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117 lines
3.5 KiB
117 lines
3.5 KiB
/* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include <stdint.h> |
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#include "config.h" |
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#include "libavutil/attributes.h" |
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#include "libavutil/intreadwrite.h" |
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#include "avcodec.h" |
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#include "pixblockdsp.h" |
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static void get_pixels_16_c(int16_t *restrict block, const uint8_t *pixels, |
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ptrdiff_t stride) |
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{ |
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AV_COPY128U(block + 0 * 8, pixels + 0 * stride); |
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AV_COPY128U(block + 1 * 8, pixels + 1 * stride); |
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AV_COPY128U(block + 2 * 8, pixels + 2 * stride); |
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AV_COPY128U(block + 3 * 8, pixels + 3 * stride); |
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AV_COPY128U(block + 4 * 8, pixels + 4 * stride); |
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AV_COPY128U(block + 5 * 8, pixels + 5 * stride); |
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AV_COPY128U(block + 6 * 8, pixels + 6 * stride); |
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AV_COPY128U(block + 7 * 8, pixels + 7 * stride); |
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} |
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static void get_pixels_8_c(int16_t *restrict block, const uint8_t *pixels, |
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ptrdiff_t stride) |
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{ |
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int i; |
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/* read the pixels */ |
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for (i = 0; i < 8; i++) { |
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block[0] = pixels[0]; |
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block[1] = pixels[1]; |
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block[2] = pixels[2]; |
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block[3] = pixels[3]; |
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block[4] = pixels[4]; |
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block[5] = pixels[5]; |
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block[6] = pixels[6]; |
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block[7] = pixels[7]; |
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pixels += stride; |
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block += 8; |
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} |
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} |
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static void diff_pixels_c(int16_t *restrict block, const uint8_t *s1, |
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const uint8_t *s2, ptrdiff_t stride) |
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{ |
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int i; |
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/* read the pixels */ |
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for (i = 0; i < 8; i++) { |
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block[0] = s1[0] - s2[0]; |
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block[1] = s1[1] - s2[1]; |
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block[2] = s1[2] - s2[2]; |
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block[3] = s1[3] - s2[3]; |
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block[4] = s1[4] - s2[4]; |
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block[5] = s1[5] - s2[5]; |
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block[6] = s1[6] - s2[6]; |
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block[7] = s1[7] - s2[7]; |
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s1 += stride; |
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s2 += stride; |
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block += 8; |
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} |
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} |
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av_cold void ff_pixblockdsp_init(PixblockDSPContext *c, AVCodecContext *avctx) |
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{ |
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av_unused const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8; |
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c->diff_pixels_unaligned = |
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c->diff_pixels = diff_pixels_c; |
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switch (avctx->bits_per_raw_sample) { |
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case 9: |
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case 10: |
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case 12: |
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case 14: |
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c->get_pixels_unaligned = |
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c->get_pixels = get_pixels_16_c; |
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break; |
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default: |
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if (avctx->bits_per_raw_sample<=8 || avctx->codec_type != AVMEDIA_TYPE_VIDEO) { |
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c->get_pixels_unaligned = |
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c->get_pixels = get_pixels_8_c; |
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} |
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break; |
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} |
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#if ARCH_AARCH64 |
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ff_pixblockdsp_init_aarch64(c, avctx, high_bit_depth); |
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#elif ARCH_ARM |
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ff_pixblockdsp_init_arm(c, avctx, high_bit_depth); |
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#elif ARCH_PPC |
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ff_pixblockdsp_init_ppc(c, avctx, high_bit_depth); |
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#elif ARCH_RISCV |
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ff_pixblockdsp_init_riscv(c, avctx, high_bit_depth); |
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#elif ARCH_X86 |
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ff_pixblockdsp_init_x86(c, avctx, high_bit_depth); |
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#elif ARCH_MIPS |
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ff_pixblockdsp_init_mips(c, avctx, high_bit_depth); |
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#endif |
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}
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