aiden/video-shader-toys
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Revert "Video backend"

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This reverts commit 4ffbb97abf.
This commit is contained in:
Aiden
2026-05-09 16:47:43 +10:00
parent 0c16665610
commit bc9aa6fbad
21 changed files with 275 additions and 512 deletions
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78
apps/LoopThroughWithOpenGLCompositing/gl/OpenGLComposite.cpp
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@@ -1,3 +1,5 @@
#include "DeckLinkDisplayMode.h"
#include "DeckLinkSession.h"
#include "OpenGLComposite.h"
#include "GLExtensions.h"
#include "GlRenderConstants.h"
@@ -8,7 +10,6 @@
#include "PngScreenshotWriter.h"
#include "RuntimeServices.h"
#include "ShaderBuildQueue.h"
#include "VideoIOBackendFactory.h"
#include <algorithm>
#include <chrono>
@@ -22,6 +23,7 @@
OpenGLComposite::OpenGLComposite(HWND hWnd, HDC hDC, HGLRC hRC) :
hGLWnd(hWnd), hGLDC(hDC), hGLRC(hRC),
mVideoIO(std::make_unique<DeckLinkSession>()),
mRenderer(std::make_unique<OpenGLRenderer>()),
mUseCommittedLayerStates(false),
mScreenshotRequested(false)
@@ -35,7 +37,7 @@ OpenGLComposite::OpenGLComposite(HWND hWnd, HDC hDC, HGLRC hRC) :
[this]() { ProcessScreenshotRequest(); },
[this]() { paintGL(); });
mVideoIOBridge = std::make_unique<OpenGLVideoIOBridge>(
nullptr,
*mVideoIO,
*mRenderer,
*mRenderPipeline,
*mRuntimeHost,
@@ -54,15 +56,20 @@ OpenGLComposite::~OpenGLComposite()
mRuntimeServices->Stop();
if (mShaderBuildQueue)
mShaderBuildQueue->Stop();
if (mVideoIO)
mVideoIO->ReleaseResources();
mVideoIO->ReleaseResources();
mRenderer->DestroyResources();
DeleteCriticalSection(&pMutex);
}
bool OpenGLComposite::InitializeVideoIO()
bool OpenGLComposite::InitDeckLink()
{
return InitVideoIO();
}
bool OpenGLComposite::InitVideoIO()
{
VideoFormatSelection videoModes;
std::string initFailureReason;
if (mRuntimeHost && mRuntimeHost->GetRepoRoot().empty())
@@ -75,31 +82,31 @@ bool OpenGLComposite::InitializeVideoIO()
}
}
if (!mRuntimeHost)
if (mRuntimeHost)
{
initFailureReason = "Runtime host is not available.";
MessageBoxA(NULL, initFailureReason.c_str(), "Video I/O initialization failed", MB_OK | MB_ICONERROR);
return false;
if (!ResolveConfiguredVideoFormats(
mRuntimeHost->GetInputVideoFormat(),
mRuntimeHost->GetInputFrameRate(),
mRuntimeHost->GetOutputVideoFormat(),
mRuntimeHost->GetOutputFrameRate(),
videoModes,
initFailureReason))
{
MessageBoxA(NULL, initFailureReason.c_str(), "DeckLink mode configuration error", MB_OK);
return false;
}
}
const VideoIOConfiguration videoIOConfig = mRuntimeHost->GetVideoIOConfiguration();
mVideoIO = CreateVideoIODevice(videoIOConfig.backendId, initFailureReason);
if (!mVideoIO)
{
MessageBoxA(NULL, initFailureReason.c_str(), "Video I/O initialization failed", MB_OK | MB_ICONERROR);
return false;
}
mVideoIOBridge->SetVideoIODevice(mVideoIO.get());
if (!mVideoIO->DiscoverDevicesAndModes(videoIOConfig, initFailureReason))
if (!mVideoIO->DiscoverDevicesAndModes(videoModes, initFailureReason))
{
const char* title = initFailureReason == "Please install the Blackmagic DeckLink drivers to use the features of this application."
? "This application requires the selected video I/O drivers installed."
: "Video I/O initialization failed";
? "This application requires the DeckLink drivers installed."
: "DeckLink initialization failed";
MessageBoxA(NULL, initFailureReason.c_str(), title, MB_OK | MB_ICONERROR);
return false;
}
if (!mVideoIO->SelectPreferredFormats(videoIOConfig, initFailureReason))
const bool outputAlphaRequired = mRuntimeHost && mRuntimeHost->ExternalKeyingEnabled();
if (!mVideoIO->SelectPreferredFormats(videoModes, outputAlphaRequired, initFailureReason))
goto error;
if (! CheckOpenGLExtensions())
@@ -114,9 +121,9 @@ bool OpenGLComposite::InitializeVideoIO()
goto error;
}
PublishVideoIOStatus(mVideoIO->DeviceName().empty()
? "Video I/O output device selected."
: ("Selected output device: " + mVideoIO->DeviceName()));
PublishVideoIOStatus(mVideoIO->OutputModelName().empty()
? "DeckLink output device selected."
: ("Selected output device: " + mVideoIO->OutputModelName()));
// Resize window to match output video frame, but scale large formats down by half for viewing.
if (mVideoIO->OutputFrameWidth() < 1920)
@@ -124,7 +131,7 @@ bool OpenGLComposite::InitializeVideoIO()
else
resizeWindow(mVideoIO->OutputFrameWidth() / 2, mVideoIO->OutputFrameHeight() / 2);
if (!mVideoIO->ConfigureInput([this](const VideoIOFrame& frame) { mVideoIOBridge->VideoFrameArrived(frame); }, initFailureReason))
if (!mVideoIO->ConfigureInput([this](const VideoIOFrame& frame) { mVideoIOBridge->VideoFrameArrived(frame); }, videoModes.input, initFailureReason))
{
goto error;
}
@@ -133,7 +140,7 @@ bool OpenGLComposite::InitializeVideoIO()
mRuntimeHost->SetSignalStatus(false, mVideoIO->InputFrameWidth(), mVideoIO->InputFrameHeight(), mVideoIO->InputDisplayModeName());
}
if (!mVideoIO->ConfigureOutput([this](const VideoIOCompletion& completion) { mVideoIOBridge->PlayoutFrameCompleted(completion); }, initFailureReason))
if (!mVideoIO->ConfigureOutput([this](const VideoIOCompletion& completion) { mVideoIOBridge->PlayoutFrameCompleted(completion); }, videoModes.output, mRuntimeHost && mRuntimeHost->ExternalKeyingEnabled(), initFailureReason))
{
goto error;
}
@@ -144,16 +151,13 @@ bool OpenGLComposite::InitializeVideoIO()
error:
if (!initFailureReason.empty())
MessageBoxA(NULL, initFailureReason.c_str(), "Video I/O initialization failed", MB_OK | MB_ICONERROR);
MessageBoxA(NULL, initFailureReason.c_str(), "DeckLink initialization failed", MB_OK | MB_ICONERROR);
mVideoIO->ReleaseResources();
return false;
}
void OpenGLComposite::paintGL()
{
if (!mVideoIO)
return;
if (!TryEnterCriticalSection(&pMutex))
{
ValidateRect(hGLWnd, NULL);
@@ -183,13 +187,21 @@ void OpenGLComposite::resizeWindow(int width, int height)
void OpenGLComposite::PublishVideoIOStatus(const std::string& statusMessage)
{
if (!mRuntimeHost || !mVideoIO)
if (!mRuntimeHost)
return;
if (!statusMessage.empty())
mVideoIO->SetStatusMessage(statusMessage);
mRuntimeHost->SetVideoIOStatus(mVideoIO->State());
mRuntimeHost->SetVideoIOStatus(
"decklink",
mVideoIO->OutputModelName(),
mVideoIO->SupportsInternalKeying(),
mVideoIO->SupportsExternalKeying(),
mVideoIO->KeyerInterfaceAvailable(),
mRuntimeHost->ExternalKeyingEnabled(),
mVideoIO->ExternalKeyingActive(),
mVideoIO->StatusMessage());
}
bool OpenGLComposite::InitOpenGLState()