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| author | Max Kellermann <max@duempel.org> | 2013-12-01 22:49:50 +0100 |
|---|---|---|
| committer | Max Kellermann <max@duempel.org> | 2013-12-01 22:49:50 +0100 |
| commit | 023482406f9b508e69e6633df4c438903e58c253 (patch) | |
| tree | 3287d860242469f060d9d503c27db3ad3a5df64d /src/pcm/PcmMix.cxx | |
| parent | 04ba40981f559a1847403f4ef2975cd7c50761ff (diff) | |
| download | mpd-023482406f9b508e69e6633df4c438903e58c253.tar.gz mpd-023482406f9b508e69e6633df4c438903e58c253.tar.xz mpd-023482406f9b508e69e6633df4c438903e58c253.zip | |
pcm/PcmMix: use the SampleTraits library for MixRamp
Diffstat (limited to 'src/pcm/PcmMix.cxx')
| -rw-r--r-- | src/pcm/PcmMix.cxx | 37 |
1 files changed, 22 insertions, 15 deletions
diff --git a/src/pcm/PcmMix.cxx b/src/pcm/PcmMix.cxx index d7183f01d..d0c20d301 100644 --- a/src/pcm/PcmMix.cxx +++ b/src/pcm/PcmMix.cxx @@ -123,30 +123,37 @@ pcm_add_vol(void *buffer1, const void *buffer2, size_t size, gcc_unreachable(); } -template<typename T, typename U, unsigned bits> -static T -PcmAdd(T _a, T _b) +template<SampleFormat F, class Traits=SampleTraits<F>> +static typename Traits::value_type +PcmAdd(typename Traits::value_type _a, typename Traits::value_type _b) { - U a(_a), b(_b); - return PcmClamp<T, U, bits>(a + b); + typename Traits::long_type a(_a), b(_b); + + return PcmClamp<typename Traits::value_type, + typename Traits::long_type, + Traits::BITS>(a + b); } -template<typename T, typename U, unsigned bits> +template<SampleFormat F, class Traits=SampleTraits<F>> static void -PcmAdd(T *a, const T *b, unsigned n) +PcmAdd(typename Traits::pointer_type a, + typename Traits::const_pointer_type b, + size_t n) { for (size_t i = 0; i != n; ++i) - a[i] = PcmAdd<T, U, bits>(a[i], b[i]); + a[i] = PcmAdd<F, Traits>(a[i], b[i]); } -template<typename T, typename U, unsigned bits> +template<SampleFormat F, class Traits=SampleTraits<F>> static void PcmAddVoid(void *a, const void *b, size_t size) { - constexpr size_t sample_size = sizeof(T); + constexpr size_t sample_size = Traits::SAMPLE_SIZE; assert(size % sample_size == 0); - PcmAdd<T, U, bits>((T *)a, (const T *)b, size / sample_size); + PcmAdd<F, Traits>(typename Traits::pointer_type(a), + typename Traits::const_pointer_type(b), + size / sample_size); } static void @@ -171,19 +178,19 @@ pcm_add(void *buffer1, const void *buffer2, size_t size, return false; case SampleFormat::S8: - PcmAddVoid<int8_t, int32_t, 8>(buffer1, buffer2, size); + PcmAddVoid<SampleFormat::S8>(buffer1, buffer2, size); return true; case SampleFormat::S16: - PcmAddVoid<int16_t, int32_t, 16>(buffer1, buffer2, size); + PcmAddVoid<SampleFormat::S16>(buffer1, buffer2, size); return true; case SampleFormat::S24_P32: - PcmAddVoid<int32_t, int64_t, 24>(buffer1, buffer2, size); + PcmAddVoid<SampleFormat::S24_P32>(buffer1, buffer2, size); return true; case SampleFormat::S32: - PcmAddVoid<int32_t, int64_t, 32>(buffer1, buffer2, size); + PcmAddVoid<SampleFormat::S32>(buffer1, buffer2, size); return true; case SampleFormat::FLOAT: |