private void button1_Click(object sender, EventArgs e)
{
// get a handle to the DigHookUserData object in the managed heap, we will use this
// handle to get the object back in the callback function
GCHandle UserHookDataHandle = GCHandle.Alloc(UserHookData);
MIL_DIG_HOOK_FUNCTION_PTR UserHookFunctionDelegate = new MIL_DIG_HOOK_FUNCTION_PTR(ArchiveFunction);
// Acquire the sequence. The processing hook function will
// be called for each image grabbed to archive and display it.
// If sequence is not saved to disk, stop after NbFrames.
MIL.MdigProcess(MilDigitizer, MilGrabImages, NbFrames, SAVE_SEQUENCE_TO_DISK ? MIL.M_START : MIL.M_SEQUENCE, MIL.M_DEFAULT, UserHookFunctionDelegate, GCHandle.ToIntPtr(UserHookDataHandle));
// Wait for a key press.
//Console.WriteLine("Press <Enter> to continue.");
//Console.WriteLine();
//Console.ReadKey(true);
// Stop the sequence acquisition.
MIL.MdigProcess(MilDigitizer, MilGrabImages, NbFrames, MIL.M_STOP, MIL.M_DEFAULT, UserHookFunctionDelegate, GCHandle.ToIntPtr(UserHookDataHandle));
// Free the GCHandle when no longer used
UserHookDataHandle.Free();
// Read and print final statistics.
MIL.MdigInquire(MilDigitizer, MIL.M_PROCESS_FRAME_COUNT, ref FrameCount);
MIL.MdigInquire(MilDigitizer, MIL.M_PROCESS_FRAME_RATE, ref FrameRate);
MIL.MdigInquire(MilDigitizer, MIL.M_PROCESS_FRAME_MISSED, ref FrameMissed);
//Console.WriteLine();
//Console.WriteLine();
//Console.WriteLine("{0} frames archived ({1} missed), at {2:0.0} frames/sec ({3:0.0}ms/frame).", UserHookData.NbArchivedFrames, FrameMissed, FrameRate, 1000.0 / FrameRate);
// Sequence file closing if required.
if (SAVE_SEQUENCE_TO_DISK)
{
MIL.MbufExportSequence(SEQUENCE_FILE, MIL.M_DEFAULT, MIL.M_NULL, MIL.M_NULL, FrameRate, MIL.M_CLOSE);
}
// Free all allocated buffers.
MIL.MbufFree(MilImageDisp);
for (n = 0; n < NbFrames; n++)
{
MIL.MbufFree(MilGrabImages[n]);
}
if (MilCompressedImage != MIL.M_NULL)
{
MIL.MbufFree(MilCompressedImage);
}
// Free defaults.
MIL.MappFreeDefault(MilApplication, MilSystem, MilDisplay, MilDigitizer, MIL.M_NULL);
}
private void CameraGrabStart()
{
try
{
//이미지 버퍼 배열 선언
_ImageBuffer = new MIL_ID[BufferCount];
//배열 수만큼 돎
for (int i = 0; i < _ImageBuffer.Length; i++)
{
//400x400 크기의 모노 이미지 버퍼 선언 (원하는대로 변경 가능)
MIL.MbufAllocColor(CurrentUseCamera.SystemID, 1, 400, 400, 8, MIL.M_IMAGE + MIL.M_GRAB + MIL.M_PROC, ref _ImageBuffer[i]);
}
//그랩 콜백 등록
_GrabCallbackFunc = OnGrab;
//콜백 및 그랩 비동기 시작
MIL.MdigProcess(CurrentUseCamera.DigitizerID, _ImageBuffer, _ImageBuffer.Length, MIL.M_START, MIL.M_ASYNCHRONOUS + MIL.M_TRIGGER_FOR_FIRST_GRAB, _GrabCallbackFunc, IntPtr.Zero);
}
catch (Exception err)
{
MessageBox.Show(err.Message + "\n" + err.StackTrace);
}
}
// Main function.
static void Main(string[] args)
{
MIL_ID MilApplication = MIL.M_NULL;
MIL_ID MilSystem = MIL.M_NULL;
MIL_ID MilDigitizer = MIL.M_NULL;
MIL_ID MilDisplay = MIL.M_NULL;
MIL_ID[] MilImage = new MIL_ID[2];
MIL_ID MilImageDisp = MIL.M_NULL;
MIL_ID Default = MIL.M_DEFAULT;
int NbProc = 0;
int n = 0;
double Time = 0.0;
StringBuilder Text = new StringBuilder("0", STRING_LENGTH_MAX);
UserDataObject userObject = new UserDataObject();
// Allocate defaults.
MIL.MappAllocDefault(MIL.M_DEFAULT, ref MilApplication, ref MilSystem, ref MilDisplay, ref MilDigitizer, ref MilImageDisp);
// Allocate 2 grab buffers.
for (n = 0; n < 2; n++)
{
MIL.MbufAlloc2d(MilSystem,
MIL.MdigInquire(MilDigitizer, MIL.M_SIZE_X, MIL.M_NULL),
MIL.MdigInquire(MilDigitizer, MIL.M_SIZE_Y, MIL.M_NULL),
8 + MIL.M_UNSIGNED,
MIL.M_IMAGE + MIL.M_GRAB + MIL.M_PROC,
ref MilImage[n]);
}
// Hook a function to the start of each frame to print the current frame index.
userObject.NbGrabStart = 0;
GCHandle userObjectHandle = GCHandle.Alloc(userObject);
MIL_DIG_HOOK_FUNCTION_PTR grabStartDelegate = new MIL_DIG_HOOK_FUNCTION_PTR(GrabStart);
MIL.MdigHookFunction(MilDigitizer, MIL.M_GRAB_START, grabStartDelegate, GCHandle.ToIntPtr(userObjectHandle));
// Print a message.
Console.WriteLine();
Console.WriteLine("DOUBLE BUFFERING ACQUISITION AND PROCESSING:");
Console.WriteLine("--------------------------------------------");
Console.WriteLine();
Console.WriteLine("Press <Enter> to stop.");
Console.WriteLine();
// Put the digitizer in asynchronous mode to be able to process while grabbing.
MIL.MdigControl(MilDigitizer, MIL.M_GRAB_MODE, MIL.M_ASYNCHRONOUS);
// Grab the first buffer.
MIL.MdigGrab(MilDigitizer, MilImage[0]);
// Process one buffer while grabbing the other.
n = 0;
do
{
// Grab the other buffer while processing the previous one.
MIL.MdigGrab(MilDigitizer, MilImage[1 - n]);
// Synchronize and start the timer.
if (NbProc == 0)
{
MIL.MappTimer(MIL.M_DEFAULT, MIL.M_TIMER_RESET + MIL.M_SYNCHRONOUS, MIL.M_NULL);
}
// Write the frame counter.
MIL.MgraText(Default, MilImage[n], 32, 32, string.Format("{0}", NbProc + 1));
// Process the first buffer already grabbed.
MIL.MimArith(MilImage[n], MIL.M_NULL, MilImageDisp, MIL.M_NOT);
// Count processed buffers.
NbProc++;
// Toggle grab buffers.
n = 1 - n;
} while (!Console.KeyAvailable);
// Wait until the end of the last grab and stop the timer.
MIL.MdigGrabWait(MilDigitizer, MIL.M_GRAB_END);
MIL.MappTimer(MIL.M_DEFAULT, MIL.M_TIMER_READ + MIL.M_SYNCHRONOUS, ref Time);
Console.ReadKey();
// Print statistics.
Console.WriteLine("{0} frames grabbed, at a frame rate of {1:0.00} frames/sec ({2:0.00} ms/frame).", NbProc, NbProc / Time, 1000.0 * Time / NbProc);
Console.WriteLine("Press <Enter> to end.");
Console.WriteLine();
Console.ReadKey();
// Unhook the function at the start of each frame.
MIL.MdigHookFunction(MilDigitizer, MIL.M_GRAB_START + MIL.M_UNHOOK, grabStartDelegate, GCHandle.ToIntPtr(userObjectHandle));
// Free GCHandle to allow the garbage collector to reclaim the object.
userObjectHandle.Free();
// Free allocations.
for (n = 0; n < 2; n++)
{
MIL.MbufFree(MilImage[n]);
}
MIL.MappFreeDefault(MilApplication, MilSystem, MilDisplay, MilDigitizer, MilImageDisp);
}
// Main function.
// --------------
static void Main(string[] args)
{
MIL_ID MilApplication = MIL.M_NULL;
MIL_ID MilRemoteApplication = MIL.M_NULL; // Remote Application identifier if running on a remote computer
MIL_ID MilSystem = MIL.M_NULL;
MIL_ID MilDigitizer = MIL.M_NULL;
MIL_ID MilDisplay = MIL.M_NULL;
MIL_ID MilImageDisp = MIL.M_NULL;
MIL_ID[] MilGrabImages = new MIL_ID[NB_GRAB_IMAGE_MAX];
MIL_ID MilCompressedImage = MIL.M_NULL;
ConsoleKeyInfo Selection = new ConsoleKeyInfo('1', ConsoleKey.D1, false, false, false);
int NbFrames = 0;
int n = 0;
int NbFramesReplayed = 0;
double FrameRate = 0;
double TimeWait = 0;
double TotalReplay = 0;
double GrabScale = GRAB_SCALE;
HookDataObject UserHookData = new HookDataObject();
MIL_INT LicenseModules = 0;
MIL_INT FrameCount = 0;
MIL_INT FrameMissed = 0;
MIL_INT CompressAttribute = 0;
// Allocate defaults.
MIL.MappAllocDefault(MIL.M_DEFAULT, ref MilApplication, ref MilSystem, ref MilDisplay, ref MilDigitizer, MIL.M_NULL);
// Allocate an image and display it.
MIL.MbufAllocColor(MilSystem,
MIL.MdigInquire(MilDigitizer, MIL.M_SIZE_BAND, MIL.M_NULL),
(MIL_INT)(MIL.MdigInquire(MilDigitizer, MIL.M_SIZE_X) * GrabScale),
(MIL_INT)(MIL.MdigInquire(MilDigitizer, MIL.M_SIZE_Y) * GrabScale),
8 + MIL.M_UNSIGNED,
MIL.M_IMAGE + MIL.M_GRAB + MIL.M_DISP,
ref MilImageDisp);
MIL.MbufClear(MilImageDisp, 0x0);
MIL.MdispSelect(MilDisplay, MilImageDisp);
// Grab continuously on display at the specified scale.
MIL.MdigControl(MilDigitizer, MIL.M_GRAB_SCALE, GrabScale);
MIL.MdigGrabContinuous(MilDigitizer, MilImageDisp);
// Print a message
Console.WriteLine();
Console.WriteLine("SEQUENCE ACQUISITION:");
Console.WriteLine("--------------------");
Console.WriteLine();
// Inquire MIL licenses.
MIL.MsysInquire(MilSystem, MIL.M_OWNER_APPLICATION, ref MilRemoteApplication);
MIL.MappInquire(MilRemoteApplication, MIL.M_LICENSE_MODULES, ref LicenseModules);
// If sequence is saved to disk, select between grabbing an
// uncompressed, JPEG or JPEG2000 sequence.
if (SAVE_SEQUENCE_TO_DISK && ((LicenseModules & (MIL.M_LICENSE_JPEGSTD | MIL.M_LICENSE_JPEG2000)) != 0))
{
Console.WriteLine("Choose the sequence format:");
Console.WriteLine("1) Uncompressed images.");
if ((LicenseModules & MIL.M_LICENSE_JPEGSTD) != 0)
{
Console.WriteLine("2) Compressed images with a lossy JPEG algorithm.");
}
if ((LicenseModules & MIL.M_LICENSE_JPEG2000) != 0)
{
Console.WriteLine("3) Compressed images with a lossy JPEG 2000 algorithm.");
}
Selection = Console.ReadKey();
}
else
{
Console.WriteLine("Press <Enter> to record images.");
Console.ReadKey();
}
// Set the buffer attribute.
switch (Selection.Key)
{
case ConsoleKey.NumPad1:
case ConsoleKey.D1:
case ConsoleKey.Enter:
Console.WriteLine();
Console.WriteLine("Recording uncompressed images...");
Console.WriteLine();
CompressAttribute = MIL.M_NULL;
break;
case ConsoleKey.NumPad2:
case ConsoleKey.D2:
Console.WriteLine();
Console.WriteLine("Recording JPEG images...");
Console.WriteLine();
CompressAttribute = MIL.M_COMPRESS + MIL.M_JPEG_LOSSY;
break;
case ConsoleKey.NumPad3:
case ConsoleKey.D3:
Console.WriteLine();
Console.WriteLine("Recording JPEG 2000 images...");
Console.WriteLine();
CompressAttribute = MIL.M_COMPRESS + MIL.M_JPEG2000_LOSSY;
break;
default:
Console.WriteLine();
Console.WriteLine("Invalid selection !.");
Console.WriteLine();
Console.WriteLine("Using uncompressed images.");
Console.WriteLine();
CompressAttribute = MIL.M_NULL;
while (Console.KeyAvailable)
{
Console.ReadKey();
}
break;
}
// Allocate a compressed buffer if required.
if (CompressAttribute != MIL.M_NULL)
{
MIL.MbufAllocColor(MilSystem,
MIL.MdigInquire(MilDigitizer, MIL.M_SIZE_BAND, MIL.M_NULL),
(int)(MIL.MdigInquire(MilDigitizer, MIL.M_SIZE_X, MIL.M_NULL) * GrabScale),
(int)(MIL.MdigInquire(MilDigitizer, MIL.M_SIZE_Y, MIL.M_NULL) * GrabScale),
8 + MIL.M_UNSIGNED,
MIL.M_IMAGE + CompressAttribute,
ref MilCompressedImage);
MIL.MbufControl(MilCompressedImage, MIL.M_Q_FACTOR, COMPRESSION_Q_FACTOR);
}
// Allocate the grab buffers to hold the sequence buffering.
MIL.MappControl(MIL.M_DEFAULT, MIL.M_ERROR, MIL.M_PRINT_DISABLE);
for (NbFrames = 0, n = 0; n < NB_GRAB_IMAGE_MAX; n++)
{
MIL.MbufAllocColor(MilSystem,
MIL.MdigInquire(MilDigitizer, MIL.M_SIZE_BAND, MIL.M_NULL),
(int)(MIL.MdigInquire(MilDigitizer, MIL.M_SIZE_X, MIL.M_NULL) * GrabScale),
(int)(MIL.MdigInquire(MilDigitizer, MIL.M_SIZE_Y, MIL.M_NULL) * GrabScale),
8 + MIL.M_UNSIGNED,
MIL.M_IMAGE + MIL.M_GRAB,
ref MilGrabImages[n]);
if (MilGrabImages[n] != MIL.M_NULL)
{
NbFrames++;
MIL.MbufClear(MilGrabImages[n], 0xFF);
}
else
{
break;
}
}
MIL.MappControl(MIL.M_DEFAULT, MIL.M_ERROR, MIL.M_PRINT_ENABLE);
// Free buffers to leave some space for possible temporary buffers.
for (n = 0; n < 2 && NbFrames > 0; n++)
{
NbFrames--;
MIL.MbufFree(MilGrabImages[NbFrames]);
}
// Halt continuous grab.
MIL.MdigHalt(MilDigitizer);
// Open the AVI file if required.
if (SAVE_SEQUENCE_TO_DISK)
{
Console.WriteLine("Saving the sequence to an AVI file...");
Console.WriteLine();
MIL.MbufExportSequence(SEQUENCE_FILE, MIL.M_DEFAULT, MIL.M_NULL, MIL.M_NULL, MIL.M_DEFAULT, MIL.M_OPEN);
}
// Initialize User's archiving function hook data structure.
UserHookData.MilSystem = MilSystem;
UserHookData.MilDisplay = MilDisplay;
UserHookData.MilImageDisp = MilImageDisp;
UserHookData.MilCompressedImage = MilCompressedImage;
UserHookData.SaveSequenceToDisk = SAVE_SEQUENCE_TO_DISK;
UserHookData.NbGrabbedFrames = 0;
UserHookData.NbArchivedFrames = 0;
// get a handle to the DigHookUserData object in the managed heap, we will use this
// handle to get the object back in the callback function
GCHandle UserHookDataHandle = GCHandle.Alloc(UserHookData);
MIL_DIG_HOOK_FUNCTION_PTR UserHookFunctionDelegate = new MIL_DIG_HOOK_FUNCTION_PTR(ArchiveFunction);
// Acquire the sequence. The processing hook function will
// be called for each image grabbed to archive and display it.
// If sequence is not saved to disk, stop after NbFrames.
MIL.MdigProcess(MilDigitizer, MilGrabImages, NbFrames, SAVE_SEQUENCE_TO_DISK ? MIL.M_START : MIL.M_SEQUENCE, MIL.M_DEFAULT, UserHookFunctionDelegate, GCHandle.ToIntPtr(UserHookDataHandle));
// Wait for a key press.
Console.WriteLine("Press <Enter> to continue.");
Console.WriteLine();
Console.ReadKey(true);
// Stop the sequence acquisition.
MIL.MdigProcess(MilDigitizer, MilGrabImages, NbFrames, MIL.M_STOP, MIL.M_DEFAULT, UserHookFunctionDelegate, GCHandle.ToIntPtr(UserHookDataHandle));
// Free the GCHandle when no longer used
UserHookDataHandle.Free();
// Read and print final statistics.
MIL.MdigInquire(MilDigitizer, MIL.M_PROCESS_FRAME_COUNT, ref FrameCount);
MIL.MdigInquire(MilDigitizer, MIL.M_PROCESS_FRAME_RATE, ref FrameRate);
MIL.MdigInquire(MilDigitizer, MIL.M_PROCESS_FRAME_MISSED, ref FrameMissed);
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("{0} frames archived ({1} missed), at {2:0.0} frames/sec ({3:0.0}ms/frame).", UserHookData.NbArchivedFrames, FrameMissed, FrameRate, 1000.0 / FrameRate);
// Sequence file closing if required.
if (SAVE_SEQUENCE_TO_DISK)
{
MIL.MbufExportSequence(SEQUENCE_FILE, MIL.M_DEFAULT, MIL.M_NULL, MIL.M_NULL, FrameRate, MIL.M_CLOSE);
}
// Playback the sequence until a key is pressed.
if (UserHookData.NbArchivedFrames > 0)
{
do
{
// If sequence must be loaded.
if (SAVE_SEQUENCE_TO_DISK)
{
// Inquire information about the sequence.
Console.WriteLine();
Console.WriteLine("Playing back sequence from the AVI file...");
Console.WriteLine();
Console.WriteLine("Press <Enter> to end.");
Console.WriteLine();
Console.WriteLine();
MIL.MbufDiskInquire(SEQUENCE_FILE, MIL.M_NUMBER_OF_IMAGES, ref FrameCount);
MIL.MbufDiskInquire(SEQUENCE_FILE, MIL.M_FRAME_RATE, ref FrameRate);
MIL.MbufDiskInquire(SEQUENCE_FILE, MIL.M_COMPRESSION_TYPE, ref CompressAttribute);
// Open the sequence file.
MIL.MbufImportSequence(SEQUENCE_FILE, MIL.M_DEFAULT, MIL.M_NULL, MIL.M_NULL, MIL.M_NULL, MIL.M_NULL, MIL.M_NULL, MIL.M_OPEN);
}
// Copy the images to the screen respecting the sequence frame rate.
TotalReplay = 0.0;
NbFramesReplayed = 0;
for (n = 0; n < FrameCount; n++)
{
// Reset the time.
MIL.MappTimer(MIL.M_DEFAULT, MIL.M_TIMER_RESET, MIL.M_NULL);
// If image was saved to disk.
if (SAVE_SEQUENCE_TO_DISK)
{
// Load image directly to the display.
MIL.MbufImportSequence(SEQUENCE_FILE, MIL.M_DEFAULT, MIL.M_LOAD, MIL.M_NULL, ref MilImageDisp, n, 1, MIL.M_READ);
NbFramesReplayed++;
Console.Write("Frame #{0} \r", NbFramesReplayed);
}
else
{
// Copy the grabbed image to the display.
MIL.MbufCopy(MilGrabImages[n], MilImageDisp);
NbFramesReplayed++;
Console.Write("Frame #{0} \r", NbFramesReplayed);
}
// Check for a pressed key to exit.
if (Console.KeyAvailable && (n >= (NB_GRAB_IMAGE_MAX - 1)))
{
Console.ReadKey(true);
break;
}
// Wait to have a proper frame rate.
MIL.MappTimer(MIL.M_DEFAULT, MIL.M_TIMER_READ, ref TimeWait);
TotalReplay += TimeWait;
TimeWait = (1 / FrameRate) - TimeWait;
MIL.MappTimer(MIL.M_DEFAULT, MIL.M_TIMER_WAIT, ref TimeWait);
TotalReplay += (TimeWait > 0) ? TimeWait : 0.0;
}
// Close the sequence file.
if (SAVE_SEQUENCE_TO_DISK)
{
MIL.MbufImportSequence(SEQUENCE_FILE, MIL.M_DEFAULT, MIL.M_NULL, MIL.M_NULL, MIL.M_NULL, MIL.M_NULL, MIL.M_NULL, MIL.M_CLOSE);
}
// Print statistics.
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("{0} frames replayed, at a frame rate of {1:0.0} frames/sec ({2:0.0} ms/frame).", NbFramesReplayed, n / TotalReplay, 1000.0 * TotalReplay / n);
Console.WriteLine();
Console.WriteLine("Press <Enter> to end (or any other key to playback again).");
Console.WriteLine();
}while (Console.ReadKey(true).Key != ConsoleKey.Enter);
}
// Free all allocated buffers.
MIL.MbufFree(MilImageDisp);
for (n = 0; n < NbFrames; n++)
{
MIL.MbufFree(MilGrabImages[n]);
}
if (MilCompressedImage != MIL.M_NULL)
{
MIL.MbufFree(MilCompressedImage);
}
// Free defaults.
MIL.MappFreeDefault(MilApplication, MilSystem, MilDisplay, MilDigitizer, MIL.M_NULL);
}
// Main function. //
// ---------------//
static int Main(string[] args)
{
MIL_ID MilApplication = MIL.M_NULL;
MIL_ID MilRemoteApplication = MIL.M_NULL;
MIL_ID MilSystem = MIL.M_NULL;
MIL_ID MilDigitizer = MIL.M_NULL;
MIL_ID MilDisplay = MIL.M_NULL;
MIL_ID MilImageDisp = MIL.M_NULL;
MIL_ID[] MilGrabBufferList = new MIL_ID[BUFFERING_SIZE_MAX];
MIL_ID MilCompressContext = MIL.M_NULL;
MIL_ID MilDecompressContext = MIL.M_NULL;
MIL_INT LicenseModules = 0;
MIL_INT MilSystemLocation = MIL.M_NULL;
MIL_INT MilGrabBufferListSize;
MIL_INT ProcessFrameCount = 0;
MIL_INT NbFrames = 0;
MIL_INT n = 0;
double EncodingDesiredFrameRate = 0.0;
double ProcessFrameRate = 0.0;
MIL_INT SeqProcessFilePathSize = 0;
StringBuilder SeqProcessFilePath = null;
ProcessingHookDataStruct ProcessingUserHookData = new ProcessingHookDataStruct();
EncodingFrameEndHookDataStruct EncodingFrameEndUserHookData = new EncodingFrameEndHookDataStruct();
DecodingFrameEndHookDataStruct DecodingFrameEndUserHookData = new DecodingFrameEndHookDataStruct();
MIL_INT SeqSystemType = MIL.M_NULL;
// Allocate defaults.
MIL.MappAllocDefault(MIL.M_DEFAULT, ref MilApplication, ref MilSystem, ref MilDisplay, ref MilDigitizer, ref MilImageDisp);
MIL.MsysInquire(MilSystem, MIL.M_OWNER_APPLICATION, ref MilRemoteApplication);
MilSystemLocation = MIL.MsysInquire(MilSystem, MIL.M_LOCATION, MIL.M_NULL);
if (MIL.MappInquire(MilRemoteApplication, MIL.M_PLATFORM_OS_TYPE, MIL.M_NULL) != MIL.M_OS_WINDOWS)
{
if (MilSystemLocation == MIL.M_REMOTE)
{
Console.WriteLine("The Distributed MIL server must run on a Windows system.");
}
else
{
Console.WriteLine("This example only works with a Windows system.");
}
Console.WriteLine("Press <Enter> to end.");
Console.ReadKey();
MIL.MappFreeDefault(MilApplication, MilSystem, MilDisplay, MilDigitizer, MilImageDisp);
return(0);
}
// Inquire MIL licenses.
MIL.MappInquire(MilRemoteApplication, MIL.M_LICENSE_MODULES, ref LicenseModules);
if ((LicenseModules & MIL.M_LICENSE_JPEGSTD) != MIL.M_LICENSE_JPEGSTD)
{
Console.WriteLine("Need a Compression/Decompression license to run this example.");
Console.WriteLine("Press <Enter> to end.");
Console.ReadKey();
MIL.MappFreeDefault(MilApplication, MilSystem, MilDisplay, MilDigitizer, MilImageDisp);
return(0);
}
// Allocate the grab buffers and clear them.
MIL.MappControl(MIL.M_DEFAULT, MIL.M_ERROR, MIL.M_PRINT_DISABLE);
for (MilGrabBufferListSize = 0; MilGrabBufferListSize < BUFFERING_SIZE_MAX; MilGrabBufferListSize++)
{
MIL.MbufAllocColor(MilSystem, MIL.MdigInquire(MilDigitizer, MIL.M_SIZE_BAND, MIL.M_NULL),
MIL.MdigInquire(MilDigitizer, MIL.M_SIZE_X, MIL.M_NULL),
MIL.MdigInquire(MilDigitizer, MIL.M_SIZE_Y, MIL.M_NULL),
8 + MIL.M_UNSIGNED, MIL.M_IMAGE + MIL.M_GRAB + MIL.M_PROC,
ref MilGrabBufferList[MilGrabBufferListSize]);
if (MilGrabBufferList[MilGrabBufferListSize] != MIL.M_NULL)
{
MIL.MbufClear(MilGrabBufferList[MilGrabBufferListSize], 0xFF);
}
else
{
break;
}
}
MIL.MappControl(MIL.M_DEFAULT, MIL.M_ERROR, MIL.M_PRINT_ENABLE);
// Free buffers to leave space for possible temporary buffers.
for (n = 0; n < 2 && MilGrabBufferListSize > 0; n++)
{
MilGrabBufferListSize--;
MIL.MbufFree(MilGrabBufferList[MilGrabBufferListSize]);
}
if (MilGrabBufferListSize == 0)
{
Console.WriteLine("!!! No grab buffers have been allocated. Need to set more Non-Paged Memory. !!!");
MIL.MappFreeDefault(MilApplication, MilSystem, MilDisplay, MilDigitizer, MilImageDisp);
Console.WriteLine("Press <Enter> to end.");
Console.ReadKey();
return(1);
}
/* Initialize the User's processing function data structure only for Display. */
ProcessingUserHookData.MilDigitizer = MilDigitizer;
ProcessingUserHookData.MilSeqContext = MIL.M_NULL;
ProcessingUserHookData.MilImageDisp = MilImageDisp;
ProcessingUserHookData.ProcessedImageCount = 0;
ProcessingUserHookData.ProcessingOperation = ProcessingHookOperation.DISPLAY;
// get a handle to the HookDataStruct object in the managed heap, we will use this
// handle to get the object back in the callback function
GCHandle hUserData = GCHandle.Alloc(ProcessingUserHookData);
// Start the sequence acquisition. The preprocessing and encoding hook function
// is called for every frame grabbed.
MIL_DIG_HOOK_FUNCTION_PTR ProcessingFunctionDelegate = new MIL_DIG_HOOK_FUNCTION_PTR(ProcessingFunction);
/* Start a digProcess to show the live camera output. */
MIL.MdigProcess(MilDigitizer, MilGrabBufferList, MilGrabBufferListSize, MIL.M_START, MIL.M_DEFAULT, ProcessingFunctionDelegate, GCHandle.ToIntPtr(hUserData));
/* Print a message. */
Console.Write("\nH.264 IMAGE SEQUENCE COMPRESSION.\n");
Console.Write("---------------------------------\n\n");
Console.Write("Press <Enter> to start compression.\r");
Console.ReadKey();
/* Stop digProcess. */
MIL.MdigProcess(MilDigitizer, MilGrabBufferList, MilGrabBufferListSize, MIL.M_STOP, MIL.M_DEFAULT, ProcessingFunctionDelegate, GCHandle.ToIntPtr(hUserData));
/* Inquire the dig process frame rate */
MIL.MdigInquire(MilDigitizer, MIL.M_PROCESS_FRAME_RATE, ref EncodingDesiredFrameRate);
Console.Write("Grabbing frames at {0:0.00} frames/sec.\n", EncodingDesiredFrameRate);
// Creates a context for the H.264 compression engine. Compression will be done
// using hardware or software depending on the system hardware configuration.
MIL.MseqAlloc(MilSystem, MIL.M_DEFAULT, MIL.M_SEQ_COMPRESS, MIL.M_DEFAULT, MIL.M_DEFAULT, ref MilCompressContext);
// Specify the destination of the compressed file and the target container type.
// The last argument specifies to generate an MP4 file.
MIL.MseqDefine(MilCompressContext, MIL.M_SEQ_OUTPUT(0) + MIL.M_SEQ_DEST(0), MIL.M_FILE,
(MilSystemLocation != MIL.M_REMOTE ? SEQUENCE_FILE : REMOTE_SEQUENCE_FILE),
MIL.M_FILE_FORMAT_MP4);
// Set the compression parameters.
// Sets the compression parameters valid for any resolution under 1920X1080.
// Any resolution higher than that will generate an warning that can be disabled using
// MseqControl with M_SETTING_AUTO_ADJUSTMENT. See documentation for more details.
MIL.MseqControl(MilCompressContext, MIL.M_CONTEXT, MIL.M_STREAM_BIT_RATE_MODE, MIL.M_VARIABLE); // MIL.M_VARIABLE or MIL.M_CONSTANT
MIL.MseqControl(MilCompressContext, MIL.M_CONTEXT, MIL.M_STREAM_BIT_RATE, 5000); // 5 Mbps bit rate
MIL.MseqControl(MilCompressContext, MIL.M_CONTEXT, MIL.M_STREAM_BIT_RATE_MAX, 5000); // 5 Mbps bit rate
MIL.MseqControl(MilCompressContext, MIL.M_CONTEXT, MIL.M_STREAM_FRAME_RATE, EncodingDesiredFrameRate); // 60Hz frame rate.
MIL.MseqControl(MilCompressContext, MIL.M_CONTEXT, MIL.M_STREAM_FRAME_RATE_MODE, MIL.M_VARIABLE); // Attempts to update the file header with the encoding frame rate
// if lower than the specified frame rate.
MIL.MseqControl(MilCompressContext, MIL.M_CONTEXT, MIL.M_STREAM_QUALITY, 100); // 1=best speed, 100=best quality
MIL.MseqControl(MilCompressContext, MIL.M_CONTEXT, MIL.M_STREAM_PROFILE, MIL.M_PROFILE_HIGH); // MIL.M_PROFILE_BASELINE, MIL.M_PROFILE_MAIN, MIL.M_PROFILE_HIGH
MIL.MseqControl(MilCompressContext, MIL.M_CONTEXT, MIL.M_STREAM_LEVEL, MIL.M_LEVEL_4_2); // MIL.M_LEVEL_1, MIL.M_LEVEL_1B, MIL.M_LEVEL_1_1, MIL.M_LEVEL_1_2, MIL.M_LEVEL_1_3,
// MIL.M_LEVEL_2, MIL.M_LEVEL_2_1, MIL.M_LEVEL_2_2,
// MIL.M_LEVEL_3, MIL.M_LEVEL_3_1, MIL.M_LEVEL_3_2,
// MIL.M_LEVEL_4, MIL.M_LEVEL_4_1, MIL.M_LEVEL_4_2,
// MIL.M_LEVEL_5, MIL.M_LEVEL_5_1
MIL.MseqControl(MilCompressContext, MIL.M_CONTEXT, MIL.M_STREAM_GROUP_OF_PICTURE_SIZE, 30); // Interval between I-Frame
// Initialize the optional encoding end function data structure.
EncodingFrameEndUserHookData.EncodedImageCount = 0;
// get a handle to the HookDataStruct object in the managed heap, we will use this
// handle to get the object back in the callback function
GCHandle EncodingFrameEndUserHookDataHandle = GCHandle.Alloc(EncodingFrameEndUserHookData);
// Register the encoding end function to the sequence context.
MIL_SEQ_HOOK_FUNCTION_PTR FrameEncodingEndFunctionDelegate = new MIL_SEQ_HOOK_FUNCTION_PTR(FrameEncodingEndFunction);
MIL.MseqHookFunction(MilCompressContext, MIL.M_FRAME_END, FrameEncodingEndFunctionDelegate, GCHandle.ToIntPtr(EncodingFrameEndUserHookDataHandle));
// Provide a sample image to initialize the encoding engine accordingly.
MIL.MseqControl(MilCompressContext, MIL.M_CONTEXT, MIL.M_BUFFER_SAMPLE, MilGrabBufferList[0]);
// Start the encoding process, waits for buffer to be fed for encoding.
MIL.MseqProcess(MilCompressContext, MIL.M_START, MIL.M_ASYNCHRONOUS);
// Display the type of compression used.
Console.Write("Live image capture and compression to file using ");
MIL.MseqInquire(MilCompressContext, MIL.M_CONTEXT, MIL.M_CODEC_TYPE, ref SeqSystemType);
if (SeqSystemType == MIL.M_HARDWARE + MIL.M_QSV)
{
Console.WriteLine("Hardware acceleration.");
}
else // MIL.M_SOFTWARE + MIL.M_QSV
{
Console.WriteLine("Software implementation.");
}
// Set the sequence context id in the user hook data structure to start
// feeding buffers for encoding in ProcessingFunction.
//
ProcessingUserHookData.MilSeqContext = MilCompressContext;
ProcessingUserHookData.ProcessedImageCount = 0;
ProcessingUserHookData.ProcessingOperation = ProcessingHookOperation.ENCODE;
MIL.MdigProcess(MilDigitizer, MilGrabBufferList, MilGrabBufferListSize, MIL.M_START, MIL.M_DEFAULT, ProcessingFunctionDelegate, GCHandle.ToIntPtr(hUserData));
// NOTE: Now the main() is free to perform other tasks while the compression is executing.
// ---------------------------------------------------------------------------------------
// Print a message and wait for a key press after a minimum number of frames.
Console.WriteLine("Press <Enter> to stop.\n");
Console.ReadKey();
// Stop the processing.
MIL.MdigProcess(MilDigitizer, MilGrabBufferList, MilGrabBufferListSize, MIL.M_STOP + MIL.M_WAIT, MIL.M_DEFAULT, ProcessingFunctionDelegate, GCHandle.ToIntPtr(hUserData));
// Free the processing user data handle.
hUserData.Free();
// Stop the encoding process
MIL.MseqProcess(MilCompressContext, MIL.M_STOP, MIL.M_WAIT);
// Make sure the hook handler function delegate is not prematurely garbage collected since
// only MIL has a reference to it.
GC.KeepAlive(FrameEncodingEndFunctionDelegate);
// Free the encoding user data handle.
EncodingFrameEndUserHookDataHandle.Free();
// Print statistics.
MIL.MdigInquire(MilDigitizer, MIL.M_PROCESS_FRAME_COUNT, ref ProcessFrameCount);
MIL.MdigInquire(MilDigitizer, MIL.M_PROCESS_FRAME_RATE, ref ProcessFrameRate);
Console.WriteLine("{0} frames encoded at {1:0.00} frames/sec ({2:0.0} ms/frame).", ProcessFrameCount, ProcessFrameRate, 1000.0 / ProcessFrameRate);
Console.WriteLine();
MIL.MseqInquire(MilCompressContext, MIL.M_SEQ_OUTPUT(0) + MIL.M_SEQ_DEST(0), MIL.M_STREAM_FILE_NAME_SIZE, ref SeqProcessFilePathSize);
SeqProcessFilePath = new StringBuilder((int)SeqProcessFilePathSize);
MIL.MseqInquire(MilCompressContext, MIL.M_SEQ_OUTPUT(0) + MIL.M_SEQ_DEST(0), MIL.M_STREAM_FILE_NAME, SeqProcessFilePath);
Console.WriteLine("The video sequence file was written to:");
Console.WriteLine("{0}.", SeqProcessFilePath.ToString());
Console.WriteLine();
Console.WriteLine("It can be played back using any compatible video player.");
// Free the grab buffers and sequence context.
while (MilGrabBufferListSize > 0)
{
MIL.MbufFree(MilGrabBufferList[--MilGrabBufferListSize]);
MilGrabBufferList[MilGrabBufferListSize] = MIL.M_NULL;
}
MIL.MseqFree(MilCompressContext);
// Wait for a key to start the replay.
Console.WriteLine("Press <Enter> to replay encoded sequence.");
Console.ReadKey();
MIL.MseqAlloc(MilSystem, MIL.M_DEFAULT, MIL.M_SEQ_DECOMPRESS,
MIL.M_DEFAULT, MIL.M_DEFAULT, ref MilDecompressContext);
// Specify the destination of the compressed file and the target container type.
// The last argument specifies to generate an MP4 file.
MIL.MseqDefine(MilDecompressContext, MIL.M_SEQ_INPUT(0), MIL.M_FILE,
(MilSystemLocation != MIL.M_REMOTE ? SEQUENCE_FILE : REMOTE_SEQUENCE_FILE),
MIL.M_FILE_FORMAT_MP4);
double outputFrameRate = 0.0;
MIL.MseqInquire(MilDecompressContext, MIL.M_SEQ_INPUT(0), MIL.M_STREAM_FRAME_RATE, ref outputFrameRate);
Console.WriteLine();
Console.WriteLine("Replaying file at {0:0.00} frames/second.", outputFrameRate);
// Initialize the optional decoding end function data structure.
DecodingFrameEndUserHookData.DecodedImageCount = 0;
DecodingFrameEndUserHookData.MilImageDisp = MilImageDisp;
// get a handle to the HookDataStruct object in the managed heap, we will use this
// handle to get the object back in the callback function
GCHandle DecodingFrameEndUserHookDataHandle = GCHandle.Alloc(DecodingFrameEndUserHookData);
// Register the decoding end function to the sequence context.
MIL_SEQ_HOOK_FUNCTION_PTR FrameDecodingEndFunctionDelegate = new MIL_SEQ_HOOK_FUNCTION_PTR(FrameDecodingEndFunction);
MIL.MseqHookFunction(MilDecompressContext, MIL.M_FRAME_END, FrameDecodingEndFunctionDelegate, GCHandle.ToIntPtr(DecodingFrameEndUserHookDataHandle));
// Start the decoding process, waits for buffer to be fed for encoding.
MIL.MseqProcess(MilDecompressContext, MIL.M_START, MIL.M_ASYNCHRONOUS);
// Print a message and wait for a key press after a minimum number of frames.
Console.WriteLine("Press <Enter> to stop.\n");
Console.ReadKey();
// Stop the play back.
MIL.MseqProcess(MilDecompressContext, MIL.M_STOP, MIL.M_NULL);
// Make sure the hook handler function delegate is not prematurely garbage collected since
// only MIL has a reference to it.
GC.KeepAlive(FrameDecodingEndFunctionDelegate);
// Free the decoding user data handle.
DecodingFrameEndUserHookDataHandle.Free();
MIL.MseqFree(MilDecompressContext);
// Wait for a key to end.
Console.WriteLine("Press <Enter> to end.");
Console.ReadKey();
// Release defaults.
MIL.MappFreeDefault(MilApplication, MilSystem, MilDisplay, MilDigitizer, MilImageDisp);
return(0);
}
// Main function.
static void Main(string[] args)
{
MIL_ID MilApplication = MIL.M_NULL;
MIL_ID MilSystem = MIL.M_NULL;
MIL_ID MilDigitizer = MIL.M_NULL;
MIL_ID MilDisplay = MIL.M_NULL;
MIL_ID MilImageDisp = MIL.M_NULL;
MIL_ID[] MilGrabBufferList = new MIL_ID[BUFFERING_SIZE_MAX];
int MilGrabBufferListSize = 0;
MIL_INT ProcessFrameCount = 0;
double ProcessFrameRate = 0;
HookDataStruct UserHookData = new HookDataStruct();
// Allocate defaults.
MIL.MappAllocDefault(MIL.M_DEFAULT, ref MilApplication, ref MilSystem, ref MilDisplay,
ref MilDigitizer, ref MilImageDisp);
// Allocate the grab buffers and clear them.
MIL.MappControl(MIL.M_DEFAULT, MIL.M_ERROR, MIL.M_PRINT_DISABLE);
for (MilGrabBufferListSize = 0; MilGrabBufferListSize < BUFFERING_SIZE_MAX; MilGrabBufferListSize++)
{
MIL.MbufAlloc2d(MilSystem,
MIL.MdigInquire(MilDigitizer, MIL.M_SIZE_X, MIL.M_NULL),
MIL.MdigInquire(MilDigitizer, MIL.M_SIZE_Y, MIL.M_NULL),
8 + MIL.M_UNSIGNED,
MIL.M_IMAGE + MIL.M_GRAB + MIL.M_PROC,
ref MilGrabBufferList[MilGrabBufferListSize]);
if (MilGrabBufferList[MilGrabBufferListSize] != MIL.M_NULL)
{
MIL.MbufClear(MilGrabBufferList[MilGrabBufferListSize], 0xFF);
}
else
{
break;
}
}
MIL.MappControl(MIL.M_DEFAULT, MIL.M_ERROR, MIL.M_PRINT_ENABLE);
// Free buffers to leave space for possible temporary buffers.
for (int n = 0; n < 2 && MilGrabBufferListSize > 0; n++)
{
MilGrabBufferListSize--;
MIL.MbufFree(MilGrabBufferList[MilGrabBufferListSize]);
}
// Print a message.
Console.WriteLine();
Console.WriteLine("MULTIPLE BUFFERED PROCESSING.");
Console.WriteLine("-----------------------------");
Console.WriteLine();
Console.Write("Press <Enter> to start processing.\r");
// Grab continuously on the display and wait for a key press.
MIL.MdigGrabContinuous(MilDigitizer, MilImageDisp);
Console.ReadKey();
// Halt continuous grab.
MIL.MdigHalt(MilDigitizer);
// Initialize the user's processing function data structure.
UserHookData.MilDigitizer = MilDigitizer;
UserHookData.MilImageDisp = MilImageDisp;
UserHookData.ProcessedImageCount = 0;
// get a handle to the HookDataStruct object in the managed heap, we will use this
// handle to get the object back in the callback function
GCHandle hUserData = GCHandle.Alloc(UserHookData);
MIL_DIG_HOOK_FUNCTION_PTR ProcessingFunctionPtr = new MIL_DIG_HOOK_FUNCTION_PTR(ProcessingFunction);
// Start the processing. The processing function is called with every frame grabbed.
MIL.MdigProcess(MilDigitizer, MilGrabBufferList, MilGrabBufferListSize, MIL.M_START, MIL.M_DEFAULT, ProcessingFunctionPtr, GCHandle.ToIntPtr(hUserData));
// Here the main() is free to perform other tasks while the processing is executing.
// ---------------------------------------------------------------------------------
// Print a message and wait for a key press after a minimum number of frames.
Console.WriteLine("Press <Enter> to stop. ");
Console.WriteLine();
Console.ReadKey();
// Stop the processing.
MIL.MdigProcess(MilDigitizer, MilGrabBufferList, MilGrabBufferListSize, MIL.M_STOP, MIL.M_DEFAULT, ProcessingFunctionPtr, GCHandle.ToIntPtr(hUserData));
// Free the GCHandle when no longer used
hUserData.Free();
// Print statistics.
MIL.MdigInquire(MilDigitizer, MIL.M_PROCESS_FRAME_COUNT, ref ProcessFrameCount);
MIL.MdigInquire(MilDigitizer, MIL.M_PROCESS_FRAME_RATE, ref ProcessFrameRate);
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("{0} frames grabbed at {1:0.0} frames/sec ({2:0.0} ms/frame).", ProcessFrameCount, ProcessFrameRate, 1000.0 / ProcessFrameRate);
Console.WriteLine("Press <Enter> to end.");
Console.WriteLine();
Console.ReadKey();
// Free the grab buffers.
while (MilGrabBufferListSize > 0)
{
MIL.MbufFree(MilGrabBufferList[--MilGrabBufferListSize]);
}
// Release defaults.
MIL.MappFreeDefault(MilApplication, MilSystem, MilDisplay, MilDigitizer, MilImageDisp);
}
