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Add API for reporting submix sample rate and format

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This commit is contained in:
Jack Andersen 2016-05-13 18:47:31 -10:00
parent 4a74a0ad7c
commit 89b0fa5cd6
3 changed files with 34 additions and 3 deletions
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13
include/boo/audiodev/IAudioSubmix.hpp
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@ -12,6 +12,13 @@ class IAudioVoiceCallback;
struct ChannelMap; struct ChannelMap;
struct IAudioSubmixCallback; struct IAudioSubmixCallback;
enum class SubmixFormat
{
Int16,
Int32,
Float
};
struct IAudioSubmix struct IAudioSubmix
{ {
virtual ~IAudioSubmix() = default; virtual ~IAudioSubmix() = default;
@ -31,6 +38,12 @@ struct IAudioSubmix
/** Sets gain factors for each channel once accumulated by the submix */ /** Sets gain factors for each channel once accumulated by the submix */
virtual void setChannelGains(const float gains[8])=0; virtual void setChannelGains(const float gains[8])=0;
/** Gets fixed sample rate of submix this way */
virtual double getSampleRate() const=0;
/** Gets fixed sample format of submix this way */
virtual SubmixFormat getSampleFormat() const=0;
}; };
struct IAudioSubmixCallback struct IAudioSubmixCallback

19
lib/audiodev/AudioSubmix.cpp
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@ -178,4 +178,23 @@ const AudioVoiceEngineMixInfo& AudioSubmix::mixInfo() const
return m_parent.mixInfo(); return m_parent.mixInfo();
} }
double AudioSubmix::getSampleRate() const
{
return mixInfo().m_sampleRate;
}
SubmixFormat AudioSubmix::getSampleFormat() const
{
switch (mixInfo().m_sampleFormat)
{
case SOXR_INT16_I:
default:
return SubmixFormat::Int16;
case SOXR_INT32_I:
return SubmixFormat::Int32;
case SOXR_FLOAT32_I:
return SubmixFormat::Float;
}
}
} }

5
lib/audiodev/AudioSubmix.hpp
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@ -61,12 +61,11 @@ public:
bool dynamicPitch=false); bool dynamicPitch=false);
std::unique_ptr<IAudioSubmix> allocateNewSubmix(IAudioSubmixCallback* cb=nullptr); std::unique_ptr<IAudioSubmix> allocateNewSubmix(IAudioSubmixCallback* cb=nullptr);
void setChannelGains(const float gains[8]); void setChannelGains(const float gains[8]);
void unbindSubmix(); void unbindSubmix();
const AudioVoiceEngineMixInfo& mixInfo() const; const AudioVoiceEngineMixInfo& mixInfo() const;
double getSampleRate() const;
SubmixFormat getSampleFormat() const;
}; };
} }