i have asked  the question before  but i ve gotnowhere
My blu player philips bdp 2500 will play the avc video but not the audio aac of the mp4 files downloaded with get_iplayer is there anyway I can keep the avc video signal( as any conversion would lead to a drop in picture quality) and convert the aac audio to something else (MP3 etc) and get it to play?
thanks everybody
----- Original Message ----- From: "chris chery" <[email protected]>
To: <[email protected]>
Sent: Tuesday, May 24, 2011 9:29 AM
Subject: playing mp4 files downloaded with getiplayer


hi
i changed the file extension from mp4 to avi
when playing on blu ray player video is ok but i get no sound( unsupported
audio format)
any solutions?
thank you
but i get
----- Original Message ----- From: <[email protected]>
To: <[email protected]>
Sent: Monday, May 23, 2011 6:00 PM
Subject: get_iplayer Digest, Vol 13, Issue 10


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Today's Topics:

  1. RE: ffmpeg output formats. (Rich Jefferies)


----------------------------------------------------------------------

Message: 1
Date: Mon, 23 May 2011 16:55:04 +0100
From: "Rich Jefferies" <[email protected]>
To: <[email protected]>
Subject: RE: ffmpeg output formats.
Message-ID: <008301cc1961$c84d6820$58e83860$@[email protected]>
Content-Type: text/plain; charset="us-ascii"

I have a Sony Blu-Ray player & found the files from get_iplayer work just
fine, if you change the file extension from "mp4" to "avi".
With my xbox360 I had to change the file extension to "mov".

As you say DLNA is whatever the manufacturer decides to implement...

I just do this manually, though it would be nice to work out a way to
automate it..

Rich J.

-----Original Message-----
From: Andy Bircumshaw [mailto:[email protected]]
Sent: 23 May 2011 16:41
To: [email protected]
Subject: Re: ffmpeg output formats.


On 23/5/2011, at 2:30pm, Paul Verrall wrote:
...
I need ffmpeg to output iplayer videos in something other than the
default
mp4.
Basically my Sony blu-ray (DLNA compliant) device will only play
certain types of video over the network.

DNLA is a very dubious "standard", and can mean practically whatever the
manufacturer wants it to mean. There is no assurance that one
DNLA-compliant
device will work with any other specific DNLA-compliant device.

Not sure of the exact
encoding needed, but some hints of command syntax would go a long way
to getting me started.

Well, knowing the exact encoding needed would be a *very* good start.

get_iplayer's .mp4 videos are h264 video & ACC audio. Your blu-ray player
should be able to cope with that, because blu-rays also carry video with
these encodings.

The PS3 is made by the same manufacturer as your player, was released 5
years ago, and has no problem playing get_iplayer .mp4 videos.

You can stream to the PS3 using DNLA and the MediaTomb server, but I do
now
recall mention that Sony's implementation of DNLA there is horrendous.

I have streamed get_iplayer's MP4 videos to the PS3 this way.

If you can put a video on a memory stick or SDcard, or burn it to a CD /
DVD
and play it on your player, then the exact same video should work fine
over
DNLA.

TL;DR: I'd make sure first that this isn't a problem with DNLA, rather
than
the video format.

If you do indeed need to mess with the video encoding, then use
`get_iplayer
--raw` and the ffmpeg documentation [1] [2] [3]. Ask any questions on the
ffmpeg mailing list or elsewhere until you've got a file format you can
play
/ stream to your Sony. Further questions are probably not relevant to this
mailing list, or to get_iplayer, until you have converted the BBC's .flv
file (that you get using "--raw") into a format you can play - only then
we
can tell you about get_iplayer integration.

aB.



[1] http://ffmpeg.org/ffmpeg-doc.html
[2] http://ffmpeg.org/faq.html
[3] http://www.google.com/search?q=ffmpeg+manual







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