/* * Copyright (C) 2000-2004 James Courtier-Dutton * Copyright (C) 2005 Nathan Hurst * * This file is part of the speaker-test tool. * * This small program sends a simple sinusoidal wave to your speakers. * * speaker-test is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * speaker-test is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * * * Main program by James Courtier-Dutton (including some source code fragments from the alsa project.) * Some cleanup from Daniel Caujolle-Bert * Pink noise option added Nathan Hurst, * based on generator by Phil Burk (pink.c) * * Changelog: * 0.0.8 Added support for pink noise output. * Changelog: * 0.0.7 Added support for more than 6 channels. * Changelog: * 0.0.6 Added support for different sample formats. * * $Id: speaker_test.c,v 1.00 2003/11/26 19:43:38 jcdutton Exp $ */ #include #include #include #include #include #include #include #include #ifdef ENABLE_NLS #include #endif #include #define ALSA_PCM_NEW_HW_PARAMS_API #define ALSA_PCM_NEW_SW_PARAMS_API #include #include #include #include "pink.h" #include "aconfig.h" #include "gettext.h" #include "version.h" enum { TEST_PINK_NOISE = 1, TEST_SINE, TEST_WAV }; #define MAX_CHANNELS 16 static char *device = "default"; /* playback device */ static snd_pcm_format_t format = SND_PCM_FORMAT_S16; /* sample format */ static unsigned int rate = 48000; /* stream rate */ static unsigned int channels = 1; /* count of channels */ static unsigned int speaker = 0; /* count of channels */ static unsigned int buffer_time = 500000; /* ring buffer length in us */ static unsigned int period_time = 100000; /* period time in us */ #define PERIODS 4 static double freq = 440; /* sinusoidal wave frequency in Hz */ static int test_type = TEST_PINK_NOISE; /* Test type. 1 = noise, 2 = sine wave */ static pink_noise_t pink; static snd_output_t *output = NULL; static snd_pcm_uframes_t buffer_size; static snd_pcm_uframes_t period_size; static const char *given_test_wav_file = NULL; static char *wav_file_dir = DATADIR; static const char *channel_name[MAX_CHANNELS] = { N_("Front Left"), N_("Front Right"), N_("Rear Left"), N_("Rear Right"), N_("Center"), N_("LFE"), N_("Side Left"), N_("Side Right"), N_("Channel 9"), N_("Channel 10"), N_("Channel 11"), N_("Channel 12"), N_("Channel 13"), N_("Channel 14"), N_("Channel 15"), N_("Channel 16") }; static const int channels4[] = { 0, 1, 3, 2 }; static const int channels6[] = { 0, 4, 1, 3, 2, 5 }; static const int channels8[] = { 0, 4, 1, 7, 3, 2, 6, 5 }; static void generate_sine(uint8_t *frames, int channel, int count, double *_phase) { double phase = *_phase; double max_phase = 1.0 / freq; double step = 1.0 / (double)rate; double res; float fres; int chn; int32_t ires; int8_t *samp8 = (int8_t*) frames; int16_t *samp16 = (int16_t*) frames; int32_t *samp32 = (int32_t*) frames; float *samp_f = (float*) frames; int sample_size_bits = snd_pcm_format_width(format); while (count-- > 0) { //res = sin((phase * 2 * M_PI) / max_phase - M_PI) * 32767; //res = sin((phase * 2 * M_PI) / max_phase - M_PI) * 32767; //res = (sin((phase * 2 * M_PI) / max_phase - M_PI)) * 0x03fffffff; /* Don't use MAX volume */ //if (res > 0) res = 10000; //if (res < 0) res = -10000; /* printf("%e\n",res); */ //ires = res; //ires = ((16 - (count & 0xf)) <<24); //ires = 0; for(chn=0;chn> 24; //*samp8++ = 0x12; } else { *samp8++ = 0; } } else if (sample_size_bits == 16) { if (chn==channel) { res = (sin((phase * 2 * M_PI) / max_phase - M_PI)) * 0x03fffffff; /* Don't use MAX volume */ ires = res; *samp16++ = ires >>16; //*samp16++ = 0x1234; } else { //*samp16++ = (ires >>16)+1; *samp16++ = 0; } } else if ((sample_size_bits == 32) && (format == SND_PCM_FORMAT_FLOAT_LE)) { if (chn==channel) { res = (sin((phase * 2 * M_PI) / max_phase - M_PI)) * 0.75 ; /* Don't use MAX volume */ fres = res; *samp_f++ = fres; //*samp32++ = 0xF2345678; //printf("res=%lf, ires=%d 0x%x, samp32=0x%x\n",res,ires, ires, samp32[-1]); } else { //*samp32++ = ires+0x10000; //*samp32++ = ires; *samp_f++ = 0.0; } } else if ((sample_size_bits == 32) && (format != SND_PCM_FORMAT_FLOAT_LE)) { if (chn==channel) { res = (sin((phase * 2 * M_PI) / max_phase - M_PI)) * 0x03fffffff; /* Don't use MAX volume */ ires = res; *samp32++ = ires; //*samp32++ = 0xF2345678; //printf("res=%lf, ires=%d 0x%x, samp32=0x%x\n",res,ires, ires, samp32[-1]); } else { //*samp32++ = ires+0x10000; //*samp32++ = ires; *samp32++ = 0; } } } phase += step; if (phase >= max_phase) phase -= max_phase; } *_phase = phase; } /* Pink noise is a better test than sine wave because we can tell * where pink noise is coming from more easily that a sine wave. */ static void generate_pink_noise( uint8_t *frames, int channel, int count) { double res; int chn; int32_t ires; float fres; int8_t *samp8 = (int8_t*) frames; int16_t *samp16 = (int16_t*) frames; int32_t *samp32 = (int32_t*) frames; float *samp_f = (float*) frames; int sample_size_bits = snd_pcm_format_width(format); while (count-- > 0) { for(chn=0;chn> 24; } else { *samp8++ = 0; } } else if (sample_size_bits == 16) { if (chn==channel) { res = generate_pink_noise_sample(&pink) * 0x03fffffff; /* Don't use MAX volume */ ires = res; *samp16++ = ires >>16; } else { *samp16++ = 0; } } else if ((sample_size_bits == 32) && (format == SND_PCM_FORMAT_FLOAT_LE)) { if (chn==channel) { res = generate_pink_noise_sample(&pink) * 0.75; /* Don't use MAX volume */ fres = res; *samp_f++ = fres; } else { *samp_f++ = 0.0; } } else if ((sample_size_bits == 32) && (format != SND_PCM_FORMAT_FLOAT_LE)) { if (chn==channel) { res = generate_pink_noise_sample(&pink) * 0x03fffffff; /* Don't use MAX volume */ ires = res; *samp32++ = ires; } else { *samp32++ = 0; } } } } } static int set_hwparams(snd_pcm_t *handle, snd_pcm_hw_params_t *params, snd_pcm_access_t access) { unsigned int rrate; int err, dir; snd_pcm_uframes_t period_size_min; snd_pcm_uframes_t period_size_max; snd_pcm_uframes_t buffer_size_min; snd_pcm_uframes_t buffer_size_max; snd_pcm_uframes_t buffer_time_to_size; /* choose all parameters */ err = snd_pcm_hw_params_any(handle, params); if (err < 0) { printf(_("Broken configuration for playback: no configurations available: %s\n"), snd_strerror(err)); return err; } /* set the interleaved read/write format */ err = snd_pcm_hw_params_set_access(handle, params, access); if (err < 0) { printf(_("Access type not available for playback: %s\n"), snd_strerror(err)); return err; } /* set the sample format */ err = snd_pcm_hw_params_set_format(handle, params, format); if (err < 0) { printf(_("Sample format not available for playback: %s\n"), snd_strerror(err)); return err; } /* set the count of channels */ err = snd_pcm_hw_params_set_channels(handle, params, channels); if (err < 0) { printf(_("Channels count (%i) not available for playbacks: %s\n"), channels, snd_strerror(err)); return err; } /* set the stream rate */ rrate = rate; err = snd_pcm_hw_params_set_rate(handle, params, rate, 0); if (err < 0) { printf(_("Rate %iHz not available for playback: %s\n"), rate, snd_strerror(err)); return err; } if (rrate != rate) { printf(_("Rate doesn't match (requested %iHz, get %iHz, err %d)\n"), rate, rrate, err); return -EINVAL; } printf(_("Rate set to %iHz (requested %iHz)\n"), rrate, rate); /* set the buffer time */ buffer_time_to_size = ( (snd_pcm_uframes_t)buffer_time * rate) / 1000000; err = snd_pcm_hw_params_get_buffer_size_min(params, &buffer_size_min); err = snd_pcm_hw_params_get_buffer_size_max(params, &buffer_size_max); dir=0; err = snd_pcm_hw_params_get_period_size_min(params, &period_size_min,&dir); dir=0; err = snd_pcm_hw_params_get_period_size_max(params, &period_size_max,&dir); printf(_("Buffer size range from %lu to %lu\n"),buffer_size_min, buffer_size_max); printf(_("Period size range from %lu to %lu\n"),period_size_min, period_size_max); printf(_("Periods = %d\n"), PERIODS); printf(_("Buffer time size %lu\n"),buffer_time_to_size); buffer_size = buffer_time_to_size; //buffer_size=8096; //buffer_size=15052; buffer_size=buffer_size_max; if (buffer_size_max < buffer_size) buffer_size = buffer_size_max; if (buffer_size_min > buffer_size) buffer_size = buffer_size_min; //buffer_size=0x800; period_size = buffer_size/PERIODS; buffer_size = period_size*PERIODS; //period_size = 510; printf(_("To choose buffer_size = %lu\n"),buffer_size); printf(_("To choose period_size = %lu\n"),period_size); dir=0; err = snd_pcm_hw_params_set_period_size_near(handle, params, &period_size, &dir); if (err < 0) { printf(_("Unable to set period size %lu for playback: %s\n"), period_size, snd_strerror(err)); return err; } dir=0; err = snd_pcm_hw_params_get_period_size(params, &period_size, &dir); if (err < 0) printf(_("Unable to get period size for playback: %s\n"), snd_strerror(err)); dir=0; err = snd_pcm_hw_params_set_buffer_size_near(handle, params, &buffer_size); if (err < 0) { printf(_("Unable to set buffer size %lu for playback: %s\n"), buffer_size, snd_strerror(err)); return err; } err = snd_pcm_hw_params_get_buffer_size(params, &buffer_size); printf(_("was set period_size = %lu\n"),period_size); printf(_("was set buffer_size = %lu\n"),buffer_size); if (2*period_size > buffer_size) { printf(_("buffer to small, could not use\n")); return err; } /* write the parameters to device */ err = snd_pcm_hw_params(handle, params); if (err < 0) { printf(_("Unable to set hw params for playback: %s\n"), snd_strerror(err)); return err; } return 0; } static int set_swparams(snd_pcm_t *handle, snd_pcm_sw_params_t *swparams) { int err; /* get the current swparams */ err = snd_pcm_sw_params_current(handle, swparams); if (err < 0) { printf(_("Unable to determine current swparams for playback: %s\n"), snd_strerror(err)); return err; } /* start the transfer when a buffer is full */ err = snd_pcm_sw_params_set_start_threshold(handle, swparams, buffer_size); if (err < 0) { printf(_("Unable to set start threshold mode for playback: %s\n"), snd_strerror(err)); return err; } /* allow the transfer when at least period_size frames can be processed */ err = snd_pcm_sw_params_set_avail_min(handle, swparams, period_size); if (err < 0) { printf(_("Unable to set avail min for playback: %s\n"), snd_strerror(err)); return err; } /* align all transfers to 1 sample */ err = snd_pcm_sw_params_set_xfer_align(handle, swparams, 1); if (err < 0) { printf(_("Unable to set transfer align for playback: %s\n"), snd_strerror(err)); return err; } /* write the parameters to the playback device */ err = snd_pcm_sw_params(handle, swparams); if (err < 0) { printf(_("Unable to set sw params for playback: %s\n"), snd_strerror(err)); return err; } return 0; } /* * Underrun and suspend recovery */ static int xrun_recovery(snd_pcm_t *handle, int err) { if (err == -EPIPE) { /* under-run */ err = snd_pcm_prepare(handle); if (err < 0) printf(_("Can't recovery from underrun, prepare failed: %s\n"), snd_strerror(err)); return 0; } else if (err == -ESTRPIPE) { while ((err = snd_pcm_resume(handle)) == -EAGAIN) sleep(1); /* wait until the suspend flag is released */ if (err < 0) { err = snd_pcm_prepare(handle); if (err < 0) printf(_("Can't recovery from suspend, prepare failed: %s\n"), snd_strerror(err)); } return 0; } return err; } /* * Handle WAV files */ static const char *wav_file[MAX_CHANNELS]; static int wav_file_size[MAX_CHANNELS]; struct wave_header { struct { uint32_t magic; uint32_t length; uint32_t type; } hdr; struct { uint32_t type; uint32_t length; } chunk1; struct { uint16_t format; uint16_t channels; uint32_t rate; uint32_t bytes_per_sec; uint16_t sample_size; uint16_t sample_bits; } body; struct { uint32_t type; uint32_t length; } chunk; }; #if __BYTE_ORDER == __LITTLE_ENDIAN #define COMPOSE_ID(a,b,c,d) ((a) | ((b)<<8) | ((c)<<16) | ((d)<<24)) #define LE_SHORT(v) (v) #define LE_INT(v) (v) #else #define COMPOSE_ID(a,b,c,d) ((d) | ((c)<<8) | ((b)<<16) | ((a)<<24)) #define LE_SHORT(v) bswap_16(v) #define LE_INT(v) bswap_32(v) #endif #define WAV_RIFF COMPOSE_ID('R','I','F','F') #define WAV_WAVE COMPOSE_ID('W','A','V','E') #define WAV_FMT COMPOSE_ID('f','m','t',' ') #define WAV_DATA COMPOSE_ID('d','a','t','a') #define WAV_PCM_CODE 1 static const char *search_for_file(const char *name) { char *file; if (*name == '/') return strdup(name); file = malloc(strlen(wav_file_dir) + strlen(name) + 2); if (file) sprintf(file, "%s/%s", wav_file_dir, name); return file; } static int check_wav_file(int channel, const char *name) { struct wave_header header; int fd; wav_file[channel] = search_for_file(name); if (! wav_file[channel]) { fprintf(stderr, _("No enough memory\n")); return -ENOMEM; } if ((fd = open(wav_file[channel], O_RDONLY)) < 0) { fprintf(stderr, _("Cannot open WAV file %s\n"), wav_file[channel]); return -EINVAL; } if (read(fd, &header, sizeof(header)) < (int)sizeof(header)) { fprintf(stderr, _("Invalid WAV file %s\n"), wav_file[channel]); goto error; } if (header.hdr.magic != WAV_RIFF || header.hdr.type != WAV_WAVE) { fprintf(stderr, _("Not a WAV file: %s\n"), wav_file[channel]); goto error; } if (header.body.format != LE_SHORT(WAV_PCM_CODE)) { fprintf(stderr, _("Unsupported WAV format %d for %s\n"), LE_SHORT(header.body.format), wav_file[channel]); goto error; } if (header.body.channels != LE_SHORT(1)) { fprintf(stderr, _("%s is not a mono stream (%d channels)\n"), wav_file[channel], LE_SHORT(header.body.channels)); goto error; } if (header.body.rate != LE_INT(rate)) { fprintf(stderr, _("Sample rate doesn't match (%d) for %s\n"), LE_INT(header.body.rate), wav_file[channel]); goto error; } if (header.body.sample_bits != LE_SHORT(16)) { fprintf(stderr, _("Unsupported sample format bits %d for %s\n"), LE_SHORT(header.body.sample_bits), wav_file[channel]); goto error; } if (header.chunk.type != WAV_DATA) { fprintf(stderr, _("Invalid WAV file %s\n"), wav_file[channel]); goto error; } wav_file_size[channel] = LE_INT(header.chunk.length); close(fd); return 0; error: close(fd); return -EINVAL; } static int setup_wav_file(int chn) { static const char *wavs[MAX_CHANNELS] = { "Front_Left.wav", "Front_Right.wav", "Rear_Left.wav", "Rear_Right.wav", "Front_Center.wav" "Rear_Center.wav", /* FIXME: should be "Bass" or so */ "Side_Left.wav" "Side_Right.wav" "Channel_9.wav", "Channel_10.wav" "Channel_11.wav" "Channel_12.wav" "Channel_13.wav" "Channel_14.wav" "Channel_15.wav" "Channel_16.wav" }; if (given_test_wav_file) return check_wav_file(chn, given_test_wav_file); else return check_wav_file(chn, wavs[chn]); } static int read_wav(uint16_t *buf, int channel, int offset, int bufsize) { static FILE *wavfp = NULL; int size; if (! wav_file[channel]) { fprintf(stderr, _("Undefined channel %d\n"), channel); return -EINVAL; } if (offset >= wav_file_size[channel]) return 0; /* finished */ if (! offset) { if (wavfp) fclose(wavfp); wavfp = fopen(wav_file[channel], "r"); if (! wavfp) return -errno; if (fseek(wavfp, sizeof(struct wave_header), SEEK_SET) < 0) return -errno; } if (offset + bufsize > wav_file_size[channel]) bufsize = wav_file_size[channel] - offset; bufsize /= channels; for (size = 0; size < bufsize; size += 2) { int chn; for (chn = 0; chn < channels; chn++) { if (chn == channel) { if (fread(buf, 2, 1, wavfp) != 1) return size; } else *buf = 0; buf++; } } return size; } /* * Transfer method - write only */ static int write_buffer(snd_pcm_t *handle, uint8_t *ptr, int cptr) { int err; while (cptr > 0) { err = snd_pcm_writei(handle, ptr, cptr); if (err == -EAGAIN) continue; if (err < 0) { printf(_("Write error: %d,%s\n"), err, snd_strerror(err)); if (xrun_recovery(handle, err) < 0) { printf(_("xrun_recovery failed: %d,%s\n"), err, snd_strerror(err)); return -1; } break; /* skip one period */ } ptr += snd_pcm_frames_to_bytes(handle, err); cptr -= err; } return 0; } static int write_loop(snd_pcm_t *handle, int channel, int periods, uint8_t *frames) { double phase = 0; int err, n; if (test_type == TEST_WAV) { int bufsize = snd_pcm_frames_to_bytes(handle, period_size); n = 0; while ((err = read_wav((uint16_t *)frames, channel, n, bufsize)) > 0) { n += err; if ((err = write_buffer(handle, frames, snd_pcm_bytes_to_frames(handle, err * channels))) < 0) break; } return err; } for(n = 0; n < periods; n++) { if (test_type == TEST_PINK_NOISE) generate_pink_noise(frames, channel, period_size); else generate_sine(frames, channel, period_size, &phase); if ((err = write_buffer(handle, frames, period_size)) < 0) return err; } return 0; } static void help(void) { int k; printf( _("Usage: speaker-test [OPTION]... \n" "-h,--help help\n" "-D,--device playback device\n" "-r,--rate stream rate in Hz\n" "-c,--channels count of channels in stream\n" "-f,--frequency sine wave frequency in Hz\n" "-F,--format sample format\n" "-b,--buffer ring buffer size in us\n" "-p,--period period size in us\n" "-t,--test pink=use pink noise, sine=use sine wave, wav=WAV file\n" "-n,--nloops specify number of loops to test, 0 = infinite\n" "-s,--speaker single speaker test. Values 1=Left, 2=right, etc\n" "-w,--wavfile Use the given WAV file as a test sound\n" "-W,--wavdir Specify the directory containing WAV files\n" "\n")); #if 1 printf(_("Recognized sample formats are:")); for (k = 0; k < SND_PCM_FORMAT_LAST; ++k) { const char *s = snd_pcm_format_name(k); if (s) printf(" %s", s); } printf("\n\n"); #endif } int main(int argc, char *argv[]) { snd_pcm_t *handle; int err, morehelp; snd_pcm_hw_params_t *hwparams; snd_pcm_sw_params_t *swparams; uint8_t *frames; int chn; double time1,time2,time3; unsigned int n, nloops; struct timeval tv1,tv2; struct option long_option[] = { {"help", 0, NULL, 'h'}, {"device", 1, NULL, 'D'}, {"rate", 1, NULL, 'r'}, {"channels", 1, NULL, 'c'}, {"frequency", 1, NULL, 'f'}, {"format", 1, NULL, 'F'}, {"buffer", 1, NULL, 'b'}, {"period", 1, NULL, 'p'}, {"test", 1, NULL, 't'}, {"nloops", 1, NULL, 'l'}, {"speaker", 1, NULL, 's'}, {"wavfile", 1, NULL, 'w'}, {"wavdir", 1, NULL, 'W'}, {NULL, 0, NULL, 0 }, }; #ifdef ENABLE_NLS setlocale(LC_ALL, ""); textdomain(PACKAGE); #endif snd_pcm_hw_params_alloca(&hwparams); snd_pcm_sw_params_alloca(&swparams); nloops = 0; morehelp = 0; printf("\nspeaker-test %s\n\n", SND_UTIL_VERSION_STR); while (1) { int c; if ((c = getopt_long(argc, argv, "hD:r:c:f:F:b:p:t:l:s:w:W:", long_option, NULL)) < 0) break; switch (c) { case 'h': morehelp++; break; case 'D': device = strdup(optarg); break; case 'F': format = snd_pcm_format_value(optarg); break; case 'r': rate = atoi(optarg); rate = rate < 4000 ? 4000 : rate; rate = rate > 196000 ? 196000 : rate; break; case 'c': channels = atoi(optarg); channels = channels < 1 ? 1 : channels; channels = channels > 1024 ? 1024 : channels; break; case 'f': freq = atoi(optarg); freq = freq < 50 ? 50 : freq; freq = freq > 5000 ? 5000 : freq; break; case 'b': buffer_time = atoi(optarg); buffer_time = buffer_time < 1000 ? 1000 : buffer_time; buffer_time = buffer_time > 1000000 ? 1000000 : buffer_time; break; case 'p': period_time = atoi(optarg); period_time = period_time < 1000 ? 1000 : period_time; period_time = period_time > 1000000 ? 1000000 : period_time; break; case 't': if (*optarg == 'p') test_type = TEST_PINK_NOISE; else if (*optarg == 's') test_type = TEST_SINE; else if (*optarg == 'w') test_type = TEST_WAV; else if (isdigit(*optarg)) { test_type = atoi(optarg); if (test_type < TEST_PINK_NOISE || test_type > TEST_WAV) { fprintf(stderr, "Invalid test type %s\n", optarg); exit(1); } } else { fprintf(stderr, "Invalid test type %s\n", optarg); exit(1); } break; case 'l': nloops = atoi(optarg); break; case 's': speaker = atoi(optarg); speaker = speaker < 1 ? 0 : speaker; speaker = speaker > channels ? 0 : speaker; if (speaker==0) { printf(_("Invalid parameter for -s option.\n")); exit(EXIT_FAILURE); } break; case 'w': given_test_wav_file = optarg; break; case 'W': wav_file_dir = optarg; break; default: printf(_("Unknown option '%c'\n"), c); exit(EXIT_FAILURE); break; } } if (morehelp) { help(); exit(EXIT_SUCCESS); } if (test_type == TEST_WAV) format = SND_PCM_FORMAT_S16_LE; /* fixed format */ err = snd_output_stdio_attach(&output, stdout, 0); if (err < 0) { printf(_("Output failed: %s\n"), snd_strerror(err)); exit(EXIT_FAILURE); } printf(_("Playback device is %s\n"), device); printf(_("Stream parameters are %iHz, %s, %i channels\n"), rate, snd_pcm_format_name(format), channels); switch (test_type) { case TEST_PINK_NOISE: printf(_("Using 16 octaves of pink noise\n")); break; case TEST_SINE: printf(_("Sine wave rate is %.4fHz\n"), freq); break; case TEST_WAV: printf(_("WAV file(s)\n")); break; } loop: while ((err = snd_pcm_open(&handle, device, SND_PCM_STREAM_PLAYBACK, 0)) < 0) { printf(_("Playback open error: %d,%s\n"), err,snd_strerror(err)); sleep(1); } if ((err = set_hwparams(handle, hwparams, SND_PCM_ACCESS_RW_INTERLEAVED)) < 0) { printf(_("Setting of hwparams failed: %s\n"), snd_strerror(err)); snd_pcm_close(handle); goto loop; exit(EXIT_FAILURE); } //getchar(); if ((err = set_swparams(handle, swparams)) < 0) { printf(_("Setting of swparams failed: %s\n"), snd_strerror(err)); snd_pcm_close(handle); goto loop; exit(EXIT_FAILURE); } frames = malloc(snd_pcm_frames_to_bytes(handle, period_size)); if (test_type == TEST_PINK_NOISE) initialize_pink_noise(&pink, 16); if (frames == NULL) { printf(_("No enough memory\n")); exit(EXIT_FAILURE); } if (speaker==0) { if (test_type == TEST_WAV) { for (chn = 0; chn < channels; chn++) { if (setup_wav_file(chn) < 0) exit(EXIT_FAILURE); } } for (n = 0; ! nloops || n < nloops; n++) { gettimeofday(&tv1, NULL); for(chn = 0; chn < channels; chn++) { int channel=chn; if (channels == 4) { channel=channels4[chn]; } if (channels == 6) { channel=channels6[chn]; } if (channels == 8) { channel=channels8[chn]; } printf(" %d - %s\n", channel, gettext(channel_name[channel])); err = write_loop(handle, channel, ((rate*3)/period_size), frames); //err = write_loop(handle, 255, ((rate*3)/period_size), frames); if (err < 0) { printf(_("Transfer failed: %s\n"), snd_strerror(err)); free(frames); snd_pcm_close(handle); printf(_("Pausing\n")); goto loop ; //pause(); //printf("Done Pausing\n"); exit(EXIT_SUCCESS); goto loop ; } } gettimeofday(&tv2, NULL); time1 = (double)tv1.tv_sec + ((double)tv1.tv_usec / 1000000.0); time2 = (double)tv2.tv_sec + ((double)tv2.tv_usec / 1000000.0); time3 = time2 - time1; printf(_("Time per period = %lf\n"), time3 ); } } else { if (test_type == TEST_WAV) { if (setup_wav_file(speaker - 1) < 0) exit(EXIT_FAILURE); } printf(" - %s\n", gettext(channel_name[speaker-1])); err = write_loop(handle, speaker-1, ((rate*5)/period_size), frames); if (err < 0) { printf(_("Transfer failed: %s\n"), snd_strerror(err)); } } free(frames); snd_pcm_close(handle); exit(EXIT_SUCCESS); }