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Update audio example

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This commit is contained in:
Nikita Lisitsa 2022-10-07 11:18:46 +03:00
parent 59f83aec12
commit dba6148554
1 changed files with 23 additions and 1 deletions
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24
examples/audio.cpp
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@ -7,13 +7,17 @@
#include <psemek/audio/effect/volume.hpp>
#include <psemek/audio/effect/fade_in.hpp>
#include <psemek/audio/effect/fade_out.hpp>
#include <psemek/audio/effect/compressor.hpp>
#include <psemek/audio/duplicate.hpp>
#include <psemek/audio/stereo.hpp>
#include <psemek/audio/mixer.hpp>
#include <psemek/app/app.hpp>
#include <psemek/app/main.hpp>
#include <psemek/gfx/painter.hpp>
#include <psemek/util/clock.hpp>
#include <psemek/util/to_string.hpp>
#include <psemek/geom/constants.hpp>
#include <psemek/geom/camera.hpp>
#include <map>
@ -64,7 +68,7 @@ struct audio_app
{
mixer_ = audio::make_mixer();
volume_control_ = audio::volume_stereo(mixer_, 0.5f, 0.5f, 0.1f);
engine_.output()->stream(volume_control_);
engine_.output()->stream(audio::compressor(volume_control_, audio::from_db(-2.f), 0.95f, 0.002f, 1.f));
}
void on_key_down(SDL_Keycode key) override
@ -101,6 +105,22 @@ struct audio_app
volume_control_->gain_right(0.5f - 0.5f * volume);
}
void present() override
{
gl::ClearColor(0.8f, 0.8f, 1.f, 1.f);
gl::Clear(gl::COLOR_BUFFER_BIT);
{
gfx::painter::text_options opts;
opts.x = gfx::painter::x_align::left;
opts.y = gfx::painter::y_align::top;
opts.scale = 2.f;
opts.c = {0, 0, 0, 255};
}
painter_.render(geom::window_camera{width(), height()}.transform());
}
private:
audio::engine engine_;
audio::mixer_ptr mixer_;
@ -108,6 +128,8 @@ private:
std::map<SDL_Keycode, audio::channel_ptr> channels_;
util::clock<> clock_;
gfx::painter painter_;
};
int main()