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1
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1 #pragma once
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2
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3 #include "audio_chunk.h"
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4 #include "mem_block_container.h"
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5
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6 //! This class handles conversion of audio data (audio_chunk) to various linear PCM types, with optional dithering.
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7 class NOVTABLE audio_postprocessor : public service_base
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8 {
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9 public:
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10 //! Processes one chunk of audio data.
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11 //! @param p_chunk Chunk of audio data to process.
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12 //! @param p_output Receives output linear signed PCM data.
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13 //! @param p_out_bps Desired bit depth of output.
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14 //! @param p_out_bps_physical Desired physical word width of output. Must be either 8, 16, 24 or 32, greater or equal to p_out_bps. This is typically set to same value as p_out_bps.
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15 //! @param p_dither Indicates whether dithering should be used. Note that dithering is CPU-heavy.
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16 //! @param p_prescale Value to scale all audio samples by when converting. Set to 1.0 to do nothing.
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17
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18 virtual void run(const audio_chunk & p_chunk,
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19 mem_block_container & p_output,
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20 t_uint32 p_out_bps,
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21 t_uint32 p_out_bps_physical,
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22 bool p_dither,
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23 audio_sample p_prescale
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24 ) = 0;
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25
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26
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27
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28 FB2K_MAKE_SERVICE_COREAPI(audio_postprocessor);
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29 };
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