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Diffstat (limited to 'main/libresample/include/libresample.h')
| -rw-r--r-- | main/libresample/include/libresample.h | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/main/libresample/include/libresample.h b/main/libresample/include/libresample.h deleted file mode 100644 index 43ccab56e..000000000 --- a/main/libresample/include/libresample.h +++ /dev/null @@ -1,120 +0,0 @@ -/********************************************************************** - - resample.h - - Real-time library interface by Dominic Mazzoni - - Based on resample-1.7: - http://www-ccrma.stanford.edu/~jos/resample/ - - License: LGPL - see the file LICENSE.txt for more information - -**********************************************************************/ - -/*! - * \file - * \brief libresample API - * \author Dominic Mazzoni - */ - -#ifndef LIBRESAMPLE_INCLUDED -#define LIBRESAMPLE_INCLUDED - -#ifdef __cplusplus -extern "C" { -#endif /* __cplusplus */ - -/*! - * \brief Create a resampler - * - * \param highQuality Set this argument to non-zero to enable higher quality - * resampling. - * \param minFactor This is the minimum resampling factor that will be used for - * this resampler. The resampling factor is calculated in the following - * way: ( from sample rate / to sample rate ). - * \param maxFactor This is the maximum resampling factor that will be used for - * this resampler. - * - * Use this function to create a new resampler that will maintain state - * information about the stream of audio being resampled. - * - * \return A handle to a new resampler - */ -void *resample_open(int highQuality, - double minFactor, - double maxFactor); - -/*! - * \brief Duplicate a resampler - * - * \param handle the resampler to duplicate - * - * \return A new handle to a resampler, initialized with the same parameters - * used to create the original resampler. - */ -void *resample_dup(const void *handle); - -/*! - * \brief Get filter width for resampler - * - * \param handle the resampler - * - * \return the filter width. - */ -int resample_get_filter_width(const void *handle); - -/*! - * \brief Resample a chunk of audio - * - * \param handle the resampler - * \param factor the resampling factor. This factor should be calculated as - * ( from sample rate / to sample rate ). So, for converting from 8 kHz - * to 16 kHz, this value would be 2.0. - * \param inBuffer the input buffer for audio to resample. - * \param inBufferLen the number of samples in the input buffer - * \param lastFlag Set this argument to non-zero if the data in the input buffer - * is known to be the end of a stream. This would be used if you're - * resampling a file, for example. - * \param inBufferUsed This is an output parameter that indicates how many - * samples were consumed from the input buffer. Generally, this function - * is called in a loop until you know that the entire input buffer has - * been consumed, as it may take multiple calls to complete. - * \param outBuffer This is the output buffer. This function will write the - * resampled audio into this buffer. - * \param outBufferLen This parameter specifies how many samples there is room - * for in the output buffer. - * - * This is the main function used for resampling audio. It should be called - * in a loop until all of the data from the input buffer is consumed, or the - * output buffer has been filled. - * - * \return the number of samples written to the output buffer. If the return - * value is equal to the value provided in the outBufferLen parameter, - * then the output buffer has been filled. - */ -int resample_process(void *handle, - double factor, - float *inBuffer, - int inBufferLen, - int lastFlag, - int *inBufferUsed, - float *outBuffer, - int outBufferLen); - -/*! - * \brief Close a resampler - * - * \param handle the resampler to close - * - * Use this function to release a handle to a resampler that was created using - * either resample_open() or resample_dup(). - * - * \return nothing. - */ -void resample_close(void *handle); - -#ifdef __cplusplus -} /* extern "C" */ -#endif /* __cplusplus */ - -#endif /* LIBRESAMPLE_INCLUDED */ |