* Alpha optimized DSP utils
* Copyright (c) 2002 Falk Hueffner <falk@debian.org>
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of Libav.
+ *
+ * Libav 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,
+ * Libav 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
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include "libavutil/attributes.h"
+#include "libavcodec/dsputil.h"
+#include "dsputil_alpha.h"
#include "asm.h"
-#include "../dsputil.h"
-void put_pixels_axp_asm(uint8_t *block, const uint8_t *pixels,
- int line_size, int h);
-void put_pixels_clamped_mvi_asm(const DCTELEM *block, uint8_t *pixels,
- int line_size);
-void add_pixels_clamped_mvi_asm(const DCTELEM *block, uint8_t *pixels,
- int line_size);
-void (*put_pixels_clamped_axp_p)(const DCTELEM *block, uint8_t *pixels,
+void (*put_pixels_clamped_axp_p)(const int16_t *block, uint8_t *pixels,
int line_size);
-void (*add_pixels_clamped_axp_p)(const DCTELEM *block, uint8_t *pixels,
+void (*add_pixels_clamped_axp_p)(const int16_t *block, uint8_t *pixels,
int line_size);
-void get_pixels_mvi(DCTELEM *restrict block,
- const uint8_t *restrict pixels, int line_size);
-void diff_pixels_mvi(DCTELEM *block, const uint8_t *s1, const uint8_t *s2,
- int stride);
-int pix_abs8x8_mvi(uint8_t *pix1, uint8_t *pix2, int line_size);
-int pix_abs16x16_mvi_asm(uint8_t *pix1, uint8_t *pix2, int line_size);
-int pix_abs16x16_x2_mvi(uint8_t *pix1, uint8_t *pix2, int line_size);
-int pix_abs16x16_y2_mvi(uint8_t *pix1, uint8_t *pix2, int line_size);
-int pix_abs16x16_xy2_mvi(uint8_t *pix1, uint8_t *pix2, int line_size);
-
#if 0
/* These functions were the base for the optimized assembler routines,
and remain here for documentation purposes. */
-static void put_pixels_clamped_mvi(const DCTELEM *block, uint8_t *pixels,
- int line_size)
+static void put_pixels_clamped_mvi(const int16_t *block, uint8_t *pixels,
+ ptrdiff_t line_size)
{
int i = 8;
uint64_t clampmask = zap(-1, 0xaa); /* 0x00ff00ff00ff00ff */
- ASM_ACCEPT_MVI;
-
do {
uint64_t shorts0, shorts1;
} while (--i);
}
-void add_pixels_clamped_mvi(const DCTELEM *block, uint8_t *pixels,
- int line_size)
+void add_pixels_clamped_mvi(const int16_t *block, uint8_t *pixels,
+ ptrdiff_t line_size)
{
int h = 8;
/* Keep this function a leaf function by generating the constants
uint64_t signmask = zap(-1, 0x33);
signmask ^= signmask >> 1; /* 0x8000800080008000 */
- ASM_ACCEPT_MVI;
-
do {
uint64_t shorts0, pix0, signs0;
uint64_t shorts1, pix1, signs1;
shorts0 ^= signs0;
/* Clamp. */
shorts0 = maxsw4(shorts0, 0);
- shorts0 = minsw4(shorts0, clampmask);
+ shorts0 = minsw4(shorts0, clampmask);
/* Next 4. */
pix1 = unpkbw(ldl(pixels + 4));
}
#endif
-static void clear_blocks_axp(DCTELEM *blocks) {
+static void clear_blocks_axp(int16_t *blocks) {
uint64_t *p = (uint64_t *) blocks;
- int n = sizeof(DCTELEM) * 6 * 64;
+ int n = sizeof(int16_t) * 6 * 64;
do {
p[0] = 0;
} while (n);
}
-static inline uint64_t avg2_no_rnd(uint64_t a, uint64_t b)
-{
- return (a & b) + (((a ^ b) & BYTE_VEC(0xfe)) >> 1);
-}
-
-static inline uint64_t avg2(uint64_t a, uint64_t b)
-{
- return (a | b) - (((a ^ b) & BYTE_VEC(0xfe)) >> 1);
-}
-
-#if 0
-/* The XY2 routines basically utilize this scheme, but reuse parts in
- each iteration. */
-static inline uint64_t avg4(uint64_t l1, uint64_t l2, uint64_t l3, uint64_t l4)
-{
- uint64_t r1 = ((l1 & ~BYTE_VEC(0x03)) >> 2)
- + ((l2 & ~BYTE_VEC(0x03)) >> 2)
- + ((l3 & ~BYTE_VEC(0x03)) >> 2)
- + ((l4 & ~BYTE_VEC(0x03)) >> 2);
- uint64_t r2 = (( (l1 & BYTE_VEC(0x03))
- + (l2 & BYTE_VEC(0x03))
- + (l3 & BYTE_VEC(0x03))
- + (l4 & BYTE_VEC(0x03))
- + BYTE_VEC(0x02)) >> 2) & BYTE_VEC(0x03);
- return r1 + r2;
-}
-#endif
-
-#define OP(LOAD, STORE) \
- do { \
- STORE(LOAD(pixels), block); \
- pixels += line_size; \
- block += line_size; \
- } while (--h)
-
-#define OP_X2(LOAD, STORE) \
- do { \
- uint64_t pix1, pix2; \
- \
- pix1 = LOAD(pixels); \
- pix2 = pix1 >> 8 | ((uint64_t) pixels[8] << 56); \
- STORE(AVG2(pix1, pix2), block); \
- pixels += line_size; \
- block += line_size; \
- } while (--h)
-
-#define OP_Y2(LOAD, STORE) \
- do { \
- uint64_t pix = LOAD(pixels); \
- do { \
- uint64_t next_pix; \
- \
- pixels += line_size; \
- next_pix = LOAD(pixels); \
- STORE(AVG2(pix, next_pix), block); \
- block += line_size; \
- pix = next_pix; \
- } while (--h); \
- } while (0)
-
-#define OP_XY2(LOAD, STORE) \
- do { \
- uint64_t pix1 = LOAD(pixels); \
- uint64_t pix2 = pix1 >> 8 | ((uint64_t) pixels[8] << 56); \
- uint64_t pix_l = (pix1 & BYTE_VEC(0x03)) \
- + (pix2 & BYTE_VEC(0x03)); \
- uint64_t pix_h = ((pix1 & ~BYTE_VEC(0x03)) >> 2) \
- + ((pix2 & ~BYTE_VEC(0x03)) >> 2); \
- \
- do { \
- uint64_t npix1, npix2; \
- uint64_t npix_l, npix_h; \
- uint64_t avg; \
- \
- pixels += line_size; \
- npix1 = LOAD(pixels); \
- npix2 = npix1 >> 8 | ((uint64_t) pixels[8] << 56); \
- npix_l = (npix1 & BYTE_VEC(0x03)) \
- + (npix2 & BYTE_VEC(0x03)); \
- npix_h = ((npix1 & ~BYTE_VEC(0x03)) >> 2) \
- + ((npix2 & ~BYTE_VEC(0x03)) >> 2); \
- avg = (((pix_l + npix_l + AVG4_ROUNDER) >> 2) & BYTE_VEC(0x03)) \
- + pix_h + npix_h; \
- STORE(avg, block); \
- \
- block += line_size; \
- pix_l = npix_l; \
- pix_h = npix_h; \
- } while (--h); \
- } while (0)
-
-#define MAKE_OP(OPNAME, SUFF, OPKIND, STORE) \
-static void OPNAME ## _pixels ## SUFF ## _axp \
- (uint8_t *restrict block, const uint8_t *restrict pixels, \
- int line_size, int h) \
-{ \
- if ((size_t) pixels & 0x7) { \
- OPKIND(uldq, STORE); \
- } else { \
- OPKIND(ldq, STORE); \
- } \
-} \
- \
-static void OPNAME ## _pixels16 ## SUFF ## _axp \
- (uint8_t *restrict block, const uint8_t *restrict pixels, \
- int line_size, int h) \
-{ \
- OPNAME ## _pixels ## SUFF ## _axp(block, pixels, line_size, h); \
- OPNAME ## _pixels ## SUFF ## _axp(block + 8, pixels + 8, line_size, h); \
-}
-
-#define PIXOP(OPNAME, STORE) \
- MAKE_OP(OPNAME, , OP, STORE) \
- MAKE_OP(OPNAME, _x2, OP_X2, STORE) \
- MAKE_OP(OPNAME, _y2, OP_Y2, STORE) \
- MAKE_OP(OPNAME, _xy2, OP_XY2, STORE)
-
-/* Rounding primitives. */
-#define AVG2 avg2
-#define AVG4 avg4
-#define AVG4_ROUNDER BYTE_VEC(0x02)
-#define STORE(l, b) stq(l, b)
-PIXOP(put, STORE);
-
-#undef STORE
-#define STORE(l, b) stq(AVG2(l, ldq(b)), b);
-PIXOP(avg, STORE);
-
-/* Not rounding primitives. */
-#undef AVG2
-#undef AVG4
-#undef AVG4_ROUNDER
-#undef STORE
-#define AVG2 avg2_no_rnd
-#define AVG4 avg4_no_rnd
-#define AVG4_ROUNDER BYTE_VEC(0x01)
-#define STORE(l, b) stq(l, b)
-PIXOP(put_no_rnd, STORE);
-
-#undef STORE
-#define STORE(l, b) stq(AVG2(l, ldq(b)), b);
-PIXOP(avg_no_rnd, STORE);
-
-void put_pixels16_axp_asm(uint8_t *block, const uint8_t *pixels,
- int line_size, int h)
-{
- put_pixels_axp_asm(block, pixels, line_size, h);
- put_pixels_axp_asm(block + 8, pixels + 8, line_size, h);
-}
-
-static int sad16x16_mvi(void *s, uint8_t *a, uint8_t *b, int stride)
-{
- return pix_abs16x16_mvi_asm(a, b, stride);
-}
-
-static int sad8x8_mvi(void *s, uint8_t *a, uint8_t *b, int stride)
+av_cold void ff_dsputil_init_alpha(DSPContext *c, AVCodecContext *avctx)
{
- return pix_abs8x8_mvi(a, b, stride);
-}
-
-void dsputil_init_alpha(DSPContext* c, unsigned mask)
-{
- c->put_pixels_tab[0][0] = put_pixels16_axp_asm;
- c->put_pixels_tab[0][1] = put_pixels16_x2_axp;
- c->put_pixels_tab[0][2] = put_pixels16_y2_axp;
- c->put_pixels_tab[0][3] = put_pixels16_xy2_axp;
-
- c->put_no_rnd_pixels_tab[0][0] = put_pixels16_axp_asm;
- c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_axp;
- c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_axp;
- c->put_no_rnd_pixels_tab[0][3] = put_no_rnd_pixels16_xy2_axp;
-
- c->avg_pixels_tab[0][0] = avg_pixels16_axp;
- c->avg_pixels_tab[0][1] = avg_pixels16_x2_axp;
- c->avg_pixels_tab[0][2] = avg_pixels16_y2_axp;
- c->avg_pixels_tab[0][3] = avg_pixels16_xy2_axp;
-
- c->avg_no_rnd_pixels_tab[0][0] = avg_no_rnd_pixels16_axp;
- c->avg_no_rnd_pixels_tab[0][1] = avg_no_rnd_pixels16_x2_axp;
- c->avg_no_rnd_pixels_tab[0][2] = avg_no_rnd_pixels16_y2_axp;
- c->avg_no_rnd_pixels_tab[0][3] = avg_no_rnd_pixels16_xy2_axp;
-
- c->put_pixels_tab[1][0] = put_pixels_axp_asm;
- c->put_pixels_tab[1][1] = put_pixels_x2_axp;
- c->put_pixels_tab[1][2] = put_pixels_y2_axp;
- c->put_pixels_tab[1][3] = put_pixels_xy2_axp;
-
- c->put_no_rnd_pixels_tab[1][0] = put_pixels_axp_asm;
- c->put_no_rnd_pixels_tab[1][1] = put_no_rnd_pixels_x2_axp;
- c->put_no_rnd_pixels_tab[1][2] = put_no_rnd_pixels_y2_axp;
- c->put_no_rnd_pixels_tab[1][3] = put_no_rnd_pixels_xy2_axp;
-
- c->avg_pixels_tab[1][0] = avg_pixels_axp;
- c->avg_pixels_tab[1][1] = avg_pixels_x2_axp;
- c->avg_pixels_tab[1][2] = avg_pixels_y2_axp;
- c->avg_pixels_tab[1][3] = avg_pixels_xy2_axp;
-
- c->avg_no_rnd_pixels_tab[1][0] = avg_no_rnd_pixels_axp;
- c->avg_no_rnd_pixels_tab[1][1] = avg_no_rnd_pixels_x2_axp;
- c->avg_no_rnd_pixels_tab[1][2] = avg_no_rnd_pixels_y2_axp;
- c->avg_no_rnd_pixels_tab[1][3] = avg_no_rnd_pixels_xy2_axp;
+ const int high_bit_depth = avctx->bits_per_raw_sample > 8;
+ if (!high_bit_depth) {
c->clear_blocks = clear_blocks_axp;
+ }
/* amask clears all bits that correspond to present features. */
if (amask(AMASK_MVI) == 0) {
c->put_pixels_clamped = put_pixels_clamped_mvi_asm;
c->add_pixels_clamped = add_pixels_clamped_mvi_asm;
- c->get_pixels = get_pixels_mvi;
+ if (!high_bit_depth)
+ c->get_pixels = get_pixels_mvi;
c->diff_pixels = diff_pixels_mvi;
- c->sad[0] = sad16x16_mvi;
- c->sad[1] = sad8x8_mvi;
- c->pix_abs8x8 = pix_abs8x8_mvi;
- c->pix_abs16x16 = pix_abs16x16_mvi_asm;
- c->pix_abs16x16_x2 = pix_abs16x16_x2_mvi;
- c->pix_abs16x16_y2 = pix_abs16x16_y2_mvi;
- c->pix_abs16x16_xy2 = pix_abs16x16_xy2_mvi;
+ c->sad[0] = pix_abs16x16_mvi_asm;
+ c->sad[1] = pix_abs8x8_mvi;
+ c->pix_abs[0][0] = pix_abs16x16_mvi_asm;
+ c->pix_abs[1][0] = pix_abs8x8_mvi;
+ c->pix_abs[0][1] = pix_abs16x16_x2_mvi;
+ c->pix_abs[0][2] = pix_abs16x16_y2_mvi;
+ c->pix_abs[0][3] = pix_abs16x16_xy2_mvi;
}
put_pixels_clamped_axp_p = c->put_pixels_clamped;
add_pixels_clamped_axp_p = c->add_pixels_clamped;
+
+ if (avctx->bits_per_raw_sample <= 8 &&
+ (avctx->idct_algo == FF_IDCT_AUTO ||
+ avctx->idct_algo == FF_IDCT_SIMPLEALPHA)) {
+ c->idct_put = ff_simple_idct_put_axp;
+ c->idct_add = ff_simple_idct_add_axp;
+ c->idct = ff_simple_idct_axp;
+ }
}
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