onyxd_int.h 3.54 KB
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/*
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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
 *  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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 */


#ifndef __INC_VP8D_INT_H
#define __INC_VP8D_INT_H
#include "vpx_ports/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"
#include "vp8/common/threading.h"
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#include "dequantize.h"

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
{
    INT64 time_stamp;
    int size;
} DATARATE;

typedef struct
{
    INT16         min_val;
    INT16         Length;
    UINT8 Probs[12];
} TOKENEXTRABITS;

typedef struct
{
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    int const *scan;
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    UINT8 const *ptr_block2leftabove;
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    vp8_tree_index const *vp8_coef_tree_ptr;
    TOKENEXTRABITS const *teb_base_ptr;
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    unsigned char *norm_ptr;
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    UINT8 *ptr_coef_bands_x;
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    ENTROPY_CONTEXT_PLANES *A;
    ENTROPY_CONTEXT_PLANES *L;
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    INT16 *qcoeff_start_ptr;
    BOOL_DECODER *current_bc;

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    vp8_prob const *coef_probs[4];
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    UINT8 eob[25];

} DETOK;

typedef struct VP8Decompressor
{
    DECLARE_ALIGNED(16, MACROBLOCKD, mb);

    DECLARE_ALIGNED(16, VP8_COMMON, common);

    vp8_reader bc, bc2;

    VP8D_CONFIG oxcf;


    const unsigned char *Source;
    unsigned int   source_sz;

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#if CONFIG_MULTITHREAD
    /* variable for threading */

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    volatile int b_multithreaded_rd;
    int max_threads;
    int current_mb_col_main;
    int decoding_thread_count;
    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;
    unsigned char **mt_vabove_row;
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    unsigned char **mt_yleft_col;            /* mb_rows x 16 */
    unsigned char **mt_uleft_col;            /* mb_rows x 8 */
    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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    vp8_reader *mbc;
    INT64 last_time_stamp;
    int   ready_for_new_data;

    DATARATE dr[16];

    DETOK detoken;

#if CONFIG_RUNTIME_CPU_DETECT
    vp8_dequant_rtcd_vtable_t        dequant;
#endif

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    vp8_prob prob_intra;
    vp8_prob prob_last;
    vp8_prob prob_gf;
    vp8_prob prob_skip_false;

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} VP8D_COMP;

int vp8_decode_frame(VP8D_COMP *cpi);
void vp8_dmachine_specific_config(VP8D_COMP *pbi);


#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