test: added encoder test program

Added a command line program which runs an encoder plugin.

.gitignore

@@ -41,3 +41,4 @@ doc/protocol
 doc/api
 test/software_volume
 test/run_decoder
+test/run_encoder

Makefile.am

@@ -504,6 +504,7 @@ if ENABLE_TEST
 
 noinst_PROGRAMS = \
 	test/run_decoder \
+	test/run_encoder \
 	test/software_volume
 
 test_run_decoder_CPPFLAGS = $(AM_CPPFLAGS) \
@@ -521,6 +522,14 @@ test_run_decoder_SOURCES = test/run_decoder.c \
 	$(INPUT_SRC) \
 	$(DECODER_SRC)
 
+test_run_encoder_SOURCES = test/run_encoder.c \
+	src/conf.c src/buffer2array.c \
+	src/utils.c \
+	src/audio_parser.c \
+	$(ENCODER_SRC)
+test_run_encoder_LDADD = $(MPD_LIBS) \
+	$(ENCODER_LIBS)
+
 test_software_volume_SOURCES = test/software_volume.c \
 	src/audio_parser.c \
 	src/pcm_volume.c

test/run_encoder.c

@@ -0,0 +1,114 @@
+/*
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include "encoder_list.h"
+#include "encoder_plugin.h"
+#include "audio_format.h"
+#include "audio_parser.h"
+#include "conf.h"
+
+#include <glib.h>
+
+#include <stddef.h>
+#include <unistd.h>
+
+int main(int argc, char **argv)
+{
+	GError *error = NULL;
+	struct audio_format audio_format = {
+		.sample_rate = 44100,
+		.bits = 16,
+		.channels = 2,
+	};
+	bool ret;
+	const char *encoder_name;
+	const struct encoder_plugin *plugin;
+	struct encoder *encoder;
+	struct config_param *param;
+	static char buffer[32768];
+	ssize_t nbytes;
+
+	/* parse command line */
+
+	if (argc > 3) {
+		g_printerr("Usage: run_encoder [ENCODER] [FORMAT] <IN >OUT\n");
+		return 1;
+	}
+
+	if (argc > 1)
+		encoder_name = argv[1];
+	else
+		encoder_name = "vorbis";
+
+	/* create the encoder */
+
+	plugin = encoder_plugin_get(encoder_name);
+	if (plugin == NULL) {
+		g_printerr("No such encoder: %s\n", encoder_name);
+		return 1;
+	}
+
+	param = newConfigParam(NULL, -1);
+	addBlockParam(param, "quality", "5.0", -1);
+
+	encoder = encoder_init(plugin, param, &error);
+	if (encoder == NULL) {
+		g_printerr("Failed to initialize encoder: %s\n",
+			   error->message);
+		g_error_free(error);
+		return 1;
+	}
+
+	/* open the encoder */
+
+	if (argc > 2) {
+		ret = audio_format_parse(&audio_format, argv[2], &error);
+		if (!ret) {
+			g_printerr("Failed to parse audio format: %s\n",
+				   error->message);
+			g_error_free(error);
+			return 1;
+		}
+	}
+
+	ret = encoder_open(encoder, &audio_format, &error);
+	if (encoder == NULL) {
+		g_printerr("Failed to open encoder: %s\n",
+			   error->message);
+		g_error_free(error);
+		return 1;
+	}
+
+	/* do it */
+
+	while ((nbytes = read(0, buffer, sizeof(buffer))) > 0) {
+		size_t length;
+
+		ret = encoder_write(encoder, buffer, nbytes, &error);
+		if (!ret) {
+			g_printerr("encoder_write() failed: %s\n",
+				   error->message);
+			g_error_free(error);
+			return 1;
+		}
+
+		length = encoder_read(encoder, buffer, sizeof(buffer));
+		if (length > 0)
+			write(1, buffer, length);
+	}
+}