bool
I420ColorConverterHelper::ensureLoaded()
{
{
RWLock::AutoRLock arl(mLock);
// Check whether the library has been loaded or not.
if (loadedLocked()) {
return true;
}
}
{
RWLock::AutoWLock awl(mLock);
// Check whether the library has been loaded or not on other threads.
if (loadedLocked()) {
return true;
}
// Reload the library
unloadLocked();
if (loadLocked()) {
return true;
}
// Reset the library
unloadLocked();
}
return false;
}
void Request::load(std::istream &is) {
AsyncRequestLoader arl(this);
while(is.good()) {
char buf[1024];
is.read(buf, 1024);
if (is.gcount()) { // did we actually read anything
is.clear();
if (arl.feed(std::string(buf, is.gcount())) == true) return; // completed
}
}
};
int
I420ColorConverterHelper::getEncoderInputFormat()
{
if (!ensureLoaded()) {
return -1;
}
RWLock::AutoRLock arl(mLock);
if (mConverter.getEncoderInputFormat != nullptr) {
return mConverter.getEncoderInputFormat();
}
return -1;
}
int
I420ColorConverterHelper::convertDecoderOutputToI420(
void* decoderBits, int decoderWidth, int decoderHeight,
ARect decoderRect, void* dstBits)
{
if (!ensureLoaded()) {
return -1;
}
RWLock::AutoRLock arl(mLock);
if (mConverter.convertDecoderOutputToI420 != nullptr) {
return mConverter.convertDecoderOutputToI420(decoderBits,
decoderWidth, decoderHeight, decoderRect, dstBits);
}
return -1;
}
int
I420ColorConverterHelper::getEncoderInputBufferInfo(int aSrcWidth,
int aSrcHeight,
int* aEncoderWidth,
int* aEncoderHeight,
ARect* aEncoderRect,
int* aEncoderBufferSize)
{
if (!ensureLoaded()) {
return -1;
}
RWLock::AutoRLock arl(mLock);
if (mConverter.getEncoderInputBufferInfo != nullptr) {
return mConverter.getEncoderInputBufferInfo(aSrcWidth, aSrcHeight,
aEncoderWidth, aEncoderHeight, aEncoderRect, aEncoderBufferSize);
}
return -1;
}
int
I420ColorConverterHelper::convertI420ToEncoderInput(void* aSrcBits,
int aSrcWidth,
int aSrcHeight,
int aEncoderWidth,
int aEncoderHeight,
ARect aEncoderRect,
void* aEncoderBits)
{
if (!ensureLoaded()) {
return -1;
}
RWLock::AutoRLock arl(mLock);
if (mConverter.convertI420ToEncoderInput != nullptr) {
return mConverter.convertI420ToEncoderInput(aSrcBits, aSrcWidth, aSrcHeight,
aEncoderWidth, aEncoderHeight, aEncoderRect, aEncoderBits);
}
return -1;
}
