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1 /*
2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 
12 #ifndef __INC_VP8D_INT_H
13 #define __INC_VP8D_INT_H
14 #include "vpx_ports/config.h"
15 #include "onyxd.h"
16 #include "treereader.h"
17 #include "onyxc_int.h"
18 #include "threading.h"
19 #include "dequantize.h"
20 
21 typedef struct
22 {
23     int ithread;
24     void *ptr1;
25     void *ptr2;
26 } DECODETHREAD_DATA;
27 
28 typedef struct
29 {
30     MACROBLOCKD  mbd;
31     int mb_row;
32     int current_mb_col;
33     short *coef_ptr;
34 } MB_ROW_DEC;
35 
36 typedef struct
37 {
38     INT64 time_stamp;
39     int size;
40 } DATARATE;
41 
42 typedef struct
43 {
44     INT16         min_val;
45     INT16         Length;
46     UINT8 Probs[12];
47 } TOKENEXTRABITS;
48 
49 typedef struct
50 {
51     int const *scan;
52     UINT8 const *ptr_block2leftabove;
53     vp8_tree_index const *vp8_coef_tree_ptr;
54     TOKENEXTRABITS const *teb_base_ptr;
55     unsigned char *norm_ptr;
56     UINT8 *ptr_coef_bands_x;
57 
58     ENTROPY_CONTEXT_PLANES *A;
59     ENTROPY_CONTEXT_PLANES *L;
60 
61     INT16 *qcoeff_start_ptr;
62     BOOL_DECODER *current_bc;
63 
64     vp8_prob const *coef_probs[4];
65 
66     UINT8 eob[25];
67 
68 } DETOK;
69 
70 typedef struct VP8Decompressor
71 {
72     DECLARE_ALIGNED(16, MACROBLOCKD, mb);
73 
74     DECLARE_ALIGNED(16, VP8_COMMON, common);
75 
76     vp8_reader bc, bc2;
77 
78     VP8D_CONFIG oxcf;
79 
80 
81     const unsigned char *Source;
82     unsigned int   source_sz;
83 
84 
85     unsigned int CPUFreq;
86     unsigned int decode_microseconds;
87     unsigned int time_decoding;
88     unsigned int time_loop_filtering;
89 
90     volatile int b_multithreaded_rd;
91     int max_threads;
92     int current_mb_col_main;
93     int decoding_thread_count;
94     int allocated_decoding_thread_count;
95 
96     /* variable for threading */
97 #if CONFIG_MULTITHREAD
98     int mt_baseline_filter_level[MAX_MB_SEGMENTS];
99     int sync_range;
100     int *mt_current_mb_col;                  /* Each row remembers its already decoded column. */
101 
102     unsigned char **mt_yabove_row;           /* mb_rows x width */
103     unsigned char **mt_uabove_row;
104     unsigned char **mt_vabove_row;
105     unsigned char **mt_yleft_col;            /* mb_rows x 16 */
106     unsigned char **mt_uleft_col;            /* mb_rows x 8 */
107     unsigned char **mt_vleft_col;            /* mb_rows x 8 */
108 
109     MB_ROW_DEC           *mb_row_di;
110     DECODETHREAD_DATA    *de_thread_data;
111 
112     pthread_t           *h_decoding_thread;
113     sem_t               *h_event_start_decoding;
114     sem_t                h_event_end_decoding;
115     /* end of threading data */
116 #endif
117 
118     vp8_reader *mbc;
119     INT64 last_time_stamp;
120     int   ready_for_new_data;
121 
122     DATARATE dr[16];
123 
124     DETOK detoken;
125 
126 #if CONFIG_RUNTIME_CPU_DETECT
127     vp8_dequant_rtcd_vtable_t        dequant;
128     struct vp8_dboolhuff_rtcd_vtable dboolhuff;
129 #endif
130 
131 
132     vp8_prob prob_intra;
133     vp8_prob prob_last;
134     vp8_prob prob_gf;
135     vp8_prob prob_skip_false;
136 
137 } VP8D_COMP;
138 
139 int vp8_decode_frame(VP8D_COMP *cpi);
140 void vp8_dmachine_specific_config(VP8D_COMP *pbi);
141 
142 
143 #if CONFIG_DEBUG
144 #define CHECK_MEM_ERROR(lval,expr) do {\
145         lval = (expr); \
146         if(!lval) \
147             vpx_internal_error(&pbi->common.error, VPX_CODEC_MEM_ERROR,\
148                                "Failed to allocate "#lval" at %s:%d", \
149                                __FILE__,__LINE__);\
150     } while(0)
151 #else
152 #define CHECK_MEM_ERROR(lval,expr) do {\
153         lval = (expr); \
154         if(!lval) \
155             vpx_internal_error(&pbi->common.error, VPX_CODEC_MEM_ERROR,\
156                                "Failed to allocate "#lval);\
157     } while(0)
158 #endif
159 
160 #endif
161