diff options
Diffstat (limited to 'libs/ffvpx/libavutil/x86/imgutils_init.c')
-rw-r--r-- | libs/ffvpx/libavutil/x86/imgutils_init.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/libs/ffvpx/libavutil/x86/imgutils_init.c b/libs/ffvpx/libavutil/x86/imgutils_init.c new file mode 100644 index 000000000..4ea398205 --- /dev/null +++ b/libs/ffvpx/libavutil/x86/imgutils_init.c @@ -0,0 +1,49 @@ +/* + * 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 <stddef.h> +#include <stdint.h> + +#include "libavutil/cpu.h" +#include "libavutil/error.h" +#include "libavutil/imgutils.h" +#include "libavutil/imgutils_internal.h" +#include "libavutil/internal.h" + +#include "cpu.h" + +void ff_image_copy_plane_uc_from_sse4(uint8_t *dst, ptrdiff_t dst_linesize, + const uint8_t *src, ptrdiff_t src_linesize, + ptrdiff_t bytewidth, int height); + +int ff_image_copy_plane_uc_from_x86(uint8_t *dst, ptrdiff_t dst_linesize, + const uint8_t *src, ptrdiff_t src_linesize, + ptrdiff_t bytewidth, int height) +{ + int cpu_flags = av_get_cpu_flags(); + ptrdiff_t bw_aligned = FFALIGN(bytewidth, 64); + + if (EXTERNAL_SSE4(cpu_flags) && + bw_aligned <= dst_linesize && bw_aligned <= src_linesize) + ff_image_copy_plane_uc_from_sse4(dst, dst_linesize, src, src_linesize, + bw_aligned, height); + else + return AVERROR(ENOSYS); + + return 0; +} |