pcm/PcmMix: use the SampleTraits library for MixRamp
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@ -123,30 +123,37 @@ pcm_add_vol(void *buffer1, const void *buffer2, size_t size,
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gcc_unreachable();
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}
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template<typename T, typename U, unsigned bits>
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static T
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PcmAdd(T _a, T _b)
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template<SampleFormat F, class Traits=SampleTraits<F>>
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static typename Traits::value_type
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PcmAdd(typename Traits::value_type _a, typename Traits::value_type _b)
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{
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U a(_a), b(_b);
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return PcmClamp<T, U, bits>(a + b);
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typename Traits::long_type a(_a), b(_b);
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return PcmClamp<typename Traits::value_type,
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typename Traits::long_type,
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Traits::BITS>(a + b);
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}
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template<typename T, typename U, unsigned bits>
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template<SampleFormat F, class Traits=SampleTraits<F>>
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static void
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PcmAdd(T *a, const T *b, unsigned n)
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PcmAdd(typename Traits::pointer_type a,
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typename Traits::const_pointer_type b,
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size_t n)
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{
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for (size_t i = 0; i != n; ++i)
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a[i] = PcmAdd<T, U, bits>(a[i], b[i]);
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a[i] = PcmAdd<F, Traits>(a[i], b[i]);
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}
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template<typename T, typename U, unsigned bits>
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template<SampleFormat F, class Traits=SampleTraits<F>>
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static void
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PcmAddVoid(void *a, const void *b, size_t size)
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{
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constexpr size_t sample_size = sizeof(T);
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constexpr size_t sample_size = Traits::SAMPLE_SIZE;
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assert(size % sample_size == 0);
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PcmAdd<T, U, bits>((T *)a, (const T *)b, size / sample_size);
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PcmAdd<F, Traits>(typename Traits::pointer_type(a),
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typename Traits::const_pointer_type(b),
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size / sample_size);
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}
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static void
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@ -171,19 +178,19 @@ pcm_add(void *buffer1, const void *buffer2, size_t size,
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return false;
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case SampleFormat::S8:
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PcmAddVoid<int8_t, int32_t, 8>(buffer1, buffer2, size);
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PcmAddVoid<SampleFormat::S8>(buffer1, buffer2, size);
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return true;
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case SampleFormat::S16:
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PcmAddVoid<int16_t, int32_t, 16>(buffer1, buffer2, size);
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PcmAddVoid<SampleFormat::S16>(buffer1, buffer2, size);
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return true;
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case SampleFormat::S24_P32:
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PcmAddVoid<int32_t, int64_t, 24>(buffer1, buffer2, size);
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PcmAddVoid<SampleFormat::S24_P32>(buffer1, buffer2, size);
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return true;
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case SampleFormat::S32:
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PcmAddVoid<int32_t, int64_t, 32>(buffer1, buffer2, size);
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PcmAddVoid<SampleFormat::S32>(buffer1, buffer2, size);
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return true;
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case SampleFormat::FLOAT:
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