99 lines
2.1 KiB
C
99 lines
2.1 KiB
C
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/*
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* Audio player for the phytotron
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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 <ao/ao.h>
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#include <sndfile.h>
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/* --------------------------------------------------------------------- */
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#define T_BUFF_WAVES (8192*4)
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#define T_FNAME 1000
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static ao_device *device;
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static ao_sample_format format;
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static int coefficient;
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static int16_t buffer[T_BUFF_WAVES];
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/* --------------------------------------------------------------------- */
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int init_waveout(int smplrate)
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{
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int default_driver;
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ao_initialize();
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default_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__, default_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 = 2;
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format.rate = smplrate;
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format.byte_format = AO_FMT_LITTLE;
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device = ao_open_live(default_driver, &format, NULL);
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if (device == NULL) {
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fprintf(stderr, "Error opening AO device.\n");
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return -1;
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}
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return 0;
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}
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/* --------------------------------------------------------------------- */
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int close_waveout(void)
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{
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ao_close(device);
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ao_shutdown();
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return 0;
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}
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/* --------------------------------------------------------------------- */
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int blast_this_file(char *fname)
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{
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SNDFILE *sndf;
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SF_INFO sfinfo;
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int foo, lus;
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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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#if DEBUG_LEVEL
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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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#endif
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while ((lus = sf_read_short(sndf, buffer, T_BUFF_WAVES)))
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{
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#if DEBUG_LEVEL
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fprintf(stderr, "%s : %d bytes read\n", fname, lus);
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#endif
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}
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/* do some cleanup */
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sf_close(sndf);
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return -1;
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}
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/* --------------------------------------------------------------------- */
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/* --------------------------------------------------------------------- */
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