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lavfi/hflip: Support Bayer pixel formats. 

Fixes part of ticket #8819.
This commit is contained in:
Carl Eugen Hoyos 2020-07-26 21:58:31 +02:00
parent 3092a53cbc
commit b61376bdee
3 changed files with 5 additions and 1 deletions
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1
libavfilter/hflip.h
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@ -27,6 +27,7 @@
typedef struct FlipContext {
const AVClass *class;
int max_step[4]; ///< max pixel step for each plane, expressed as a number of bytes
int bayer_plus1; ///< 1 .. not a Bayer input format, 2 .. Bayer input format
int planewidth[4]; ///< width of each plane
int planeheight[4]; ///< height of each plane

4
libavfilter/vf_hflip.c
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@ -138,6 +138,7 @@ static int config_props(AVFilterLink *inlink)
s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, hsub);
s->planeheight[0] = s->planeheight[3] = inlink->h;
s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, vsub);
s->bayer_plus1 = !!(pix_desc->flags & AV_PIX_FMT_FLAG_BAYER) + 1;
nb_planes = av_pix_fmt_count_planes(inlink->format);
@ -149,6 +150,7 @@ int ff_hflip_init(FlipContext *s, int step[4], int nb_planes)
int i;
for (i = 0; i < nb_planes; i++) {
step[i] *= s->bayer_plus1;
switch (step[i]) {
case 1: s->flip_line[i] = hflip_byte_c; break;
case 2: s->flip_line[i] = hflip_short_c; break;
@ -180,7 +182,7 @@ static int filter_slice(AVFilterContext *ctx, void *arg, int job, int nb_jobs)
int i, plane, step;
for (plane = 0; plane < 4 && in->data[plane] && in->linesize[plane]; plane++) {
const int width = s->planewidth[plane];
const int width = s->planewidth[plane] / s->bayer_plus1;
const int height = s->planeheight[plane];
const int start = (height * job ) / nb_jobs;
const int end = (height * (job+1)) / nb_jobs;

1
tests/checkasm/vf_hflip.c
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@ -40,6 +40,7 @@ static void check_hflip(int step, const char * report_name){
int i;
int step_array[4] = {1, 1, 1, 1};
FlipContext s;
s.bayer_plus1 = 1;
declare_func(void, const uint8_t *src, uint8_t *dst, int w);