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This commit is contained in:
Aiden
2026-05-03 11:59:00 +10:00
parent ea9f608f55
commit 44ed901e9a
6 changed files with 140 additions and 5 deletions
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118
apps/LoopThroughWithOpenGLCompositing/OpenGLComposite.cpp
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@@ -45,6 +45,7 @@
#include <algorithm>
#include <cstdint>
#include <cstring>
#include <cctype>
#include <wincodec.h>
#include <set>
#include <sstream>
@@ -61,7 +62,6 @@ constexpr GLuint kDecodedVideoTextureUnit = 1;
constexpr GLuint kSourceHistoryTextureUnitBase = 2;
constexpr GLuint kPackedVideoTextureUnit = 2;
constexpr GLuint kGlobalParamsBindingPoint = 0;
const char* kDisplayModeName = "1080p59.94";
const char* kVertexShaderSource =
"#version 430 core\n"
"out vec2 vTexCoord;\n"
@@ -106,6 +106,91 @@ void CopyErrorMessage(const std::string& message, int errorMessageSize, char* er
strncpy_s(errorMessage, errorMessageSize, message.c_str(), _TRUNCATE);
}
std::string NormalizeModeToken(const std::string& value)
{
std::string normalized;
for (unsigned char ch : value)
{
if (std::isalnum(ch))
normalized.push_back(static_cast<char>(std::tolower(ch)));
}
return normalized;
}
bool ResolveConfiguredDisplayMode(const std::string& videoFormat, const std::string& frameRate, BMDDisplayMode& displayMode, std::string& displayModeName)
{
const std::string formatToken = NormalizeModeToken(videoFormat);
const std::string frameToken = NormalizeModeToken(frameRate);
const std::string combinedToken = formatToken + frameToken;
struct ModeOption
{
const char* token;
BMDDisplayMode mode;
const char* displayName;
};
static const ModeOption options[] =
{
{ "720p50", bmdModeHD720p50, "720p50" },
{ "hd720p50", bmdModeHD720p50, "720p50" },
{ "720p5994", bmdModeHD720p5994, "720p59.94" },
{ "hd720p5994", bmdModeHD720p5994, "720p59.94" },
{ "720p60", bmdModeHD720p60, "720p60" },
{ "hd720p60", bmdModeHD720p60, "720p60" },
{ "1080i50", bmdModeHD1080i50, "1080i50" },
{ "hd1080i50", bmdModeHD1080i50, "1080i50" },
{ "1080i5994", bmdModeHD1080i5994, "1080i59.94" },
{ "hd1080i5994", bmdModeHD1080i5994, "1080i59.94" },
{ "1080i60", bmdModeHD1080i6000, "1080i60" },
{ "hd1080i60", bmdModeHD1080i6000, "1080i60" },
{ "1080p2398", bmdModeHD1080p2398, "1080p23.98" },
{ "hd1080p2398", bmdModeHD1080p2398, "1080p23.98" },
{ "1080p24", bmdModeHD1080p24, "1080p24" },
{ "hd1080p24", bmdModeHD1080p24, "1080p24" },
{ "1080p25", bmdModeHD1080p25, "1080p25" },
{ "hd1080p25", bmdModeHD1080p25, "1080p25" },
{ "1080p2997", bmdModeHD1080p2997, "1080p29.97" },
{ "hd1080p2997", bmdModeHD1080p2997, "1080p29.97" },
{ "1080p30", bmdModeHD1080p30, "1080p30" },
{ "hd1080p30", bmdModeHD1080p30, "1080p30" },
{ "1080p50", bmdModeHD1080p50, "1080p50" },
{ "hd1080p50", bmdModeHD1080p50, "1080p50" },
{ "1080p5994", bmdModeHD1080p5994, "1080p59.94" },
{ "hd1080p5994", bmdModeHD1080p5994, "1080p59.94" },
{ "1080p60", bmdModeHD1080p6000, "1080p60" },
{ "hd1080p60", bmdModeHD1080p6000, "1080p60" },
{ "2160p2398", bmdMode4K2160p2398, "2160p23.98" },
{ "4k2160p2398", bmdMode4K2160p2398, "2160p23.98" },
{ "2160p24", bmdMode4K2160p24, "2160p24" },
{ "4k2160p24", bmdMode4K2160p24, "2160p24" },
{ "2160p25", bmdMode4K2160p25, "2160p25" },
{ "4k2160p25", bmdMode4K2160p25, "2160p25" },
{ "2160p2997", bmdMode4K2160p2997, "2160p29.97" },
{ "4k2160p2997", bmdMode4K2160p2997, "2160p29.97" },
{ "2160p30", bmdMode4K2160p30, "2160p30" },
{ "4k2160p30", bmdMode4K2160p30, "2160p30" },
{ "2160p50", bmdMode4K2160p50, "2160p50" },
{ "4k2160p50", bmdMode4K2160p50, "2160p50" },
{ "2160p5994", bmdMode4K2160p5994, "2160p59.94" },
{ "4k2160p5994", bmdMode4K2160p5994, "2160p59.94" },
{ "2160p60", bmdMode4K2160p60, "2160p60" },
{ "4k2160p60", bmdMode4K2160p60, "2160p60" }
};
for (const ModeOption& option : options)
{
if (combinedToken == option.token || (frameToken.empty() && formatToken == option.token))
{
displayMode = option.mode;
displayModeName = option.displayName;
return true;
}
}
return false;
}
class ScopedGlShader
{
public:
@@ -210,6 +295,7 @@ OpenGLComposite::OpenGLComposite(HWND hWnd, HDC hDC, HGLRC hRC) :
mDLInput(NULL), mDLOutput(NULL), mDLKeyer(NULL),
mPlayoutAllocator(NULL),
mFrameWidth(0), mFrameHeight(0),
mDisplayModeName("1080p59.94"),
mHasNoInputSource(true),
mDeckLinkSupportsInternalKeying(false),
mDeckLinkSupportsExternalKeying(false),
@@ -340,9 +426,32 @@ bool OpenGLComposite::InitDeckLink()
IDeckLinkDisplayModeIterator* pDLDisplayModeIterator = NULL;
IDeckLinkDisplayMode* pDLDisplayMode = NULL;
BMDDisplayMode displayMode = bmdModeHD1080p5994; // mode to use for capture and playout
std::string displayModeName = "1080p59.94";
int outputFrameRowBytes;
HRESULT result;
if (mRuntimeHost && mRuntimeHost->GetRepoRoot().empty())
{
std::string runtimeError;
if (!mRuntimeHost->Initialize(runtimeError))
{
MessageBoxA(NULL, runtimeError.c_str(), "Runtime host failed to initialize", MB_OK);
return false;
}
}
if (mRuntimeHost)
{
if (!ResolveConfiguredDisplayMode(mRuntimeHost->GetVideoFormat(), mRuntimeHost->GetFrameRate(), displayMode, displayModeName))
{
const std::string error = "Unsupported DeckLink video format/frameRate in config/runtime-host.json: " +
mRuntimeHost->GetVideoFormat() + " / " + mRuntimeHost->GetFrameRate();
MessageBoxA(NULL, error.c_str(), "DeckLink mode configuration error", MB_OK);
return false;
}
}
mDisplayModeName = displayModeName;
result = CoCreateInstance(CLSID_CDeckLinkIterator, NULL, CLSCTX_ALL, IID_IDeckLinkIterator, (void**)&pDLIterator);
if (FAILED(result))
{
@@ -444,7 +553,8 @@ bool OpenGLComposite::InitDeckLink()
if (pDLDisplayMode == NULL)
{
MessageBox(NULL, _T("Cannot get specified BMDDisplayMode."), _T("DeckLink error."), MB_OK);
const std::string error = "Cannot get specified BMDDisplayMode for configured mode: " + displayModeName;
MessageBoxA(NULL, error.c_str(), "DeckLink error.", MB_OK);
goto error;
}
@@ -697,7 +807,7 @@ bool OpenGLComposite::InitOpenGLState()
return false;
std::string runtimeError;
if (!mRuntimeHost->Initialize(runtimeError))
if (mRuntimeHost->GetRepoRoot().empty() && !mRuntimeHost->Initialize(runtimeError))
{
MessageBoxA(NULL, runtimeError.c_str(), "Runtime host failed to initialize", MB_OK);
return false;
@@ -867,7 +977,7 @@ void OpenGLComposite::VideoFrameArrived(IDeckLinkVideoInputFrame* inputFrame, bo
{
mHasNoInputSource = hasNoInputSource;
if (mRuntimeHost)
mRuntimeHost->SetSignalStatus(!hasNoInputSource, mFrameWidth, mFrameHeight, kDisplayModeName);
mRuntimeHost->SetSignalStatus(!hasNoInputSource, mFrameWidth, mFrameHeight, mDisplayModeName);
if (mHasNoInputSource)
return; // don't transfer texture when there's no input