Author: marco
Date: Sun Sep 9 17:09:01 2007
New Revision: 1322
Log:
use the Deslauriers-Debuc wavelet for intra frames
Modified:
dirac/libavcodec/dirac.c
Modified: dirac/libavcodec/dirac.c
==============================================================================
--- dirac/libavcodec/dirac.c (original)
+++ dirac/libavcodec/dirac.c Sun Sep 9 17:09:01 2007
@@ -1695,7 +1695,11 @@ int dirac_dwt(DiracContext *s, int16_t *
for (level = s->frame_decoding.wavelet_depth; level >= 1; level--) {
width = subband_width(s, level);
height = subband_height(s, level);
+
+ if (s->refs)
dirac_subband_dwt_53(s->avctx, width, height, s->padded_width, coeffs,
level);
+ else
+ dirac_subband_dwt_95(s->avctx, width, height, s->padded_width,
coeffs, level);
}
return 0;
@@ -3654,8 +3658,12 @@ static int dirac_encode_frame(DiracConte
/* Do not override default filter. */
put_bits(pb, 1, 1);
- /* Set the default filter to LeGall. */
+ /* Set the default filter to LeGall for inter frames and
+ Deslauriers-Debuc for intra frames. */
+ if (s->refs)
dirac_set_ue_golomb(pb, 1);
+ else
+ dirac_set_ue_golomb(pb, 0);
/* Do not override the default depth. */
put_bits(pb, 1, 0);
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