typedef struct LagfunContext {
const AVClass *class;
- const AVPixFmtDescriptor *desc;
float decay;
int planes;
int depth;
int nb_planes;
int linesize[4];
- int height[4];
+ int planewidth[4];
+ int planeheight[4];
- AVFrame *old;
+ float *old[4];
int (*lagfun)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
} LagfunContext;
}
typedef struct ThreadData {
- AVFrame *in, *out, *old;
+ AVFrame *in, *out;
} ThreadData;
-static int lagfun_frame8(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
-{
- LagfunContext *s = ctx->priv;
- const float decay = s->decay;
- ThreadData *td = arg;
- AVFrame *in = td->in;
- AVFrame *out = td->out;
- AVFrame *old = td->old;
-
- for (int p = 0; p < s->nb_planes; p++) {
- const int slice_start = (s->height[p] * jobnr) / nb_jobs;
- const int slice_end = (s->height[p] * (jobnr+1)) / nb_jobs;
- const uint8_t *src = in->data[p] + slice_start * in->linesize[p];
- const uint8_t *osrc = old->data[p] + slice_start * old->linesize[p];
- uint8_t *dst = out->data[p] + slice_start * out->linesize[p];
-
- if (!((1 << p) & s->planes)) {
- av_image_copy_plane(dst, out->linesize[p],
- src, in->linesize[p],
- s->linesize[p], slice_end - slice_start);
- continue;
- }
-
- for (int y = slice_start; y < slice_end; y++) {
- for (int x = 0; x < s->linesize[p]; x++)
- dst[x] = FFMAX(src[x], osrc[x] * decay);
-
- src += in->linesize[p];
- osrc += old->linesize[p];
- dst += out->linesize[p];
- }
- }
-
- return 0;
+#define LAGFUN(name, type) \
+static int lagfun_frame##name(AVFilterContext *ctx, void *arg, \
+ int jobnr, int nb_jobs) \
+{ \
+ LagfunContext *s = ctx->priv; \
+ const float decay = s->decay; \
+ ThreadData *td = arg; \
+ AVFrame *in = td->in; \
+ AVFrame *out = td->out; \
+ \
+ for (int p = 0; p < s->nb_planes; p++) { \
+ const int slice_start = (s->planeheight[p] * jobnr) / nb_jobs; \
+ const int slice_end = (s->planeheight[p] * (jobnr+1)) / nb_jobs; \
+ const type *src = (const type *)in->data[p] + \
+ slice_start * in->linesize[p] / sizeof(type); \
+ float *osrc = s->old[p] + slice_start * s->planewidth[p]; \
+ type *dst = (type *)out->data[p] + \
+ slice_start * out->linesize[p] / sizeof(type); \
+ \
+ if (!((1 << p) & s->planes)) { \
+ av_image_copy_plane((uint8_t *)dst, out->linesize[p], \
+ (const uint8_t *)src, in->linesize[p], \
+ s->linesize[p], slice_end - slice_start); \
+ continue; \
+ } \
+ \
+ for (int y = slice_start; y < slice_end; y++) { \
+ for (int x = 0; x < s->planewidth[p]; x++) { \
+ float v = FFMAX(src[x], osrc[x] * decay); \
+ \
+ osrc[x] = v; \
+ if (ctx->is_disabled) { \
+ dst[x] = src[x]; \
+ } else { \
+ dst[x] = lrintf(v); \
+ } \
+ } \
+ \
+ src += in->linesize[p] / sizeof(type); \
+ osrc += s->planewidth[p]; \
+ dst += out->linesize[p] / sizeof(type); \
+ } \
+ } \
+ \
+ return 0; \
}
-static int lagfun_frame16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
-{
- LagfunContext *s = ctx->priv;
- const float decay = s->decay;
- ThreadData *td = arg;
- AVFrame *in = td->in;
- AVFrame *out = td->out;
- AVFrame *old = td->old;
-
- for (int p = 0; p < s->nb_planes; p++) {
- const int slice_start = (s->height[p] * jobnr) / nb_jobs;
- const int slice_end = (s->height[p] * (jobnr+1)) / nb_jobs;
- const uint16_t *src = (const uint16_t *)in->data[p] + slice_start * in->linesize[p] / 2;
- const uint16_t *osrc = (const uint16_t *)old->data[p] + slice_start * old->linesize[p] / 2;
- uint16_t *dst = (uint16_t *)out->data[p] + slice_start * out->linesize[p] / 2;
-
- if (!((1 << p) & s->planes)) {
- av_image_copy_plane((uint8_t *)dst, out->linesize[p],
- (uint8_t *)src, in->linesize[p],
- s->linesize[p], slice_end - slice_start);
- continue;
- }
-
- for (int y = slice_start; y < slice_end; y++) {
- for (int x = 0; x < s->linesize[p]; x++)
- dst[x] = FFMAX(src[x], osrc[x] * decay);
-
- src += in->linesize[p] / 2;
- osrc += old->linesize[p] / 2;
- dst += out->linesize[p] / 2;
- }
- }
-
- return 0;
-}
+LAGFUN(8, uint8_t)
+LAGFUN(16, uint16_t)
static int config_output(AVFilterLink *outlink)
{
AVFilterContext *ctx = outlink->src;
LagfunContext *s = ctx->priv;
AVFilterLink *inlink = ctx->inputs[0];
+ const AVPixFmtDescriptor *desc;
int ret;
- s->desc = av_pix_fmt_desc_get(outlink->format);
- if (!s->desc)
+ desc = av_pix_fmt_desc_get(outlink->format);
+ if (!desc)
return AVERROR_BUG;
s->nb_planes = av_pix_fmt_count_planes(outlink->format);
- s->depth = s->desc->comp[0].depth;
+ s->depth = desc->comp[0].depth;
s->lagfun = s->depth <= 8 ? lagfun_frame8 : lagfun_frame16;
if ((ret = av_image_fill_linesizes(s->linesize, inlink->format, inlink->w)) < 0)
return ret;
- s->height[1] = s->height[2] = AV_CEIL_RSHIFT(inlink->h, s->desc->log2_chroma_h);
- s->height[0] = s->height[3] = inlink->h;
+ s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
+ s->planewidth[0] = s->planewidth[3] = inlink->w;
+ s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
+ s->planeheight[0] = s->planeheight[3] = inlink->h;
+
+ for (int p = 0; p < s->nb_planes; p++) {
+ s->old[p] = av_calloc(s->planewidth[p] * s->planeheight[p], sizeof(*s->old[0]));
+ if (!s->old[p])
+ return AVERROR(ENOMEM);
+ }
return 0;
}
ThreadData td;
AVFrame *out;
- if (!s->old) {
- s->old = av_frame_clone(in);
- return ff_filter_frame(outlink, in);
- }
-
out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!out) {
av_frame_free(&in);
td.out = out;
td.in = in;
- td.old = s->old;
- ctx->internal->execute(ctx, s->lagfun, &td, NULL, FFMIN(s->height[1], ff_filter_get_nb_threads(ctx)));
+ ctx->internal->execute(ctx, s->lagfun, &td, NULL, FFMIN(s->planeheight[1], ff_filter_get_nb_threads(ctx)));
- av_frame_free(&s->old);
av_frame_free(&in);
- s->old = av_frame_clone(out);
return ff_filter_frame(outlink, out);
}
{
LagfunContext *s = ctx->priv;
- av_frame_free(&s->old);
+ for (int p = 0; p < s->nb_planes; p++)
+ av_freep(&s->old[p]);
}
#define OFFSET(x) offsetof(LagfunContext, x)
-#define FLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM
+#define FLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_RUNTIME_PARAM
static const AVOption lagfun_options[] = {
{ "decay", "set decay", OFFSET(decay), AV_OPT_TYPE_FLOAT, {.dbl=.95}, 0, 1, FLAGS },
.uninit = uninit,
.outputs = outputs,
.inputs = inputs,
- .flags = AVFILTER_FLAG_SLICE_THREADS,
+ .flags = AVFILTER_FLAG_SLICE_THREADS | AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
+ .process_command = ff_filter_process_command,
};
projects / ffmpeg / blobdiff