Simulator first commit

node_modules/lame/deps/mpg123/doc/examples/mpglib.c

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+/*
+	mpglib: test program for libmpg123, in the style of the legacy mpglib test program
+
+	copyright 2007 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 Thomas Orgis
+*/
+
+#include <mpg123.h>
+
+/* unistd.h is not available under MSVC, 
+ io.h defines the read and write functions */
+#ifndef _MSC_VER
+#include <unistd.h>
+#else
+#include <io.h>
+#endif
+
+#ifdef _WIN32
+#include <fcntl.h>
+#endif
+
+#include <stdio.h>
+
+#define INBUFF  16384
+#define OUTBUFF 32768 
+
+int main(int argc, char **argv)
+{
+	size_t size;
+	unsigned char buf[INBUFF];  /* input buffer  */
+	unsigned char out[OUTBUFF]; /* output buffer */
+	ssize_t len;
+	int ret;
+	size_t in = 0, outc = 0;
+	mpg123_handle *m;
+
+#ifdef _WIN32
+_setmode(_fileno(stdin),_O_BINARY);
+_setmode(_fileno(stdout),_O_BINARY);
+#endif
+
+	mpg123_init();
+	m = mpg123_new(argc > 1 ? argv[1] : NULL, &ret);
+	if(m == NULL)
+	{
+		fprintf(stderr,"Unable to create mpg123 handle: %s\n", mpg123_plain_strerror(ret));
+		return -1;
+	}
+	mpg123_param(m, MPG123_VERBOSE, 2, 0); /* Brabble a bit about the parsing/decoding. */
+
+	/* Now mpg123 is being prepared for feeding. The main loop will read chunks from stdin and feed them to mpg123;
+	   then take decoded data as available to write to stdout. */
+	mpg123_open_feed(m);
+	if(m == NULL) return -1;
+
+	fprintf(stderr, "Feed me some MPEG audio to stdin, I will decode to stdout.\n");
+	while(1) /* Read and write until everything is through. */
+	{
+		len = read(0,buf,INBUFF);
+		if(len <= 0)
+		{
+			fprintf(stderr, "input data end\n");
+			break;
+		}
+		in += len;
+		/* Feed input chunk and get first chunk of decoded audio. */
+		ret = mpg123_decode(m,buf,len,out,OUTBUFF,&size);
+		if(ret == MPG123_NEW_FORMAT)
+		{
+			long rate;
+			int channels, enc;
+			mpg123_getformat(m, &rate, &channels, &enc);
+			fprintf(stderr, "New format: %li Hz, %i channels, encoding value %i\n", rate, channels, enc);
+		}
+		write(1,out,size);
+		outc += size;
+		while(ret != MPG123_ERR && ret != MPG123_NEED_MORE)
+		{ /* Get all decoded audio that is available now before feeding more input. */
+			ret = mpg123_decode(m,NULL,0,out,OUTBUFF,&size);
+			write(1,out,size);
+			outc += size;
+		}
+		if(ret == MPG123_ERR){ fprintf(stderr, "some error: %s", mpg123_strerror(m)); break; }
+	}
+	fprintf(stderr, "%lu bytes in, %lu bytes out\n", (unsigned long)in, (unsigned long)outc);
+
+	/* Done decoding, now just clean up and leave. */
+	mpg123_delete(m);
+	mpg123_exit();
+	return 0;
+}