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avfilter/vf_stereo3d: avoid pointless copy

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2013-09-16 10:31:14 +00:00
parent 7283d2bb90
commit fcea6f71ad
1 changed files with 6 additions and 7 deletions
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13
libavfilter/vf_stereo3d.c
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@ -133,7 +133,7 @@ typedef struct Stereo3DContext {
StereoComponent in, out;
int width, height;
int row_step;
int ana_matrix[3][6];
const int *ana_matrix[3];
int nb_planes;
int linesize[4];
int pheight[4];
@ -389,7 +389,9 @@ static int config_output(AVFilterLink *outlink)
case ANAGLYPH_YB_HALF:
case ANAGLYPH_YB_COLOR:
case ANAGLYPH_YB_DUBOIS:
memcpy(s->ana_matrix, ana_coeff[s->out.format], sizeof(s->ana_matrix));
s->ana_matrix[0] = &ana_coeff[s->out.format][0][0];
s->ana_matrix[1] = &ana_coeff[s->out.format][1][0];
s->ana_matrix[2] = &ana_coeff[s->out.format][2][0];
break;
case SIDE_BY_SIDE_2_LR:
aspect.den *= 2;
@ -577,15 +579,12 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref)
case ANAGLYPH_YB_HALF:
case ANAGLYPH_YB_COLOR:
case ANAGLYPH_YB_DUBOIS: {
int i, x, y, il, ir, o;
int x, y, il, ir, o;
uint8_t *lsrc = ileft->data[0];
uint8_t *rsrc = iright->data[0];
uint8_t *dst = out->data[0];
int out_width = s->out.width;
int *ana_matrix[3];
for (i = 0; i < 3; i++)
ana_matrix[i] = s->ana_matrix[i];
const int **ana_matrix = s->ana_matrix;
for (y = 0; y < s->out.height; y++) {
o = out->linesize[0] * y;