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authorMax Kellermann <max@duempel.org>2012-09-25 22:03:44 +0200
committerMax Kellermann <max@duempel.org>2012-09-25 22:03:44 +0200
commit33364edfb3ed349c0a05d55e0449bfc0a9a701be (patch)
tree093a8e3fc88ccfdfac9a8e7b2bcd7d3f6d9ee020 /src/decoder/AdPlugDecoderPlugin.cxx
parent5e9ccdec639a7b3e6b3e25c1fcac5270f8c5005c (diff)
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decoder/adplug: new decoder plugin
Diffstat (limited to 'src/decoder/AdPlugDecoderPlugin.cxx')
-rw-r--r--src/decoder/AdPlugDecoderPlugin.cxx148
1 files changed, 148 insertions, 0 deletions
diff --git a/src/decoder/AdPlugDecoderPlugin.cxx b/src/decoder/AdPlugDecoderPlugin.cxx
new file mode 100644
index 000000000..b3b7f1d73
--- /dev/null
+++ b/src/decoder/AdPlugDecoderPlugin.cxx
@@ -0,0 +1,148 @@
+/*
+ * Copyright (C) 2003-2012 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 "config.h"
+#include "AdPlugDecoderPlugin.h"
+#include "tag_handler.h"
+
+extern "C" {
+#include "decoder_api.h"
+#include "audio_check.h"
+}
+
+#include <adplug/adplug.h>
+#include <adplug/emuopl.h>
+
+#include <glib.h>
+
+#include <assert.h>
+
+#undef G_LOG_DOMAIN
+#define G_LOG_DOMAIN "adplug"
+
+static unsigned sample_rate;
+
+static bool
+adplug_init(const struct config_param *param)
+{
+ GError *error = NULL;
+
+ sample_rate = config_get_block_unsigned(param, "sample_rate", 48000);
+ if (!audio_check_sample_rate(sample_rate, &error)) {
+ g_warning("%s\n", error->message);
+ g_error_free(error);
+ return false;
+ }
+
+ return true;
+}
+
+static void
+adplug_file_decode(struct decoder *decoder, const char *path_fs)
+{
+ CEmuopl opl(sample_rate, true, true);
+ opl.init();
+
+ CPlayer *player = CAdPlug::factory(path_fs, &opl);
+ if (player == nullptr)
+ return;
+
+ struct audio_format audio_format;
+ audio_format_init(&audio_format, sample_rate, SAMPLE_FORMAT_S16, 2);
+ assert(audio_format_valid(&audio_format));
+
+ decoder_initialized(decoder, &audio_format, false,
+ player->songlength() / 1000.);
+
+ int16_t buffer[2048];
+ const unsigned frames_per_buffer = G_N_ELEMENTS(buffer) / 2;
+ enum decoder_command cmd;
+
+ do {
+ if (!player->update())
+ break;
+
+ opl.update(buffer, frames_per_buffer);
+ cmd = decoder_data(decoder, NULL,
+ buffer, sizeof(buffer),
+ 0);
+ } while (cmd == DECODE_COMMAND_NONE);
+
+ delete player;
+}
+
+static void
+adplug_scan_tag(enum tag_type type, const std::string &value,
+ const struct tag_handler *handler, void *handler_ctx)
+{
+ if (!value.empty())
+ tag_handler_invoke_tag(handler, handler_ctx,
+ type, value.c_str());
+}
+
+static bool
+adplug_scan_file(const char *path_fs,
+ const struct tag_handler *handler, void *handler_ctx)
+{
+ CEmuopl opl(sample_rate, true, true);
+ opl.init();
+
+ CPlayer *player = CAdPlug::factory(path_fs, &opl);
+ if (player == nullptr)
+ return false;
+
+ tag_handler_invoke_duration(handler, handler_ctx,
+ player->songlength() / 1000);
+
+ if (handler->tag != nullptr) {
+ adplug_scan_tag(TAG_TITLE, player->gettitle(),
+ handler, handler_ctx);
+ adplug_scan_tag(TAG_ARTIST, player->getauthor(),
+ handler, handler_ctx);
+ adplug_scan_tag(TAG_COMMENT, player->getdesc(),
+ handler, handler_ctx);
+ }
+
+ delete player;
+ return true;
+}
+
+static const char *const adplug_suffixes[] = {
+ "amd",
+ "d00",
+ "hsc",
+ "laa",
+ "rad",
+ "raw",
+ "sa2",
+ nullptr
+};
+
+const struct decoder_plugin adplug_decoder_plugin = {
+ "adplug",
+ adplug_init,
+ nullptr,
+ nullptr,
+ adplug_file_decode,
+ adplug_scan_file,
+ nullptr,
+ nullptr,
+ adplug_suffixes,
+ nullptr,
+};