diff options
Diffstat (limited to 'ffmpeg/libavcodec/alpha/dsputil_alpha.c')
| -rw-r--r-- | ffmpeg/libavcodec/alpha/dsputil_alpha.c | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/ffmpeg/libavcodec/alpha/dsputil_alpha.c b/ffmpeg/libavcodec/alpha/dsputil_alpha.c deleted file mode 100644 index 03ba0a8..0000000 --- a/ffmpeg/libavcodec/alpha/dsputil_alpha.c +++ /dev/null @@ -1,157 +0,0 @@ -/* - * Alpha optimized DSP utils - * Copyright (c) 2002 Falk Hueffner <falk@debian.org> - * - * 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 2.1 of the License, or (at your option) any later version. - * - * 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 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 "libavcodec/dsputil.h" -#include "dsputil_alpha.h" -#include "asm.h" - -void (*put_pixels_clamped_axp_p)(const int16_t *block, uint8_t *pixels, - int line_size); -void (*add_pixels_clamped_axp_p)(const int16_t *block, uint8_t *pixels, - 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 int16_t *block, uint8_t *pixels, - ptrdiff_t line_size) -{ - int i = 8; - uint64_t clampmask = zap(-1, 0xaa); /* 0x00ff00ff00ff00ff */ - - do { - uint64_t shorts0, shorts1; - - shorts0 = ldq(block); - shorts0 = maxsw4(shorts0, 0); - shorts0 = minsw4(shorts0, clampmask); - stl(pkwb(shorts0), pixels); - - shorts1 = ldq(block + 4); - shorts1 = maxsw4(shorts1, 0); - shorts1 = minsw4(shorts1, clampmask); - stl(pkwb(shorts1), pixels + 4); - - pixels += line_size; - block += 8; - } while (--i); -} - -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 - manually (mainly for the hack value ;-). */ - uint64_t clampmask = zap(-1, 0xaa); /* 0x00ff00ff00ff00ff */ - uint64_t signmask = zap(-1, 0x33); - signmask ^= signmask >> 1; /* 0x8000800080008000 */ - - do { - uint64_t shorts0, pix0, signs0; - uint64_t shorts1, pix1, signs1; - - shorts0 = ldq(block); - shorts1 = ldq(block + 4); - - pix0 = unpkbw(ldl(pixels)); - /* Signed subword add (MMX paddw). */ - signs0 = shorts0 & signmask; - shorts0 &= ~signmask; - shorts0 += pix0; - shorts0 ^= signs0; - /* Clamp. */ - shorts0 = maxsw4(shorts0, 0); - shorts0 = minsw4(shorts0, clampmask); - - /* Next 4. */ - pix1 = unpkbw(ldl(pixels + 4)); - signs1 = shorts1 & signmask; - shorts1 &= ~signmask; - shorts1 += pix1; - shorts1 ^= signs1; - shorts1 = maxsw4(shorts1, 0); - shorts1 = minsw4(shorts1, clampmask); - - stl(pkwb(shorts0), pixels); - stl(pkwb(shorts1), pixels + 4); - - pixels += line_size; - block += 8; - } while (--h); -} -#endif - -static void clear_blocks_axp(int16_t *blocks) { - uint64_t *p = (uint64_t *) blocks; - int n = sizeof(int16_t) * 6 * 64; - - do { - p[0] = 0; - p[1] = 0; - p[2] = 0; - p[3] = 0; - p[4] = 0; - p[5] = 0; - p[6] = 0; - p[7] = 0; - p += 8; - n -= 8 * 8; - } while (n); -} - -av_cold void ff_dsputil_init_alpha(DSPContext *c, AVCodecContext *avctx) -{ - 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; - - if (!high_bit_depth) - c->get_pixels = get_pixels_mvi; - c->diff_pixels = diff_pixels_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->lowres && 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; - } -} |