status_t AnotherPacketSource::dequeueAccessUnit(sp<ABuffer> *buffer) {
buffer->clear();
Mutex::Autolock autoLock(mLock);
while (mEOSResult == OK && mBuffers.empty()) {
mCondition.wait(mLock);
}
if (!mBuffers.empty()) {
*buffer = *mBuffers.begin();
mBuffers.erase(mBuffers.begin());
int32_t discontinuity;
if ((*buffer)->meta()->findInt32("discontinuity", &discontinuity)) {
if (wasFormatChange(discontinuity)) {
mFormat.clear();
}
--mQueuedDiscontinuityCount;
return INFO_DISCONTINUITY;
}
mLatestDequeuedMeta = (*buffer)->meta()->dup();
sp<RefBase> object;
if ((*buffer)->meta()->findObject("format", &object)) {
mFormat = static_cast<MetaData*>(object.get());
}
return OK;
}
return mEOSResult;
}
status_t AnotherPacketSource::dequeueAccessUnit(sp<ABuffer> *buffer) {
buffer->clear();
Mutex::Autolock autoLock(mLock);
while (mEOSResult == OK && mBuffers.empty()) {
mCondition.wait(mLock);
}
if (!mBuffers.empty()) {
*buffer = *mBuffers.begin();
mBuffers.erase(mBuffers.begin());
int32_t discontinuity;
if ((*buffer)->meta()->findInt32("discontinuity", &discontinuity)) {
if (wasFormatChange(discontinuity)) {
mFormat.clear();
}
return INFO_DISCONTINUITY;
}
return OK;
}
return mEOSResult;
}
status_t AnotherPacketSource::read(
MediaBuffer **out, const ReadOptions *) {
*out = NULL;
Mutex::Autolock autoLock(mLock);
while (mEOSResult == OK && mBuffers.empty()) {
mCondition.wait(mLock);
}
if (!mBuffers.empty()) {
const sp<ABuffer> buffer = *mBuffers.begin();
mBuffers.erase(mBuffers.begin());
int32_t discontinuity;
if (buffer->meta()->findInt32("discontinuity", &discontinuity)) {
if (wasFormatChange(discontinuity)) {
mFormat.clear();
}
return INFO_DISCONTINUITY;
} else {
int64_t timeUs;
CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
MediaBuffer *mediaBuffer = new MediaBuffer(buffer);
mediaBuffer->meta_data()->setInt64(kKeyTime, timeUs);
*out = mediaBuffer;
return OK;
}
}
return mEOSResult;
}
void AnotherPacketSource::queueDiscontinuity(
ATSParser::DiscontinuityType type,
const sp<AMessage> &extra) {
Mutex::Autolock autoLock(mLock);
#ifndef ANDROID_DEFAULT_CODE
if (type == ATSParser::DISCONTINUITY_NONE) {
return;
}
if (type == ATSParser::DISCONTINUITY_HTTPLIVE_SEEK) {
//clear all buffer and pass extra message
if (!mBuffers.empty()) {
mBuffers.clear();
}
mEOSResult = OK;
sp<ABuffer> buffer = new ABuffer(0);
buffer->meta()->setInt32("discontinuity", static_cast<int32_t>(type));
buffer->meta()->setMessage("extra", extra);
mBuffers.push_back(buffer);
mCondition.signal();
return;
}
if (wasFormatChange(type) && mFormat != NULL) {
int32_t width = 0, height = 0;
mFormat->findInt32(kKeyWidth, &width);
mFormat->findInt32(kKeyHeight, &height);
ALOGD("mFormat clear %d x %d", width , height);
mFormat.clear();
}
if (type & ATSParser::DISCONTINUITY_FLUSH_SOURCE_ONLY) {
//only flush source, don't queue discontinuity
if (!mBuffers.empty()) {
mBuffers.clear();
}
mEOSResult = OK;
mScanForIDR = true;
ALOGD("found discontinuity flush source only!");
return;
}
#endif
#ifdef ANDROID_DEFAULT_CODE
//do not erase pending buffers while bandwidth changed.
// Leave only discontinuities in the queue.
List<sp<ABuffer> >::iterator it = mBuffers.begin();
while (it != mBuffers.end()) {
sp<ABuffer> oldBuffer = *it;
int32_t oldDiscontinuityType;
if (!oldBuffer->meta()->findInt32(
"discontinuity", &oldDiscontinuityType)) {
it = mBuffers.erase(it);
continue;
}
++it;
}
#endif
mEOSResult = OK;
mLastQueuedTimeUs = 0;
mLatestEnqueuedMeta = NULL;
sp<ABuffer> buffer = new ABuffer(0);
buffer->meta()->setInt32("discontinuity", static_cast<int32_t>(type));
buffer->meta()->setMessage("extra", extra);
mBuffers.push_back(buffer);
mCondition.signal();
}
status_t AnotherPacketSource::read(
MediaBuffer **out, const ReadOptions *options) {
#else
status_t AnotherPacketSource::read(
MediaBuffer **out, const ReadOptions *) {
#endif
*out = NULL;
Mutex::Autolock autoLock(mLock);
while (mEOSResult == OK && mBuffers.empty()) {
mCondition.wait(mLock);
}
if (!mBuffers.empty()) {
const sp<ABuffer> buffer = *mBuffers.begin();
#ifndef ANDROID_DEFAULT_CODE
m_uiNextAduSeqNum = buffer->int32Data();
#endif
mBuffers.erase(mBuffers.begin());
int32_t discontinuity;
if (buffer->meta()->findInt32("discontinuity", &discontinuity)) {
if (wasFormatChange(discontinuity)) {
mFormat.clear();
}
return INFO_DISCONTINUITY;
}
sp<RefBase> object;
if (buffer->meta()->findObject("format", &object)) {
mFormat = static_cast<MetaData*>(object.get());
}
int64_t timeUs;
CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
MediaBuffer *mediaBuffer = new MediaBuffer(buffer);
mediaBuffer->meta_data()->setInt64(kKeyTime, timeUs);
#ifndef ANDROID_DEFAULT_CODE
int32_t fgInvalidtimeUs=false;
if(buffer->meta()->findInt32("invt", &fgInvalidtimeUs))
{
mediaBuffer->meta_data()->setInt32(kInvalidKeyTime, fgInvalidtimeUs);
}
int64_t seekTimeUs;
ReadOptions::SeekMode seekMode;
if (options && options->getSeekTo(&seekTimeUs, &seekMode)) {
mediaBuffer->meta_data()->setInt64(kKeyTargetTime, seekTimeUs);
}
#endif
*out = mediaBuffer;
return OK;
}
return mEOSResult;
}
