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VC1: inline vc1_put_block() in vc1_decode_i_blocks().

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Advantage is that it allows us to combine several loops into a single
one, and these can eventually be merged into the IDCT itself. Also, it
allows us to remove vc1_put_block(), and makes CODEC_FLAG_GRAY faster.
This commit is contained in:
Ronald S. Bultje 2011-02-20 10:46:55 -05:00
parent c8c0189d62
commit bbfd2e7ab4
1 changed files with 13 additions and 35 deletions
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48
libavcodec/vc1dec.c
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@ -187,39 +187,6 @@ static void vc1_loop_filter_iblk(VC1Context *v, int pq)
}
}
/** Put block onto picture
*/
static void vc1_put_block(VC1Context *v, DCTELEM block[6][64])
{
uint8_t *Y;
int ys, us, vs;
DSPContext *dsp = &v->s.dsp;
if(v->rangeredfrm) {
int i, j, k;
for(k = 0; k < 6; k++)
for(j = 0; j < 8; j++)
for(i = 0; i < 8; i++)
block[k][i + j*8] = (block[k][i + j*8] - 64) << 1;
}
ys = v->s.current_picture.linesize[0];
us = v->s.current_picture.linesize[1];
vs = v->s.current_picture.linesize[2];
Y = v->s.dest[0];
dsp->put_pixels_clamped(block[0], Y, ys);
dsp->put_pixels_clamped(block[1], Y + 8, ys);
Y += ys * 8;
dsp->put_pixels_clamped(block[2], Y, ys);
dsp->put_pixels_clamped(block[3], Y + 8, ys);
if(!(v->s.flags & CODEC_FLAG_GRAY)) {
dsp->put_pixels_clamped(block[4], v->s.dest[1], us);
dsp->put_pixels_clamped(block[5], v->s.dest[2], vs);
}
}
/** Do motion compensation over 1 macroblock
* Mostly adapted hpel_motion and qpel_motion from mpegvideo.c
*/
@ -2627,7 +2594,14 @@ static void vc1_decode_i_blocks(VC1Context *v)
s->mb_x = 0;
ff_init_block_index(s);
for(; s->mb_x < s->mb_width; s->mb_x++) {
uint8_t *dst[6];
ff_update_block_index(s);
dst[0] = s->dest[0];
dst[1] = dst[0] + 8;
dst[2] = s->dest[0] + s->linesize * 8;
dst[3] = dst[2] + 8;
dst[4] = s->dest[1];
dst[5] = s->dest[2];
s->dsp.clear_blocks(s->block[0]);
mb_pos = s->mb_x + s->mb_y * s->mb_width;
s->current_picture.mb_type[mb_pos] = MB_TYPE_INTRA;
@ -2651,13 +2625,17 @@ static void vc1_decode_i_blocks(VC1Context *v)
vc1_decode_i_block(v, s->block[k], k, val, (k<4)? v->codingset : v->codingset2);
if (k > 3 && (s->flags & CODEC_FLAG_GRAY)) continue;
v->vc1dsp.vc1_inv_trans_8x8(s->block[k]);
if(v->pq >= 9 && v->overlap) {
for(j = 0; j < 64; j++) s->block[k][j] += 128;
if (v->rangeredfrm) for(j = 0; j < 64; j++) s->block[k][j] <<= 1;
s->dsp.put_signed_pixels_clamped(s->block[k], dst[k], k & 4 ? s->uvlinesize : s->linesize);
} else {
if (v->rangeredfrm) for(j = 0; j < 64; j++) s->block[k][j] = (s->block[k][j] - 64) << 1;
s->dsp.put_pixels_clamped(s->block[k], dst[k], k & 4 ? s->uvlinesize : s->linesize);
}
}
vc1_put_block(v, s->block);
if(v->pq >= 9 && v->overlap) {
if(s->mb_x) {
v->vc1dsp.vc1_h_overlap(s->dest[0], s->linesize);