1116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch// Copyright 2014 The Chromium Authors. All rights reserved. 258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)// found in the LICENSE file. 458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 5116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch#ifndef MEDIA_CAST_SENDER_AUDIO_ENCODER_H_ 6116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch#define MEDIA_CAST_SENDER_AUDIO_ENCODER_H_ 758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)#include "base/memory/ref_counted.h" 958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)#include "base/memory/scoped_ptr.h" 10f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)#include "base/threading/thread_checker.h" 11a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "media/base/audio_bus.h" 124e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)#include "media/cast/cast_environment.h" 1358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 14f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)namespace base { 15f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)class TimeTicks; 1658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)} 1758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 1858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)namespace media { 19f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)namespace cast { 2058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 21a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)class AudioEncoder { 2258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) public: 231320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci // Callback to deliver each EncodedFrame, plus the number of audio samples 241320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci // skipped since the last frame. 251320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci typedef base::Callback<void(scoped_ptr<EncodedFrame>, int)> 26cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) FrameEncodedCallback; 2758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 28f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) AudioEncoder(const scoped_refptr<CastEnvironment>& cast_environment, 29116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch int num_channels, 30116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch int sampling_rate, 31116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch int bitrate, 32116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch Codec codec, 33f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const FrameEncodedCallback& frame_encoded_callback); 34a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) virtual ~AudioEncoder(); 3558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 365d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) CastInitializationStatus InitializationResult() const; 375d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 381320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci int GetSamplesPerFrame() const; 391320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 40a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) void InsertAudio(scoped_ptr<AudioBus> audio_bus, 41a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) const base::TimeTicks& recorded_time); 424e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) 4358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) private: 44f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) class ImplBase; 45f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) class OpusImpl; 46f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) class Pcm16Impl; 47f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 48f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const scoped_refptr<CastEnvironment> cast_environment_; 49a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) scoped_refptr<ImplBase> impl_; 5058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 51f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) // Used to ensure only one thread invokes InsertAudio(). 52f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) base::ThreadChecker insert_thread_checker_; 5358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 5458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(AudioEncoder); 5558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)}; 5658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 5758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)} // namespace cast 5858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)} // namespace media 5958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 60116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch#endif // MEDIA_CAST_SENDER_AUDIO_ENCODER_H_ 61