79 lines
1.5 KiB
C
79 lines
1.5 KiB
C
/*
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* NcLooper fonctions audio output
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <fcntl.h>
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#include <math.h>
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#include <ao/ao.h>
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#include <sndfile.h>
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#include "ao_output.h"
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/* --------------------------------------------------------------------- */
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extern int verbosity;
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#define T_BUFF_WAVES (16384*2)
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/* --------------------------------------------------------------------- */
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int blast_this_file(char *fname, ao_device *dev, int loop)
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{
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SNDFILE *sndf;
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SF_INFO sfinfo;
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int foo, lus, pass;
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short *buffer;
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#if DEBUG_LEVEL
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fprintf(stderr, ">>> %s ( '%s' %p %d )\n", __func__, fname, dev, loop);
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#endif
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buffer = calloc(T_BUFF_WAVES, sizeof(short)*2);
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if (NULL == buffer) {
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fprintf(stderr, "ALLOC FAIL, ABEND in %s\n", __func__);
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abort();
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}
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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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perror("sf_open");
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abort();
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}
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buffer = calloc(T_BUFF_WAVES, sizeof(short)*2);
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if (verbosity) {
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fprintf(stderr, "samplerate : %d\n", sfinfo.samplerate);
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fprintf(stderr, "frames : %ld\n", sfinfo.frames);
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fprintf(stderr, "seekable : %d\n", sfinfo.seekable);
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}
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for (pass=0; pass<loop; pass++) {
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sf_seek(sndf, 0, SEEK_SET);
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while ((lus = sf_read_short(sndf, buffer, T_BUFF_WAVES))) {
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#if DEBUG_LEVEL > 1
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fprintf(stderr, "%s : %d bytes read\n", fname, lus);
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#endif
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ao_play(dev, buffer, lus*2);
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}
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}
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/* do some cleanup */
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sf_close(sndf);
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free(buffer);
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return 0;
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}
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/* --------------------------------------------------------------------- */
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