itsmattkc
16f4ec8468
For accuracy, whenever we need to perform an audio resample, we need to do it in advance. This is in a process called "conforming" and this commit introduces the framework by which the decoder can automatically conform an audio stream to arbitrary parameters for accurate rendering.
50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
#ifndef AUDIOPARAMS_H
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#define AUDIOPARAMS_H
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#include <QtMath>
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#include "audio/sampleformat.h"
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#include "common/rational.h"
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class AudioParams
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{
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public:
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AudioParams();
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AudioParams(const int& sample_rate, const uint64_t& channel_layout);
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const int& sample_rate() const;
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const uint64_t& channel_layout() const;
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private:
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int sample_rate_;
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uint64_t channel_layout_;
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};
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class AudioRenderingParams : public AudioParams {
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public:
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AudioRenderingParams();
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AudioRenderingParams(const int& sample_rate, const uint64_t& channel_layout, const SampleFormat& format);
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AudioRenderingParams(const AudioParams& params, const SampleFormat& format);
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int time_to_bytes(const rational& time) const;
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int time_to_samples(const rational& time) const;
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int samples_to_bytes(const int& samples) const;
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int bytes_to_samples(const int &bytes) const;
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int channel_count() const;
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int bytes_per_sample_per_channel() const;
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int bits_per_sample() const;
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bool is_valid() const;
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const SampleFormat& format() const;
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bool operator==(const AudioRenderingParams& other);
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bool operator!=(const AudioRenderingParams& other);
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private:
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SampleFormat format_;
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};
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#endif // AUDIOPARAMS_H
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