diff options
Diffstat (limited to 'libvideoeditor/lvpp/VideoEditorSRC.h')
| -rwxr-xr-x | libvideoeditor/lvpp/VideoEditorSRC.h | 196 |
1 files changed, 98 insertions, 98 deletions
diff --git a/libvideoeditor/lvpp/VideoEditorSRC.h b/libvideoeditor/lvpp/VideoEditorSRC.h index 85829e7..069665a 100755 --- a/libvideoeditor/lvpp/VideoEditorSRC.h +++ b/libvideoeditor/lvpp/VideoEditorSRC.h @@ -1,98 +1,98 @@ -/*
- * Copyright (C) 2011 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.
- */
-
-#include <stdint.h>
-
-#include <utils/RefBase.h>
-#include <utils/threads.h>
-
-#include <media/stagefright/MediaSource.h>
-
-#include "AudioBufferProvider.h"
-#include "AudioResampler.h"
-
-namespace android {
-
-struct MediaBuffer;
-
-class VideoEditorSRC : public MediaSource , public AudioBufferProvider {
-
- public:
- VideoEditorSRC(
- const sp<MediaSource> &source);
-
- virtual status_t start (MetaData *params = NULL);
- virtual status_t stop();
- virtual sp<MetaData> getFormat();
- virtual status_t read (
- MediaBuffer **buffer, const ReadOptions *options = NULL);
-
- virtual status_t getNextBuffer(Buffer* buffer);
- virtual void releaseBuffer(Buffer* buffer);
-
- void setResampling(int32_t sampleRate=kFreq32000Hz);
-
- enum { //Sampling freq
- kFreq8000Hz = 8000,
- kFreq11025Hz = 11025,
- kFreq12000Hz = 12000,
- kFreq16000Hz = 16000,
- kFreq22050Hz = 22050,
- kFreq240000Hz = 24000,
- kFreq32000Hz = 32000,
- kFreq44100 = 44100,
- kFreq48000 = 48000,
- };
-
- static const uint16_t UNITY_GAIN = 0x1000;
- static const int32_t DEFAULT_SAMPLING_FREQ = (int32_t)kFreq32000Hz; // kFreq44100;
-
- protected :
- virtual ~VideoEditorSRC();
- private:
-
- VideoEditorSRC();
- VideoEditorSRC &operator=(const VideoEditorSRC &);
-
- AudioResampler *mResampler;
- sp<MediaSource> mSource;
- MediaBuffer *mCopyBuffer;
- int mBitDepth;
- int mChannelCnt;
- int mSampleRate;
- int32_t mOutputSampleRate;
- bool mStarted;
- bool mIsResamplingRequired;
- bool mIsChannelConvertionRequired; // for mono to stereo
- sp<MetaData> mOutputFormat;
- Mutex mLock;
-
- uint8_t* mInterframeBuffer;
- int32_t mInterframeBufferPosition;
- int32_t mLeftover;
- int32_t mLastReadSize ;
-
- int64_t mInitialTimeStampUs;
- int64_t mAccuOutBufferSize;
-
- int64_t mSeekTimeUs;
- ReadOptions::SeekMode mSeekMode;
- int16_t *mReSampledBuffer;
-
-};
-
-} //namespce android
-
+/* + * Copyright (C) 2011 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. + */ + +#include <stdint.h> + +#include <utils/RefBase.h> +#include <utils/threads.h> + +#include <media/stagefright/MediaSource.h> + +#include "AudioBufferProvider.h" +#include "AudioResampler.h" + +namespace android { + +struct MediaBuffer; + +class VideoEditorSRC : public MediaSource , public AudioBufferProvider { + + public: + VideoEditorSRC( + const sp<MediaSource> &source); + + virtual status_t start (MetaData *params = NULL); + virtual status_t stop(); + virtual sp<MetaData> getFormat(); + virtual status_t read ( + MediaBuffer **buffer, const ReadOptions *options = NULL); + + virtual status_t getNextBuffer(Buffer* buffer); + virtual void releaseBuffer(Buffer* buffer); + + void setResampling(int32_t sampleRate=kFreq32000Hz); + + enum { //Sampling freq + kFreq8000Hz = 8000, + kFreq11025Hz = 11025, + kFreq12000Hz = 12000, + kFreq16000Hz = 16000, + kFreq22050Hz = 22050, + kFreq240000Hz = 24000, + kFreq32000Hz = 32000, + kFreq44100 = 44100, + kFreq48000 = 48000, + }; + + static const uint16_t UNITY_GAIN = 0x1000; + static const int32_t DEFAULT_SAMPLING_FREQ = (int32_t)kFreq32000Hz; // kFreq44100; + + protected : + virtual ~VideoEditorSRC(); + private: + + VideoEditorSRC(); + VideoEditorSRC &operator=(const VideoEditorSRC &); + + AudioResampler *mResampler; + sp<MediaSource> mSource; + MediaBuffer *mCopyBuffer; + int mBitDepth; + int mChannelCnt; + int mSampleRate; + int32_t mOutputSampleRate; + bool mStarted; + bool mIsResamplingRequired; + bool mIsChannelConvertionRequired; // for mono to stereo + sp<MetaData> mOutputFormat; + Mutex mLock; + + uint8_t* mInterframeBuffer; + int32_t mInterframeBufferPosition; + int32_t mLeftover; + int32_t mLastReadSize ; + + int64_t mInitialTimeStampUs; + int64_t mAccuOutBufferSize; + + int64_t mSeekTimeUs; + ReadOptions::SeekMode mSeekMode; + int16_t *mReSampledBuffer; + +}; + +} //namespce android + |