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已于 2024-09-20 19:12:28 修改 · 881 阅读

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#音视频

于 2024-09-20 13:45:34 首次发布

官方文档：

Capture video and audio playback | Android media | Android Developers

录制类型：设备音频，mic录制等：

public enum ScreenRecordingAudioSource {
NONE,
INTERNAL,
MIC,
MIC_AND_INTERNAL;
}

代码目录：

/frameworks/base/packages/SystemUI/src/com/android/systemui/screenrecord/ScreenInternalAudioRecorder.java

private void setupSimple() throws IOException {
int size = AudioRecord.getMinBufferSize(
mConfig.sampleRate, mConfig.channelInMask,
mConfig.encoding) * 2;
Log.d(TAG, "audio buffer size: " + size);
AudioFormat format = new AudioFormat.Builder()
.setEncoding(mConfig.encoding)
.setSampleRate(mConfig.sampleRate)