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ip/mikmod.c

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+/*
+ * Adapted from AlsaPlayer 0.99.76
+ *
+ * mikmod_engine.c
+ * Copyright (C) 1999 Paul N. Fisher <rao@gnu.org>
+ * Copyright (C) 2002 Andy Lo A Foe <andy@alsaplayer.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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "../ip.h"
+#include "../xmalloc.h"
+#include <mikmod.h>
+#include "../debug.h"
+#include "../comment.h"
+
+struct mik_private {
+	MODULE *file;
+};
+
+static int mikmod_init(void)
+{
+	static int inited = 0;
+
+	if (inited)
+		return 1;
+
+	MikMod_RegisterAllDrivers();
+	MikMod_RegisterAllLoaders();
+
+	md_reverb = 0;
+	/* we should let the user decide which one is better... */
+	md_mode = DMODE_SOFT_MUSIC | DMODE_SOFT_SNDFX | DMODE_STEREO |
+		DMODE_16BITS | DMODE_INTERP;
+
+	if (MikMod_Init(NULL)) {
+		d_print("Could not initialize mikmod, reason: %s\n",
+				MikMod_strerror(MikMod_errno));
+		return 0;
+	}
+
+	inited = 1;
+	return 1;
+}
+
+static int mik_open(struct input_plugin_data *ip_data)
+{
+	MODULE *mf = NULL;
+	struct mik_private *priv;
+	int mi = mikmod_init();
+
+	if (!mi)
+		return -IP_ERROR_INTERNAL;
+
+	mf = Player_Load(ip_data->filename, 255, 0);
+
+	if (!mf)
+		return -IP_ERROR_ERRNO;
+
+	priv = xnew(struct mik_private, 1);
+	priv->file = mf;
+
+	ip_data->private = priv;
+	ip_data->sf = sf_bits(16) | sf_rate(44100) | sf_channels(2) | sf_signed(1);
+	ip_data->sf |= sf_host_endian();
+	channel_map_init_stereo(ip_data->channel_map);
+	return 0;
+}
+
+static int mik_close(struct input_plugin_data *ip_data)
+{
+	struct mik_private *priv = ip_data->private;
+
+	Player_Stop();
+	Player_Free(priv->file);
+	free(ip_data->private);
+	ip_data->private = NULL;
+	return 0;
+}
+
+static int mik_read(struct input_plugin_data *ip_data, char *buffer, int count)
+{
+	int length;
+	struct mik_private *priv = ip_data->private;
+
+	if (!Player_Active())
+		Player_Start(priv->file);
+
+	if (!Player_Active())
+		return 0;
+
+	length = VC_WriteBytes(buffer, count);
+
+	return length;
+}
+
+static int mik_seek(struct input_plugin_data *ip_data, double offset)
+{
+	/* cannot seek in modules properly */
+	return -IP_ERROR_FUNCTION_NOT_SUPPORTED;
+}
+
+static int mik_read_comments(struct input_plugin_data *ip_data, struct keyval **comments)
+{
+	struct mik_private *priv = ip_data->private;
+	GROWING_KEYVALS(c);
+	const char *val;
+
+	val = priv->file->songname;
+	if (val && val[0])
+		comments_add_const(&c, "title", val);
+
+	val = priv->file->comment;
+	if (val && val[0])
+		comments_add_const(&c, "comment", val);
+
+	keyvals_terminate(&c);
+	*comments = c.keyvals;
+	return 0;
+}
+
+static int mik_duration(struct input_plugin_data *ip_data)
+{
+	return -IP_ERROR_FUNCTION_NOT_SUPPORTED;
+}
+
+static long mik_bitrate(struct input_plugin_data *ip_data)
+{
+	return -IP_ERROR_FUNCTION_NOT_SUPPORTED;
+}
+
+static char *mik_codec(struct input_plugin_data *ip_data)
+{
+	struct mik_private *priv = ip_data->private;
+	const char *codec = priv->file->modtype;
+	return (codec && codec[0]) ? xstrdup(codec) : NULL;
+}
+
+static char *mik_codec_profile(struct input_plugin_data *ip_data)
+{
+	return NULL;
+}
+
+const struct input_plugin_ops ip_ops = {
+	.open = mik_open,
+	.close = mik_close,
+	.read = mik_read,
+	.seek = mik_seek,
+	.read_comments = mik_read_comments,
+	.duration = mik_duration,
+	.bitrate = mik_bitrate,
+	.bitrate_current = mik_bitrate,
+	.codec = mik_codec,
+	.codec_profile = mik_codec_profile
+};
+
+const int ip_priority = 40;
+const char * const ip_extensions[] = {
+	"mod", "s3m", "xm", "it", "669", "amf", "dsm",
+	"far", "med", "mtm", "stm", "ult",
+	NULL
+};
+const char * const ip_mime_types[] = { NULL };
+const struct input_plugin_opt ip_options[] = { { NULL } };
+const unsigned ip_abi_version = IP_ABI_VERSION;