AudioProvider *AudioProviderFactory::GetProvider(wxString const& filename) {
provider_creator creator;
AudioProvider *provider = nullptr;
provider = creator.try_create("Dummy audio provider", [&]() { return new DummyAudioProvider(filename); });
// Try a PCM provider first
if (!provider && !OPT_GET("Provider/Audio/PCM/Disable")->GetBool())
provider = creator.try_create("PCM audio provider", [&]() { return CreatePCMAudioProvider(filename); });
if (!provider) {
std::vector<std::string> list = GetClasses(OPT_GET("Audio/Provider")->GetString());
if (list.empty()) throw agi::NoAudioProvidersError("No audio providers are available.", 0);
for (auto const& name : list) {
provider = creator.try_create(name, [&]() { return Create(name, filename); });
if (provider) break;
}
}
if (!provider) {
if (creator.found_audio)
throw agi::AudioProviderOpenError(creator.msg, 0);
if (creator.found_file)
throw agi::AudioDataNotFoundError(creator.msg, 0);
throw agi::FileNotFoundError(from_wx(filename));
}
bool needsCache = provider->NeedsCache();
// Give it a converter if needed
if (provider->GetBytesPerSample() != 2 || provider->GetSampleRate() < 32000 || provider->GetChannels() != 1)
provider = CreateConvertAudioProvider(provider);
// Change provider to RAM/HD cache if needed
int cache = OPT_GET("Audio/Cache/Type")->GetInt();
if (!cache || !needsCache)
return new LockAudioProvider(provider);
DialogProgress progress(wxGetApp().frame, _("Load audio"));
// Convert to RAM
if (cache == 1) return new RAMAudioProvider(provider, &progress);
// Convert to HD
if (cache == 2) return new HDAudioProvider(provider, &progress);
throw agi::AudioCacheOpenError("Unknown caching method", 0);
}
AudioProvider *AudioProviderFactory::GetProvider(wxString const& filename, int cache) {
AudioProvider *provider = 0;
bool found_file = false;
bool found_audio = false;
std::string msg;
if (!OPT_GET("Provider/Audio/PCM/Disable")->GetBool()) {
// Try a PCM provider first
try {
provider = CreatePCMAudioProvider(filename);
LOG_D("audio_provider") << "Using PCM provider";
}
catch (agi::FileNotFoundError const& err) {
msg = "PCM audio provider: " + err.GetMessage() + " not found.\n";
}
catch (agi::AudioOpenError const& err) {
found_file = true;
msg += err.GetChainedMessage() + "\n";
}
}
if (!provider) {
std::vector<std::string> list = GetClasses(OPT_GET("Audio/Provider")->GetString());
if (list.empty()) throw agi::NoAudioProvidersError("No audio providers are available.", 0);
for (size_t i = 0; i < list.size() ; ++i) {
try {
provider = Create(list[i], filename);
if (provider) {
LOG_D("audio_provider") << "Using audio provider: " << list[i];
break;
}
}
catch (agi::FileNotFoundError const& err) {
msg += list[i] + ": " + err.GetMessage() + " not found.\n";
}
catch (agi::AudioDataNotFoundError const& err) {
found_file = true;
msg += list[i] + ": " + err.GetChainedMessage() + "\n";
}
catch (agi::AudioOpenError const& err) {
found_audio = true;
found_file = true;
msg += list[i] + ": " + err.GetChainedMessage() + "\n";
}
}
}
if (!provider) {
if (found_audio)
throw agi::AudioProviderOpenError(msg, 0);
if (found_file)
throw agi::AudioDataNotFoundError(msg, 0);
throw agi::FileNotFoundError(STD_STR(filename));
}
bool needsCache = provider->NeedsCache();
// Give it a converter if needed
if (provider->GetBytesPerSample() != 2 || provider->GetSampleRate() < 32000 || provider->GetChannels() != 1)
provider = CreateConvertAudioProvider(provider);
// Change provider to RAM/HD cache if needed
if (cache == -1) cache = OPT_GET("Audio/Cache/Type")->GetInt();
if (!cache || !needsCache) {
return new LockAudioProvider(provider);
}
DialogProgress progress(wxGetApp().frame, _("Load audio"));
// Convert to RAM
if (cache == 1) return new RAMAudioProvider(provider, &progress);
// Convert to HD
if (cache == 2) return new HDAudioProvider(provider, &progress);
throw agi::AudioCacheOpenError("Unknown caching method", 0);
}