/// <summary>
/// See constructor for documentation.
/// </summary>
protected void Construct(Action function, int nativeTaskGroupId = 0, int taskDataSize = 0)
{
Function = function;
var ptr = Marshal.GetFunctionPointerForDelegate(Function);
NativeTask = SonicRiders.Functions.Functions.SetTask.GetWrapper()((void *)ptr, (uint)nativeTaskGroupId, taskDataSize);
}
/// <summary>
/// Tries to get the current Task executed by the game.
/// You should call this in a function that handles a specific task.
/// </summary>
/// <param name="task">The executed task.</param>
public static bool TryGetCurrentTask(out Task *task)
{
if (*CurrentTask != (void *)0x0)
{
task = (Task *)(*CurrentTask);
return(true);
}
task = (Task *)0x0;
return(false);
}
static int GetFreeTaskIndex(Task *pTaskPool, int n)
{
Trace.Assert(pTaskPool != null);
for (int i = 0; i < n; i++)
{
if (pTaskPool[i].syncp.sync == IntPtr.Zero)
{
return(i);
}
}
return((int)mfxStatus.MFX_ERR_NOT_FOUND);
}
public static unsafe Thread CreateTask(uint xLoc, bool isRunning)
{
Native.ClearInterrupt();
uint *stack;
Task *task = (Task *)(Heap.AllocateMem((uint)sizeof(Task)));
task->Stack = Heap.AllocateMem(0x1000) + 0x1000;//Put pointer at end
stack = (uint *)task->Stack;
// Expand down stack
// processor data
*--stack = 0x202; // EFLAGS
*--stack = 0x08; // CS
*--stack = xLoc; // EIP
// pusha
*--stack = 0; // EDI
*--stack = 0; // ESI
*--stack = 0; // EBP
*--stack = 0; // ESP
*--stack = 0; // EBX
*--stack = 0; // EDX
*--stack = 0; // ECX
*--stack = 0; // EAX
// data segments
*--stack = 0x10; // DS
*--stack = 0x10; // ES
*--stack = 0x10; // FS
*--stack = 0x10; // GS
task->Stack = (uint)stack;
task->Address = (uint *)xLoc;
task->state = (byte)(isRunning ? State.Alive : State.None);
mTasks[Counter++] = *task;
if (isRunning)
{
RunningTasks.Enqueue(Counter - 1);
}
Native.SetInterrupt();
return(new Thread(Counter - 1));
}
/// <summary>Initializes a new instance of the <see cref="LowLevelTranscoderCSharp"/> class.</summary>
/// <param name="config">The configuration.</param>
/// <param name="impl">The implementation.</param>
/// <param name="forceSystemMemory">if set to <c>true</c> [force system memory].</param>
public LowLevelTranscoderCSharp(TranscoderConfiguration config, mfxIMPL impl = mfxIMPL.MFX_IMPL_AUTO, bool forceSystemMemory = false)
{
mfxStatus sts;
mfxVideoParam mfxDecParams = config.decParams;
mfxVideoParam mfxVPPParams = config.vppParams;
mfxVideoParam mfxEncParams = config.encParams;
session = new mfxSession();
var ver = new mfxVersion()
{
Major = 1, Minor = 3
};
fixed(mfxSession *s = &session)
sts = UnsafeNativeMethods.MFXInit(impl, &ver, s);
QuickSyncStatic.ThrowOnBadStatus(sts, "MFXInit");
//deviceSetup = new DeviceSetup(session, forceSystemMemory);
// mfxVideoParam mfxDecParams = new mfxVideoParam();
// mfxDecParams.mfx.CodecId = CodecId.MFX_CODEC_AVC;
int bufsize = (int)1e6;
mfxBS = (mfxBitstream *)MyAllocHGlobalAndZero(sizeof(mfxBitstream));
mfxBS->Data = MyAllocHGlobalAndZero(bufsize);
mfxBS->DataLength = (uint)0;
mfxBS->MaxLength = (uint)bufsize;
mfxBS->DataOffset = 0;
int outwidth = mfxDecParams.mfx.FrameInfo.CropW;
int outheight = mfxDecParams.mfx.FrameInfo.CropH;
// Query number of required surfaces for VPP
//mfxFrameAllocRequest[] VPPRequest = new mfxFrameAllocRequest[2]; // [0] - in, [1] - out
TwoMfxFrameAllocRequest VPPRequest;
sts = UnsafeNativeMethods.MFXVideoVPP_QueryIOSurf(session, &mfxVPPParams, (mfxFrameAllocRequest *)&VPPRequest);
if (sts == mfxStatus.MFX_WRN_PARTIAL_ACCELERATION)
{
warnings.Add(nameof(UnsafeNativeMethods.MFXVideoVPP_QueryIOSurf), sts);
sts = 0;
}
QuickSyncStatic.ThrowOnBadStatus(sts, "vpp.queryiosurf");
// Query number required surfaces for dec
mfxFrameAllocRequest DecRequest;
sts = UnsafeNativeMethods.MFXVideoDECODE_QueryIOSurf(session, &mfxDecParams, &DecRequest);
if (sts == mfxStatus.MFX_WRN_PARTIAL_ACCELERATION)
{
warnings.Add(nameof(UnsafeNativeMethods.MFXVideoDECODE_QueryIOSurf), sts);
sts = 0;
}
QuickSyncStatic.ThrowOnBadStatus(sts, nameof(UnsafeNativeMethods.MFXVideoDECODE_QueryIOSurf));
// Query number of required surfaces for enc
mfxFrameAllocRequest EncRequest = new mfxFrameAllocRequest();
sts = UnsafeNativeMethods.MFXVideoENCODE_QueryIOSurf(session, &mfxEncParams, &EncRequest);
if (sts == mfxStatus.MFX_WRN_PARTIAL_ACCELERATION)
{
warnings.Add(nameof(UnsafeNativeMethods.MFXVideoENCODE_QueryIOSurf), sts);
sts = 0;
}
QuickSyncStatic.ThrowOnBadStatus(sts, nameof(UnsafeNativeMethods.MFXVideoENCODE_QueryIOSurf));
// Determine the required number of surfaces for decoder output (VPP input) and for VPP output (encoder input)
nSurfNumDecVPP = DecRequest.NumFrameSuggested + VPPRequest.In.NumFrameSuggested + mfxVPPParams.AsyncDepth;
nSurfNumVPPEnc = EncRequest.NumFrameSuggested + VPPRequest.Out.NumFrameSuggested + mfxVPPParams.AsyncDepth;
{
Trace.Assert((mfxEncParams.IOPattern & IOPattern.MFX_IOPATTERN_IN_SYSTEM_MEMORY) != 0);
Trace.Assert((mfxDecParams.IOPattern & IOPattern.MFX_IOPATTERN_OUT_SYSTEM_MEMORY) != 0);
UInt16 width = (UInt16)QuickSyncStatic.ALIGN32(DecRequest.Info.Width);
UInt16 height = (UInt16)QuickSyncStatic.ALIGN32(DecRequest.Info.Height);
int bitsPerPixel = 12;
int surfaceSize = width * height * bitsPerPixel / 8;
var decVppSurfaceBuffers = Marshal.AllocHGlobal(surfaceSize * nSurfNumDecVPP);
var vppEncSurfaceBuffers = Marshal.AllocHGlobal(surfaceSize * nSurfNumVPPEnc);
pSurfaces =
(mfxFrameSurface1 *)MyAllocHGlobalAndZero(sizeof(mfxFrameSurface1) * nSurfNumDecVPP);
pSurfaces2 =
(mfxFrameSurface1 *)MyAllocHGlobalAndZero(sizeof(mfxFrameSurface1) * nSurfNumVPPEnc);
for (int i = 0; i < nSurfNumDecVPP; i++)
{
pSurfaces[i] = new mfxFrameSurface1();
pSurfaces[i].Info = DecRequest.Info;
pSurfaces[i].Data.Y_ptr = (byte *)decVppSurfaceBuffers + i * surfaceSize;
pSurfaces[i].Data.U_ptr = pSurfaces[i].Data.Y_ptr + width * height;
pSurfaces[i].Data.V_ptr = pSurfaces[i].Data.U_ptr + 1;
pSurfaces[i].Data.Pitch = width;
}
for (int i = 0; i < nSurfNumVPPEnc; i++)
{
pSurfaces2[i] = new mfxFrameSurface1();
pSurfaces2[i].Info = EncRequest.Info;
pSurfaces2[i].Data.Y_ptr = (byte *)vppEncSurfaceBuffers + i * surfaceSize;
pSurfaces2[i].Data.U_ptr = pSurfaces2[i].Data.Y_ptr + width * height;
pSurfaces2[i].Data.V_ptr = pSurfaces2[i].Data.U_ptr + 1;
pSurfaces2[i].Data.Pitch = width;
}
}
sts = UnsafeNativeMethods.MFXVideoDECODE_Init(session, &mfxDecParams);
if (sts == mfxStatus.MFX_WRN_PARTIAL_ACCELERATION)
{
warnings.Add(nameof(UnsafeNativeMethods.MFXVideoDECODE_Init), sts);
sts = 0;
}
QuickSyncStatic.ThrowOnBadStatus(sts, "decode.init");
sts = UnsafeNativeMethods.MFXVideoENCODE_Init(session, &mfxEncParams);
if (sts == mfxStatus.MFX_WRN_PARTIAL_ACCELERATION)
{
warnings.Add(nameof(UnsafeNativeMethods.MFXVideoENCODE_Init), sts);
sts = 0;
}
QuickSyncStatic.ThrowOnBadStatus(sts, "encode.init");
sts = UnsafeNativeMethods.MFXVideoVPP_Init(session, &mfxVPPParams);
if (sts == mfxStatus.MFX_WRN_PARTIAL_ACCELERATION)
{
warnings.Add(nameof(UnsafeNativeMethods.MFXVideoVPP_Init), sts);
sts = 0;
}
QuickSyncStatic.ThrowOnBadStatus(sts, "vpp.init");
//mfxExtVPPDoNotUse zz;
//zz.Header.BufferId = BufferId.MFX_EXTBUFF_VPP_DONOTUSE;
//zz.Header.BufferSz = (uint)sizeof(mfxExtVPPDoUse);
//mfxExtBuffer** pExtParamsVPPx = stackalloc mfxExtBuffer*[1];
//pExtParamsVPPx[0] = (mfxExtBuffer*)&zz;
//var t1 = stackalloc uint[100];
//zz.AlgList = t1;
//zz.NumAlg = 100;
//mfxVideoParam par;
//par.ExtParam = pExtParamsVPPx;
//par.NumExtParam = 1;
//sts = UnsafeNativeMethods.MFXVideoVPP_GetVideoParam(session, &par);
//Trace.Assert(sts == mfxStatus.MFX_ERR_NONE);
//Console.WriteLine(zz.NumAlg);
//for (int i = 0; i < 10; i++)
//{
// Console.WriteLine((BufferId)t1[i]);
//}
mfxVideoParam par;
// Retrieve video parameters selected by encoder.
// - BufferSizeInKB parameter is required to set bit stream buffer size
par = new mfxVideoParam();
sts = UnsafeNativeMethods.MFXVideoENCODE_GetVideoParam(session, &par);
QuickSyncStatic.ThrowOnBadStatus(sts, "enc.getvideoparams");
// Create task pool to improve asynchronous performance (greater GPU utilization)
taskPoolSize = mfxEncParams.AsyncDepth; // number of tasks that can be submitted, before synchronizing is required
// Task* pTasks = stackalloc Task[taskPoolSize];
pTasks = (Task *)MyAllocHGlobalAndZero(sizeof(Task) * taskPoolSize);
// GCHandle gch3 = GCHandle.Alloc(pTasks, GCHandleType.Pinned);
for (int i = 0; i < taskPoolSize; i++)
{
// Prepare Media SDK bit stream buffer
pTasks[i].mfxBS.MaxLength = (uint)(par.mfx.BufferSizeInKB * 1000);
pTasks[i].mfxBS.Data = MyAllocHGlobalAndZero((int)pTasks[i].mfxBS.MaxLength);
Trace.Assert(pTasks[i].mfxBS.Data != IntPtr.Zero);
}
// GCHandle gch3 = GCHandle.Alloc(pTasks, GCHandleType.Pinned);
}
