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author | bunnei <bunneidev@gmail.com> | 2016-03-31 02:17:52 +0200 |
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committer | bunnei <bunneidev@gmail.com> | 2016-03-31 02:17:52 +0200 |
commit | 644fbbeb13db8147ce74cfbde80f62ee492c201a (patch) | |
tree | 0c9e5ee0a8e9bb98cc2df13d5584f756c7cfeea2 /src/audio_core/hle/dsp.h | |
parent | Merge pull request #1611 from ObsidianX/cfg-common-fix (diff) | |
parent | DSP: Implement audio filters (simple, biquad) (diff) | |
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Diffstat (limited to 'src/audio_core/hle/dsp.h')
-rw-r--r-- | src/audio_core/hle/dsp.h | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/src/audio_core/hle/dsp.h b/src/audio_core/hle/dsp.h index 376436c29..c15ef0b7a 100644 --- a/src/audio_core/hle/dsp.h +++ b/src/audio_core/hle/dsp.h @@ -126,8 +126,11 @@ struct SourceConfiguration { union { u32_le dirty_raw; + BitField<0, 1, u32_le> format_dirty; + BitField<1, 1, u32_le> mono_or_stereo_dirty; BitField<2, 1, u32_le> adpcm_coefficients_dirty; BitField<3, 1, u32_le> partial_embedded_buffer_dirty; ///< Tends to be set when a looped buffer is queued. + BitField<4, 1, u32_le> partial_reset_flag; BitField<16, 1, u32_le> enable_dirty; BitField<17, 1, u32_le> interpolation_dirty; @@ -143,8 +146,7 @@ struct SourceConfiguration { BitField<27, 1, u32_le> gain_2_dirty; BitField<28, 1, u32_le> sync_dirty; BitField<29, 1, u32_le> reset_flag; - - BitField<31, 1, u32_le> embedded_buffer_dirty; + BitField<30, 1, u32_le> embedded_buffer_dirty; }; // Gain control @@ -175,7 +177,8 @@ struct SourceConfiguration { /** * This is the simplest normalized first-order digital recursive filter. * The transfer function of this filter is: - * H(z) = b0 / (1 + a1 z^-1) + * H(z) = b0 / (1 - a1 z^-1) + * Note the feedbackward coefficient is negated. * Values are signed fixed point with 15 fractional bits. */ struct SimpleFilter { @@ -192,11 +195,11 @@ struct SourceConfiguration { * Values are signed fixed point with 14 fractional bits. */ struct BiquadFilter { - s16_le b0; - s16_le b1; - s16_le b2; - s16_le a1; s16_le a2; + s16_le a1; + s16_le b2; + s16_le b1; + s16_le b0; }; union { |