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audren: Make use of nodiscard, rework downmixing, release all buffers

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Preliminary work for upmixing & general cleanup. Fixes basic issues in games such as Shovel Knight and slightly improves the LEGO games. Upmixing stitll needs to be implemented.

Audio levels in a few games will be fixed as we now use the downmix coefficients when possible instead of supplying our own
This commit is contained in:
Chloe Marcec 2020-11-17 14:14:29 +11:00
parent 87f220efff
commit 9a4beac95a
13 changed files with 194 additions and 102 deletions
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21
src/audio_core/stream.h
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@ -57,37 +57,40 @@ public:
bool QueueBuffer(BufferPtr&& buffer);
/// Returns true if the audio stream contains a buffer with the specified tag
bool ContainsBuffer(Buffer::Tag tag) const;
[[nodiscard]] bool ContainsBuffer(Buffer::Tag tag) const;
/// Returns a vector of recently released buffers specified by tag
std::vector<Buffer::Tag> GetTagsAndReleaseBuffers(std::size_t max_count);
[[nodiscard]] std::vector<Buffer::Tag> GetTagsAndReleaseBuffers(std::size_t max_count);
/// Returns a vector of all recently released buffers specified by tag
[[nodiscard]] std::vector<Buffer::Tag> GetTagsAndReleaseBuffers();
void SetVolume(float volume);
float GetVolume() const {
[[nodiscard]] float GetVolume() const {
return game_volume;
}
/// Returns true if the stream is currently playing
bool IsPlaying() const {
[[nodiscard]] bool IsPlaying() const {
return state == State::Playing;
}
/// Returns the number of queued buffers
std::size_t GetQueueSize() const {
[[nodiscard]] std::size_t GetQueueSize() const {
return queued_buffers.size();
}
/// Gets the sample rate
u32 GetSampleRate() const {
[[nodiscard]] u32 GetSampleRate() const {
return sample_rate;
}
/// Gets the number of channels
u32 GetNumChannels() const;
[[nodiscard]] u32 GetNumChannels() const;
/// Get the state
State GetState() const;
[[nodiscard]] State GetState() const;
private:
/// Plays the next queued buffer in the audio stream, starting playback if necessary
@ -97,7 +100,7 @@ private:
void ReleaseActiveBuffer(std::chrono::nanoseconds ns_late = {});
/// Gets the number of core cycles when the specified buffer will be released
std::chrono::nanoseconds GetBufferReleaseNS(const Buffer& buffer) const;
[[nodiscard]] std::chrono::nanoseconds GetBufferReleaseNS(const Buffer& buffer) const;
u32 sample_rate; ///< Sample rate of the stream
Format format; ///< Format of the stream