[FFmpeg-devel] MJPEG encoding

Reimar Döffinger Reimar.Doeffinger
Fri Oct 5 13:41:07 CEST 2007

On Fri, Oct 05, 2007 at 01:26:39PM +0200, Reimar D?ffinger wrote:
> On Wed, Oct 03, 2007 at 03:23:35PM +0200, Trond Hagen wrote:
> [...]
> > We need help to locate the functions that perform DCT and quantization 
> > to replace these with our own functions. Can any of you help us with this?
> See libavcodec/dsputil.c, esp. dsputil_init.
> Search for the words ENABLE_MMX and idct_permutation_type within that
> for the proper way to integrate it.

Sorry, should read properly. DCT is still in mpegvideo.c, DCT_common_init,
see also e.g. MPV_common_init_mmx in i386/mpegvideo_mmx.c for a usage

Reimar D?ffinger

More information about the ffmpeg-devel mailing list