Increases compatibility for VP9 in .mov in at least VLC. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3260>
		
			
				
	
	
		
			1154 lines
		
	
	
		
			30 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1154 lines
		
	
	
		
			30 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Quicktime muxer plugin for GStreamer
 | |
|  * Copyright (C) 2008-2010 Thiago 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., 51 Franklin St, Fifth Floor,
 | |
|  * Boston, MA 02110-1301, 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
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|  * so, subject to the following conditions:
 | |
|  *
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|  * The above copyright notice and this permission notice shall be included in all
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|  * copies or substantial portions of the Software.
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|  *
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|  * 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 __ATOMS_H__
 | |
| #define __ATOMS_H__
 | |
| 
 | |
| #include <glib.h>
 | |
| #include <string.h>
 | |
| #include <gst/video/video.h>
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| 
 | |
| #include "descriptors.h"
 | |
| #include "properties.h"
 | |
| #include "fourcc.h"
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| 
 | |
| /* helper storage struct */
 | |
| #define ATOM_ARRAY(struct_type) \
 | |
| struct { \
 | |
|   guint size; \
 | |
|   guint len; \
 | |
|   struct_type *data; \
 | |
| }
 | |
| 
 | |
| /* storage helpers */
 | |
| 
 | |
| #define atom_array_init(array, reserve)                                       \
 | |
| G_STMT_START {                                                                \
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|   (array)->len = 0;                                                           \
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|   (array)->size = reserve;                                                    \
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|   (array)->data = g_malloc (sizeof (*(array)->data) * reserve);               \
 | |
| } G_STMT_END
 | |
| 
 | |
| #define atom_array_append(array, elmt, inc)                                   \
 | |
| G_STMT_START {                                                                \
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|   g_assert ((array)->data);                                                   \
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|   g_assert (inc > 0);                                                         \
 | |
|   if (G_UNLIKELY ((array)->len == (array)->size)) {                           \
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|     (array)->size += inc;                                                     \
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|     (array)->data =                                                           \
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|         g_realloc ((array)->data, sizeof (*((array)->data)) * (array)->size); \
 | |
|   }                                                                           \
 | |
|   (array)->data[(array)->len] = elmt;                                         \
 | |
|   (array)->len++;                                                             \
 | |
| } G_STMT_END
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| 
 | |
| #define atom_array_get_len(array)                  ((array)->len)
 | |
| #define atom_array_index(array, index)             ((array)->data[index])
 | |
| 
 | |
| #define atom_array_clear(array)                                               \
 | |
| G_STMT_START {                                                                \
 | |
|   (array)->size = (array)->len = 0;                                           \
 | |
|   g_free ((array)->data);                                                     \
 | |
|   (array)->data = NULL;                                                       \
 | |
| } G_STMT_END
 | |
| 
 | |
| /* light-weight context that may influence header atom tree construction */
 | |
| typedef enum _AtomsTreeFlavor
 | |
| {
 | |
|   ATOMS_TREE_FLAVOR_MOV,
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|   ATOMS_TREE_FLAVOR_ISOM,
 | |
|   ATOMS_TREE_FLAVOR_3GP,
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|   ATOMS_TREE_FLAVOR_ISML
 | |
| } AtomsTreeFlavor;
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| 
 | |
| typedef struct _AtomsContext
 | |
| {
 | |
|   AtomsTreeFlavor flavor;
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|   gboolean force_create_timecode_trak;
 | |
| } AtomsContext;
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| 
 | |
| AtomsContext* atoms_context_new  (AtomsTreeFlavor flavor, gboolean force_create_timecode_trak);
 | |
| void          atoms_context_free (AtomsContext *context);
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| 
 | |
| #define METADATA_DATA_FLAG 0x0
 | |
| #define METADATA_TEXT_FLAG 0x1
 | |
| 
 | |
| /* atom defs and functions */
 | |
| 
 | |
| typedef struct _AtomInfo AtomInfo;
 | |
| 
 | |
| /*
 | |
|  * Used for storing time related values for some atoms.
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|  */
 | |
| typedef struct _TimeInfo
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| {
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|   guint64 creation_time;
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|   guint64 modification_time;
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|   guint32 timescale;
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|   guint64 duration;
 | |
| } TimeInfo;
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| 
 | |
| typedef struct _Atom
 | |
| {
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|   guint32 size;
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|   guint32 type;
 | |
|   guint64 extended_size;
 | |
| } Atom;
 | |
| 
 | |
| typedef struct _AtomFull
 | |
| {
 | |
|   Atom header;
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| 
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|   guint8 version;
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|   guint8 flags[3];
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| } AtomFull;
 | |
| 
 | |
| /*
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|  * Generic extension atom
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|  */
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| typedef struct _AtomData
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| {
 | |
|   Atom header;
 | |
| 
 | |
|   /* not written */
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|   guint32 datalen;
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| 
 | |
|   guint8 *data;
 | |
| } AtomData;
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| 
 | |
| typedef struct _AtomUUID
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| {
 | |
|   Atom header;
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| 
 | |
|   guint8 uuid[16];
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| 
 | |
|   /* not written */
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|   guint32 datalen;
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| 
 | |
|   guint8 *data;
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| } AtomUUID;
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| 
 | |
| typedef struct _AtomFTYP
 | |
| {
 | |
|   Atom header;
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|   guint32 major_brand;
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|   guint32 version;
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|   guint32 *compatible_brands;
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| 
 | |
|   /* not written */
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|   guint32 compatible_brands_size;
 | |
| } AtomFTYP;
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| 
 | |
| typedef struct _AtomMVHD
 | |
| {
 | |
|   AtomFull header;
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| 
 | |
|   /* version 0: 32 bits */
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|   TimeInfo time_info;
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| 
 | |
|   guint32 prefered_rate;      /* ISO: 0x00010000 */
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|   guint16 volume;             /* ISO: 0x0100 */
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|   guint16 reserved3;          /* ISO: 0x0 */
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|   guint32 reserved4[2];       /* ISO: 0, 0 */
 | |
|   /* ISO: identity matrix =
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|    * { 0x00010000, 0, 0, 0, 0x00010000, 0, 0, 0, 0x40000000 } */
 | |
|   guint32 matrix[9];
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| 
 | |
|   /* ISO: all 0 */
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|   guint32 preview_time;
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|   guint32 preview_duration;
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|   guint32 poster_time;
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|   guint32 selection_time;
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|   guint32 selection_duration;
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|   guint32 current_time;
 | |
| 
 | |
|   guint32 next_track_id;
 | |
| } AtomMVHD;
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| 
 | |
| typedef struct _AtomTKHD
 | |
| {
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|   AtomFull header;
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| 
 | |
|   /* version 0: 32 bits */
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|   /* like the TimeInfo struct, but it has this track_ID inside */
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|   guint64 creation_time;
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|   guint64 modification_time;
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|   guint32 track_ID;
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|   guint32 reserved;
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|   guint64 duration;
 | |
| 
 | |
|   guint32 reserved2[2];
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|   guint16 layer;
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|   guint16 alternate_group;
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|   guint16 volume;
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|   guint16 reserved3;
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| 
 | |
|   /* ISO: identity matrix =
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|    * { 0x00010000, 0, 0, 0, 0x00010000, 0, 0, 0, 0x40000000 } */
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|   guint32 matrix[9];
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|   guint32 width;
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|   guint32 height;
 | |
| } AtomTKHD;
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| 
 | |
| typedef struct _AtomMDHD
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| {
 | |
|   AtomFull header;
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| 
 | |
|   /* version 0: 32 bits */
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|   TimeInfo time_info;
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| 
 | |
|   /* ISO: packed ISO-639-2/T language code (first bit must be 0) */
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|   guint16 language_code;
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|   /* ISO: 0 */
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|   guint16 quality;
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| } AtomMDHD;
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| 
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| typedef struct _AtomHDLR
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| {
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|   AtomFull header;
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| 
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|   /* ISO: 0 */
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|   guint32 component_type;
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|   guint32 handler_type;
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|   guint32 manufacturer;
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|   guint32 flags;
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|   guint32 flags_mask;
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|   gchar *name;
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| 
 | |
|   AtomsTreeFlavor flavor;
 | |
| } AtomHDLR;
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| 
 | |
| typedef struct _AtomVMHD
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| {
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|   AtomFull header;          /* ISO: flags = 1 */
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| 
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|   guint16 graphics_mode;
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|   /* RGB */
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|   guint16 opcolor[3];
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| } AtomVMHD;
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| 
 | |
| typedef struct _AtomSMHD
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| {
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|   AtomFull header;
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| 
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|   guint16 balance;
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|   guint16 reserved;
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| } AtomSMHD;
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| 
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| typedef struct _AtomHMHD
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| {
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|   AtomFull header;
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| 
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|   guint16 max_pdu_size;
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|   guint16 avg_pdu_size;
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|   guint32 max_bitrate;
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|   guint32 avg_bitrate;
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|   guint32 sliding_avg_bitrate;
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| } AtomHMHD;
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| 
 | |
| typedef struct _AtomTCMI
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| {
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|   AtomFull header;
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| 
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|   guint16 text_font;
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|   guint16 text_face;
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|   guint16 text_size;
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|   guint16 text_color[3];
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|   guint16 bg_color[3];
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|   gchar *font_name;
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| } AtomTCMI;
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| 
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| typedef struct _AtomTMCD
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| {
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|   Atom header;
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| 
 | |
|   AtomTCMI tcmi;
 | |
| } AtomTMCD;
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| 
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| typedef struct _AtomGMIN
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| {
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|   AtomFull header;
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| 
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|   guint16 graphics_mode;
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|   guint16 opcolor[3];
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|   guint8 balance;
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|   guint8 reserved;
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| 
 | |
| } AtomGMIN;
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| 
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| typedef struct _AtomGMHD
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| {
 | |
|   Atom header;
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| 
 | |
|   /* Only gmin is required in a gmhd atom
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|    * The other fields are optional */
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|   AtomGMIN gmin;
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|   AtomTMCD *tmcd;
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| 
 | |
| } AtomGMHD;
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| 
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| typedef struct _AtomNMHD
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| {
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|   Atom header;
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|   guint32 flags;
 | |
| } AtomNMHD;
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| 
 | |
| typedef struct _AtomURL
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| {
 | |
|   AtomFull header;
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| 
 | |
|   gchar *location;
 | |
| } AtomURL;
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| 
 | |
| typedef struct _AtomDREF
 | |
| {
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|   AtomFull header;
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| 
 | |
|   GList *entries;
 | |
| } AtomDREF;
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| 
 | |
| typedef struct _AtomDINF
 | |
| {
 | |
|   Atom header;
 | |
| 
 | |
|   AtomDREF dref;
 | |
| } AtomDINF;
 | |
| 
 | |
| typedef struct _STTSEntry
 | |
| {
 | |
|   guint32 sample_count;
 | |
|   gint32 sample_delta;
 | |
| } STTSEntry;
 | |
| 
 | |
| typedef struct _AtomSTTS
 | |
| {
 | |
|   AtomFull header;
 | |
| 
 | |
|   ATOM_ARRAY (STTSEntry) entries;
 | |
| } AtomSTTS;
 | |
| 
 | |
| typedef struct _AtomSTSS
 | |
| {
 | |
|   AtomFull header;
 | |
| 
 | |
|   ATOM_ARRAY (guint32) entries;
 | |
| } AtomSTSS;
 | |
| 
 | |
| typedef struct _AtomESDS
 | |
| {
 | |
|   AtomFull header;
 | |
| 
 | |
|   ESDescriptor es;
 | |
| } AtomESDS;
 | |
| 
 | |
| typedef struct _AtomFRMA
 | |
| {
 | |
|   Atom header;
 | |
| 
 | |
|   guint32 media_type;
 | |
| } AtomFRMA;
 | |
| 
 | |
| typedef enum _SampleEntryKind
 | |
| {
 | |
|   UNKNOWN,
 | |
|   AUDIO,
 | |
|   VIDEO,
 | |
|   SUBTITLE,
 | |
|   TIMECODE,
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|   CLOSEDCAPTION
 | |
| } SampleEntryKind;
 | |
| 
 | |
| typedef struct _SampleTableEntry
 | |
| {
 | |
|   Atom header;
 | |
| 
 | |
|   guint8 reserved[6];
 | |
|   guint16 data_reference_index;
 | |
| 
 | |
|   /* type of entry */
 | |
|   SampleEntryKind kind;
 | |
| } SampleTableEntry;
 | |
| 
 | |
| typedef struct _AtomHintSampleEntry
 | |
| {
 | |
|   SampleTableEntry se;
 | |
|   guint32 size;
 | |
|   guint8 *data;
 | |
| } AtomHintSampleEntry;
 | |
| 
 | |
| typedef struct _SampleTableEntryMP4V
 | |
| {
 | |
|   SampleTableEntry se;
 | |
| 
 | |
|   guint16 version;
 | |
|   guint16 revision_level;
 | |
| 
 | |
|   guint32 vendor;                 /* fourcc code */
 | |
|   guint32 temporal_quality;
 | |
|   guint32 spatial_quality;
 | |
| 
 | |
|   guint16 width;
 | |
|   guint16 height;
 | |
| 
 | |
|   guint32 horizontal_resolution;
 | |
|   guint32 vertical_resolution;
 | |
|   guint32 datasize;
 | |
| 
 | |
|   guint16 frame_count;            /* usually 1 */
 | |
| 
 | |
|   guint8 compressor[32];         /* pascal string, i.e. first byte = length */
 | |
| 
 | |
|   guint16 depth;
 | |
|   guint16 color_table_id;
 | |
| 
 | |
|   /* (optional) list of AtomInfo */
 | |
|   GList *extension_atoms;
 | |
| } SampleTableEntryMP4V;
 | |
| 
 | |
| typedef struct _SampleTableEntryMP4A
 | |
| {
 | |
|   SampleTableEntry se;
 | |
| 
 | |
|   guint16 version;
 | |
|   guint16 revision_level;
 | |
|   guint32 vendor;
 | |
| 
 | |
|   guint16 channels;
 | |
|   guint16 sample_size;
 | |
|   guint16 compression_id;
 | |
|   guint16 packet_size;
 | |
| 
 | |
|   guint32 sample_rate;            /* fixed point 16.16 */
 | |
| 
 | |
|   guint32 samples_per_packet;
 | |
|   guint32 bytes_per_packet;
 | |
|   guint32 bytes_per_frame;
 | |
|   guint32 bytes_per_sample;
 | |
| 
 | |
|   /* (optional) list of AtomInfo */
 | |
|   GList *extension_atoms;
 | |
| } SampleTableEntryMP4A;
 | |
| 
 | |
| typedef struct _AtomNAME
 | |
| {
 | |
|   Atom header;
 | |
| 
 | |
|   guint8 language_code;
 | |
|   gchar *name;
 | |
| } AtomNAME;
 | |
| 
 | |
| typedef struct _SampleTableEntryTMCD
 | |
| {
 | |
|   SampleTableEntry se;
 | |
| 
 | |
|   guint32 tc_flags;
 | |
|   guint32 timescale;
 | |
|   guint32 frame_duration;
 | |
|   guint8 n_frames;
 | |
| 
 | |
|   AtomNAME name;
 | |
| 
 | |
| } SampleTableEntryTMCD;
 | |
| 
 | |
| typedef struct _SampleTableEntryTX3G
 | |
| {
 | |
|   SampleTableEntry se;
 | |
| 
 | |
|   guint32 display_flags;
 | |
|   guint64 default_text_box;
 | |
|   guint16 font_id;
 | |
|   guint8  font_face; /* bold=0x1, italic=0x2, underline=0x4 */
 | |
|   guint8  font_size; /* should always be 0.05 multiplied by the video track header height */
 | |
|   guint32 foreground_color_rgba;
 | |
| 
 | |
| } SampleTableEntryTX3G;
 | |
| 
 | |
| typedef struct _AtomSTSD
 | |
| {
 | |
|   AtomFull header;
 | |
| 
 | |
|   guint n_entries;
 | |
|   /* list of subclasses of SampleTableEntry */
 | |
|   GList *entries;
 | |
| } AtomSTSD;
 | |
| 
 | |
| typedef struct _AtomSTSZ
 | |
| {
 | |
|   AtomFull header;
 | |
| 
 | |
|   guint32 sample_size;
 | |
| 
 | |
|   /* need the size here because when sample_size is constant,
 | |
|    * the list is empty */
 | |
|   guint32 table_size;
 | |
|   ATOM_ARRAY (guint32) entries;
 | |
| } AtomSTSZ;
 | |
| 
 | |
| typedef struct _STSCEntry
 | |
| {
 | |
|   guint32 first_chunk;
 | |
|   guint32 samples_per_chunk;
 | |
|   guint32 sample_description_index;
 | |
| } STSCEntry;
 | |
| 
 | |
| typedef struct _AtomSTSC
 | |
| {
 | |
|   AtomFull header;
 | |
| 
 | |
|   ATOM_ARRAY (STSCEntry) entries;
 | |
| } AtomSTSC;
 | |
| 
 | |
| /* FIXME: this can support multiple tracks */
 | |
| typedef struct _AtomTREF
 | |
| {
 | |
|   Atom header;
 | |
| 
 | |
|   guint32 reftype;
 | |
|   ATOM_ARRAY (guint32) entries;
 | |
| } AtomTREF;
 | |
| 
 | |
| /*
 | |
|  * used for both STCO and CO64
 | |
|  * The table will be written out as STCO automatically when
 | |
|  * the offsets being written will fit in a 32-bit table,
 | |
|  * otherwise it is written as CO64
 | |
|  */
 | |
| typedef struct _AtomSTCO64
 | |
| {
 | |
|   AtomFull header;
 | |
|   /* Global offset to add to entries when serialising */
 | |
|   guint32 chunk_offset;
 | |
|   /* Maximum offset stored in the table */
 | |
|   guint64 max_offset;
 | |
|   ATOM_ARRAY (guint64) entries;
 | |
| } AtomSTCO64;
 | |
| 
 | |
| typedef struct _CTTSEntry
 | |
| {
 | |
|   guint32 samplecount;
 | |
|   guint32 sampleoffset;
 | |
| } CTTSEntry;
 | |
| 
 | |
| typedef struct _AtomCTTS
 | |
| {
 | |
|   AtomFull header;
 | |
| 
 | |
|   /* also entry count here */
 | |
|   ATOM_ARRAY (CTTSEntry) entries;
 | |
|   gboolean do_pts;
 | |
| } AtomCTTS;
 | |
| 
 | |
| typedef struct _AtomSVMI
 | |
| {
 | |
|   AtomFull header;
 | |
| 
 | |
|   guint8 stereoscopic_composition_type;
 | |
|   gboolean is_left_first;
 | |
| } AtomSVMI;
 | |
| 
 | |
| typedef struct _AtomSTBL
 | |
| {
 | |
|   Atom header;
 | |
| 
 | |
|   AtomSTSD stsd;
 | |
|   AtomSTTS stts;
 | |
|   AtomSTSS stss;
 | |
|   AtomSTSC stsc;
 | |
|   AtomSTSZ stsz;
 | |
|   /* NULL if not present */
 | |
|   AtomCTTS *ctts;
 | |
|   /* NULL if not present */
 | |
|   AtomSVMI *svmi;
 | |
| 
 | |
|   AtomSTCO64 stco64;
 | |
| } AtomSTBL;
 | |
| 
 | |
| typedef struct _AtomMINF
 | |
| {
 | |
|   Atom header;
 | |
| 
 | |
|   /* only (exactly) one of those must be present */
 | |
|   AtomVMHD *vmhd;
 | |
|   AtomSMHD *smhd;
 | |
|   AtomHMHD *hmhd;
 | |
|   AtomGMHD *gmhd;
 | |
|   AtomNMHD *nmhd;
 | |
| 
 | |
|   AtomHDLR *hdlr;
 | |
|   AtomDINF dinf;
 | |
|   AtomSTBL stbl;
 | |
| } AtomMINF;
 | |
| 
 | |
| typedef struct _EditListEntry
 | |
| {
 | |
|   /* duration in movie's timescale */
 | |
|   guint32 duration;
 | |
|   /* start time in media's timescale, -1 for empty */
 | |
|   guint32 media_time;
 | |
|   guint32 media_rate;  /* fixed point 32 bit */
 | |
| } EditListEntry;
 | |
| 
 | |
| typedef struct _AtomELST
 | |
| {
 | |
|   AtomFull header;
 | |
| 
 | |
|   /* number of entries is implicit */
 | |
|   GSList *entries;
 | |
| } AtomELST;
 | |
| 
 | |
| typedef struct _AtomEDTS
 | |
| {
 | |
|   Atom header;
 | |
|   AtomELST elst;
 | |
| } AtomEDTS;
 | |
| 
 | |
| typedef struct _AtomMDIA
 | |
| {
 | |
|   Atom header;
 | |
| 
 | |
|   AtomMDHD mdhd;
 | |
|   AtomHDLR hdlr;
 | |
|   AtomMINF minf;
 | |
| } AtomMDIA;
 | |
| 
 | |
| typedef struct _AtomILST
 | |
| {
 | |
|   Atom header;
 | |
| 
 | |
|   /* list of AtomInfo */
 | |
|   GList* entries;
 | |
| } AtomILST;
 | |
| 
 | |
| typedef struct _AtomTagData
 | |
| {
 | |
|   AtomFull header;
 | |
|   guint32 reserved;
 | |
| 
 | |
|   guint32 datalen;
 | |
|   guint8* data;
 | |
| } AtomTagData;
 | |
| 
 | |
| typedef struct _AtomTag
 | |
| {
 | |
|   Atom header;
 | |
| 
 | |
|   AtomTagData data;
 | |
| } AtomTag;
 | |
| 
 | |
| typedef struct _AtomMETA
 | |
| {
 | |
|   AtomFull header;
 | |
|   AtomHDLR hdlr;
 | |
|   AtomILST *ilst;
 | |
| } AtomMETA;
 | |
| 
 | |
| typedef struct _AtomUDTA
 | |
| {
 | |
|   Atom header;
 | |
| 
 | |
|   /* list of AtomInfo */
 | |
|   GList* entries;
 | |
|   /* or list is further down */
 | |
|   AtomMETA *meta;
 | |
| 
 | |
|   AtomsContext *context;
 | |
| } AtomUDTA;
 | |
| 
 | |
| enum TrFlags
 | |
| {
 | |
|   TR_DATA_OFFSET              = 0x01,     /* data-offset-present */
 | |
|   TR_FIRST_SAMPLE_FLAGS       = 0x04,     /* first-sample-flags-present */
 | |
|   TR_SAMPLE_DURATION          = 0x0100,   /* sample-duration-present */
 | |
|   TR_SAMPLE_SIZE              = 0x0200,   /* sample-size-present */
 | |
|   TR_SAMPLE_FLAGS             = 0x0400,   /* sample-flags-present */
 | |
|   TR_COMPOSITION_TIME_OFFSETS = 0x0800    /* sample-composition-time-offsets-presents */
 | |
| };
 | |
| 
 | |
| enum TfFlags
 | |
| {
 | |
|   TF_BASE_DATA_OFFSET         = 0x01,     /* base-data-offset-present */
 | |
|   TF_SAMPLE_DESCRIPTION_INDEX = 0x02,     /* sample-description-index-present */
 | |
|   TF_DEFAULT_SAMPLE_DURATION  = 0x08,     /* default-sample-duration-present */
 | |
|   TF_DEFAULT_SAMPLE_SIZE      = 0x010,    /* default-sample-size-present */
 | |
|   TF_DEFAULT_SAMPLE_FLAGS     = 0x020,    /* default-sample-flags-present */
 | |
|   TF_DURATION_IS_EMPTY        = 0x010000, /* sample-composition-time-offsets-presents */
 | |
|   TF_DEFAULT_BASE_IS_MOOF     = 0x020000  /* default-base-is-moof */
 | |
| };
 | |
| 
 | |
| /* Timecode flags */
 | |
| enum TcFlags
 | |
| {
 | |
|   TC_DROP_FRAME = 0x0001,   /* Drop-frame timecode */
 | |
|   TC_24H_MAX = 0x0002,      /* Whether the timecode wraps after 24 hours */
 | |
|   TC_NEGATIVE_OK = 0x0004,  /* Whether negative time values are OK */
 | |
|   TC_COUNTER = 0x0008       /* Whether the time value corresponds to a tape counter value */
 | |
| };
 | |
| 
 | |
| typedef struct _AtomTRAK
 | |
| {
 | |
|   Atom header;
 | |
| 
 | |
|   AtomTKHD tkhd;
 | |
|   AtomInfo *tapt;
 | |
|   AtomEDTS *edts;
 | |
|   AtomMDIA mdia;
 | |
|   AtomUDTA udta;
 | |
|   AtomTREF *tref;
 | |
| 
 | |
|   /* some helper info for structural conformity checks */
 | |
|   gboolean is_video;
 | |
|   gboolean is_h264;
 | |
| 
 | |
|   AtomsContext *context;
 | |
| } AtomTRAK;
 | |
| 
 | |
| typedef struct _AtomTREX
 | |
| {
 | |
|   AtomFull header;
 | |
| 
 | |
|   guint32 track_ID;
 | |
|   guint32 default_sample_description_index;
 | |
|   guint32 default_sample_duration;
 | |
|   guint32 default_sample_size;
 | |
|   guint32 default_sample_flags;
 | |
| } AtomTREX;
 | |
| 
 | |
| typedef struct _AtomMEHD
 | |
| {
 | |
|   AtomFull header;
 | |
| 
 | |
|   guint64 fragment_duration;
 | |
| } AtomMEHD;
 | |
| 
 | |
| 
 | |
| typedef struct _AtomMVEX
 | |
| {
 | |
|   Atom header;
 | |
| 
 | |
|   AtomMEHD mehd;
 | |
| 
 | |
|   /* list of AtomTREX */
 | |
|   GList *trexs;
 | |
| } AtomMVEX;
 | |
| 
 | |
| typedef struct _AtomMFHD
 | |
| {
 | |
|   AtomFull header;
 | |
| 
 | |
|   guint32 sequence_number;
 | |
| } AtomMFHD;
 | |
| 
 | |
| typedef struct _AtomTFHD
 | |
| {
 | |
|   AtomFull header;
 | |
| 
 | |
|   guint32 track_ID;
 | |
|   guint64 base_data_offset;
 | |
|   guint32 sample_description_index;
 | |
|   guint32 default_sample_duration;
 | |
|   guint32 default_sample_size;
 | |
|   guint32 default_sample_flags;
 | |
| } AtomTFHD;
 | |
| 
 | |
| typedef struct _AtomTFDT
 | |
| {
 | |
|   AtomFull header;
 | |
| 
 | |
|   guint64 base_media_decode_time;
 | |
| } AtomTFDT;
 | |
| 
 | |
| typedef struct _TRUNSampleEntry
 | |
| {
 | |
|   guint32 sample_duration;
 | |
|   guint32 sample_size;
 | |
|   guint32 sample_flags;
 | |
|   guint32 sample_composition_time_offset;
 | |
| } TRUNSampleEntry;
 | |
| 
 | |
| typedef struct _AtomTRUN
 | |
| {
 | |
|   AtomFull header;
 | |
| 
 | |
|   guint32 sample_count;
 | |
|   gint32 data_offset;
 | |
|   guint32 first_sample_flags;
 | |
| 
 | |
|   /* array of fields */
 | |
|   ATOM_ARRAY (TRUNSampleEntry) entries;
 | |
| } AtomTRUN;
 | |
| 
 | |
| typedef struct _AtomSDTP
 | |
| {
 | |
|   AtomFull header;
 | |
| 
 | |
|   /* not serialized */
 | |
|   guint32 sample_count;
 | |
| 
 | |
|   /* array of fields */
 | |
|   ATOM_ARRAY (guint8) entries;
 | |
| } AtomSDTP;
 | |
| 
 | |
| typedef struct _AtomTRAF
 | |
| {
 | |
|   Atom header;
 | |
| 
 | |
|   AtomTFHD tfhd;
 | |
| 
 | |
|   AtomTFDT tfdt;
 | |
| 
 | |
|   /* list of AtomTRUN. */
 | |
|   GList *truns;
 | |
|   /* list of AtomSDTP */
 | |
|   GList *sdtps;
 | |
| } AtomTRAF;
 | |
| 
 | |
| typedef struct _AtomMOOF
 | |
| {
 | |
|   Atom header;
 | |
| 
 | |
|   AtomMFHD mfhd;
 | |
| 
 | |
|   /* list of AtomTRAF */
 | |
|   GList *trafs;
 | |
| 
 | |
|   guint64 traf_offset;
 | |
| } AtomMOOF;
 | |
| 
 | |
| 
 | |
| typedef struct _AtomMOOV
 | |
| {
 | |
|   /* style */
 | |
|   AtomsContext context;
 | |
| 
 | |
|   Atom header;
 | |
| 
 | |
|   AtomMVHD mvhd;
 | |
|   AtomMVEX mvex;
 | |
| 
 | |
|   /* list of AtomTRAK */
 | |
|   GList *traks;
 | |
|   AtomUDTA udta;
 | |
| 
 | |
|   gboolean fragmented;
 | |
|   guint32 chunks_offset;
 | |
| } AtomMOOV;
 | |
| 
 | |
| typedef struct _AtomWAVE
 | |
| {
 | |
|   Atom header;
 | |
| 
 | |
|   /* list of AtomInfo */
 | |
|   GList *extension_atoms;
 | |
| } AtomWAVE;
 | |
| 
 | |
| typedef struct _TFRAEntry
 | |
| {
 | |
|   guint64 time;
 | |
|   guint64 moof_offset;
 | |
|   guint32 traf_number;
 | |
|   guint32 trun_number;
 | |
|   guint32 sample_number;
 | |
| } TFRAEntry;
 | |
| 
 | |
| typedef struct _AtomTFRA
 | |
| {
 | |
|   AtomFull header;
 | |
| 
 | |
|   guint32 track_ID;
 | |
|   guint32 lengths;
 | |
|   /* array of entries */
 | |
|   ATOM_ARRAY (TFRAEntry) entries;
 | |
| } AtomTFRA;
 | |
| 
 | |
| typedef struct _AtomMFRA
 | |
| {
 | |
|   Atom header;
 | |
| 
 | |
|   /* list of tfra */
 | |
|   GList *tfras;
 | |
| } AtomMFRA;
 | |
| 
 | |
| /*
 | |
|  * Function to serialize an atom
 | |
|  */
 | |
| typedef guint64 (*AtomCopyDataFunc) (Atom *atom, guint8 **buffer, guint64 *size, guint64 *offset);
 | |
| 
 | |
| /*
 | |
|  * Releases memory allocated by an atom
 | |
|  */
 | |
| typedef guint64 (*AtomFreeFunc) (Atom *atom);
 | |
| 
 | |
| /*
 | |
|  * Some atoms might have many optional different kinds of child atoms, so this
 | |
|  * is useful for enabling generic handling of any atom.
 | |
|  * All we need are the two functions (copying it to an array
 | |
|  * for serialization and the memory releasing function).
 | |
|  */
 | |
| struct _AtomInfo
 | |
| {
 | |
|   Atom *atom;
 | |
|   AtomCopyDataFunc copy_data_func;
 | |
|   AtomFreeFunc free_func;
 | |
| };
 | |
| 
 | |
| guint64    atoms_get_current_qt_time   (void);
 | |
| 
 | |
| guint64    atom_copy_data              (Atom *atom, guint8 **buffer,
 | |
|                                         guint64 *size, guint64* offset);
 | |
| 
 | |
| AtomFTYP*  atom_ftyp_new               (AtomsContext *context, guint32 major,
 | |
|                                         guint32 version, GList *brands);
 | |
| guint64    atom_ftyp_copy_data         (AtomFTYP *ftyp, guint8 **buffer,
 | |
|                                         guint64 *size, guint64 *offset);
 | |
| void       atom_ftyp_free              (AtomFTYP *ftyp);
 | |
| 
 | |
| AtomTRAK*  atom_trak_new               (AtomsContext *context);
 | |
| void       atom_trak_add_samples       (AtomTRAK * trak, guint32 nsamples, guint32 delta,
 | |
|                                         guint32 size, guint64 chunk_offset, gboolean sync,
 | |
|                                         gint64 pts_offset);
 | |
| void       atom_trak_set_elst_entry    (AtomTRAK * trak, gint index, guint32 duration,
 | |
|                                         guint32 media_time, guint32 rate);
 | |
| void       atom_trak_edts_clear        (AtomTRAK * trak);
 | |
| guint32    atom_trak_get_timescale     (AtomTRAK *trak);
 | |
| guint32    atom_trak_get_id            (AtomTRAK * trak);
 | |
| void       atom_trak_set_constant_size_samples (AtomTRAK * trak, guint32 sample_size);
 | |
| void       atom_stbl_add_samples       (AtomSTBL * stbl, guint32 nsamples,
 | |
|                                         guint32 delta, guint32 size,
 | |
|                                         guint64 chunk_offset, gboolean sync,
 | |
|                                         gint64 pts_offset);
 | |
| void       atom_stsc_add_new_entry     (AtomSTSC * stsc,
 | |
|                                         guint32 first_chunk, guint32 nsamples, guint32 sample_description_index);
 | |
| 
 | |
| AtomMOOV*  atom_moov_new               (AtomsContext *context);
 | |
| void       atom_moov_free              (AtomMOOV *moov);
 | |
| guint64    atom_moov_copy_data         (AtomMOOV *atom, guint8 **buffer, guint64 *size, guint64* offset);
 | |
| void       atom_moov_update_timescale  (AtomMOOV *moov, guint32 timescale);
 | |
| void       atom_moov_update_duration   (AtomMOOV *moov);
 | |
| void       atom_moov_set_fragmented    (AtomMOOV *moov, gboolean fragmented);
 | |
| void       atom_moov_chunks_set_offset (AtomMOOV *moov, guint32 offset);
 | |
| void       atom_moov_add_trak          (AtomMOOV *moov, AtomTRAK *trak);
 | |
| guint      atom_moov_get_trak_count    (AtomMOOV *moov);
 | |
| 
 | |
| guint      atom_framerate_to_timescale (gint fps_n, gint fps_d);
 | |
| 
 | |
| guint64    atom_mvhd_copy_data         (AtomMVHD * atom, guint8 ** buffer,
 | |
|                                         guint64 * size, guint64 * offset);
 | |
| void       atom_stco64_chunks_set_offset (AtomSTCO64 * stco64, guint32 offset);
 | |
| guint64    atom_trak_copy_data         (AtomTRAK * atom, guint8 ** buffer,
 | |
|                                         guint64 * size, guint64 * offset);
 | |
| void       atom_stbl_clear             (AtomSTBL * stbl);
 | |
| void       atom_stbl_init              (AtomSTBL * stbl);
 | |
| guint64    atom_stss_copy_data         (AtomSTSS *atom, guint8 **buffer,
 | |
|                                         guint64 *size, guint64* offset);
 | |
| guint64    atom_stts_copy_data         (AtomSTTS *atom, guint8 **buffer,
 | |
|                                         guint64 *size, guint64* offset);
 | |
| guint64    atom_stsc_copy_data         (AtomSTSC *atom, guint8 **buffer,
 | |
|                                         guint64 *size, guint64* offset);
 | |
| guint64    atom_stsz_copy_data         (AtomSTSZ *atom, guint8 **buffer,
 | |
|                                         guint64 *size, guint64* offset);
 | |
| guint64    atom_ctts_copy_data         (AtomCTTS *atom, guint8 **buffer,
 | |
|                                         guint64 *size, guint64* offset);
 | |
| guint64    atom_svmi_copy_data         (AtomSVMI *atom, guint8 **buffer,
 | |
|                                         guint64 *size, guint64* offset);
 | |
| AtomSVMI * atom_svmi_new (guint8 stereoscopic_composition_type, gboolean is_left_first);
 | |
| guint64    atom_stco64_copy_data       (AtomSTCO64 *atom, guint8 **buffer,
 | |
|                                         guint64 *size, guint64* offset);
 | |
| AtomMOOF*  atom_moof_new               (AtomsContext *context, guint32 sequence_number);
 | |
| void       atom_moof_free              (AtomMOOF *moof);
 | |
| guint64    atom_moof_copy_data         (AtomMOOF *moof, guint8 **buffer, guint64 *size, guint64* offset);
 | |
| void       atom_moof_set_base_offset   (AtomMOOF * moof, guint64 offset);
 | |
| AtomTRAF * atom_traf_new               (AtomsContext * context, guint32 track_ID);
 | |
| void       atom_traf_free              (AtomTRAF * traf);
 | |
| void       atom_traf_set_base_decode_time (AtomTRAF * traf, guint64 base_decode_time);
 | |
| void       atom_traf_add_samples       (AtomTRAF * traf, guint32 nsamples, guint32 delta,
 | |
|                                         guint32 size, gint32 data_offset, gboolean sync,
 | |
|                                         gint64 pts_offset, gboolean sdtp_sync);
 | |
| guint32    atom_traf_get_sample_num    (AtomTRAF * traf);
 | |
| void       atom_trun_set_offset        (AtomTRUN * trun, gint32 offset);
 | |
| void       atom_moof_add_traf          (AtomMOOF *moof, AtomTRAF *traf);
 | |
| 
 | |
| AtomMFRA*  atom_mfra_new               (AtomsContext *context);
 | |
| void       atom_mfra_free              (AtomMFRA *mfra);
 | |
| AtomTFRA*  atom_tfra_new               (AtomsContext *context, guint32 track_ID);
 | |
| void       atom_tfra_add_entry         (AtomTFRA *tfra, guint64 dts, guint32 sample_num);
 | |
| void       atom_tfra_update_offset     (AtomTFRA * tfra, guint64 offset);
 | |
| void       atom_mfra_add_tfra          (AtomMFRA *mfra, AtomTFRA *tfra);
 | |
| guint64    atom_mfra_copy_data         (AtomMFRA *mfra, guint8 **buffer, guint64 *size, guint64* offset);
 | |
| 
 | |
| 
 | |
| /* media sample description related helpers */
 | |
| typedef struct
 | |
| {
 | |
|   guint16 version;
 | |
|   guint32 fourcc;
 | |
|   guint width;
 | |
|   guint height;
 | |
|   guint depth;
 | |
|   guint frame_count;
 | |
|   gint color_table_id;
 | |
|   guint par_n;
 | |
|   guint par_d;
 | |
| 
 | |
|   GstBuffer *codec_data;
 | |
| } VisualSampleEntry;
 | |
| 
 | |
| typedef struct
 | |
| {
 | |
|   guint32 fourcc;
 | |
|   guint version;
 | |
|   gint compression_id;
 | |
|   guint sample_rate;
 | |
|   guint channels;
 | |
|   guint sample_size;
 | |
|   guint bytes_per_packet;
 | |
|   guint samples_per_packet;
 | |
|   guint bytes_per_sample;
 | |
|   guint bytes_per_frame;
 | |
| 
 | |
|   GstBuffer *codec_data;
 | |
| } AudioSampleEntry;
 | |
| 
 | |
| typedef struct
 | |
| {
 | |
|   guint32 fourcc;
 | |
| 
 | |
|   guint8  font_face; /* bold=0x1, italic=0x2, underline=0x4 */
 | |
|   guint8  font_size;
 | |
|   guint32 foreground_color_rgba;
 | |
| } SubtitleSampleEntry;
 | |
| 
 | |
| void subtitle_sample_entry_init (SubtitleSampleEntry * entry);
 | |
| 
 | |
| SampleTableEntryMP4A * atom_trak_set_audio_type (AtomTRAK * trak, AtomsContext * context,
 | |
|                                AudioSampleEntry * entry, guint32 scale,
 | |
|                                AtomInfo * ext, gint sample_size);
 | |
| 
 | |
| SampleTableEntryMP4V * atom_trak_set_video_type (AtomTRAK * trak, AtomsContext * context,
 | |
|                                VisualSampleEntry * entry, guint32 rate,
 | |
|                                GList * ext_atoms_list);
 | |
| 
 | |
| SampleTableEntryTX3G * atom_trak_set_subtitle_type (AtomTRAK * trak, AtomsContext * context,
 | |
|                                SubtitleSampleEntry * entry);
 | |
| 
 | |
| SampleTableEntryTMCD *
 | |
| atom_trak_set_timecode_type (AtomTRAK * trak, AtomsContext * context, guint trak_timescale, GstVideoTimeCode * tc);
 | |
| 
 | |
| SampleTableEntry * atom_trak_set_caption_type (AtomTRAK *trak, AtomsContext *context,
 | |
| 					       guint32 trak_timescale, guint32 caption_type);
 | |
| 
 | |
| void atom_trak_update_bitrates (AtomTRAK * trak, guint32 avg_bitrate,
 | |
|                                 guint32 max_bitrate);
 | |
| 
 | |
| void atom_trak_tx3g_update_dimension (AtomTRAK * trak, guint32 width,
 | |
|                                       guint32 height);
 | |
| 
 | |
| void sample_table_entry_add_ext_atom (SampleTableEntry * ste, AtomInfo * ext);
 | |
| 
 | |
| AtomInfo *   build_codec_data_extension  (guint32 fourcc, const GstBuffer * codec_data);
 | |
| AtomInfo *   build_mov_aac_extension     (AtomTRAK * trak, const GstBuffer * codec_data,
 | |
|                                           guint32 avg_bitrate, guint32 max_bitrate);
 | |
| AtomInfo *   build_mov_alac_extension    (const GstBuffer * codec_data);
 | |
| AtomInfo *   build_esds_extension        (AtomTRAK * trak, guint8 object_type,
 | |
|                                           guint8 stream_type, const GstBuffer * codec_data,
 | |
|                                           guint32 avg_bitrate, guint32 max_bitrate);
 | |
| AtomInfo *   build_btrt_extension        (guint32 buffer_size_db, guint32 avg_bitrate,
 | |
|                                           guint32 max_bitrate);
 | |
| AtomInfo *   build_jp2h_extension        (gint width, gint height, const gchar *colorspace,
 | |
|                                           gint ncomp, const GValue * cmap_array,
 | |
|                                           const GValue * cdef_array);
 | |
| 
 | |
| AtomInfo *   build_jp2x_extension        (const GstBuffer * prefix);
 | |
| AtomInfo *   build_fiel_extension        (GstVideoInterlaceMode mode, GstVideoFieldOrder order);
 | |
| AtomInfo *   build_colr_extension        (const GstVideoColorimetry *colorimetry, gboolean is_mp4);
 | |
| AtomInfo *   build_clap_extension        (gint width_n, gint width_d, gint height_n, gint height_d, gint h_off_n, gint h_off_d, gint v_off_n, gint v_off_d);
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| AtomInfo *   build_tapt_extension        (gint clef_width, gint clef_height, gint prof_width, gint prof_height, gint enof_width, gint enof_height);
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| 
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| 
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| AtomInfo *   build_ac3_extension         (guint8 fscod, guint8 bsid,
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|                                           guint8 bsmod, guint8 acmod,
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|                                           guint8 lfe_on, guint8 bitrate_code);
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| AtomInfo *   build_opus_extension        (guint32 rate, guint8 channels, guint8 mapping_family,
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|                                           guint8 stream_count, guint8 coupled_count,
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|                                           guint8 channel_mapping[256], guint16 pre_skip,
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|                                           guint16 output_gain);
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| 
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| AtomInfo *   build_amr_extension         (void);
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| AtomInfo *   build_h263_extension        (void);
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| AtomInfo *   build_gama_atom             (gdouble gamma);
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| AtomInfo *   build_SMI_atom              (const GstBuffer *seqh);
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| AtomInfo *   build_ima_adpcm_extension   (gint channels, gint rate,
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|                                           gint blocksize);
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| AtomInfo *   build_uuid_xmp_atom         (GstBuffer * xmp);
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| AtomInfo *   build_vpcC_extension        (guint8 profile, guint8 level, guint8 bit_depth,
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|                                           guint8 chroma_subsampling, gboolean video_full_range,
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|                                           guint8 colour_primaries, guint8 transfer_characteristics,
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|                                           guint8 matrix_coefficients);
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| 
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| 
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| /*
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|  * Meta tags functions
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|  */
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| void atom_udta_clear_tags (AtomUDTA *udta);
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| void atom_udta_add_str_tag    (AtomUDTA *udta, guint32 fourcc, const gchar *value);
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| void atom_udta_add_uint_tag   (AtomUDTA *udta, guint32 fourcc, guint32 flags,
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|                                guint32 value);
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| void atom_udta_add_tag        (AtomUDTA *udta, guint32 fourcc, guint32 flags,
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|                                const guint8 * data, guint size);
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| void atom_udta_add_blob_tag   (AtomUDTA *udta, guint8 *data, guint size);
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| 
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| void atom_udta_add_3gp_str_tag       (AtomUDTA *udta, guint32 fourcc, const gchar * value);
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| void atom_udta_add_3gp_uint_tag      (AtomUDTA *udta, guint32 fourcc, guint16 value);
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| void atom_udta_add_3gp_str_int_tag   (AtomUDTA *udta, guint32 fourcc, const gchar * value,
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|                                       gint16 ivalue);
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| void atom_udta_add_3gp_tag           (AtomUDTA *udta, guint32 fourcc, guint8 * data,
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|                                       guint size);
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| 
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| void atom_udta_add_xmp_tags          (AtomUDTA *udta, GstBuffer * xmp);
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| 
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| AtomTREF * atom_tref_new (guint32 reftype);
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| void atom_tref_add_entry (AtomTREF * tref, guint32 sample);
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| 
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| #define GST_QT_MUX_DEFAULT_TAG_LANGUAGE   "und" /* undefined/unknown */
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| guint16  language_code               (const char * lang);
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| 
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| #endif /* __ATOMS_H__ */
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