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Fix audio input sample timestamp when audio driver loses audio samples

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Change-Id: Ic0f1489f710929af50e7714867ae5153b3242dd8
This commit is contained in:
James Dong
2010-09-14 11:48:11 -07:00
parent eea35ce87f
commit 7589ebfbfd
1 changed files with 4 additions and 1 deletions
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5
media/libstagefright/AudioSource.cpp
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@@ -256,6 +256,8 @@ status_t AudioSource::read(
if (numLostBytes > kMaxBufferSize) {
mPrevLostBytes = numLostBytes - kMaxBufferSize;
numLostBytes = kMaxBufferSize;
} else {
mPrevLostBytes = 0;
}
CHECK_EQ(numLostBytes & 1, 0);
@@ -275,8 +277,9 @@ status_t AudioSource::read(
memset(buffer->data(), 0, numLostBytes);
buffer->set_range(0, numLostBytes);
if (numFramesRecorded == 0) {
buffer->meta_data()->setInt64(kKeyTime, mStartTimeUs);
buffer->meta_data()->setInt64(kKeyAnchorTime, mStartTimeUs);
}
buffer->meta_data()->setInt64(kKeyTime, mStartTimeUs + mPrevSampleTimeUs);
buffer->meta_data()->setInt64(kKeyDriftTime, readTimeUs - mInitialReadTimeUs);
mPrevSampleTimeUs = timestampUs;
*out = buffer;