144 lines
3.1 KiB
C
144 lines
3.1 KiB
C
/*
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* playau.c
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* -------- 2 Mars 2005
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*
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* This code is almost a copy'n'past from "playwav.c", but
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* it was slightly updated. May be I have introduced new bugs,
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* who have to be backported :)
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*
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*/
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#include <fcntl.h>
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#include <string.h>
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#include <sndfile.h>
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#include <ao/ao.h> /* for the sound output */
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#include "ecoute.h"
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/*==------------------------------------------------------------------==*/
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int au_player(char *fname, WINDOW *popup)
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{
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SNDFILE * sndf;
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SF_INFO sfinfo;
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ao_sample_format format;
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ao_device * device;
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int driver;
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char chaine[100];
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short * samples;
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long total_lu;
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int foo, bar, lu;
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int maxsample;
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#if DEBUG_LEVEL
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fprintf(stderr, ">>> %s ( '%s' %p )\n", __func__, fname, popup);
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#endif
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/*
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* get help from 'sndfile' for getting datas
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*/
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memset(&sfinfo, 0, sizeof(sfinfo));
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sndf = sf_open(fname, SFM_READ, &sfinfo);
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if (NULL == sndf) {
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mvwaddstr(popup, 4, 4, "Invalid file ?");
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wrefresh(popup);
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getch();
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delwin(popup);
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touchwin(stdscr); refresh();
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return -1;
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}
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sprintf(chaine, "frames %lu", (unsigned long)sfinfo.frames);
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mvwaddstr(popup, 2, 5, chaine);
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sprintf(chaine, "sample rate %d", sfinfo.samplerate);
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mvwaddstr(popup, 3, 5, chaine);
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sprintf(chaine, "channels %d", sfinfo.channels);
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mvwaddstr(popup, 4, 5, chaine);
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sprintf(chaine, "format %x", sfinfo.format);
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mvwaddstr(popup, 5, 5, chaine);
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wrefresh(popup);
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/*
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* memory allocation
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* warning, we can get multiples channels.
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*/
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if ( NULL == (samples = malloc(T_BUFFER*sizeof(short)))) {
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perror("no memory in AU player\n");
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abort();
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}
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/*
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* configuration of the sound output
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*/
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ao_initialize();
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#if DEBUG_LEVEL
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fprintf(stderr, "%s: ao ititialised\n", __func__);
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#endif
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driver = ao_default_driver_id();
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#if DEBUG_LEVEL
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fprintf(stderr, "%s: ao default driver = %d\n", __func__, driver);
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#endif
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memset(&format, 0, sizeof(format));
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format.bits = 16; /* ? */
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format.channels = sfinfo.channels;
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format.rate = sfinfo.samplerate;
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format.byte_format = AO_FMT_LITTLE; /* XXX ??? */
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fprintf(stderr, "%s: going to open ao\n", __func__);
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device = ao_open_live(driver, &format, NULL);
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fprintf(stderr, "%s: open live -> %p\n", device);
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if (NULL == device) {
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fprintf(stderr, "\nEcoute: Error open device\n");
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/*
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* comment connaitre la cause de l'erreur ?
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*/
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abort();
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}
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/*
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* Go! Read the samples, compute some numbers and...
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* ...???
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*/
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total_lu = 0L;
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maxsample = 0;
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#if DEBUG_LEVEL
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fprintf(stderr, "%s: enter loop\n", __func__);
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#endif
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while ( (lu=sf_read_short(sndf, samples, T_BUFFER)) > 0 ) {
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ao_play(device, (char *)samples, lu*2);
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for (foo=0; foo<lu; foo++) {
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bar = abs(samples[foo]);
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if (bar > maxsample) {
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sprintf(chaine, "%9ld max %6d", total_lu, bar);
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mvwaddstr(popup, 7, 1, chaine);
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wrefresh(popup);
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maxsample = bar;
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}
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}
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maxsample = 0;
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total_lu += (long)lu;
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progress_bar(popup, total_lu/sfinfo.channels, sfinfo.frames, 1);
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wrefresh(popup);
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}
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#if DEBUG_LEVEL
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fprintf(stderr, "maxsample = %d\n", maxsample);
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#endif
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/*
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* some cleanup...
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*/
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free(samples); /* kill buff */
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sf_close(sndf);
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ao_close(device); ao_shutdown();
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return -1;
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}
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/*==------------------------------------------------------------------==*/
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