#include "libavutil/internal.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
-#include "libavutil/pixelutils.h"
#include "avfilter.h"
#include "internal.h"
#include "video.h"
+#include "filters.h"
#include "framerate.h"
+#include "scene_sad.h"
#define OFFSET(x) offsetof(FrameRateContext, x)
#define V AV_OPT_FLAG_VIDEO_PARAM
AVFILTER_DEFINE_CLASS(framerate);
-static av_always_inline int64_t sad_8x8_16(const uint16_t *src1, ptrdiff_t stride1,
- const uint16_t *src2, ptrdiff_t stride2)
-{
- int sum = 0;
- int x, y;
-
- for (y = 0; y < 8; y++) {
- for (x = 0; x < 8; x++)
- sum += FFABS(src1[x] - src2[x]);
- src1 += stride1;
- src2 += stride2;
- }
- return sum;
-}
-
-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 int64_t scene_sad8(FrameRateContext *s, uint8_t *p1, int p1_linesize, uint8_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 += s->sad(p1 + y * p1_linesize + x,
- p1_linesize,
- p2 + y * p2_linesize + x,
- p2_linesize);
- }
- }
- emms_c();
- return sad;
-}
-
static double get_scene_score(AVFilterContext *ctx, AVFrame *crnt, AVFrame *next)
{
FrameRateContext *s = ctx->priv;
if (crnt->height == next->height &&
crnt->width == next->width) {
- int64_t sad;
+ uint64_t sad;
double mafd, diff;
ff_dlog(ctx, "get_scene_score() process\n");
- if (s->bitdepth == 8)
- sad = scene_sad8(s, crnt->data[0], crnt->linesize[0], next->data[0], next->linesize[0], crnt->width, crnt->height);
- else
- sad = scene_sad16(s, (const uint16_t*)crnt->data[0], crnt->linesize[0] / 2, (const uint16_t*)next->data[0], next->linesize[0] / 2, crnt->width, crnt->height);
-
- mafd = (double)sad * 100.0 / FFMAX(1, (crnt->height & ~7) * (crnt->width & ~7)) / (1 << s->bitdepth);
+ s->sad(crnt->data[0], crnt->linesize[0], next->data[0], next->linesize[0], crnt->width, crnt->height, &sad);
+ emms_c();
+ mafd = (double)sad * 100.0 / (crnt->width * crnt->height) / (1 << s->bitdepth);
diff = fabs(mafd - s->prev_mafd);
ret = av_clipf(FFMIN(mafd, diff), 0, 100.0);
s->prev_mafd = mafd;
s->bitdepth = pix_desc->comp[0].depth;
s->vsub = pix_desc->log2_chroma_h;
- s->sad = av_pixelutils_get_sad_fn(3, 3, 2, s); // 8x8 both sources aligned
+ s->sad = ff_scene_sad_get_fn(s->bitdepth == 8 ? 8 : 16);
if (!s->sad)
return AVERROR(EINVAL);
return 0;
}
-static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref)
+static int activate(AVFilterContext *ctx)
{
- int ret;
- AVFilterContext *ctx = inlink->dst;
+ int ret, status;
+ AVFilterLink *inlink = ctx->inputs[0];
+ AVFilterLink *outlink = ctx->outputs[0];
FrameRateContext *s = ctx->priv;
+ AVFrame *inpicref;
int64_t pts;
- if (inpicref->interlaced_frame)
- av_log(ctx, AV_LOG_WARNING, "Interlaced frame found - the output will not be correct.\n");
+ FF_FILTER_FORWARD_STATUS_BACK(outlink, inlink);
- if (inpicref->pts == AV_NOPTS_VALUE) {
- av_log(ctx, AV_LOG_WARNING, "Ignoring frame without PTS.\n");
- return 0;
+retry:
+ ret = process_work_frame(ctx);
+ if (ret < 0)
+ return ret;
+ else if (ret == 1)
+ return ff_filter_frame(outlink, s->work);
+
+ ret = ff_inlink_consume_frame(inlink, &inpicref);
+ if (ret < 0)
+ return ret;
+
+ if (inpicref) {
+ if (inpicref->interlaced_frame)
+ av_log(ctx, AV_LOG_WARNING, "Interlaced frame found - the output will not be correct.\n");
+
+ if (inpicref->pts == AV_NOPTS_VALUE) {
+ av_log(ctx, AV_LOG_WARNING, "Ignoring frame without PTS.\n");
+ av_frame_free(&inpicref);
+ }
}
- pts = av_rescale_q(inpicref->pts, s->srce_time_base, s->dest_time_base);
- if (s->f1 && pts == s->pts1) {
- av_log(ctx, AV_LOG_WARNING, "Ignoring frame with same PTS.\n");
- return 0;
+ if (inpicref) {
+ pts = av_rescale_q(inpicref->pts, s->srce_time_base, s->dest_time_base);
+
+ if (s->f1 && pts == s->pts1) {
+ av_log(ctx, AV_LOG_WARNING, "Ignoring frame with same PTS.\n");
+ av_frame_free(&inpicref);
+ }
}
- av_frame_free(&s->f0);
- s->f0 = s->f1;
- s->pts0 = s->pts1;
- s->f1 = inpicref;
- s->pts1 = pts;
- s->delta = s->pts1 - s->pts0;
- s->score = -1.0;
-
- if (s->delta < 0) {
- av_log(ctx, AV_LOG_WARNING, "PTS discontinuity.\n");
- s->start_pts = s->pts1;
- s->n = 0;
+ if (inpicref) {
av_frame_free(&s->f0);
+ s->f0 = s->f1;
+ s->pts0 = s->pts1;
+ s->f1 = inpicref;
+ s->pts1 = pts;
+ s->delta = s->pts1 - s->pts0;
+ s->score = -1.0;
+
+ if (s->delta < 0) {
+ av_log(ctx, AV_LOG_WARNING, "PTS discontinuity.\n");
+ s->start_pts = s->pts1;
+ s->n = 0;
+ av_frame_free(&s->f0);
+ }
+
+ if (s->start_pts == AV_NOPTS_VALUE)
+ s->start_pts = s->pts1;
+
+ goto retry;
}
- if (s->start_pts == AV_NOPTS_VALUE)
- s->start_pts = s->pts1;
+ if (ff_inlink_acknowledge_status(inlink, &status, &pts)) {
+ if (!s->flush) {
+ s->flush = 1;
+ goto retry;
+ }
+ ff_outlink_set_status(outlink, status, pts);
+ return 0;
+ }
- do {
- ret = process_work_frame(ctx);
- if (ret <= 0)
- return ret;
- ret = ff_filter_frame(ctx->outputs[0], s->work);
- } while (ret >= 0);
+ FF_FILTER_FORWARD_WANTED(outlink, inlink);
- return ret;
+ return FFERROR_NOT_READY;
}
static int config_output(AVFilterLink *outlink)
return 0;
}
-static int request_frame(AVFilterLink *outlink)
-{
- AVFilterContext *ctx = outlink->src;
- FrameRateContext *s = ctx->priv;
- int ret;
-
- ff_dlog(ctx, "request_frame()\n");
-
- ret = ff_request_frame(ctx->inputs[0]);
- if (ret == AVERROR_EOF && s->f1 && !s->flush) {
- s->flush = 1;
- ret = process_work_frame(ctx);
- if (ret < 0)
- return ret;
- ret = ret ? ff_filter_frame(ctx->outputs[0], s->work) : AVERROR_EOF;
- }
-
- ff_dlog(ctx, "request_frame() source's request_frame() returned:%d\n", ret);
- return ret;
-}
-
static const AVFilterPad framerate_inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = config_input,
- .filter_frame = filter_frame,
},
{ NULL }
};
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
- .request_frame = request_frame,
.config_props = config_output,
},
{ NULL }
.inputs = framerate_inputs,
.outputs = framerate_outputs,
.flags = AVFILTER_FLAG_SLICE_THREADS,
+ .activate = activate,
};