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-rw-r--r--src/decoder/mikmod_plugin.c257
1 files changed, 257 insertions, 0 deletions
diff --git a/src/decoder/mikmod_plugin.c b/src/decoder/mikmod_plugin.c
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+++ b/src/decoder/mikmod_plugin.c
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+/* the Music Player Daemon (MPD)
+ * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
+ * This project's homepage is: 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 "../decoder_api.h"
+
+#include <glib.h>
+#include <mikmod.h>
+
+/* this is largely copied from alsaplayer */
+
+#define MIKMOD_FRAME_SIZE 4096
+
+static BOOL mod_mpd_Init(void)
+{
+ return VC_Init();
+}
+
+static void mod_mpd_Exit(void)
+{
+ VC_Exit();
+}
+
+static void mod_mpd_Update(void)
+{
+}
+
+static BOOL mod_mpd_IsThere(void)
+{
+ return 1;
+}
+
+static char drv_name[] = "MPD";
+static char drv_version[] = "MPD Output Driver v0.1";
+
+#if (LIBMIKMOD_VERSION > 0x030106)
+static char drv_alias[] = "mpd";
+#endif
+
+static MDRIVER drv_mpd = {
+ NULL,
+ drv_name,
+ drv_version,
+ 0,
+ 255,
+#if (LIBMIKMOD_VERSION > 0x030106)
+ drv_alias,
+#if (LIBMIKMOD_VERSION >= 0x030200)
+ NULL, /* CmdLineHelp */
+#endif
+ NULL, /* CommandLine */
+#endif
+ mod_mpd_IsThere,
+ VC_SampleLoad,
+ VC_SampleUnload,
+ VC_SampleSpace,
+ VC_SampleLength,
+ mod_mpd_Init,
+ mod_mpd_Exit,
+ NULL,
+ VC_SetNumVoices,
+ VC_PlayStart,
+ VC_PlayStop,
+ mod_mpd_Update,
+ NULL,
+ VC_VoiceSetVolume,
+ VC_VoiceGetVolume,
+ VC_VoiceSetFrequency,
+ VC_VoiceGetFrequency,
+ VC_VoiceSetPanning,
+ VC_VoiceGetPanning,
+ VC_VoicePlay,
+ VC_VoiceStop,
+ VC_VoiceStopped,
+ VC_VoiceGetPosition,
+ VC_VoiceRealVolume
+};
+
+static bool mod_initMikMod(void)
+{
+ static char params[] = "";
+
+ md_device = 0;
+ md_reverb = 0;
+
+ MikMod_RegisterDriver(&drv_mpd);
+ MikMod_RegisterAllLoaders();
+
+ md_pansep = 64;
+ md_mixfreq = 44100;
+ md_mode = (DMODE_SOFT_MUSIC | DMODE_INTERP | DMODE_STEREO |
+ DMODE_16BITS);
+
+ if (MikMod_Init(params)) {
+ g_warning("Could not init MikMod: %s\n",
+ MikMod_strerror(MikMod_errno));
+ return false;
+ }
+
+ return true;
+}
+
+static void mod_finishMikMod(void)
+{
+ MikMod_Exit();
+}
+
+typedef struct _mod_Data {
+ MODULE *moduleHandle;
+ SBYTE audio_buffer[MIKMOD_FRAME_SIZE];
+} mod_Data;
+
+static mod_Data *mod_open(const char *path)
+{
+ char *path2;
+ MODULE *moduleHandle;
+ mod_Data *data;
+
+ path2 = g_strdup(path);
+ moduleHandle = Player_Load(path2, 128, 0);
+ g_free(path2);
+
+ if (moduleHandle == NULL)
+ return NULL;
+
+ /* Prevent module from looping forever */
+ moduleHandle->loop = 0;
+
+ data = g_new(mod_Data, 1);
+ data->moduleHandle = moduleHandle;
+
+ Player_Start(data->moduleHandle);
+
+ return data;
+}
+
+static void mod_close(mod_Data * data)
+{
+ Player_Stop();
+ Player_Free(data->moduleHandle);
+ free(data);
+}
+
+static void
+mod_decode(struct decoder *decoder, const char *path)
+{
+ mod_Data *data;
+ struct audio_format audio_format;
+ float total_time = 0.0;
+ int ret;
+ float secPerByte;
+ enum decoder_command cmd = DECODE_COMMAND_NONE;
+
+ if (!(data = mod_open(path))) {
+ g_warning("failed to open mod: %s\n", path);
+ MikMod_Exit();
+ return;
+ }
+
+ audio_format.bits = 16;
+ audio_format.sample_rate = 44100;
+ audio_format.channels = 2;
+
+ secPerByte =
+ 1.0 / ((audio_format.bits * audio_format.channels / 8.0) *
+ (float)audio_format.sample_rate);
+
+ decoder_initialized(decoder, &audio_format, false, 0);
+
+ while (cmd == DECODE_COMMAND_NONE && Player_Active()) {
+ ret = VC_WriteBytes(data->audio_buffer, MIKMOD_FRAME_SIZE);
+ total_time += ret * secPerByte;
+ cmd = decoder_data(decoder, NULL,
+ data->audio_buffer, ret,
+ total_time, 0, NULL);
+ }
+
+ mod_close(data);
+
+ MikMod_Exit();
+}
+
+static struct tag *modTagDup(const char *file)
+{
+ char *path2;
+ struct tag *ret = NULL;
+ MODULE *moduleHandle;
+ char *title;
+
+ path2 = g_strdup(file);
+ moduleHandle = Player_Load(path2, 128, 0);
+ g_free(path2);
+
+ if (moduleHandle == NULL) {
+ g_debug("modTagDup: Failed to open file: %s\n", file);
+ MikMod_Exit();
+ return NULL;
+
+ }
+ Player_Free(moduleHandle);
+
+ ret = tag_new();
+
+ ret->time = 0;
+
+ path2 = g_strdup(file);
+ title = g_strdup(Player_LoadTitle(path2));
+ g_free(path2);
+ if (title)
+ tag_add_item(ret, TAG_ITEM_TITLE, title);
+
+ MikMod_Exit();
+
+ return ret;
+}
+
+static const char *const modSuffixes[] = {
+ "amf",
+ "dsm",
+ "far",
+ "gdm",
+ "imf",
+ "it",
+ "med",
+ "mod",
+ "mtm",
+ "s3m",
+ "stm",
+ "stx",
+ "ult",
+ "uni",
+ "xm",
+ NULL
+};
+
+const struct decoder_plugin mikmod_decoder_plugin = {
+ .name = "mikmod",
+ .init = mod_initMikMod,
+ .finish = mod_finishMikMod,
+ .file_decode = mod_decode,
+ .tag_dup = modTagDup,
+ .suffixes = modSuffixes,
+};