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diff --git a/src/lib/dl/ext/vorbtool/easyflac.c b/src/lib/dl/ext/vorbtool/easyflac.c
new file mode 100755
index 00000000..a860f5d6
--- /dev/null
+++ b/src/lib/dl/ext/vorbtool/easyflac.c
@@ -0,0 +1,384 @@
+/* EasyFLAC - A thin decoding wrapper around libFLAC and libOggFLAC to
+ * make your code less ugly.  See easyflac.h for explanation.
+ *
+ * Copyright 2003 - Stan Seibert <volsung@xiph.org>
+ * This code is licensed under a BSD style license:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION
+ * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <flac/export.h>
+#if !defined(FLAC_API_VERSION_CURRENT) || (FLAC_API_VERSION_CURRENT < 8)
+
+#include <stdlib.h>
+#include "easyflac.h"
+
+
+FLAC__bool EasyFLAC__is_oggflac(EasyFLAC__StreamDecoder *decoder)
+{
+    return decoder->is_oggflac;
+}
+
+
+EasyFLAC__StreamDecoder *EasyFLAC__stream_decoder_new(FLAC__bool is_oggflac)
+{
+    EasyFLAC__StreamDecoder *decoder = malloc(sizeof(EasyFLAC__StreamDecoder));
+
+    if (decoder != NULL)
+    {
+        decoder->is_oggflac = is_oggflac;
+
+        if (decoder->is_oggflac)
+            decoder->oggflac = OggFLAC__stream_decoder_new();
+        else
+            decoder->flac = FLAC__stream_decoder_new();
+
+        if (  (decoder->is_oggflac && decoder->oggflac == NULL)
+            ||(!decoder->is_oggflac && decoder->flac == NULL)  )
+        {
+            free(decoder);
+            decoder = NULL;
+        }
+    }
+
+    return decoder;
+}
+
+
+void EasyFLAC__stream_decoder_delete(EasyFLAC__StreamDecoder *decoder)
+{
+    if (decoder->is_oggflac)
+        OggFLAC__stream_decoder_delete(decoder->oggflac);
+    else
+        FLAC__stream_decoder_delete(decoder->flac);
+
+    free(decoder);
+}
+
+
+/* Wrappers around the callbacks for OggFLAC */
+
+FLAC__StreamDecoderReadStatus oggflac_read_callback(const OggFLAC__StreamDecoder *decoder, FLAC__byte buffer[], unsigned *bytes, void *client_data)
+{
+    EasyFLAC__StreamDecoder *e_decoder = (EasyFLAC__StreamDecoder *) client_data;
+
+    return (*e_decoder->callbacks.read)(e_decoder, buffer, bytes, e_decoder->callbacks.client_data);
+}
+
+
+FLAC__StreamDecoderWriteStatus oggflac_write_callback(const OggFLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
+{
+    EasyFLAC__StreamDecoder *e_decoder = (EasyFLAC__StreamDecoder *) client_data;
+
+    return (*(e_decoder->callbacks.write))(e_decoder, frame, buffer, e_decoder->callbacks.client_data);
+}
+
+
+void oggflac_metadata_callback(const OggFLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data)
+{
+    EasyFLAC__StreamDecoder *e_decoder = (EasyFLAC__StreamDecoder *) client_data;
+
+    (*e_decoder->callbacks.metadata)(e_decoder, metadata, e_decoder->callbacks.client_data);
+}
+
+
+void oggflac_error_callback(const OggFLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)
+{
+    EasyFLAC__StreamDecoder *e_decoder = (EasyFLAC__StreamDecoder *) client_data;
+
+    (*e_decoder->callbacks.error)(e_decoder, status, e_decoder->callbacks.client_data);
+}
+
+
+/* Wrappers around the callbacks for FLAC */
+
+FLAC__StreamDecoderReadStatus flac_read_callback(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], unsigned *bytes, void *client_data)
+{
+    EasyFLAC__StreamDecoder *e_decoder = (EasyFLAC__StreamDecoder *) client_data;
+
+    return (*e_decoder->callbacks.read)(e_decoder, buffer, bytes, e_decoder->callbacks.client_data);
+}
+
+
+FLAC__StreamDecoderWriteStatus flac_write_callback(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
+{
+    EasyFLAC__StreamDecoder *e_decoder = (EasyFLAC__StreamDecoder *) client_data;
+
+    return (*e_decoder->callbacks.write)(e_decoder, frame, buffer, e_decoder->callbacks.client_data);
+}
+
+
+void flac_metadata_callback(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data)
+{
+    EasyFLAC__StreamDecoder *e_decoder = (EasyFLAC__StreamDecoder *) client_data;
+
+    (*e_decoder->callbacks.metadata)(e_decoder, metadata, e_decoder->callbacks.client_data);
+}
+
+
+void flac_error_callback(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)
+{
+    EasyFLAC__StreamDecoder *e_decoder = (EasyFLAC__StreamDecoder *) client_data;
+
+    (*e_decoder->callbacks.error)(e_decoder, status, e_decoder->callbacks.client_data);
+}
+
+
+FLAC__bool EasyFLAC__set_read_callback(EasyFLAC__StreamDecoder *decoder, EasyFLAC__StreamDecoderReadCallback value)
+{
+    decoder->callbacks.read = value;
+
+    if (decoder->is_oggflac)
+        return OggFLAC__stream_decoder_set_read_callback(decoder->oggflac, &oggflac_read_callback);
+    else
+        return FLAC__stream_decoder_set_read_callback(decoder->flac, &flac_read_callback);
+}
+
+
+FLAC__bool EasyFLAC__set_write_callback(EasyFLAC__StreamDecoder *decoder, EasyFLAC__StreamDecoderWriteCallback value)
+{
+    decoder->callbacks.write = value;
+
+    if (decoder->is_oggflac)
+        return OggFLAC__stream_decoder_set_write_callback(decoder->oggflac, &oggflac_write_callback);
+    else
+        return FLAC__stream_decoder_set_write_callback(decoder->flac, &flac_write_callback);
+}
+
+
+FLAC__bool EasyFLAC__set_metadata_callback(EasyFLAC__StreamDecoder *decoder, EasyFLAC__StreamDecoderMetadataCallback value)
+{
+    decoder->callbacks.metadata = value;
+
+    if (decoder->is_oggflac)
+        return OggFLAC__stream_decoder_set_metadata_callback(decoder->oggflac, &oggflac_metadata_callback);
+    else
+        return FLAC__stream_decoder_set_metadata_callback(decoder->flac, &flac_metadata_callback);
+}
+
+
+FLAC__bool EasyFLAC__set_error_callback(EasyFLAC__StreamDecoder *decoder, EasyFLAC__StreamDecoderErrorCallback value)
+{
+    decoder->callbacks.error = value;
+
+    if (decoder->is_oggflac)
+        return OggFLAC__stream_decoder_set_error_callback(decoder->oggflac, &oggflac_error_callback);
+    else
+        return FLAC__stream_decoder_set_error_callback(decoder->flac, &flac_error_callback);
+}
+
+
+FLAC__bool EasyFLAC__set_client_data(EasyFLAC__StreamDecoder *decoder, void *value)
+{
+    decoder->callbacks.client_data = value;
+
+    if (decoder->is_oggflac)
+        return OggFLAC__stream_decoder_set_client_data(decoder->oggflac, decoder);
+    else
+        return FLAC__stream_decoder_set_client_data(decoder->flac, decoder);
+}
+
+
+FLAC__bool EasyFLAC__set_metadata_respond(EasyFLAC__StreamDecoder *decoder, FLAC__MetadataType type)
+{
+    if (decoder->is_oggflac)
+        return OggFLAC__stream_decoder_set_metadata_respond(decoder->oggflac, type);
+    else
+        return FLAC__stream_decoder_set_metadata_respond(decoder->flac, type);
+}
+
+
+FLAC__bool EasyFLAC__set_metadata_respond_application(EasyFLAC__StreamDecoder *decoder, const FLAC__byte id[4])
+{
+    if (decoder->is_oggflac)
+        return OggFLAC__stream_decoder_set_metadata_respond_application(decoder->oggflac, id);
+    else
+        return FLAC__stream_decoder_set_metadata_respond_application(decoder->flac, id);
+}
+
+
+FLAC__bool EasyFLAC__set_metadata_respond_all(EasyFLAC__StreamDecoder *decoder)
+{
+    if (decoder->is_oggflac)
+        return OggFLAC__stream_decoder_set_metadata_respond_all(decoder->oggflac);
+    else
+        return FLAC__stream_decoder_set_metadata_respond_all(decoder->flac);
+}
+
+
+FLAC__bool EasyFLAC__set_metadata_ignore(EasyFLAC__StreamDecoder *decoder, FLAC__MetadataType type)
+{
+    if (decoder->is_oggflac)
+        return OggFLAC__stream_decoder_set_metadata_ignore(decoder->oggflac, type);
+    else
+        return FLAC__stream_decoder_set_metadata_ignore(decoder->flac, type);
+}
+
+
+FLAC__bool EasyFLAC__set_metadata_ignore_application(EasyFLAC__StreamDecoder *decoder, const FLAC__byte id[4])
+{
+    if (decoder->is_oggflac)
+        return OggFLAC__stream_decoder_set_metadata_ignore_application(decoder->oggflac, id);
+    else
+        return FLAC__stream_decoder_set_metadata_ignore_application(decoder->flac, id);
+}
+
+FLAC__bool EasyFLAC__set_metadata_ignore_all(EasyFLAC__StreamDecoder *decoder)
+{
+    if (decoder->is_oggflac)
+        return OggFLAC__stream_decoder_set_metadata_ignore_all(decoder->oggflac);
+    else
+        return FLAC__stream_decoder_set_metadata_ignore_all(decoder->flac);
+}
+
+
+FLAC__StreamDecoderState EasyFLAC__get_state(const EasyFLAC__StreamDecoder *decoder)
+{
+    if (decoder->is_oggflac)
+        return OggFLAC__stream_decoder_get_FLAC_stream_decoder_state(decoder->oggflac);
+    else
+        return FLAC__stream_decoder_get_state(decoder->flac);
+}
+
+
+unsigned EasyFLAC__get_channels(const EasyFLAC__StreamDecoder *decoder)
+{
+    if (decoder->is_oggflac)
+        return OggFLAC__stream_decoder_get_channels(decoder->oggflac);
+    else
+        return FLAC__stream_decoder_get_channels(decoder->flac);
+}
+
+
+FLAC__ChannelAssignment EasyFLAC__get_channel_assignment(const EasyFLAC__StreamDecoder *decoder)
+{
+    if (decoder->is_oggflac)
+        return OggFLAC__stream_decoder_get_channel_assignment(decoder->oggflac);
+    else
+        return FLAC__stream_decoder_get_channel_assignment(decoder->flac);
+}
+
+
+unsigned EasyFLAC__get_bits_per_sample(const EasyFLAC__StreamDecoder *decoder)
+{
+    if (decoder->is_oggflac)
+        return OggFLAC__stream_decoder_get_bits_per_sample(decoder->oggflac);
+    else
+        return FLAC__stream_decoder_get_bits_per_sample(decoder->flac);
+}
+
+
+unsigned EasyFLAC__get_sample_rate(const EasyFLAC__StreamDecoder *decoder)
+{
+    if (decoder->is_oggflac)
+        return OggFLAC__stream_decoder_get_sample_rate(decoder->oggflac);
+    else
+        return FLAC__stream_decoder_get_sample_rate(decoder->flac);
+}
+
+
+unsigned EasyFLAC__get_blocksize(const EasyFLAC__StreamDecoder *decoder)
+{
+    if (decoder->is_oggflac)
+        return OggFLAC__stream_decoder_get_blocksize(decoder->oggflac);
+    else
+        return FLAC__stream_decoder_get_blocksize(decoder->flac);
+}
+
+
+FLAC__StreamDecoderState EasyFLAC__init(EasyFLAC__StreamDecoder *decoder)
+{
+    if (decoder->is_oggflac)
+    {
+        OggFLAC__stream_decoder_init(decoder->oggflac);
+        return OggFLAC__stream_decoder_get_FLAC_stream_decoder_state(decoder->oggflac);
+    }
+    else
+        return FLAC__stream_decoder_init(decoder->flac);
+}
+
+
+void EasyFLAC__finish(EasyFLAC__StreamDecoder *decoder)
+{
+    if (decoder->is_oggflac)
+        OggFLAC__stream_decoder_finish(decoder->oggflac);
+    else
+        FLAC__stream_decoder_finish(decoder->flac);
+}
+
+
+FLAC__bool EasyFLAC__flush(EasyFLAC__StreamDecoder *decoder)
+{
+    if (decoder->is_oggflac)
+        return OggFLAC__stream_decoder_flush(decoder->oggflac);
+    else
+        return FLAC__stream_decoder_flush(decoder->flac);
+}
+
+
+FLAC__bool EasyFLAC__reset(EasyFLAC__StreamDecoder *decoder)
+{
+    if (decoder->is_oggflac)
+        return OggFLAC__stream_decoder_reset(decoder->oggflac);
+    else
+        return FLAC__stream_decoder_reset(decoder->flac);
+}
+
+
+FLAC__bool EasyFLAC__process_single(EasyFLAC__StreamDecoder *decoder)
+{
+    if (decoder->is_oggflac)
+        return OggFLAC__stream_decoder_process_single(decoder->oggflac);
+    else
+        return FLAC__stream_decoder_process_single(decoder->flac);
+}
+
+
+FLAC__bool EasyFLAC__process_until_end_of_metadata(EasyFLAC__StreamDecoder *decoder)
+{
+    if (decoder->is_oggflac)
+        return OggFLAC__stream_decoder_process_until_end_of_metadata(decoder->oggflac);
+    else
+        return FLAC__stream_decoder_process_until_end_of_metadata(decoder->flac);
+}
+
+
+FLAC__bool EasyFLAC__process_until_end_of_stream(EasyFLAC__StreamDecoder *decoder)
+{
+    if (decoder->is_oggflac)
+        return OggFLAC__stream_decoder_process_until_end_of_stream(decoder->oggflac);
+    else
+        return FLAC__stream_decoder_process_until_end_of_stream(decoder->flac);
+}
+
+#endif