wav/text convertors now working

SoundBrotching/c-tools/wav2text.c

@@ -0,0 +1,98 @@
+/*
+ *	WAV TO TEXT
+ */
+
+#include  <stdio.h>
+#include  <stdlib.h>
+#include  <string.h>
+
+#include  <sndfile.h>
+
+#include  "support.h"
+
+/* --------------------------------------------------------------- */
+/*
+ *	at this time, 'format' must be 0
+ */
+int convert_wav_to_text(char *infname, int format)
+{
+SNDFILE			* sndf;
+SF_INFO			sfinfo;
+int			foo, lu;
+short			* samples;
+
+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( '%s' )\n", __func__, infname);
+#endif
+
+if (format) {
+	fprintf(stderr, "in %s, format must be 0 and was %d\n",
+				__func__,		format);
+	exit(1);
+	}
+
+memset(&sfinfo, 0, sizeof(sfinfo));		/* be clean */
+
+sndf = sf_open(infname, SFM_READ, &sfinfo);
+if (sndf==NULL)
+	{
+	/*catch the snfile errmsg here XXX */
+	fprintf(stderr, "error sf_opening %s\n", infname);
+	exit(1);
+	}
+
+foo = display_sf_info(&sfinfo, infname);
+if (foo) {
+	fprintf(stderr, "%s: corrupted sf_info ?\n", __func__);
+	abort();
+	}
+if (2 != sfinfo.channels) {
+	fprintf(stderr, "/!\\  %s is not a stereo file, exiting...\n",
+				infname);
+	return -2;
+	}
+
+/* get memory for bufferins read from sound file */
+if ( NULL == (samples = malloc(BUFFER_SIZE*sizeof(short))) )
+	{
+	perror("\n no memory in converter");
+	abort();
+	}
+
+while ( (lu=sf_read_short(sndf, samples, BUFFER_SIZE)) > 0 )
+	{
+	// fprintf(stderr, "   LU  = %5u\n", lu);
+
+	for (foo=0; foo<lu; foo+=2) {
+		printf("%d %d\n", samples[foo], samples[foo+1]);
+		}
+	}
+/*
+ *	job done, some cleanup
+ */
+free(samples);
+sf_close(sndf);
+
+return 0;
+}
+/* --------------------------------------------------------------- */
+void usage(void)
+{
+printf("usage:\n\twav2txt 1337.wav\n");
+exit(0);
+}
+/* --------------------------------------------------------------- */
+int main(int argc, char *argv[])
+{
+int			foo;
+int			format = 0;
+print_version(argv[0]);
+
+if (2 != argc)		usage();
+
+foo = convert_wav_to_text(argv[1], format);
+fprintf(stderr, "got a %d from wav->text converter\n", foo);
+
+return 0;
+}
+/* --------------------------------------------------------------- */