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Fix AudioEffectRecord circular reference

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This commit is contained in:
Wilson E. Alvarez 2023-03-16 10:30:43 -04:00
parent 764193629f
commit d19c376d2e
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GPG key ID: A32174A3D2ED3F9E
2 changed files with 20 additions and 26 deletions
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39
servers/audio/effects/audio_effect_record.cpp
View file

@ -72,13 +72,7 @@ bool AudioEffectRecordInstance::process_silence() const {
void AudioEffectRecordInstance::_io_thread_process() {
while (is_recording) {
//Check: The current recording has been requested to stop
if (!base->recording_active) {
is_recording = false;
}
_update_buffer();
if (is_recording) {
//Wait to avoid too much busy-wait
OS::get_singleton()->delay_usec(500);
@ -120,19 +114,15 @@ void AudioEffectRecordInstance::init() {
}
void AudioEffectRecordInstance::finish() {
is_recording = false;
if (io_thread.is_started()) {
io_thread.wait_to_finish();
}
}
AudioEffectRecordInstance::~AudioEffectRecordInstance() {
finish();
}
Ref<AudioEffectInstance> AudioEffectRecord::instantiate() {
Ref<AudioEffectRecordInstance> ins;
ins.instantiate();
ins->base = Ref<AudioEffectRecord>(this);
ins->is_recording = false;
//Re-using the buffer size calculations from audio_effect_delay.cpp
@ -158,16 +148,19 @@ Ref<AudioEffectInstance> AudioEffectRecord::instantiate() {
ins->ring_buffer_read_pos = 0;
ensure_thread_stopped();
current_instance = ins;
if (recording_active) {
bool is_currently_recording = false;
if (current_instance != nullptr) {
is_currently_recording = current_instance->is_recording;
}
if (is_currently_recording) {
ins->init();
}
current_instance = ins;
return ins;
}
void AudioEffectRecord::ensure_thread_stopped() {
recording_active = false;
if (current_instance != nullptr) {
current_instance->finish();
}
@ -177,20 +170,23 @@ void AudioEffectRecord::set_recording_active(bool p_record) {
if (p_record) {
if (current_instance == nullptr) {
WARN_PRINT("Recording should not be set as active before Godot has initialized.");
recording_active = false;
return;
}
ensure_thread_stopped();
recording_active = true;
current_instance->init();
} else {
recording_active = false;
if (current_instance != nullptr) {
current_instance->is_recording = false;
}
}
}
bool AudioEffectRecord::is_recording_active() const {
return recording_active;
if (current_instance == nullptr) {
return false;
} else {
return current_instance->is_recording;
}
}
void AudioEffectRecord::set_format(AudioStreamWAV::Format p_format) {
@ -292,5 +288,8 @@ void AudioEffectRecord::_bind_methods() {
AudioEffectRecord::AudioEffectRecord() {
format = AudioStreamWAV::FORMAT_16_BITS;
recording_active = false;
}
AudioEffectRecord::~AudioEffectRecord() {
ensure_thread_stopped();
}

7
servers/audio/effects/audio_effect_record.h
View file

@ -44,7 +44,6 @@ class AudioEffectRecord;
class AudioEffectRecordInstance : public AudioEffectInstance {
GDCLASS(AudioEffectRecordInstance, AudioEffectInstance);
friend class AudioEffectRecord;
Ref<AudioEffectRecord> base;
bool is_recording;
Thread io_thread;
@ -68,9 +67,6 @@ public:
void finish();
virtual void process(const AudioFrame *p_src_frames, AudioFrame *p_dst_frames, int p_frame_count) override;
virtual bool process_silence() const override;
AudioEffectRecordInstance() {}
~AudioEffectRecordInstance();
};
class AudioEffectRecord : public AudioEffect {
@ -82,7 +78,6 @@ class AudioEffectRecord : public AudioEffect {
IO_BUFFER_SIZE_MS = 1500
};
bool recording_active;
Ref<AudioEffectRecordInstance> current_instance;
AudioStreamWAV::Format format;
@ -99,8 +94,8 @@ public:
void set_format(AudioStreamWAV::Format p_format);
AudioStreamWAV::Format get_format() const;
Ref<AudioStreamWAV> get_recording() const;
AudioEffectRecord();
~AudioEffectRecord();
};
#endif // AUDIO_EFFECT_RECORD_H