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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#if defined AVI_CAPTURING
#include "AviVideoCapturing.h"
#include "Rendering/AVIGenerator.h"
#include "Rendering/GlobalRendering.h"
#include "Sim/Misc/GlobalConstants.h"
#include "System/Log/ILog.h"
#include "System/SafeUtil.h"
#include "System/StringUtil.h"
#include "System/FileSystem/FileHandler.h"
#include "lib/streflop/streflop_cond.h"
#include <SDL_mouse.h>
#include <SDL_events.h>
#include <string>
void AviVideoCapturing::StopCapturing()
{
if (!IsCapturing())
return;
capturing = false;
allowRecord = false;
spring::SafeDelete(aviGenerator);
}
void AviVideoCapturing::StartCapturing()
{
if (allowRecord) {
LOG_L(L_WARNING, "Video capturing is already running.");
return;
}
// Find a file to capture to
std::string fileName;
constexpr size_t MAX_NUM_VIDEOS = 1000;
size_t vi;
for (vi = 0; vi < MAX_NUM_VIDEOS; ++vi) {
if (!CFileHandler::FileExists(fileName = std::string("video") + IntToString(vi) + ".avi", SPRING_VFS_RAW))
break;
}
if (vi == MAX_NUM_VIDEOS) {
LOG_L(L_ERROR, "You have too many videos on disc already, please move, rename or delete some.");
LOG_L(L_ERROR, "Not creating video!");
return;
}
capturing = true;
allowRecord = true;
const int videoSizeX = (globalRendering->viewSizeX / 4) * 4;
const int videoSizeY = (globalRendering->viewSizeY / 4) * 4;
aviGenerator = new CAVIGenerator(fileName, videoSizeX, videoSizeY, 30);
const int savedCursorMode = SDL_ShowCursor(SDL_QUERY);
SDL_ShowCursor(SDL_ENABLE);
if (!aviGenerator->InitEngine()) {
capturing = false;
allowRecord = false;
LOG_L(L_ERROR, "%s", aviGenerator->GetLastErrorMessage().c_str());
spring::SafeDelete(aviGenerator);
} else {
LOG("Recording avi to %s size %i x %i", fileName.c_str(), videoSizeX, videoSizeY);
}
SDL_ShowCursor(savedCursorMode);
//aviGenerator->InitEngine() (avicap32.dll)? modifies the FPU control word.
//Setting it back to default state.
streflop::streflop_init<streflop::Simple>();
}
void AviVideoCapturing::RenderFrame()
{
if (!IsCapturing())
return;
if (aviGenerator->readOpenglPixelDataThreaded())
return;
StopCapturing();
}
#endif // defined AVI_CAPTURING
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