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vf_phase: Reduce the scope of several variables

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Reviewed-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Timothy Gu
2016-01-30 10:00:19 -08:00
parent 4ab4793c15
commit 014e4e4499
1 changed files with 10 additions and 8 deletions
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18
libavfilter/vf_phase.c
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@@ -116,14 +116,7 @@ static int config_input(AVFilterLink *inlink)
*/ */
static enum PhaseMode analyze_plane(void *ctx, enum PhaseMode mode, AVFrame *old, AVFrame *new) static enum PhaseMode analyze_plane(void *ctx, enum PhaseMode mode, AVFrame *old, AVFrame *new)
{ {
double bdiff, tdiff, pdiff, scale; double bdiff, tdiff, pdiff;
const int ns = new->linesize[0];
const int os = old->linesize[0];
const uint8_t *nptr = new->data[0];
const uint8_t *optr = old->data[0];
const int h = new->height;
const int w = new->width;
int bdif, tdif, pdif;
if (mode == AUTO) { if (mode == AUTO) {
mode = new->interlaced_frame ? new->top_field_first ? mode = new->interlaced_frame ? new->top_field_first ?
@@ -136,6 +129,15 @@ static enum PhaseMode analyze_plane(void *ctx, enum PhaseMode mode, AVFrame *old
if (mode <= BOTTOM_FIRST) { if (mode <= BOTTOM_FIRST) {
bdiff = pdiff = tdiff = 65536.0; bdiff = pdiff = tdiff = 65536.0;
} else { } else {
const int ns = new->linesize[0];
const int os = old->linesize[0];
const uint8_t *nptr = new->data[0];
const uint8_t *optr = old->data[0];
const int h = new->height;
const int w = new->width;
int bdif, tdif, pdif;
double scale;
int top = 0, t; int top = 0, t;
const uint8_t *rend, *end = nptr + (h - 2) * ns; const uint8_t *rend, *end = nptr + (h - 2) * ns;