static 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");
int width, height;
string inFilename;
mfxIMPL impl = mfxIMPL.MFX_IMPL_AUTO;
FourCC fourcc = FourCC.NV12; // supported: RGB3 RGB4 BGR4 BGR3 NV12 I420 IYUV YUY2 UYVY YV12 P411 P422
inFilename = "BigBuckBunny_320x180." + fourcc + ".yuv"; width = 320; height = 180;
//inFilename = "BigBuckBunny_1920x1080." + fourcc + ".yuv"; width = 1920; height = 1080;
string outFilename = Path.ChangeExtension(inFilename, "enc.264");
Console.WriteLine("Working directory: {0}", Environment.CurrentDirectory);
Console.WriteLine("Input filename: {0}", inFilename);
Console.WriteLine("Input width: {0} Input height: {1}", width, height);
Console.WriteLine();
if (!File.Exists(inFilename))
{
Console.WriteLine("Input file not found.");
Console.WriteLine("Please let Decoder1 run to completion to create input file");
Console.WriteLine("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
long maximumMemoryToAllocate = (long)4L * 1024 * 1024 * 1024;
Console.WriteLine("Pre-reading input");
infs = new PreReadLargeMemoryStream(File.Open(inFilename, FileMode.Open), maximumMemoryToAllocate);
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();
mfxVideoParam mfxEncParams = new mfxVideoParam();
mfxEncParams.mfx.CodecId = CodecId.MFX_CODEC_AVC;
mfxEncParams.mfx.TargetUsage = TargetUsage.MFX_TARGETUSAGE_BALANCED;
mfxEncParams.mfx.TargetKbps = 2000;
mfxEncParams.mfx.RateControlMethod = RateControlMethod.MFX_RATECONTROL_VBR;
mfxEncParams.mfx.FrameInfo.FrameRateExtN = 30;
mfxEncParams.mfx.FrameInfo.FrameRateExtD = 1;
mfxEncParams.mfx.FrameInfo.FourCC = FourCC.NV12;
mfxEncParams.mfx.FrameInfo.ChromaFormat = ChromaFormat.MFX_CHROMAFORMAT_YUV420;
mfxEncParams.mfx.FrameInfo.PicStruct = PicStruct.MFX_PICSTRUCT_PROGRESSIVE;
mfxEncParams.mfx.FrameInfo.CropX = 0;
mfxEncParams.mfx.FrameInfo.CropY = 0;
mfxEncParams.mfx.FrameInfo.CropW = (ushort)width;
mfxEncParams.mfx.FrameInfo.CropH = (ushort)height;
// Width must be a multiple of 16
// Height must be a multiple of 16 in case of frame picture and a multiple of 32 in case of field picture
mfxEncParams.mfx.FrameInfo.Width = QuickSyncStatic.ALIGN16(width);
mfxEncParams.mfx.FrameInfo.Height = QuickSyncStatic.AlignHeightTo32or16(height, mfxEncParams.mfx.FrameInfo.PicStruct);
mfxEncParams.IOPattern = IOPattern.MFX_IOPATTERN_IN_SYSTEM_MEMORY; // must be 'in system memory'
mfxEncParams.AsyncDepth = 4; // Pipeline depth. Best at 4
BitStreamChunk bsc = new BitStreamChunk(); //where we receive compressed frame data
//var encoder = new LowLevelEncoder2(mfxEncParams, impl);
ILowLevelEncoder encoder = new LowLevelEncoder(mfxEncParams, impl);
string impltext = QuickSyncStatic.ImplementationString(encoder.session);
Console.WriteLine("Implementation = {0}", impltext);
//string memtext = QuickSyncStatic.ImplementationString(encoder.deviceSetup.memType);
//Console.WriteLine("Memory type = {0}", memtext);
var formatConverter = new NV12FromXXXXConverter(fourcc, width, height);
int inputFrameLength = width * height * VideoUtility.GetBitsPerPixel(fourcc) / 8;
byte[] uncompressed = new byte[inputFrameLength];
int count = 0;
while (infs.Read(uncompressed, 0, inputFrameLength) == inputFrameLength)
{
int ix = encoder.GetFreeFrameIndex(); //get index of free surface
formatConverter.ConvertToNV12FrameSurface(ref encoder.Frames[ix], uncompressed, 0);
encoder.EncodeFrame(ix, ref bsc);
if (bsc.bytesAvailable > 0)
{
outfs.Write(bsc.bitstream, 0, bsc.bytesAvailable);
if (++count % 100 == 0)
{
Console.Write("Frame {0}\r", count);
}
}
#if ENABLE_BENCHMARK // delete this code for most simple example
if (infs.Position + inputFrameLength - 1 >= infs.Length)
{
infs.Position = 0;
}
if (count >= minimumFrames)
{
break;
}
#endif
}
while (encoder.Flush(ref bsc))
{
if (bsc.bytesAvailable > 0)
{
outfs.Write(bsc.bitstream, 0, bsc.bytesAvailable);
if (++count % 100 == 0)
{
Console.Write("Frame {0}\r", count);
}
}
}
if (bt != null)
{
bt.StopAndReport(count, infs.Position, outfs.Position);
}
infs.Close();
outfs.Close();
encoder.Dispose();
Console.WriteLine("Encoded {0} frames", count);
if (Debugger.IsAttached)
{
Console.WriteLine("done - press a key to exit");
Console.ReadKey();
}
}
unsafe static 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");
CodecId codecId = CodecId.MFX_CODEC_JPEG;
FourCC fourcc = FourCC.UYVY; // supported: RGB4, YUY2 NV12 [UYVY through tricks! see below]
mfxIMPL impl = mfxIMPL.MFX_IMPL_AUTO;
int width, height;
string inFilename;
//inFilename = "BigBuckBunny_320x180." + fourcc + ".yuv"; width = 320; height = 180;
inFilename = "BigBuckBunny_1920x1080." + fourcc + ".yuv"; width = 1920; height = 1080;
string outFilename = Path.ChangeExtension(inFilename, "enc.jpeg");
Console.WriteLine("Working directory: {0}", Environment.CurrentDirectory);
Console.WriteLine("Input filename: {0}", inFilename);
Console.WriteLine("Input width: {0} Input height: {1}", width, height);
if (!File.Exists(inFilename))
{
Console.WriteLine("Input file not found.");
Console.WriteLine("Please let Decoder1 run to completion to create input file");
Console.WriteLine("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
long maximumMemoryToAllocate = (long)4L * 1024 * 1024 * 1024;
Console.WriteLine("Pre-reading input");
infs = new PreReadLargeMemoryStream(File.Open(inFilename, FileMode.Open), maximumMemoryToAllocate);
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();
// The encoder cannot encode UYVY, but if you are the only decoder of the JPEG
// files, you can encode UYVY as YUY2 and everything is good.
if (fourcc == FourCC.UYVY)
{
fourcc = FourCC.YUY2;
}
mfxVideoParam mfxEncParams = new mfxVideoParam();
mfxEncParams.mfx.CodecId = codecId;
mfxEncParams.mfx.TargetUsage = TargetUsage.MFX_TARGETUSAGE_BALANCED;
//mfxEncParams.mfx.TargetKbps = 2000;
//mfxEncParams.mfx.RateControlMethod = RateControlMethod.MFX_RATECONTROL_VBR;
mfxEncParams.mfx.Quality = 90;
mfxEncParams.mfx.Interleaved = 1;
mfxEncParams.mfx.FrameInfo.FrameRateExtN = 30;
mfxEncParams.mfx.FrameInfo.FrameRateExtD = 1;
mfxEncParams.mfx.FrameInfo.FourCC = fourcc;
switch (fourcc)
{
case FourCC.NV12:
case FourCC.YV12:
mfxEncParams.mfx.FrameInfo.ChromaFormat = ChromaFormat.MFX_CHROMAFORMAT_YUV420;
break;
case FourCC.YUY2:
mfxEncParams.mfx.FrameInfo.ChromaFormat = ChromaFormat.MFX_CHROMAFORMAT_YUV422V; // fatal on SKYLAKE!
mfxEncParams.mfx.FrameInfo.ChromaFormat = ChromaFormat.MFX_CHROMAFORMAT_YUV422;
break;
case FourCC.RGB4:
mfxEncParams.mfx.FrameInfo.ChromaFormat = ChromaFormat.MFX_CHROMAFORMAT_YUV444;
break;
default:
Trace.Assert(false);
break;
}
mfxEncParams.mfx.FrameInfo.PicStruct = PicStruct.MFX_PICSTRUCT_PROGRESSIVE;
mfxEncParams.mfx.FrameInfo.CropX = 0;
mfxEncParams.mfx.FrameInfo.CropY = 0;
mfxEncParams.mfx.FrameInfo.CropW = (ushort)width;
mfxEncParams.mfx.FrameInfo.CropH = (ushort)height;
// Width must be a multiple of 16
// Height must be a multiple of 16 in case of frame picture and a multiple of 32 in case of field picture
mfxEncParams.mfx.FrameInfo.Width = QuickSyncStatic.ALIGN16(width);
mfxEncParams.mfx.FrameInfo.Height = QuickSyncStatic.AlignHeightTo32or16(height, mfxEncParams.mfx.FrameInfo.PicStruct);
mfxEncParams.IOPattern = IOPattern.MFX_IOPATTERN_IN_SYSTEM_MEMORY; // must be 'in system memory'
mfxEncParams.AsyncDepth = 4; // Pipeline depth. Best at 4
mfxEncParams.mfx.FrameInfo.Width = QuickSyncStatic.ALIGN32(width);
mfxEncParams.mfx.FrameInfo.Height = QuickSyncStatic.ALIGN32(height);
BitStreamChunk bsc = new BitStreamChunk(); //where we receive compressed frame data
ILowLevelEncoder encoder = new LowLevelEncoder(mfxEncParams, impl);
//ILowLevelEncoder encoder = new LowLevelEncoder(mfxEncParams, impl);
string impltext = QuickSyncStatic.ImplementationString(encoder.session);
Console.WriteLine("Implementation = {0}", impltext);
// not needed for YUY2 encoding
//var formatConverter = new NV12FromXXXXConverter(fileFourcc, width, height);
int inputFrameLength = width * height * VideoUtility.GetBitsPerPixel(fourcc) / 8;
byte[] uncompressed = new byte[inputFrameLength];
int count = 0;
// we do not call encoder.LockFrame() and encoder.UnlockFrame() as this example is
// for system memory.
while (infs.Read(uncompressed, 0, inputFrameLength) == inputFrameLength)
{
int ix = encoder.GetFreeFrameIndex(); //this call relys locks in authoritative array of surf
//formatConverter.ConvertToNV12FrameSurface(ref encoder.Frames[ix], uncompressed, 0);
mfxFrameSurface1 *f = (mfxFrameSurface1 *)encoder.Frames[ix];
switch (fourcc)
{
case FourCC.NV12:
Trace.Assert(f->Data.Pitch == width * 1);
fixed(byte *aa = &uncompressed[0])
FastMemcpyMemmove.memcpy(f->Data.Y, (IntPtr)aa, height * width);
fixed(byte *aa = &uncompressed[height * width])
FastMemcpyMemmove.memcpy(f->Data.UV, (IntPtr)aa, height / 2 * width);
break;
case FourCC.YUY2:
Trace.Assert(f->Data.Pitch == width * 2);
fixed(byte *aa = &uncompressed[0])
FastMemcpyMemmove.memcpy(f->Data.Y, (IntPtr)aa, height * width * 2);
break;
default:
Trace.Assert(false);
break;
}
encoder.EncodeFrame(ix, ref bsc);
if (bsc.bytesAvailable > 0)
{
outfs.Write(bsc.bitstream, 0, bsc.bytesAvailable);
if (++count % 100 == 0)
{
Console.Write("Frame {0}\r", count);
}
}
#if ENABLE_BENCHMARK // delete this code for most simple example
if (infs.Position + inputFrameLength - 1 >= infs.Length)
{
infs.Position = 0;
}
if (count >= minimumFrames)
{
break;
}
#endif
}
while (encoder.Flush(ref bsc))
{
if (bsc.bytesAvailable > 0)
{
outfs.Write(bsc.bitstream, 0, bsc.bytesAvailable);
if (++count % 100 == 0)
{
Console.Write("Frame {0}\r", count);
}
}
}
if (bt != null)
{
bt.StopAndReport(count, infs.Position, outfs.Position);
}
infs.Close();
outfs.Close();
encoder.Dispose();
Console.WriteLine("Encoded {0} frames", count);
// make sure program always waits for user, except F5-Release run
if (Debugger.IsAttached ||
Environment.GetEnvironmentVariable("VisualStudioVersion") == null)
{
Console.WriteLine("done - press a key to exit");
Console.ReadKey();
}
}
