Refactor ViEFilePlayer.
Types and arguments will be done in a later CL. Review URL: http://webrtc-codereview.appspot.com/324002 git-svn-id: http://webrtc.googlecode.com/svn/trunk@1180 4adac7df-926f-26a2-2b94-8c16560cd09d
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mflodman@webrtc.org
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@ -8,117 +8,131 @@
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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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/*
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* vie_file_player.h
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*/
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#ifndef WEBRTC_VIDEO_ENGINE_MAIN_SOURCE_VIE_FILE_PLAYER_H_
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#define WEBRTC_VIDEO_ENGINE_MAIN_SOURCE_VIE_FILE_PLAYER_H_
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#ifndef WEBRTC_VIDEO_ENGINE_VIE_FILE_PLAYER_H_
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#define WEBRTC_VIDEO_ENGINE_VIE_FILE_PLAYER_H_
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#include "common_types.h"
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#include "modules/media_file/interface/media_file_defines.h"
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#include "system_wrappers/interface/file_wrapper.h"
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#include "system_wrappers/interface/list_wrapper.h"
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#include "typedefs.h"
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#include "common_types.h" // webrtc::OutStream
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#include "file_player.h"
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#include "media_file_defines.h"
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#include "vie_file.h"
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#include "voe_file.h"
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#include "voe_video_sync.h"
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#include "list_wrapper.h"
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#include "vie_frame_provider_base.h"
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#include "file_wrapper.h"
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#include "video_engine/vie_frame_provider_base.h"
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namespace webrtc {
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namespace webrtc
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{
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class EventWrapper;
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class FilePlayer;
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class ThreadWrapper;
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class ViEFileObserver;
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class ViEInputManager;
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class ViEFilePlayer: public ViEFrameProviderBase,
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protected webrtc::FileCallback,
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protected webrtc::InStream // for audio
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{
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public:
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static ViEFilePlayer *CreateViEFilePlayer(int fileId, int engineId,
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const char* fileNameUTF8,
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const bool loop,
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const webrtc::FileFormats fileFormat,
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ViEInputManager& inputManager,
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VoiceEngine* vePtr);
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class VoEFile;
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class VoEVideoSync;
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class VoiceEngine;
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static int GetFileInformation(const int engineId,
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const char* fileName,
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webrtc::VideoCodec& videoCodec,
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webrtc::CodecInst& audioCodec,
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const webrtc::FileFormats fileFormat);
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~ViEFilePlayer();
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class ViEFilePlayer
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: public ViEFrameProviderBase,
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protected FileCallback,
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protected InStream {
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public:
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static ViEFilePlayer* CreateViEFilePlayer(int file_id,
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int engine_id,
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const char* file_nameUTF8,
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const bool loop,
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const FileFormats file_format,
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ViEInputManager& input_manager,
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VoiceEngine* voe_ptr);
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bool IsObserverRegistered();
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int RegisterObserver(ViEFileObserver& observer);
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int DeRegisterObserver();
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int SendAudioOnChannel(const int audioChannel, bool mixMicrophone,
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float volumeScaling);
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int StopSendAudioOnChannel(const int audioChannel);
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int PlayAudioLocally(const int audioChannel, float volumeScaling);
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int StopPlayAudioLocally(const int audioChannel);
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static int GetFileInformation(const int engine_id,
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const char* file_name,
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VideoCodec& video_codec,
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CodecInst& audio_codec,
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const FileFormats file_format);
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~ViEFilePlayer();
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//Implement ViEFrameProviderBase
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virtual int FrameCallbackChanged();
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bool IsObserverRegistered();
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int RegisterObserver(ViEFileObserver& observer);
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int DeRegisterObserver();
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int SendAudioOnChannel(const int audio_channel,
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bool mix_microphone,
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float volume_scaling);
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int StopSendAudioOnChannel(const int audio_channel);
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int PlayAudioLocally(const int audio_channel, float volume_scaling);
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int StopPlayAudioLocally(const int audio_channel);
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protected:
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ViEFilePlayer(int Id, int engineId, ViEInputManager& inputManager);
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int Init(const WebRtc_Word8* fileNameUTF8, const bool loop,
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const webrtc::FileFormats fileFormat, VoiceEngine* vePtr);
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int StopPlay();
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int StopPlayAudio();
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// Implements ViEFrameProviderBase.
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virtual int FrameCallbackChanged();
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// File play decode function.
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static bool FilePlayDecodeThreadFunction(void* obj);
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bool FilePlayDecodeProcess();
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bool NeedsAudioFromFile(void* buf);
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protected:
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ViEFilePlayer(int Id, int engine_id, ViEInputManager& input_manager);
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int Init(const WebRtc_Word8* file_nameUTF8,
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const bool loop,
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const FileFormats file_format,
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VoiceEngine* voe_ptr);
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int StopPlay();
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int StopPlayAudio();
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// From webrtc::InStream
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virtual int Read(void *buf, int len);
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virtual int Rewind() { return 0;}
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// File play decode function.
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static bool FilePlayDecodeThreadFunction(void* obj);
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bool FilePlayDecodeProcess();
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bool NeedsAudioFromFile(void* buf);
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// From FileCallback
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virtual void PlayNotification(const WebRtc_Word32 /*id*/,
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const WebRtc_UWord32 /*notificationMs*/){}
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virtual void RecordNotification(const WebRtc_Word32 id,
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const WebRtc_UWord32 notificationMs){}
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virtual void PlayFileEnded(const WebRtc_Word32 id);
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virtual void RecordFileEnded(const WebRtc_Word32 id) { }
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// Implements webrtc::InStream.
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virtual int Read(void* buf, int len);
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virtual int Rewind() {
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return 0;
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}
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// Implements FileCallback.
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virtual void PlayNotification(const WebRtc_Word32 /*id*/,
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const WebRtc_UWord32 /*notification_ms*/) {}
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virtual void RecordNotification(const WebRtc_Word32 /*id*/,
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const WebRtc_UWord32 /*notification_ms*/) {}
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virtual void PlayFileEnded(const WebRtc_Word32 id);
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virtual void RecordFileEnded(const WebRtc_Word32 /*id*/) {}
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private:
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enum { kThreadWaitTimeMs = 100 };
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private:
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bool play_back_started_;
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ViEInputManager& input_manager_;
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bool _playBackStarted;
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ViEInputManager& _inputManager;
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CriticalSectionWrapper* feedback_cs_;
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CriticalSectionWrapper* audio_cs_;
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CriticalSectionWrapper* _ptrFeedBackCritSect;
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CriticalSectionWrapper* _ptrAudioCritSect;
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FilePlayer* file_player_;
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bool audio_stream_;
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webrtc::FilePlayer* _filePlayer;
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bool _audioStream;
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// Number of active video clients.
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int video_clients_;
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int _videoClients; // Number of active video clients
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int _audioClients; //No of audio channels sending this audio.
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int _localAudioChannel; //Local audio channel playing this video. Sync video against this.
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// Number of audio channels sending this audio.
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int audio_clients_;
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ViEFileObserver* _observer;
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WebRtc_Word8 _fileName[FileWrapper::kMaxFileNameSize];
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// Local audio channel playing this video. Sync video against this.
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int local_audio_channel_;
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// VE Interface
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VoEFile* _veFileInterface;
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VoEVideoSync* _veVideoSync;
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// Thread for decoding video (and audio if no audio clients connected)
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ThreadWrapper* _ptrDecodeThread;
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EventWrapper* _ptrDecodeEvent;
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WebRtc_Word16 _decodedAudio[320];
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WebRtc_UWord32 _decodedAudioLength;
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ViEFileObserver* observer_;
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WebRtc_Word8 file_name_[FileWrapper::kMaxFileNameSize];
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ListWrapper _audioChannelBuffers; //trick - list containing VE buffer reading this file. Used if multiple audio channels are sending.
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MapWrapper _audioChannelsSending; // AudioChannels sending audio from this file
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VideoFrame _decodedVideo; // Frame receiving decoded video from file.
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// VoE Interface.
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VoEFile* voe_file_interface_;
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VoEVideoSync* voe_video_sync_;
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// Thread for decoding video (and audio if no audio clients connected).
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ThreadWrapper* decode_thread_;
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EventWrapper* decode_event_;
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WebRtc_Word16 decoded_audio_[320];
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WebRtc_UWord32 decoded_audio_length_;
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// Trick - list containing VoE buffer reading this file. Used if multiple
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// audio channels are sending.
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ListWrapper audio_channel_buffers_;
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// AudioChannels sending audio from this file.
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MapWrapper audio_channels_sending_;
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// Frame receiving decoded video from file.
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VideoFrame decoded_video_;
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};
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} // namespace webrtc
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#endif // WEBRTC_VIDEO_ENGINE_MAIN_SOURCE_VIE_FILE_PLAYER_H_
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} // namespace webrtc
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#endif // WEBRTC_VIDEO_ENGINE_VIE_FILE_PLAYER_H_
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