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fan out camera devices

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Green Sky
2024-10-06 21:31:16 +02:00
parent bc0f21175b
commit 8ba8b6322f
3 changed files with 59 additions and 48 deletions
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60
src/main_screen.cpp
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@ -181,21 +181,57 @@ MainScreen::MainScreen(SimpleConfigModel&& conf_, SDL_Renderer* renderer_, Theme
}
if (SDL_InitSubSystem(SDL_INIT_CAMERA)) {
{ // video in
ObjectHandle vsrc {os.registry(), os.registry().create()};
try {
vsrc.emplace<Components::FrameStream2Source<SDLVideoFrame>>(
std::make_unique<SDLVideo2InputDevice>()
);
std::cout << "MS: SDL Camera Driver: " << SDL_GetCurrentCameraDriver() << "\n";
vsrc.emplace<Components::StreamSource>(Components::StreamSource::create<SDLVideoFrame>("SDL Video Default Recording Device"));
vsrc.emplace<Components::TagDefaultTarget>();
int devcount {0};
SDL_CameraID *devices = SDL_GetCameras(&devcount);
os.throwEventConstruct(vsrc);
} catch (...) {
std::cerr << "MS error: failed constructing default video input source\n";
os.registry().destroy(vsrc);
std::cout << "MS: found cameras:\n";
if (devices != nullptr) {
ObjectHandle last_src{};
for (int i = 0; i < devcount; i++) {
const SDL_CameraID device = devices[i];
const char *name = SDL_GetCameraName(device);
std::cout << " - Camera #" << i << ": " << name << "\n";
int speccount {0};
SDL_CameraSpec** specs = SDL_GetCameraSupportedFormats(device, &speccount);
if (specs == nullptr) {
std::cout << " - no supported spec\n";
} else {
for (int spec_i = 0; spec_i < speccount; spec_i++) {
std::cout << " - " << specs[spec_i]->width << "x" << specs[spec_i]->height << "@" << float(specs[spec_i]->framerate_numerator)/specs[spec_i]->framerate_denominator << "fps " << SDL_GetPixelFormatName(specs[spec_i]->format) << "\n";
}
SDL_free(specs);
// create sink for device
ObjectHandle vsrc {os.registry(), os.registry().create()};
try {
vsrc.emplace<Components::FrameStream2Source<SDLVideoFrame>>(
std::make_unique<SDLVideo2InputDevice>(device)
);
vsrc.emplace<Components::StreamSource>(Components::StreamSource::create<SDLVideoFrame>("SDL Video '" + std::string(name) + "'"));
//vsrc.emplace<Components::TagDefaultTarget>();
os.throwEventConstruct(vsrc);
last_src = vsrc;
} catch (...) {
std::cerr << "MS error: failed constructing video input source\n";
os.registry().destroy(vsrc);
}
}
}
//if (static_cast<bool>(last_src)) {
// last_src.emplace<Components::TagDefaultTarget>();
//}
SDL_free(devices);
} else {
std::cout << " none\n";
}
} else {
std::cerr << "MS warning: no sdl camera: " << SDL_GetError() << "\n";