mirror of https://git.ffmpeg.org/ffmpeg.git
66 lines
2.4 KiB
C
66 lines
2.4 KiB
C
/*
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* Copyright (c) 2018 Paul B Mahol
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*
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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 "libavutil/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/x86/cpu.h"
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#include "libavfilter/vf_overlay.h"
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int ff_overlay_row_44_sse4(uint8_t *d, uint8_t *da, uint8_t *s, uint8_t *a,
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int w, ptrdiff_t alinesize);
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int ff_overlay_row_20_sse4(uint8_t *d, uint8_t *da, uint8_t *s, uint8_t *a,
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int w, ptrdiff_t alinesize);
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int ff_overlay_row_22_sse4(uint8_t *d, uint8_t *da, uint8_t *s, uint8_t *a,
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int w, ptrdiff_t alinesize);
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av_cold void ff_overlay_init_x86(OverlayContext *s, int format, int pix_format,
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int alpha_format, int main_has_alpha)
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{
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int cpu_flags = av_get_cpu_flags();
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if (EXTERNAL_SSE4(cpu_flags) &&
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(format == OVERLAY_FORMAT_YUV444 ||
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format == OVERLAY_FORMAT_GBRP) &&
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alpha_format == 0 && main_has_alpha == 0) {
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s->blend_row[0] = ff_overlay_row_44_sse4;
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s->blend_row[1] = ff_overlay_row_44_sse4;
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s->blend_row[2] = ff_overlay_row_44_sse4;
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}
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if (EXTERNAL_SSE4(cpu_flags) &&
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(pix_format == AV_PIX_FMT_YUV420P) &&
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(format == OVERLAY_FORMAT_YUV420) &&
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alpha_format == 0 && main_has_alpha == 0) {
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s->blend_row[0] = ff_overlay_row_44_sse4;
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s->blend_row[1] = ff_overlay_row_20_sse4;
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s->blend_row[2] = ff_overlay_row_20_sse4;
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}
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if (EXTERNAL_SSE4(cpu_flags) &&
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(format == OVERLAY_FORMAT_YUV422) &&
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alpha_format == 0 && main_has_alpha == 0) {
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s->blend_row[0] = ff_overlay_row_44_sse4;
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s->blend_row[1] = ff_overlay_row_22_sse4;
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s->blend_row[2] = ff_overlay_row_22_sse4;
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}
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}
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