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authorMax Kellermann <max@duempel.org>2009-02-11 20:31:17 +0100
committerMax Kellermann <max@duempel.org>2009-02-11 20:31:17 +0100
commit1136f6fb7a2a6a0a5bfba0dcf99410d1bbf04252 (patch)
treeb2456b7bb8c4d521933f5ae6e96db4b2c2675e09 /src/decoder
parent82fee1390c072e508309a947b1889e7cc56795a4 (diff)
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sidplay: new decoder plugin for playing C64 SID files
Diffstat (limited to 'src/decoder')
-rw-r--r--src/decoder/sidplay_plugin.cxx161
1 files changed, 161 insertions, 0 deletions
diff --git a/src/decoder/sidplay_plugin.cxx b/src/decoder/sidplay_plugin.cxx
new file mode 100644
index 000000000..cea7f84db
--- /dev/null
+++ b/src/decoder/sidplay_plugin.cxx
@@ -0,0 +1,161 @@
+/*
+ * 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
+ */
+
+extern "C" {
+#include "../decoder_api.h"
+}
+
+#include <glib.h>
+
+#include <sidplay/sidplay2.h>
+#include <sidplay/builders/resid.h>
+
+#undef G_LOG_DOMAIN
+#define G_LOG_DOMAIN "sidplay"
+
+static void
+sidplay_file_decode(struct decoder *decoder, const char *path_fs)
+{
+ int ret;
+
+ /* load the tune */
+
+ SidTune tune(path_fs, NULL, true);
+ if (!tune) {
+ g_warning("failed to load file");
+ return;
+ }
+
+ tune.selectSong(1);
+
+ /* initialize the player */
+
+ sidplay2 player;
+ int iret = player.load(&tune);
+ if (iret != 0) {
+ g_warning("sidplay2.load() failed: %s", player.error());
+ return;
+ }
+
+ /* initialize the builder */
+
+ ReSIDBuilder builder("ReSID");
+ if (!builder) {
+ g_warning("failed to initialize ReSIDBuilder");
+ return;
+ }
+
+ builder.create(player.info().maxsids);
+ if (!builder) {
+ g_warning("ReSIDBuilder.create() failed");
+ return;
+ }
+
+ builder.filter(false);
+ if (!builder) {
+ g_warning("ReSIDBuilder.filter() failed");
+ return;
+ }
+
+ /* configure the player */
+
+ sid2_config_t config = player.config();
+
+ config.clockDefault = SID2_CLOCK_PAL;
+ config.clockForced = true;
+ config.clockSpeed = SID2_CLOCK_CORRECT;
+ config.frequency = 48000;
+ config.optimisation = SID2_DEFAULT_OPTIMISATION;
+ config.playback = sid2_stereo;
+ config.precision = 16;
+ config.sidDefault = SID2_MOS6581;
+ config.sidEmulation = &builder;
+ config.sidModel = SID2_MODEL_CORRECT;
+ config.sidSamples = true;
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+ config.sampleFormat = SID2_LITTLE_SIGNED;
+#else
+ config.sampleFormat = SID2_BIG_SIGNED;
+#endif
+
+ iret = player.config(config);
+ if (iret != 0) {
+ g_warning("sidplay2.config() failed: %s", player.error());
+ return;
+ }
+
+ /* initialize the MPD decoder */
+
+ struct audio_format audio_format;
+ audio_format.sample_rate = 48000;
+ audio_format.bits = 16;
+ audio_format.channels = 2;
+
+ decoder_initialized(decoder, &audio_format, false, -1);
+
+ /* .. and play */
+
+ enum decoder_command cmd;
+ do {
+ char buffer[4096];
+ size_t nbytes;
+
+ nbytes = player.play(buffer, sizeof(buffer));
+ if (nbytes == 0)
+ break;
+
+ cmd = decoder_data(decoder, NULL, buffer, nbytes,
+ 0, 0, NULL);
+ } while (cmd == DECODE_COMMAND_NONE);
+}
+
+static struct tag *
+sidplay_tag_dup(const char *path_fs)
+{
+ SidTune tune(path_fs, NULL, true);
+ if (!tune)
+ return NULL;
+
+ const SidTuneInfo &info = tune.getInfo();
+ struct tag *tag = tag_new();
+
+ if (info.numberOfInfoStrings > 0 && info.infoString[0] != NULL)
+ tag_add_item(tag, TAG_ITEM_TITLE, info.infoString[0]);
+
+ if (info.numberOfInfoStrings > 1 && info.infoString[1] != NULL)
+ tag_add_item(tag, TAG_ITEM_ARTIST, info.infoString[1]);
+
+ return tag;
+}
+
+static const char *const sidplay_suffixes[] = {
+ "sid",
+ NULL
+};
+
+extern const struct decoder_plugin sidplay_decoder_plugin;
+const struct decoder_plugin sidplay_decoder_plugin = {
+ "sidplay",
+ NULL, /* init() */
+ NULL, /* finish() */
+ NULL, /* stream_decode() */
+ sidplay_file_decode,
+ sidplay_tag_dup,
+ sidplay_suffixes,
+ NULL, /* mime_types */
+};