static public void Main(string[] args)
{
ConfirmQuickSyncReadiness.HaltIfNotReady();
Environment.CurrentDirectory = AppDomain.CurrentDomain.BaseDirectory;
// keep ascending directories until 'media' folder is found
for (int i = 0; i < 10 && !Directory.Exists("Media"); i++)
{
Directory.SetCurrentDirectory("..");
}
Directory.SetCurrentDirectory("Media");
mfxIMPL impl = mfxIMPL.MFX_IMPL_AUTO;
CodecId inputCodecId = CodecId.MFX_CODEC_JPEG;
CodecId outputCodecId = CodecId.MFX_CODEC_JPEG;
string outputExtension = ".transcoded.264";//this should match codecld above
string inFilename;
inFilename = @"C:\x\core-imaging-playground\images\IMG_2301.jpg";
// inFilename = "BigBuckBunny_320x180.264";
//inFilename = "BigBuckBunny_1920x1080.264";
//inFilename = "BigBuckBunny_3840x2160.264";
string outFilename = Path.ChangeExtension(inFilename, outputExtension);
Console.WriteLine("Working directory: {0}", Environment.CurrentDirectory);
Console.WriteLine("Input filename: {0}", inFilename);
Console.WriteLine();
if (!File.Exists(inFilename))
{
Console.WriteLine("Input file not found. Press any key to exit.");
Console.ReadKey();
return;
}
Stream infs, outfs;
BenchmarkTimer bt = null;
#if !ENABLE_BENCHMARK
infs = File.Open(inFilename, FileMode.Open);
outfs = File.Open(outFilename, FileMode.Create);
#else // delete this code for most simple example
// * Benchmark Mode *
// this block does a couple things:
// 1. causes the file to be pre-read into memory so we are not timing disk reads.
// 2. replaces the output stream with a NullStream so nothing gets written to disk.
// 3. Starts the timer for benchmarking
// this pre-reads file into memory for benchmarking
// maximumMemoryToAllocate = (long)4L * 1024 * 1024 * 1024;
Console.WriteLine("Pre-reading input");
infs = new PreReadLargeMemoryStream(File.Open(inFilename, FileMode.Open));
Console.WriteLine("Input read");
outfs = new NullStream();
bt = new BenchmarkTimer();
bt.Start();
//int minimumFrames = 4000;
#endif
Console.WriteLine("Output filename: {0}",
Path.GetFileName((outfs as FileStream)?.Name ?? "NO OUTPUT"));
Console.WriteLine();
var config = TranscoderConfiguration.BuildTranscoderConfigurationFromStream(infs,
inputCodecId,
outputCodecId);
var transcoder = new StreamTranscoder(infs, config, impl, false);
string impltext = QuickSyncStatic.ImplementationString(transcoder.lowLevelTranscoder.session);
Console.WriteLine("Implementation = {0}", impltext);
//string memtext = QuickSyncStatic.ImplementationString(transcoder.lowLevelTranscoder.deviceSetup.memType);
//Console.WriteLine("Memory type = {0}", memtext);
int modulo = 100;
int count = 0;
foreach (var item in transcoder.GetFrames())
{
outfs.Write(item.bitstream, 0, item.bytesAvailable);
if (++count % modulo == 0)
{
Console.Write("Frames transcoded {0}\r", count);
}
}
Console.WriteLine("Frames transcoded {0}", count);
Console.WriteLine();
if (bt != null)
{
bt.StopAndReport(count, infs.Position, outfs.Position);
}
infs.Close();
outfs.Close();
if (Debugger.IsAttached)
{
Console.WriteLine("done - press a key to exit");
Console.ReadKey();
}
}
static public void Main(string[] args)
{
ConfirmQuickSyncReadiness.HaltIfNotReady();
Environment.CurrentDirectory = AppDomain.CurrentDomain.BaseDirectory;
// keep ascending directories until 'media' folder is found
for (int i = 0; i < 10 && !Directory.Exists("Media"); i++)
{
Directory.SetCurrentDirectory("..");
}
Directory.SetCurrentDirectory("Media");
mfxIMPL impl = mfxIMPL.MFX_IMPL_AUTO;
CodecId inputCodecId = CodecId.MFX_CODEC_AVC;
CodecId outputCodecId = CodecId.MFX_CODEC_AVC;
string outputExtension = ".transcoded.264";//this should match codecld above
string inFilename = "BigBuckBunny_320x180.264";
//string inFilename = "BigBuckBunny_1920x1080.264";
string outFilename = Path.ChangeExtension(inFilename, outputExtension);
Console.WriteLine("Working directory: {0}", Environment.CurrentDirectory);
Console.WriteLine("Input filename: {0}", inFilename);
Console.WriteLine("Output filename: {0}", outFilename);
Console.WriteLine();
if (!File.Exists(inFilename))
{
Console.WriteLine("Input file not found. Press any key to exit.");
Console.ReadKey();
return;
}
var infs = File.Open(inFilename, FileMode.Open);
var outfs = File.Open(outFilename, FileMode.Create);
var config = TranscoderConfiguration.BuildTranscoderConfigurationFromStream(infs,
inputCodecId,
outputCodecId);
var transcoder = new LowLevelTranscoderCSharp(config, impl);
string impltext = QuickSyncStatic.ImplementationString(transcoder.session);
Console.WriteLine("Implementation = {0}", impltext);
//string memtext = QuickSyncStatic.ImplementationString(transcoder.deviceSetup.memType);
//Console.WriteLine("Memory type = {0}", memtext);
int count = 0;
var buf = new byte[transcoder.BufferFreeCount];
BitStreamChunk bsc = new BitStreamChunk();
int modulo = 100;
while (true)
{
int free = transcoder.BufferFreeCount;
if (free > transcoder.BufferSize / 2)
{
int n = infs.Read(buf, 0, free);
if (n <= 0)
{
break;
}
transcoder.PutBitstream(buf, 0, n);
}
transcoder.GetNextFrame(ref bsc);
if (bsc.bytesAvailable > 0)
{
outfs.Write(bsc.bitstream, 0, bsc.bytesAvailable);
if (++count % modulo == 0)
{
Console.Write("Frames transcoded {0}\r", count);
}
}
}
while (transcoder.GetNextFrame(ref bsc))
{
if (bsc.bytesAvailable > 0)
{
outfs.Write(bsc.bitstream, 0, bsc.bytesAvailable);
if (++count % modulo == 0)
{
Console.Write("Frames transcoded {0}\r", count);
}
}
}
while (transcoder.Flush1(ref bsc))
{
if (bsc.bytesAvailable > 0)
{
outfs.Write(bsc.bitstream, 0, bsc.bytesAvailable);
if (++count % modulo == 0)
{
Console.Write("Frames transcoded {0}\r", count);
}
}
}
while (transcoder.Flush2(ref bsc))
{
if (bsc.bytesAvailable > 0)
{
outfs.Write(bsc.bitstream, 0, bsc.bytesAvailable);
if (++count % modulo == 0)
{
Console.Write("Frames transcoded {0}\r", count);
}
}
}
while (transcoder.Flush3(ref bsc))
{
if (bsc.bytesAvailable > 0)
{
outfs.Write(bsc.bitstream, 0, bsc.bytesAvailable);
if (++count % modulo == 0)
{
Console.Write("Frames transcoded {0}\r", count);
}
}
}
while (transcoder.Flush4(ref bsc))
{
if (bsc.bytesAvailable > 0)
{
outfs.Write(bsc.bitstream, 0, bsc.bytesAvailable);
if (++count % modulo == 0)
{
Console.Write("Frames transcoded {0}\r", count);
}
}
}
infs.Close();
outfs.Close();
Console.WriteLine("Frames transcoded {0}", count);
if (Debugger.IsAttached)
{
Console.WriteLine("done - press a key to exit");
Console.ReadKey();
}
}
