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Had to fix up libspeex and some waterbox cothread funsies
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,232 @@ | ||
| using System; | ||
| using System.Runtime.InteropServices; | ||
| using BizHawk.BizInvoke; | ||
| using static BizHawk.Emulation.Common.SpeexResampler; | ||
|
|
||
| namespace BizHawk.Emulation.Common | ||
| { | ||
| public abstract class LibSpeexDSP | ||
| { | ||
| public enum RESAMPLER_ERR | ||
| { | ||
| SUCCESS = 0, | ||
| ALLOC_FAILED = 1, | ||
| BAD_STATE = 2, | ||
| INVALID_ARG = 3, | ||
| PTR_OVERLAP = 4, | ||
| MAX_ERROR | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Create a new resampler with integer input and output rates. | ||
| /// </summary> | ||
| /// <param name="nb_channels">Number of channels to be processed</param> | ||
| /// <param name="in_rate">Input sampling rate (integer number of Hz).</param> | ||
| /// <param name="out_rate">Output sampling rate (integer number of Hz).</param> | ||
| /// <param name="quality">Resampling quality between 0 and 10, where 0 has poor quality and 10 has very high quality.</param> | ||
| /// <param name="err">The error state</param> | ||
| /// <returns>Newly created resampler state</returns> | ||
| [BizImport(CallingConvention.Cdecl)] | ||
| public abstract IntPtr speex_resampler_init(uint nb_channels, uint in_rate, uint out_rate, Quality quality, ref RESAMPLER_ERR err); | ||
|
|
||
| /// <summary> | ||
| /// Create a new resampler with fractional input/output rates. The sampling | ||
| /// rate ratio is an arbitrary rational number with both the numerator and | ||
| /// denominator being 32-bit integers. | ||
| /// </summary> | ||
| /// <param name="nb_channels">Number of channels to be processed</param> | ||
| /// <param name="ratio_num">Numerator of the sampling rate ratio</param> | ||
| /// <param name="ratio_den">Denominator of the sampling rate ratio</param> | ||
| /// <param name="in_rate">Input sampling rate rounded to the nearest integer (in Hz).</param> | ||
| /// <param name="out_rate">Output sampling rate rounded to the nearest integer (in Hz).</param> | ||
| /// <param name="quality">Resampling quality between 0 and 10, where 0 has poor quality and 10 has very high quality.</param> | ||
| /// <param name="err">The error state</param> | ||
| /// <returns>Newly created resampler state</returns> | ||
| [BizImport(CallingConvention.Cdecl)] | ||
| public abstract IntPtr speex_resampler_init_frac(uint nb_channels, uint ratio_num, uint ratio_den, uint in_rate, uint out_rate, Quality quality, ref RESAMPLER_ERR err); | ||
|
|
||
| /// <summary> | ||
| /// Destroy a resampler state. | ||
| /// </summary> | ||
| /// <param name="st">Resampler state</param> | ||
| [BizImport(CallingConvention.Cdecl)] | ||
| public abstract void speex_resampler_destroy(IntPtr st); | ||
|
|
||
| /// <summary> | ||
| /// Resample a float array. The input and output buffers must *not* overlap. | ||
| /// </summary> | ||
| /// <param name="st">Resampler state</param> | ||
| /// <param name="channel_index">Index of the channel to process for the multi-channel base (0 otherwise)</param> | ||
| /// <param name="inp">Input buffer</param> | ||
| /// <param name="in_len">Number of input samples in the input buffer. Returns the number of samples processed</param> | ||
| /// <param name="outp">Output buffer</param> | ||
| /// <param name="out_len">Size of the output buffer. Returns the number of samples written</param> | ||
| [BizImport(CallingConvention.Cdecl)] | ||
| public abstract RESAMPLER_ERR speex_resampler_process_float(IntPtr st, uint channel_index, float[] inp, ref uint in_len, float[] outp, ref uint out_len); | ||
|
|
||
| /// <summary> | ||
| /// Resample an int array. The input and output buffers must *not* overlap. | ||
| /// </summary> | ||
| /// <param name="st">Resampler state</param> | ||
| /// <param name="channel_index">Index of the channel to process for the multi-channel base (0 otherwise)</param> | ||
| /// <param name="inp">Input buffer</param> | ||
| /// <param name="in_len">Number of input samples in the input buffer. Returns the number of samples processed</param> | ||
| /// <param name="outp">Output buffer</param> | ||
| /// <param name="out_len">Size of the output buffer. Returns the number of samples written</param> | ||
| [BizImport(CallingConvention.Cdecl)] | ||
| public abstract RESAMPLER_ERR speex_resampler_process_int(IntPtr st, uint channel_index, short[] inp, ref uint in_len, short[] outp, ref uint out_len); | ||
|
|
||
| /// <summary> | ||
| /// Resample an interleaved float array. The input and output buffers must *not* overlap. | ||
| /// </summary> | ||
| /// <param name="st">Resampler state</param> | ||
| /// <param name="inp">Input buffer</param> | ||
| /// <param name="in_len">Number of input samples in the input buffer. Returns the number of samples processed. This is all per-channel.</param> | ||
| /// <param name="outp">Output buffer</param> | ||
| /// <param name="out_len">Size of the output buffer. Returns the number of samples written. This is all per-channel.</param> | ||
| [BizImport(CallingConvention.Cdecl)] | ||
| public abstract RESAMPLER_ERR speex_resampler_process_interleaved_float(IntPtr st, float[] inp, ref uint in_len, float[] outp, ref uint out_len); | ||
|
|
||
| /// <summary> | ||
| /// Resample an interleaved int array. The input and output buffers must *not* overlap. | ||
| /// </summary> | ||
| /// <param name="st">Resampler state</param> | ||
| /// <param name="inp">Input buffer</param> | ||
| /// <param name="in_len">Number of input samples in the input buffer. Returns the number of samples processed. This is all per-channel.</param> | ||
| /// <param name="outp">Output buffer</param> | ||
| /// <param name="out_len">Size of the output buffer. Returns the number of samples written. This is all per-channel.</param> | ||
| [BizImport(CallingConvention.Cdecl)] | ||
| public abstract RESAMPLER_ERR speex_resampler_process_interleaved_int(IntPtr st, short[] inp, ref uint in_len, short[] outp, ref uint out_len); | ||
|
|
||
| /// <summary> | ||
| /// Set (change) the input/output sampling rates (integer value). | ||
| /// </summary> | ||
| /// <param name="st">Resampler state</param> | ||
| /// <param name="in_rate">Input sampling rate (integer number of Hz).</param> | ||
| /// <param name="out_rate">Output sampling rate (integer number of Hz).</param> | ||
| [BizImport(CallingConvention.Cdecl)] | ||
| public abstract RESAMPLER_ERR speex_resampler_set_rate(IntPtr st, uint in_rate, uint out_rate); | ||
|
|
||
| /// <summary> | ||
| /// Get the current input/output sampling rates (integer value). | ||
| /// </summary> | ||
| /// <param name="st">Resampler state</param> | ||
| /// <param name="in_rate">Input sampling rate (integer number of Hz) copied.</param> | ||
| /// <param name="out_rate">Output sampling rate (integer number of Hz) copied.</param> | ||
| [BizImport(CallingConvention.Cdecl)] | ||
| public abstract void speex_resampler_get_rate(IntPtr st, ref uint in_rate, ref uint out_rate); | ||
|
|
||
| /// <summary> | ||
| /// Set (change) the input/output sampling rates and resampling ratio (fractional values in Hz supported). | ||
| /// </summary> | ||
| /// <param name="st">resampler state</param> | ||
| /// <param name="ratio_num">Numerator of the sampling rate ratio</param> | ||
| /// <param name="ratio_den">Denominator of the sampling rate ratio</param> | ||
| /// <param name="in_rate">Input sampling rate rounded to the nearest integer (in Hz).</param> | ||
| /// <param name="out_rate">Output sampling rate rounded to the nearest integer (in Hz).</param> | ||
| [BizImport(CallingConvention.Cdecl)] | ||
| public abstract RESAMPLER_ERR speex_resampler_set_rate_frac(IntPtr st, uint ratio_num, uint ratio_den, uint in_rate, uint out_rate); | ||
|
|
||
| /// <summary> | ||
| /// Get the current resampling ratio. This will be reduced to the least common denominator. | ||
| /// </summary> | ||
| /// <param name="st">Resampler state</param> | ||
| /// <param name="ratio_num">Numerator of the sampling rate ratio copied</param> | ||
| /// <param name="ratio_den">Denominator of the sampling rate ratio copied</param> | ||
| [BizImport(CallingConvention.Cdecl)] | ||
| public abstract void speex_resampler_get_ratio(IntPtr st, ref uint ratio_num, ref uint ratio_den); | ||
|
|
||
| /// <summary> | ||
| /// Set (change) the conversion quality. | ||
| /// </summary> | ||
| /// <param name="st">Resampler state</param> | ||
| /// <param name="quality">Resampling quality between 0 and 10, where 0 has poor quality and 10 has very high quality.</param> | ||
| [BizImport(CallingConvention.Cdecl)] | ||
| public abstract RESAMPLER_ERR speex_resampler_set_quality(IntPtr st, Quality quality); | ||
|
|
||
| /// <summary> | ||
| /// Get the conversion quality. | ||
| /// </summary> | ||
| /// <param name="st">Resampler state</param> | ||
| /// <param name="quality">Resampling quality between 0 and 10, where 0 has poor quality and 10 has very high quality.</param> | ||
| [BizImport(CallingConvention.Cdecl)] | ||
| public abstract void speex_resampler_get_quality(IntPtr st, ref Quality quality); | ||
|
|
||
| /// <summary> | ||
| /// Set (change) the input stride. | ||
| /// </summary> | ||
| /// <param name="st">Resampler state</param> | ||
| /// <param name="stride">Input stride</param> | ||
| [BizImport(CallingConvention.Cdecl)] | ||
| public abstract void speex_resampler_set_input_stride(IntPtr st, uint stride); | ||
|
|
||
| /// <summary> | ||
| /// Get the input stride. | ||
| /// </summary> | ||
| /// <param name="st">Resampler state</param> | ||
| /// <param name="stride">Input stride copied</param> | ||
| [BizImport(CallingConvention.Cdecl)] | ||
| public abstract void speex_resampler_get_input_stride(IntPtr st, ref uint stride); | ||
|
|
||
| /// <summary> | ||
| /// Set (change) the output stride. | ||
| /// </summary> | ||
| /// <param name="st">Resampler state</param> | ||
| /// <param name="stride">Output stride</param> | ||
| [BizImport(CallingConvention.Cdecl)] | ||
| public abstract void speex_resampler_set_output_stride(IntPtr st, uint stride); | ||
|
|
||
| /// <summary> | ||
| /// Get the output stride. | ||
| /// </summary> | ||
| /// <param name="st">Resampler state</param> | ||
| /// <param name="stride">Output stride copied</param> | ||
| [BizImport(CallingConvention.Cdecl)] | ||
| public abstract void speex_resampler_get_output_stride(IntPtr st, ref uint stride); | ||
|
|
||
| /*these two functions don't exist in our version of the dll | ||
| /// <summary> | ||
| /// Get the latency in input samples introduced by the resampler. | ||
| /// </summary> | ||
| /// <param name="st">Resampler state</param> | ||
| [BizImport(CallingConvention.Cdecl)] | ||
| public abstract int speex_resampler_get_input_latency(IntPtr st); | ||
| /// <summary> | ||
| /// Get the latency in output samples introduced by the resampler. | ||
| /// </summary> | ||
| /// <param name="st">Resampler state</param> | ||
| [BizImport(CallingConvention.Cdecl)] | ||
| public abstract int speex_resampler_get_output_latency(IntPtr st); | ||
| */ | ||
|
|
||
| /// <summary> | ||
| /// Make sure that the first samples to go out of the resampler don't have | ||
| /// leading zeros. This is only useful before starting to use a newly created | ||
| /// resampler. It is recommended to use that when resampling an audio file, as | ||
| /// it will generate a file with the same length. For real-time processing, | ||
| /// it is probably easier not to use this call (so that the output duration | ||
| /// is the same for the first frame). | ||
| /// </summary> | ||
| /// <param name="st">Resampler state</param> | ||
| [BizImport(CallingConvention.Cdecl)] | ||
| public abstract RESAMPLER_ERR speex_resampler_skip_zeros(IntPtr st); | ||
|
|
||
| /// <summary> | ||
| /// Reset a resampler so a new (unrelated) stream can be processed. | ||
| /// </summary> | ||
| /// <param name="st">Resampler state</param> | ||
| [BizImport(CallingConvention.Cdecl)] | ||
| public abstract RESAMPLER_ERR speex_resampler_reset_mem(IntPtr st); | ||
|
|
||
| /// <summary> | ||
| /// Returns the English meaning for an error code | ||
| /// </summary> | ||
| /// <param name="err">Error code</param> | ||
| /// <returns>English string</returns> | ||
| [BizImport(CallingConvention.Cdecl, Compatibility = true)] | ||
| public abstract string speex_resampler_strerror(RESAMPLER_ERR err); | ||
| } | ||
| } |
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