[FFmpeg-user] The device does not support the streaming I/O method.
Thomas Seilund
tps at netmaster.dk
Sun Jan 25 02:09:12 CET 2015
Moritz Barsnick writes:
> On Sat, Jan 24, 2015 at 12:23:26 +0100, Thomas Seilund wrote:
>> If I supply input format then I get this error message
>>
>> tps at t420:~/AMC/test$ ffmpeg -f v4l2 -list_formats all -f mpegts -i /dev/video1
>> ffmpeg version N-69238-g2699a37 Copyright (c) 2000-2015 the FFmpeg
>> developers
>> built on Jan 24 2015 11:51:09 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
>> configuration: --enable-gpl --enable-libmp3lame --enable-libvpx --enable-
>> libx264 --enable-version3 --enable-libvorbis --enable-x11grab --enable-
>> libfreetype --enable-libv4l2 --enable-libfdk-aac --enable-nonfree
>> libavutil 54. 17.100 / 54. 17.100
>> libavcodec 56. 20.100 / 56. 20.100
>> libavformat 56. 19.100 / 56. 19.100
>> libavdevice 56. 4.100 / 56. 4.100
>> libavfilter 5. 8.101 / 5. 8.101
>> libswscale 3. 1.101 / 3. 1.101
>> libswresample 1. 1.100 / 1. 1.100
>> libpostproc 53. 3.100 / 53. 3.100
>> Option list_formats not found.
>
> You can't supply two input formats "-f" to one input. ffmpeg is using
> the second one.
>
>> tps at t420:~/AMC/test$ v4l2-ctl --device=/dev/video1 --list-formats-ext
>> ioctl: VIDIOC_ENUM_FMT
>> Index : 0
>> Type : Video Capture
>> Pixel Format: 'MPEG' (compressed)
>> Name : MPEG2-TS with AVC/AAC streams
>
> Can you dump the capabilities of the device? (I use v4l-info for that.)
> IIUC it needs to have the capabilities VIDEO_CAPTURE and STREAMING to
> be supported by ffmpeg. (I don't know anything about Linux's hdpvr
> device driver.)
>
>> Venlig hilsen
>
> Mvh,
> Moritz
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Hi Moritz
I did not know about the program v4l-info
Here comes the output:
### v4l2 device info [/dev/video1] ###
general info
VIDIOC_QUERYCAP
driver : "hdpvr"
card : "Hauppauge HD PVR"
bus_info : "usb-0000:00:1a.0-1.1"
version : 3.13.11
capabilities : 0x81020001 [VIDEO_CAPTURE,AUDIO,READWRITE,(null)]
standards
VIDIOC_ENUMSTD(0)
index : 0
id : 0xb000 [NTSC_M,NTSC_M_JP,?]
name : "NTSC"
frameperiod.numerator : 1001
frameperiod.denominator : 30000
framelines : 525
VIDIOC_ENUMSTD(1)
index : 1
id : 0x1000 [NTSC_M]
name : "NTSC-M"
frameperiod.numerator : 1001
frameperiod.denominator : 30000
framelines : 525
VIDIOC_ENUMSTD(2)
index : 2
id : 0x2000 [NTSC_M_JP]
name : "NTSC-M-JP"
frameperiod.numerator : 1001
frameperiod.denominator : 30000
framelines : 525
VIDIOC_ENUMSTD(3)
index : 3
id : 0x8000 [?]
name : "NTSC-M-KR"
frameperiod.numerator : 1001
frameperiod.denominator : 30000
framelines : 525
VIDIOC_ENUMSTD(4)
index : 4
id : 0x4000 [?]
name : "NTSC-443"
frameperiod.numerator : 1001
frameperiod.denominator : 30000
framelines : 525
VIDIOC_ENUMSTD(5)
index : 5
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(6)
index : 6
id : 0x7 [PAL_B,PAL_B1,PAL_G]
name : "PAL-BG"
frameperiod.numerator : 1
frameperiod.denominator : 25
framelines : 625
VIDIOC_ENUMSTD(7)
index : 7
id : 0x8 [PAL_H]
name : "PAL-H"
frameperiod.numerator : 1
frameperiod.denominator : 25
framelines : 625
VIDIOC_ENUMSTD(8)
index : 8
id : 0x10 [PAL_I]
name : "PAL-I"
frameperiod.numerator : 1
frameperiod.denominator : 25
framelines : 625
VIDIOC_ENUMSTD(9)
index : 9
id : 0xe0 [PAL_D,PAL_D1,PAL_K]
name : "PAL-DK"
frameperiod.numerator : 1
frameperiod.denominator : 25
framelines : 625
VIDIOC_ENUMSTD(10)
index : 10
id : 0x100 [PAL_M]
name : "PAL-M"
frameperiod.numerator : 1001
frameperiod.denominator : 30000
framelines : 525
VIDIOC_ENUMSTD(11)
index : 11
id : 0x200 [PAL_N]
name : "PAL-N"
frameperiod.numerator : 1
frameperiod.denominator : 25
framelines : 625
VIDIOC_ENUMSTD(12)
index : 12
id : 0x400 [PAL_Nc]
name : "PAL-Nc"
frameperiod.numerator : 1
frameperiod.denominator : 25
framelines : 625
VIDIOC_ENUMSTD(13)
index : 13
id : 0x800 [PAL_60]
name : "PAL-60"
frameperiod.numerator : 1001
frameperiod.denominator : 30000
framelines : 525
VIDIOC_ENUMSTD(14)
index : 14
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(15)
index : 15
id : 0x10000 [SECAM_B]
name : "SECAM-B"
frameperiod.numerator : 1
frameperiod.denominator : 25
framelines : 625
VIDIOC_ENUMSTD(16)
index : 16
id : 0x40000 [SECAM_G]
name : "SECAM-G"
frameperiod.numerator : 1
frameperiod.denominator : 25
framelines : 625
VIDIOC_ENUMSTD(17)
index : 17
id : 0x80000 [SECAM_H]
name : "SECAM-H"
frameperiod.numerator : 1
frameperiod.denominator : 25
framelines : 625
VIDIOC_ENUMSTD(18)
index : 18
id : 0x320000 [SECAM_D,SECAM_K,SECAM_K1]
name : "SECAM-DK"
frameperiod.numerator : 1
frameperiod.denominator : 25
framelines : 625
VIDIOC_ENUMSTD(19)
index : 19
id : 0x400000 [SECAM_L]
name : "SECAM-L"
frameperiod.numerator : 1
frameperiod.denominator : 25
framelines : 625
VIDIOC_ENUMSTD(20)
index : 20
id : 0x800000 [?ATSC_8_VSB]
name : "SECAM-Lc"
frameperiod.numerator : 1
frameperiod.denominator : 25
framelines : 625
inputs
VIDIOC_ENUMINPUT(0)
index : 0
name : "Component"
type : CAMERA
audioset : 7
tuner : 0
std : 0x0 []
status : 0x0 []
VIDIOC_ENUMINPUT(1)
index : 1
name : "S-Video"
type : CAMERA
audioset : 7
tuner : 0
std : 0xffffff
[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 : "Composite"
type : CAMERA
audioset : 7
tuner : 0
std : 0xffffff
[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 []
video capture
VIDIOC_ENUM_FMT(0,VIDEO_CAPTURE)
index : 0
type : VIDEO_CAPTURE
flags : 1
description : "MPEG2-TS with AVC/AAC streams"
pixelformat : 0x4745504d [MPEG]
VIDIOC_G_FMT(VIDEO_CAPTURE)
type : VIDEO_CAPTURE
fmt.pix.width : 1280
fmt.pix.height : 720
fmt.pix.pixelformat : 0x4745504d [MPEG]
fmt.pix.field : NONE
fmt.pix.bytesperline : 0
fmt.pix.sizeimage : 8192
fmt.pix.colorspace : SMPTE240M
fmt.pix.priv : 0
controls
VIDIOC_QUERYCTRL(BASE+0)
id : 9963776
type : INTEGER
name : "Brightness"
minimum : 0
maximum : 255
step : 1
default_value : 128
flags : 32
VIDIOC_QUERYCTRL(BASE+1)
id : 9963777
type : INTEGER
name : "Contrast"
minimum : 0
maximum : 255
step : 1
default_value : 64
flags : 32
VIDIOC_QUERYCTRL(BASE+2)
id : 9963778
type : INTEGER
name : "Saturation"
minimum : 0
maximum : 255
step : 1
default_value : 64
flags : 32
VIDIOC_QUERYCTRL(BASE+3)
id : 9963779
type : INTEGER
name : "Hue"
minimum : 0
maximum : 30
step : 1
default_value : 15
flags : 32
VIDIOC_QUERYCTRL(BASE+27)
id : 9963803
type : INTEGER
name : "Sharpness"
minimum : 0
maximum : 255
step : 1
default_value : 128
flags : 32
Thanks
Thomas S
--
Venlig hilsen
Thomas Seilund
Løkketoften 46
2625 Vallensbæk
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