#include "libavutil/opt.h"
#include "avfilter.h"
#include "formats.h"
-#include "framesync.h"
#include "internal.h"
#include "video.h"
-
-typedef struct MaskedMergeContext {
- const AVClass *class;
- int width[4], height[4];
- int nb_planes;
- int planes;
- int max, half, depth;
- FFFrameSync fs;
-
- void (*maskedmerge)(struct MaskedMergeContext *s, const AVFrame *base,
- const AVFrame *overlay, const AVFrame *mask, AVFrame *out);
-} MaskedMergeContext;
+#include "maskedmerge.h"
#define OFFSET(x) offsetof(MaskedMergeContext, x)
#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
if (!out)
return AVERROR(ENOMEM);
} else {
+ int p;
+
out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!out)
return AVERROR(ENOMEM);
av_frame_copy_props(out, base);
- s->maskedmerge(s, base, overlay, mask, out);
+ for (p = 0; p < s->nb_planes; p++) {
+ if (!((1 << p) & s->planes)) {
+ av_image_copy_plane(out->data[p], out->linesize[p], base->data[p], base->linesize[p],
+ s->width[p], s->height[p]);
+ continue;
+ }
+
+ s->maskedmerge(base->data[p], overlay->data[p],
+ mask->data[p], out->data[p],
+ base->linesize[p], overlay->linesize[p],
+ mask->linesize[p], out->linesize[p],
+ s->width[p], s->height[p],
+ s->half, s->depth);
+ }
}
out->pts = av_rescale_q(base->pts, s->fs.time_base, outlink->time_base);
return ff_filter_frame(outlink, out);
}
-static void maskedmerge8(MaskedMergeContext *s, const AVFrame *base,
- const AVFrame *overlay, const AVFrame *mask, AVFrame *out)
+static void maskedmerge8(const uint8_t *bsrc, const uint8_t *osrc,
+ const uint8_t *msrc, uint8_t *dst,
+ ptrdiff_t blinesize, ptrdiff_t olinesize,
+ ptrdiff_t mlinesize, ptrdiff_t dlinesize,
+ int w, int h,
+ int half, int shift)
{
- int p, x, y;
-
- for (p = 0; p < s->nb_planes; p++) {
- const uint8_t *bsrc = base->data[p];
- const uint8_t *osrc = overlay->data[p];
- const uint8_t *msrc = mask->data[p];
- uint8_t *dst = out->data[p];
-
- if (!((1 << p) & s->planes)) {
- av_image_copy_plane(dst, out->linesize[p], bsrc, base->linesize[p],
- s->width[p], s->height[p]);
- continue;
- }
+ int x, y;
- for (y = 0; y < s->height[p]; y++) {
- for (x = 0; x < s->width[p]; x++) {
- dst[x] = ((256 - msrc[x]) * bsrc[x] + msrc[x] * osrc[x] + 128) >> 8;
- }
-
- dst += out->linesize[p];
- bsrc += base->linesize[p];
- osrc += overlay->linesize[p];
- msrc += mask->linesize[p];
+ for (y = 0; y < h; y++) {
+ for (x = 0; x < w; x++) {
+ dst[x] = bsrc[x] + ((msrc[x] * (osrc[x] - bsrc[x]) + 128) >> 8);
}
+
+ dst += dlinesize;
+ bsrc += blinesize;
+ osrc += olinesize;
+ msrc += mlinesize;
}
}
-static void maskedmerge16(MaskedMergeContext *s, const AVFrame *base,
- const AVFrame *overlay, const AVFrame *mask, AVFrame *out)
+static void maskedmerge16(const uint8_t *bbsrc, const uint8_t *oosrc,
+ const uint8_t *mmsrc, uint8_t *ddst,
+ ptrdiff_t blinesize, ptrdiff_t olinesize,
+ ptrdiff_t mlinesize, ptrdiff_t dlinesize,
+ int w, int h,
+ int half, int shift)
{
- const int max = s->max;
- const int half = s->half;
- const int shift = s->depth;
- int p, x, y;
-
- for (p = 0; p < s->nb_planes; p++) {
- const uint16_t *bsrc = (const uint16_t *)base->data[p];
- const uint16_t *osrc = (const uint16_t *)overlay->data[p];
- const uint16_t *msrc = (const uint16_t *)mask->data[p];
- uint16_t *dst = (uint16_t *)out->data[p];
-
- if (!((1 << p) & s->planes)) {
- av_image_copy_plane(out->data[p], out->linesize[p], base->data[p], base->linesize[p],
- s->width[p], s->height[p]);
- continue;
+ const uint16_t *bsrc = (const uint16_t *)bbsrc;
+ const uint16_t *osrc = (const uint16_t *)oosrc;
+ const uint16_t *msrc = (const uint16_t *)mmsrc;
+ uint16_t *dst = (uint16_t *)ddst;
+ int x, y;
+
+ for (y = 0; y < h; y++) {
+ for (x = 0; x < w; x++) {
+ dst[x] = bsrc[x] + ((msrc[x] * (osrc[x] - bsrc[x]) + half) >> shift);
}
- for (y = 0; y < s->height[p]; y++) {
- for (x = 0; x < s->width[p]; x++) {
- dst[x] = ((max - msrc[x]) * bsrc[x] + msrc[x] * osrc[x] + half) >> shift;
- }
-
- dst += out->linesize[p] / 2;
- bsrc += base->linesize[p] / 2;
- osrc += overlay->linesize[p] / 2;
- msrc += mask->linesize[p] / 2;
- }
+ dst += dlinesize / 2;
+ bsrc += blinesize / 2;
+ osrc += olinesize / 2;
+ msrc += mlinesize / 2;
}
}
s->width[0] = s->width[3] = inlink->w;
s->depth = desc->comp[0].depth;
- s->max = 1 << s->depth;
- s->half = s->max / 2;
+ s->half = (1 << s->depth) / 2;
if (desc->comp[0].depth == 8)
s->maskedmerge = maskedmerge8;
else
s->maskedmerge = maskedmerge16;
+ if (ARCH_X86)
+ ff_maskedmerge_init_x86(s);
+
return 0;
}