void
Decoder::Write(const char* aBuffer, uint32_t aCount)
{
PROFILER_LABEL("ImageDecoder", "Write");
// We're strict about decoder errors
NS_ABORT_IF_FALSE(!HasDecoderError(),
"Not allowed to make more decoder calls after error!");
// If a data error occured, just ignore future data
if (HasDataError())
return;
if (IsSizeDecode() && HasSize()) {
// More data came in since we found the size. We have nothing to do here.
return;
}
// Pass the data along to the implementation
WriteInternal(aBuffer, aCount);
// If we're a synchronous decoder and we need a new frame to proceed, let's
// create one and call it again.
while (mSynchronous && NeedsNewFrame() && !HasDataError()) {
nsresult rv = AllocateFrame();
if (NS_SUCCEEDED(rv)) {
// Tell the decoder to use the data it saved when it asked for a new frame.
WriteInternal(nullptr, 0);
}
}
}
void
Decoder::Write(const char* aBuffer, uint32_t aCount, DecodeStrategy aStrategy)
{
PROFILER_LABEL("ImageDecoder", "Write",
js::ProfileEntry::Category::GRAPHICS);
MOZ_ASSERT(NS_IsMainThread() || aStrategy == DecodeStrategy::ASYNC);
// We're strict about decoder errors
MOZ_ASSERT(!HasDecoderError(),
"Not allowed to make more decoder calls after error!");
// Begin recording telemetry data.
TimeStamp start = TimeStamp::Now();
mChunkCount++;
// Keep track of the total number of bytes written.
mBytesDecoded += aCount;
// If we're flushing data, clear the flag.
if (aBuffer == nullptr && aCount == 0) {
MOZ_ASSERT(mNeedsToFlushData, "Flushing when we don't need to");
mNeedsToFlushData = false;
}
// If a data error occured, just ignore future data.
if (HasDataError())
return;
if (IsSizeDecode() && HasSize()) {
// More data came in since we found the size. We have nothing to do here.
return;
}
// Pass the data along to the implementation
WriteInternal(aBuffer, aCount, aStrategy);
// If we're a synchronous decoder and we need a new frame to proceed, let's
// create one and call it again.
if (aStrategy == DecodeStrategy::SYNC) {
while (NeedsNewFrame() && !HasDataError()) {
nsresult rv = AllocateFrame();
if (NS_SUCCEEDED(rv)) {
// Use the data we saved when we asked for a new frame.
WriteInternal(nullptr, 0, aStrategy);
}
mNeedsToFlushData = false;
}
}
// Finish telemetry.
mDecodeTime += (TimeStamp::Now() - start);
}
void
Decoder::Write(const char* aBuffer, PRUint32 aCount)
{
// We're strict about decoder errors
NS_ABORT_IF_FALSE(!HasDecoderError(),
"Not allowed to make more decoder calls after error!");
// If a data error occured, just ignore future data
if (HasDataError())
return;
// Pass the data along to the implementation
WriteInternal(aBuffer, aCount);
}
void
Decoder::Write(const char* aBuffer, uint32_t aCount)
{
PROFILER_LABEL("ImageDecoder", "Write",
js::ProfileEntry::Category::GRAPHICS);
MOZ_ASSERT(aBuffer);
MOZ_ASSERT(aCount > 0);
// We're strict about decoder errors
MOZ_ASSERT(!HasDecoderError(),
"Not allowed to make more decoder calls after error!");
// Begin recording telemetry data.
TimeStamp start = TimeStamp::Now();
mChunkCount++;
// Keep track of the total number of bytes written.
mBytesDecoded += aCount;
// If a data error occured, just ignore future data.
if (HasDataError()) {
return;
}
if (IsMetadataDecode() && HasSize()) {
// More data came in since we found the size. We have nothing to do here.
return;
}
// Pass the data along to the implementation.
WriteInternal(aBuffer, aCount);
// Finish telemetry.
mDecodeTime += (TimeStamp::Now() - start);
}
