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author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:31:44 -0800 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:31:44 -0800 |
commit | 89fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5 (patch) | |
tree | 28d26f7b71e943e25c7da6e8043d79b7b8d9cf7b /include/media/MediaPlayerInterface.h | |
parent | 15f767b960b38059a74a42a33e16d8df2aec8bc1 (diff) | |
download | frameworks_av-89fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5.zip frameworks_av-89fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5.tar.gz frameworks_av-89fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5.tar.bz2 |
auto import from //depot/cupcake/@135843
Diffstat (limited to 'include/media/MediaPlayerInterface.h')
-rw-r--r-- | include/media/MediaPlayerInterface.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/include/media/MediaPlayerInterface.h b/include/media/MediaPlayerInterface.h new file mode 100644 index 0000000..7f0e7b3 --- /dev/null +++ b/include/media/MediaPlayerInterface.h @@ -0,0 +1,126 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_MEDIAPLAYERINTERFACE_H +#define ANDROID_MEDIAPLAYERINTERFACE_H + +#ifdef __cplusplus + +#include <ui/ISurface.h> +#include <utils/RefBase.h> + +#include <media/mediaplayer.h> +#include <media/AudioSystem.h> + +namespace android { + +enum player_type { + PV_PLAYER = 1, + SONIVOX_PLAYER = 2, + VORBIS_PLAYER = 3 +}; + +#define DEFAULT_AUDIOSINK_BUFFERCOUNT 4 +#define DEFAULT_AUDIOSINK_BUFFERSIZE 1200 +#define DEFAULT_AUDIOSINK_SAMPLERATE 44100 + + +// callback mechanism for passing messages to MediaPlayer object +typedef void (*notify_callback_f)(void* cookie, int msg, int ext1, int ext2); + +// abstract base class - use MediaPlayerInterface +class MediaPlayerBase : public RefBase +{ +public: + + // AudioSink: abstraction layer for audio output + class AudioSink : public RefBase { + public: + virtual ~AudioSink() {} + virtual bool ready() const = 0; // audio output is open and ready + virtual bool realtime() const = 0; // audio output is real-time output + virtual ssize_t bufferSize() const = 0; + virtual ssize_t frameCount() const = 0; + virtual ssize_t channelCount() const = 0; + virtual ssize_t frameSize() const = 0; + virtual uint32_t latency() const = 0; + virtual float msecsPerFrame() const = 0; + virtual status_t open(uint32_t sampleRate, int channelCount, int format=AudioSystem::PCM_16_BIT, int bufferCount=DEFAULT_AUDIOSINK_BUFFERCOUNT) = 0; + virtual void start() = 0; + virtual ssize_t write(const void* buffer, size_t size) = 0; + virtual void stop() = 0; + virtual void flush() = 0; + virtual void pause() = 0; + virtual void close() = 0; + }; + + MediaPlayerBase() : mCookie(0), mNotify(0) {} + virtual ~MediaPlayerBase() {} + virtual status_t initCheck() = 0; + virtual bool hardwareOutput() = 0; + virtual status_t setDataSource(const char *url) = 0; + virtual status_t setDataSource(int fd, int64_t offset, int64_t length) = 0; + virtual status_t setVideoSurface(const sp<ISurface>& surface) = 0; + virtual status_t prepare() = 0; + virtual status_t prepareAsync() = 0; + virtual status_t start() = 0; + virtual status_t stop() = 0; + virtual status_t pause() = 0; + virtual bool isPlaying() = 0; + virtual status_t seekTo(int msec) = 0; + virtual status_t getCurrentPosition(int *msec) = 0; + virtual status_t getDuration(int *msec) = 0; + virtual status_t reset() = 0; + virtual status_t setLooping(int loop) = 0; + virtual player_type playerType() = 0; + virtual void setNotifyCallback(void* cookie, notify_callback_f notifyFunc) { + mCookie = cookie; mNotify = notifyFunc; } + +protected: + virtual void sendEvent(int msg, int ext1=0, int ext2=0) { if (mNotify) mNotify(mCookie, msg, ext1, ext2); } + + void* mCookie; + notify_callback_f mNotify; +}; + +// Implement this class for media players that use the AudioFlinger software mixer +class MediaPlayerInterface : public MediaPlayerBase +{ +public: + virtual ~MediaPlayerInterface() { } + virtual bool hardwareOutput() { return false; } + virtual void setAudioSink(const sp<AudioSink>& audioSink) { mAudioSink = audioSink; } +protected: + sp<AudioSink> mAudioSink; +}; + +// Implement this class for media players that output directo to hardware +class MediaPlayerHWInterface : public MediaPlayerBase +{ +public: + virtual ~MediaPlayerHWInterface() {} + virtual bool hardwareOutput() { return true; } + virtual status_t setVolume(float leftVolume, float rightVolume) = 0; + virtual status_t setAudioStreamType(int streamType) = 0; +}; + +}; // namespace android + +#endif // __cplusplus + + +#endif // ANDROID_MEDIAPLAYERINTERFACE_H + |