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vp3: Factor out expression 

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
This commit is contained in:
Alexander Strange 2011-02-05 00:28:27 -05:00 committed by Ronald S. Bultje
parent 60ff9de6ff
commit e8dcd73058
1 changed files with 5 additions and 4 deletions
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9
libavcodec/vp3.c
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@ -1345,7 +1345,7 @@ static void vp3_draw_horiz_band(Vp3DecodeContext *s, int y)
*/
static void render_slice(Vp3DecodeContext *s, int slice)
{
int x, y, i, j;
int x, y, i, j, fragment;
LOCAL_ALIGNED_16(DCTELEM, block, [64]);
int motion_x = 0xdeadbeef, motion_y = 0xdeadbeef;
int motion_halfpel_index;
@ -1390,8 +1390,9 @@ static void render_slice(Vp3DecodeContext *s, int slice)
for (j = 0; j < 16; j++) {
x = 4*sb_x + hilbert_offset[j][0];
y = 4*sb_y + hilbert_offset[j][1];
fragment = y*fragment_width + x;
i = fragment_start + y*fragment_width + x;
i = fragment_start + fragment;
// bounds check
if (x >= fragment_width || y >= fragment_height)
@ -1415,8 +1416,8 @@ static void render_slice(Vp3DecodeContext *s, int slice)
if ((s->all_fragments[i].coding_method > MODE_INTRA) &&
(s->all_fragments[i].coding_method != MODE_USING_GOLDEN)) {
int src_x, src_y;
motion_x = motion_val[y*fragment_width + x][0];
motion_y = motion_val[y*fragment_width + x][1];
motion_x = motion_val[fragment][0];
motion_y = motion_val[fragment][1];
src_x= (motion_x>>1) + 8*x;
src_y= (motion_y>>1) + 8*y;