Dne 23.12.2010 0:17, Eli Konky napsal(a):
On Wed, Dec 22, 2010 at 9:18 PM, Benjamin Larsson<[email protected]> wrote:
On 12/22/2010 07:53 PM, Jan Pěkník wrote:
Hello,
I need to implement 3GP encoding on embedded ARM based system (with
proprietary OS), after
some research I've decided to try it with ffmpeg. The task is only to
create
.3gp or .mp4 file from input of series of images (raw pixel data) and
audio track (raw 22050hz data also),
no decoding, playback, or any other functionality is needed. Performance
is not an issue, as encoding
will not be performed realtime. The problem is, I probably cannot afford
to build whole ffmpeg and link it,
as there would be too much overhead ( I can probably afford 1MB library
added, but not much more).
Could please someone give me any hints what would be the best approach?
best regards,
jpeknik
Look what configure has to offer with regard to what features you need
to be included in the libs.
MvH
Benjamin Larsson
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FYI, For an android project I'm doing I managed to compile ffmpeg for arm
(neon) with approx what you need and got to 2,558,524.
It includes avutil, avcodec and avformat.
It excludes swscale, which you might need - but it is rather lite.
As mentioned above there are corresponding "configure" flags to enable
disable them but I also carefully removed c files from the make file to
shorten the build process. I'm not sure if it reduced the size of the binary
though.
Could you please send configure flags you've used? It would be very
helpful, I'm a bit lost especially on target cpu and whether
to specify --host an use cross compiling, as I'm planning to compile it
with WinARM cross compiler
thath should automatically produce arm libs/binaries. My target is arm9
CPUs and better.
thanks
Jan
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