mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-07 11:13:41 +02:00
823 lines
22 KiB
C
823 lines
22 KiB
C
/*
|
|
* This file is part of MPlayer.
|
|
*
|
|
* MPlayer 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.
|
|
*
|
|
* MPlayer 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.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "config.h"
|
|
#include "pullup.h"
|
|
#include "cpudetect.h"
|
|
|
|
|
|
|
|
#if ARCH_X86
|
|
#if HAVE_MMX
|
|
static int diff_y_mmx(unsigned char *a, unsigned char *b, int s)
|
|
{
|
|
int ret;
|
|
__asm__ volatile (
|
|
"movl $4, %%ecx \n\t"
|
|
"pxor %%mm4, %%mm4 \n\t"
|
|
"pxor %%mm7, %%mm7 \n\t"
|
|
|
|
"1: \n\t"
|
|
|
|
"movq (%%"REG_S"), %%mm0 \n\t"
|
|
"movq (%%"REG_S"), %%mm2 \n\t"
|
|
"add %%"REG_a", %%"REG_S" \n\t"
|
|
"movq (%%"REG_D"), %%mm1 \n\t"
|
|
"add %%"REG_a", %%"REG_D" \n\t"
|
|
"psubusb %%mm1, %%mm2 \n\t"
|
|
"psubusb %%mm0, %%mm1 \n\t"
|
|
"movq %%mm2, %%mm0 \n\t"
|
|
"movq %%mm1, %%mm3 \n\t"
|
|
"punpcklbw %%mm7, %%mm0 \n\t"
|
|
"punpcklbw %%mm7, %%mm1 \n\t"
|
|
"punpckhbw %%mm7, %%mm2 \n\t"
|
|
"punpckhbw %%mm7, %%mm3 \n\t"
|
|
"paddw %%mm0, %%mm4 \n\t"
|
|
"paddw %%mm1, %%mm4 \n\t"
|
|
"paddw %%mm2, %%mm4 \n\t"
|
|
"paddw %%mm3, %%mm4 \n\t"
|
|
|
|
"decl %%ecx \n\t"
|
|
"jnz 1b \n\t"
|
|
|
|
"movq %%mm4, %%mm3 \n\t"
|
|
"punpcklwd %%mm7, %%mm4 \n\t"
|
|
"punpckhwd %%mm7, %%mm3 \n\t"
|
|
"paddd %%mm4, %%mm3 \n\t"
|
|
"movd %%mm3, %%eax \n\t"
|
|
"psrlq $32, %%mm3 \n\t"
|
|
"movd %%mm3, %%edx \n\t"
|
|
"addl %%edx, %%eax \n\t"
|
|
"emms \n\t"
|
|
: "=a" (ret)
|
|
: "S" (a), "D" (b), "a" (s)
|
|
: "%ecx", "%edx"
|
|
);
|
|
return ret;
|
|
}
|
|
|
|
static int licomb_y_mmx(unsigned char *a, unsigned char *b, int s)
|
|
{
|
|
int ret;
|
|
__asm__ volatile (
|
|
"movl $4, %%ecx \n\t"
|
|
"pxor %%mm6, %%mm6 \n\t"
|
|
"pxor %%mm7, %%mm7 \n\t"
|
|
"sub %%"REG_a", %%"REG_D" \n\t"
|
|
|
|
"2: \n\t"
|
|
|
|
"movq (%%"REG_D"), %%mm0 \n\t"
|
|
"movq (%%"REG_D"), %%mm1 \n\t"
|
|
"punpcklbw %%mm7, %%mm0 \n\t"
|
|
"movq (%%"REG_D",%%"REG_a"), %%mm2 \n\t"
|
|
"punpcklbw %%mm7, %%mm1 \n\t"
|
|
"punpcklbw %%mm7, %%mm2 \n\t"
|
|
"paddw %%mm0, %%mm0 \n\t"
|
|
"paddw %%mm2, %%mm1 \n\t"
|
|
"movq %%mm0, %%mm2 \n\t"
|
|
"psubusw %%mm1, %%mm0 \n\t"
|
|
"psubusw %%mm2, %%mm1 \n\t"
|
|
"paddw %%mm0, %%mm6 \n\t"
|
|
"paddw %%mm1, %%mm6 \n\t"
|
|
|
|
"movq (%%"REG_S"), %%mm0 \n\t"
|
|
"movq (%%"REG_D"), %%mm1 \n\t"
|
|
"punpckhbw %%mm7, %%mm0 \n\t"
|
|
"movq (%%"REG_D",%%"REG_a"), %%mm2 \n\t"
|
|
"punpckhbw %%mm7, %%mm1 \n\t"
|
|
"punpckhbw %%mm7, %%mm2 \n\t"
|
|
"paddw %%mm0, %%mm0 \n\t"
|
|
"paddw %%mm2, %%mm1 \n\t"
|
|
"movq %%mm0, %%mm2 \n\t"
|
|
"psubusw %%mm1, %%mm0 \n\t"
|
|
"psubusw %%mm2, %%mm1 \n\t"
|
|
"paddw %%mm0, %%mm6 \n\t"
|
|
"paddw %%mm1, %%mm6 \n\t"
|
|
|
|
"movq (%%"REG_D",%%"REG_a"), %%mm0 \n\t"
|
|
"movq (%%"REG_S"), %%mm1 \n\t"
|
|
"punpcklbw %%mm7, %%mm0 \n\t"
|
|
"movq (%%"REG_S",%%"REG_a"), %%mm2 \n\t"
|
|
"punpcklbw %%mm7, %%mm1 \n\t"
|
|
"punpcklbw %%mm7, %%mm2 \n\t"
|
|
"paddw %%mm0, %%mm0 \n\t"
|
|
"paddw %%mm2, %%mm1 \n\t"
|
|
"movq %%mm0, %%mm2 \n\t"
|
|
"psubusw %%mm1, %%mm0 \n\t"
|
|
"psubusw %%mm2, %%mm1 \n\t"
|
|
"paddw %%mm0, %%mm6 \n\t"
|
|
"paddw %%mm1, %%mm6 \n\t"
|
|
|
|
"movq (%%"REG_D",%%"REG_a"), %%mm0 \n\t"
|
|
"movq (%%"REG_S"), %%mm1 \n\t"
|
|
"punpckhbw %%mm7, %%mm0 \n\t"
|
|
"movq (%%"REG_S",%%"REG_a"), %%mm2 \n\t"
|
|
"punpckhbw %%mm7, %%mm1 \n\t"
|
|
"punpckhbw %%mm7, %%mm2 \n\t"
|
|
"paddw %%mm0, %%mm0 \n\t"
|
|
"paddw %%mm2, %%mm1 \n\t"
|
|
"movq %%mm0, %%mm2 \n\t"
|
|
"psubusw %%mm1, %%mm0 \n\t"
|
|
"psubusw %%mm2, %%mm1 \n\t"
|
|
"paddw %%mm0, %%mm6 \n\t"
|
|
"paddw %%mm1, %%mm6 \n\t"
|
|
|
|
"add %%"REG_a", %%"REG_S" \n\t"
|
|
"add %%"REG_a", %%"REG_D" \n\t"
|
|
"decl %%ecx \n\t"
|
|
"jnz 2b \n\t"
|
|
|
|
"movq %%mm6, %%mm5 \n\t"
|
|
"punpcklwd %%mm7, %%mm6 \n\t"
|
|
"punpckhwd %%mm7, %%mm5 \n\t"
|
|
"paddd %%mm6, %%mm5 \n\t"
|
|
"movd %%mm5, %%eax \n\t"
|
|
"psrlq $32, %%mm5 \n\t"
|
|
"movd %%mm5, %%edx \n\t"
|
|
"addl %%edx, %%eax \n\t"
|
|
|
|
"emms \n\t"
|
|
: "=a" (ret)
|
|
: "S" (a), "D" (b), "a" (s)
|
|
: "%ecx", "%edx"
|
|
);
|
|
return ret;
|
|
}
|
|
|
|
static int var_y_mmx(unsigned char *a, unsigned char *b, int s)
|
|
{
|
|
int ret;
|
|
__asm__ volatile (
|
|
"movl $3, %%ecx \n\t"
|
|
"pxor %%mm4, %%mm4 \n\t"
|
|
"pxor %%mm7, %%mm7 \n\t"
|
|
|
|
"1: \n\t"
|
|
|
|
"movq (%%"REG_S"), %%mm0 \n\t"
|
|
"movq (%%"REG_S"), %%mm2 \n\t"
|
|
"movq (%%"REG_S",%%"REG_a"), %%mm1 \n\t"
|
|
"add %%"REG_a", %%"REG_S" \n\t"
|
|
"psubusb %%mm1, %%mm2 \n\t"
|
|
"psubusb %%mm0, %%mm1 \n\t"
|
|
"movq %%mm2, %%mm0 \n\t"
|
|
"movq %%mm1, %%mm3 \n\t"
|
|
"punpcklbw %%mm7, %%mm0 \n\t"
|
|
"punpcklbw %%mm7, %%mm1 \n\t"
|
|
"punpckhbw %%mm7, %%mm2 \n\t"
|
|
"punpckhbw %%mm7, %%mm3 \n\t"
|
|
"paddw %%mm0, %%mm4 \n\t"
|
|
"paddw %%mm1, %%mm4 \n\t"
|
|
"paddw %%mm2, %%mm4 \n\t"
|
|
"paddw %%mm3, %%mm4 \n\t"
|
|
|
|
"decl %%ecx \n\t"
|
|
"jnz 1b \n\t"
|
|
|
|
"movq %%mm4, %%mm3 \n\t"
|
|
"punpcklwd %%mm7, %%mm4 \n\t"
|
|
"punpckhwd %%mm7, %%mm3 \n\t"
|
|
"paddd %%mm4, %%mm3 \n\t"
|
|
"movd %%mm3, %%eax \n\t"
|
|
"psrlq $32, %%mm3 \n\t"
|
|
"movd %%mm3, %%edx \n\t"
|
|
"addl %%edx, %%eax \n\t"
|
|
"emms \n\t"
|
|
: "=a" (ret)
|
|
: "S" (a), "a" (s)
|
|
: "%ecx", "%edx"
|
|
);
|
|
return 4*ret;
|
|
}
|
|
#endif
|
|
#endif
|
|
|
|
#define ABS(a) (((a)^((a)>>31))-((a)>>31))
|
|
|
|
static int diff_y(unsigned char *a, unsigned char *b, int s)
|
|
{
|
|
int i, j, diff=0;
|
|
for (i=4; i; i--) {
|
|
for (j=0; j<8; j++) diff += ABS(a[j]-b[j]);
|
|
a+=s; b+=s;
|
|
}
|
|
return diff;
|
|
}
|
|
|
|
static int licomb_y(unsigned char *a, unsigned char *b, int s)
|
|
{
|
|
int i, j, diff=0;
|
|
for (i=4; i; i--) {
|
|
for (j=0; j<8; j++)
|
|
diff += ABS((a[j]<<1) - b[j-s] - b[j])
|
|
+ ABS((b[j]<<1) - a[j] - a[j+s]);
|
|
a+=s; b+=s;
|
|
}
|
|
return diff;
|
|
}
|
|
|
|
#if 0
|
|
static int qpcomb_y(unsigned char *a, unsigned char *b, int s)
|
|
{
|
|
int i, j, diff=0;
|
|
for (i=4; i; i--) {
|
|
for (j=0; j<8; j++)
|
|
diff += ABS(a[j] - 3*b[j-s] + 3*a[j+s] - b[j]);
|
|
a+=s; b+=s;
|
|
}
|
|
return diff;
|
|
}
|
|
|
|
static int licomb_y_test(unsigned char *a, unsigned char *b, int s)
|
|
{
|
|
int c = licomb_y(a,b,s);
|
|
int m = licomb_y_mmx(a,b,s);
|
|
if (c != m) printf("%d != %d\n", c, m);
|
|
return m;
|
|
}
|
|
#endif
|
|
|
|
static int var_y(unsigned char *a, unsigned char *b, int s)
|
|
{
|
|
int i, j, var=0;
|
|
for (i=3; i; i--) {
|
|
for (j=0; j<8; j++) {
|
|
var += ABS(a[j]-a[j+s]);
|
|
}
|
|
a+=s; b+=s;
|
|
}
|
|
return 4*var; /* match comb scaling */
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static void alloc_buffer(struct pullup_context *c, struct pullup_buffer *b)
|
|
{
|
|
int i;
|
|
if (b->planes) return;
|
|
b->planes = calloc(c->nplanes, sizeof(unsigned char *));
|
|
for (i = 0; i < c->nplanes; i++) {
|
|
b->planes[i] = malloc(c->h[i]*c->stride[i]);
|
|
/* Deal with idiotic 128=0 for chroma: */
|
|
memset(b->planes[i], c->background[i], c->h[i]*c->stride[i]);
|
|
}
|
|
}
|
|
|
|
struct pullup_buffer *pullup_lock_buffer(struct pullup_buffer *b, int parity)
|
|
{
|
|
if (!b) return 0;
|
|
if ((parity+1) & 1) b->lock[0]++;
|
|
if ((parity+1) & 2) b->lock[1]++;
|
|
return b;
|
|
}
|
|
|
|
void pullup_release_buffer(struct pullup_buffer *b, int parity)
|
|
{
|
|
if (!b) return;
|
|
if ((parity+1) & 1) b->lock[0]--;
|
|
if ((parity+1) & 2) b->lock[1]--;
|
|
}
|
|
|
|
struct pullup_buffer *pullup_get_buffer(struct pullup_context *c, int parity)
|
|
{
|
|
int i;
|
|
|
|
/* Try first to get the sister buffer for the previous field */
|
|
if (parity < 2 && c->last && parity != c->last->parity
|
|
&& !c->last->buffer->lock[parity]) {
|
|
alloc_buffer(c, c->last->buffer);
|
|
return pullup_lock_buffer(c->last->buffer, parity);
|
|
}
|
|
|
|
/* Prefer a buffer with both fields open */
|
|
for (i = 0; i < c->nbuffers; i++) {
|
|
if (c->buffers[i].lock[0]) continue;
|
|
if (c->buffers[i].lock[1]) continue;
|
|
alloc_buffer(c, &c->buffers[i]);
|
|
return pullup_lock_buffer(&c->buffers[i], parity);
|
|
}
|
|
|
|
if (parity == 2) return 0;
|
|
|
|
/* Search for any half-free buffer */
|
|
for (i = 0; i < c->nbuffers; i++) {
|
|
if (((parity+1) & 1) && c->buffers[i].lock[0]) continue;
|
|
if (((parity+1) & 2) && c->buffers[i].lock[1]) continue;
|
|
alloc_buffer(c, &c->buffers[i]);
|
|
return pullup_lock_buffer(&c->buffers[i], parity);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static void compute_metric(struct pullup_context *c,
|
|
struct pullup_field *fa, int pa,
|
|
struct pullup_field *fb, int pb,
|
|
int (*func)(unsigned char *, unsigned char *, int), int *dest)
|
|
{
|
|
unsigned char *a, *b;
|
|
int x, y;
|
|
int mp = c->metric_plane;
|
|
int xstep = c->bpp[mp];
|
|
int ystep = c->stride[mp]<<3;
|
|
int s = c->stride[mp]<<1; /* field stride */
|
|
int w = c->metric_w*xstep;
|
|
|
|
if (!fa->buffer || !fb->buffer) return;
|
|
|
|
/* Shortcut for duplicate fields (e.g. from RFF flag) */
|
|
if (fa->buffer == fb->buffer && pa == pb) {
|
|
memset(dest, 0, c->metric_len * sizeof(int));
|
|
return;
|
|
}
|
|
|
|
a = fa->buffer->planes[mp] + pa * c->stride[mp] + c->metric_offset;
|
|
b = fb->buffer->planes[mp] + pb * c->stride[mp] + c->metric_offset;
|
|
|
|
for (y = c->metric_h; y; y--) {
|
|
for (x = 0; x < w; x += xstep) {
|
|
*dest++ = func(a + x, b + x, s);
|
|
}
|
|
a += ystep; b += ystep;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void alloc_metrics(struct pullup_context *c, struct pullup_field *f)
|
|
{
|
|
f->diffs = calloc(c->metric_len, sizeof(int));
|
|
f->comb = calloc(c->metric_len, sizeof(int));
|
|
f->var = calloc(c->metric_len, sizeof(int));
|
|
/* add more metrics here as needed */
|
|
}
|
|
|
|
static struct pullup_field *make_field_queue(struct pullup_context *c, int len)
|
|
{
|
|
struct pullup_field *head, *f;
|
|
f = head = calloc(1, sizeof(struct pullup_field));
|
|
alloc_metrics(c, f);
|
|
for (; len > 0; len--) {
|
|
f->next = calloc(1, sizeof(struct pullup_field));
|
|
f->next->prev = f;
|
|
f = f->next;
|
|
alloc_metrics(c, f);
|
|
}
|
|
f->next = head;
|
|
head->prev = f;
|
|
return head;
|
|
}
|
|
|
|
static void check_field_queue(struct pullup_context *c)
|
|
{
|
|
if (c->head->next == c->first) {
|
|
struct pullup_field *f = calloc(1, sizeof(struct pullup_field));
|
|
alloc_metrics(c, f);
|
|
f->prev = c->head;
|
|
f->next = c->first;
|
|
c->head->next = f;
|
|
c->first->prev = f;
|
|
}
|
|
}
|
|
|
|
void pullup_submit_field(struct pullup_context *c, struct pullup_buffer *b, int parity)
|
|
{
|
|
struct pullup_field *f;
|
|
|
|
/* Grow the circular list if needed */
|
|
check_field_queue(c);
|
|
|
|
/* Cannot have two fields of same parity in a row; drop the new one */
|
|
if (c->last && c->last->parity == parity) return;
|
|
|
|
f = c->head;
|
|
f->parity = parity;
|
|
f->buffer = pullup_lock_buffer(b, parity);
|
|
f->flags = 0;
|
|
f->breaks = 0;
|
|
f->affinity = 0;
|
|
|
|
compute_metric(c, f, parity, f->prev->prev, parity, c->diff, f->diffs);
|
|
compute_metric(c, parity?f->prev:f, 0, parity?f:f->prev, 1, c->comb, f->comb);
|
|
compute_metric(c, f, parity, f, -1, c->var, f->var);
|
|
|
|
/* Advance the circular list */
|
|
if (!c->first) c->first = c->head;
|
|
c->last = c->head;
|
|
c->head = c->head->next;
|
|
}
|
|
|
|
void pullup_flush_fields(struct pullup_context *c)
|
|
{
|
|
struct pullup_field *f;
|
|
|
|
for (f = c->first; f && f != c->head; f = f->next) {
|
|
pullup_release_buffer(f->buffer, f->parity);
|
|
f->buffer = 0;
|
|
}
|
|
c->first = c->last = 0;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#define F_HAVE_BREAKS 1
|
|
#define F_HAVE_AFFINITY 2
|
|
|
|
|
|
#define BREAK_LEFT 1
|
|
#define BREAK_RIGHT 2
|
|
|
|
|
|
|
|
|
|
static int queue_length(struct pullup_field *begin, struct pullup_field *end)
|
|
{
|
|
int count = 1;
|
|
struct pullup_field *f;
|
|
|
|
if (!begin || !end) return 0;
|
|
for (f = begin; f != end; f = f->next) count++;
|
|
return count;
|
|
}
|
|
|
|
static int find_first_break(struct pullup_field *f, int max)
|
|
{
|
|
int i;
|
|
for (i = 0; i < max; i++) {
|
|
if (f->breaks & BREAK_RIGHT || f->next->breaks & BREAK_LEFT)
|
|
return i+1;
|
|
f = f->next;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void compute_breaks(struct pullup_context *c, struct pullup_field *f0)
|
|
{
|
|
int i;
|
|
struct pullup_field *f1 = f0->next;
|
|
struct pullup_field *f2 = f1->next;
|
|
struct pullup_field *f3 = f2->next;
|
|
int l, max_l=0, max_r=0;
|
|
//struct pullup_field *ff;
|
|
//for (i=0, ff=c->first; ff != f0; i++, ff=ff->next);
|
|
|
|
if (f0->flags & F_HAVE_BREAKS) return;
|
|
//printf("\n%d: ", i);
|
|
f0->flags |= F_HAVE_BREAKS;
|
|
|
|
/* Special case when fields are 100% identical */
|
|
if (f0->buffer == f2->buffer && f1->buffer != f3->buffer) {
|
|
f2->breaks |= BREAK_RIGHT;
|
|
return;
|
|
}
|
|
if (f0->buffer != f2->buffer && f1->buffer == f3->buffer) {
|
|
f1->breaks |= BREAK_LEFT;
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i < c->metric_len; i++) {
|
|
l = f2->diffs[i] - f3->diffs[i];
|
|
if (l > max_l) max_l = l;
|
|
if (-l > max_r) max_r = -l;
|
|
}
|
|
/* Don't get tripped up when differences are mostly quant error */
|
|
//printf("%d %d\n", max_l, max_r);
|
|
if (max_l + max_r < 128) return;
|
|
if (max_l > 4*max_r) f1->breaks |= BREAK_LEFT;
|
|
if (max_r > 4*max_l) f2->breaks |= BREAK_RIGHT;
|
|
}
|
|
|
|
static void compute_affinity(struct pullup_context *c, struct pullup_field *f)
|
|
{
|
|
int i;
|
|
int max_l=0, max_r=0, l;
|
|
if (f->flags & F_HAVE_AFFINITY) return;
|
|
f->flags |= F_HAVE_AFFINITY;
|
|
if (f->buffer == f->next->next->buffer) {
|
|
f->affinity = 1;
|
|
f->next->affinity = 0;
|
|
f->next->next->affinity = -1;
|
|
f->next->flags |= F_HAVE_AFFINITY;
|
|
f->next->next->flags |= F_HAVE_AFFINITY;
|
|
return;
|
|
}
|
|
if (1) {
|
|
for (i = 0; i < c->metric_len; i++) {
|
|
int lv = f->prev->var[i];
|
|
int rv = f->next->var[i];
|
|
int v = f->var[i];
|
|
int lc = f->comb[i] - (v+lv) + ABS(v-lv);
|
|
int rc = f->next->comb[i] - (v+rv) + ABS(v-rv);
|
|
lc = lc>0 ? lc : 0;
|
|
rc = rc>0 ? rc : 0;
|
|
l = lc - rc;
|
|
if (l > max_l) max_l = l;
|
|
if (-l > max_r) max_r = -l;
|
|
}
|
|
if (max_l + max_r < 64) return;
|
|
if (max_r > 6*max_l) f->affinity = -1;
|
|
else if (max_l > 6*max_r) f->affinity = 1;
|
|
} else {
|
|
for (i = 0; i < c->metric_len; i++) {
|
|
l = f->comb[i] - f->next->comb[i];
|
|
if (l > max_l) max_l = l;
|
|
if (-l > max_r) max_r = -l;
|
|
}
|
|
if (max_l + max_r < 64) return;
|
|
if (max_r > 2*max_l) f->affinity = -1;
|
|
else if (max_l > 2*max_r) f->affinity = 1;
|
|
}
|
|
}
|
|
|
|
static void foo(struct pullup_context *c)
|
|
{
|
|
struct pullup_field *f = c->first;
|
|
int i, n = queue_length(f, c->last);
|
|
for (i = 0; i < n-1; i++) {
|
|
if (i < n-3) compute_breaks(c, f);
|
|
compute_affinity(c, f);
|
|
f = f->next;
|
|
}
|
|
}
|
|
|
|
static int decide_frame_length(struct pullup_context *c)
|
|
{
|
|
struct pullup_field *f0 = c->first;
|
|
struct pullup_field *f1 = f0->next;
|
|
struct pullup_field *f2 = f1->next;
|
|
int l;
|
|
|
|
if (queue_length(c->first, c->last) < 4) return 0;
|
|
foo(c);
|
|
|
|
if (f0->affinity == -1) return 1;
|
|
|
|
l = find_first_break(f0, 3);
|
|
if (l == 1 && c->strict_breaks < 0) l = 0;
|
|
|
|
switch (l) {
|
|
case 1:
|
|
if (c->strict_breaks < 1 && f0->affinity == 1 && f1->affinity == -1)
|
|
return 2;
|
|
else return 1;
|
|
case 2:
|
|
/* FIXME: strictly speaking, f0->prev is no longer valid... :) */
|
|
if (c->strict_pairs
|
|
&& (f0->prev->breaks & BREAK_RIGHT) && (f2->breaks & BREAK_LEFT)
|
|
&& (f0->affinity != 1 || f1->affinity != -1) )
|
|
return 1;
|
|
if (f1->affinity == 1) return 1;
|
|
else return 2;
|
|
case 3:
|
|
if (f2->affinity == 1) return 2;
|
|
else return 3;
|
|
default:
|
|
/* 9 possibilities covered before switch */
|
|
if (f1->affinity == 1) return 1; /* covers 6 */
|
|
else if (f1->affinity == -1) return 2; /* covers 6 */
|
|
else if (f2->affinity == -1) { /* covers 2 */
|
|
if (f0->affinity == 1) return 3;
|
|
else return 1;
|
|
}
|
|
else return 2; /* the remaining 6 */
|
|
}
|
|
}
|
|
|
|
|
|
static void print_aff_and_breaks(struct pullup_context *c, struct pullup_field *f)
|
|
{
|
|
int i;
|
|
struct pullup_field *f0 = f;
|
|
const char aff_l[] = "+..", aff_r[] = "..+";
|
|
printf("\naffinity: ");
|
|
for (i = 0; i < 4; i++) {
|
|
printf("%c%d%c", aff_l[1+f->affinity], i, aff_r[1+f->affinity]);
|
|
f = f->next;
|
|
}
|
|
f = f0;
|
|
printf("\nbreaks: ");
|
|
for (i=0; i<4; i++) {
|
|
printf("%c%d%c", f->breaks & BREAK_LEFT ? '|' : '.', i, f->breaks & BREAK_RIGHT ? '|' : '.');
|
|
f = f->next;
|
|
}
|
|
printf("\n");
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
struct pullup_frame *pullup_get_frame(struct pullup_context *c)
|
|
{
|
|
int i;
|
|
struct pullup_frame *fr = c->frame;
|
|
int n = decide_frame_length(c);
|
|
int aff = c->first->next->affinity;
|
|
|
|
if (!n) return 0;
|
|
if (fr->lock) return 0;
|
|
|
|
if (c->verbose) {
|
|
print_aff_and_breaks(c, c->first);
|
|
printf("duration: %d \n", n);
|
|
}
|
|
|
|
fr->lock++;
|
|
fr->length = n;
|
|
fr->parity = c->first->parity;
|
|
fr->buffer = 0;
|
|
for (i = 0; i < n; i++) {
|
|
/* We cheat and steal the buffer without release+relock */
|
|
fr->ifields[i] = c->first->buffer;
|
|
c->first->buffer = 0;
|
|
c->first = c->first->next;
|
|
}
|
|
|
|
if (n == 1) {
|
|
fr->ofields[fr->parity] = fr->ifields[0];
|
|
fr->ofields[fr->parity^1] = 0;
|
|
} else if (n == 2) {
|
|
fr->ofields[fr->parity] = fr->ifields[0];
|
|
fr->ofields[fr->parity^1] = fr->ifields[1];
|
|
} else if (n == 3) {
|
|
if (aff == 0)
|
|
aff = (fr->ifields[0] == fr->ifields[1]) ? -1 : 1;
|
|
/* else if (c->verbose) printf("forced aff: %d \n", aff); */
|
|
fr->ofields[fr->parity] = fr->ifields[1+aff];
|
|
fr->ofields[fr->parity^1] = fr->ifields[1];
|
|
}
|
|
pullup_lock_buffer(fr->ofields[0], 0);
|
|
pullup_lock_buffer(fr->ofields[1], 1);
|
|
|
|
if (fr->ofields[0] == fr->ofields[1]) {
|
|
fr->buffer = fr->ofields[0];
|
|
pullup_lock_buffer(fr->buffer, 2);
|
|
return fr;
|
|
}
|
|
return fr;
|
|
}
|
|
|
|
static void copy_field(struct pullup_context *c, struct pullup_buffer *dest,
|
|
struct pullup_buffer *src, int parity)
|
|
{
|
|
int i, j;
|
|
unsigned char *d, *s;
|
|
for (i = 0; i < c->nplanes; i++) {
|
|
s = src->planes[i] + parity*c->stride[i];
|
|
d = dest->planes[i] + parity*c->stride[i];
|
|
for (j = c->h[i]>>1; j; j--) {
|
|
memcpy(d, s, c->stride[i]);
|
|
s += c->stride[i]<<1;
|
|
d += c->stride[i]<<1;
|
|
}
|
|
}
|
|
}
|
|
|
|
void pullup_pack_frame(struct pullup_context *c, struct pullup_frame *fr)
|
|
{
|
|
int i;
|
|
if (fr->buffer) return;
|
|
if (fr->length < 2) return; /* FIXME: deal with this */
|
|
for (i = 0; i < 2; i++)
|
|
{
|
|
if (fr->ofields[i]->lock[i^1]) continue;
|
|
fr->buffer = fr->ofields[i];
|
|
pullup_lock_buffer(fr->buffer, 2);
|
|
copy_field(c, fr->buffer, fr->ofields[i^1], i^1);
|
|
return;
|
|
}
|
|
fr->buffer = pullup_get_buffer(c, 2);
|
|
copy_field(c, fr->buffer, fr->ofields[0], 0);
|
|
copy_field(c, fr->buffer, fr->ofields[1], 1);
|
|
}
|
|
|
|
void pullup_release_frame(struct pullup_frame *fr)
|
|
{
|
|
int i;
|
|
for (i = 0; i < fr->length; i++)
|
|
pullup_release_buffer(fr->ifields[i], fr->parity ^ (i&1));
|
|
pullup_release_buffer(fr->ofields[0], 0);
|
|
pullup_release_buffer(fr->ofields[1], 1);
|
|
if (fr->buffer) pullup_release_buffer(fr->buffer, 2);
|
|
fr->lock--;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
struct pullup_context *pullup_alloc_context(void)
|
|
{
|
|
struct pullup_context *c;
|
|
|
|
c = calloc(1, sizeof(struct pullup_context));
|
|
|
|
return c;
|
|
}
|
|
|
|
void pullup_preinit_context(struct pullup_context *c)
|
|
{
|
|
c->bpp = calloc(c->nplanes, sizeof(int));
|
|
c->w = calloc(c->nplanes, sizeof(int));
|
|
c->h = calloc(c->nplanes, sizeof(int));
|
|
c->stride = calloc(c->nplanes, sizeof(int));
|
|
c->background = calloc(c->nplanes, sizeof(int));
|
|
}
|
|
|
|
void pullup_init_context(struct pullup_context *c)
|
|
{
|
|
int mp = c->metric_plane;
|
|
if (c->nbuffers < 10) c->nbuffers = 10;
|
|
c->buffers = calloc(c->nbuffers, sizeof (struct pullup_buffer));
|
|
|
|
c->metric_w = (c->w[mp] - ((c->junk_left + c->junk_right) << 3)) >> 3;
|
|
c->metric_h = (c->h[mp] - ((c->junk_top + c->junk_bottom) << 1)) >> 3;
|
|
c->metric_offset = c->junk_left*c->bpp[mp] + (c->junk_top<<1)*c->stride[mp];
|
|
c->metric_len = c->metric_w * c->metric_h;
|
|
|
|
c->head = make_field_queue(c, 8);
|
|
|
|
c->frame = calloc(1, sizeof (struct pullup_frame));
|
|
c->frame->ifields = calloc(3, sizeof (struct pullup_buffer *));
|
|
|
|
switch(c->format) {
|
|
case PULLUP_FMT_Y:
|
|
c->diff = diff_y;
|
|
c->comb = licomb_y;
|
|
c->var = var_y;
|
|
#if ARCH_X86
|
|
#if HAVE_MMX
|
|
if (c->cpu & PULLUP_CPU_MMX) {
|
|
c->diff = diff_y_mmx;
|
|
c->comb = licomb_y_mmx;
|
|
c->var = var_y_mmx;
|
|
}
|
|
#endif
|
|
#endif
|
|
/* c->comb = qpcomb_y; */
|
|
break;
|
|
#if 0
|
|
case PULLUP_FMT_YUY2:
|
|
c->diff = diff_yuy2;
|
|
break;
|
|
case PULLUP_FMT_RGB32:
|
|
c->diff = diff_rgb32;
|
|
break;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void pullup_free_context(struct pullup_context *c)
|
|
{
|
|
struct pullup_field *f;
|
|
free(c->buffers);
|
|
f = c->head;
|
|
do {
|
|
if (!f) break;
|
|
free(f->diffs);
|
|
free(f->comb);
|
|
f = f->next;
|
|
free(f->prev);
|
|
} while (f != c->head);
|
|
free(c->frame);
|
|
free(c);
|
|
}
|