Initial commit of mpg123-1.29.3

src/tests/decode_fixed.c

@@ -0,0 +1,63 @@
+#include "compat.h"
+#include <mpg123.h>
+#include "debug.h"
+
+
+int work(mpg123_handle *mh, int ch, int enc)
+{
+	int16_t buffer[16348];
+	long rate;
+	int channels, encoding;
+	if(mpg123_getformat(mh, &rate, &channels, &encoding) != MPG123_OK)
+		return 1;
+	if(channels != ch || encoding != enc)
+	{
+		error("channel/encoding mismatch");
+		return 1;
+	}
+	fprintf(stderr, "openend fixed track with %ld %d %d\n"
+	,	rate, channels, encoding );
+	int ret;
+	size_t done;
+	while( (ret=mpg123_read(mh, buffer, sizeof(buffer), &done)) == MPG123_OK)
+	{
+		if(!done)
+			continue;
+		fprintf(stderr, "Got first sample %d and last sample %d out of %zu\n"
+		,	buffer[0], buffer[done/sizeof(*buffer)-1], done/sizeof(*buffer) );
+		unintr_write(STDOUT_FILENO, buffer, done);
+	}
+	if(ret != MPG123_DONE)
+	{
+		merror( "wrong mpg123_read() return value %d (%s, %s)"
+		,	ret, mpg123_plain_strerror(ret), mpg123_strerror(mh) );
+		return 1;
+	} else
+	return 0;
+}
+
+int main(int argc, char **argv)
+{
+	int ret = 1;
+	int enc = MPG123_ENC_SIGNED_16;
+	if(!mpg123_feature2(MPG123_FEATURE_OUTPUT_16BIT))
+	{
+		error("Libmpg123 doesn't do 16 bit output, cannot test.");
+		return 1;
+	}
+	if(argc < 2)
+	{
+		printf("Gimme a MPEG file name...\n");
+		return 0;
+	}
+	// Intentionally no error checking here. Let's see how the lib deals with it.
+	mpg123_handle *mh = mpg123_new(NULL, NULL);
+	// Try to set decoder to generic to avoid memory sanitizer freaking out about
+	// asssembly synth routines.
+	mpg123_decoder(mh, "generic");
+	// Let's fix it to mono.
+	if(mpg123_open_fixed(mh, argv[1], MPG123_MONO, enc) == MPG123_OK)
+		ret = work(mh, 1, enc);
+	mpg123_delete(mh);
+	return ret;
+}