libvpx: Add VP9 decoder.

source/libvpx/vp9/decoder/vp9_onyxd_int.h

+/*
+ *  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.
+ */
+
+
+#ifndef VP9_DECODER_VP9_ONYXD_INT_H_
+#define VP9_DECODER_VP9_ONYXD_INT_H_
+#include "vpx_ports/config.h"
+#include "vp9/common/vp9_onyxd.h"
+#include "vp9/decoder/vp9_treereader.h"
+#include "vp9/common/vp9_onyxc_int.h"
+#include "vp9/decoder/vp9_dequantize.h"
+
+// #define DEC_DEBUG
+
+typedef struct {
+  int ithread;
+  void *ptr1;
+  void *ptr2;
+} DECODETHREAD_DATA;
+
+typedef struct {
+  MACROBLOCKD  mbd;
+  int mb_row;
+  int current_mb_col;
+  short *coef_ptr;
+} MB_ROW_DEC;
+
+typedef struct {
+  int const *scan;
+  int const *scan_8x8;
+  UINT8 const *ptr_block2leftabove;
+  vp9_tree_index const *vp9_coef_tree_ptr;
+  unsigned char *norm_ptr;
+  UINT8 *ptr_coef_bands_x;
+  UINT8 *ptr_coef_bands_x_8x8;
+
+  ENTROPY_CONTEXT_PLANES *A;
+  ENTROPY_CONTEXT_PLANES *L;
+
+  INT16 *qcoeff_start_ptr;
+
+  vp9_prob const *coef_probs[BLOCK_TYPES];
+  vp9_prob const *coef_probs_8x8[BLOCK_TYPES_8X8];
+  vp9_prob const *coef_probs_16X16[BLOCK_TYPES_16X16];
+
+  UINT8 eob[25];
+
+} DETOK;
+
+typedef struct VP9Decompressor {
+  DECLARE_ALIGNED(16, MACROBLOCKD, mb);
+
+  DECLARE_ALIGNED(16, VP9_COMMON, common);
+
+  VP9D_CONFIG oxcf;
+
+
+  const unsigned char *Source;
+  unsigned int   source_sz;
+
+  vp9_reader *mbc;
+  int64_t last_time_stamp;
+  int   ready_for_new_data;
+
+  DETOK detoken;
+
+  vp9_dequant_idct_add_fn_t            idct_add;
+  vp9_dequant_dc_idct_add_fn_t         dc_idct_add;
+  vp9_dequant_dc_idct_add_y_block_fn_t dc_idct_add_y_block;
+  vp9_dequant_idct_add_y_block_fn_t    idct_add_y_block;
+  vp9_dequant_idct_add_uv_block_fn_t   idct_add_uv_block;
+
+  vp9_prob prob_skip_false;
+
+  int decoded_key_frame;
+
+} VP9D_COMP;
+
+int vp9_decode_frame(VP9D_COMP *cpi, const unsigned char **p_data_end);
+
+
+#if CONFIG_DEBUG
+#define CHECK_MEM_ERROR(lval,expr) do {\
+    lval = (expr); \
+    if(!lval) \
+      vpx_internal_error(&pbi->common.error, VPX_CODEC_MEM_ERROR,\
+                         "Failed to allocate "#lval" at %s:%d", \
+                         __FILE__,__LINE__);\
+  } while(0)
+#else
+#define CHECK_MEM_ERROR(lval,expr) do {\
+    lval = (expr); \
+    if(!lval) \
+      vpx_internal_error(&pbi->common.error, VPX_CODEC_MEM_ERROR,\
+                         "Failed to allocate "#lval);\
+  } while(0)
+#endif
+
+#endif  // __INC_ONYXD_INT_H