debut de la partie son

audio/Makefile

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+#
+#	audio part of the phytotron
+#
+
+
+CC      = gcc
+CCOPT   = -Wall -g -DDEBUG_LEVEL=1
+LIBS	= -lao -lsndfile -lm 
+player.o:	player.c Makefile
+	 $(CC) ${CCOPT} -c $< 
+
+t.o:	t.c player.h Makefile
+	 $(CC) ${CCOPT} -c $< 
+
+t:	player.o t.o Makefile
+	$(CC) t.o player.o ${LIBS} -o t

audio/player.c

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+/*
+ *	Audio player for the phytotron
+ */
+ 
+#include  <stdio.h>
+#include  <unistd.h>
+#include  <string.h>
+#include  <fcntl.h>
+
+#include <ao/ao.h>
+#include <sndfile.h>
+
+/* --------------------------------------------------------------------- */
+
+#define   T_BUFF_WAVES          (8192*4)
+#define   T_FNAME               1000
+static ao_device                *device;
+static ao_sample_format         format;
+static int                      coefficient;
+static int16_t          	buffer[T_BUFF_WAVES];
+
+/* --------------------------------------------------------------------- */
+int init_waveout(int smplrate)
+{
+int                     default_driver;
+
+ao_initialize();
+
+default_driver = ao_default_driver_id();
+#if DEBUG_LEVEL
+fprintf(stderr, "%s : ao default driver #%d\n", __func__, default_driver);
+#endif
+
+memset(&format, 0, sizeof(format));
+format.bits = 16;
+format.channels = 2;
+format.rate = smplrate;
+format.byte_format = AO_FMT_LITTLE;
+
+device = ao_open_live(default_driver, &format, NULL);
+if (device == NULL) {
+        fprintf(stderr, "Error opening AO device.\n");
+        return -1;
+        }
+
+return 0;
+}
+
+/* --------------------------------------------------------------------- */
+int close_waveout(void)
+{
+ao_close(device);
+ao_shutdown();
+return 0;
+}
+/* --------------------------------------------------------------------- */
+
+int blast_this_file(char *fname)
+{
+SNDFILE                 *sndf;
+SF_INFO                 sfinfo;
+int			foo, lus;
+
+sndf = sf_open(fname, SFM_READ, &sfinfo);
+if (NULL==sndf)
+        {
+        perror("sf_open");
+        abort();
+        }
+
+#if DEBUG_LEVEL
+fprintf(stderr, "samplerate : %d\n", sfinfo.samplerate);
+fprintf(stderr, "frames     : %ld\n", sfinfo.frames);
+fprintf(stderr, "seekable   : %d\n", sfinfo.seekable);
+#endif
+
+while ((lus = sf_read_short(sndf, buffer, T_BUFF_WAVES)))
+        {
+#if DEBUG_LEVEL      
+	fprintf(stderr, "%s : %d bytes read\n", fname, lus);
+#endif
+
+
+	}
+	
+/* do some cleanup */
+sf_close(sndf);
+
+return -1;
+}
+
+
+/* --------------------------------------------------------------------- */
+
+
+
+
+/* --------------------------------------------------------------------- */

audio/player.h

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+
+
+int blast_this_file(char *fname);

audio/t.c

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+/*
+ *	Audio player for the phytotron
+ */
+ 
+#include  <stdio.h>
+
+
+#include  "player.h"
+
+/* --------------------------------------------------------------------- */
+
+int main(int argc, char *argv[])
+{
+char		*wavname = "1337.wav";
+int		foo;
+
+
+foo = blast_this_file(wavname);
+fprintf(stderr, "audio blaster -> %d\n", foo);
+
+return 0;
+}
+/* --------------------------------------------------------------------- */