mediarecorder调用流程

最新推荐文章于 2023-10-13 15:30:16 发布

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最新推荐文章于 2023-10-13 15:30:16 发布 · 置顶 · 2.1k 阅读

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CC 4.0 BY-SA版权

本文详细解析了Android中使用MediaRecorder进行MPEG4视频录制的流程，从MediaRecorder的设置到启动，涉及AudioSource、CameraSource、MPEG4Writer等多个组件的交互，最终实现音视频数据的写入和文件的生成。

MediaRecordertest.java
MediaRecorder.java
android_media_mediarecorder.cpp
MediaRecorder.cpp(BpMediaRecorder)
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Binder
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MediaPlayerService::createMediaRecorder
new MediaRecorderClient(class MediaRecorderClient : public BnMediaRecorder)
new StagefrightRecorder(struct StagefrightRecorder : public MediaRecorderBase)
StagefrightRecorder::startMPEG4Recording()
mWriter = new MPEG4Writer(dup(mOutputFd))
setupAudioEncoder(const sp& mWriter)
createAudioSource()
audioSource=new AudioSource(mA