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ffmpeg.wasm-core
Commit 6c9a9dd2 authored by Paul B Mahol's avatar Paul B Mahol
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avfilter/vf_fade: add support for gbrp/gbrap formats

parent 5dc527f9
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Showing with 44 additions and 5 deletions
libavfilter/vf_fade.c
View file @ 6c9a9dd2
......@@ -56,9 +56,11 @@ typedef struct FadeContext {
int start_frame, nb_frames;
int hsub, vsub, bpp;
unsigned int black_level, black_level_scaled;
uint8_t is_rgb;
uint8_t is_packed_rgb;
uint8_t rgba_map[4];
int alpha;
int is_planar;
uint64_t start_time, duration;
enum {VF_FADE_WAITING=0, VF_FADE_FADING, VF_FADE_DONE} fade_state;
uint8_t color_rgba[4]; ///< fade color
......@@ -107,23 +109,27 @@ static int query_formats(AVFilterContext *ctx)
AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24,
AV_PIX_FMT_ARGB, AV_PIX_FMT_ABGR,
AV_PIX_FMT_RGBA, AV_PIX_FMT_BGRA,
AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP,
AV_PIX_FMT_NONE
};
static const enum AVPixelFormat pix_fmts_rgb[] = {
AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24,
AV_PIX_FMT_ARGB, AV_PIX_FMT_ABGR,
AV_PIX_FMT_RGBA, AV_PIX_FMT_BGRA,
AV_PIX_FMT_GBRP,
AV_PIX_FMT_NONE
};
static const enum AVPixelFormat pix_fmts_alpha[] = {
AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,
AV_PIX_FMT_ARGB, AV_PIX_FMT_ABGR,
AV_PIX_FMT_RGBA, AV_PIX_FMT_BGRA,
AV_PIX_FMT_GBRAP,
AV_PIX_FMT_NONE
};
static const enum AVPixelFormat pix_fmts_rgba[] = {
AV_PIX_FMT_ARGB, AV_PIX_FMT_ABGR,
AV_PIX_FMT_RGBA, AV_PIX_FMT_BGRA,
AV_PIX_FMT_GBRAP,
AV_PIX_FMT_NONE
};
AVFilterFormats *fmts_list;
......@@ -159,11 +165,15 @@ static int config_props(AVFilterLink *inlink)
s->hsub = pixdesc->log2_chroma_w;
s->vsub = pixdesc->log2_chroma_h;
ff_fill_rgba_map(s->rgba_map, inlink->format);
s->bpp = pixdesc->flags & AV_PIX_FMT_FLAG_PLANAR ?
1 :
av_get_bits_per_pixel(pixdesc) >> 3;
s->alpha &= !!(pixdesc->flags & AV_PIX_FMT_FLAG_ALPHA);
s->is_packed_rgb = ff_fill_rgba_map(s->rgba_map, inlink->format) >= 0;
s->is_planar = pixdesc->flags & AV_PIX_FMT_FLAG_PLANAR;
s->is_rgb = pixdesc->flags & AV_PIX_FMT_FLAG_RGB;
s->is_packed_rgb = !s->is_planar && s->is_rgb;
/* use CCIR601/709 black level for studio-level pixel non-alpha components */
s->black_level =
......@@ -199,6 +209,29 @@ static av_always_inline void filter_rgb(FadeContext *s, const AVFrame *frame,
}
}
static av_always_inline void filter_rgb_planar(FadeContext *s, const AVFrame *frame,
int slice_start, int slice_end,
int do_alpha)
{
int i, j;
const uint8_t *c = s->color_rgba;
for (i = slice_start; i < slice_end; i++) {
uint8_t *pg = frame->data[0] + i * frame->linesize[0];
uint8_t *pb = frame->data[1] + i * frame->linesize[1];
uint8_t *pr = frame->data[2] + i * frame->linesize[2];
uint8_t *pa = frame->data[3] + i * frame->linesize[3];
for (j = 0; j < frame->width; j++) {
#define INTERPP(c_name, c_idx) av_clip_uint8(((c[c_idx]<<16) + ((int)c_name - (int)c[c_idx]) * s->factor + (1<<15)) >> 16)
pr[j] = INTERPP(pr[j], 1);
pg[j] = INTERPP(pg[j], 0);
pb[j] = INTERPP(pb[j], 2);
if (do_alpha)
pa[j] = INTERPP(pa[j], 3);
}
}
}
static int filter_slice_rgb(AVFilterContext *ctx, void *arg, int jobnr,
int nb_jobs)
{
......@@ -207,7 +240,11 @@ static int filter_slice_rgb(AVFilterContext *ctx, void *arg, int jobnr,
int slice_start = (frame->height * jobnr ) / nb_jobs;
int slice_end = (frame->height * (jobnr+1)) / nb_jobs;
if (s->alpha) filter_rgb(s, frame, slice_start, slice_end, 1, 4);
if (s->is_planar && s->alpha)
filter_rgb_planar(s, frame, slice_start, slice_end, 1);
else if (s->is_planar)
filter_rgb_planar(s, frame, slice_start, slice_end, 0);
else if (s->alpha) filter_rgb(s, frame, slice_start, slice_end, 1, 4);
else if (s->bpp == 3) filter_rgb(s, frame, slice_start, slice_end, 0, 3);
else if (s->bpp == 4) filter_rgb(s, frame, slice_start, slice_end, 0, 4);
else av_assert0(0);
......@@ -224,8 +261,9 @@ static int filter_slice_luma(AVFilterContext *ctx, void *arg, int jobnr,
int slice_end = (frame->height * (jobnr+1)) / nb_jobs;
int i, j;
for (int k = 0; k < 1 + 2 * (s->is_planar && s->is_rgb); k++) {
for (i = slice_start; i < slice_end; i++) {
uint8_t *p = frame->data[0] + i * frame->linesize[0];
uint8_t *p = frame->data[k] + i * frame->linesize[k];
for (j = 0; j < frame->width * s->bpp; j++) {
/* s->factor is using 16 lower-order bits for decimal
* places. 32768 = 1 << 15, it is an integer representation
......@@ -234,6 +272,7 @@ static int filter_slice_luma(AVFilterContext *ctx, void *arg, int jobnr,
p++;
}
}
}
return 0;
}
......@@ -348,7 +387,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
if (s->alpha) {
ctx->internal->execute(ctx, filter_slice_alpha, frame, NULL,
FFMIN(frame->height, ff_filter_get_nb_threads(ctx)));
} else if (s->is_packed_rgb && !s->black_fade) {
} else if (s->is_rgb && !s->black_fade) {
ctx->internal->execute(ctx, filter_slice_rgb, frame, NULL,
FFMIN(frame->height, ff_filter_get_nb_threads(ctx)));
} else {
......@@ -356,7 +395,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
ctx->internal->execute(ctx, filter_slice_luma, frame, NULL,
FFMIN(frame->height, ff_filter_get_nb_threads(ctx)));
if (frame->data[1] && frame->data[2]) {
if (frame->data[1] && frame->data[2] && !s->is_rgb) {
/* chroma planes */
ctx->internal->execute(ctx, filter_slice_chroma, frame, NULL,
FFMIN(frame->height, ff_filter_get_nb_threads(ctx)));
......
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