libvpx: Add VP9 decoder.

source/libvpx/vp9/common/ppc/vp9_systemdependent.c

+/*
+ *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "vp9/common/vp9_subpixel.h"
+#include "vp9/common/vp9_loopfilter.h"
+#include "recon.h"
+#include "vp9/common/vp9_onyxc_int.h"
+
+void (*vp8_short_idct4x4)(short *input, short *output, int pitch);
+void (*vp8_short_idct4x4_1)(short *input, short *output, int pitch);
+void (*vp8_dc_only_idct)(short input_dc, short *output, int pitch);
+
+extern void (*vp9_post_proc_down_and_across)(
+  unsigned char *src_ptr,
+  unsigned char *dst_ptr,
+  int src_pixels_per_line,
+  int dst_pixels_per_line,
+  int rows,
+  int cols,
+  int flimit
+);
+
+extern void (*vp9_mbpost_proc_down)(unsigned char *dst, int pitch, int rows, int cols, int flimit);
+extern void vp9_mbpost_proc_down_c(unsigned char *dst, int pitch, int rows, int cols, int flimit);
+extern void (*vp9_mbpost_proc_across_ip)(unsigned char *src, int pitch, int rows, int cols, int flimit);
+extern void vp9_mbpost_proc_across_ip_c(unsigned char *src, int pitch, int rows, int cols, int flimit);
+
+extern void vp9_post_proc_down_and_across_c
+(
+  unsigned char *src_ptr,
+  unsigned char *dst_ptr,
+  int src_pixels_per_line,
+  int dst_pixels_per_line,
+  int rows,
+  int cols,
+  int flimit
+);
+void vp9_plane_add_noise_c(unsigned char *Start, unsigned int Width, unsigned int Height, int Pitch, int q, int a);
+
+extern copy_mem_block_function *vp9_copy_mem16x16;
+extern copy_mem_block_function *vp9_copy_mem8x8;
+extern copy_mem_block_function *vp9_copy_mem8x4;
+
+// PPC
+extern subpixel_predict_function sixtap_predict_ppc;
+extern subpixel_predict_function sixtap_predict8x4_ppc;
+extern subpixel_predict_function sixtap_predict8x8_ppc;
+extern subpixel_predict_function sixtap_predict16x16_ppc;
+extern subpixel_predict_function bilinear_predict4x4_ppc;
+extern subpixel_predict_function bilinear_predict8x4_ppc;
+extern subpixel_predict_function bilinear_predict8x8_ppc;
+extern subpixel_predict_function bilinear_predict16x16_ppc;
+
+extern copy_mem_block_function copy_mem16x16_ppc;
+
+void recon_b_ppc(short *diff_ptr, unsigned char *pred_ptr, unsigned char *dst_ptr, int stride);
+void recon2b_ppc(short *diff_ptr, unsigned char *pred_ptr, unsigned char *dst_ptr, int stride);
+void recon4b_ppc(short *diff_ptr, unsigned char *pred_ptr, unsigned char *dst_ptr, int stride);
+
+extern void short_idct4x4llm_ppc(short *input, short *output, int pitch);
+
+// Generic C
+extern subpixel_predict_function vp9_sixtap_predict_c;
+extern subpixel_predict_function vp9_sixtap_predict8x4_c;
+extern subpixel_predict_function vp9_sixtap_predict8x8_c;
+extern subpixel_predict_function vp9_sixtap_predict16x16_c;
+extern subpixel_predict_function vp9_bilinear_predict4x4_c;
+extern subpixel_predict_function vp9_bilinear_predict8x4_c;
+extern subpixel_predict_function vp9_bilinear_predict8x8_c;
+extern subpixel_predict_function vp9_bilinear_predict16x16_c;
+
+extern copy_mem_block_function vp9_copy_mem16x16_c;
+extern copy_mem_block_function vp9_copy_mem8x8_c;
+extern copy_mem_block_function vp9_copy_mem8x4_c;
+
+void vp9_recon_b_c(short *diff_ptr, unsigned char *pred_ptr, unsigned char *dst_ptr, int stride);
+void vp9_recon2b_c(short *diff_ptr, unsigned char *pred_ptr, unsigned char *dst_ptr, int stride);
+void vp9_recon4b_c(short *diff_ptr, unsigned char *pred_ptr, unsigned char *dst_ptr, int stride);
+
+extern void vp9_short_idct4x4llm_1_c(short *input, short *output, int pitch);
+extern void vp9_short_idct4x4llm_c(short *input, short *output, int pitch);
+extern void vp8_dc_only_idct_c(short input_dc, short *output, int pitch);
+
+// PPC
+extern loop_filter_block_function loop_filter_mbv_ppc;
+extern loop_filter_block_function loop_filter_bv_ppc;
+extern loop_filter_block_function loop_filter_mbh_ppc;
+extern loop_filter_block_function loop_filter_bh_ppc;
+
+extern loop_filter_block_function loop_filter_mbvs_ppc;
+extern loop_filter_block_function loop_filter_bvs_ppc;
+extern loop_filter_block_function loop_filter_mbhs_ppc;
+extern loop_filter_block_function loop_filter_bhs_ppc;
+
+// Generic C
+extern loop_filter_block_function vp9_loop_filter_mbv_c;
+extern loop_filter_block_function vp9_loop_filter_bv_c;
+extern loop_filter_block_function vp9_loop_filter_mbh_c;
+extern loop_filter_block_function vp9_loop_filter_bh_c;
+
+extern loop_filter_block_function vp9_loop_filter_mbvs_c;
+extern loop_filter_block_function vp9_loop_filter_bvs_c;
+extern loop_filter_block_function vp9_loop_filter_mbhs_c;
+extern loop_filter_block_function vp9_loop_filter_bhs_c;
+
+extern loop_filter_block_function *vp8_lf_mbvfull;
+extern loop_filter_block_function *vp8_lf_mbhfull;
+extern loop_filter_block_function *vp8_lf_bvfull;
+extern loop_filter_block_function *vp8_lf_bhfull;
+
+extern loop_filter_block_function *vp8_lf_mbvsimple;
+extern loop_filter_block_function *vp8_lf_mbhsimple;
+extern loop_filter_block_function *vp8_lf_bvsimple;
+extern loop_filter_block_function *vp8_lf_bhsimple;
+
+void vp9_clear_c(void) {
+}
+
+void vp9_machine_specific_config(void) {
+  // Pure C:
+  vp9_clear_system_state                = vp9_clear_c;
+  vp9_recon_b                          = vp9_recon_b_c;
+  vp9_recon4b                         = vp9_recon4b_c;
+  vp9_recon2b                         = vp9_recon2b_c;
+
+  vp9_bilinear_predict16x16            = bilinear_predict16x16_ppc;
+  vp9_bilinear_predict8x8              = bilinear_predict8x8_ppc;
+  vp9_bilinear_predict8x4              = bilinear_predict8x4_ppc;
+  vp8_bilinear_predict                 = bilinear_predict4x4_ppc;
+
+  vp9_sixtap_predict16x16              = sixtap_predict16x16_ppc;
+  vp9_sixtap_predict8x8                = sixtap_predict8x8_ppc;
+  vp9_sixtap_predict8x4                = sixtap_predict8x4_ppc;
+  vp9_sixtap_predict                   = sixtap_predict_ppc;
+
+  vp8_short_idct4x4_1                  = vp9_short_idct4x4llm_1_c;
+  vp8_short_idct4x4                    = short_idct4x4llm_ppc;
+  vp8_dc_only_idct                      = vp8_dc_only_idct_c;
+
+  vp8_lf_mbvfull                       = loop_filter_mbv_ppc;
+  vp8_lf_bvfull                        = loop_filter_bv_ppc;
+  vp8_lf_mbhfull                       = loop_filter_mbh_ppc;
+  vp8_lf_bhfull                        = loop_filter_bh_ppc;
+
+  vp8_lf_mbvsimple                     = loop_filter_mbvs_ppc;
+  vp8_lf_bvsimple                      = loop_filter_bvs_ppc;
+  vp8_lf_mbhsimple                     = loop_filter_mbhs_ppc;
+  vp8_lf_bhsimple                      = loop_filter_bhs_ppc;
+
+  vp9_post_proc_down_and_across           = vp9_post_proc_down_and_across_c;
+  vp9_mbpost_proc_down                  = vp9_mbpost_proc_down_c;
+  vp9_mbpost_proc_across_ip              = vp9_mbpost_proc_across_ip_c;
+  vp9_plane_add_noise                   = vp9_plane_add_noise_c;
+
+  vp9_copy_mem16x16                    = copy_mem16x16_ppc;
+  vp9_copy_mem8x8                      = vp9_copy_mem8x8_c;
+  vp9_copy_mem8x4                      = vp9_copy_mem8x4_c;
+
+}