ffmpeg-2.8.5

git-svn-id: svn://kolibrios.org@6147 a494cfbc-eb01-0410-851d-a64ba20cac60

contrib/sdk/sources/ffmpeg/ffmpeg-2.8/libavcodec/huffyuvdsp.h

@@ -0,0 +1,53 @@
+/*
+ * 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_HUFFYUVDSP_H
+#define AVCODEC_HUFFYUVDSP_H
+
+#include <stdint.h>
+#include "config.h"
+
+#if HAVE_BIGENDIAN
+#define B 3
+#define G 2
+#define R 1
+#define A 0
+#else
+#define B 0
+#define G 1
+#define R 2
+#define A 3
+#endif
+
+typedef struct HuffYUVDSPContext {
+    void (*add_bytes)(uint8_t *dst /* align 16 */, uint8_t *src /* align 16 */,
+                      intptr_t w);
+    void (*add_hfyu_median_pred)(uint8_t *dst, const uint8_t *top,
+                                 const uint8_t *diff, intptr_t w,
+                                 int *left, int *left_top);
+    int (*add_hfyu_left_pred)(uint8_t *dst, const uint8_t *src,
+                              intptr_t w, int left);
+    void (*add_hfyu_left_pred_bgr32)(uint8_t *dst, const uint8_t *src,
+                                     intptr_t w, uint8_t *left);
+} HuffYUVDSPContext;
+
+void ff_huffyuvdsp_init(HuffYUVDSPContext *c);
+void ff_huffyuvdsp_init_ppc(HuffYUVDSPContext *c);
+void ff_huffyuvdsp_init_x86(HuffYUVDSPContext *c);
+
+#endif /* AVCODEC_HUFFYUVDSP_H */