updated mpg123 to 1.17.0

jni/mpg123-1.17.0/src/streamdump.c

@@ -0,0 +1,74 @@
+/*
+	streamdump: Dumping a copy of the input data.
+
+	copyright 2010 by the mpg123 project - free software under the terms of the LGPL 2.1
+	see COPYING and AUTHORS files in distribution or http://mpg123.org
+	initially written by Michael Hipp
+*/
+
+#include "streamdump.h"
+#include <fcntl.h>
+#include <errno.h>
+#include "debug.h"
+
+/* Stream dump descriptor. */
+static int dump_fd = -1;
+
+/* Read data from input, write copy to dump file. */
+static ssize_t dump_read(int fd, void *buf, size_t count)
+{
+	ssize_t ret = read(fd, buf, count);
+	if(ret > 0 && dump_fd > -1)
+	{
+		write(dump_fd, buf, ret);
+	}
+	return ret;
+}
+
+/* Also mirror seeks, to prevent messed up dumps of seekable streams. */
+static off_t dump_seek(int fd, off_t pos, int whence)
+{
+	off_t ret = lseek(fd, pos, whence);
+	if(ret >= 0 && dump_fd > -1)
+	{
+		lseek(dump_fd, pos, whence);
+	}
+	return ret;
+}
+
+/* External API... open and close. */
+int dump_open(mpg123_handle *mh)
+{
+	int ret;
+
+	if(param.streamdump == NULL) return 0;
+
+	if(!param.quiet) fprintf(stderr, "Note: Dumping stream to %s\n", param.streamdump);
+
+	dump_fd = compat_open(param.streamdump, O_CREAT|O_TRUNC|O_RDWR);
+	if(dump_fd < 0)
+	{
+		error1("Failed to open dump file: %s\n", strerror(errno));
+		return -1;
+	}
+
+#ifdef WIN32
+	_setmode(dump_fd, _O_BINARY);
+#endif
+
+	ret = mpg123_replace_reader(mh, dump_read, dump_seek);
+	if(ret != MPG123_OK)
+	{
+		error1("Unable to replace reader for stream dump: %s\n", mpg123_strerror(mh));
+		dump_close();
+		return -1;
+	}
+	else return 0;
+}
+
+void dump_close(void)
+{
+	if(dump_fd > -1) compat_close(dump_fd);
+
+	dump_fd = -1;
+}