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
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