diff options
| author | Ronald S. Bultje <rsbultje@gmail.com> | 2013-03-09 09:08:36 -0800 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-03-10 02:51:05 +0100 |
| commit | d5efa84f13d349e1bd852c94fcd171f3488dee0c (patch) | |
| tree | 27f5638861bf000609c9e35f8bf0019a6d4615e4 /libavcodec/vp3.c | |
| parent | 96e4b00d62ac12bf16f40d00c1b36670503231a5 (diff) | |
vp3: embed idct_permutation array directly in VP3DecoderContext.
This makes the vp3 decoder less dependent on dsputil, and will aid
in making it (eventually) dsputil-independent.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/vp3.c')
| -rw-r--r-- | libavcodec/vp3.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/libavcodec/vp3.c b/libavcodec/vp3.c index 00a77e9e78..686683d56d 100644 --- a/libavcodec/vp3.c +++ b/libavcodec/vp3.c @@ -139,6 +139,7 @@ typedef struct Vp3DecodeContext { AVFrame last_frame; AVFrame current_frame; int keyframe; + uint8_t idct_permutation[64]; DSPContext dsp; VideoDSPContext vdsp; VP3DSPContext vp3dsp; @@ -384,7 +385,7 @@ static void init_dequantizer(Vp3DecodeContext *s, int qpi) int qmin= 8<<(inter + !i); int qscale= i ? ac_scale_factor : dc_scale_factor; - s->qmat[qpi][inter][plane][s->dsp.idct_permutation[i]]= av_clip((qscale * coeff)/100 * 4, qmin, 4096); + s->qmat[qpi][inter][plane][s->idct_permutation[i]]= av_clip((qscale * coeff)/100 * 4, qmin, 4096); } // all DC coefficients use the same quant so as not to interfere with DC prediction s->qmat[qpi][inter][plane][0] = s->qmat[0][inter][plane][0]; @@ -1680,8 +1681,8 @@ static av_cold int vp3_decode_init(AVCodecContext *avctx) ff_videodsp_init(&s->vdsp, 8); ff_vp3dsp_init(&s->vp3dsp, avctx->flags); - ff_init_scantable_permutation(s->dsp.idct_permutation, s->vp3dsp.idct_perm); - ff_init_scantable(s->dsp.idct_permutation, &s->scantable, ff_zigzag_direct); + ff_init_scantable_permutation(s->idct_permutation, s->vp3dsp.idct_perm); + ff_init_scantable(s->idct_permutation, &s->scantable, ff_zigzag_direct); /* initialize to an impossible value which will force a recalculation * in the first frame decode */ @@ -1886,7 +1887,7 @@ static int vp3_update_thread_context(AVCodecContext *dst, const AVCodecContext * } // copy previous frame data - copy_fields(s, s1, golden_frame, dsp); + copy_fields(s, s1, golden_frame, idct_permutation); // copy qscale data if necessary for (i = 0; i < 3; i++) { |