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Pre-test opening a stream for audio backends, fall back to null if not suitable.

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This commit is contained in:
Kelebek1 2023-08-23 07:14:40 +01:00
parent bc4ad5e62d
commit 39c8ddcda2
5 changed files with 117 additions and 38 deletions
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40
src/audio_core/sink/sdl2_sink.cpp
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@ -9,6 +9,7 @@
#include "audio_core/sink/sdl2_sink.h"
#include "audio_core/sink/sink_stream.h"
#include "common/logging/log.h"
#include "common/scope_exit.h"
#include "core/core.h"
namespace AudioCore::Sink {
@ -84,6 +85,7 @@ public:
}
Stop();
SDL_ClearQueuedAudio(device);
SDL_CloseAudioDevice(device);
}
@ -227,8 +229,42 @@ std::vector<std::string> ListSDLSinkDevices(bool capture) {
return device_list;
}
u32 GetSDLLatency() {
return TargetSampleCount * 2;
bool IsSDLSuitable() {
#if !defined(HAVE_SDL2)
return false;
#else
// Check SDL can init
if (!SDL_WasInit(SDL_INIT_AUDIO)) {
if (SDL_InitSubSystem(SDL_INIT_AUDIO) < 0) {
LOG_ERROR(Audio_Sink, "SDL failed to init, it is not suitable. Error: {}",
SDL_GetError());
return false;
}
}
// We can set any latency frequency we want with SDL, so no need to check that.
// Check we can open a device with standard parameters
SDL_AudioSpec spec;
spec.freq = TargetSampleRate;
spec.channels = 2u;
spec.format = AUDIO_S16SYS;
spec.samples = TargetSampleCount * 2;
spec.callback = nullptr;
spec.userdata = nullptr;
SDL_AudioSpec obtained;
auto device = SDL_OpenAudioDevice(nullptr, false, &spec, &obtained, false);
if (device == 0) {
LOG_ERROR(Audio_Sink, "SDL failed to open a device, it is not suitable. Error: {}",
SDL_GetError());
return false;
}
SDL_CloseAudioDevice(device);
return true;
#endif
}
} // namespace AudioCore::Sink