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common: Add sync-to-audio support

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This commit is contained in:
Connor McLaughlin
2019-10-11 13:24:41 +10:00
parent f852b8dd90
commit 135e282f8d
2 changed files with 33 additions and 9 deletions
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10
src/common/audio_stream.h
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@ -1,5 +1,6 @@
#pragma once
#include "types.h"
#include <condition_variable>
#include <memory>
#include <mutex>
#include <vector>
@ -25,9 +26,11 @@ public:
u32 GetChannels() const { return m_channels; }
u32 GetBufferSize() const { return m_buffer_size; }
u32 GetBufferCount() const { return static_cast<u32>(m_buffers.size()); }
bool IsSyncing() const { return m_sync; }
bool Reconfigure(u32 output_sample_rate = DefaultOutputSampleRate, u32 channels = 1,
u32 buffer_size = DefaultBufferSize, u32 buffer_count = DefaultBufferCount);
void SetSync(bool enable) { m_sync = enable; }
void PauseOutput(bool paused);
void EmptyBuffers();
@ -60,10 +63,11 @@ private:
};
void AllocateBuffers(u32 buffer_count);
void EnsureBuffer();
void DropBuffer();
std::vector<Buffer> m_buffers;
std::mutex m_buffer_lock;
std::mutex m_buffer_mutex;
// For input.
u32 m_first_free_buffer = 0;
@ -73,5 +77,9 @@ private:
u32 m_num_available_buffers = 0;
u32 m_first_available_buffer = 0;
// TODO: Switch to semaphore
std::condition_variable m_buffer_available_cv;
bool m_output_paused = true;
bool m_sync = true;
};