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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 #ifndef VP9_DECODER_VP9_DECODER_H_
     12 #define VP9_DECODER_VP9_DECODER_H_
     13 
     14 #include "./vpx_config.h"
     15 
     16 #include "vpx/vpx_codec.h"
     17 #include "vpx_scale/yv12config.h"
     18 
     19 #include "vp9/common/vp9_onyxc_int.h"
     20 #include "vp9/common/vp9_ppflags.h"
     21 #include "vp9/common/vp9_thread.h"
     22 
     23 #include "vp9/decoder/vp9_dthread.h"
     24 
     25 #ifdef __cplusplus
     26 extern "C" {
     27 #endif
     28 
     29 // TODO(hkuang): combine this with TileWorkerData.
     30 typedef struct TileData {
     31   VP9_COMMON *cm;
     32   vp9_reader bit_reader;
     33   DECLARE_ALIGNED(16, MACROBLOCKD, xd);
     34 } TileData;
     35 
     36 typedef struct VP9Decoder {
     37   DECLARE_ALIGNED(16, MACROBLOCKD, mb);
     38 
     39   DECLARE_ALIGNED(16, VP9_COMMON, common);
     40 
     41   int ready_for_new_data;
     42 
     43   int refresh_frame_flags;
     44 
     45   int frame_parallel_decode;  // frame-based threading.
     46 
     47   VP9Worker lf_worker;
     48   VP9Worker *tile_workers;
     49   int num_tile_workers;
     50 
     51   TileData *tile_data;
     52   int total_tiles;
     53 
     54   VP9LfSync lf_row_sync;
     55 
     56   vpx_decrypt_cb decrypt_cb;
     57   void *decrypt_state;
     58 
     59   int max_threads;
     60   int inv_tile_order;
     61 } VP9Decoder;
     62 
     63 int vp9_receive_compressed_data(struct VP9Decoder *pbi,
     64                                 size_t size, const uint8_t **dest);
     65 
     66 int vp9_get_raw_frame(struct VP9Decoder *pbi, YV12_BUFFER_CONFIG *sd,
     67                       vp9_ppflags_t *flags);
     68 
     69 vpx_codec_err_t vp9_copy_reference_dec(struct VP9Decoder *pbi,
     70                                        VP9_REFFRAME ref_frame_flag,
     71                                        YV12_BUFFER_CONFIG *sd);
     72 
     73 vpx_codec_err_t vp9_set_reference_dec(VP9_COMMON *cm,
     74                                       VP9_REFFRAME ref_frame_flag,
     75                                       YV12_BUFFER_CONFIG *sd);
     76 
     77 struct VP9Decoder *vp9_decoder_create();
     78 
     79 void vp9_decoder_remove(struct VP9Decoder *pbi);
     80 
     81 #ifdef __cplusplus
     82 }  // extern "C"
     83 #endif
     84 
     85 #endif  // VP9_DECODER_VP9_DECODER_H_
     86