Re: [x86_64] linux 2.6.15-rc6 mplayer fails to record ALSA audio.

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Hi,

With recent git tree I'm still experiencing the same problem that
audio isn't captured with mencoder.

$ uname -a 
Linux dancer64 2.6.15dancer-ga4fc7ab1-dirty #1 Thu Jan 12 08:32:49 JST 2006 x86_64 GNU/Linux

last successful one was 2.6.14-rc5.


I've noticed that there is a v4l-info command, which dumps v4l2
information, and it seems to signify that v4l2 is giving a different
answer.

The following is a diff, which seems to signify that this difference
exists in the two versions:

-	audioset                : 1
+	audioset                : 0

What caused this change and how to revert is a mystery, yet.



$ diff -u 261[45]/v4l-info
--- 2614/v4l-info	2006-01-14 16:22:58.000000000 +0900
+++ 2615/v4l-info	2006-01-14 16:19:00.000000000 +0900
@@ -25,7 +25,7 @@
 	framelines              : 525
     VIDIOC_ENUMSTD(2)
 	index                   : 2
-	id                      : 0x7f0000 [SECAM_B,SECAM_D,SECAM_G,SECAM_H,SECAM_K,SECAM_K1,SECAM_L]
+	id                      : 0xff0000 [SECAM_B,SECAM_D,SECAM_G,SECAM_H,SECAM_K,SECAM_K1,SECAM_L,?ATSC_8_VSB]
 	name                    : "SECAM"
 	frameperiod.numerator   : 1
 	frameperiod.denominator : 25
@@ -71,25 +71,25 @@
 	index                   : 0
 	name                    : "Television"
 	type                    : TUNER
-	audioset                : 1
+	audioset                : 0
 	tuner                   : 0
-	std                     : 0x7f3fff [PAL_B,PAL_B1,PAL_G,PAL_H,PAL_I,PAL_D,PAL_D1,PAL_K,PAL_M,PAL_N,PAL_Nc,PAL_60,NTSC_M,NTSC_M_JP,SECAM_B,SECAM_D,SECAM_G,SECAM_H,SECAM_K,SECAM_K1,SECAM_L]
+	std                     : 0xff3fff [PAL_B,PAL_B1,PAL_G,PAL_H,PAL_I,PAL_D,PAL_D1,PAL_K,PAL_M,PAL_N,PAL_Nc,PAL_60,NTSC_M,NTSC_M_JP,SECAM_B,SECAM_D,SECAM_G,SECAM_H,SECAM_K,SECAM_K1,SECAM_L,?ATSC_8_VSB]
 	status                  : 0x100 [NO_H_LOCK]
     VIDIOC_ENUMINPUT(1)
 	index                   : 1
 	name                    : "Composite1"
 	type                    : CAMERA
-	audioset                : 1
+	audioset                : 0
 	tuner                   : 0
-	std                     : 0x7f3fff [PAL_B,PAL_B1,PAL_G,PAL_H,PAL_I,PAL_D,PAL_D1,PAL_K,PAL_M,PAL_N,PAL_Nc,PAL_60,NTSC_M,NTSC_M_JP,SECAM_B,SECAM_D,SECAM_G,SECAM_H,SECAM_K,SECAM_K1,SECAM_L]
+	std                     : 0xff3fff [PAL_B,PAL_B1,PAL_G,PAL_H,PAL_I,PAL_D,PAL_D1,PAL_K,PAL_M,PAL_N,PAL_Nc,PAL_60,NTSC_M,NTSC_M_JP,SECAM_B,SECAM_D,SECAM_G,SECAM_H,SECAM_K,SECAM_K1,SECAM_L,?ATSC_8_VSB]
 	status                  : 0x0 []
     VIDIOC_ENUMINPUT(2)
 	index                   : 2
 	name                    : "S-Video"
 	type                    : CAMERA
-	audioset                : 1
+	audioset                : 0
 	tuner                   : 0
-	std                     : 0x7f3fff [PAL_B,PAL_B1,PAL_G,PAL_H,PAL_I,PAL_D,PAL_D1,PAL_K,PAL_M,PAL_N,PAL_Nc,PAL_60,NTSC_M,NTSC_M_JP,SECAM_B,SECAM_D,SECAM_G,SECAM_H,SECAM_K,SECAM_K1,SECAM_L]
+	std                     : 0xff3fff [PAL_B,PAL_B1,PAL_G,PAL_H,PAL_I,PAL_D,PAL_D1,PAL_K,PAL_M,PAL_N,PAL_Nc,PAL_60,NTSC_M,NTSC_M_JP,SECAM_B,SECAM_D,SECAM_G,SECAM_H,SECAM_K,SECAM_K1,SECAM_L,?ATSC_8_VSB]
 	status                  : 0x0 []
 
 tuners
@@ -98,8 +98,8 @@
 	name                    : "Television"
 	type                    : ANALOG_TV
 	capability              : 0x2 [NORM]
-	rangelow                : 0
-	rangehigh               : 4294967295
+	rangelow                : 704
+	rangehigh               : 15328
 	rxsubchans              : 0x1 [MONO]
 	audmode                 : MONO
 	signal                  : 0
@@ -332,11 +332,11 @@
     VIDIOC_G_FMT(VBI_CAPTURE)
 	type                    : VBI_CAPTURE
 	fmt.vbi.sampling_rate   : 35468950
-	fmt.vbi.offset          : 244
+	fmt.vbi.offset          : 128
 	fmt.vbi.samples_per_line: 2048
 	fmt.vbi.sample_format   : 0x59455247 [GREY]
 	fmt.vbi.start[0]        : 7
-	fmt.vbi.start[1]        : 319
+	fmt.vbi.start[1]        : 320
 	fmt.vbi.count[0]        : 16
 	fmt.vbi.count[1]        : 16
 	fmt.vbi.flags           : 0



full output of v4l-info:
### v4l2 device info [/dev/video0] ###
general info
    VIDIOC_QUERYCAP
	driver                  : "bttv"
	card                    : "BT878 video (IODATA GV-BCTV5/PC"
	bus_info                : "PCI:0000:03:0b.0"
	version                 : 0.9.16
	capabilities            : 0x5010015 [VIDEO_CAPTURE,VIDEO_OVERLAY,VBI_CAPTURE,TUNER,READWRITE,STREAMING]

standards
    VIDIOC_ENUMSTD(0)
	index                   : 0
	id                      : 0xff [PAL_B,PAL_B1,PAL_G,PAL_H,PAL_I,PAL_D,PAL_D1,PAL_K]
	name                    : "PAL"
	frameperiod.numerator   : 1
	frameperiod.denominator : 25
	framelines              : 625
    VIDIOC_ENUMSTD(1)
	index                   : 1
	id                      : 0x1000 [NTSC_M]
	name                    : "NTSC"
	frameperiod.numerator   : 1001
	frameperiod.denominator : 30000
	framelines              : 525
    VIDIOC_ENUMSTD(2)
	index                   : 2
	id                      : 0xff0000 [SECAM_B,SECAM_D,SECAM_G,SECAM_H,SECAM_K,SECAM_K1,SECAM_L,?ATSC_8_VSB]
	name                    : "SECAM"
	frameperiod.numerator   : 1
	frameperiod.denominator : 25
	framelines              : 625
    VIDIOC_ENUMSTD(3)
	index                   : 3
	id                      : 0x400 [PAL_Nc]
	name                    : "PAL-Nc"
	frameperiod.numerator   : 1
	frameperiod.denominator : 25
	framelines              : 625
    VIDIOC_ENUMSTD(4)
	index                   : 4
	id                      : 0x100 [PAL_M]
	name                    : "PAL-M"
	frameperiod.numerator   : 1001
	frameperiod.denominator : 30000
	framelines              : 525
    VIDIOC_ENUMSTD(5)
	index                   : 5
	id                      : 0x200 [PAL_N]
	name                    : "PAL-N"
	frameperiod.numerator   : 1
	frameperiod.denominator : 25
	framelines              : 625
    VIDIOC_ENUMSTD(6)
	index                   : 6
	id                      : 0x2000 [NTSC_M_JP]
	name                    : "NTSC-JP"
	frameperiod.numerator   : 1001
	frameperiod.denominator : 30000
	framelines              : 525
    VIDIOC_ENUMSTD(7)
	index                   : 7
	id                      : 0x800 [PAL_60]
	name                    : "PAL-60"
	frameperiod.numerator   : 1
	frameperiod.denominator : 25
	framelines              : 625

inputs
    VIDIOC_ENUMINPUT(0)
	index                   : 0
	name                    : "Television"
	type                    : TUNER
	audioset                : 0
	tuner                   : 0
	std                     : 0xff3fff [PAL_B,PAL_B1,PAL_G,PAL_H,PAL_I,PAL_D,PAL_D1,PAL_K,PAL_M,PAL_N,PAL_Nc,PAL_60,NTSC_M,NTSC_M_JP,SECAM_B,SECAM_D,SECAM_G,SECAM_H,SECAM_K,SECAM_K1,SECAM_L,?ATSC_8_VSB]
	status                  : 0x100 [NO_H_LOCK]
    VIDIOC_ENUMINPUT(1)
	index                   : 1
	name                    : "Composite1"
	type                    : CAMERA
	audioset                : 0
	tuner                   : 0
	std                     : 0xff3fff [PAL_B,PAL_B1,PAL_G,PAL_H,PAL_I,PAL_D,PAL_D1,PAL_K,PAL_M,PAL_N,PAL_Nc,PAL_60,NTSC_M,NTSC_M_JP,SECAM_B,SECAM_D,SECAM_G,SECAM_H,SECAM_K,SECAM_K1,SECAM_L,?ATSC_8_VSB]
	status                  : 0x0 []
    VIDIOC_ENUMINPUT(2)
	index                   : 2
	name                    : "S-Video"
	type                    : CAMERA
	audioset                : 0
	tuner                   : 0
	std                     : 0xff3fff [PAL_B,PAL_B1,PAL_G,PAL_H,PAL_I,PAL_D,PAL_D1,PAL_K,PAL_M,PAL_N,PAL_Nc,PAL_60,NTSC_M,NTSC_M_JP,SECAM_B,SECAM_D,SECAM_G,SECAM_H,SECAM_K,SECAM_K1,SECAM_L,?ATSC_8_VSB]
	status                  : 0x0 []

tuners
    VIDIOC_G_TUNER(0)
	index                   : 0
	name                    : "Television"
	type                    : ANALOG_TV
	capability              : 0x2 [NORM]
	rangelow                : 704
	rangehigh               : 15328
	rxsubchans              : 0x1 [MONO]
	audmode                 : MONO
	signal                  : 0
	afc                     : 0

video capture
    VIDIOC_ENUM_FMT(0,VIDEO_CAPTURE)
	index                   : 0
	type                    : VIDEO_CAPTURE
	flags                   : 0
	description             : "8 bpp, gray"
	pixelformat             : 0x59455247 [GREY]
    VIDIOC_ENUM_FMT(1,VIDEO_CAPTURE)
	index                   : 1
	type                    : VIDEO_CAPTURE
	flags                   : 0
	description             : "8 bpp, dithered color"
	pixelformat             : 0x34324948 [HI24]
    VIDIOC_ENUM_FMT(2,VIDEO_CAPTURE)
	index                   : 2
	type                    : VIDEO_CAPTURE
	flags                   : 0
	description             : "15 bpp RGB, le"
	pixelformat             : 0x4f424752 [RGBO]
    VIDIOC_ENUM_FMT(3,VIDEO_CAPTURE)
	index                   : 3
	type                    : VIDEO_CAPTURE
	flags                   : 0
	description             : "15 bpp RGB, be"
	pixelformat             : 0x51424752 [RGBQ]
    VIDIOC_ENUM_FMT(4,VIDEO_CAPTURE)
	index                   : 4
	type                    : VIDEO_CAPTURE
	flags                   : 0
	description             : "16 bpp RGB, le"
	pixelformat             : 0x50424752 [RGBP]
    VIDIOC_ENUM_FMT(5,VIDEO_CAPTURE)
	index                   : 5
	type                    : VIDEO_CAPTURE
	flags                   : 0
	description             : "16 bpp RGB, be"
	pixelformat             : 0x52424752 [RGBR]
    VIDIOC_ENUM_FMT(6,VIDEO_CAPTURE)
	index                   : 6
	type                    : VIDEO_CAPTURE
	flags                   : 0
	description             : "24 bpp RGB, le"
	pixelformat             : 0x33524742 [BGR3]
    VIDIOC_ENUM_FMT(7,VIDEO_CAPTURE)
	index                   : 7
	type                    : VIDEO_CAPTURE
	flags                   : 0
	description             : "32 bpp RGB, le"
	pixelformat             : 0x34524742 [BGR4]
    VIDIOC_ENUM_FMT(8,VIDEO_CAPTURE)
	index                   : 8
	type                    : VIDEO_CAPTURE
	flags                   : 0
	description             : "32 bpp RGB, be"
	pixelformat             : 0x34424752 [RGB4]
    VIDIOC_ENUM_FMT(9,VIDEO_CAPTURE)
	index                   : 9
	type                    : VIDEO_CAPTURE
	flags                   : 0
	description             : "4:2:2, packed, YUYV"
	pixelformat             : 0x56595559 [YUYV]
    VIDIOC_ENUM_FMT(10,VIDEO_CAPTURE)
	index                   : 10
	type                    : VIDEO_CAPTURE
	flags                   : 0
	description             : "4:2:2, packed, YUYV"
	pixelformat             : 0x56595559 [YUYV]
    VIDIOC_ENUM_FMT(11,VIDEO_CAPTURE)
	index                   : 11
	type                    : VIDEO_CAPTURE
	flags                   : 0
	description             : "4:2:2, packed, UYVY"
	pixelformat             : 0x59565955 [UYVY]
    VIDIOC_ENUM_FMT(12,VIDEO_CAPTURE)
	index                   : 12
	type                    : VIDEO_CAPTURE
	flags                   : 0
	description             : "4:2:2, planar, Y-Cb-Cr"
	pixelformat             : 0x50323234 [422P]
    VIDIOC_ENUM_FMT(13,VIDEO_CAPTURE)
	index                   : 13
	type                    : VIDEO_CAPTURE
	flags                   : 0
	description             : "4:2:0, planar, Y-Cb-Cr"
	pixelformat             : 0x32315559 [YU12]
    VIDIOC_ENUM_FMT(14,VIDEO_CAPTURE)
	index                   : 14
	type                    : VIDEO_CAPTURE
	flags                   : 0
	description             : "4:2:0, planar, Y-Cr-Cb"
	pixelformat             : 0x32315659 [YV12]
    VIDIOC_ENUM_FMT(15,VIDEO_CAPTURE)
	index                   : 15
	type                    : VIDEO_CAPTURE
	flags                   : 0
	description             : "4:1:1, planar, Y-Cb-Cr"
	pixelformat             : 0x50313134 [411P]
    VIDIOC_ENUM_FMT(16,VIDEO_CAPTURE)
	index                   : 16
	type                    : VIDEO_CAPTURE
	flags                   : 0
	description             : "4:1:0, planar, Y-Cb-Cr"
	pixelformat             : 0x39565559 [YUV9]
    VIDIOC_ENUM_FMT(17,VIDEO_CAPTURE)
	index                   : 17
	type                    : VIDEO_CAPTURE
	flags                   : 0
	description             : "4:1:0, planar, Y-Cr-Cb"
	pixelformat             : 0x39555659 [YVU9]
    VIDIOC_G_FMT(VIDEO_CAPTURE)
	type                    : VIDEO_CAPTURE
	fmt.pix.width           : 320
	fmt.pix.height          : 240
	fmt.pix.pixelformat     : 0x56595559 [YUYV]
	fmt.pix.field           : INTERLACED
	fmt.pix.bytesperline    : 640
	fmt.pix.sizeimage       : 153600
	fmt.pix.colorspace      : unknown
	fmt.pix.priv            : 0

video overlay
    VIDIOC_ENUM_FMT(0,VIDEO_OVERLAY)
	index                   : 0
	type                    : VIDEO_OVERLAY
	flags                   : 0
	description             : "8 bpp, gray"
	pixelformat             : 0x59455247 [GREY]
    VIDIOC_ENUM_FMT(1,VIDEO_OVERLAY)
	index                   : 1
	type                    : VIDEO_OVERLAY
	flags                   : 0
	description             : "8 bpp, dithered color"
	pixelformat             : 0x34324948 [HI24]
    VIDIOC_ENUM_FMT(2,VIDEO_OVERLAY)
	index                   : 2
	type                    : VIDEO_OVERLAY
	flags                   : 0
	description             : "15 bpp RGB, le"
	pixelformat             : 0x4f424752 [RGBO]
    VIDIOC_ENUM_FMT(3,VIDEO_OVERLAY)
	index                   : 3
	type                    : VIDEO_OVERLAY
	flags                   : 0
	description             : "15 bpp RGB, be"
	pixelformat             : 0x51424752 [RGBQ]
    VIDIOC_ENUM_FMT(4,VIDEO_OVERLAY)
	index                   : 4
	type                    : VIDEO_OVERLAY
	flags                   : 0
	description             : "16 bpp RGB, le"
	pixelformat             : 0x50424752 [RGBP]
    VIDIOC_ENUM_FMT(5,VIDEO_OVERLAY)
	index                   : 5
	type                    : VIDEO_OVERLAY
	flags                   : 0
	description             : "16 bpp RGB, be"
	pixelformat             : 0x52424752 [RGBR]
    VIDIOC_ENUM_FMT(6,VIDEO_OVERLAY)
	index                   : 6
	type                    : VIDEO_OVERLAY
	flags                   : 0
	description             : "24 bpp RGB, le"
	pixelformat             : 0x33524742 [BGR3]
    VIDIOC_ENUM_FMT(7,VIDEO_OVERLAY)
	index                   : 7
	type                    : VIDEO_OVERLAY
	flags                   : 0
	description             : "32 bpp RGB, le"
	pixelformat             : 0x34524742 [BGR4]
    VIDIOC_ENUM_FMT(8,VIDEO_OVERLAY)
	index                   : 8
	type                    : VIDEO_OVERLAY
	flags                   : 0
	description             : "32 bpp RGB, be"
	pixelformat             : 0x34424752 [RGB4]
    VIDIOC_ENUM_FMT(9,VIDEO_OVERLAY)
	index                   : 9
	type                    : VIDEO_OVERLAY
	flags                   : 0
	description             : "4:2:2, packed, YUYV"
	pixelformat             : 0x56595559 [YUYV]
    VIDIOC_ENUM_FMT(10,VIDEO_OVERLAY)
	index                   : 10
	type                    : VIDEO_OVERLAY
	flags                   : 0
	description             : "4:2:2, packed, YUYV"
	pixelformat             : 0x56595559 [YUYV]
    VIDIOC_ENUM_FMT(11,VIDEO_OVERLAY)
	index                   : 11
	type                    : VIDEO_OVERLAY
	flags                   : 0
	description             : "4:2:2, packed, UYVY"
	pixelformat             : 0x59565955 [UYVY]
    VIDIOC_G_FMT(VIDEO_OVERLAY)
	type                    : VIDEO_OVERLAY
	fmt.win.w.left          : 0
	fmt.win.w.top           : 0
	fmt.win.w.width         : 320
	fmt.win.w.height        : 240
	fmt.win.field           : ANY
	fmt.win.chromakey       : 0
	fmt.win.clips           : (nil)
	fmt.win.clipcount       : 0
	fmt.win.bitmap          : (nil)
    VIDIOC_G_FBUF
	capability              : 0x4 [LIST_CLIPPING]
	flags                   : 0x0 []
	base                    : (nil)
	fmt.width               : 0
	fmt.height              : 0
	fmt.pixelformat         : 0x56595559 [YUYV]
	fmt.field               : ANY
	fmt.bytesperline        : 0
	fmt.sizeimage           : 0
	fmt.colorspace          : unknown
	fmt.priv                : 0

vbi capture
    VIDIOC_ENUM_FMT(0,VBI_CAPTURE)
	index                   : 0
	type                    : VBI_CAPTURE
	flags                   : 0
	description             : "vbi data"
	pixelformat             : 0x59455247 [GREY]
    VIDIOC_G_FMT(VBI_CAPTURE)
	type                    : VBI_CAPTURE
	fmt.vbi.sampling_rate   : 35468950
	fmt.vbi.offset          : 128
	fmt.vbi.samples_per_line: 2048
	fmt.vbi.sample_format   : 0x59455247 [GREY]
	fmt.vbi.start[0]        : 7
	fmt.vbi.start[1]        : 320
	fmt.vbi.count[0]        : 16
	fmt.vbi.count[1]        : 16
	fmt.vbi.flags           : 0

controls
    VIDIOC_QUERYCTRL(BASE+0)
	id                      : 9963776
	type                    : INTEGER
	name                    : "Brightness"
	minimum                 : 0
	maximum                 : 65535
	step                    : 256
	default_value           : 32768
	flags                   : 0
    VIDIOC_QUERYCTRL(BASE+1)
	id                      : 9963777
	type                    : INTEGER
	name                    : "Contrast"
	minimum                 : 0
	maximum                 : 65535
	step                    : 128
	default_value           : 32768
	flags                   : 0
    VIDIOC_QUERYCTRL(BASE+2)
	id                      : 9963778
	type                    : INTEGER
	name                    : "Saturation"
	minimum                 : 0
	maximum                 : 65535
	step                    : 128
	default_value           : 32768
	flags                   : 0
    VIDIOC_QUERYCTRL(BASE+3)
	id                      : 9963779
	type                    : INTEGER
	name                    : "Hue"
	minimum                 : 0
	maximum                 : 65535
	step                    : 256
	default_value           : 32768
	flags                   : 0
    VIDIOC_QUERYCTRL(BASE+9)
	id                      : 9963785
	type                    : BOOLEAN
	name                    : "Mute"
	minimum                 : 0
	maximum                 : 1
	step                    : 0
	default_value           : 0
	flags                   : 0
    VIDIOC_QUERYCTRL(PRIVATE_BASE+0)
	id                      : 134217728
	type                    : BOOLEAN
	name                    : "chroma agc"
	minimum                 : 0
	maximum                 : 1
	step                    : 0
	default_value           : 0
	flags                   : 0
    VIDIOC_QUERYCTRL(PRIVATE_BASE+1)
	id                      : 134217729
	type                    : BOOLEAN
	name                    : "combfilter"
	minimum                 : 0
	maximum                 : 1
	step                    : 0
	default_value           : 0
	flags                   : 0
    VIDIOC_QUERYCTRL(PRIVATE_BASE+2)
	id                      : 134217730
	type                    : BOOLEAN
	name                    : "automute"
	minimum                 : 0
	maximum                 : 1
	step                    : 0
	default_value           : 0
	flags                   : 0
    VIDIOC_QUERYCTRL(PRIVATE_BASE+3)
	id                      : 134217731
	type                    : BOOLEAN
	name                    : "luma decimation filter"
	minimum                 : 0
	maximum                 : 1
	step                    : 0
	default_value           : 0
	flags                   : 0
    VIDIOC_QUERYCTRL(PRIVATE_BASE+4)
	id                      : 134217732
	type                    : BOOLEAN
	name                    : "agc crush"
	minimum                 : 0
	maximum                 : 1
	step                    : 0
	default_value           : 0
	flags                   : 0
    VIDIOC_QUERYCTRL(PRIVATE_BASE+5)
	id                      : 134217733
	type                    : BOOLEAN
	name                    : "vcr hack"
	minimum                 : 0
	maximum                 : 1
	step                    : 0
	default_value           : 0
	flags                   : 0
    VIDIOC_QUERYCTRL(PRIVATE_BASE+6)
	id                      : 134217734
	type                    : INTEGER
	name                    : "whitecrush upper"
	minimum                 : 0
	maximum                 : 255
	step                    : 1
	default_value           : 207
	flags                   : 0
    VIDIOC_QUERYCTRL(PRIVATE_BASE+7)
	id                      : 134217735
	type                    : INTEGER
	name                    : "whitecrush lower"
	minimum                 : 0
	maximum                 : 255
	step                    : 1
	default_value           : 127
	flags                   : 0
    VIDIOC_QUERYCTRL(PRIVATE_BASE+8)
	id                      : 134217736
	type                    : INTEGER
	name                    : "uv ratio"
	minimum                 : 0
	maximum                 : 100
	step                    : 1
	default_value           : 50
	flags                   : 0
    VIDIOC_QUERYCTRL(PRIVATE_BASE+9)
	id                      : 134217737
	type                    : BOOLEAN
	name                    : "full luma range"
	minimum                 : 0
	maximum                 : 1
	step                    : 0
	default_value           : 0
	flags                   : 0
    VIDIOC_QUERYCTRL(PRIVATE_BASE+10)
	id                      : 134217738
	type                    : INTEGER
	name                    : "coring"
	minimum                 : 0
	maximum                 : 3
	step                    : 1
	default_value           : 0
	flags                   : 0

### video4linux device info [/dev/video0] ###
general info
    VIDIOCGCAP
	name                    : "BT878 video (IODATA GV-BCTV5/PC"
	type                    : 0xab [CAPTURE,TUNER,OVERLAY,CLIPPING,SCALES]
	channels                : 3
	audios                  : 1
	maxwidth                : 924
	maxheight               : 576
	minwidth                : 48
	minheight               : 32

channels
    VIDIOCGCHAN(0)
	channel                 : 0
	name                    : "Television"
	tuners                  : 1
	flags                   : 0x3 [TUNER,AUDIO]
	type                    : TV
	norm                    : 0
    VIDIOCGCHAN(1)
	channel                 : 1
	name                    : "Composite1"
	tuners                  : 0
	flags                   : 0x2 [AUDIO]
	type                    : CAMERA
	norm                    : 0
    VIDIOCGCHAN(2)
	channel                 : 2
	name                    : "S-Video"
	tuners                  : 0
	flags                   : 0x2 [AUDIO]
	type                    : CAMERA
	norm                    : 0

tuner
    VIDIOCGTUNER
	tuner                   : 0
	name                    : "Television"
	rangelow                : 0
	rangehigh               : 704
	flags                   : 0x0 []
	mode                    : unknown
	signal                  : 0

audio
    VIDIOCGAUDIO
	audio                   : 0
	volume                  : 0
	bass                    : 0
	treble                  : 0

picture
    VIDIOCGPICT
	brightness              : 32768
	hue                     : 32768
	colour                  : 32768
	contrast                : 32768
	whiteness               : 0
	depth                   : 16
	palette                 : YUV422

buffer
    VIDIOCGFBUF
	base                    : (nil)
	height                  : 0
	width                   : 0
	depth                   : 16
	bytesperline            : 0

window
    VIDIOCGWIN
	x                       : 0
	y                       : 0
	width                   : 320
	height                  : 240
	chromakey               : 0
	flags                   : 0




regards,
	junichi
-- 
dancer@{debian.org,netfort.gr.jp}   Debian Project
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