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BBC HD transcode using ffmpeg....what command line please

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anothersname at googlemail

Nov 3, 2008, 5:25 PM

Post #1 of 5 (1633 views)
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BBC HD transcode using ffmpeg....what command line please

Hi All

I want to do some transcoding of the BBC HD stream using ffmpeg and am
getting a problem......

Could anyone who has successfully transcoded thr BBC HD stream (with
an AC 3 sound stream) using either ffmpeg or mencoder please let me
know what command line you used.

With ffmpeg it's borking for me with a 'too many frames' error (I
can't remember the exact error message and the machines elsewhere).

Thanks in advance.

J
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anothersname at googlemail

Nov 4, 2008, 1:01 PM

Post #2 of 5 (1567 views)
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Re: BBC HD transcode using ffmpeg....what command line please [In reply to]

2008/11/4 Another Sillyname <anothersname [at] googlemail>:
> Hi All
>
> I want to do some transcoding of the BBC HD stream using ffmpeg and am
> getting a problem......
>
> Could anyone who has successfully transcoded thr BBC HD stream (with
> an AC 3 sound stream) using either ffmpeg or mencoder please let me
> know what command line you used.
>
> With ffmpeg it's borking for me with a 'too many frames' error (I
> can't remember the exact error message and the machines elsewhere).
>
> Thanks in advance.
>
> J
>

The error message I'm getting is......

number of reference frames exceeds max

then

av_interleaved_write_frame.....error opening file

Any ideas anyone?

TIA
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belcampo at zonnet

Nov 4, 2008, 2:09 PM

Post #3 of 5 (1559 views)
Permalink

Re: BBC HD transcode using ffmpeg....what command line please [In reply to]

Another Sillyname wrote:
> 2008/11/4 Another Sillyname <anothersname [at] googlemail>:
>> Hi All
>>
>> I want to do some transcoding of the BBC HD stream using ffmpeg and am
>> getting a problem......
>>
>> Could anyone who has successfully transcoded thr BBC HD stream (with
>> an AC 3 sound stream) using either ffmpeg or mencoder please let me
>> know what command line you used.
>>
>> With ffmpeg it's borking for me with a 'too many frames' error (I
>> can't remember the exact error message and the machines elsewhere).
>>
>> Thanks in advance.
>>
>> J
>>
>
> The error message I'm getting is......
>
> number of reference frames exceeds max
>
> then
>
> av_interleaved_write_frame.....error opening file
>
> Any ideas anyone?
>
> TIA
> _______________________________________________
> mythtv-users mailing list
> mythtv-users [at] mythtv
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
Maybe the exact command-line with version info of your ffmpeg to
ffmpeg-user [at] mplayerhq will give you more/better info.

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steven at openmedia

Nov 4, 2008, 2:23 PM

Post #4 of 5 (1555 views)
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Re: BBC HD transcode using ffmpeg....what command line please [In reply to]

On 5/11/2008, at 10:01 AM, Another Sillyname wrote:

> 2008/11/4 Another Sillyname <anothersname [at] googlemail>:
>> Hi All
>>
>> I want to do some transcoding of the BBC HD stream using ffmpeg and
>> am
>> getting a problem......
>>
>> Could anyone who has successfully transcoded thr BBC HD stream (with
>> an AC 3 sound stream) using either ffmpeg or mencoder please let me
>> know what command line you used.
>>
>> With ffmpeg it's borking for me with a 'too many frames' error (I
>> can't remember the exact error message and the machines elsewhere).
>>
>> Thanks in advance.
>>
>> J
>>
>
> The error message I'm getting is......
>
> number of reference frames exceeds max
>
> then
>
> av_interleaved_write_frame.....error opening file
>
> Any ideas anyone?
>

Can you provide some details on the build of ffmpeg you are using, and
what distro it is on

A lot of the distro builds are still somewhat behind the current SVN
tree and don't have full support for some of the HD streams.

Steve

Steven Ellis - Technical Director
OpenMedia Limited
email - steven [at] openmedia
website - http://www.openmedia.co.nz

anothersname at googlemail

Nov 4, 2008, 2:30 PM

Post #5 of 5 (1562 views)
Permalink

Re: BBC HD transcode using ffmpeg....what command line please [In reply to]

2008/11/4 Steven Ellis <steven [at] openmedia>:
>
> On 5/11/2008, at 10:01 AM, Another Sillyname wrote:
>
> 2008/11/4 Another Sillyname <anothersname [at] googlemail>:
>
> Hi All
>
> I want to do some transcoding of the BBC HD stream using ffmpeg and am
>
> getting a problem......
>
> Could anyone who has successfully transcoded thr BBC HD stream (with
>
> an AC 3 sound stream) using either ffmpeg or mencoder please let me
>
> know what command line you used.
>
> With ffmpeg it's borking for me with a 'too many frames' error (I
>
> can't remember the exact error message and the machines elsewhere).
>
> Thanks in advance.
>
> J
>
>
> The error message I'm getting is......
>
> number of reference frames exceeds max
>
> then
>
> av_interleaved_write_frame.....error opening file
>
> Any ideas anyone?
>
>
> Can you provide some details on the build of ffmpeg you are using, and what
> distro it is on
> A lot of the distro builds are still somewhat behind the current SVN tree
> and don't have full support for some of the HD streams.
> Steve
> Steven Ellis - Technical Director
> OpenMedia Limited
> email - steven [at] openmedia
> website - http://www.openmedia.co.nz
>
>
> _______________________________________________
> mythtv-users mailing list
> mythtv-users [at] mythtv
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>
>

Hi Steven

SVN-r15760

libavutil 49.12.0
libavcodec 52.1.0
libavformat 52.23.1
libavdevice 52.1.0

on Fed Core 9 Kernel version 2.6.26.3

Any ideas?

J
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