* Copyright (c) 2000, 2001 Fabrice Bellard
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg 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,
+ * FFmpeg 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
*/
#include "libavutil/attributes.h"
+#include "libavutil/internal.h"
#include "avcodec.h"
#include "copy_block.h"
-#include "dct.h"
#include "dsputil.h"
#include "simple_idct.h"
-#include "faandct.h"
#include "mpegvideo.h"
#include "config.h"
uint32_t ff_square_tab[512] = { 0, };
-#define BIT_DEPTH 16
-#include "dsputilenc_template.c"
-#undef BIT_DEPTH
-
-#define BIT_DEPTH 8
-#include "dsputilenc_template.c"
-
static int sse4_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
int line_size, int h)
{
return s;
}
-static void diff_pixels_c(int16_t *restrict block, const uint8_t *s1,
- const uint8_t *s2, int stride)
-{
- int i;
-
- /* read the pixels */
- for (i = 0; i < 8; i++) {
- block[0] = s1[0] - s2[0];
- block[1] = s1[1] - s2[1];
- block[2] = s1[2] - s2[2];
- block[3] = s1[3] - s2[3];
- block[4] = s1[4] - s2[4];
- block[5] = s1[5] - s2[5];
- block[6] = s1[6] - s2[6];
- block[7] = s1[7] - s2[7];
- s1 += stride;
- s2 += stride;
- block += 8;
- }
-}
-
static int sum_abs_dctelem_c(int16_t *block)
{
int sum = 0, i;
case FF_CMP_NSSE:
cmp[i] = c->nsse[i];
break;
+#if CONFIG_DWT
+ case FF_CMP_W53:
+ cmp[i]= c->w53[i];
+ break;
+ case FF_CMP_W97:
+ cmp[i]= c->w97[i];
+ break;
+#endif
default:
av_log(NULL, AV_LOG_ERROR,
"internal error in cmp function selection\n");
{
int i, temp[64], sum = 0;
- assert(h == 8);
+ av_assert2(h == 8);
for (i = 0; i < 8; i++) {
// FIXME: try pointer walks
{
int i, temp[64], sum = 0;
- assert(h == 8);
+ av_assert2(h == 8);
for (i = 0; i < 8; i++) {
// FIXME: try pointer walks
{
LOCAL_ALIGNED_16(int16_t, temp, [64]);
- assert(h == 8);
+ av_assert2(h == 8);
- s->dsp.diff_pixels(temp, src1, src2, stride);
- s->dsp.fdct(temp);
+ s->pdsp.diff_pixels(temp, src1, src2, stride);
+ s->fdsp.fdct(temp);
return s->dsp.sum_abs_dctelem(temp);
}
int16_t dct[8][8];
int i, sum = 0;
- s->dsp.diff_pixels(dct[0], src1, src2, stride);
+ s->pdsp.diff_pixels(dct[0], src1, src2, stride);
#define SRC(x) dct[i][x]
#define DST(x, v) dct[i][x] = v
LOCAL_ALIGNED_16(int16_t, temp, [64]);
int sum = 0, i;
- assert(h == 8);
+ av_assert2(h == 8);
- s->dsp.diff_pixels(temp, src1, src2, stride);
- s->dsp.fdct(temp);
+ s->pdsp.diff_pixels(temp, src1, src2, stride);
+ s->fdsp.fdct(temp);
for (i = 0; i < 64; i++)
sum = FFMAX(sum, FFABS(temp[i]));
int16_t *const bak = temp + 64;
int sum = 0, i;
- assert(h == 8);
+ av_assert2(h == 8);
s->mb_intra = 0;
- s->dsp.diff_pixels(temp, src1, src2, stride);
+ s->pdsp.diff_pixels(temp, src1, src2, stride);
memcpy(bak, temp, 64 * sizeof(int16_t));
const int esc_length = s->ac_esc_length;
uint8_t *length, *last_length;
- assert(h == 8);
+ av_assert2(h == 8);
copy_block8(lsrc1, src1, 8, stride, 8);
copy_block8(lsrc2, src2, 8, stride, 8);
- s->dsp.diff_pixels(temp, lsrc1, lsrc2, 8);
+ s->pdsp.diff_pixels(temp, lsrc1, lsrc2, 8);
s->block_last_index[0 /* FIXME */] =
last =
level = temp[i] + 64;
- assert(level - 64);
+ av_assert2(level - 64);
if ((level & (~127)) == 0) {
bits += last_length[UNI_AC_ENC_INDEX(run, level)];
const int esc_length = s->ac_esc_length;
uint8_t *length, *last_length;
- assert(h == 8);
+ av_assert2(h == 8);
- s->dsp.diff_pixels(temp, src1, src2, stride);
+ s->pdsp.diff_pixels(temp, src1, src2, stride);
s->block_last_index[0 /* FIXME */] =
last =
level = temp[i] + 64;
- assert(level - 64);
+ av_assert2(level - 64);
if ((level & (~127)) == 0)
bits += last_length[UNI_AC_ENC_INDEX(run, level)];
VSAD_INTRA(8)
VSAD_INTRA(16)
-static int vsad16_c(MpegEncContext *c, uint8_t *s1, uint8_t *s2,
- int stride, int h)
-{
- int score = 0, x, y;
-
- for (y = 1; y < h; y++) {
- for (x = 0; x < 16; x++)
- score += FFABS(s1[x] - s2[x] - s1[x + stride] + s2[x + stride]);
- s1 += stride;
- s2 += stride;
- }
-
- return score;
-}
+#define VSAD(size) \
+static int vsad ## size ## _c(MpegEncContext *c, \
+ uint8_t *s1, uint8_t *s2, \
+ int stride, int h) \
+{ \
+ int score = 0, x, y; \
+ \
+ for (y = 1; y < h; y++) { \
+ for (x = 0; x < size; x++) \
+ score += FFABS(s1[x] - s2[x] - s1[x + stride] + s2[x + stride]); \
+ s1 += stride; \
+ s2 += stride; \
+ } \
+ \
+ return score; \
+}
+VSAD(8)
+VSAD(16)
#define SQ(a) ((a) * (a))
#define VSSE_INTRA(size) \
VSSE_INTRA(8)
VSSE_INTRA(16)
-static int vsse16_c(MpegEncContext *c, uint8_t *s1, uint8_t *s2,
- int stride, int h)
-{
- int score = 0, x, y;
-
- for (y = 1; y < h; y++) {
- for (x = 0; x < 16; x++)
- score += SQ(s1[x] - s2[x] - s1[x + stride] + s2[x + stride]);
- s1 += stride;
- s2 += stride;
- }
-
- return score;
-}
+#define VSSE(size) \
+static int vsse ## size ## _c(MpegEncContext *c, uint8_t *s1, uint8_t *s2, \
+ int stride, int h) \
+{ \
+ int score = 0, x, y; \
+ \
+ for (y = 1; y < h; y++) { \
+ for (x = 0; x < size; x++) \
+ score += SQ(s1[x] - s2[x] - s1[x + stride] + s2[x + stride]); \
+ s1 += stride; \
+ s2 += stride; \
+ } \
+ \
+ return score; \
+}
+VSSE(8)
+VSSE(16)
#define WRAPPER8_16_SQ(name8, name16) \
static int name16(MpegEncContext *s, uint8_t *dst, uint8_t *src, \
ff_square_tab[i] = (i - 256) * (i - 256);
}
-av_cold void ff_dsputil_init(DSPContext *c, AVCodecContext *avctx)
+int ff_check_alignment(void)
{
- const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8;
+ static int did_fail = 0;
+ LOCAL_ALIGNED_16(int, aligned, [4]);
-#if CONFIG_ENCODERS
- if (avctx->bits_per_raw_sample == 10) {
- c->fdct = ff_jpeg_fdct_islow_10;
- c->fdct248 = ff_fdct248_islow_10;
- } else {
- if (avctx->dct_algo == FF_DCT_FASTINT) {
- c->fdct = ff_fdct_ifast;
- c->fdct248 = ff_fdct_ifast248;
- } else if (avctx->dct_algo == FF_DCT_FAAN) {
- c->fdct = ff_faandct;
- c->fdct248 = ff_faandct248;
- } else {
- c->fdct = ff_jpeg_fdct_islow_8; // slow/accurate/default
- c->fdct248 = ff_fdct248_islow_8;
+ if ((intptr_t)aligned & 15) {
+ if (!did_fail) {
+#if HAVE_MMX || HAVE_ALTIVEC
+ av_log(NULL, AV_LOG_ERROR,
+ "Compiler did not align stack variables. Libavcodec has been miscompiled\n"
+ "and may be very slow or crash. This is not a bug in libavcodec,\n"
+ "but in the compiler. You may try recompiling using gcc >= 4.2.\n"
+ "Do not report crashes to FFmpeg developers.\n");
+#endif
+ did_fail=1;
}
+ return -1;
}
-#endif /* CONFIG_ENCODERS */
+ return 0;
+}
- c->diff_pixels = diff_pixels_c;
+av_cold void ff_dsputil_init(DSPContext *c, AVCodecContext *avctx)
+{
+ ff_check_alignment();
c->sum_abs_dctelem = sum_abs_dctelem_c;
SET_CMP_FUNC(rd)
SET_CMP_FUNC(bit)
c->vsad[0] = vsad16_c;
+ c->vsad[1] = vsad8_c;
c->vsad[4] = vsad_intra16_c;
c->vsad[5] = vsad_intra8_c;
c->vsse[0] = vsse16_c;
+ c->vsse[1] = vsse8_c;
c->vsse[4] = vsse_intra16_c;
c->vsse[5] = vsse_intra8_c;
c->nsse[0] = nsse16_c;
c->nsse[1] = nsse8_c;
+#if CONFIG_SNOW_DECODER || CONFIG_SNOW_ENCODER
+ ff_dsputil_init_dwt(c);
+#endif
- switch (avctx->bits_per_raw_sample) {
- case 9:
- case 10:
- c->get_pixels = get_pixels_16_c;
- break;
- default:
- c->get_pixels = get_pixels_8_c;
- break;
- }
-
+ if (ARCH_ALPHA)
+ ff_dsputil_init_alpha(c, avctx);
if (ARCH_ARM)
- ff_dsputil_init_arm(c, avctx, high_bit_depth);
+ ff_dsputil_init_arm(c, avctx);
if (ARCH_PPC)
- ff_dsputil_init_ppc(c, avctx, high_bit_depth);
+ ff_dsputil_init_ppc(c, avctx);
if (ARCH_X86)
- ff_dsputil_init_x86(c, avctx, high_bit_depth);
+ ff_dsputil_init_x86(c, avctx);
+}
+
+av_cold void dsputil_init(DSPContext* c, AVCodecContext *avctx)
+{
+ ff_dsputil_init(c, avctx);
+}
+
+av_cold void avpriv_dsputil_init(DSPContext *c, AVCodecContext *avctx)
+{
+ ff_dsputil_init(c, avctx);
}
projects / ffmpeg / blobdiff