[mythtv-users] Transcode UK Terrestrial HD content.‏

Paul Gardiner lists at glidos.net
Mon Jun 4 13:54:17 UTC 2012


On 03/06/2012 09:40, Rob Sones wrote:
>
>
>  > From: nick.rout at gmail.com
>  > To: mythtv-users at mythtv.org
>  > Subject: Re: [mythtv-users] Transcode UK Terrestrial HD content.‏
>  >
>  > On Sun, Jun 3, 2012 at 8:01 PM, Rob Sones <robertasones at hotmail.com>
> wrote:
>  > >
>  > >> >Do myth's transcode tools work at all with h264? I thought not.
>  > >>
>  > >> They do. I've been transcoding BBC HD from freesat for a year or
> two. I
>  > >> can tell from his log that he's attempting to transcode BBC HD from
>  > >> freeview. Its very odd that its failing. I always use fifo mode,
> but I can't
>  > >> see how that would make a difference.
>  > >
>  > > Just so we can do a direct comparison, would you be able to provide
> codec
>  > > information from your recordings please?
>  >
>  >
>  > mediainfo is the best way to do this IMHO.
>
> mediainfo 1050_20120601160000.mpg
> General
> ID : 16516 (0x4084)
> Complete name : 1050_20120601160000.mpg
> Format : MPEG-TS
> File size : 284 MiB
> Duration ; : 4mn 56s
> Overall bit rate mode : Variable
> Overall bit rate : 8 024 Kbps
>
> Video
> ID : 6601 (0x19C9)
> Menu ID : 1 (0x1)
> Format &nb sp; : AVC
> Format/Info : Advanced Video Codec
> Format profile : High at L4.0
> Format settings, CABAC : Yes
> Format settings, ReFrames : 4 frames
> Format settings, GOP : M=8, N=24
> Codec ID : 27
> Duration : 4mn 56s
> Width : 1 920 pixels
> Height : 1 080 pixels
> Display aspect ratio & nbsp; : 16:9
> Frame rate : 25.000 fps
> Color space : YUV
> Chroma subsampling : 4:2:0
> Bit depth : 8 bits
> Scan type : Progressive
> Scan order : Top Field First
> Color primaries : BT.709-5, BT.1361, IEC 61966-2-4, SMPTE RP177
> Transfer characteristics : BT.709-5, BT.1361
> Matrix coefficients : BT.709-5, BT.1361, IEC 61966-2-4 709, SMPTE RP177
>
> Audio #1
> ID ; : 6602 (0x19CA)
> Menu ID : 1 (0x1)
> Format : AAC
> Format/Info : Advanced Audio Codec
> Format profile : LC
> Muxing mode & nbsp; : LATM
> Codec ID : 17
> Duration : 4mn 57s
> Bit rate mode : Variable
> Minimum bit rate : 111 Kbps
> Maximum bit rate & nbsp; : 156 Kbps
> Channel(s) : 2 channels
> Channel positions : Front: L R
> Sampling rate : 48.0 KHz
> Compression mode : Lossy
> Delay relative to video : -1s 380ms< br>Language : English
>
> Audio #2
> ID : 6606 (0x19CE)
> Menu ID : 1 (0x1)
> Format : AAC
> Format/Info &n bsp; : Advanced Audio Codec
> Format profile : HE-AAC / LC
> Muxing mode : LATM
> Codec ID : 17
> Duration : 4mn 56s
> Bit rate mode : Variable
> Minimum bit rate : 34.9 Kbps
> Maximum bit rate : 80.6 Kbps
> Channel(s) : 1 channel
> Channel positions : Front: C
> Sampling rate ; : 48.0 KHz / 24.0 KHz
> Compression mode : Lossy
> Delay relative to video : -1s 136ms
> Language : English
> Language, more info : Visual impaired commentary
>
> Text
> ID &nb sp; : 6605 (0x19CD)
> Menu ID : 1 (0x1)
> Format : DVB Subtitle
> Codec ID : 6
> Duration : 4mn 52s
> Delay relative to video & nbsp; : 4s 494ms
> Language : English

Here's the info of one of my freeview recordings that I've
successfully transcoded with mythtranscode:

General
ID                               : 802
Complete name                    : 
/mythrec/recordings/8940_20120512175800.mpg
Format                           : MPEG-TS
File size                        : 7.60 GiB
Duration                         : 1h 36mn
Overall bit rate                 : 11.2 Mbps

Video
ID                               : 5500 (0x157C)
Menu ID                          : 1 (0x1)
Format                           : AVC
Format/Info                      : Advanced Video Codec
Format profile                   : High at L4.0
Format settings, CABAC           : Yes
Format settings, ReFrames        : 4 frames
Format settings, GOP             : M=1, N=16
Duration                         : 1h 36mn
Bit rate                         : 10.2 Mbps
Width                            : 1 440 pixels
Height                           : 1 080 pixels
Display aspect ratio             : 16:9
Frame rate                       : 25.000 fps
Color space                      : YUV
Chroma subsampling               : 4:2:0
Bit depth                        : 8 bits
Scan type                        : Interlaced
Scan order                       : Top Field First
Bits/(Pixel*Frame)               : 0.263
Stream size                      : 6.91 GiB (91%)
Color primaries                  : BT.709-5, BT.1361, IEC 61966-2-4, 
SMPTE RP177
Transfer characteristics         : BT.709-5, BT.1361
Matrix coefficients              : BT.709-5, BT.1361, IEC 61966-2-4 709, 
SMPTE RP177

Audio #1
ID                               : 5501 (0x157D)
Menu ID                          : 1 (0x1)
Format                           : AC-3
Format/Info                      : Audio Coding 3
Mode extension                   : CM (complete main)
Duration                         : 1h 36mn
Bit rate mode                    : Constant
Bit rate                         : 192 Kbps
Channel(s)                       : 2 channels
Channel positions                : Front: L R
Sampling rate                    : 48.0 KHz
Bit depth                        : 16 bits
Video delay                      : -1s 63ms
Stream size                      : 133 MiB (2%)
Language                         : English

Audio #2
ID                               : 5502 (0x157E)
Menu ID                          : 1 (0x1)
Format                           : MPEG Audio
Format version                   : Version 1
Format profile                   : Layer 2
Duration                         : 1h 36mn
Bit rate mode                    : Constant
Bit rate                         : 256 Kbps
Channel(s)                       : 2 channels
Sampling rate                    : 48.0 KHz
Video delay                      : -1s 45ms
Stream size                      : 178 MiB (2%)
Language                         : nar

Text #1
ID                               : 5503 (0x157F)
Menu ID                          : 1 (0x1)
Format                           : Teletext
Language                         : English

Text #2
ID                               : 5504 (0x1580)
Menu ID                          : 1 (0x1)
Format                           : DVB Subtitles
Language                         : English


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