* VC-1 and WMV3 decoder - DSP functions
* Copyright (c) 2006 Konstantin Shishkov
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * 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 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library 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 this library; 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 "dsputil.h"
-/** Apply overlap transform to vertical edge
+/** Apply overlap transform to horizontal edge
*/
-static void vc1_v_overlap_c(uint8_t* src, int stride, int rnd)
+static void vc1_v_overlap_c(uint8_t* src, int stride)
{
int i;
int a, b, c, d;
+ int d1, d2;
+ int rnd = 1;
for(i = 0; i < 8; i++) {
a = src[-2*stride];
b = src[-stride];
c = src[0];
d = src[stride];
+ d1 = (a - d + 3 + rnd) >> 3;
+ d2 = (a - d + b - c + 4 - rnd) >> 3;
- src[-2*stride] = clip_uint8((7*a + d + 4 - rnd) >> 3);
- src[-stride] = clip_uint8((-a + 7*b + c + d + 3 + rnd) >> 3);
- src[0] = clip_uint8((a + b + 7*c - d + 4 - rnd) >> 3);
- src[stride] = clip_uint8((a + 7*d + 3 + rnd) >> 3);
+ src[-2*stride] = a - d1;
+ src[-stride] = b - d2;
+ src[0] = c + d2;
+ src[stride] = d + d1;
src++;
+ rnd = !rnd;
}
}
-/** Apply overlap transform to horizontal edge
+/** Apply overlap transform to vertical edge
*/
-static void vc1_h_overlap_c(uint8_t* src, int stride, int rnd)
+static void vc1_h_overlap_c(uint8_t* src, int stride)
{
int i;
int a, b, c, d;
+ int d1, d2;
+ int rnd = 1;
for(i = 0; i < 8; i++) {
a = src[-2];
b = src[-1];
c = src[0];
d = src[1];
+ d1 = (a - d + 3 + rnd) >> 3;
+ d2 = (a - d + b - c + 4 - rnd) >> 3;
- src[-2] = clip_uint8((7*a + d + 4 - rnd) >> 3);
- src[-1] = clip_uint8((-a + 7*b + c + d + 3 + rnd) >> 3);
- src[0] = clip_uint8((a + b + 7*c - d + 4 - rnd) >> 3);
- src[1] = clip_uint8((a + 7*d + 3 + rnd) >> 3);
+ src[-2] = a - d1;
+ src[-1] = b - d2;
+ src[0] = c + d2;
+ src[1] = d + d1;
src += stride;
+ rnd = !rnd;
}
}
}
/* motion compensation functions */
+/** Filter in case of 2 filters */
+#define VC1_MSPEL_FILTER_16B(DIR, TYPE) \
+static av_always_inline int vc1_mspel_ ## DIR ## _filter_16bits(const TYPE *src, int stride, int mode) \
+{ \
+ switch(mode){ \
+ case 0: /* no shift - should not occur */ \
+ return 0; \
+ case 1: /* 1/4 shift */ \
+ return -4*src[-stride] + 53*src[0] + 18*src[stride] - 3*src[stride*2]; \
+ case 2: /* 1/2 shift */ \
+ return -src[-stride] + 9*src[0] + 9*src[stride] - src[stride*2]; \
+ case 3: /* 3/4 shift */ \
+ return -3*src[-stride] + 18*src[0] + 53*src[stride] - 4*src[stride*2]; \
+ } \
+ return 0; /* should not occur */ \
+}
+
+VC1_MSPEL_FILTER_16B(ver, uint8_t);
+VC1_MSPEL_FILTER_16B(hor, int16_t);
+
/** Filter used to interpolate fractional pel values
*/
-static always_inline int vc1_mspel_filter(const uint8_t *src, int stride, int mode, int r)
+static av_always_inline int vc1_mspel_filter(const uint8_t *src, int stride, int mode, int r)
{
switch(mode){
case 0: //no shift
/** Function used to do motion compensation with bicubic interpolation
*/
-static void vc1_mspel_mc(uint8_t *dst, const uint8_t *src, int stride, int mode, int rnd)
+static void vc1_mspel_mc(uint8_t *dst, const uint8_t *src, int stride, int hmode, int vmode, int rnd)
{
- int i, j;
- uint8_t tmp[8*11], *tptr;
- int m, r;
-
- m = (mode & 3);
- r = rnd;
- src -= stride;
- tptr = tmp;
- for(j = 0; j < 11; j++) {
- for(i = 0; i < 8; i++)
- tptr[i] = clip_uint8(vc1_mspel_filter(src + i, 1, m, r));
- src += stride;
- tptr += 8;
+ int i, j;
+
+ if (vmode) { /* Horizontal filter to apply */
+ int r;
+
+ if (hmode) { /* Vertical filter to apply, output to tmp */
+ static const int shift_value[] = { 0, 5, 1, 5 };
+ int shift = (shift_value[hmode]+shift_value[vmode])>>1;
+ int16_t tmp[11*8], *tptr = tmp;
+
+ r = (1<<(shift-1)) + rnd-1;
+
+ src -= 1;
+ for(j = 0; j < 8; j++) {
+ for(i = 0; i < 11; i++)
+ tptr[i] = (vc1_mspel_ver_filter_16bits(src + i, stride, vmode)+r)>>shift;
+ src += stride;
+ tptr += 11;
+ }
+
+ r = 64-rnd;
+ tptr = tmp+1;
+ for(j = 0; j < 8; j++) {
+ for(i = 0; i < 8; i++)
+ dst[i] = av_clip_uint8((vc1_mspel_hor_filter_16bits(tptr + i, 1, hmode)+r)>>7);
+ dst += stride;
+ tptr += 11;
+ }
+
+ return;
+ }
+ else { /* No horizontal filter, output 8 lines to dst */
+ r = 1-rnd;
+
+ for(j = 0; j < 8; j++) {
+ for(i = 0; i < 8; i++)
+ dst[i] = av_clip_uint8(vc1_mspel_filter(src + i, stride, vmode, r));
+ src += stride;
+ dst += stride;
+ }
+ return;
+ }
}
- r = 1 - rnd;
- m = (mode >> 2) & 3;
- tptr = tmp + 8;
+ /* Horizontal mode with no vertical mode */
for(j = 0; j < 8; j++) {
for(i = 0; i < 8; i++)
- dst[i] = clip_uint8(vc1_mspel_filter(tptr + i, 8, m, r));
+ dst[i] = av_clip_uint8(vc1_mspel_filter(src + i, 1, hmode, rnd));
dst += stride;
- tptr += 8;
+ src += stride;
}
}
/* this one is defined in dsputil.c */
void ff_put_vc1_mspel_mc00_c(uint8_t *dst, const uint8_t *src, int stride, int rnd);
-static void ff_put_vc1_mspel_mc10_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0x1, rnd);
-}
-
-static void ff_put_vc1_mspel_mc20_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0x2, rnd);
-}
-
-static void ff_put_vc1_mspel_mc30_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0x3, rnd);
-}
-
-static void ff_put_vc1_mspel_mc01_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0x4, rnd);
-}
-
-static void ff_put_vc1_mspel_mc11_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0x5, rnd);
-}
-
-static void ff_put_vc1_mspel_mc21_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0x6, rnd);
-}
-
-static void ff_put_vc1_mspel_mc31_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0x7, rnd);
-}
-
-static void ff_put_vc1_mspel_mc02_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0x8, rnd);
-}
-
-static void ff_put_vc1_mspel_mc12_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0x9, rnd);
-}
-
-static void ff_put_vc1_mspel_mc22_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0xA, rnd);
-}
-
-static void ff_put_vc1_mspel_mc32_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0xB, rnd);
-}
-
-static void ff_put_vc1_mspel_mc03_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0xC, rnd);
-}
-
-static void ff_put_vc1_mspel_mc13_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0xD, rnd);
-}
-
-static void ff_put_vc1_mspel_mc23_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0xE, rnd);
-}
-
-static void ff_put_vc1_mspel_mc33_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0xF, rnd);
-}
-
-/** Filter used to interpolate fractional pel values
- * except for half-pel cases for _mcXY:
- * A = (4-X)*(4-Y)
- * B = X *(4-Y)
- * C = (4-X)* Y
- * D = X * Y
- */
-#define VC1_QPEL_FILTER(src, i, stride, rnd, A, B, C, D) \
- clip_uint8((A*src[i] + B*src[i+1] + C*src[i+stride] + D*src[i+stride+1] + 8 - rnd) >> 4)
-
-/* this one is defined in dsputil.c */
-void ff_put_vc1_qpel_mc00_c(uint8_t *dst, const uint8_t *src, int stride, int rnd);
-
-static void ff_put_vc1_qpel_mc10_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- int i, j;
- for(j = 0; j < 8; j++) {
- for(i = 0; i < 8; i++)
- dst[i] = VC1_QPEL_FILTER(src, i, stride, rnd, 12, 4, 0, 0);
- dst += stride;
- src += stride;
- }
-}
-
-static void ff_put_vc1_qpel_mc20_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- int i, j;
- for(j = 0; j < 8; j++) {
- for(i = 0; i < 8; i++)
- dst[i] = clip_uint8((src[i] + src[i + 1] + 1 - rnd) >> 1);
- dst += stride;
- src += stride;
- }
-}
-
-static void ff_put_vc1_qpel_mc30_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- int i, j;
- for(j = 0; j < 8; j++) {
- for(i = 0; i < 8; i++)
- dst[i] = VC1_QPEL_FILTER(src, i, stride, rnd, 4, 12, 0, 0);
- dst += stride;
- src += stride;
- }
-}
-
-static void ff_put_vc1_qpel_mc01_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- int i, j;
- for(j = 0; j < 8; j++) {
- for(i = 0; i < 8; i++)
- dst[i] = VC1_QPEL_FILTER(src, i, stride, rnd, 12, 0, 4, 0);
- dst += stride;
- src += stride;
- }
-}
-
-static void ff_put_vc1_qpel_mc11_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- int i, j;
- for(j = 0; j < 8; j++) {
- for(i = 0; i < 8; i++)
- dst[i] = VC1_QPEL_FILTER(src, i, stride, rnd, 9, 3, 3, 1);
- dst += stride;
- src += stride;
- }
-}
-
-static void ff_put_vc1_qpel_mc21_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- int i, j;
- for(j = 0; j < 8; j++) {
- for(i = 0; i < 8; i++)
- dst[i] = VC1_QPEL_FILTER(src, i, stride, rnd, 6, 6, 2, 2);
- dst += stride;
- src += stride;
- }
-}
-
-static void ff_put_vc1_qpel_mc31_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- int i, j;
- for(j = 0; j < 8; j++) {
- for(i = 0; i < 8; i++)
- dst[i] = VC1_QPEL_FILTER(src, i, stride, rnd, 3, 9, 1, 3);
- dst += stride;
- src += stride;
- }
-}
-
-static void ff_put_vc1_qpel_mc02_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- int i, j;
- for(j = 0; j < 8; j++) {
- for(i = 0; i < 8; i++)
- dst[i] = clip_uint8((src[i] + src[i + stride] + 1 - rnd) >> 1);
- dst += stride;
- src += stride;
- }
-}
-
-static void ff_put_vc1_qpel_mc12_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- int i, j;
- for(j = 0; j < 8; j++) {
- for(i = 0; i < 8; i++)
- dst[i] = VC1_QPEL_FILTER(src, i, stride, rnd, 6, 2, 6, 2);
- dst += stride;
- src += stride;
- }
-}
-
-static void ff_put_vc1_qpel_mc22_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- int i, j;
- for(j = 0; j < 8; j++) {
- for(i = 0; i < 8; i++)
- dst[i] = clip_uint8((src[i] + src[i + 1] + src[i + stride] + src[i + stride + 1] + 2 - rnd) >> 2);
- dst += stride;
- src += stride;
- }
-}
-
-static void ff_put_vc1_qpel_mc32_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- int i, j;
- for(j = 0; j < 8; j++) {
- for(i = 0; i < 8; i++)
- dst[i] = VC1_QPEL_FILTER(src, i, stride, rnd, 2, 6, 2, 6);
- dst += stride;
- src += stride;
- }
+#define PUT_VC1_MSPEL(a, b)\
+static void put_vc1_mspel_mc ## a ## b ##_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) { \
+ vc1_mspel_mc(dst, src, stride, a, b, rnd); \
}
-static void ff_put_vc1_qpel_mc03_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- int i, j;
- for(j = 0; j < 8; j++) {
- for(i = 0; i < 8; i++)
- dst[i] = VC1_QPEL_FILTER(src, i, stride, rnd, 4, 0, 12, 0);
- dst += stride;
- src += stride;
- }
-}
+PUT_VC1_MSPEL(1, 0)
+PUT_VC1_MSPEL(2, 0)
+PUT_VC1_MSPEL(3, 0)
-static void ff_put_vc1_qpel_mc13_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- int i, j;
- for(j = 0; j < 8; j++) {
- for(i = 0; i < 8; i++)
- dst[i] = VC1_QPEL_FILTER(src, i, stride, rnd, 3, 1, 9, 3);
- dst += stride;
- src += stride;
- }
-}
+PUT_VC1_MSPEL(0, 1)
+PUT_VC1_MSPEL(1, 1)
+PUT_VC1_MSPEL(2, 1)
+PUT_VC1_MSPEL(3, 1)
-static void ff_put_vc1_qpel_mc23_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- int i, j;
- for(j = 0; j < 8; j++) {
- for(i = 0; i < 8; i++)
- dst[i] = VC1_QPEL_FILTER(src, i, stride, rnd, 2, 2, 6, 6);
- dst += stride;
- src += stride;
- }
-}
+PUT_VC1_MSPEL(0, 2)
+PUT_VC1_MSPEL(1, 2)
+PUT_VC1_MSPEL(2, 2)
+PUT_VC1_MSPEL(3, 2)
-static void ff_put_vc1_qpel_mc33_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- int i, j;
- for(j = 0; j < 8; j++) {
- for(i = 0; i < 8; i++)
- dst[i] = VC1_QPEL_FILTER(src, i, stride, rnd, 1, 3, 3, 9);
- dst += stride;
- src += stride;
- }
-}
+PUT_VC1_MSPEL(0, 3)
+PUT_VC1_MSPEL(1, 3)
+PUT_VC1_MSPEL(2, 3)
+PUT_VC1_MSPEL(3, 3)
void ff_vc1dsp_init(DSPContext* dsp, AVCodecContext *avctx) {
dsp->vc1_inv_trans_8x8 = vc1_inv_trans_8x8_c;
dsp->vc1_v_overlap = vc1_v_overlap_c;
dsp->put_vc1_mspel_pixels_tab[ 0] = ff_put_vc1_mspel_mc00_c;
- dsp->put_vc1_mspel_pixels_tab[ 1] = ff_put_vc1_mspel_mc10_c;
- dsp->put_vc1_mspel_pixels_tab[ 2] = ff_put_vc1_mspel_mc20_c;
- dsp->put_vc1_mspel_pixels_tab[ 3] = ff_put_vc1_mspel_mc30_c;
- dsp->put_vc1_mspel_pixels_tab[ 4] = ff_put_vc1_mspel_mc01_c;
- dsp->put_vc1_mspel_pixels_tab[ 5] = ff_put_vc1_mspel_mc11_c;
- dsp->put_vc1_mspel_pixels_tab[ 6] = ff_put_vc1_mspel_mc21_c;
- dsp->put_vc1_mspel_pixels_tab[ 7] = ff_put_vc1_mspel_mc31_c;
- dsp->put_vc1_mspel_pixels_tab[ 8] = ff_put_vc1_mspel_mc02_c;
- dsp->put_vc1_mspel_pixels_tab[ 9] = ff_put_vc1_mspel_mc12_c;
- dsp->put_vc1_mspel_pixels_tab[10] = ff_put_vc1_mspel_mc22_c;
- dsp->put_vc1_mspel_pixels_tab[11] = ff_put_vc1_mspel_mc32_c;
- dsp->put_vc1_mspel_pixels_tab[12] = ff_put_vc1_mspel_mc03_c;
- dsp->put_vc1_mspel_pixels_tab[13] = ff_put_vc1_mspel_mc13_c;
- dsp->put_vc1_mspel_pixels_tab[14] = ff_put_vc1_mspel_mc23_c;
- dsp->put_vc1_mspel_pixels_tab[15] = ff_put_vc1_mspel_mc33_c;
-
- dsp->put_vc1_qpel_pixels_tab[ 0] = ff_put_vc1_qpel_mc00_c;
- dsp->put_vc1_qpel_pixels_tab[ 1] = ff_put_vc1_qpel_mc10_c;
- dsp->put_vc1_qpel_pixels_tab[ 2] = ff_put_vc1_qpel_mc20_c;
- dsp->put_vc1_qpel_pixels_tab[ 3] = ff_put_vc1_qpel_mc30_c;
- dsp->put_vc1_qpel_pixels_tab[ 4] = ff_put_vc1_qpel_mc01_c;
- dsp->put_vc1_qpel_pixels_tab[ 5] = ff_put_vc1_qpel_mc11_c;
- dsp->put_vc1_qpel_pixels_tab[ 6] = ff_put_vc1_qpel_mc21_c;
- dsp->put_vc1_qpel_pixels_tab[ 7] = ff_put_vc1_qpel_mc31_c;
- dsp->put_vc1_qpel_pixels_tab[ 8] = ff_put_vc1_qpel_mc02_c;
- dsp->put_vc1_qpel_pixels_tab[ 9] = ff_put_vc1_qpel_mc12_c;
- dsp->put_vc1_qpel_pixels_tab[10] = ff_put_vc1_qpel_mc22_c;
- dsp->put_vc1_qpel_pixels_tab[11] = ff_put_vc1_qpel_mc32_c;
- dsp->put_vc1_qpel_pixels_tab[12] = ff_put_vc1_qpel_mc03_c;
- dsp->put_vc1_qpel_pixels_tab[13] = ff_put_vc1_qpel_mc13_c;
- dsp->put_vc1_qpel_pixels_tab[14] = ff_put_vc1_qpel_mc23_c;
- dsp->put_vc1_qpel_pixels_tab[15] = ff_put_vc1_qpel_mc33_c;
+ dsp->put_vc1_mspel_pixels_tab[ 1] = put_vc1_mspel_mc10_c;
+ dsp->put_vc1_mspel_pixels_tab[ 2] = put_vc1_mspel_mc20_c;
+ dsp->put_vc1_mspel_pixels_tab[ 3] = put_vc1_mspel_mc30_c;
+ dsp->put_vc1_mspel_pixels_tab[ 4] = put_vc1_mspel_mc01_c;
+ dsp->put_vc1_mspel_pixels_tab[ 5] = put_vc1_mspel_mc11_c;
+ dsp->put_vc1_mspel_pixels_tab[ 6] = put_vc1_mspel_mc21_c;
+ dsp->put_vc1_mspel_pixels_tab[ 7] = put_vc1_mspel_mc31_c;
+ dsp->put_vc1_mspel_pixels_tab[ 8] = put_vc1_mspel_mc02_c;
+ dsp->put_vc1_mspel_pixels_tab[ 9] = put_vc1_mspel_mc12_c;
+ dsp->put_vc1_mspel_pixels_tab[10] = put_vc1_mspel_mc22_c;
+ dsp->put_vc1_mspel_pixels_tab[11] = put_vc1_mspel_mc32_c;
+ dsp->put_vc1_mspel_pixels_tab[12] = put_vc1_mspel_mc03_c;
+ dsp->put_vc1_mspel_pixels_tab[13] = put_vc1_mspel_mc13_c;
+ dsp->put_vc1_mspel_pixels_tab[14] = put_vc1_mspel_mc23_c;
+ dsp->put_vc1_mspel_pixels_tab[15] = put_vc1_mspel_mc33_c;
}
projects / ffmpeg / blobdiff