1 files changed, 87 insertions, 0 deletions
diff --git a/ffmpeg/libavcodec/rv34dsp.h b/ffmpeg/libavcodec/rv34dsp.h
new file mode 100644
index 0000000..c5d4e39
--- /dev/null
+++ b/ffmpeg/libavcodec/rv34dsp.h
@@ -0,0 +1,87 @@
+/*
+ * RV30/40 decoder motion compensation functions
+ * Copyright (c) 2008 Konstantin Shishkov
+ *
+ * This file is part of Libav.
+ *
+ * Libav 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.
+ *
+ * Libav 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 Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * RV30/40 decoder motion compensation functions
+ */
+
+#ifndef AVCODEC_RV34DSP_H
+#define AVCODEC_RV34DSP_H
+
+#include "dsputil.h"
+#include "h264chroma.h"
+
+typedef void (*rv40_weight_func)(uint8_t *dst/*align width (8 or 16)*/,
+                                 uint8_t *src1/*align width (8 or 16)*/,
+                                 uint8_t *src2/*align width (8 or 16)*/,
+                                 int w1, int w2, ptrdiff_t stride);
+
+typedef void (*rv34_inv_transform_func)(int16_t *block);
+
+typedef void (*rv34_idct_add_func)(uint8_t *dst, ptrdiff_t stride, int16_t *block);
+typedef void (*rv34_idct_dc_add_func)(uint8_t *dst, ptrdiff_t stride,
+                                      int   dc);
+
+typedef void (*rv40_weak_loop_filter_func)(uint8_t *src, ptrdiff_t stride,
+                                           int filter_p1, int filter_q1,
+                                           int alpha, int beta,
+                                           int lims, int lim_q1, int lim_p1);
+
+typedef void (*rv40_strong_loop_filter_func)(uint8_t *src, ptrdiff_t stride,
+                                             int alpha, int lims,
+                                             int dmode, int chroma);
+
+typedef int (*rv40_loop_filter_strength_func)(uint8_t *src, ptrdiff_t stride,
+                                              int beta, int beta2, int edge,
+                                              int *p1, int *q1);
+
+typedef struct RV34DSPContext {
+    qpel_mc_func put_pixels_tab[4][16];
+    qpel_mc_func avg_pixels_tab[4][16];
+    h264_chroma_mc_func put_chroma_pixels_tab[3];
+    h264_chroma_mc_func avg_chroma_pixels_tab[3];
+    /**
+     * Biweight functions, first dimension is transform size (16/8),
+     * second is whether the weight is prescaled by 1/512 to skip
+     * the intermediate shifting.
+     */
+    rv40_weight_func rv40_weight_pixels_tab[2][2];
+    rv34_inv_transform_func rv34_inv_transform;
+    rv34_inv_transform_func rv34_inv_transform_dc;
+    rv34_idct_add_func rv34_idct_add;
+    rv34_idct_dc_add_func rv34_idct_dc_add;
+    rv40_weak_loop_filter_func rv40_weak_loop_filter[2];
+    rv40_strong_loop_filter_func rv40_strong_loop_filter[2];
+    rv40_loop_filter_strength_func rv40_loop_filter_strength[2];
+} RV34DSPContext;
+
+void ff_rv30dsp_init(RV34DSPContext *c);
+void ff_rv34dsp_init(RV34DSPContext *c);
+void ff_rv40dsp_init(RV34DSPContext *c);
+
+void ff_rv34dsp_init_arm(RV34DSPContext *c);
+void ff_rv34dsp_init_x86(RV34DSPContext *c);
+
+void ff_rv40dsp_init_x86(RV34DSPContext *c);
+void ff_rv40dsp_init_arm(RV34DSPContext *c);
+
+#endif /* AVCODEC_RV34DSP_H */