AVFrame *srce[N_SRCE]; ///< buffered source frames
int64_t srce_pts_dest[N_SRCE]; ///< pts for source frames scaled to output timebase
+ double srce_score[N_SRCE]; ///< scene change score compared to the next srce frame
int64_t pts; ///< pts of frame we are working on
- int (*blend_frames)(AVFilterContext *ctx, float interpolate,
- AVFrame *copy_src1, AVFrame *copy_src2);
int max;
int bitdepth;
AVFrame *work;
{"interp_start", "point to start linear interpolation", OFFSET(interp_start), AV_OPT_TYPE_INT, {.i64=15}, 0, 255, V|F },
{"interp_end", "point to end linear interpolation", OFFSET(interp_end), AV_OPT_TYPE_INT, {.i64=240}, 0, 255, V|F },
- {"scene", "scene change level", OFFSET(scene_score), AV_OPT_TYPE_DOUBLE, {.dbl=7.0}, 0, INT_MAX, V|F },
+ {"scene", "scene change level", OFFSET(scene_score), AV_OPT_TYPE_DOUBLE, {.dbl=8.2}, 0, INT_MAX, V|F },
{"flags", "set flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64=1}, 0, INT_MAX, V|F, "flags" },
{"scene_change_detect", "enable scene change detection", 0, AV_OPT_TYPE_CONST, {.i64=FRAMERATE_FLAG_SCD}, INT_MIN, INT_MAX, V|F, "flags" },
for (i = s->last; i > s->frst; i--) {
ff_dlog(ctx, "next_source() copy %d to %d\n", i - 1, i);
s->srce[i] = s->srce[i - 1];
+ s->srce_score[i] = s->srce_score[i - 1];
}
ff_dlog(ctx, "next_source() make %d null\n", s->frst);
s->srce[s->frst] = NULL;
+ s->srce_score[s->frst] = -1.0;
}
static av_always_inline int64_t sad_8x8_16(const uint16_t *src1, ptrdiff_t stride1,
return sum;
}
-static double get_scene_score16(AVFilterContext *ctx, AVFrame *crnt, AVFrame *next)
+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)
{
- FrameRateContext *s = ctx->priv;
- double ret = 0;
-
- ff_dlog(ctx, "get_scene_score16()\n");
+ 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;
+}
- 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);
- }
+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);
}
- 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;
+ emms_c();
+ return sad;
}
static double get_scene_score(AVFilterContext *ctx, AVFrame *crnt, AVFrame *next)
ff_dlog(ctx, "get_scene_score()\n");
- if (crnt &&
- crnt->height == next->height &&
+ if (crnt->height == next->height &&
crnt->width == next->width) {
- int x, y;
int64_t sad;
double mafd, diff;
- uint8_t *p1 = crnt->data[0];
- uint8_t *p2 = next->data[0];
- const int p1_linesize = crnt->linesize[0];
- const int p2_linesize = next->linesize[0];
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);
- for (sad = y = 0; y < crnt->height; y += 8) {
- for (x = 0; x < p1_linesize; x += 8) {
- sad += s->sad(p1 + y * p1_linesize + x,
- p1_linesize,
- p2 + y * p2_linesize + x,
- p2_linesize);
- }
- }
- emms_c();
- mafd = sad / (crnt->height * crnt->width * 3);
+ mafd = (double)sad * 100.0 / FFMAX(1, (crnt->height & ~7) * (crnt->width & ~7)) / (1 << s->bitdepth);
diff = fabs(mafd - s->prev_mafd);
ret = av_clipf(FFMIN(mafd, diff), 0, 100.0);
s->prev_mafd = mafd;
}
- ff_dlog(ctx, "get_scene_score() result is:%f\n", ret);
+ ff_dlog(ctx, "get_scene_score() result is:%f\n", ret);
return ret;
}
-static int blend_frames16(AVFilterContext *ctx, float interpolate,
- AVFrame *copy_src1, AVFrame *copy_src2)
+typedef struct ThreadData {
+ AVFrame *copy_src1, *copy_src2;
+ uint16_t src1_factor, src2_factor;
+} ThreadData;
+
+static int filter_slice8(AVFilterContext *ctx, void *arg, int job, int nb_jobs)
{
FrameRateContext *s = ctx->priv;
- AVFilterLink *outlink = ctx->outputs[0];
- double interpolate_scene_score = 0;
-
- if ((s->flags & FRAMERATE_FLAG_SCD) && copy_src2) {
- interpolate_scene_score = get_scene_score16(ctx, copy_src1, copy_src2);
- ff_dlog(ctx, "blend_frames16() interpolate scene score:%f\n", interpolate_scene_score);
+ ThreadData *td = arg;
+ uint16_t src1_factor = td->src1_factor;
+ uint16_t src2_factor = td->src2_factor;
+ int plane, line, pixel;
+
+ for (plane = 0; plane < 4 && td->copy_src1->data[plane] && td->copy_src2->data[plane]; plane++) {
+ int cpy_line_width = s->line_size[plane];
+ uint8_t *cpy_src1_data = td->copy_src1->data[plane];
+ int cpy_src1_line_size = td->copy_src1->linesize[plane];
+ uint8_t *cpy_src2_data = td->copy_src2->data[plane];
+ int cpy_src2_line_size = td->copy_src2->linesize[plane];
+ int cpy_src_h = (plane > 0 && plane < 3) ? (td->copy_src1->height >> s->vsub) : (td->copy_src1->height);
+ uint8_t *cpy_dst_data = s->work->data[plane];
+ int cpy_dst_line_size = s->work->linesize[plane];
+ const int start = (cpy_src_h * job ) / nb_jobs;
+ const int end = (cpy_src_h * (job+1)) / nb_jobs;
+ cpy_src1_data += start * cpy_src1_line_size;
+ cpy_src2_data += start * cpy_src2_line_size;
+ cpy_dst_data += start * cpy_dst_line_size;
+
+ if (plane <1 || plane >2) {
+ // luma or alpha
+ for (line = start; line < end; line++) {
+ for (pixel = 0; pixel < cpy_line_width; pixel++) {
+ // integer version of (src1 * src1_factor) + (src2 + src2_factor) + 0.5
+ // 0.5 is for rounding
+ // 128 is the integer representation of 0.5 << 8
+ cpy_dst_data[pixel] = ((cpy_src1_data[pixel] * src1_factor) + (cpy_src2_data[pixel] * src2_factor) + 128) >> 8;
+ }
+ cpy_src1_data += cpy_src1_line_size;
+ cpy_src2_data += cpy_src2_line_size;
+ cpy_dst_data += cpy_dst_line_size;
+ }
+ } else {
+ // chroma
+ for (line = start; line < end; line++) {
+ for (pixel = 0; pixel < cpy_line_width; pixel++) {
+ // as above
+ // because U and V are based around 128 we have to subtract 128 from the components.
+ // 32896 is the integer representation of 128.5 << 8
+ cpy_dst_data[pixel] = (((cpy_src1_data[pixel] - 128) * src1_factor) + ((cpy_src2_data[pixel] - 128) * src2_factor) + 32896) >> 8;
+ }
+ cpy_src1_data += cpy_src1_line_size;
+ cpy_src2_data += cpy_src2_line_size;
+ cpy_dst_data += cpy_dst_line_size;
+ }
+ }
}
- // decide if the shot-change detection allows us to blend two frames
- if (interpolate_scene_score < s->scene_score && copy_src2) {
- uint16_t src2_factor = fabsf(interpolate) * (1 << (s->bitdepth - 8));
- uint16_t src1_factor = s->max - src2_factor;
- const int half = s->max / 2;
- const int uv = (s->max + 1) * half;
- const int shift = s->bitdepth;
- int plane, line, pixel;
- // get work-space for output frame
- s->work = ff_get_video_buffer(outlink, outlink->w, outlink->h);
- if (!s->work)
- return AVERROR(ENOMEM);
-
- av_frame_copy_props(s->work, s->srce[s->crnt]);
+ return 0;
+}
- ff_dlog(ctx, "blend_frames16() INTERPOLATE to create work frame\n");
- for (plane = 0; plane < 4 && copy_src1->data[plane] && copy_src2->data[plane]; plane++) {
- int cpy_line_width = s->line_size[plane];
- const uint16_t *cpy_src1_data = (const uint16_t *)copy_src1->data[plane];
- int cpy_src1_line_size = copy_src1->linesize[plane] / 2;
- const uint16_t *cpy_src2_data = (const uint16_t *)copy_src2->data[plane];
- int cpy_src2_line_size = copy_src2->linesize[plane] / 2;
- int cpy_src_h = (plane > 0 && plane < 3) ? (copy_src1->height >> s->vsub) : (copy_src1->height);
- uint16_t *cpy_dst_data = (uint16_t *)s->work->data[plane];
- int cpy_dst_line_size = s->work->linesize[plane] / 2;
-
- if (plane <1 || plane >2) {
- // luma or alpha
- for (line = 0; line < cpy_src_h; line++) {
- for (pixel = 0; pixel < cpy_line_width; pixel++)
- cpy_dst_data[pixel] = ((cpy_src1_data[pixel] * src1_factor) + (cpy_src2_data[pixel] * src2_factor) + half) >> shift;
- cpy_src1_data += cpy_src1_line_size;
- cpy_src2_data += cpy_src2_line_size;
- cpy_dst_data += cpy_dst_line_size;
- }
- } else {
- // chroma
- for (line = 0; line < cpy_src_h; line++) {
- for (pixel = 0; pixel < cpy_line_width; pixel++) {
- cpy_dst_data[pixel] = (((cpy_src1_data[pixel] - half) * src1_factor) + ((cpy_src2_data[pixel] - half) * src2_factor) + uv) >> shift;
- }
- cpy_src1_data += cpy_src1_line_size;
- cpy_src2_data += cpy_src2_line_size;
- cpy_dst_data += cpy_dst_line_size;
+static int filter_slice16(AVFilterContext *ctx, void *arg, int job, int nb_jobs)
+{
+ FrameRateContext *s = ctx->priv;
+ ThreadData *td = arg;
+ uint16_t src1_factor = td->src1_factor;
+ uint16_t src2_factor = td->src2_factor;
+ const int half = s->max / 2;
+ const int uv = (s->max + 1) * half;
+ const int shift = s->bitdepth;
+ int plane, line, pixel;
+
+ for (plane = 0; plane < 4 && td->copy_src1->data[plane] && td->copy_src2->data[plane]; plane++) {
+ int cpy_line_width = s->line_size[plane];
+ const uint16_t *cpy_src1_data = (const uint16_t *)td->copy_src1->data[plane];
+ int cpy_src1_line_size = td->copy_src1->linesize[plane] / 2;
+ const uint16_t *cpy_src2_data = (const uint16_t *)td->copy_src2->data[plane];
+ int cpy_src2_line_size = td->copy_src2->linesize[plane] / 2;
+ int cpy_src_h = (plane > 0 && plane < 3) ? (td->copy_src1->height >> s->vsub) : (td->copy_src1->height);
+ uint16_t *cpy_dst_data = (uint16_t *)s->work->data[plane];
+ int cpy_dst_line_size = s->work->linesize[plane] / 2;
+ const int start = (cpy_src_h * job ) / nb_jobs;
+ const int end = (cpy_src_h * (job+1)) / nb_jobs;
+ cpy_src1_data += start * cpy_src1_line_size;
+ cpy_src2_data += start * cpy_src2_line_size;
+ cpy_dst_data += start * cpy_dst_line_size;
+
+ if (plane <1 || plane >2) {
+ // luma or alpha
+ for (line = start; line < end; line++) {
+ for (pixel = 0; pixel < cpy_line_width; pixel++)
+ cpy_dst_data[pixel] = ((cpy_src1_data[pixel] * src1_factor) + (cpy_src2_data[pixel] * src2_factor) + half) >> shift;
+ cpy_src1_data += cpy_src1_line_size;
+ cpy_src2_data += cpy_src2_line_size;
+ cpy_dst_data += cpy_dst_line_size;
+ }
+ } else {
+ // chroma
+ for (line = start; line < end; line++) {
+ for (pixel = 0; pixel < cpy_line_width; pixel++) {
+ cpy_dst_data[pixel] = (((cpy_src1_data[pixel] - half) * src1_factor) + ((cpy_src2_data[pixel] - half) * src2_factor) + uv) >> shift;
}
+ cpy_src1_data += cpy_src1_line_size;
+ cpy_src2_data += cpy_src2_line_size;
+ cpy_dst_data += cpy_dst_line_size;
}
}
- return 1;
}
+
return 0;
}
-static int blend_frames8(AVFilterContext *ctx, float interpolate,
- AVFrame *copy_src1, AVFrame *copy_src2)
+static int blend_frames(AVFilterContext *ctx, float interpolate,
+ int src1, int src2)
{
FrameRateContext *s = ctx->priv;
AVFilterLink *outlink = ctx->outputs[0];
double interpolate_scene_score = 0;
- if ((s->flags & FRAMERATE_FLAG_SCD) && copy_src2) {
- interpolate_scene_score = get_scene_score(ctx, copy_src1, copy_src2);
- ff_dlog(ctx, "blend_frames8() interpolate scene score:%f\n", interpolate_scene_score);
+ if ((s->flags & FRAMERATE_FLAG_SCD) && s->srce[src1] && s->srce[src2]) {
+ int i1 = src1 < src2 ? src1 : src2;
+ int i2 = src1 < src2 ? src2 : src1;
+ if (i2 == i1 + 1 && s->srce_score[i1] >= 0.0)
+ interpolate_scene_score = s->srce_score[i1];
+ else
+ interpolate_scene_score = s->srce_score[i1] = get_scene_score(ctx, s->srce[i1], s->srce[i2]);
+ ff_dlog(ctx, "blend_frames() interpolate scene score:%f\n", interpolate_scene_score);
}
// decide if the shot-change detection allows us to blend two frames
- if (interpolate_scene_score < s->scene_score && copy_src2) {
- uint16_t src2_factor = fabsf(interpolate);
- uint16_t src1_factor = 256 - src2_factor;
- int plane, line, pixel;
+ if (interpolate_scene_score < s->scene_score && s->srce[src2]) {
+ ThreadData td;
+ td.copy_src1 = s->srce[src1];
+ td.copy_src2 = s->srce[src2];
+ td.src2_factor = fabsf(interpolate) * (1 << (s->bitdepth - 8));
+ td.src1_factor = s->max - td.src2_factor;
// get work-space for output frame
s->work = ff_get_video_buffer(outlink, outlink->w, outlink->h);
av_frame_copy_props(s->work, s->srce[s->crnt]);
- ff_dlog(ctx, "blend_frames8() INTERPOLATE to create work frame\n");
- for (plane = 0; plane < 4 && copy_src1->data[plane] && copy_src2->data[plane]; plane++) {
- int cpy_line_width = s->line_size[plane];
- uint8_t *cpy_src1_data = copy_src1->data[plane];
- int cpy_src1_line_size = copy_src1->linesize[plane];
- uint8_t *cpy_src2_data = copy_src2->data[plane];
- int cpy_src2_line_size = copy_src2->linesize[plane];
- int cpy_src_h = (plane > 0 && plane < 3) ? (copy_src1->height >> s->vsub) : (copy_src1->height);
- uint8_t *cpy_dst_data = s->work->data[plane];
- int cpy_dst_line_size = s->work->linesize[plane];
- if (plane <1 || plane >2) {
- // luma or alpha
- for (line = 0; line < cpy_src_h; line++) {
- for (pixel = 0; pixel < cpy_line_width; pixel++) {
- // integer version of (src1 * src1_factor) + (src2 + src2_factor) + 0.5
- // 0.5 is for rounding
- // 128 is the integer representation of 0.5 << 8
- cpy_dst_data[pixel] = ((cpy_src1_data[pixel] * src1_factor) + (cpy_src2_data[pixel] * src2_factor) + 128) >> 8;
- }
- cpy_src1_data += cpy_src1_line_size;
- cpy_src2_data += cpy_src2_line_size;
- cpy_dst_data += cpy_dst_line_size;
- }
- } else {
- // chroma
- for (line = 0; line < cpy_src_h; line++) {
- for (pixel = 0; pixel < cpy_line_width; pixel++) {
- // as above
- // because U and V are based around 128 we have to subtract 128 from the components.
- // 32896 is the integer representation of 128.5 << 8
- cpy_dst_data[pixel] = (((cpy_src1_data[pixel] - 128) * src1_factor) + ((cpy_src2_data[pixel] - 128) * src2_factor) + 32896) >> 8;
- }
- cpy_src1_data += cpy_src1_line_size;
- cpy_src2_data += cpy_src2_line_size;
- cpy_dst_data += cpy_dst_line_size;
- }
- }
- }
+ ff_dlog(ctx, "blend_frames() INTERPOLATE to create work frame\n");
+ ctx->internal->execute(ctx, s->bitdepth == 8 ? filter_slice8 : filter_slice16, &td, NULL, FFMIN(outlink->h, ff_filter_get_nb_threads(ctx)));
return 1;
}
return 0;
{
FrameRateContext *s = ctx->priv;
int64_t work_next_pts;
- AVFrame *copy_src1;
float interpolate;
+ int src1, src2;
ff_dlog(ctx, "process_work_frame()\n");
// calculate interpolation
interpolate = ((s->pts - s->srce_pts_dest[s->crnt]) * 256.0 / s->average_srce_pts_dest_delta);
ff_dlog(ctx, "process_work_frame() interpolate:%f/256\n", interpolate);
- copy_src1 = s->srce[s->crnt];
+ src1 = s->crnt;
if (interpolate > s->interp_end) {
ff_dlog(ctx, "process_work_frame() source is:NEXT\n");
- copy_src1 = s->srce[s->next];
+ src1 = s->next;
}
if (s->srce[s->prev] && interpolate < -s->interp_end) {
ff_dlog(ctx, "process_work_frame() source is:PREV\n");
- copy_src1 = s->srce[s->prev];
+ src1 = s->prev;
}
// decide whether to blend two frames
if ((interpolate >= s->interp_start && interpolate <= s->interp_end) || (interpolate <= -s->interp_start && interpolate >= -s->interp_end)) {
- AVFrame *copy_src2;
-
if (interpolate > 0) {
ff_dlog(ctx, "process_work_frame() interpolate source is:NEXT\n");
- copy_src2 = s->srce[s->next];
+ src2 = s->next;
} else {
ff_dlog(ctx, "process_work_frame() interpolate source is:PREV\n");
- copy_src2 = s->srce[s->prev];
+ src2 = s->prev;
}
- if (s->blend_frames(ctx, interpolate, copy_src1, copy_src2))
+ if (blend_frames(ctx, interpolate, src1, src2))
goto copy_done;
else
ff_dlog(ctx, "process_work_frame() CUT - DON'T INTERPOLATE\n");
ff_dlog(ctx, "process_work_frame() COPY to the work frame\n");
// copy the frame we decided is our base source
- s->work = av_frame_clone(copy_src1);
+ s->work = av_frame_clone(s->srce[src1]);
if (!s->work)
return AVERROR(ENOMEM);
static av_cold int init(AVFilterContext *ctx)
{
FrameRateContext *s = ctx->priv;
+ int i;
s->dest_frame_num = 0;
s->next = s->crnt - 1;
s->prev = s->crnt + 1;
+ for (i = 0; i < N_SRCE; i++)
+ s->srce_score[i] = -1.0;
+
return 0;
}
s->srce_time_base = inlink->time_base;
- if (s->bitdepth == 8)
- s->blend_frames = blend_frames8;
- else
- s->blend_frames = blend_frames16;
s->max = 1 << (s->bitdepth);
return 0;
.query_formats = query_formats,
.inputs = framerate_inputs,
.outputs = framerate_outputs,
+ .flags = AVFILTER_FLAG_SLICE_THREADS,
};
projects / ffmpeg / blobdiff