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authorMax Kellermann <max@duempel.org>2010-01-04 21:36:33 +0100
committerMax Kellermann <max@duempel.org>2010-01-04 21:45:32 +0100
commit9b9abff97272b52f133ff23addd58b6a90a49a73 (patch)
tree1790e9c10485b30a2ea84ce5923d26bf8c91c688 /src/decoder/modplug_decoder_plugin.c
parentc69cc31de0818f8bf42431dcbc1f9de4451a0456 (diff)
downloadmpd-9b9abff97272b52f133ff23addd58b6a90a49a73.tar.gz
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renamed decoder plugin sources
Make it X_decoder_plugin.c.
Diffstat (limited to 'src/decoder/modplug_decoder_plugin.c')
-rw-r--r--src/decoder/modplug_decoder_plugin.c194
1 files changed, 194 insertions, 0 deletions
diff --git a/src/decoder/modplug_decoder_plugin.c b/src/decoder/modplug_decoder_plugin.c
new file mode 100644
index 000000000..037c2fd74
--- /dev/null
+++ b/src/decoder/modplug_decoder_plugin.c
@@ -0,0 +1,194 @@
+/*
+ * Copyright (C) 2003-2010 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 "decoder_api.h"
+
+#include <glib.h>
+#include <modplug.h>
+#include <assert.h>
+
+#undef G_LOG_DOMAIN
+#define G_LOG_DOMAIN "modplug"
+
+enum {
+ MODPLUG_FRAME_SIZE = 4096,
+ MODPLUG_PREALLOC_BLOCK = 256 * 1024,
+ MODPLUG_READ_BLOCK = 128 * 1024,
+ MODPLUG_FILE_LIMIT = 100 * 1024 * 1024,
+};
+
+static GByteArray *mod_loadfile(struct decoder *decoder, struct input_stream *is)
+{
+ unsigned char *data;
+ GByteArray *bdatas;
+ size_t ret;
+
+ if (is->size == 0) {
+ g_warning("file is empty");
+ return NULL;
+ }
+
+ if (is->size > MODPLUG_FILE_LIMIT) {
+ g_warning("file too large");
+ return NULL;
+ }
+
+ //known/unknown size, preallocate array, lets read in chunks
+ if (is->size > 0) {
+ bdatas = g_byte_array_sized_new(is->size);
+ } else {
+ bdatas = g_byte_array_sized_new(MODPLUG_PREALLOC_BLOCK);
+ }
+
+ data = g_malloc(MODPLUG_READ_BLOCK);
+
+ while (true) {
+ ret = decoder_read(decoder, is, data, MODPLUG_READ_BLOCK);
+ if (ret == 0) {
+ if (input_stream_eof(is))
+ /* end of file */
+ break;
+
+ /* I/O error - skip this song */
+ g_free(data);
+ g_byte_array_free(bdatas, true);
+ return NULL;
+ }
+
+ if (bdatas->len + ret > MODPLUG_FILE_LIMIT) {
+ g_warning("stream too large\n");
+ g_free(data);
+ g_byte_array_free(bdatas, TRUE);
+ return NULL;
+ }
+
+ g_byte_array_append(bdatas, data, ret);
+ }
+
+ g_free(data);
+
+ return bdatas;
+}
+
+static void
+mod_decode(struct decoder *decoder, struct input_stream *is)
+{
+ ModPlugFile *f;
+ ModPlug_Settings settings;
+ GByteArray *bdatas;
+ struct audio_format audio_format;
+ int ret;
+ char audio_buffer[MODPLUG_FRAME_SIZE];
+ enum decoder_command cmd = DECODE_COMMAND_NONE;
+
+ bdatas = mod_loadfile(decoder, is);
+
+ if (!bdatas) {
+ g_warning("could not load stream\n");
+ return;
+ }
+
+ ModPlug_GetSettings(&settings);
+ /* alter setting */
+ settings.mResamplingMode = MODPLUG_RESAMPLE_FIR; /* RESAMP */
+ settings.mChannels = 2;
+ settings.mBits = 16;
+ settings.mFrequency = 44100;
+ /* insert more setting changes here */
+ ModPlug_SetSettings(&settings);
+
+ f = ModPlug_Load(bdatas->data, bdatas->len);
+ g_byte_array_free(bdatas, TRUE);
+ if (!f) {
+ g_warning("could not decode stream\n");
+ return;
+ }
+
+ audio_format_init(&audio_format, 44100, SAMPLE_FORMAT_S16, 2);
+ assert(audio_format_valid(&audio_format));
+
+ decoder_initialized(decoder, &audio_format,
+ is->seekable, ModPlug_GetLength(f) / 1000.0);
+
+ do {
+ ret = ModPlug_Read(f, audio_buffer, MODPLUG_FRAME_SIZE);
+ if (ret <= 0)
+ break;
+
+ cmd = decoder_data(decoder, NULL,
+ audio_buffer, ret,
+ 0);
+
+ if (cmd == DECODE_COMMAND_SEEK) {
+ float where = decoder_seek_where(decoder);
+
+ ModPlug_Seek(f, (int)(where * 1000.0));
+
+ decoder_command_finished(decoder);
+ }
+
+ } while (cmd != DECODE_COMMAND_STOP);
+
+ ModPlug_Unload(f);
+}
+
+static struct tag *
+modplug_stream_tag(struct input_stream *is)
+{
+ ModPlugFile *f;
+ struct tag *ret = NULL;
+ GByteArray *bdatas;
+ char *title;
+
+ bdatas = mod_loadfile(NULL, is);
+ if (!bdatas)
+ return NULL;
+
+ f = ModPlug_Load(bdatas->data, bdatas->len);
+ g_byte_array_free(bdatas, TRUE);
+ if (f == NULL)
+ return NULL;
+
+ ret = tag_new();
+ ret->time = ModPlug_GetLength(f) / 1000;
+
+ title = g_strdup(ModPlug_GetName(f));
+ if (title)
+ tag_add_item(ret, TAG_TITLE, title);
+ g_free(title);
+
+ ModPlug_Unload(f);
+
+ return ret;
+}
+
+static const char *const mod_suffixes[] = {
+ "669", "amf", "ams", "dbm", "dfm", "dsm", "far", "it",
+ "med", "mdl", "mod", "mtm", "mt2", "okt", "s3m", "stm",
+ "ult", "umx", "xm",
+ NULL
+};
+
+const struct decoder_plugin modplug_decoder_plugin = {
+ .name = "modplug",
+ .stream_decode = mod_decode,
+ .stream_tag = modplug_stream_tag,
+ .suffixes = mod_suffixes,
+};