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Merge remote-tracking branch 'qatar/master'

Browse Source 
* qatar/master:
  vf_fade: support slice threading
  vf_yadif: support slice threading

Conflicts:
	libavfilter/vf_fade.c
	libavfilter/vf_yadif.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-05-24 14:38:29 +02:00
commit 558ce3e5b7
2 changed files with 115 additions and 51 deletions
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81
libavfilter/vf_fade.c
View File

@ -158,11 +158,61 @@ static void fade_plane(int y, int h, int w,
}
}
static int filter_slice_luma(AVFilterContext *ctx, void *arg, int jobnr,
int nb_jobs)
{
FadeContext *s = ctx->priv;
AVFrame *frame = arg;
int slice_h = frame->height / nb_jobs;
int slice_start = jobnr * slice_h;
int slice_end = (jobnr == nb_jobs - 1) ? frame->height : (jobnr + 1) * slice_h;
int i, j;
for (i = slice_start; i < slice_end; i++) {
uint8_t *p = frame->data[0] + i * frame->linesize[0];
for (j = 0; j < frame->width * s->bpp; j++) {
/* s->factor is using 16 lower-order bits for decimal
* places. 32768 = 1 << 15, it is an integer representation
* of 0.5 and is for rounding. */
*p = ((*p - s->black_level) * s->factor + s->black_level_scaled) >> 16;
p++;
}
}
return 0;
}
static int filter_slice_chroma(AVFilterContext *ctx, void *arg, int jobnr,
int nb_jobs)
{
FadeContext *s = ctx->priv;
AVFrame *frame = arg;
int slice_h = FFALIGN(frame->height / nb_jobs, 1 << s->vsub);
int slice_start = jobnr * slice_h;
int slice_end = (jobnr == nb_jobs - 1) ? frame->height : (jobnr + 1) * slice_h;
int i, j, plane;
const int width = FF_CEIL_RSHIFT(frame->width, s->hsub);
for (plane = 1; plane < 3; plane++) {
for (i = slice_start; i < slice_end; i++) {
uint8_t *p = frame->data[plane] + (i >> s->vsub) * frame->linesize[plane];
for (j = 0; j < width; j++) {
/* 8421367 = ((128 << 1) + 1) << 15. It is an integer
* representation of 128.5. The .5 is for rounding
* purposes. */
*p = ((*p - 128) * s->factor + 8421367) >> 16;
p++;
}
}
}
return 0;
}
static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
{
FadeContext *s = inlink->dst->priv;
uint8_t *p;
int i, j, plane;
AVFilterContext *ctx = inlink->dst;
FadeContext *s = ctx->priv;
double frame_timestamp = frame->pts == AV_NOPTS_VALUE ? -1 : frame->pts * av_q2d(inlink->time_base);
// Calculate Fade assuming this is a Fade In
@ -216,7 +266,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
if (s->factor < UINT16_MAX) {
if (s->alpha) {
// alpha only
plane = s->is_packed_rgb ? 0 : A; // alpha is on plane 0 for packed formats
int plane = s->is_packed_rgb ? 0 : A; // alpha is on plane 0 for packed formats
// or plane 3 for planar formats
fade_plane(0, frame->height, inlink->w,
s->factor, s->black_level, s->black_level_scaled,
@ -225,25 +275,13 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
1, frame->data[plane], frame->linesize[plane]);
} else {
/* luma or rgb plane */
fade_plane(0, frame->height, inlink->w,
s->factor, s->black_level, s->black_level_scaled,
0, 1, // offset & pixstep for Y plane or RGB packed format
s->bpp, frame->data[0], frame->linesize[0]);
ctx->internal->execute(ctx, filter_slice_luma, frame, NULL,
FFMIN(frame->height, ctx->graph->nb_threads));
if (frame->data[1] && frame->data[2]) {
/* chroma planes */
for (plane = 1; plane < 3; plane++) {
for (i = 0; i < frame->height; i++) {
const int width = FF_CEIL_RSHIFT(inlink->w, s->hsub);
p = frame->data[plane] + (i >> s->vsub) * frame->linesize[plane];
for (j = 0; j < width; j++) {
/* 8421367 = ((128 << 1) + 1) << 15. It is an integer
* representation of 128.5. The .5 is for rounding
* purposes. */
*p = ((*p - 128) * s->factor + 8421367) >> 16;
p++;
}
}
}
ctx->internal->execute(ctx, filter_slice_chroma, frame, NULL,
FFMIN(frame->height, ctx->graph->nb_threads));
}
}
}
@ -314,4 +352,5 @@ AVFilter avfilter_vf_fade = {
.inputs = avfilter_vf_fade_inputs,
.outputs = avfilter_vf_fade_outputs,
.flags = AVFILTER_FLAG_SLICE_THREADS,
};

85
libavfilter/vf_yadif.c
View File

@ -31,6 +31,14 @@
#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)])\
@ -172,50 +180,67 @@ static void filter_edges_16bit(void *dst1, void *prev1, void *cur1, void *next1,
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_minus1 + 8) / 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 = FF_CEIL_RSHIFT(w, yadif->csp->log2_chroma_w);
h = FF_CEIL_RSHIFT(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();
@ -484,5 +509,5 @@ AVFilter avfilter_vf_yadif = {
.inputs = avfilter_vf_yadif_inputs,
.outputs = avfilter_vf_yadif_outputs,
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS,
};