1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/content/media/omx/AudioOffloadPlayerBase.h Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,75 @@ 1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 1.5 +/* vim:set ts=2 sw=2 sts=2 et cindent: */ 1.6 +/* 1.7 + * Copyright (c) 2014 The Linux Foundation. All rights reserved. 1.8 + * Copyright (C) 2009 The Android Open Source Project 1.9 + * 1.10 + * Licensed under the Apache License, Version 2.0 (the "License"); 1.11 + * you may not use this file except in compliance with the License. 1.12 + * You may obtain a copy of the License at 1.13 + * 1.14 + * http://www.apache.org/licenses/LICENSE-2.0 1.15 + * 1.16 + * Unless required by applicable law or agreed to in writing, software 1.17 + * distributed under the License is distributed on an "AS IS" BASIS, 1.18 + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1.19 + * See the License for the specific language governing permissions and 1.20 + * limitations under the License. 1.21 + */ 1.22 + 1.23 +#ifndef AUDIO_OFFLOAD_PLAYER_BASE_H_ 1.24 +#define AUDIO_OFFLOAD_PLAYER_BASE_H_ 1.25 + 1.26 +#include "MediaDecoderOwner.h" 1.27 +#include "MediaOmxDecoder.h" 1.28 + 1.29 +namespace mozilla { 1.30 + 1.31 +class MediaOmxDecoder; 1.32 + 1.33 +/** 1.34 + * AudioOffloadPlayer interface class which has funtions used by MediaOmxDecoder 1.35 + * This is to reduce the dependency of AudioOffloadPlayer in MediaOmxDecoder 1.36 + */ 1.37 +class AudioOffloadPlayerBase 1.38 +{ 1.39 + typedef android::status_t status_t; 1.40 + typedef android::MediaSource MediaSource; 1.41 + 1.42 +public: 1.43 + virtual ~AudioOffloadPlayerBase() {}; 1.44 + 1.45 + // Caller retains ownership of "aSource". 1.46 + virtual void SetSource(const android::sp<MediaSource> &aSource) {} 1.47 + 1.48 + // Start the source if it's not already started and open the AudioSink to 1.49 + // create an offloaded audio track 1.50 + virtual status_t Start(bool aSourceAlreadyStarted = false) 1.51 + { 1.52 + return android::NO_INIT; 1.53 + } 1.54 + 1.55 + virtual status_t ChangeState(MediaDecoder::PlayState aState) 1.56 + { 1.57 + return android::NO_INIT; 1.58 + } 1.59 + 1.60 + virtual void SetVolume(double aVolume) {} 1.61 + 1.62 + virtual double GetMediaTimeSecs() { return 0; } 1.63 + 1.64 + // To update progress bar when the element is visible 1.65 + virtual void SetElementVisibility(bool aIsVisible) {} 1.66 + 1.67 + // Update ready state based on current play state. Not checking data 1.68 + // availability since offloading is currently done only when whole compressed 1.69 + // data is available 1.70 + virtual MediaDecoderOwner::NextFrameStatus GetNextFrameStatus() 1.71 + { 1.72 + return MediaDecoderOwner::NEXT_FRAME_UNAVAILABLE; 1.73 + } 1.74 +}; 1.75 + 1.76 +} // namespace mozilla 1.77 + 1.78 +#endif // AUDIO_OFFLOAD_PLAYER_BASE_H_