From 4f6b15ea26b5fa09f300f67e4ce1057c2b39a3aa Mon Sep 17 00:00:00 2001 From: Bent Bisballe Nyeng Date: Thu, 25 Sep 2014 17:08:44 +0200 Subject: New API, new name, new version. --- src/test_audio.h | 112 ------------------------------------------------------- 1 file changed, 112 deletions(-) delete mode 100644 src/test_audio.h (limited to 'src/test_audio.h') diff --git a/src/test_audio.h b/src/test_audio.h deleted file mode 100644 index 68dac67..0000000 --- a/src/test_audio.h +++ /dev/null @@ -1,112 +0,0 @@ -/* -*- mode: c++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/*************************************************************************** - * File: test_audio.h - * This file belongs to the Bifrost project. - * [FILL IN DESCRIPTION HERE] - * Date: Wed Feb 3 08:04:33 CET 2010 - * Author: Bent Bisballe Nyeng - * Copyright: 2010 - * Email: deva@aasimon.org - ****************************************************************************/ -#ifndef __BIFROST_TEST_AUDIO_H__ -#define __BIFROST_TEST_AUDIO_H__ - -#include -#include -#include - -#ifdef VERBOSE -#include -#endif - -static inline size_t getBufferSize(size_t samples, size_t channels) -{ - return samples * channels * sizeof(short); -} - -static inline char *getBuffer(size_t samples, size_t channels) -{ - return (char*)calloc(getBufferSize(samples, channels), 1); -} - -static inline char *getSineBuffer(size_t samples, size_t channels, - size_t srate, size_t freq) -{ - short *s = (short*)getBuffer(samples, channels); - for(size_t i = 0; i < samples; i++) { - double x = (double)i / (double)srate; - double val = sin(x * 2 * M_PI * freq); - - for(size_t c = 0; c < channels; c++) { - s[(i * channels) + c] = val * 32500; - } - - } - return (char*)s; -} - -static inline char *getNoiseBuffer(size_t samples, size_t channels) -{ - srand(time(NULL)); - short *s = (short*)getBuffer(samples, channels); - for(size_t i = 0; i < samples; i++) { - for(size_t c = 0; c < channels; c++) { - s[(i * channels) + c] = (rand() % 65000) - 32500; - } - } - return (char*)s; -} - -static inline void normaliseBuffer(size_t samples, size_t channels, char *buf) -{ - int max = 0; - - short *s = (short*)buf; - for(size_t i = 0; i < samples; i++) { - for(size_t c = 0; c < channels; c++) { - if(max < abs(s[(i * channels) + c])) max = abs(s[(i * channels) + c]); - } - } - - for(size_t i = 0; i < samples; i++) { - for(size_t c = 0; c < channels; c++) { - s[(i * channels) + c] *= 32500/max; - } - } - -} - -static inline double compareBuffers(size_t samples, size_t channels, char *buf1, char *buf2) -{ - double diff = 0.0; - -#ifdef NORM - normaliseBuffer(samples, channels, buf1); - normaliseBuffer(samples, channels, buf2); -#endif - - short *s1 = (short*)buf1; - short *s2 = (short*)buf2; - - for(size_t i = 0; i < samples; i++) { - for(size_t c = 0; c < channels; c++) { - diff += (double)abs(s1[(i * channels) + c] - s2[(i * channels) + c]) / (double)(samples*channels); -#ifdef VERBOSE - if(c == 0) fprintf(stderr, "%d\t%d\t~%d\t: %f\n", - s1[(i * channels) + c], s2[(i * channels) + c], - s1[(i * channels) + c] - s2[(i * channels) + c], - diff); -#endif - - } - } - -#ifdef VERBOSE - fprintf(stderr, "Diff: %f\n", diff); -#endif - - return diff; -} - - -#endif/*__BIFROST_TEST_AUDIO_H__*/ -- cgit v1.2.3