[pvrusb2] Hauppauge HVR-1900 - PAL-Nc, no audio

[Dermot Buckley]

On 13 Apr 2013, at 11:46, vdb at picaros.org wrote:

> 
> The patch below might work, but it needs a kernel or module recompilation.
> 

Thanks Servaas, this is a big step in the right direction!
Audio appears to be working without issue now - automatically detecting the format, including the SAP stream.

But this seems to have introduced a colour problem:

http://bone.buckleycomputers.ie/e.mpg
(the picture is almost b&w, with some coloured horizontal lines)

Would it be possible that this change could be causing this?



If it's of assistance, log-status is below:

root at rasptune:/home/pi# v4l2-ctl --log-status

Status Log:

   [44266.426343] pvrusb2: =================  START STATUS CARD #0  =================
   [44266.439333] cx25840 0-0044: Video signal:              present
   [44266.439375] cx25840 0-0044: Detected format:           PAL-Nc
   [44266.439391] cx25840 0-0044: Specified standard:        automatic detection
   [44266.439404] cx25840 0-0044: Specified video input:     Composite 7
   [44266.439415] cx25840 0-0044: Specified audioclock freq: 48000 Hz
   [44266.444686] cx25840 0-0044: Detected audio mode:       stereo with SAP
   [44266.444707] cx25840 0-0044: Detected audio standard:   BTSC
   [44266.444735] cx25840 0-0044: Audio microcontroller:     running
   [44266.444750] cx25840 0-0044: Configured audio standard: automatic detection
   [44266.444762] cx25840 0-0044: Configured audio system:   BTSC
   [44266.444773] cx25840 0-0044: Specified audio input:     Tuner (In8)
   [44266.444784] cx25840 0-0044: Preferred audio mode:      stereo
   [44266.454035] cx25840 0-0044: IR Receiver:
   [44266.454062] cx25840 0-0044:       Enabled:                           no
   [44266.454074] cx25840 0-0044:       Demodulation from a carrier:       disabled
   [44266.454083] cx25840 0-0044:       FIFO:                              disabled
   [44266.454108] cx25840 0-0044:       Pulse timers' start/stop trigger:  disabled
   [44266.454121] cx25840 0-0044:       FIFO data on pulse timer overflow: overflow marker
   [44266.454131] cx25840 0-0044:       FIFO interrupt watermark:          half full or greater
   [44266.454140] cx25840 0-0044:       Loopback mode:                     normal receive
   [44266.454156] cx25840 0-0044:       Max measurable pulse width:        318144512 us, 318144512000 ns
   [44266.454166] cx25840 0-0044:       Low pass filter:                   disabled
   [44266.454175] cx25840 0-0044:       Pulse width timer timed-out:       no
   [44266.454184] cx25840 0-0044:       Pulse width timer time-out intr:   enabled
   [44266.454193] cx25840 0-0044:       FIFO overrun:                      no
   [44266.454202] cx25840 0-0044:       FIFO overrun interrupt:            enabled
   [44266.454210] cx25840 0-0044:       Busy:                              no
   [44266.454231] cx25840 0-0044:       FIFO service requested:            no
   [44266.454242] cx25840 0-0044:       FIFO service request interrupt:    enabled
   [44266.454251] cx25840 0-0044: IR Transmitter:
   [44266.454258] cx25840 0-0044:       Enabled:                           no
   [44266.454267] cx25840 0-0044:       Modulation onto a carrier:         disabled
   [44266.454275] cx25840 0-0044:       FIFO:                              disabled
   [44266.454284] cx25840 0-0044:       FIFO interrupt watermark:          half full or less
   [44266.454294] cx25840 0-0044:       Carrier polarity:                  space:noburst mark:burst
   [44266.454307] cx25840 0-0044:       Max pulse width:                   318144512 us, 318144512000 ns
   [44266.454317] cx25840 0-0044:       Busy:                              no
   [44266.454325] cx25840 0-0044:       FIFO service requested:            yes
   [44266.454333] cx25840 0-0044:       FIFO service request interrupt:    enabled
   [44266.454357] cx25840 0-0044: Brightness: 128
   [44266.454377] cx25840 0-0044: Contrast: 68
   [44266.454390] cx25840 0-0044: Saturation: 64
   [44266.454401] cx25840 0-0044: Hue: 0
   [44266.454412] cx25840 0-0044: Volume: 62225
   [44266.454423] cx25840 0-0044: Mute: false
   [44266.454434] cx25840 0-0044: Balance: 0
   [44266.454446] cx25840 0-0044: Bass: 0
   [44266.454456] cx25840 0-0044: Treble: 0
   [44266.454486] pvrusb2: Stream: MPEG-2 Program Stream
   [44266.454503] pvrusb2: VBI Format: No VBI
   [44266.454517] pvrusb2: Video:  720x480, 30 fps
   [44266.454533] pvrusb2: Video:  MPEG-2, 4x3, Variable Bitrate, 6000000, Peak 8000000
   [44266.454551] pvrusb2: Video:  GOP Size 15, 2 B-Frames, GOP Closure
   [44266.454568] pvrusb2: Audio:  48 kHz, MPEG-1/2 Layer II, 224 kbps, Stereo, No Emphasis, No CRC
   [44266.454592] pvrusb2: Spatial Filter:  Manual, Luma 1D Horizontal, Chroma 1D Horizontal, 0
   [44266.454617] pvrusb2: Temporal Filter: Manual, 8
   [44266.454633] pvrusb2: Median Filter:   Off, Luma [0, 255], Chroma [0, 255]
   [44266.454652] pvrusb2_a driver: <ok> <init> <connected> <mode=analog>
   [44266.454665] pvrusb2_a pipeline: <idle> <configok>
   [44266.454682] pvrusb2_a worker: <decode:quiescent> <encode:stop> <encode:waitok> <usb:stop> <pathway:ok>
   [44266.454693] pvrusb2_a state: ready
   [44266.454714] pvrusb2_a Hardware supported inputs: television, dtv, composite, s-video; allowed inputs: television, composite, s-video
   [44266.454745] pvrusb2_a Bytes streamed=104906752 URBs: queued=0 idle=0 ready=0 processed=6591 failed=0
   [44266.454759] pvrusb2_a ir scheme: id=2 Zilog
   [44266.454780] pvrusb2_a Associated v4l2-subdev drivers and I2C clients:
   [44266.454789] pvrusb2_a   cx25840: cx25840 @ 44
   [44266.454797] pvrusb2_a   tuner: tuner @ 42
   [44266.454806] pvrusb2: ==================  END STATUS CARD #0  ==================