/* * 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 <stdint.h> #include "libavutil/attributes.h" #include "libavutil/cpu.h" #include "libavutil/arm/cpu.h" #include "libavcodec/avcodec.h" #include "libavcodec/dsputil.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, unsigned high_bit_depth) { 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 && !high_bit_depth) { 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, high_bit_depth); if (have_armv6(cpu_flags)) ff_dsputil_init_armv6(c, avctx, high_bit_depth); if (have_neon(cpu_flags)) ff_dsputil_init_neon(c, avctx, high_bit_depth); }