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Diffstat (limited to 'include/media/stagefright/AACWriter.h')
-rw-r--r-- | include/media/stagefright/AACWriter.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/include/media/stagefright/AACWriter.h b/include/media/stagefright/AACWriter.h new file mode 100644 index 0000000..fa3ab8a --- /dev/null +++ b/include/media/stagefright/AACWriter.h @@ -0,0 +1,75 @@ +/* + * 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. + */ + +#ifndef AAC_WRITER_H_ +#define AAC_WRITER_H_ + +#include <media/stagefright/MediaWriter.h> +#include <utils/threads.h> + +namespace android { + +struct MediaSource; +struct MetaData; + +struct AACWriter : public MediaWriter { + AACWriter(const char *filename); + AACWriter(int fd); + + status_t initCheck() const; + + virtual status_t addSource(const sp<MediaSource> &source); + virtual bool reachedEOS(); + virtual status_t start(MetaData *params = NULL); + virtual status_t stop(); + virtual status_t pause(); + +protected: + virtual ~AACWriter(); + +private: + enum { + kAdtsHeaderLength = 7, // # of bytes for the adts header + kSamplesPerFrame = 1024, // # of samples in a frame + }; + + int mFd; + status_t mInitCheck; + sp<MediaSource> mSource; + bool mStarted; + volatile bool mPaused; + volatile bool mResumed; + volatile bool mDone; + volatile bool mReachedEOS; + pthread_t mThread; + int64_t mEstimatedSizeBytes; + int64_t mEstimatedDurationUs; + int32_t mChannelCount; + int32_t mSampleRate; + int32_t mFrameDurationUs; + + static void *ThreadWrapper(void *); + status_t threadFunc(); + bool exceedsFileSizeLimit(); + bool exceedsFileDurationLimit(); + status_t writeAdtsHeader(uint32_t frameLength); + + DISALLOW_EVIL_CONSTRUCTORS(AACWriter); +}; + +} // namespace android + +#endif // AAC_WRITER_H_ |