tizen_src/chromium_impl/media/base/tizen/webaudio_decoder_browser_capi.h

   1 // Copyright 2015 Samsung Electronics Inc. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef MEDIA_BASE_TIZEN_WEBAUDIO_DECODER_BROWSER_CAPI_H_
   6 #define MEDIA_BASE_TIZEN_WEBAUDIO_DECODER_BROWSER_CAPI_H_
   7
   8 #include <player.h>
   9 #include <player_internal.h>
  10
  11 #include "base/memory/singleton.h"
  12 #include "base/memory/shared_memory.h"
  13 #include "base/threading/thread.h"
  14 #include "media/base/efl/webaudio_decoder_efl.h"
  15 #include "media/base/media_export.h"
  16
  17 namespace media {
  18
  19 struct WAPCMdata;
  20
  21 // WebAudioDecoderCapi class
  22 class MEDIA_EXPORT WebAudioDecoderCapi : public WebAudioDecoder {
  23  public:
  24   static WebAudioDecoderCapi* GetInstance();
  25   virtual ~WebAudioDecoderCapi();
  26
  27   // media::WebAudioDecoder implementation.
  28   void EncodedDataReceived(base::SharedMemoryHandle memory_handle,
  29                            base::FileDescriptor pcm_output,
  30                            uint32_t data_size) override;
  31
  32  private:
  33   friend struct base::DefaultSingletonTraits<WebAudioDecoderCapi>;
  34   WebAudioDecoderCapi();
  35   void DecodeUsingCAPI(base::SharedMemoryHandle foreign_memory_handle,
  36                        base::FileDescriptor pcm_output,
  37                        uint32_t data_size);
  38
  39   base::Thread capi_thread_;
  40
  41   DISALLOW_COPY_AND_ASSIGN(WebAudioDecoderCapi);
  42 };
  43
  44 class AudioDecoderCapi {
  45  public:
  46   AudioDecoderCapi(base::FileDescriptor pcm_output, uint8_t* data,
  47                    uint32_t data_size);
  48   virtual ~AudioDecoderCapi();
  49   void OnPlayerPrepared();
  50   void OnPlayerDecodedBufferReady(player_audio_raw_data_s* pcm_data);
  51   void OnPlayerEos();
  52   void OnPlayerError(int error_code, const char* msg);
  53   void OnStartDecodeProcess();
  54
  55  private:
  56   void InitializePlayer();
  57   void StartDecodeProcess();
  58
  59   void PlayerPrepared();
  60   void PlayerDecodedBufferReady(WAPCMdata* pcm_data);
  61   void PlayerEos();
  62   void PlayerError(int error_code, const char* msg);
  63
  64  private:
  65   base::Thread decoder_thread_;
  66
  67   // CAPI player handle.
  68   player_h player_;
  69
  70   // The audio file information and decoded pcm data are written to
  71   // this file descriptor. We take ownership of this descriptor.
  72   int pcm_output_;
  73
  74   // The length of the encoded data.
  75   uint32_t data_size_;
  76
  77   // Encoded audio data.
  78   uint8_t* encoded_data_;
  79
  80   bool is_new_request_;
  81   bool is_running_;
  82 };
  83
  84 }  // namespace media
  85
  86 #endif  // MEDIA_BASE_TIZEN_WEBAUDIO_DECODER_BROWSER_CAPI_H_