| /* |
| * ARM optimized DSP utils |
| * Copyright (c) 2001 Lionel Ulmer |
| * |
| * 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 "libavutil/arm/cpu.h" |
| #include "dsputil_arm.h" |
| |
| void ff_j_rev_dct_arm(int16_t *data); |
| void ff_simple_idct_arm(int16_t *data); |
| |
| /* XXX: local hack */ |
| static void (*ff_put_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size); |
| static void (*ff_add_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size); |
| |
| void ff_add_pixels_clamped_arm(const int16_t *block, uint8_t *dest, |
| int line_size); |
| |
| /* XXX: those functions should be suppressed ASAP when all IDCTs are |
| converted */ |
| static void j_rev_dct_arm_put(uint8_t *dest, int line_size, int16_t *block) |
| { |
| ff_j_rev_dct_arm (block); |
| ff_put_pixels_clamped(block, dest, line_size); |
| } |
| static void j_rev_dct_arm_add(uint8_t *dest, int line_size, int16_t *block) |
| { |
| ff_j_rev_dct_arm (block); |
| ff_add_pixels_clamped(block, dest, line_size); |
| } |
| static void simple_idct_arm_put(uint8_t *dest, int line_size, int16_t *block) |
| { |
| ff_simple_idct_arm (block); |
| ff_put_pixels_clamped(block, dest, line_size); |
| } |
| static void simple_idct_arm_add(uint8_t *dest, int line_size, int16_t *block) |
| { |
| ff_simple_idct_arm (block); |
| ff_add_pixels_clamped(block, dest, line_size); |
| } |
| |
| av_cold void ff_dsputil_init_arm(DSPContext *c, AVCodecContext *avctx) |
| { |
| int cpu_flags = av_get_cpu_flags(); |
| |
| ff_put_pixels_clamped = c->put_pixels_clamped; |
| ff_add_pixels_clamped = c->add_pixels_clamped; |
| |
| if (!avctx->lowres && avctx->bits_per_raw_sample <= 8) { |
| if(avctx->idct_algo == FF_IDCT_AUTO || |
| avctx->idct_algo == FF_IDCT_ARM){ |
| c->idct_put = j_rev_dct_arm_put; |
| c->idct_add = j_rev_dct_arm_add; |
| c->idct = ff_j_rev_dct_arm; |
| c->idct_permutation_type = FF_LIBMPEG2_IDCT_PERM; |
| } else if (avctx->idct_algo == FF_IDCT_SIMPLEARM){ |
| c->idct_put = simple_idct_arm_put; |
| c->idct_add = simple_idct_arm_add; |
| c->idct = ff_simple_idct_arm; |
| c->idct_permutation_type = FF_NO_IDCT_PERM; |
| } |
| } |
| |
| c->add_pixels_clamped = ff_add_pixels_clamped_arm; |
| |
| if (have_armv5te(cpu_flags)) ff_dsputil_init_armv5te(c, avctx); |
| if (have_armv6(cpu_flags)) ff_dsputil_init_armv6(c, avctx); |
| if (have_neon(cpu_flags)) ff_dsputil_init_neon(c, avctx); |
| } |