mirror of https://github.com/mpv-player/mpv
535 lines
13 KiB
C
535 lines
13 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "config.h"
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#include "mp_msg.h"
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#include "cpudetect.h"
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#include "img_format.h"
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#include "mp_image.h"
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#include "vf.h"
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#include "libvo/fastmemcpy.h"
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struct metrics {
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/* difference: total, even lines, odd lines */
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int d, e, o;
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/* noise: temporal, spacial (current), spacial (past) */
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int t, s, p;
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};
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struct frameinfo {
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/* peak, relative, mean */
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struct metrics p, r, m;
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};
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struct vf_priv_s {
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struct frameinfo fi[2];
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mp_image_t *dmpi;
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int first;
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int drop, lastdrop, dropnext;
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int inframes, outframes;
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};
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enum {
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F_DROP,
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F_MERGE,
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F_NEXT,
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F_SHOW
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};
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#ifdef HAVE_MMX
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static void block_diffs_MMX(struct metrics *m, unsigned char *old, unsigned char *new, int os, int ns)
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{
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int i;
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short out[24]; // output buffer for the partial metrics from the mmx code
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asm (
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"movl $4, %%ecx \n\t"
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"pxor %%mm4, %%mm4 \n\t" // 4 even difference sums
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"pxor %%mm5, %%mm5 \n\t" // 4 odd difference sums
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"pxor %%mm7, %%mm7 \n\t" // all zeros
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ASMALIGN(4)
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"1: \n\t"
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// Even difference
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"movq (%%"REG_S"), %%mm0 \n\t"
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"movq (%%"REG_S"), %%mm2 \n\t"
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"add %%"REG_a", %%"REG_S" \n\t"
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"movq (%%"REG_D"), %%mm1 \n\t"
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"add %%"REG_b", %%"REG_D" \n\t"
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"psubusb %%mm1, %%mm2 \n\t"
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"psubusb %%mm0, %%mm1 \n\t"
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"movq %%mm2, %%mm0 \n\t"
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"movq %%mm1, %%mm3 \n\t"
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"punpcklbw %%mm7, %%mm0 \n\t"
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"punpcklbw %%mm7, %%mm1 \n\t"
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"punpckhbw %%mm7, %%mm2 \n\t"
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"punpckhbw %%mm7, %%mm3 \n\t"
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"paddw %%mm0, %%mm4 \n\t"
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"paddw %%mm1, %%mm4 \n\t"
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"paddw %%mm2, %%mm4 \n\t"
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"paddw %%mm3, %%mm4 \n\t"
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// Odd difference
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"movq (%%"REG_S"), %%mm0 \n\t"
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"movq (%%"REG_S"), %%mm2 \n\t"
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"add %%"REG_a", %%"REG_S" \n\t"
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"movq (%%"REG_D"), %%mm1 \n\t"
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"add %%"REG_b", %%"REG_D" \n\t"
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"psubusb %%mm1, %%mm2 \n\t"
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"psubusb %%mm0, %%mm1 \n\t"
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"movq %%mm2, %%mm0 \n\t"
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"movq %%mm1, %%mm3 \n\t"
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"punpcklbw %%mm7, %%mm0 \n\t"
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"punpcklbw %%mm7, %%mm1 \n\t"
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"punpckhbw %%mm7, %%mm2 \n\t"
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"punpckhbw %%mm7, %%mm3 \n\t"
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"paddw %%mm0, %%mm5 \n\t"
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"paddw %%mm1, %%mm5 \n\t"
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"paddw %%mm2, %%mm5 \n\t"
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"paddw %%mm3, %%mm5 \n\t"
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"decl %%ecx \n\t"
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"jnz 1b \n\t"
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"movq %%mm4, (%%"REG_d") \n\t"
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"movq %%mm5, 8(%%"REG_d") \n\t"
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:
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: "S" (old), "D" (new), "a" (os), "b" (ns), "d" (out)
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: "memory"
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);
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m->e = out[0]+out[1]+out[2]+out[3];
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m->o = out[4]+out[5]+out[6]+out[7];
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m->d = m->e + m->o;
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asm (
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// First loop to measure first four columns
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"movl $4, %%ecx \n\t"
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"pxor %%mm4, %%mm4 \n\t" // Past spacial noise
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"pxor %%mm5, %%mm5 \n\t" // Temporal noise
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"pxor %%mm6, %%mm6 \n\t" // Current spacial noise
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ASMALIGN(4)
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"2: \n\t"
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"movq (%%"REG_S"), %%mm0 \n\t"
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"movq (%%"REG_S",%%"REG_a"), %%mm1 \n\t"
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"add %%"REG_a", %%"REG_S" \n\t"
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"add %%"REG_a", %%"REG_S" \n\t"
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"movq (%%"REG_D"), %%mm2 \n\t"
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"movq (%%"REG_D",%%"REG_b"), %%mm3 \n\t"
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"add %%"REG_b", %%"REG_D" \n\t"
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"add %%"REG_b", %%"REG_D" \n\t"
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"punpcklbw %%mm7, %%mm0 \n\t"
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"punpcklbw %%mm7, %%mm1 \n\t"
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"punpcklbw %%mm7, %%mm2 \n\t"
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"punpcklbw %%mm7, %%mm3 \n\t"
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"paddw %%mm1, %%mm4 \n\t"
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"paddw %%mm1, %%mm5 \n\t"
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"paddw %%mm3, %%mm6 \n\t"
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"psubw %%mm0, %%mm4 \n\t"
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"psubw %%mm2, %%mm5 \n\t"
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"psubw %%mm2, %%mm6 \n\t"
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"decl %%ecx \n\t"
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"jnz 2b \n\t"
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"movq %%mm0, %%mm1 \n\t"
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"movq %%mm0, %%mm2 \n\t"
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"movq %%mm0, %%mm3 \n\t"
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"pcmpgtw %%mm4, %%mm1 \n\t"
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"pcmpgtw %%mm5, %%mm2 \n\t"
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"pcmpgtw %%mm6, %%mm3 \n\t"
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"pxor %%mm1, %%mm4 \n\t"
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"pxor %%mm2, %%mm5 \n\t"
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"pxor %%mm3, %%mm6 \n\t"
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"psubw %%mm1, %%mm4 \n\t"
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"psubw %%mm2, %%mm5 \n\t"
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"psubw %%mm3, %%mm6 \n\t"
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"movq %%mm4, (%%"REG_d") \n\t"
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"movq %%mm5, 16(%%"REG_d") \n\t"
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"movq %%mm6, 32(%%"REG_d") \n\t"
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"mov %%"REG_a", %%"REG_c" \n\t"
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"shl $3, %%"REG_c" \n\t"
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"sub %%"REG_c", %%"REG_S" \n\t"
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"mov %%"REG_b", %%"REG_c" \n\t"
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"shl $3, %%"REG_c" \n\t"
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"sub %%"REG_c", %%"REG_D" \n\t"
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// Second loop for the last four columns
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"movl $4, %%ecx \n\t"
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"pxor %%mm4, %%mm4 \n\t"
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"pxor %%mm5, %%mm5 \n\t"
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"pxor %%mm6, %%mm6 \n\t"
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ASMALIGN(4)
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"3: \n\t"
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"movq (%%"REG_S"), %%mm0 \n\t"
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"movq (%%"REG_S",%%"REG_a"), %%mm1 \n\t"
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"add %%"REG_a", %%"REG_S" \n\t"
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"add %%"REG_a", %%"REG_S" \n\t"
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"movq (%%"REG_D"), %%mm2 \n\t"
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"movq (%%"REG_D",%%"REG_b"), %%mm3 \n\t"
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"add %%"REG_b", %%"REG_D" \n\t"
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"add %%"REG_b", %%"REG_D" \n\t"
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"punpckhbw %%mm7, %%mm0 \n\t"
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"punpckhbw %%mm7, %%mm1 \n\t"
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"punpckhbw %%mm7, %%mm2 \n\t"
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"punpckhbw %%mm7, %%mm3 \n\t"
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"paddw %%mm1, %%mm4 \n\t"
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"paddw %%mm1, %%mm5 \n\t"
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"paddw %%mm3, %%mm6 \n\t"
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"psubw %%mm0, %%mm4 \n\t"
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"psubw %%mm2, %%mm5 \n\t"
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"psubw %%mm2, %%mm6 \n\t"
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"decl %%ecx \n\t"
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"jnz 3b \n\t"
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"movq %%mm0, %%mm1 \n\t"
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"movq %%mm0, %%mm2 \n\t"
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"movq %%mm0, %%mm3 \n\t"
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"pcmpgtw %%mm4, %%mm1 \n\t"
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"pcmpgtw %%mm5, %%mm2 \n\t"
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"pcmpgtw %%mm6, %%mm3 \n\t"
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"pxor %%mm1, %%mm4 \n\t"
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"pxor %%mm2, %%mm5 \n\t"
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"pxor %%mm3, %%mm6 \n\t"
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"psubw %%mm1, %%mm4 \n\t"
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"psubw %%mm2, %%mm5 \n\t"
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"psubw %%mm3, %%mm6 \n\t"
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"movq %%mm4, 8(%%"REG_d") \n\t"
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"movq %%mm5, 24(%%"REG_d") \n\t"
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"movq %%mm6, 40(%%"REG_d") \n\t"
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"emms \n\t"
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:
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: "S" (old), "D" (new), "a" ((long)os), "b" ((long)ns), "d" (out)
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: "memory"
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);
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m->p = m->t = m->s = 0;
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for (i=0; i<8; i++) {
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m->p += out[i];
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m->t += out[8+i];
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m->s += out[16+i];
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}
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//printf("e=%d o=%d d=%d p=%d t=%d s=%d\n", m->e, m->o, m->d, m->p, m->t, m->s);
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}
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#endif
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//#define MAG(a) ((a)*(a))
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//#define MAG(a) (abs(a))
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#define MAG(a) (((a)^((a)>>31))-((a)>>31))
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//#define LOWPASS(s) (((s)[-2] + 4*(s)[-1] + 6*(s)[0] + 4*(s)[1] + (s)[2])>>4)
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//#define LOWPASS(s) (((s)[-1] + 2*(s)[0] + (s)[1])>>2)
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#define LOWPASS(s) ((s)[0])
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static void block_diffs_C(struct metrics *m, unsigned char *old, unsigned char *new, int os, int ns)
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{
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int x, y, e=0, o=0, s=0, p=0, t=0;
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unsigned char *oldp, *newp;
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m->s = m->p = m->t = 0;
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for (x = 8; x; x--) {
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oldp = old++;
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newp = new++;
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s = p = t = 0;
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for (y = 4; y; y--) {
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e += MAG(newp[0]-oldp[0]);
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o += MAG(newp[ns]-oldp[os]);
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s += newp[ns]-newp[0];
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p += oldp[os]-oldp[0];
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t += oldp[os]-newp[0];
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oldp += os<<1;
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newp += ns<<1;
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}
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m->s += MAG(s);
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m->p += MAG(p);
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m->t += MAG(t);
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}
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m->e = e;
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m->o = o;
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m->d = e+o;
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}
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static void (*block_diffs)(struct metrics *, unsigned char *, unsigned char *, int, int);
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#define MAXUP(a,b) ((a) = ((a)>(b)) ? (a) : (b))
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static void diff_planes(struct frameinfo *fi,
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unsigned char *old, unsigned char *new, int w, int h, int os, int ns)
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{
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int x, y;
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struct metrics l;
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struct metrics *peak=&fi->p, *rel=&fi->r, *mean=&fi->m;
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memset(peak, 0, sizeof(struct metrics));
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memset(rel, 0, sizeof(struct metrics));
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memset(mean, 0, sizeof(struct metrics));
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for (y = 0; y < h-7; y += 8) {
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for (x = 8; x < w-8-7; x += 8) {
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block_diffs(&l, old+x+y*os, new+x+y*ns, os, ns);
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mean->d += l.d;
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mean->e += l.e;
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mean->o += l.o;
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mean->s += l.s;
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mean->p += l.p;
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mean->t += l.t;
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MAXUP(peak->d, l.d);
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MAXUP(peak->e, l.e);
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MAXUP(peak->o, l.o);
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MAXUP(peak->s, l.s);
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MAXUP(peak->p, l.p);
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MAXUP(peak->t, l.t);
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MAXUP(rel->e, l.e-l.o);
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MAXUP(rel->o, l.o-l.e);
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MAXUP(rel->s, l.s-l.t);
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MAXUP(rel->p, l.p-l.t);
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MAXUP(rel->t, l.t-l.p);
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MAXUP(rel->d, l.t-l.s); /* hack */
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}
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}
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x = (w/8-2)*(h/8);
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mean->d /= x;
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mean->e /= x;
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mean->o /= x;
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mean->s /= x;
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mean->p /= x;
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mean->t /= x;
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}
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static void diff_fields(struct frameinfo *fi, mp_image_t *old, mp_image_t *new)
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{
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diff_planes(fi, old->planes[0], new->planes[0],
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new->w, new->h, old->stride[0], new->stride[0]);
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}
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static void stats(struct frameinfo *f)
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{
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mp_msg(MSGT_VFILTER, MSGL_V, " pd=%d re=%d ro=%d rp=%d rt=%d rs=%d rd=%d pp=%d pt=%d ps=%d\r",
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f->p.d, f->r.e, f->r.o, f->r.p, f->r.t, f->r.s, f->r.d, f->p.p, f->p.t, f->p.s);
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}
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static int foo(struct vf_priv_s *p, mp_image_t *new, mp_image_t *cur)
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{
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struct frameinfo *f = p->fi;
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f[0] = f[1];
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diff_fields(&f[1], cur, new);
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stats(&f[1]);
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// Immediately drop this frame if it's already been used.
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if (p->dropnext) {
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p->dropnext = 0;
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return F_DROP;
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}
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// Sometimes a pulldown frame comes all by itself, so both
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// its top and bottom field are duplicates from the adjacent
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// two frames. We can just drop such a frame, but we
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// immediately show the next frame instead to keep the frame
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// drops evenly spaced during normal 3:2 pulldown sequences.
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if ((3*f[1].r.o < f[1].r.e) && (f[1].r.s < f[1].r.d)) {
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p->dropnext = 1;
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return F_NEXT;
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}
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// If none of these conditions hold, we will consider the frame
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// progressive and just show it as-is.
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if (!( (3*f[0].r.e < f[0].r.o) ||
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((2*f[0].r.d < f[0].r.s) && (f[0].r.s > 1200)) ||
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((2*f[1].r.t < f[1].r.p) && (f[1].r.p > 1200)) ))
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return F_SHOW;
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// Otherwise, we have to decide whether to merge or drop.
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// If the noise metric only increases minimally, we're off
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// to a good start...
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if (((2*f[1].r.t < 3*f[1].r.p) && (f[1].r.t < 3600)) ||
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(f[1].r.t < 900) || (f[1].r.d < 900)) {
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// ...and if noise decreases or the duplicate even field
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// is detected, we go ahead with the merge.
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if ((3*f[0].r.e < f[0].r.o) || (2*f[1].r.t < f[1].r.p)) {
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p->dropnext = 1;
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return F_MERGE;
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}
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}
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return F_DROP;
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}
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static void copy_image(mp_image_t *dmpi, mp_image_t *mpi, int field)
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{
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switch (field) {
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case 0:
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my_memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h/2,
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dmpi->stride[0]*2, mpi->stride[0]*2);
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if (mpi->flags & MP_IMGFLAG_PLANAR) {
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my_memcpy_pic(dmpi->planes[1], mpi->planes[1],
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mpi->chroma_width, mpi->chroma_height/2,
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dmpi->stride[1]*2, mpi->stride[1]*2);
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my_memcpy_pic(dmpi->planes[2], mpi->planes[2],
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mpi->chroma_width, mpi->chroma_height/2,
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dmpi->stride[2]*2, mpi->stride[2]*2);
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}
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break;
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case 1:
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my_memcpy_pic(dmpi->planes[0]+dmpi->stride[0],
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mpi->planes[0]+mpi->stride[0], mpi->w, mpi->h/2,
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dmpi->stride[0]*2, mpi->stride[0]*2);
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if (mpi->flags & MP_IMGFLAG_PLANAR) {
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my_memcpy_pic(dmpi->planes[1]+dmpi->stride[1],
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mpi->planes[1]+mpi->stride[1],
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mpi->chroma_width, mpi->chroma_height/2,
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dmpi->stride[1]*2, mpi->stride[1]*2);
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my_memcpy_pic(dmpi->planes[2]+dmpi->stride[2],
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mpi->planes[2]+mpi->stride[2],
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mpi->chroma_width, mpi->chroma_height/2,
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dmpi->stride[2]*2, mpi->stride[2]*2);
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}
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break;
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case 2:
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memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h,
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dmpi->stride[0], mpi->stride[0]);
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if (mpi->flags & MP_IMGFLAG_PLANAR) {
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memcpy_pic(dmpi->planes[1], mpi->planes[1],
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mpi->chroma_width, mpi->chroma_height,
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dmpi->stride[1], mpi->stride[1]);
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memcpy_pic(dmpi->planes[2], mpi->planes[2],
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mpi->chroma_width, mpi->chroma_height,
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dmpi->stride[2], mpi->stride[2]);
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}
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break;
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}
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}
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static int do_put_image(struct vf_instance_s* vf, mp_image_t *dmpi)
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{
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struct vf_priv_s *p = vf->priv;
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int dropflag=0;
|
|
|
|
if (!p->dropnext) switch (p->drop) {
|
|
case 0:
|
|
dropflag = 0;
|
|
break;
|
|
case 1:
|
|
dropflag = (++p->lastdrop >= 5);
|
|
break;
|
|
case 2:
|
|
dropflag = (++p->lastdrop >= 5) && (4*p->inframes <= 5*p->outframes);
|
|
break;
|
|
}
|
|
|
|
if (dropflag) {
|
|
//mp_msg(MSGT_VFILTER, MSGL_V, "drop! [%d/%d=%g]\n",
|
|
// p->outframes, p->inframes, (float)p->outframes/p->inframes);
|
|
mp_msg(MSGT_VFILTER, MSGL_V, "!");
|
|
p->lastdrop = 0;
|
|
return 0;
|
|
}
|
|
|
|
p->outframes++;
|
|
return vf_next_put_image(vf, dmpi, MP_NOPTS_VALUE);
|
|
}
|
|
|
|
static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts)
|
|
{
|
|
int ret=0;
|
|
struct vf_priv_s *p = vf->priv;
|
|
|
|
p->inframes++;
|
|
|
|
if (p->first) { /* hack */
|
|
p->first = 0;
|
|
return 1;
|
|
}
|
|
|
|
if (!p->dmpi) p->dmpi = vf_get_image(vf->next, mpi->imgfmt,
|
|
MP_IMGTYPE_STATIC, MP_IMGFLAG_ACCEPT_STRIDE |
|
|
MP_IMGFLAG_PRESERVE | MP_IMGFLAG_READABLE,
|
|
mpi->width, mpi->height);
|
|
/* FIXME -- not correct, off by one frame! */
|
|
p->dmpi->qscale = mpi->qscale;
|
|
p->dmpi->qstride = mpi->qstride;
|
|
p->dmpi->qscale_type = mpi->qscale_type;
|
|
|
|
switch (foo(p, mpi, p->dmpi)) {
|
|
case F_DROP:
|
|
copy_image(p->dmpi, mpi, 2);
|
|
ret = 0;
|
|
p->lastdrop = 0;
|
|
mp_msg(MSGT_VFILTER, MSGL_V, "DROP\n");
|
|
break;
|
|
case F_MERGE:
|
|
copy_image(p->dmpi, mpi, 0);
|
|
ret = do_put_image(vf, p->dmpi);
|
|
copy_image(p->dmpi, mpi, 1);
|
|
mp_msg(MSGT_VFILTER, MSGL_V, "MERGE\n");
|
|
p->dmpi = NULL;
|
|
break;
|
|
case F_NEXT:
|
|
copy_image(p->dmpi, mpi, 2);
|
|
ret = do_put_image(vf, p->dmpi);
|
|
mp_msg(MSGT_VFILTER, MSGL_V, "NEXT\n");
|
|
p->dmpi = NULL;
|
|
break;
|
|
case F_SHOW:
|
|
ret = do_put_image(vf, p->dmpi);
|
|
copy_image(p->dmpi, mpi, 2);
|
|
mp_msg(MSGT_VFILTER, MSGL_V, "OK\n");
|
|
p->dmpi = NULL;
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int query_format(struct vf_instance_s* vf, unsigned int fmt)
|
|
{
|
|
switch (fmt) {
|
|
case IMGFMT_YV12:
|
|
case IMGFMT_IYUV:
|
|
case IMGFMT_I420:
|
|
return vf_next_query_format(vf, fmt);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void uninit(struct vf_instance_s* vf)
|
|
{
|
|
free(vf->priv);
|
|
}
|
|
|
|
static int open(vf_instance_t *vf, char* args)
|
|
{
|
|
struct vf_priv_s *p;
|
|
vf->put_image = put_image;
|
|
vf->query_format = query_format;
|
|
vf->uninit = uninit;
|
|
vf->default_reqs = VFCAP_ACCEPT_STRIDE;
|
|
vf->priv = p = calloc(1, sizeof(struct vf_priv_s));
|
|
p->drop = 0;
|
|
p->first = 1;
|
|
if (args) sscanf(args, "%d", &p->drop);
|
|
block_diffs = block_diffs_C;
|
|
#ifdef HAVE_MMX
|
|
if(gCpuCaps.hasMMX) block_diffs = block_diffs_MMX;
|
|
#endif
|
|
return 1;
|
|
}
|
|
|
|
vf_info_t vf_info_ivtc = {
|
|
"inverse telecine, take 2",
|
|
"ivtc",
|
|
"Rich Felker",
|
|
"",
|
|
open,
|
|
NULL
|
|
};
|
|
|
|
|