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 #ifndef VPX_VP8_DECODER_ONYXD_INT_H_ 12 #define VPX_VP8_DECODER_ONYXD_INT_H_ 13 14 #include <assert.h> 15 16 #include "vpx_config.h" 17 #include "vpx_util/vpx_pthread.h" 18 #include "vp8/common/onyxd.h" 19 #include "treereader.h" 20 #include "vp8/common/onyxc_int.h" 21 #include "vp8/common/threading.h" 22 23 #if CONFIG_ERROR_CONCEALMENT 24 #include "ec_types.h" 25 #endif 26 27 #ifdef __cplusplus 28 extern "C" { 29 #endif 30 31 typedef struct { 32 int ithread; 33 void *ptr1; 34 void *ptr2; 35 } DECODETHREAD_DATA; 36 37 typedef struct { 38 MACROBLOCKD mbd; 39 } MB_ROW_DEC; 40 41 typedef struct { 42 int enabled; 43 unsigned int count; 44 const unsigned char *ptrs[MAX_PARTITIONS]; 45 unsigned int sizes[MAX_PARTITIONS]; 46 } FRAGMENT_DATA; 47 48 #define MAX_FB_MT_DEC 32 49 50 struct frame_buffers { 51 /* 52 * this struct will be populated with frame buffer management 53 * info in future commits. */ 54 55 /* decoder instances */ 56 struct VP8D_COMP *pbi[MAX_FB_MT_DEC]; 57 }; 58 59 typedef struct VP8D_COMP { 60 DECLARE_ALIGNED(16, MACROBLOCKD, mb); 61 62 YV12_BUFFER_CONFIG *dec_fb_ref[NUM_YV12_BUFFERS]; 63 64 DECLARE_ALIGNED(16, VP8_COMMON, common); 65 66 /* the last partition will be used for the modes/mvs */ 67 vp8_reader mbc[MAX_PARTITIONS]; 68 69 VP8D_CONFIG oxcf; 70 71 FRAGMENT_DATA fragments; 72 73 #if CONFIG_MULTITHREAD 74 /* variable for threading */ 75 76 vpx_atomic_int b_multithreaded_rd; 77 int max_threads; 78 int current_mb_col_main; 79 unsigned int decoding_thread_count; 80 int allocated_decoding_thread_count; 81 82 int mt_baseline_filter_level[MAX_MB_SEGMENTS]; 83 int sync_range; 84 /* Each row remembers its already decoded column. */ 85 vpx_atomic_int *mt_current_mb_col; 86 87 unsigned char **mt_yabove_row; /* mb_rows x width */ 88 unsigned char **mt_uabove_row; 89 unsigned char **mt_vabove_row; 90 unsigned char **mt_yleft_col; /* mb_rows x 16 */ 91 unsigned char **mt_uleft_col; /* mb_rows x 8 */ 92 unsigned char **mt_vleft_col; /* mb_rows x 8 */ 93 94 MB_ROW_DEC *mb_row_di; 95 DECODETHREAD_DATA *de_thread_data; 96 97 pthread_t *h_decoding_thread; 98 vp8_sem_t *h_event_start_decoding; 99 vp8_sem_t h_event_end_decoding; 100 /* end of threading data */ 101 #endif 102 103 int ready_for_new_data; 104 105 vp8_prob prob_intra; 106 vp8_prob prob_last; 107 vp8_prob prob_gf; 108 vp8_prob prob_skip_false; 109 110 #if CONFIG_ERROR_CONCEALMENT 111 MB_OVERLAP *overlaps; 112 /* the mb num from which modes and mvs (first partition) are corrupt */ 113 unsigned int mvs_corrupt_from_mb; 114 #endif 115 int ec_enabled; 116 int ec_active; 117 int decoded_key_frame; 118 int independent_partitions; 119 int frame_corrupt_residual; 120 121 vpx_decrypt_cb decrypt_cb; 122 void *decrypt_state; 123 #if CONFIG_MULTITHREAD 124 // Restart threads on next frame if set to 1. 125 // This is set when error happens in multithreaded decoding and all threads 126 // are shut down. 127 int restart_threads; 128 #endif 129 } VP8D_COMP; 130 131 void vp8cx_init_de_quantizer(VP8D_COMP *pbi); 132 void vp8_mb_init_dequantizer(VP8D_COMP *pbi, MACROBLOCKD *xd); 133 int vp8_decode_frame(VP8D_COMP *pbi); 134 135 int vp8_create_decoder_instances(struct frame_buffers *fb, VP8D_CONFIG *oxcf); 136 int vp8_remove_decoder_instances(struct frame_buffers *fb); 137 138 #ifdef __cplusplus 139 } // extern "C" 140 #endif 141 142 #endif // VPX_VP8_DECODER_ONYXD_INT_H_ 143