--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gst_plugins_good/gst/qtmux/descriptors.h	Fri Apr 16 15:15:52 2010 +0300
@@ -0,0 +1,151 @@
+/* Quicktime muxer plugin for GStreamer
+ * Copyright (C) 2008 Thiago Sousa Santos <thiagoss@embedded.ufcg.edu.br>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+/*
+ * Unless otherwise indicated, Source Code is licensed under MIT license.
+ * See further explanation attached in License Statement (distributed in the file
+ * LICENSE).
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is furnished to do
+ * so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef __DESCRIPTORS_H__
+#define __DESCRIPTORS_H__
+
+#include <glib.h>
+#include <string.h>
+#include "properties.h"
+
+/*
+ * Tags for descriptor (each kind is represented by a number, instead of fourcc as in atoms)
+ */
+#define OBJECT_DESC_TAG            0x01
+#define INIT_OBJECT_DESC_TAG       0x02
+#define ES_DESCRIPTOR_TAG          0x03
+#define DECODER_CONFIG_DESC_TAG    0x04
+#define DECODER_SPECIFIC_INFO_TAG  0x05
+#define SL_CONFIG_DESC_TAG         0x06
+#define ES_ID_INC_TAG              0x0E
+#define MP4_INIT_OBJECT_DESC_TAG   0x10
+
+#define ESDS_OBJECT_TYPE_MPEG1_P3       0x6B
+#define ESDS_OBJECT_TYPE_MPEG2_P7_MAIN  0x66
+#define ESDS_OBJECT_TYPE_MPEG4_P7_LC    0x67
+#define ESDS_OBJECT_TYPE_MPEG4_P7_SSR   0x68
+#define ESDS_OBJECT_TYPE_MPEG4_P2       0x20
+#define ESDS_OBJECT_TYPE_MPEG4_P3       0x40
+
+#define ESDS_STREAM_TYPE_VISUAL         0x04
+#define ESDS_STREAM_TYPE_AUDIO          0x05
+
+
+typedef struct _BaseDescriptor
+{
+  guint8 tag;
+  /* the first bit of each byte indicates if the next byte should be used */
+  guint8 size[4];
+} BaseDescriptor;
+
+typedef struct _SLConfigDescriptor
+{
+  BaseDescriptor base;
+
+  guint8 predefined;              /* everything is supposed predefined */
+} SLConfigDescriptor;
+
+typedef struct _DecoderSpecificInfoDescriptor
+{
+  BaseDescriptor base;
+  guint32 length;
+  guint8 *data;
+} DecoderSpecificInfoDescriptor;
+
+typedef struct _DecoderConfigDescriptor {
+  BaseDescriptor base;
+
+  guint8 object_type;
+
+  /* following are condensed into streamType:
+   * bit(6) streamType;
+   * bit(1) upStream;
+   * const bit(1) reserved=1;
+  */
+  guint8 stream_type;
+
+  guint8 buffer_size_DB[3];
+  guint32 max_bitrate;
+  guint32 avg_bitrate;
+
+  DecoderSpecificInfoDescriptor *dec_specific_info;
+} DecoderConfigDescriptor;
+
+typedef struct _ESDescriptor
+{
+  BaseDescriptor base;
+
+  guint16 id;
+
+  /* flags contains the following:
+   * bit(1) streamDependenceFlag;
+   * bit(1) URL_Flag;
+   * bit(1) OCRstreamFlag;
+   * bit(5) streamPriority;
+   */
+  guint8 flags;
+
+  guint16 depends_on_es_id;
+  guint8 url_length;              /* only if URL_flag is set */
+  guint8 *url_string;             /* size is url_length */
+
+  guint16 ocr_es_id;              /* only if OCRstreamFlag is set */
+
+  DecoderConfigDescriptor dec_conf_desc;
+  SLConfigDescriptor sl_conf_desc;
+
+  /* optional remainder of ESDescriptor is not used */
+} ESDescriptor;
+
+/* --- FUNCTIONS --- */
+void    desc_es_init                               (ESDescriptor *es);
+ESDescriptor *desc_es_descriptor_new               ();
+guint64 desc_es_descriptor_copy_data               (ESDescriptor *es, guint8 **buffer,
+                                                    guint64 *size, guint64 *offset);
+void    desc_es_descriptor_clear                   (ESDescriptor *es);
+
+DecoderSpecificInfoDescriptor *desc_dec_specific_info_new();
+void    desc_dec_specific_info_free                (DecoderSpecificInfoDescriptor *dsid);
+void    desc_dec_specific_info_alloc_data          (DecoderSpecificInfoDescriptor *dsid,
+                                                    guint32 size);
+
+#endif /* __DESCRIPTORS_H__ */