ABX<->WAV converter; ABX code modularized, ABX encoder added, direct WAV file io

git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@3596 8092fc87-c524-0410-9efc-e669fe64eaf9
2011-05-04 20:19:27 +00:00
parent ede7d2a545
commit c18134d041
13 changed files with 1925 additions and 315 deletions
@@ -0,0 +1,90 @@
+/*
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * ABX to WAVE converter: By Serge van den Boom (svdb@stack.nl)
+ * Modularized and wave output by Alex Volkov (codepro@usa.net)
+ *
+ * So far, it ignores sample rates, so it will work ok as long as all
+ * the frames have the same frequency. This is probably
+ * enough for our purposes.
+ * 
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "abx.h"
+#include "wav.h"
+
+void convert_abx_to_wave(abx_File *abx, wave_File *wave);
+
+int
+main(int argc, char *argv[]) {
+	wave_File wave;
+	abx_File abx;
+
+	if (argc != 3) {
+		fprintf(stderr, "abx2wav <infile> <outfile>\n");
+		return EXIT_FAILURE;
+	}
+
+	if (!abx_open(&abx, argv[1])) {
+		perror("Could not open input file");
+		return EXIT_FAILURE;
+	}
+
+	if (!wave_create(&wave, argv[2])) {
+		perror("Could not open output file");
+		return EXIT_FAILURE;
+	}
+
+	convert_abx_to_wave(&abx, &wave);
+
+	wave_close(&wave);
+	abx_close(&abx);
+	return EXIT_SUCCESS;
+}
+
+void
+convert_abx_to_wave(abx_File *abx, wave_File *wave) {
+
+	uint32_t bufsize;
+	uint8_t *buf;
+	uint32_t bytes;
+
+	wave_setFormat(wave, 1, 8, abx->freq);
+
+	bufsize = abx_getMaxBuffer(abx);
+	buf = malloc(bufsize);
+	if (!buf) {
+		perror("alloc buffer");
+        exit(EXIT_FAILURE);
+	}
+
+	for (bytes = abx_readFrame(abx, buf, bufsize); bytes > 0; ) {
+		if (wave_writeData(wave, buf, bytes) != bytes) {
+			fprintf(stderr, "Cannot write wave: %s\n", strerror(wave->last_error));
+			break;
+		}
+		bytes = abx_readFrame(abx, buf, bufsize);
+	}
+	if (bytes == 0 && abx->last_error != 0)
+		fprintf(stderr, "Cannot read abx: %s\n", strerror(abx->last_error));
+
+	free(buf);
+}