From e3fcb14347466095839c2a3c47ebecff02da891e Mon Sep 17 00:00:00 2001 From: Diego Biurrun Date: Fri, 24 Jan 2014 11:55:16 +0100 Subject: dsputil: Split off IDCT bits into their own context --- libavcodec/arm/idctdsp_init_arm.c | 98 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 libavcodec/arm/idctdsp_init_arm.c (limited to 'libavcodec/arm/idctdsp_init_arm.c') diff --git a/libavcodec/arm/idctdsp_init_arm.c b/libavcodec/arm/idctdsp_init_arm.c new file mode 100644 index 0000000000..b4d189902d --- /dev/null +++ b/libavcodec/arm/idctdsp_init_arm.c @@ -0,0 +1,98 @@ +/* + * ARM-optimized IDCT functions + * Copyright (c) 2001 Lionel Ulmer + * + * 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 2.1 of the License, or (at your option) any later version. + * + * 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 Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include + +#include "libavutil/attributes.h" +#include "libavutil/cpu.h" +#include "libavutil/arm/cpu.h" +#include "libavcodec/avcodec.h" +#include "libavcodec/idctdsp.h" +#include "idctdsp_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_idctdsp_init_arm(IDCTDSPContext *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 (!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_idctdsp_init_armv5te(c, avctx, high_bit_depth); + if (have_armv6(cpu_flags)) + ff_idctdsp_init_armv6(c, avctx, high_bit_depth); + if (have_neon(cpu_flags)) + ff_idctdsp_init_neon(c, avctx, high_bit_depth); +} -- cgit v1.2.3