160 строки
3.9 KiB
C
160 строки
3.9 KiB
C
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef VP8_DECODER_ONYXD_INT_H_
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#define VP8_DECODER_ONYXD_INT_H_
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#include "vpx_config.h"
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#include "vp8/common/onyxd.h"
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#include "treereader.h"
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#include "vp8/common/onyxc_int.h"
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#include "vp8/common/threading.h"
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#if CONFIG_ERROR_CONCEALMENT
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#include "ec_types.h"
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct
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{
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int ithread;
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void *ptr1;
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void *ptr2;
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} DECODETHREAD_DATA;
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typedef struct
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{
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MACROBLOCKD mbd;
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} MB_ROW_DEC;
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typedef struct
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{
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int enabled;
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unsigned int count;
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const unsigned char *ptrs[MAX_PARTITIONS];
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unsigned int sizes[MAX_PARTITIONS];
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} FRAGMENT_DATA;
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#define MAX_FB_MT_DEC 32
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struct frame_buffers
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{
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/*
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* this struct will be populated with frame buffer management
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* info in future commits. */
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/* enable/disable frame-based threading */
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int use_frame_threads;
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/* decoder instances */
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struct VP8D_COMP *pbi[MAX_FB_MT_DEC];
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};
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typedef struct VP8D_COMP
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{
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DECLARE_ALIGNED(16, MACROBLOCKD, mb);
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YV12_BUFFER_CONFIG *dec_fb_ref[NUM_YV12_BUFFERS];
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DECLARE_ALIGNED(16, VP8_COMMON, common);
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/* the last partition will be used for the modes/mvs */
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vp8_reader mbc[MAX_PARTITIONS];
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VP8D_CONFIG oxcf;
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FRAGMENT_DATA fragments;
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#if CONFIG_MULTITHREAD
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/* variable for threading */
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volatile int b_multithreaded_rd;
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int max_threads;
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int current_mb_col_main;
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unsigned int decoding_thread_count;
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int allocated_decoding_thread_count;
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int mt_baseline_filter_level[MAX_MB_SEGMENTS];
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int sync_range;
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int *mt_current_mb_col; /* Each row remembers its already decoded column. */
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unsigned char **mt_yabove_row; /* mb_rows x width */
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unsigned char **mt_uabove_row;
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unsigned char **mt_vabove_row;
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unsigned char **mt_yleft_col; /* mb_rows x 16 */
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unsigned char **mt_uleft_col; /* mb_rows x 8 */
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unsigned char **mt_vleft_col; /* mb_rows x 8 */
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MB_ROW_DEC *mb_row_di;
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DECODETHREAD_DATA *de_thread_data;
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pthread_t *h_decoding_thread;
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sem_t *h_event_start_decoding;
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sem_t h_event_end_decoding;
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/* end of threading data */
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#endif
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int64_t last_time_stamp;
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int ready_for_new_data;
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vp8_prob prob_intra;
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vp8_prob prob_last;
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vp8_prob prob_gf;
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vp8_prob prob_skip_false;
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#if CONFIG_ERROR_CONCEALMENT
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MB_OVERLAP *overlaps;
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/* the mb num from which modes and mvs (first partition) are corrupt */
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unsigned int mvs_corrupt_from_mb;
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#endif
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int ec_enabled;
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int ec_active;
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int decoded_key_frame;
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int independent_partitions;
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int frame_corrupt_residual;
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vpx_decrypt_cb decrypt_cb;
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void *decrypt_state;
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} VP8D_COMP;
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int vp8_decode_frame(VP8D_COMP *cpi);
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int vp8_create_decoder_instances(struct frame_buffers *fb, VP8D_CONFIG *oxcf);
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int vp8_remove_decoder_instances(struct frame_buffers *fb);
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#if CONFIG_DEBUG
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#define CHECK_MEM_ERROR(lval,expr) do {\
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lval = (expr); \
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if(!lval) \
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vpx_internal_error(&pbi->common.error, VPX_CODEC_MEM_ERROR,\
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"Failed to allocate "#lval" at %s:%d", \
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__FILE__,__LINE__);\
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} while(0)
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#else
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#define CHECK_MEM_ERROR(lval,expr) do {\
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lval = (expr); \
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if(!lval) \
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vpx_internal_error(&pbi->common.error, VPX_CODEC_MEM_ERROR,\
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"Failed to allocate "#lval);\
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} while(0)
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#endif
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // VP8_DECODER_ONYXD_INT_H_
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