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Not all audio source has the drift time information

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Change-Id: I74e502376348ca4a6ffaa7492bed35c1355e7e62
This commit is contained in:
James Dong
2010-09-03 12:01:55 -07:00
parent 7755cdd696
commit 3caa71483f
3 changed files with 15 additions and 12 deletions
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9
media/libstagefright/codecs/aacenc/AACEncoder.cpp
View File

@@ -209,7 +209,7 @@ status_t AACEncoder::read(
CHECK_EQ(mBufferGroup->acquire_buffer(&buffer), OK);
uint8_t *outPtr = (uint8_t *)buffer->data();
bool readFromSource = false;
int64_t wallClockTimeUs = 0;
int64_t wallClockTimeUs = -1;
if (mFrameCount == 0) {
memcpy(outPtr, mAudioSpecificConfigData, 2);
@@ -240,8 +240,9 @@ status_t AACEncoder::read(
CHECK_EQ(align, 0);
int64_t timeUs;
CHECK(mInputBuffer->meta_data()->findInt64(kKeyDriftTime, &timeUs));
wallClockTimeUs = timeUs;
if (mInputBuffer->meta_data()->findInt64(kKeyDriftTime, &timeUs)) {
wallClockTimeUs = timeUs;
}
if (mInputBuffer->meta_data()->findInt64(kKeyTime, &timeUs)) {
mAnchorTimeUs = timeUs;
}
@@ -298,7 +299,7 @@ status_t AACEncoder::read(
int64_t mediaTimeUs =
((mFrameCount - 1) * 1000000LL * kNumSamplesPerFrame) / mSampleRate;
buffer->meta_data()->setInt64(kKeyTime, mAnchorTimeUs + mediaTimeUs);
if (readFromSource) {
if (readFromSource && wallClockTimeUs != -1) {
buffer->meta_data()->setInt64(kKeyDriftTime, mediaTimeUs - wallClockTimeUs);
}
++mFrameCount;

9
media/libstagefright/codecs/amrnb/enc/AMRNBEncoder.cpp
View File

@@ -148,7 +148,7 @@ status_t AMRNBEncoder::read(
ReadOptions::SeekMode mode;
CHECK(options == NULL || !options->getSeekTo(&seekTimeUs, &mode));
bool readFromSource = false;
int64_t wallClockTimeUs = 0;
int64_t wallClockTimeUs = -1;
while (mNumInputSamples < kNumSamplesPerFrame) {
if (mInputBuffer == NULL) {
@@ -171,8 +171,9 @@ status_t AMRNBEncoder::read(
readFromSource = true;
int64_t timeUs;
CHECK(mInputBuffer->meta_data()->findInt64(kKeyDriftTime, &timeUs));
wallClockTimeUs = timeUs;
if (mInputBuffer->meta_data()->findInt64(kKeyDriftTime, &timeUs)) {
wallClockTimeUs = timeUs;
}
if (mInputBuffer->meta_data()->findInt64(kKeyTime, &timeUs)) {
mAnchorTimeUs = timeUs;
}
@@ -227,7 +228,7 @@ status_t AMRNBEncoder::read(
buffer->meta_data()->setInt64(
kKeyTime, mAnchorTimeUs + mediaTimeUs);
if (readFromSource) {
if (readFromSource && wallClockTimeUs != -1) {
buffer->meta_data()->setInt64(kKeyDriftTime,
mediaTimeUs - wallClockTimeUs);
}

9
media/libstagefright/codecs/amrwbenc/AMRWBEncoder.cpp
View File

@@ -199,7 +199,7 @@ status_t AMRWBEncoder::read(
ReadOptions::SeekMode mode;
CHECK(options == NULL || !options->getSeekTo(&seekTimeUs, &mode));
bool readFromSource = false;
int64_t wallClockTimeUs = 0;
int64_t wallClockTimeUs = -1;
while (mNumInputSamples < kNumSamplesPerFrame) {
if (mInputBuffer == NULL) {
@@ -221,8 +221,9 @@ status_t AMRWBEncoder::read(
CHECK_EQ(align, 0);
int64_t timeUs;
CHECK(mInputBuffer->meta_data()->findInt64(kKeyDriftTime, &timeUs));
wallClockTimeUs = timeUs;
if (mInputBuffer->meta_data()->findInt64(kKeyDriftTime, &timeUs)) {
wallClockTimeUs = timeUs;
}
if (mInputBuffer->meta_data()->findInt64(kKeyTime, &timeUs)) {
mAnchorTimeUs = timeUs;
}
@@ -285,7 +286,7 @@ status_t AMRWBEncoder::read(
int64_t mediaTimeUs = mNumFramesOutput * 20000LL;
buffer->meta_data()->setInt64(kKeyTime, mAnchorTimeUs + mediaTimeUs);
if (readFromSource) {
if (readFromSource && wallClockTimeUs != -1) {
buffer->meta_data()->setInt64(kKeyDriftTime, mediaTimeUs - wallClockTimeUs);
}