*
* @see http://www.libretro.com/forums/viewtopic.php?f=6&t=134
* @see https://github.com/yoyofr/iFBA/blob/master/fba_src/src/intf/video/scalers/xbr.cpp
- *
- * @todo add threading
*/
#include "libavutil/opt.h"
#define RED_BLUE_MASK 0x00FF00FF
#define GREEN_MASK 0x0000FF00
+typedef int (*xbrfunc_t)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
+
typedef struct {
const AVClass *class;
int n;
+ xbrfunc_t func;
uint32_t rgbtoyuv[1<<24];
} XBRContext;
+typedef struct ThreadData {
+ AVFrame *in, *out;
+ const uint32_t *rgbtoyuv;
+} ThreadData;
+
#define OFFSET(x) offsetof(XBRContext, x)
+#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
static const AVOption xbr_options[] = {
- { "n", "set scale factor", OFFSET(n), AV_OPT_TYPE_INT, {.i64 = 3}, 2, 4, },
+ { "n", "set scale factor", OFFSET(n), AV_OPT_TYPE_INT, {.i64 = 3}, 2, 4, .flags = FLAGS },
{ NULL }
};
#define df(A, B) pixel_diff(A, B, r2y)
#define eq(A, B) (df(A, B) < 155)
-#define INIT_SRC_DST_POINTERS(level) \
- uint32_t *E = (uint32_t *)(output->data[0] + y * output->linesize[0] * (level)); \
- const uint32_t *sa2 = (uint32_t *)(input->data[0] + y * input->linesize[0] - 8); /* center */ \
- const uint32_t *sa1 = sa2 - (input->linesize[0]>>2); /* up x1 */ \
- const uint32_t *sa0 = sa1 - (input->linesize[0]>>2); /* up x2 */ \
- const uint32_t *sa3 = sa2 + (input->linesize[0]>>2); /* down x1 */ \
- const uint32_t *sa4 = sa3 + (input->linesize[0]>>2); /* down x2 */ \
- \
- if (y <= 1) { \
- sa0 = sa1; \
- if (y == 0) { \
- sa0 = sa1 = sa2; \
- } \
- } \
- \
- if (y >= input->height - 2) { \
- sa4 = sa3; \
- if (y == input->height - 1) { \
- sa4 = sa3 = sa2; \
- } \
- }
-
-#define INIT_21_PIXELS \
- const uint32_t B1 = sa0[2]; \
- const uint32_t PB = sa1[2]; \
- const uint32_t PE = sa2[2]; \
- const uint32_t PH = sa3[2]; \
- const uint32_t H5 = sa4[2]; \
- \
- const int pprev = 2 - (x > 0); \
- const uint32_t A1 = sa0[pprev]; \
- const uint32_t PA = sa1[pprev]; \
- const uint32_t PD = sa2[pprev]; \
- const uint32_t PG = sa3[pprev]; \
- const uint32_t G5 = sa4[pprev]; \
- \
- const int pprev2 = pprev - (x > 1); \
- const uint32_t A0 = sa1[pprev2]; \
- const uint32_t D0 = sa2[pprev2]; \
- const uint32_t G0 = sa3[pprev2]; \
- \
- const int pnext = 3 - (x == input->width - 1); \
- const uint32_t C1 = sa0[pnext]; \
- const uint32_t PC = sa1[pnext]; \
- const uint32_t PF = sa2[pnext]; \
- const uint32_t PI = sa3[pnext]; \
- const uint32_t I5 = sa4[pnext]; \
- \
- const int pnext2 = pnext + 1 - (x >= input->width - 2); \
- const uint32_t C4 = sa1[pnext2]; \
- const uint32_t F4 = sa2[pnext2]; \
- const uint32_t I4 = sa3[pnext2];
-
#define FILT2(PE, PI, PH, PF, PG, PC, PD, PB, PA, G5, C4, G0, D0, C1, B1, F4, I4, H5, I5, A0, A1, \
N0, N1, N2, N3) do { \
if (PE != PH && PE != PF) { \
} \
} while (0)
-static void xbr2x(AVFrame * input, AVFrame * output, const uint32_t * r2y)
-{
- int x, y;
- const int nl = output->linesize[0] >> 2;
-
- for (y = 0; y < input->height; y++) {
- INIT_SRC_DST_POINTERS(2)
-
- for (x = 0; x < input->width; x++) {
- INIT_21_PIXELS
-
- E[0] = E[1] = E[nl] = E[nl + 1] = PE; // 0, 1, 2, 3
-
- FILT2(PE, PI, PH, PF, PG, PC, PD, PB, PA, G5, C4, G0, D0, C1, B1, F4, I4, H5, I5, A0, A1, 0, 1, nl, nl+1);
- FILT2(PE, PC, PF, PB, PI, PA, PH, PD, PG, I4, A1, I5, H5, A0, D0, B1, C1, F4, C4, G5, G0, nl, 0, nl+1, 1);
- FILT2(PE, PA, PB, PD, PC, PG, PF, PH, PI, C1, G0, C4, F4, G5, H5, D0, A0, B1, A1, I4, I5, nl+1, nl, 1, 0);
- FILT2(PE, PG, PD, PH, PA, PI, PB, PF, PC, A0, I5, A1, B1, I4, F4, H5, G5, D0, G0, C1, C4, 1, nl+1, 0, nl);
-
- sa0 += 1;
- sa1 += 1;
- sa2 += 1;
- sa3 += 1;
- sa4 += 1;
-
- E += 2;
- }
- }
-}
-
#define FILT3(PE, PI, PH, PF, PG, PC, PD, PB, PA, G5, C4, G0, D0, C1, B1, F4, I4, H5, I5, A0, A1, \
N0, N1, N2, N3, N4, N5, N6, N7, N8) do { \
if (PE != PH && PE != PF) { \
} \
} while (0)
-static void xbr3x(AVFrame *input, AVFrame *output, const uint32_t *r2y)
-{
- int x, y;
- const int nl = output->linesize[0] >> 2;
- const int nl1 = nl + nl;
-
- for (y = 0; y < input->height; y++) {
- INIT_SRC_DST_POINTERS(3)
-
- for (x = 0; x < input->width; x++) {
- INIT_21_PIXELS
-
- E[0] = E[1] = E[2] = PE;
- E[nl] = E[nl+1] = E[nl+2] = PE; // 3, 4, 5
- E[nl1] = E[nl1+1] = E[nl1+2] = PE; // 6, 7, 8
-
- FILT3(PE, PI, PH, PF, PG, PC, PD, PB, PA, G5, C4, G0, D0, C1, B1, F4, I4, H5, I5, A0, A1, 0, 1, 2, nl, nl+1, nl+2, nl1, nl1+1, nl1+2);
- FILT3(PE, PC, PF, PB, PI, PA, PH, PD, PG, I4, A1, I5, H5, A0, D0, B1, C1, F4, C4, G5, G0, nl1, nl, 0, nl1+1, nl+1, 1, nl1+2, nl+2, 2);
- FILT3(PE, PA, PB, PD, PC, PG, PF, PH, PI, C1, G0, C4, F4, G5, H5, D0, A0, B1, A1, I4, I5, nl1+2, nl1+1, nl1, nl+2, nl+1, nl, 2, 1, 0);
- FILT3(PE, PG, PD, PH, PA, PI, PB, PF, PC, A0, I5, A1, B1, I4, F4, H5, G5, D0, G0, C1, C4, 2, nl+2, nl1+2, 1, nl+1, nl1+1, 0, nl, nl1);
-
- sa0 += 1;
- sa1 += 1;
- sa2 += 1;
- sa3 += 1;
- sa4 += 1;
-
- E += 3;
- }
- }
-}
-
#define FILT4(PE, PI, PH, PF, PG, PC, PD, PB, PA, G5, C4, G0, D0, C1, B1, F4, I4, H5, I5, A0, A1, \
N15, N14, N11, N3, N7, N10, N13, N12, N9, N6, N2, N1, N5, N8, N4, N0) do { \
if (PE != PH && PE != PF) { \
} \
} while (0)
-static void xbr4x(AVFrame *input, AVFrame *output, const uint32_t *r2y)
+static av_always_inline void xbr_filter(const ThreadData *td, int jobnr, int nb_jobs, int n)
{
int x, y;
+ const AVFrame *input = td->in;
+ AVFrame *output = td->out;
+ const uint32_t *r2y = td->rgbtoyuv;
+ const int slice_start = (input->height * jobnr ) / nb_jobs;
+ const int slice_end = (input->height * (jobnr+1)) / nb_jobs;
const int nl = output->linesize[0] >> 2;
const int nl1 = nl + nl;
const int nl2 = nl1 + nl;
- for (y = 0; y < input->height; y++) {
- INIT_SRC_DST_POINTERS(4)
+ for (y = slice_start; y < slice_end; y++) {
- for (x = 0; x < input->width; x++) {
- INIT_21_PIXELS
+ uint32_t *E = (uint32_t *)(output->data[0] + y * output->linesize[0] * n);
+ const uint32_t *sa2 = (uint32_t *)(input->data[0] + y * input->linesize[0] - 8); /* center */
+ const uint32_t *sa1 = sa2 - (input->linesize[0]>>2); /* up x1 */
+ const uint32_t *sa0 = sa1 - (input->linesize[0]>>2); /* up x2 */
+ const uint32_t *sa3 = sa2 + (input->linesize[0]>>2); /* down x1 */
+ const uint32_t *sa4 = sa3 + (input->linesize[0]>>2); /* down x2 */
- E[0] = E[1] = E[2] = E[3] = PE;
- E[nl] = E[nl+1] = E[nl+2] = E[nl+3] = PE; // 4, 5, 6, 7
- E[nl1] = E[nl1+1] = E[nl1+2] = E[nl1+3] = PE; // 8, 9, 10, 11
- E[nl2] = E[nl2+1] = E[nl2+2] = E[nl2+3] = PE; // 12, 13, 14, 15
+ if (y <= 1) {
+ sa0 = sa1;
+ if (y == 0) {
+ sa0 = sa1 = sa2;
+ }
+ }
- FILT4(PE, PI, PH, PF, PG, PC, PD, PB, PA, G5, C4, G0, D0, C1, B1, F4, I4, H5, I5, A0, A1, nl2+3, nl2+2, nl1+3, 3, nl+3, nl1+2, nl2+1, nl2, nl1+1, nl+2, 2, 1, nl+1, nl1, nl, 0);
- FILT4(PE, PC, PF, PB, PI, PA, PH, PD, PG, I4, A1, I5, H5, A0, D0, B1, C1, F4, C4, G5, G0, 3, nl+3, 2, 0, 1, nl+2, nl1+3, nl2+3, nl1+2, nl+1, nl, nl1, nl1+1,nl2+2,nl2+1,nl2);
- FILT4(PE, PA, PB, PD, PC, PG, PF, PH, PI, C1, G0, C4, F4, G5, H5, D0, A0, B1, A1, I4, I5, 0, 1, nl, nl2, nl1, nl+1, 2, 3, nl+2, nl1+1, nl2+1,nl2+2,nl1+2, nl+3,nl1+3,nl2+3);
- FILT4(PE, PG, PD, PH, PA, PI, PB, PF, PC, A0, I5, A1, B1, I4, F4, H5, G5, D0, G0, C1, C4, nl2, nl1, nl2+1, nl2+3, nl2+2, nl1+1, nl, 0, nl+1, nl1+2, nl1+3, nl+3, nl+2, 1, 2, 3);
+ if (y >= input->height - 2) {
+ sa4 = sa3;
+ if (y == input->height - 1) {
+ sa4 = sa3 = sa2;
+ }
+ }
+
+ for (x = 0; x < input->width; x++) {
+ const uint32_t B1 = sa0[2];
+ const uint32_t PB = sa1[2];
+ const uint32_t PE = sa2[2];
+ const uint32_t PH = sa3[2];
+ const uint32_t H5 = sa4[2];
+
+ const int pprev = 2 - (x > 0);
+ const uint32_t A1 = sa0[pprev];
+ const uint32_t PA = sa1[pprev];
+ const uint32_t PD = sa2[pprev];
+ const uint32_t PG = sa3[pprev];
+ const uint32_t G5 = sa4[pprev];
+
+ const int pprev2 = pprev - (x > 1);
+ const uint32_t A0 = sa1[pprev2];
+ const uint32_t D0 = sa2[pprev2];
+ const uint32_t G0 = sa3[pprev2];
+
+ const int pnext = 3 - (x == input->width - 1);
+ const uint32_t C1 = sa0[pnext];
+ const uint32_t PC = sa1[pnext];
+ const uint32_t PF = sa2[pnext];
+ const uint32_t PI = sa3[pnext];
+ const uint32_t I5 = sa4[pnext];
+
+ const int pnext2 = pnext + 1 - (x >= input->width - 2);
+ const uint32_t C4 = sa1[pnext2];
+ const uint32_t F4 = sa2[pnext2];
+ const uint32_t I4 = sa3[pnext2];
+
+ if (n == 2) {
+ E[0] = E[1] = // 0, 1
+ E[nl] = E[nl + 1] = PE; // 2, 3
+
+ FILT2(PE, PI, PH, PF, PG, PC, PD, PB, PA, G5, C4, G0, D0, C1, B1, F4, I4, H5, I5, A0, A1, 0, 1, nl, nl+1);
+ FILT2(PE, PC, PF, PB, PI, PA, PH, PD, PG, I4, A1, I5, H5, A0, D0, B1, C1, F4, C4, G5, G0, nl, 0, nl+1, 1);
+ FILT2(PE, PA, PB, PD, PC, PG, PF, PH, PI, C1, G0, C4, F4, G5, H5, D0, A0, B1, A1, I4, I5, nl+1, nl, 1, 0);
+ FILT2(PE, PG, PD, PH, PA, PI, PB, PF, PC, A0, I5, A1, B1, I4, F4, H5, G5, D0, G0, C1, C4, 1, nl+1, 0, nl);
+ } else if (n == 3) {
+ E[0] = E[1] = E[2] = // 0, 1, 2
+ E[nl] = E[nl+1] = E[nl+2] = // 3, 4, 5
+ E[nl1] = E[nl1+1] = E[nl1+2] = PE; // 6, 7, 8
+
+ FILT3(PE, PI, PH, PF, PG, PC, PD, PB, PA, G5, C4, G0, D0, C1, B1, F4, I4, H5, I5, A0, A1, 0, 1, 2, nl, nl+1, nl+2, nl1, nl1+1, nl1+2);
+ FILT3(PE, PC, PF, PB, PI, PA, PH, PD, PG, I4, A1, I5, H5, A0, D0, B1, C1, F4, C4, G5, G0, nl1, nl, 0, nl1+1, nl+1, 1, nl1+2, nl+2, 2);
+ FILT3(PE, PA, PB, PD, PC, PG, PF, PH, PI, C1, G0, C4, F4, G5, H5, D0, A0, B1, A1, I4, I5, nl1+2, nl1+1, nl1, nl+2, nl+1, nl, 2, 1, 0);
+ FILT3(PE, PG, PD, PH, PA, PI, PB, PF, PC, A0, I5, A1, B1, I4, F4, H5, G5, D0, G0, C1, C4, 2, nl+2, nl1+2, 1, nl+1, nl1+1, 0, nl, nl1);
+ } else if (n == 4) {
+ E[0] = E[1] = E[2] = E[3] = // 0, 1, 2, 3
+ E[nl] = E[nl+1] = E[nl+2] = E[nl+3] = // 4, 5, 6, 7
+ E[nl1] = E[nl1+1] = E[nl1+2] = E[nl1+3] = // 8, 9, 10, 11
+ E[nl2] = E[nl2+1] = E[nl2+2] = E[nl2+3] = PE; // 12, 13, 14, 15
+
+ FILT4(PE, PI, PH, PF, PG, PC, PD, PB, PA, G5, C4, G0, D0, C1, B1, F4, I4, H5, I5, A0, A1, nl2+3, nl2+2, nl1+3, 3, nl+3, nl1+2, nl2+1, nl2, nl1+1, nl+2, 2, 1, nl+1, nl1, nl, 0);
+ FILT4(PE, PC, PF, PB, PI, PA, PH, PD, PG, I4, A1, I5, H5, A0, D0, B1, C1, F4, C4, G5, G0, 3, nl+3, 2, 0, 1, nl+2, nl1+3, nl2+3, nl1+2, nl+1, nl, nl1, nl1+1, nl2+2, nl2+1, nl2);
+ FILT4(PE, PA, PB, PD, PC, PG, PF, PH, PI, C1, G0, C4, F4, G5, H5, D0, A0, B1, A1, I4, I5, 0, 1, nl, nl2, nl1, nl+1, 2, 3, nl+2, nl1+1, nl2+1, nl2+2, nl1+2, nl+3, nl1+3, nl2+3);
+ FILT4(PE, PG, PD, PH, PA, PI, PB, PF, PC, A0, I5, A1, B1, I4, F4, H5, G5, D0, G0, C1, C4, nl2, nl1, nl2+1, nl2+3, nl2+2, nl1+1, nl, 0, nl+1, nl1+2, nl1+3, nl+3, nl+2, 1, 2, 3);
+ }
sa0 += 1;
sa1 += 1;
sa3 += 1;
sa4 += 1;
- E += 4;
+ E += n;
}
}
}
+#define XBR_FUNC(size) \
+static int xbr##size##x(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) \
+{ \
+ xbr_filter(arg, jobnr, nb_jobs, size); \
+ return 0; \
+}
+
+XBR_FUNC(2)
+XBR_FUNC(3)
+XBR_FUNC(4)
+
+
static int config_output(AVFilterLink *outlink)
{
AVFilterContext *ctx = outlink->src;
AVFilterContext *ctx = inlink->dst;
AVFilterLink *outlink = ctx->outputs[0];
XBRContext *xbr = ctx->priv;
- const uint32_t *r2y = xbr->rgbtoyuv;
+ ThreadData td;
AVFrame *out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!out) {
}
av_frame_copy_props(out, in);
- if (xbr->n == 4)
- xbr4x(in, out, r2y);
- else if (xbr->n == 3)
- xbr3x(in, out, r2y);
- else
- xbr2x(in, out, r2y);
+
+ td.in = in;
+ td.out = out;
+ td.rgbtoyuv = xbr->rgbtoyuv;
+ ctx->internal->execute(ctx, xbr->func, &td, NULL, FFMIN(inlink->h, ctx->graph->nb_threads));
out->width = outlink->w;
out->height = outlink->h;
static int init(AVFilterContext *ctx)
{
XBRContext *xbr = ctx->priv;
+ static const xbrfunc_t xbrfuncs[] = {xbr2x, xbr3x, xbr4x};
+
uint32_t c;
int bg, rg, g;
}
}
+ xbr->func = xbrfuncs[xbr->n - 2];
return 0;
}
.priv_size = sizeof(XBRContext),
.priv_class = &xbr_class,
.init = init,
+ .flags = AVFILTER_FLAG_SLICE_THREADS,
};