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-rw-r--r--media/ffvpx/libavutil/x86/imgutils_init.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/media/ffvpx/libavutil/x86/imgutils_init.c b/media/ffvpx/libavutil/x86/imgutils_init.c
new file mode 100644
index 0000000000..91a16cf594
--- /dev/null
+++ b/media/ffvpx/libavutil/x86/imgutils_init.c
@@ -0,0 +1,48 @@
+/*
+ * 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_internal.h"
+#include "libavutil/macros.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;
+}