static int64_t scene_sad16(FrameRateContext *s, const uint16_t *p1, int p1_linesize, const uint16_t* p2, int p2_linesize, const int width, const int height)
{
int64_t sad;
int x, y;
for (sad = y = 0; y < height - 7; y += 8) {
for (x = 0; x < width - 7; x += 8) {
sad += sad_8x8_16(p1 + y * p1_linesize + x,
p1_linesize,
p2 + y * p2_linesize + x,
p2_linesize);
}
}
return sad;
}
static double get_scene_score16(AVFilterContext *ctx, AVFrame *crnt, AVFrame *next)
{
FrameRateContext *s = ctx->priv;
double ret = 0;
ff_dlog(ctx, "get_scene_score16()\n");
if (crnt &&
crnt->height == next->height &&
crnt->width == next->width) {
int x, y;
int64_t sad;
double mafd, diff;
const uint16_t *p1 = (const uint16_t *)crnt->data[0];
const uint16_t *p2 = (const uint16_t *)next->data[0];
const int p1_linesize = crnt->linesize[0] / 2;
const int p2_linesize = next->linesize[0] / 2;
ff_dlog(ctx, "get_scene_score16() process\n");
for (sad = y = 0; y < crnt->height; y += 8) {
for (x = 0; x < p1_linesize; x += 8) {
sad += sad_8x8_16(p1 + y * p1_linesize + x,
p1_linesize,
p2 + y * p2_linesize + x,
p2_linesize);
}
}
mafd = sad / (crnt->height * crnt->width * 3);
diff = fabs(mafd - s->prev_mafd);
ret = av_clipf(FFMIN(mafd, diff), 0, 100.0);
s->prev_mafd = mafd;
}
ff_dlog(ctx, "get_scene_score16() result is:%f\n", ret);
return ret;
}