131 lines
2.7 KiB
C
131 lines
2.7 KiB
C
/*
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* playwav.c
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* --------- 23 Fevrier 2005
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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 wav_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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int driver;
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ao_sample_format format;
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ao_device * device;
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char chaine[120];
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short * samples;
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int lu;
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long total_lu;
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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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{
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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, "smplrate %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 0x%x", sfinfo.format);
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mvwaddstr(popup, 5, 5, chaine);
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sprintf(chaine, "sections %d", sfinfo.sections);
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mvwaddstr(popup, 6, 5, chaine);
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wrefresh(popup);
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#if DEBUG_LEVEL > 1
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getch(); /* XXX */
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#endif
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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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{
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perror("memory shortage in WAV player");
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abort();
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}
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/*
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* initialize the "Cabasse Sampan" output device (aka libao)
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*/
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ao_initialize();
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driver = ao_default_driver_id();
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/* XXX valeurs provisoires XXX */
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memset(&format, 0, sizeof(ao_sample_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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device = ao_open_live(driver, &format, NULL);
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if (NULL==device)
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{
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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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* **********************
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* * the playing loop *
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* **********************
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*/
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total_lu = 0L;
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while ( (lu=sf_read_short(sndf, samples, T_BUFFER)) > 0 )
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{
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ao_play(device, (char *)samples, lu*2);
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total_lu += (long)lu;
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progress_bar(popup, total_lu/sfinfo.channels, sfinfo.frames, 0);
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wrefresh(popup);
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/* HERE WE HAVE TO DETECT A 'STOP LISTEN' FUNCTION. */
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}
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/*
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* shutdown "La voix du Theatre"
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*/
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ao_close(device); ao_shutdown();
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/*
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* memory release
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*/
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free(samples);
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/*
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* releasing 'sndfile' ressources
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*/
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sf_close(sndf);
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#if DEBUG_LEVEL
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fprintf(stderr, " end of %s\n", __func__);
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#endif
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return -1;
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}
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/*==------------------------------------------------------------------==*/
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