[mythtv-users] Missing E-AC3 audio in DVB-T channel
Diego Rodriguez Gonzalez
gran.diego at gmail.com
Wed Jan 16 18:20:23 UTC 2013
2013/1/16 Diego Rodriguez Gonzalez <gran.diego at gmail.com>
>
>
> 2013/1/16 Karl Dietz <dekarl at spaetfruehstuecken.org>
>
>> On 16.01.2013 12:33, Diego Rodriguez Gonzalez wrote:
>>
>> Anyone knows if's it a problem with my DVB-T tuner (hardware not being
>>> able to receive E-AC3 audio), Video4linux modules in kernel (dib0700,
>>> dvb-usb...) or mythtv's fault?
>>>
>>
>> can you post the backend log with -v RECORD ?
>>
>> The part from start up to and including "CreatePMTSingleProgram" and
>> "Opening filter for pid" might be a good start.
>>
>> Regards,
>> Karl
>>
>>
> While I figure out how to launch backend with -v RECORD I'm sending all
> the other stuff you asked for
>
> $ mythffmpeg -codecs | grep ac3
> ffmpeg version 0.10.2.git Copyright (c) 2000-2012 the FFmpeg developers
> built on Jan 16 2013 01:04:37 with gcc 4.7.2
> configuration: --compile-type=profile --prefix=/usr --runprefix=/usr
> --enable-crystalhd --enable-lirc --enable-audio-alsa --enable-audio-oss
> --enable-dvb --enable-ivtv --enable-firewire --enable-joystick-menu
> --with-bindings=perl --enable-ffmpeg-pthreads --enable-pic --enable-vaapi
> --perl-config-opts='INSTALLDIRS=vendor' --enable-libvpx --enable-sdl
> --enable-libmp3lame --enable-libx264 --enable-opengl-video --enable-vdpau
> libavutil 51. 56.100 / 51. 56.100
> libavcodec 54. 23.100 / 54. 23.100
> libavformat 54. 6.101 / 54. 6.101
> libavdevice 54. 0.100 / 54. 0.100
> libavfilter 2. 77.100 / 2. 77.100
> libswscale 2. 1.100 / 2. 1.100
> libswresample 0. 15.100 / 0. 15.100
> libpostproc 52. 0.100 / 52. 0.100
> DEA D ac3 ATSC A/52A (AC-3)
> EA ac3_fixed ATSC A/52A (AC-3)
> D A D atrac3 Atrac 3 (Adaptive TRansform Acoustic Coding 3)
> DEA D eac3 ATSC A/52 E-AC-3
>
> So the codec is there.
>
> I've just recorded a small sample and fed it to mythffmeg
>
> mythffmpeg -i 42001_20130116162000.mpgffmpeg version 0.10.2.git Copyright
> (c) 2000-2012 the FFmpeg developers
> built on Jan 16 2013 01:04:37 with gcc 4.7.2
> configuration: --compile-type=profile --prefix=/usr --runprefix=/usr
> --enable-crystalhd --enable-lirc --enable-audio-alsa --enable-audio-oss
> --enable-dvb --enable-ivtv --enable-firewire --enable-joystick-menu
> --with-bindings=perl --enable-ffmpeg-pthreads --enable-pic --enable-vaapi
> --perl-config-opts='INSTALLDIRS=vendor' --enable-libvpx --enable-sdl
> --enable-libmp3lame --enable-libx264 --enable-opengl-video --enable-vdpau
> libavutil 51. 56.100 / 51. 56.100
> libavcodec 54. 23.100 / 54. 23.100
> libavformat 54. 6.101 / 54. 6.101
> libavdevice 54. 0.100 / 54. 0.100
> libavfilter 2. 77.100 / 2. 77.100
> libswscale 2. 1.100 / 2. 1.100
> libswresample 0. 15.100 / 0. 15.100
> libpostproc 52. 0.100 / 52. 0.100
> [dvbsub @ 0x1718860] Invalid extradata, subtitle streams may be combined!
> [h264 @ 0x1717f00] non-existing SPS 0 referenced in buffering period
> [h264 @ 0x1717f00] non-existing PPS referenced
> [h264 @ 0x1717f00] non-existing SPS 0 referenced in buffering period
> [h264 @ 0x1717f00] non-existing PPS 0 referenced
> [h264 @ 0x1717f00] decode_slice_header error
> [h264 @ 0x1717f00] no frame!
>
[ last 6 lines repeated many times]
[h264 @ 0x1717f00] no frame!
> [mpegts @ 0x1715100] Stream #1: not enough frames to estimate rate;
> consider increasing probesize
> [NULL @ 0x1718860] start time is not set in estimate_timings_from_pts
> Input #0, mpegts, from '42001_20130116162000.mpg':
> Duration: 00:00:24.44, start: 80900.593611, bitrate: 9057 kb/s
> Stream #0:0[0x3e9]: Video: h264 (High), yuv420p, 1280x720 [SAR 1:1 DAR
> 16:9], 61.98 fps, 50 tbr, 90k tbn, 100 tbc
> Stream #0:1[0x3f3](spa): Subtitle: dvb_subtitle
> At least one output file must be specified
>
>
> mediainfo says:
>
> $mediainfo 42001_20130116162000.mpg
> General
> ID : 40000 (0x9C40)
> Complete name : 42001_20130116162000.mpg
> Format : MPEG-TS
> File size : 26.4 MiB
> Duration : 24s 402ms
> Overall bit rate : 9 062 Kbps
>
> Video
> ID : 1001 (0x3E9)
> Menu ID : 1 (0x1)
> Format : AVC
> Format/Info : Advanced Video Codec
> Format version : Version 2
> Format profile : High at L4.0
> Format settings, CABAC : Yes
> Format settings, ReFrames : 6 frames
> Format settings, GOP : M=4, N=48
> Codec ID : 27
> Duration : 23s 460ms
> Bit rate : 8 614 Kbps
> Maximum bit rate : 10.0 Mbps
> Width : 1 280 pixels
> Height : 720 pixels
> Display aspect ratio : 16:9
> Frame rate : 50.000 fps
> Color space : YUV
> Chroma subsampling : 4:2:0
> Bit depth : 8 bits
> Scan type : Progressive
> Bits/(Pixel*Frame) : 0.187
> Stream size : 24.1 MiB (91%)
> Color primaries : BT.709
> Transfer characteristics : BT.709
> Matrix coefficients : BT.709
>
> Text
> ID : 1011 (0x3F3)
> Menu ID : 1 (0x1)
> Format : DVB Subtitle
> Codec ID : 6
> Duration : 3s 960ms
> Delay relative to video : 20s 540ms
> Language : Spanish
>
> Menu
> ID : 1000 (0x3E8)
> Menu ID : 1 (0x1)
> Duration : 24s 402ms
> List : 1001 (0x3E9) (AVC) / 1011
> (0x3F3) (DVB Subtitle, Spanish)
> Language : / Spanish
> Maximum bit rate : 10658400
>
>
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