decoder/*: move to decoder/plugins/

1 files changed, 248 insertions, 0 deletions

diff --git a/src/decoder/plugins/MikmodDecoderPlugin.cxx b/src/decoder/plugins/MikmodDecoderPlugin.cxx
new file mode 100644
index 000000000..aacb5922d
--- /dev/null
+++ b/src/decoder/plugins/MikmodDecoderPlugin.cxx
@@ -0,0 +1,248 @@
+/*
+ * Copyright (C) 2003-2014 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 "MikmodDecoderPlugin.hxx"
+#include "../DecoderAPI.hxx"
+#include "tag/TagHandler.hxx"
+#include "system/FatalError.hxx"
+#include "util/Domain.hxx"
+#include "Log.hxx"
+
+#include <mikmod.h>
+
+#include <assert.h>
+
+static constexpr Domain mikmod_domain("mikmod");
+
+/* this is largely copied from alsaplayer */
+
+static constexpr size_t MIKMOD_FRAME_SIZE = 4096;
+
+static BOOL
+mikmod_mpd_init(void)
+{
+	return VC_Init();
+}
+
+static void
+mikmod_mpd_exit(void)
+{
+	VC_Exit();
+}
+
+static void
+mikmod_mpd_update(void)
+{
+}
+
+static BOOL
+mikmod_mpd_is_present(void)
+{
+	return true;
+}
+
+static char drv_name[] = PACKAGE_NAME;
+static char drv_version[] = VERSION;
+
+#if (LIBMIKMOD_VERSION > 0x030106)
+static char drv_alias[] = PACKAGE;
+#endif
+
+static MDRIVER drv_mpd = {
+	nullptr,
+	drv_name,
+	drv_version,
+	0,
+	255,
+#if (LIBMIKMOD_VERSION > 0x030106)
+	drv_alias,
+#if (LIBMIKMOD_VERSION >= 0x030200)
+	nullptr,  /* CmdLineHelp */
+#endif
+	nullptr,  /* CommandLine */
+#endif
+	mikmod_mpd_is_present,
+	VC_SampleLoad,
+	VC_SampleUnload,
+	VC_SampleSpace,
+	VC_SampleLength,
+	mikmod_mpd_init,
+	mikmod_mpd_exit,
+	nullptr,
+	VC_SetNumVoices,
+	VC_PlayStart,
+	VC_PlayStop,
+	mikmod_mpd_update,
+	nullptr,
+	VC_VoiceSetVolume,
+	VC_VoiceGetVolume,
+	VC_VoiceSetFrequency,
+	VC_VoiceGetFrequency,
+	VC_VoiceSetPanning,
+	VC_VoiceGetPanning,
+	VC_VoicePlay,
+	VC_VoiceStop,
+	VC_VoiceStopped,
+	VC_VoiceGetPosition,
+	VC_VoiceRealVolume
+};
+
+static bool mikmod_loop;
+static unsigned mikmod_sample_rate;
+
+static bool
+mikmod_decoder_init(const config_param &param)
+{
+	static char params[] = "";
+
+	mikmod_loop = param.GetBlockValue("loop", false);
+	mikmod_sample_rate = param.GetBlockValue("sample_rate", 44100u);
+	if (!audio_valid_sample_rate(mikmod_sample_rate))
+		FormatFatalError("Invalid sample rate in line %d: %u",
+				 param.line, mikmod_sample_rate);
+
+	md_device = 0;
+	md_reverb = 0;
+
+	MikMod_RegisterDriver(&drv_mpd);
+	MikMod_RegisterAllLoaders();
+
+	md_pansep = 64;
+	md_mixfreq = mikmod_sample_rate;
+	md_mode = (DMODE_SOFT_MUSIC | DMODE_INTERP | DMODE_STEREO |
+		   DMODE_16BITS);
+
+	if (MikMod_Init(params)) {
+		FormatError(mikmod_domain,
+			    "Could not init MikMod: %s",
+			    MikMod_strerror(MikMod_errno));
+		return false;
+	}
+
+	return true;
+}
+
+static void
+mikmod_decoder_finish(void)
+{
+	MikMod_Exit();
+}
+
+static void
+mikmod_decoder_file_decode(Decoder &decoder, const char *path_fs)
+{
+	/* deconstify the path because libmikmod wants a non-const
+	   string pointer */
+	char *const path2 = const_cast<char *>(path_fs);
+
+	MODULE *handle;
+	int ret;
+	SBYTE buffer[MIKMOD_FRAME_SIZE];
+
+	handle = Player_Load(path2, 128, 0);
+
+	if (handle == nullptr) {
+		FormatError(mikmod_domain,
+			    "failed to open mod: %s", path_fs);
+		return;
+	}
+
+	handle->loop = mikmod_loop;
+
+	const AudioFormat audio_format(mikmod_sample_rate, SampleFormat::S16, 2);
+	assert(audio_format.IsValid());
+
+	decoder_initialized(decoder, audio_format, false, 0);
+
+	Player_Start(handle);
+
+	DecoderCommand cmd = DecoderCommand::NONE;
+	while (cmd == DecoderCommand::NONE && Player_Active()) {
+		ret = VC_WriteBytes(buffer, sizeof(buffer));
+		cmd = decoder_data(decoder, nullptr, buffer, ret, 0);
+	}
+
+	Player_Stop();
+	Player_Free(handle);
+}
+
+static bool
+mikmod_decoder_scan_file(const char *path_fs,
+			 const struct tag_handler *handler, void *handler_ctx)
+{
+	/* deconstify the path because libmikmod wants a non-const
+	   string pointer */
+	char *const path2 = const_cast<char *>(path_fs);
+
+	MODULE *handle = Player_Load(path2, 128, 0);
+
+	if (handle == nullptr) {
+		FormatDebug(mikmod_domain,
+			    "Failed to open file: %s", path_fs);
+		return false;
+	}
+
+	Player_Free(handle);
+
+	char *title = Player_LoadTitle(path2);
+	if (title != nullptr) {
+		tag_handler_invoke_tag(handler, handler_ctx,
+				       TAG_TITLE, title);
+#if (LIBMIKMOD_VERSION >= 0x030200)
+		MikMod_free(title);
+#else
+		free(title);
+#endif
+	}
+
+	return true;
+}
+
+static const char *const mikmod_decoder_suffixes[] = {
+	"amf",
+	"dsm",
+	"far",
+	"gdm",
+	"imf",
+	"it",
+	"med",
+	"mod",
+	"mtm",
+	"s3m",
+	"stm",
+	"stx",
+	"ult",
+	"uni",
+	"xm",
+	nullptr
+};
+
+const struct DecoderPlugin mikmod_decoder_plugin = {
+	"mikmod",
+	mikmod_decoder_init,
+	mikmod_decoder_finish,
+	nullptr,
+	mikmod_decoder_file_decode,
+	mikmod_decoder_scan_file,
+	nullptr,
+	nullptr,
+	mikmod_decoder_suffixes,
+	nullptr,
+};