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Add audio callback profiling

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This commit is contained in:
Nikita Lisitsa 2022-10-07 15:28:30 +03:00
parent a80487abbc
commit 81fabbbf02
3 changed files with 11 additions and 1 deletions
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6
examples/audio.cpp
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@ -18,6 +18,7 @@
#include <psemek/util/to_string.hpp>
#include <psemek/geom/constants.hpp>
#include <psemek/geom/camera.hpp>
#include <psemek/prof/profiler.hpp>
#include <map>
@ -121,6 +122,11 @@ struct audio_app
painter_.render(geom::window_camera{width(), height()}.transform());
}
void on_scene_exit() override
{
prof::dump();
}
private:
audio::engine engine_;
audio::mixer_ptr mixer_;

2
libs/audio/CMakeLists.txt
View file

@ -5,4 +5,4 @@ file(GLOB_RECURSE PSEMEK_AUDIO_SOURCES RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}" "s
psemek_add_library(psemek-audio ${PSEMEK_AUDIO_HEADERS} ${PSEMEK_AUDIO_SOURCES})
target_include_directories(psemek-audio PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/include")
target_link_libraries(psemek-audio PUBLIC psemek-sdl2 psemek-geom psemek-util psemek-log SDL2_mixer)
target_link_libraries(psemek-audio PUBLIC psemek-sdl2 psemek-geom psemek-util psemek-log psemek-prof SDL2_mixer)

4
libs/audio/source/engine.cpp
View file

@ -2,6 +2,7 @@
#include <psemek/audio/constants.hpp>
#include <psemek/sdl2/init.hpp>
#include <psemek/log/log.hpp>
#include <psemek/prof/profiler.hpp>
#include <SDL2/SDL.h>
@ -60,6 +61,9 @@ namespace psemek::audio
void engine::impl::callback(void * userdata, std::uint8_t * dst_u8, int len)
{
static std::string const profiler_str = "audio";
prof::profiler prof(profiler_str);
auto self = static_cast<impl *>(userdata);
stream_ptr output = self->output->stream();
std::int16_t * dst = reinterpret_cast<std::int16_t *>(dst_u8);