#include "libavutil/fifo.h"
#include "libavutil/internal.h"
#include "libavutil/opt.h"
-#include "libavutil/pixelutils.h"
#include "avfilter.h"
#include "audio.h"
#include "formats.h"
#include "internal.h"
#include "video.h"
+#include "scene_sad.h"
static const char *const var_names[] = {
"TB", ///< timebase
AVExpr *expr;
double var_values[VAR_VARS_NB];
int do_scene_detect; ///< 1 if the expression requires scene detection variables, 0 otherwise
- av_pixelutils_sad_fn sad; ///< Sum of the absolute difference function (scene detect only)
+ ff_scene_sad_fn sad; ///< Sum of the absolute difference function (scene detect only)
double prev_mafd; ///< previous MAFD (scene detect only)
AVFrame *prev_picref; ///< previous frame (scene detect only)
double select;
select->var_values[VAR_SAMPLE_RATE] =
inlink->type == AVMEDIA_TYPE_AUDIO ? inlink->sample_rate : NAN;
- if (select->do_scene_detect) {
- select->sad = av_pixelutils_get_sad_fn(3, 3, 2, select); // 8x8 both sources aligned
+ if (CONFIG_SELECT_FILTER && select->do_scene_detect) {
+ select->sad = ff_scene_sad_get_fn(8);
if (!select->sad)
return AVERROR(EINVAL);
}
if (prev_picref &&
frame->height == prev_picref->height &&
frame->width == prev_picref->width) {
- int x, y, nb_sad = 0;
- int64_t sad = 0;
+ uint64_t sad;
double mafd, diff;
- uint8_t *p1 = frame->data[0];
- uint8_t *p2 = prev_picref->data[0];
- const int p1_linesize = frame->linesize[0];
- const int p2_linesize = prev_picref->linesize[0];
-
- for (y = 0; y < frame->height - 7; y += 8) {
- for (x = 0; x < frame->width*3 - 7; x += 8) {
- sad += select->sad(p1 + x, p1_linesize, p2 + x, p2_linesize);
- nb_sad += 8 * 8;
- }
- p1 += 8 * p1_linesize;
- p2 += 8 * p2_linesize;
- }
+
+ select->sad(prev_picref->data[0], prev_picref->linesize[0], frame->data[0], frame->linesize[0], frame->width * 3, frame->height, &sad);
emms_c();
- mafd = nb_sad ? (double)sad / nb_sad : 0;
+ mafd = (double)sad / (frame->width * 3 * frame->height);
diff = fabs(mafd - select->prev_mafd);
ret = av_clipf(FFMIN(mafd, diff) / 100., 0, 1);
select->prev_mafd = mafd;
}
}
-static int query_formats(AVFilterContext *ctx)
-{
- SelectContext *select = ctx->priv;
-
- if (!select->do_scene_detect) {
- return ff_default_query_formats(ctx);
- } else {
- int ret;
- static const enum AVPixelFormat pix_fmts[] = {
- AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24,
- AV_PIX_FMT_NONE
- };
- AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
-
- if (!fmts_list)
- return AVERROR(ENOMEM);
- ret = ff_set_common_formats(ctx, fmts_list);
- if (ret < 0)
- return ret;
- }
- return 0;
-}
-
#if CONFIG_ASELECT_FILTER
DEFINE_OPTIONS(aselect, AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM);
#if CONFIG_SELECT_FILTER
+static int query_formats(AVFilterContext *ctx)
+{
+ SelectContext *select = ctx->priv;
+
+ if (!select->do_scene_detect) {
+ return ff_default_query_formats(ctx);
+ } else {
+ int ret;
+ static const enum AVPixelFormat pix_fmts[] = {
+ AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24,
+ AV_PIX_FMT_NONE
+ };
+ AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
+
+ if (!fmts_list)
+ return AVERROR(ENOMEM);
+ ret = ff_set_common_formats(ctx, fmts_list);
+ if (ret < 0)
+ return ret;
+ }
+ return 0;
+}
+
DEFINE_OPTIONS(select, AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM);
AVFILTER_DEFINE_CLASS(select);