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Modernize atomics

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- Based on C++11's `atomic`
- Reworked `SafeRefCount` (based on the rewrite by @hpvb)
- Replaced free atomic functions by the new `SafeNumeric<T>`
- Replaced wrong cases of `volatile bool` by the new `SafeFlag`
- Platform-specific implementations no longer needed

Co-authored-by: Hein-Pieter van Braam-Stewart <hp@tmm.cx>
This commit is contained in:
Pedro J. Estébanez 2021-02-10 19:22:13 +01:00
parent 8870f43d74
commit 8e128726f0
58 changed files with 650 additions and 639 deletions
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8
servers/audio/effects/audio_effect_capture.cpp
View file

@ -106,7 +106,7 @@ int AudioEffectCapture::get_frames_available() const {
}
int64_t AudioEffectCapture::get_discarded_frames() const {
return discarded_frames;
return discarded_frames.get();
}
int AudioEffectCapture::get_buffer_length_frames() const {
@ -115,7 +115,7 @@ int AudioEffectCapture::get_buffer_length_frames() const {
}
int64_t AudioEffectCapture::get_pushed_frames() const {
return pushed_frames;
return pushed_frames.get();
}
void AudioEffectCaptureInstance::process(const AudioFrame *p_src_frames, AudioFrame *p_dst_frames, int p_frame_count) {
@ -129,9 +129,9 @@ void AudioEffectCaptureInstance::process(const AudioFrame *p_src_frames, AudioFr
// Add incoming audio frames to the IO ring buffer
int32_t ret = buffer.write(p_src_frames, p_frame_count);
ERR_FAIL_COND_MSG(ret != p_frame_count, "Failed to add data to effect capture ring buffer despite sufficient space.");
atomic_add(&base->pushed_frames, p_frame_count);
base->pushed_frames.add(p_frame_count);
} else {
atomic_add(&base->discarded_frames, p_frame_count);
base->discarded_frames.add(p_frame_count);
}
}

4
servers/audio/effects/audio_effect_capture.h
View file

@ -55,8 +55,8 @@ class AudioEffectCapture : public AudioEffect {
friend class AudioEffectCaptureInstance;
RingBuffer<AudioFrame> buffer;
uint64_t discarded_frames = 0;
uint64_t pushed_frames = 0;
SafeNumeric<uint64_t> discarded_frames;
SafeNumeric<uint64_t> pushed_frames;
float buffer_length_seconds = 0.1f;
bool buffer_initialized = false;