[FFmpeg-devel] BFI Demuxer
Tue Apr 1 17:51:08 CEST 2008
On Tuesday 01 April 2008 13:09, Sisir Koppaka wrote:
> > > + /*Improving colour depth */
> > > + for (i = 0; i < vstream->codec->extradata_size; i++)
> > > + ((uint8_t *) vstream->codec->extradata)[i] =
> > > + ((uint8_t *) vstream->codec->extradata)[i] << 2;
> > senseless casts, and the comment makes no sense.
> I've replaced the above comment with this one - is this ok?
> /* Converts the given 6-bit palette values(0-63) to 8-bit values(0-255)
> to improve the contrast. */
What Michael said, plus the conversion is not right. For example:
6-bit max = 0x3f, 8-bit max = 0xff
but with your conversion routine 8-bit max = 0xfc.
v = v<<2 | v>>4
is more accurate.
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