void ExrTestImpl(fcIExrContext *ctx, const char *filename)
{
const int Width = 320;
const int Height = 240;
int channels = GetPixelFormat<T>::value & fcPixelFormat_ChannelMask;
const char *channel_names[] = { "R", "G", "B", "A" };
RawVector<T> video_frame(Width * Height);
CreateVideoData(&video_frame[0], Width, Height, 0);
fcExrBeginImage(ctx, filename, Width, Height);
for (int i = 0; i < channels; ++i) {
fcExrAddLayerPixels(ctx, &video_frame[0], GetPixelFormat<T>::value, i, channel_names[i]);
}
fcExrEndImage(ctx);
}
// Blocks until decoded sample is produced by the deoder.
nsresult
GonkVideoDecoderManager::Output(int64_t aStreamOffset,
nsRefPtr<MediaData>& aOutData)
{
aOutData = nullptr;
status_t err;
if (mDecoder == nullptr) {
GVDM_LOG("Decoder is not inited");
return NS_ERROR_UNEXPECTED;
}
err = mDecoder->Output(&mVideoBuffer, READ_OUTPUT_BUFFER_TIMEOUT_US);
switch (err) {
case OK:
{
nsRefPtr<VideoData> data;
nsresult rv = CreateVideoData(aStreamOffset, getter_AddRefs(data));
if (rv == NS_ERROR_NOT_AVAILABLE) {
// Decoder outputs a empty video buffer, try again
return NS_ERROR_NOT_AVAILABLE;
} else if (rv != NS_OK || data == nullptr) {
GVDM_LOG("Failed to create VideoData");
return NS_ERROR_UNEXPECTED;
}
aOutData = data;
return NS_OK;
}
case android::INFO_FORMAT_CHANGED:
{
// If the format changed, update our cached info.
GVDM_LOG("Decoder format changed");
if (!SetVideoFormat()) {
return NS_ERROR_UNEXPECTED;
}
return Output(aStreamOffset, aOutData);
}
case android::INFO_OUTPUT_BUFFERS_CHANGED:
{
if (mDecoder->UpdateOutputBuffers()) {
return Output(aStreamOffset, aOutData);
}
return NS_ERROR_FAILURE;
}
case -EAGAIN:
{
return NS_ERROR_NOT_AVAILABLE;
}
case android::ERROR_END_OF_STREAM:
{
GVDM_LOG("Got the EOS frame!");
nsRefPtr<VideoData> data;
nsresult rv = CreateVideoData(aStreamOffset, getter_AddRefs(data));
if (rv == NS_ERROR_NOT_AVAILABLE) {
// For EOS, no need to do any thing.
return NS_ERROR_ABORT;
}
if (rv != NS_OK || data == nullptr) {
GVDM_LOG("Failed to create video data");
return NS_ERROR_UNEXPECTED;
}
aOutData = data;
return NS_ERROR_ABORT;
}
case -ETIMEDOUT:
{
GVDM_LOG("Timeout. can try again next time");
return NS_ERROR_UNEXPECTED;
}
default:
{
GVDM_LOG("Decoder failed, err=%d", err);
return NS_ERROR_UNEXPECTED;
}
}
return NS_OK;
}