dsputil: move VC1-specific stuff into VC1DSPContext.

(cherry picked from commit 12802ec0601c3bd7b9c7a2503518e28fd5e7d744)

1 files changed, 67 insertions, 0 deletions

diff --git a/libavcodec/vc1dsp.h b/libavcodec/vc1dsp.h
new file mode 100644
index 0000000000..a1f3d90574
--- /dev/null
+++ b/libavcodec/vc1dsp.h
@@ -0,0 +1,67 @@
+/*
+ * VC-1 and WMV3 decoder - DSP functions
+ * Copyright (c) 2006 Konstantin Shishkov
+ *
+ * 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
+ */
+
+/**
+ * @file
+ * VC-1 and WMV3 decoder
+ *
+ */
+
+#ifndef AVCODEC_VC1DSP_H
+#define AVCODEC_VC1DSP_H
+
+#include "dsputil.h"
+
+typedef struct VC1DSPContext {
+    /* vc1 functions */
+    void (*vc1_inv_trans_8x8)(DCTELEM *b);
+    void (*vc1_inv_trans_8x4)(uint8_t *dest, int line_size, DCTELEM *block);
+    void (*vc1_inv_trans_4x8)(uint8_t *dest, int line_size, DCTELEM *block);
+    void (*vc1_inv_trans_4x4)(uint8_t *dest, int line_size, DCTELEM *block);
+    void (*vc1_inv_trans_8x8_dc)(uint8_t *dest, int line_size, DCTELEM *block);
+    void (*vc1_inv_trans_8x4_dc)(uint8_t *dest, int line_size, DCTELEM *block);
+    void (*vc1_inv_trans_4x8_dc)(uint8_t *dest, int line_size, DCTELEM *block);
+    void (*vc1_inv_trans_4x4_dc)(uint8_t *dest, int line_size, DCTELEM *block);
+    void (*vc1_v_overlap)(uint8_t* src, int stride);
+    void (*vc1_h_overlap)(uint8_t* src, int stride);
+    void (*vc1_v_loop_filter4)(uint8_t *src, int stride, int pq);
+    void (*vc1_h_loop_filter4)(uint8_t *src, int stride, int pq);
+    void (*vc1_v_loop_filter8)(uint8_t *src, int stride, int pq);
+    void (*vc1_h_loop_filter8)(uint8_t *src, int stride, int pq);
+    void (*vc1_v_loop_filter16)(uint8_t *src, int stride, int pq);
+    void (*vc1_h_loop_filter16)(uint8_t *src, int stride, int pq);
+
+    /* put 8x8 block with bicubic interpolation and quarterpel precision
+     * last argument is actually round value instead of height
+     */
+    op_pixels_func put_vc1_mspel_pixels_tab[16];
+    op_pixels_func avg_vc1_mspel_pixels_tab[16];
+
+    /* This is really one func used in VC-1 decoding */
+    h264_chroma_mc_func put_no_rnd_vc1_chroma_pixels_tab[3];
+    h264_chroma_mc_func avg_no_rnd_vc1_chroma_pixels_tab[3];
+} VC1DSPContext;
+
+void ff_vc1dsp_init(VC1DSPContext* c);
+void ff_vc1dsp_init_altivec(VC1DSPContext* c);
+void ff_vc1dsp_init_mmx(VC1DSPContext* dsp);
+
+#endif /* AVCODEC_VC1DSP_H */