1 files changed, 40 insertions, 0 deletions
diff --git a/libavcodec/lossless_videodsp.h b/libavcodec/lossless_videodsp.h
new file mode 100644
index 0000000000..040902e7ba
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+++ b/libavcodec/lossless_videodsp.h
@@ -0,0 +1,40 @@
+/*
+ * Lossless video DSP utils
+ *
+ * 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
+ */
+
+
+#ifndef AVCODEC_LOSSLESS_VIDEODSP_H
+#define AVCODEC_LOSSLESS_VIDEODSP_H
+
+#include "avcodec.h"
+#include "libavutil/cpu.h"
+
+typedef struct LLVidDSPContext {
+    void (*add_int16)(uint16_t *dst/*align 16*/, const uint16_t *src/*align 16*/, unsigned mask, int w);
+    void (*diff_int16)(uint16_t *dst/*align 16*/, const uint16_t *src1/*align 16*/, const uint16_t *src2/*align 1*/, unsigned mask, int w);
+
+    void (*sub_hfyu_median_pred_int16)(uint16_t *dst, const uint16_t *src1, const uint16_t *src2, unsigned mask, int w, int *left, int *left_top);
+    void (*add_hfyu_median_pred_int16)(uint16_t *dst, const uint16_t *top, const uint16_t *diff, unsigned mask, int w, int *left, int *left_top);
+    int  (*add_hfyu_left_pred_int16)(uint16_t *dst, const uint16_t *src, unsigned mask, int w, unsigned left);
+} LLVidDSPContext;
+
+void ff_llviddsp_init(LLVidDSPContext *llviddsp, AVCodecContext *avctx);
+void ff_llviddsp_init_x86(LLVidDSPContext *llviddsp, AVCodecContext *avctx);
+
+#endif //AVCODEC_LOSSLESS_VIDEODSP_H