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avfilter/vf_vectorscope: constify more variables 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2015-09-02 09:11:52 +00:00
parent 1c88ef0c99
commit 7820197d2c
1 changed files with 8 additions and 7 deletions
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15
libavfilter/vf_vectorscope.c
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@ -186,7 +186,7 @@ static int config_input(AVFilterLink *inlink)
static int config_output(AVFilterLink *outlink)
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(outlink->format);
int depth = desc->comp[0].depth_minus1 + 1;
const int depth = desc->comp[0].depth_minus1 + 1;
outlink->h = outlink->w = 1 << depth;
outlink->sample_aspect_ratio = (AVRational){1,1};
@ -201,9 +201,9 @@ static void envelope_instant(VectorscopeContext *s, AVFrame *out)
for (i = 0; i < out->height; i++) {
for (j = 0; j < out->width; j++) {
int pos = i * dlinesize + j;
int poa = (i - 1) * dlinesize + j;
int pob = (i + 1) * dlinesize + j;
const int pos = i * dlinesize + j;
const int poa = (i - 1) * dlinesize + j;
const int pob = (i + 1) * dlinesize + j;
if (dpd[pos] && (((!j || !dpd[pos - 1]) || ((j == (out->width - 1)) || !dpd[pos + 1]))
|| ((!i || !dpd[poa]) || ((i == (out->height - 1)) || !dpd[pob])))) {
@ -221,7 +221,7 @@ static void envelope_peak(VectorscopeContext *s, AVFrame *out)
for (i = 0; i < out->height; i++) {
for (j = 0; j < out->width; j++) {
int pos = i * dlinesize + j;
const int pos = i * dlinesize + j;
if (dpd[pos])
s->peak[i][j] = 255;
@ -233,7 +233,7 @@ static void envelope_peak(VectorscopeContext *s, AVFrame *out)
for (i = 0; i < out->height; i++) {
for (j = 0; j < out->width; j++) {
int pos = i * dlinesize + j;
const int pos = i * dlinesize + j;
if (s->peak[i][j] && (((!j || !s->peak[i][j-1]) || ((j == (out->width - 1)) || !s->peak[i][j + 1]))
|| ((!i || !s->peak[i-1][j]) || ((i == (out->height - 1)) || !s->peak[i + 1][j])))) {
@ -262,7 +262,7 @@ static void vectorscope(VectorscopeContext *s, AVFrame *in, AVFrame *out, int pd
const int slinesized = in->linesize[pd];
const int dlinesize = out->linesize[0];
const int intensity = s->intensity;
int i, j, px = s->x, py = s->y;
const int px = s->x, py = s->y;
const int h = s->planeheight[py];
const int w = s->planewidth[px];
const uint8_t *spx = src[px];
@ -274,6 +274,7 @@ static void vectorscope(VectorscopeContext *s, AVFrame *in, AVFrame *out, int pd
uint8_t *dpx = dst[px];
uint8_t *dpy = dst[py];
uint8_t *dpd = dst[pd];
int i, j;
switch (s->mode) {
case COLOR: