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-rw-r--r--OpenAL32/alSource.cpp102
1 files changed, 58 insertions, 44 deletions
diff --git a/OpenAL32/alSource.cpp b/OpenAL32/alSource.cpp
index 463d2438..42f05131 100644
--- a/OpenAL32/alSource.cpp
+++ b/OpenAL32/alSource.cpp
@@ -2682,44 +2682,51 @@ AL_API ALvoid AL_APIENTRY alSourcePlayv(ALsizei n, const ALuint *sources)
if(n == 0) return;
std::lock_guard<std::mutex> _{context->SourceLock};
- for(ALsizei i{0};i < n;i++)
- {
- if(!LookupSource(context.get(), sources[i]))
- SETERR_RETURN(context.get(), AL_INVALID_NAME,, "Invalid source ID %u", sources[i]);
- }
+ auto sources_end = sources+n;
+ auto bad_sid = std::find_if_not(sources, sources_end,
+ [&context](ALuint sid) -> bool
+ {
+ ALsource *source{LookupSource(context.get(), sid)};
+ return LIKELY(source != nullptr);
+ }
+ );
+ if(UNLIKELY(bad_sid != sources+n))
+ SETERR_RETURN(context.get(), AL_INVALID_NAME,, "Invalid source ID %u", *bad_sid);
ALCdevice *device{context->Device};
ALCdevice_Lock(device);
/* If the device is disconnected, go right to stopped. */
- if(!device->Connected.load(std::memory_order_acquire))
+ if(UNLIKELY(!device->Connected.load(std::memory_order_acquire)))
{
/* TODO: Send state change event? */
- for(ALsizei i{0};i < n;i++)
- {
- ALsource *source{LookupSource(context.get(), sources[i])};
- source->OffsetType = AL_NONE;
- source->Offset = 0.0;
- source->state = AL_STOPPED;
- }
+ std::for_each(sources, sources_end,
+ [&context](ALuint sid) -> void
+ {
+ ALsource *source{LookupSource(context.get(), sid)};
+ source->OffsetType = AL_NONE;
+ source->Offset = 0.0;
+ source->state = AL_STOPPED;
+ }
+ );
ALCdevice_Unlock(device);
return;
}
while(n > context->MaxVoices-context->VoiceCount.load(std::memory_order_relaxed))
{
- ALsizei newcount = context->MaxVoices << 1;
- if(context->MaxVoices >= newcount)
+ if(UNLIKELY(context->MaxVoices > std::numeric_limits<ALsizei>::max()>>1))
{
ALCdevice_Unlock(device);
SETERR_RETURN(context.get(), AL_OUT_OF_MEMORY,,
- "Overflow increasing voice count %d -> %d", context->MaxVoices, newcount);
+ "Overflow increasing voice count from %d", context->MaxVoices);
}
+ ALsizei newcount = context->MaxVoices << 1;
AllocateVoices(context.get(), newcount, device->NumAuxSends);
}
- for(ALsizei i{0};i < n;i++)
+ auto start_source = [&context,device](ALuint sid) -> void
{
- ALsource *source{LookupSource(context.get(), sources[i])};
+ ALsource *source{LookupSource(context.get(), sid)};
/* Check that there is a queue containing at least one valid, non zero
* length buffer.
*/
@@ -2742,34 +2749,34 @@ AL_API ALvoid AL_APIENTRY alSourcePlayv(ALsizei n, const ALuint *sources)
source->state = AL_STOPPED;
SendStateChangeEvent(context.get(), source->id, AL_STOPPED);
}
- continue;
+ return;
}
ALvoice *voice{GetSourceVoice(source, context.get())};
switch(GetSourceState(source, voice))
{
- case AL_PLAYING:
- assert(voice != nullptr);
- /* A source that's already playing is restarted from the beginning. */
- voice->current_buffer.store(BufferList, std::memory_order_relaxed);
- voice->position.store(0u, std::memory_order_relaxed);
- voice->position_fraction.store(0, std::memory_order_release);
- continue;
-
- case AL_PAUSED:
- assert(voice != nullptr);
- /* A source that's paused simply resumes. */
- voice->Playing.store(true, std::memory_order_release);
- source->state = AL_PLAYING;
- SendStateChangeEvent(context.get(), source->id, AL_PLAYING);
- continue;
-
- default:
- break;
+ case AL_PLAYING:
+ assert(voice != nullptr);
+ /* A source that's already playing is restarted from the beginning. */
+ voice->current_buffer.store(BufferList, std::memory_order_relaxed);
+ voice->position.store(0u, std::memory_order_relaxed);
+ voice->position_fraction.store(0, std::memory_order_release);
+ return;
+
+ case AL_PAUSED:
+ assert(voice != nullptr);
+ /* A source that's paused simply resumes. */
+ voice->Playing.store(true, std::memory_order_release);
+ source->state = AL_PLAYING;
+ SendStateChangeEvent(context.get(), source->id, AL_PLAYING);
+ return;
+
+ default:
+ assert(voice == nullptr);
+ break;
}
/* Look for an unused voice to play this source with. */
- assert(voice == nullptr);
auto voices_end = context->Voices + context->VoiceCount.load(std::memory_order_relaxed);
auto voice_iter = std::find_if(context->Voices, voices_end,
[](const ALvoice *voice) noexcept -> bool
@@ -2821,15 +2828,21 @@ AL_API ALvoid AL_APIENTRY alSourcePlayv(ALsizei n, const ALuint *sources)
voice->Flags = start_fading ? VOICE_IS_FADING : 0;
if(source->SourceType == AL_STATIC) voice->Flags |= VOICE_IS_STATIC;
- memset(voice->Direct.Params, 0, sizeof(voice->Direct.Params[0])*voice->NumChannels);
- for(ALsizei j{0};j < device->NumAuxSends;j++)
- memset(voice->Send[j].Params, 0, sizeof(voice->Send[j].Params[0])*voice->NumChannels);
+
+ std::fill_n(std::begin(voice->Direct.Params), voice->NumChannels, DirectParams{});
+ std::for_each(voice->Send+0, voice->Send+source->Send.size(),
+ [voice](ALvoice::SendData &send) -> void
+ { std::fill_n(std::begin(send.Params), voice->NumChannels, SendParams{}); }
+ );
+
if(device->AvgSpeakerDist > 0.0f)
{
ALfloat w1 = SPEEDOFSOUNDMETRESPERSEC /
(device->AvgSpeakerDist * device->Frequency);
- for(ALsizei j{0};j < voice->NumChannels;j++)
- NfcFilterCreate(&voice->Direct.Params[j].NFCtrlFilter, 0.0f, w1);
+ std::for_each(voice->Direct.Params+0, voice->Direct.Params+voice->NumChannels,
+ [w1](DirectParams &parms) -> void
+ { NfcFilterCreate(&parms.NFCtrlFilter, 0.0f, w1); }
+ );
}
voice->SourceID.store(source->id, std::memory_order_relaxed);
@@ -2838,7 +2851,8 @@ AL_API ALvoid AL_APIENTRY alSourcePlayv(ALsizei n, const ALuint *sources)
source->VoiceIdx = vidx;
SendStateChangeEvent(context.get(), source->id, AL_PLAYING);
- }
+ };
+ std::for_each(sources, sources_end, start_source);
ALCdevice_Unlock(device);
}