernel and driver updates, but
> I can't say for certain and I don't have details of all the versions
> used.
>
> Below is the current setup.
>
> The PVR-150s are a model 1045.
>
> There are no other capture cards in this machine.
>
> The OS is Fedora Core 5.
>
> This is an ATrpms install.
>
> The kernel is 2.6.17-1.2174_FC5.
>
> The driver is ivtv-0.7.0-117.fc5.a
>
> The firmware is ivtv-firmware-1.8a-10.a
>
> I have nothing related to ivtv, tuners, and so on in modprobe.conf.
>
> This is the relevant output from dmesg:
>
> ivtv: ==================== START INIT IVTV ====================
> ivtv: version 0.7.0 (tagged release) loading
> ivtv: Linux version: 2.6.17-1.2174_FC5 mod_unload 686 REGPARM
> 4KSTACKS gcc-4.1
> ivtv: In case of problems please include the debug info between
> ivtv: the START INIT IVTV and END INIT IVTV lines, along with
> ivtv: any module options, when mailing the ivtv-users mailinglist.
> ivtv0: Autodetected Hauppauge WinTV PVR-150 card (cx23416 based)
> ACPI: PCI Interrupt 0000:00:0c.0[A] -> Link [LNKD] -> GSI 11 (level,
> low) -> IRQ
> 11
> cx25840 1-0044: cx25841-23 found @ 0x88 (ivtv i2c driver #0)
> cx25840 1-0044: loaded v4l-cx25840.fw firmware (16382 bytes)
> wm8775 1-001b: chip found @ 0x36 (ivtv i2c driver #0)
> tveeprom 1-0050: Hauppauge model 26032, rev C199, serial# 2978704
> tveeprom 1-0050: tuner model is TCL 2002N 5H (idx 99, type 50)
> tveeprom 1-0050: TV standards NTSC(M) (eeprom 0x08)
> tveeprom 1-0050: audio processor is CX25841 (idx 35)
> tveeprom 1-0050: decoder processor is CX25841 (idx 28)
> tveeprom 1-0050: has no radio, has IR remote
> tuner 1-0061: chip found @ 0xc2 (ivtv i2c driver #0)
> ivtv0: loaded v4l-cx2341x-enc.fw firmware (262144 bytes)
> ivtv0: Encoder revision: 0x02050032
> ivtv0: Allocate DMA encoder MPEG stream: 128 x 32768 buffers (4096KB
> total)
> ivtv0: Allocate DMA encoder YUV stream: 194 x 10800 buffers (2048KB
> total)
> ivtv0: Allocate DMA encoder VBI stream: 120 x 17472 buffers (2048KB
> total)
> ivtv0: Allocate DMA encoder PCM audio stream: 455 x 4608 buffers
> (2048KB total)
> tuner 1-0061: type set to 50 (TCL 2002N)
> ivtv0: Initialized Hauppauge WinTV PVR-150, card #0
> ivtv: ====================== NEXT CARD ======================
> ivtv1: Autodetected Hauppauge WinTV PVR-150 card (cx23416 based)
> ACPI: PCI Interrupt 0000:00:0d.0[A] -> Link [LNKA] -> GSI 11 (level,
> low) -> IRQ
> 11
> cx25840 2-0044: cx25841-23 found @ 0x88 (ivtv i2c driver #1)
> cx25840 2-0044: loaded v4l-cx25840.fw firmware (16382 bytes)
> wm8775 2-001b: chip found @ 0x36 (ivtv i2c driver #1)
> tuner 2-0061: chip found @ 0xc2 (ivtv i2c driver #1)
> tveeprom 2-0050: Hauppauge model 26032, rev C199, serial# 8237514
> tveeprom 2-0050: tuner model is TCL 2002N 5H (idx 99, type 50)
> tveeprom 2-0050: TV standards NTSC(M) (eeprom 0x08)
> tveeprom 2-0050: audio processor is CX25841 (idx 35)
> tveeprom 2-0050: decoder processor is CX25841 (idx 28)
> tveeprom 2-0050: has no radio, has IR remote
> ivtv1: loaded v4l-cx2341x-enc.fw firmware (262144 bytes)
> ivtv1: Encoder revision: 0x02050032
> ivtv1: Allocate DMA encoder MPEG stream: 128 x 32768 buffers (4096KB
> total)
> ivtv1: Allocate DMA encoder YUV stream: 194 x 10800 buffers (2048KB
> total)
> ivtv1: Allocate DMA encoder VBI stream: 120 x 17472 buffers (2048KB
> total)
> ivtv1: Allocate DMA encoder PCM audio stream: 455 x 4608 buffers
> (2048KB total)
> tuner 2-0061: type set to 50 (TCL 2002N)
> ivtv1: Initialized Hauppauge WinTV PVR-150, card #1
>
>
> The relevant output from lspci -v :
>
> 00:0c.0 Multimedia video controller: Internext Compression Inc iTVC16
> (CX23416) MPEG-2 Encoder (rev 01)
> Subsystem: Hauppauge computer works Inc. WinTV PVR 150
> Flags: bus master, medium devsel, latency 64, IRQ 11
> Memory at e0000000 (32-bit, prefetchable) [size=64M]
> Capabilities: [44] Power Management version 2
>
> 00:0d.0 Multimedia video controller: Internext Compression Inc iTVC16
> (CX23416) MPEG-2 Encoder (rev 01)
> Subsystem: Hauppauge computer works Inc. WinTV PVR 150
> Flags: bus master, medium devsel, latency 64, IRQ 11
> Memory at dc000000 (32-bit, prefetchable) [size=64M]
> Capabilities: [44] Power Management version 2
>
>
>
> As far as I can tell, the cards and tuners are being detected
> correctly.
>
> Immediately after the ivtv module is loaded on the PVR-150 I get:
>
> [EMAIL PROTECTED] ~]# ivtvctl -Z
> ioctl VIDIOC_G_TUNER ok
> frequency range: 44.0 MHz - 958.0 MHz
> signal strength: 99%
> current audio mode : 3
> (stereo 1, lang1 3, lang2 2, both 4, mono 0)
> available subchannels: 0x5
> (stereo 0x2, lang1 0x8, lang2 0x4, mono 0x1)
> [EMAIL PROTECTED] ~]#
>
>
> On the PVR-250 I get:
>
>
> [EMAIL PROTECTED] ~]# ivtvctl -Z
> ioctl VIDIOC_G_TUNER ok
> frequency range: 44.0 MHz - 958.0 MHz
> signal strength: 99%
> current audio mode : 1
> (stereo 1, lang1 3, lang2 2, both 4, mono 0)
> available subchannels: 0x2
> (stereo 0x2, lang1 0x8, lang2 0x4, mono 0x1)
> [EMAIL PROTECTED] ~]#
>
> If I am interpreting the above correctly, the PVR-150s don't think
> that stereo is being transmitted, yet the PVR-250s do when tuned to
> the same channel. All cards are connected to the same feed (Comcast
> Cable in Atlanta, GA U.S.)
>
> I have eliminated myth by making sure the backend won't start after a
> reboot, shutting down the machine, waiting several minutes, booting,
> manually loading the drivers and using
>
> cat /dev/video0 > test.mpg
>
> I have tried to force different modes using
>
> ivtvctl -z <value>
>
> with values of 0, 1, 2, 4, and 8.
>
> I have swapped the boards between backends. The problem follows the
> PVR-150.
>
> I have searched the internet archives and find issues with no audio,
> intermittent audio, distorted audio, and even tinny audio, but have
> not seen anything about mono when there should be stereo.
>
> Any help will be greatly appreciated.
>
>
>
>
>
> _______________________________________________
> ivtv-users mailing list
> [email protected]
> http://ivtvdriver.org/mailman/listinfo/ivtv-users
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