From 1568fcc979a944584a1d23f6191efce55aa75b42 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Sat, 28 Jun 2008 02:20:14 +0200 Subject: get rid of our internal copy of the speex resampler. Instead, link against a system-installes libspeexdsp --- src/pulsecore/speex/speex_resampler.h | 340 ---------------------------------- 1 file changed, 340 deletions(-) delete mode 100644 src/pulsecore/speex/speex_resampler.h (limited to 'src/pulsecore/speex/speex_resampler.h') diff --git a/src/pulsecore/speex/speex_resampler.h b/src/pulsecore/speex/speex_resampler.h deleted file mode 100644 index c2853f64..00000000 --- a/src/pulsecore/speex/speex_resampler.h +++ /dev/null @@ -1,340 +0,0 @@ -/* Copyright (C) 2007 Jean-Marc Valin - - File: speex_resampler.h - Resampling code - - The design goals of this code are: - - Very fast algorithm - - Low memory requirement - - Good *perceptual* quality (and not best SNR) - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are - met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - - 2. Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - 3. The name of the author may not be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, - INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. -*/ - - -#ifndef SPEEX_RESAMPLER_H -#define SPEEX_RESAMPLER_H - -#ifdef OUTSIDE_SPEEX - -/********* WARNING: MENTAL SANITY ENDS HERE *************/ - -/* If the resampler is defined outside of Speex, we change the symbol names so that - there won't be any clash if linking with Speex later on. */ - -/* #define RANDOM_PREFIX your software name here */ -#ifndef RANDOM_PREFIX -#error "Please define RANDOM_PREFIX (above) to something specific to your project to prevent symbol name clashes" -#endif - -#define CAT_PREFIX2(a,b) a ## b -#define CAT_PREFIX(a,b) CAT_PREFIX2(a, b) - -#define speex_resampler_init CAT_PREFIX(RANDOM_PREFIX,_resampler_init) -#define speex_resampler_init_frac CAT_PREFIX(RANDOM_PREFIX,_resampler_init_frac) -#define speex_resampler_destroy CAT_PREFIX(RANDOM_PREFIX,_resampler_destroy) -#define speex_resampler_process_float CAT_PREFIX(RANDOM_PREFIX,_resampler_process_float) -#define speex_resampler_process_int CAT_PREFIX(RANDOM_PREFIX,_resampler_process_int) -#define speex_resampler_process_interleaved_float CAT_PREFIX(RANDOM_PREFIX,_resampler_process_interleaved_float) -#define speex_resampler_process_interleaved_int CAT_PREFIX(RANDOM_PREFIX,_resampler_process_interleaved_int) -#define speex_resampler_set_rate CAT_PREFIX(RANDOM_PREFIX,_resampler_set_rate) -#define speex_resampler_get_rate CAT_PREFIX(RANDOM_PREFIX,_resampler_get_rate) -#define speex_resampler_set_rate_frac CAT_PREFIX(RANDOM_PREFIX,_resampler_set_rate_frac) -#define speex_resampler_get_ratio CAT_PREFIX(RANDOM_PREFIX,_resampler_get_ratio) -#define speex_resampler_set_quality CAT_PREFIX(RANDOM_PREFIX,_resampler_set_quality) -#define speex_resampler_get_quality CAT_PREFIX(RANDOM_PREFIX,_resampler_get_quality) -#define speex_resampler_set_input_stride CAT_PREFIX(RANDOM_PREFIX,_resampler_set_input_stride) -#define speex_resampler_get_input_stride CAT_PREFIX(RANDOM_PREFIX,_resampler_get_input_stride) -#define speex_resampler_set_output_stride CAT_PREFIX(RANDOM_PREFIX,_resampler_set_output_stride) -#define speex_resampler_get_output_stride CAT_PREFIX(RANDOM_PREFIX,_resampler_get_output_stride) -#define speex_resampler_get_input_latency CAT_PREFIX(RANDOM_PREFIX,_resampler_get_input_latency) -#define speex_resampler_get_output_latency CAT_PREFIX(RANDOM_PREFIX,_resampler_get_output_latency) -#define speex_resampler_skip_zeros CAT_PREFIX(RANDOM_PREFIX,_resampler_skip_zeros) -#define speex_resampler_reset_mem CAT_PREFIX(RANDOM_PREFIX,_resampler_reset_mem) -#define speex_resampler_strerror CAT_PREFIX(RANDOM_PREFIX,_resampler_strerror) - -#define spx_int16_t short -#define spx_int32_t int -#define spx_uint16_t unsigned short -#define spx_uint32_t unsigned int - -#else /* OUTSIDE_SPEEX */ - -#include "speex/speex_types.h" - -#endif /* OUTSIDE_SPEEX */ - -#ifdef __cplusplus -extern "C" { -#endif - -#define SPEEX_RESAMPLER_QUALITY_MAX 10 -#define SPEEX_RESAMPLER_QUALITY_MIN 0 -#define SPEEX_RESAMPLER_QUALITY_DEFAULT 4 -#define SPEEX_RESAMPLER_QUALITY_VOIP 3 -#define SPEEX_RESAMPLER_QUALITY_DESKTOP 5 - -enum { - RESAMPLER_ERR_SUCCESS = 0, - RESAMPLER_ERR_ALLOC_FAILED = 1, - RESAMPLER_ERR_BAD_STATE = 2, - RESAMPLER_ERR_INVALID_ARG = 3, - RESAMPLER_ERR_PTR_OVERLAP = 4, - - RESAMPLER_ERR_MAX_ERROR -}; - -struct SpeexResamplerState_; -typedef struct SpeexResamplerState_ SpeexResamplerState; - -/** Create a new resampler with integer input and output rates. - * @param nb_channels Number of channels to be processed - * @param in_rate Input sampling rate (integer number of Hz). - * @param out_rate Output sampling rate (integer number of Hz). - * @param quality Resampling quality between 0 and 10, where 0 has poor quality - * and 10 has very high quality. - * @return Newly created resampler state - * @retval NULL Error: not enough memory - */ -SpeexResamplerState *speex_resampler_init(spx_uint32_t nb_channels, - spx_uint32_t in_rate, - spx_uint32_t out_rate, - int quality, - int *err); - -/** 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. - * @param nb_channels Number of channels to be processed - * @param ratio_num Numerator of the sampling rate ratio - * @param ratio_den Denominator of the sampling rate ratio - * @param in_rate Input sampling rate rounded to the nearest integer (in Hz). - * @param out_rate Output sampling rate rounded to the nearest integer (in Hz). - * @param quality Resampling quality between 0 and 10, where 0 has poor quality - * and 10 has very high quality. - * @return Newly created resampler state - * @retval NULL Error: not enough memory - */ -SpeexResamplerState *speex_resampler_init_frac(spx_uint32_t nb_channels, - spx_uint32_t ratio_num, - spx_uint32_t ratio_den, - spx_uint32_t in_rate, - spx_uint32_t out_rate, - int quality, - int *err); - -/** Destroy a resampler state. - * @param st Resampler state - */ -void speex_resampler_destroy(SpeexResamplerState *st); - -/** Resample a float array. The input and output buffers must *not* overlap. - * @param st Resampler state - * @param channel_index Index of the channel to process for the multi-channel - * base (0 otherwise) - * @param in Input buffer - * @param in_len Number of input samples in the input buffer. Returns the - * number of samples processed - * @param out Output buffer - * @param out_len Size of the output buffer. Returns the number of samples written - */ -int speex_resampler_process_float(SpeexResamplerState *st, - spx_uint32_t channel_index, - const float *in, - spx_uint32_t *in_len, - float *out, - spx_uint32_t *out_len); - -/** Resample an int array. The input and output buffers must *not* overlap. - * @param st Resampler state - * @param channel_index Index of the channel to process for the multi-channel - * base (0 otherwise) - * @param in Input buffer - * @param in_len Number of input samples in the input buffer. Returns the number - * of samples processed - * @param out Output buffer - * @param out_len Size of the output buffer. Returns the number of samples written - */ -int speex_resampler_process_int(SpeexResamplerState *st, - spx_uint32_t channel_index, - const spx_int16_t *in, - spx_uint32_t *in_len, - spx_int16_t *out, - spx_uint32_t *out_len); - -/** Resample an interleaved float array. The input and output buffers must *not* overlap. - * @param st Resampler state - * @param in Input buffer - * @param in_len Number of input samples in the input buffer. Returns the number - * of samples processed. This is all per-channel. - * @param out Output buffer - * @param out_len Size of the output buffer. Returns the number of samples written. - * This is all per-channel. - */ -int speex_resampler_process_interleaved_float(SpeexResamplerState *st, - const float *in, - spx_uint32_t *in_len, - float *out, - spx_uint32_t *out_len); - -/** Resample an interleaved int array. The input and output buffers must *not* overlap. - * @param st Resampler state - * @param in Input buffer - * @param in_len Number of input samples in the input buffer. Returns the number - * of samples processed. This is all per-channel. - * @param out Output buffer - * @param out_len Size of the output buffer. Returns the number of samples written. - * This is all per-channel. - */ -int speex_resampler_process_interleaved_int(SpeexResamplerState *st, - const spx_int16_t *in, - spx_uint32_t *in_len, - spx_int16_t *out, - spx_uint32_t *out_len); - -/** Set (change) the input/output sampling rates (integer value). - * @param st Resampler state - * @param in_rate Input sampling rate (integer number of Hz). - * @param out_rate Output sampling rate (integer number of Hz). - */ -int speex_resampler_set_rate(SpeexResamplerState *st, - spx_uint32_t in_rate, - spx_uint32_t out_rate); - -/** Get the current input/output sampling rates (integer value). - * @param st Resampler state - * @param in_rate Input sampling rate (integer number of Hz) copied. - * @param out_rate Output sampling rate (integer number of Hz) copied. - */ -void speex_resampler_get_rate(SpeexResamplerState *st, - spx_uint32_t *in_rate, - spx_uint32_t *out_rate); - -/** Set (change) the input/output sampling rates and resampling ratio - * (fractional values in Hz supported). - * @param st Resampler state - * @param ratio_num Numerator of the sampling rate ratio - * @param ratio_den Denominator of the sampling rate ratio - * @param in_rate Input sampling rate rounded to the nearest integer (in Hz). - * @param out_rate Output sampling rate rounded to the nearest integer (in Hz). - */ -int speex_resampler_set_rate_frac(SpeexResamplerState *st, - spx_uint32_t ratio_num, - spx_uint32_t ratio_den, - spx_uint32_t in_rate, - spx_uint32_t out_rate); - -/** Get the current resampling ratio. This will be reduced to the least - * common denominator. - * @param st Resampler state - * @param ratio_num Numerator of the sampling rate ratio copied - * @param ratio_den Denominator of the sampling rate ratio copied - */ -void speex_resampler_get_ratio(SpeexResamplerState *st, - spx_uint32_t *ratio_num, - spx_uint32_t *ratio_den); - -/** Set (change) the conversion quality. - * @param st Resampler state - * @param quality Resampling quality between 0 and 10, where 0 has poor - * quality and 10 has very high quality. - */ -int speex_resampler_set_quality(SpeexResamplerState *st, - int quality); - -/** Get the conversion quality. - * @param st Resampler state - * @param quality Resampling quality between 0 and 10, where 0 has poor - * quality and 10 has very high quality. - */ -void speex_resampler_get_quality(SpeexResamplerState *st, - int *quality); - -/** Set (change) the input stride. - * @param st Resampler state - * @param stride Input stride - */ -void speex_resampler_set_input_stride(SpeexResamplerState *st, - spx_uint32_t stride); - -/** Get the input stride. - * @param st Resampler state - * @param stride Input stride copied - */ -void speex_resampler_get_input_stride(SpeexResamplerState *st, - spx_uint32_t *stride); - -/** Set (change) the output stride. - * @param st Resampler state - * @param stride Output stride - */ -void speex_resampler_set_output_stride(SpeexResamplerState *st, - spx_uint32_t stride); - -/** Get the output stride. - * @param st Resampler state copied - * @param stride Output stride - */ -void speex_resampler_get_output_stride(SpeexResamplerState *st, - spx_uint32_t *stride); - -/** Get the latency in input samples introduced by the resampler. - * @param st Resampler state - */ -int speex_resampler_get_input_latency(SpeexResamplerState *st); - -/** Get the latency in output samples introduced by the resampler. - * @param st Resampler state - */ -int speex_resampler_get_output_latency(SpeexResamplerState *st); - -/** Make sure that the first samples to go out of the resamplers 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). - * @param st Resampler state - */ -int speex_resampler_skip_zeros(SpeexResamplerState *st); - -/** Reset a resampler so a new (unrelated) stream can be processed. - * @param st Resampler state - */ -int speex_resampler_reset_mem(SpeexResamplerState *st); - -/** Returns the English meaning for an error code - * @param err Error code - * @return English string - */ -const char *speex_resampler_strerror(int err); - -#ifdef __cplusplus -} -#endif - -#endif -- cgit