*
* This file is part of Libav.
*
- * Libav is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License along
- * with Libav; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/cpu.h"
#undef NDEBUG
#include <assert.h>
+typedef struct ThreadData {
+ AVFrame *frame;
+ int plane;
+ int w, h;
+ int parity;
+ int tff;
+} ThreadData;
+
#define CHECK(j)\
{ int score = FFABS(cur[mrefs - 1 + (j)] - cur[prefs - 1 - (j)])\
+ FFABS(cur[mrefs +(j)] - cur[prefs -(j)])\
FILTER(w - 3, w, 0)
}
+static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
+{
+ YADIFContext *s = ctx->priv;
+ ThreadData *td = arg;
+ int refs = s->cur->linesize[td->plane];
+ int df = (s->csp->comp[td->plane].depth + 7) / 8;
+ int pix_3 = 3 * df;
+ int slice_h = td->h / nb_jobs;
+ int slice_start = jobnr * slice_h;
+ int slice_end = (jobnr == nb_jobs - 1) ? td->h : (jobnr + 1) * slice_h;
+ int y;
+
+ /* filtering reads 3 pixels to the left/right; to avoid invalid reads,
+ * we need to call the c variant which avoids this for border pixels
+ */
+ for (y = slice_start; y < slice_end; y++) {
+ if ((y ^ td->parity) & 1) {
+ uint8_t *prev = &s->prev->data[td->plane][y * refs];
+ uint8_t *cur = &s->cur ->data[td->plane][y * refs];
+ uint8_t *next = &s->next->data[td->plane][y * refs];
+ uint8_t *dst = &td->frame->data[td->plane][y * td->frame->linesize[td->plane]];
+ int mode = y == 1 || y + 2 == td->h ? 2 : s->mode;
+ s->filter_line(dst + pix_3, prev + pix_3, cur + pix_3,
+ next + pix_3, td->w - 6,
+ y + 1 < td->h ? refs : -refs,
+ y ? -refs : refs,
+ td->parity ^ td->tff, mode);
+ s->filter_edges(dst, prev, cur, next, td->w,
+ y + 1 < td->h ? refs : -refs,
+ y ? -refs : refs,
+ td->parity ^ td->tff, mode);
+ } else {
+ memcpy(&td->frame->data[td->plane][y * td->frame->linesize[td->plane]],
+ &s->cur->data[td->plane][y * refs], td->w * df);
+ }
+ }
+ return 0;
+}
+
static void filter(AVFilterContext *ctx, AVFrame *dstpic,
int parity, int tff)
{
YADIFContext *yadif = ctx->priv;
- int y, i;
+ ThreadData td = { .frame = dstpic, .parity = parity, .tff = tff };
+ int i;
for (i = 0; i < yadif->csp->nb_components; i++) {
int w = dstpic->width;
int h = dstpic->height;
- int refs = yadif->cur->linesize[i];
- int df = (yadif->csp->comp[i].depth_minus1 + 8) / 8;
- int pix_3 = 3 * df;
if (i == 1 || i == 2) {
- /* Why is this not part of the per-plane description thing? */
w >>= yadif->csp->log2_chroma_w;
h >>= yadif->csp->log2_chroma_h;
}
- /* filtering reads 3 pixels to the left/right; to avoid invalid reads,
- * we need to call the c variant which avoids this for border pixels
- */
-
- for (y = 0; y < h; y++) {
- if ((y ^ parity) & 1) {
- uint8_t *prev = &yadif->prev->data[i][y * refs];
- uint8_t *cur = &yadif->cur ->data[i][y * refs];
- uint8_t *next = &yadif->next->data[i][y * refs];
- uint8_t *dst = &dstpic->data[i][y * dstpic->linesize[i]];
- int mode = y == 1 || y + 2 == h ? 2 : yadif->mode;
- yadif->filter_line(dst + pix_3, prev + pix_3, cur + pix_3,
- next + pix_3, w - 6,
- y + 1 < h ? refs : -refs,
- y ? -refs : refs,
- parity ^ tff, mode);
- yadif->filter_edges(dst, prev, cur, next, w,
- y + 1 < h ? refs : -refs,
- y ? -refs : refs,
- parity ^ tff, mode);
- } else {
- memcpy(&dstpic->data[i][y * dstpic->linesize[i]],
- &yadif->cur->data[i][y * refs], w * df);
- }
- }
+
+ td.w = w;
+ td.h = h;
+ td.plane = i;
+
+ ctx->internal->execute(ctx, filter_slice, &td, NULL, FFMIN(h, ctx->graph->nb_threads));
}
emms_c();
link->h = link->src->inputs[0]->h;
s->csp = av_pix_fmt_desc_get(link->format);
- if (s->csp->comp[0].depth_minus1 / 8 == 1) {
+ if (s->csp->comp[0].depth > 8) {
s->filter_line = filter_line_c_16bit;
s->filter_edges = filter_edges_16bit;
} else {
{ NULL }
};
-AVFilter avfilter_vf_yadif = {
+AVFilter ff_vf_yadif = {
.name = "yadif",
.description = NULL_IF_CONFIG_SMALL("Deinterlace the input image"),
.inputs = avfilter_vf_yadif_inputs,
.outputs = avfilter_vf_yadif_outputs,
+
+ .flags = AVFILTER_FLAG_SLICE_THREADS,
};
projects / ffmpeg / blobdiff