From 63710ff5a6fb51715aac83ca9374ef47f97d6120 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Tue, 21 Apr 2009 22:46:41 +0200
Subject: test: added program "read_mixer"

This little program is used to test mixer plugins in an isolated
environment.  This is ALSA-only currently, because we don't have a
real "plugin list" yet, and I'm too lazy to implement a switch.
---
 .gitignore        |  1 +
 Makefile.am       | 14 ++++++++----
 test/read_mixer.c | 68 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 79 insertions(+), 4 deletions(-)
 create mode 100644 test/read_mixer.c

diff --git a/.gitignore b/.gitignore
index 4e32de1b..0a02de81 100644
--- a/.gitignore
+++ b/.gitignore
@@ -47,3 +47,4 @@ test/run_encoder
 test/run_output
 test/read_conf
 test/run_input
+test/read_mixer
diff --git a/Makefile.am b/Makefile.am
index 2b77a3ba..247bc327 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -594,6 +594,7 @@ noinst_PROGRAMS = \
 	test/read_tags \
 	test/run_encoder \
 	test/run_output \
+	test/read_mixer \
 	test/software_volume
 
 test_read_conf_CPPFLAGS = $(AM_CPPFLAGS) \
@@ -690,10 +691,15 @@ test_run_output_SOURCES = test/run_output.c \
 	$(MIXER_SRC) \
 	$(OUTPUT_SRC)
 
-if HAVE_ID3TAG
-test_run_decoder_SOURCES += src/tag_id3.c src/riff.c src/aiff.c
-test_read_tags_SOURCES += src/tag_id3.c src/riff.c src/aiff.c
-endif
+test_read_mixer_CPPFLAGS = $(AM_CPPFLAGS) \
+	$(OUTPUT_CFLAGS)
+test_read_mixer_LDADD = $(MPD_LIBS) \
+	$(OUTPUT_LIBS) \
+	$(GLIB_LIBS)
+test_read_mixer_SOURCES = test/read_mixer.c \
+	src/conf.c src/buffer2array.c src/utils.c src/log.c \
+	src/mixer_control.c src/mixer_api.c \
+	$(MIXER_SRC)
 
 endif
 
diff --git a/test/read_mixer.c b/test/read_mixer.c
new file mode 100644
index 00000000..be6864ba
--- /dev/null
+++ b/test/read_mixer.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2003-2009 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "mixer_control.h"
+#include "mixer_list.h"
+
+#include <glib.h>
+
+#include <assert.h>
+#include <string.h>
+#include <unistd.h>
+
+int main(int argc, G_GNUC_UNUSED char **argv)
+{
+	struct mixer *mixer;
+	bool success;
+	int volume;
+
+	if (argc != 2) {
+		g_printerr("Usage: read_mixer PLUGIN\n");
+		return 1;
+	}
+
+	g_thread_init(NULL);
+
+	mixer = mixer_new(&alsa_mixer, NULL);
+	if (mixer == NULL) {
+		g_printerr("mixer_new() failed\n");
+		return 2;
+	}
+
+	success = mixer_open(mixer);
+	if (!success) {
+		mixer_free(mixer);
+		g_printerr("failed to open the mixer\n");
+		return 2;
+	}
+
+	volume = mixer_get_volume(mixer);
+	mixer_close(mixer);
+	mixer_free(mixer);
+
+	assert(volume >= -1 && volume <= 100);
+
+	if (volume < 0) {
+		g_printerr("failed to read volume\n");
+		return 2;
+	}
+
+	g_print("%d\n", volume);
+	return 0;
+}
-- 
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