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/* Quicktime muxer plugin for GStreamer
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* Copyright (C) 2008 Thiago Sousa Santos <thiagoss@embedded.ufcg.edu.br>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Unless otherwise indicated, Source Code is licensed under MIT license.
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* See further explanation attached in License Statement (distributed in the file
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* LICENSE).
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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* 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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*
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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
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef __ATOMS_H__
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#define __ATOMS_H__
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#include <glib.h>
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#include <string.h>
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#include "descriptors.h"
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#include "properties.h"
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#include "fourcc.h"
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#include "ftypcc.h"
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/* light-weight context that may influence header atom tree construction */
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typedef enum _AtomsTreeFlavor
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{
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ATOMS_TREE_FLAVOR_MOV,
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ATOMS_TREE_FLAVOR_ISOM,
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ATOMS_TREE_FLAVOR_3GP
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} AtomsTreeFlavor;
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typedef struct _AtomsContext
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{
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AtomsTreeFlavor flavor;
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} AtomsContext;
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AtomsContext* atoms_context_new (AtomsTreeFlavor flavor);
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void atoms_context_free (AtomsContext *context);
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#define METADATA_DATA_FLAG 0x0
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#define METADATA_TEXT_FLAG 0x1
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/* atom defs and functions */
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/**
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* Used for storing time related values for some atoms.
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*/
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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;
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} TimeInfo;
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typedef struct _Atom
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{
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guint32 size;
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guint32 type;
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guint64 extended_size;
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} Atom;
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typedef struct _AtomFull
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{
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Atom header;
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guint8 version;
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guint8 flags[3];
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} AtomFull;
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/*
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* Generic extension atom
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*/
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typedef struct _AtomData
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{
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Atom header;
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/* not written */
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guint32 datalen;
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guint8 *data;
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} AtomData;
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typedef struct _AtomFTYP
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{
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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;
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} AtomFTYP;
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typedef struct _AtomMVHD
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{
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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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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 */
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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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/* 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;
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guint32 next_track_id;
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} AtomMVHD;
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typedef struct _AtomTKHD
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{
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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;
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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;
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} AtomTKHD;
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typedef struct _AtomMDHD
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{
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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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typedef struct _AtomHDLR
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{
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AtomFull header;
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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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} 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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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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guint16 balance;
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guint16 reserved;
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} AtomSMHD;
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typedef struct _AtomHMHD
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{
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AtomFull header;
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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 _AtomURL
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{
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AtomFull header;
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gchar *location;
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} AtomURL;
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typedef struct _AtomDREF
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{
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AtomFull header;
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GList *entries;
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} AtomDREF;
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typedef struct _AtomDINF
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{
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Atom header;
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AtomDREF dref;
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} AtomDINF;
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typedef struct _STTSEntry
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{
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guint32 sample_count;
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gint32 sample_delta;
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} STTSEntry;
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typedef struct _AtomSTTS
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{
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AtomFull header;
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guint n_entries;
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/* list of STTSEntry */
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GList *entries;
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} AtomSTTS;
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typedef struct _AtomSTSS
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{
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AtomFull header;
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guint n_entries;
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/* list of sample indexes (guint32) */
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GList *entries;
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} AtomSTSS;
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typedef struct _AtomESDS
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{
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AtomFull header;
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ESDescriptor es;
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} AtomESDS;
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typedef struct _AtomFRMA
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{
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Atom header;
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guint32 media_type;
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} AtomFRMA;
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typedef enum _SampleEntryKind
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{
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UNKNOWN,
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AUDIO,
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VIDEO
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} SampleEntryKind;
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typedef struct _SampleTableEntry
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{
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Atom header;
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guint8 reserved[6];
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guint16 data_reference_index;
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/* sort of entry */
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SampleEntryKind kind;
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} SampleTableEntry;
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typedef struct _AtomHintSampleEntry
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{
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SampleTableEntry se;
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guint32 size;
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guint8 *data;
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} AtomHintSampleEntry;
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typedef struct _SampleTableEntryMP4V
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{
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SampleTableEntry se;
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guint16 version;
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guint16 revision_level;
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guint32 vendor; /* fourcc code */
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guint32 temporal_quality;
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guint32 spatial_quality;
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guint16 width;
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guint16 height;
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guint32 horizontal_resolution;
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guint32 vertical_resolution;
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guint32 datasize;
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guint16 frame_count; /* usually 1 */
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guint8 compressor[32]; /* pascal string, i.e. first byte = length */
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guint16 depth;
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guint16 color_table_id;
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/* (optional) list of AtomInfo */
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GList *extension_atoms;
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} SampleTableEntryMP4V;
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typedef struct _SampleTableEntryMP4A
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{
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SampleTableEntry se;
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guint16 version;
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guint16 revision_level;
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guint32 vendor;
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349 |
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guint16 channels;
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guint16 sample_size;
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guint16 compression_id;
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guint16 packet_size;
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354 |
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guint32 sample_rate; /* fixed point 16.16 */
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356 |
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guint32 samples_per_packet;
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guint32 bytes_per_packet;
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guint32 bytes_per_frame;
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guint32 bytes_per_sample;
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361 |
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362 |
/* (optional) list of AtomInfo */
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GList *extension_atoms;
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} SampleTableEntryMP4A;
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typedef struct _SampleTableEntryMP4S
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{
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368 |
SampleTableEntry se;
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369 |
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AtomESDS es;
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} SampleTableEntryMP4S;
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typedef struct _AtomSTSD
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{
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AtomFull header;
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376 |
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guint n_entries;
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378 |
/* list of subclasses of SampleTableEntry */
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379 |
GList *entries;
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380 |
} AtomSTSD;
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381 |
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382 |
typedef struct _AtomSTSZ
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383 |
{
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384 |
AtomFull header;
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385 |
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386 |
guint32 sample_size;
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387 |
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388 |
/* need the size here because when sample_size is constant,
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* the list is empty */
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390 |
guint32 table_size;
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391 |
/* list of guint32 */
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392 |
GList *entries;
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393 |
} AtomSTSZ;
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394 |
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395 |
typedef struct _STSCEntry
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396 |
{
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397 |
guint32 first_chunk;
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398 |
guint32 samples_per_chunk;
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399 |
guint32 sample_description_index;
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400 |
} STSCEntry;
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401 |
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402 |
typedef struct _AtomSTSC
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403 |
{
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404 |
AtomFull header;
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405 |
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406 |
guint n_entries;
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407 |
/* list of STSCEntry */
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408 |
GList *entries;
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409 |
} AtomSTSC;
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410 |
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411 |
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412 |
/*
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413 |
* used for both STCO and CO64
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414 |
* if used as STCO, entries should be truncated to use only 32bits
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415 |
*/
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416 |
typedef struct _AtomSTCO64
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417 |
{
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418 |
AtomFull header;
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419 |
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420 |
guint n_entries;
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421 |
/* list of guint64 */
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422 |
GList *entries;
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|
423 |
} AtomSTCO64;
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424 |
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425 |
typedef struct _CTTSEntry
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426 |
{
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|
427 |
guint32 samplecount;
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428 |
guint32 sampleoffset;
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|
429 |
} CTTSEntry;
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|
430 |
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431 |
typedef struct _AtomCTTS
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|
432 |
{
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433 |
AtomFull header;
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434 |
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|
435 |
/* also entry count here */
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|
436 |
guint n_entries;
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|
437 |
GList *entries;
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|
438 |
} AtomCTTS;
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|
439 |
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|
440 |
typedef struct _AtomSTBL
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441 |
{
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442 |
Atom header;
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443 |
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444 |
AtomSTSD stsd;
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445 |
AtomSTTS stts;
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446 |
AtomSTSS stss;
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|
447 |
AtomSTSC stsc;
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|
448 |
AtomSTSZ stsz;
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|
449 |
/* NULL if not present */
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|
450 |
AtomCTTS *ctts;
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|
451 |
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|
452 |
AtomSTCO64 stco64;
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|
453 |
} AtomSTBL;
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|
454 |
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|
455 |
typedef struct _AtomMINF
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|
456 |
{
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|
457 |
Atom header;
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|
458 |
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|
459 |
/* only (exactly) one of those must be present */
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|
460 |
AtomVMHD *vmhd;
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|
461 |
AtomSMHD *smhd;
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|
462 |
AtomHMHD *hmhd;
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|
463 |
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|
464 |
AtomHDLR *hdlr;
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|
465 |
AtomDINF dinf;
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|
466 |
AtomSTBL stbl;
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|
467 |
} AtomMINF;
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|
468 |
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|
469 |
typedef struct _AtomMDIA
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|
470 |
{
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|
471 |
Atom header;
|
|
472 |
|
|
473 |
AtomMDHD mdhd;
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|
474 |
AtomHDLR hdlr;
|
|
475 |
AtomMINF minf;
|
|
476 |
} AtomMDIA;
|
|
477 |
|
|
478 |
typedef struct _AtomILST
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|
479 |
{
|
|
480 |
Atom header;
|
|
481 |
|
|
482 |
/* list of AtomInfo */
|
|
483 |
GList* entries;
|
|
484 |
} AtomILST;
|
|
485 |
|
|
486 |
typedef struct _AtomTagData
|
|
487 |
{
|
|
488 |
AtomFull header;
|
|
489 |
guint32 reserved;
|
|
490 |
|
|
491 |
guint32 datalen;
|
|
492 |
guint8* data;
|
|
493 |
} AtomTagData;
|
|
494 |
|
|
495 |
typedef struct _AtomTag
|
|
496 |
{
|
|
497 |
Atom header;
|
|
498 |
|
|
499 |
AtomTagData data;
|
|
500 |
} AtomTag;
|
|
501 |
|
|
502 |
typedef struct _AtomMETA
|
|
503 |
{
|
|
504 |
AtomFull header;
|
|
505 |
AtomHDLR hdlr;
|
|
506 |
AtomILST *ilst;
|
|
507 |
} AtomMETA;
|
|
508 |
|
|
509 |
typedef struct _AtomUDTA
|
|
510 |
{
|
|
511 |
Atom header;
|
|
512 |
|
|
513 |
/* list of AtomInfo */
|
|
514 |
GList* entries;
|
|
515 |
/* or list is further down */
|
|
516 |
AtomMETA *meta;
|
|
517 |
} AtomUDTA;
|
|
518 |
|
|
519 |
typedef struct _AtomTRAK
|
|
520 |
{
|
|
521 |
Atom header;
|
|
522 |
|
|
523 |
AtomTKHD tkhd;
|
|
524 |
AtomMDIA mdia;
|
|
525 |
|
|
526 |
/* some helper info for structural conformity checks */
|
|
527 |
gboolean is_video;
|
|
528 |
gboolean is_h264;
|
|
529 |
} AtomTRAK;
|
|
530 |
|
|
531 |
typedef struct _AtomMOOV
|
|
532 |
{
|
|
533 |
/* style */
|
|
534 |
AtomsContext context;
|
|
535 |
|
|
536 |
Atom header;
|
|
537 |
|
|
538 |
AtomMVHD mvhd;
|
|
539 |
|
|
540 |
/* list of AtomTRAK */
|
|
541 |
GList *traks;
|
|
542 |
AtomUDTA *udta;
|
|
543 |
} AtomMOOV;
|
|
544 |
|
|
545 |
typedef struct _AtomWAVE
|
|
546 |
{
|
|
547 |
Atom header;
|
|
548 |
|
|
549 |
/* list of AtomInfo */
|
|
550 |
GList *extension_atoms;
|
|
551 |
} AtomWAVE;
|
|
552 |
|
|
553 |
|
|
554 |
/*
|
|
555 |
* Function to serialize an atom
|
|
556 |
*/
|
|
557 |
typedef guint64 (*AtomCopyDataFunc) (Atom *atom, guint8 **buffer, guint64 *size, guint64 *offset);
|
|
558 |
|
|
559 |
/*
|
|
560 |
* Releases memory allocated by an atom
|
|
561 |
*/
|
|
562 |
typedef guint64 (*AtomFreeFunc) (Atom *atom);
|
|
563 |
|
|
564 |
/*
|
|
565 |
* Some atoms might have many optional different kinds of child atoms, so this
|
|
566 |
* is useful for enabling generic handling of any atom.
|
|
567 |
* All we need are the two functions (copying it to an array
|
|
568 |
* for serialization and the memory releasing function).
|
|
569 |
*/
|
|
570 |
typedef struct _AtomInfo
|
|
571 |
{
|
|
572 |
Atom *atom;
|
|
573 |
AtomCopyDataFunc copy_data_func;
|
|
574 |
AtomFreeFunc free_func;
|
|
575 |
} AtomInfo;
|
|
576 |
|
|
577 |
|
|
578 |
guint64 atom_copy_data (Atom *atom, guint8 **buffer,
|
|
579 |
guint64 *size, guint64* offset);
|
|
580 |
|
|
581 |
AtomFTYP* atom_ftyp_new (AtomsContext *context, guint32 major,
|
|
582 |
guint32 version, GList *brands);
|
|
583 |
guint64 atom_ftyp_copy_data (AtomFTYP *ftyp, guint8 **buffer,
|
|
584 |
guint64 *size, guint64 *offset);
|
|
585 |
void atom_ftyp_free (AtomFTYP *ftyp);
|
|
586 |
|
|
587 |
AtomTRAK* atom_trak_new (AtomsContext *context);
|
|
588 |
void atom_trak_add_samples (AtomTRAK * trak, guint32 nsamples, guint32 delta,
|
|
589 |
guint32 size, guint64 chunk_offset, gboolean sync,
|
|
590 |
gboolean do_pts, gint64 pts_offset);
|
|
591 |
guint32 atom_trak_get_timescale (AtomTRAK *trak);
|
|
592 |
|
|
593 |
AtomMOOV* atom_moov_new (AtomsContext *context);
|
|
594 |
void atom_moov_free (AtomMOOV *moov);
|
|
595 |
guint64 atom_moov_copy_data (AtomMOOV *atom, guint8 **buffer, guint64 *size, guint64* offset);
|
|
596 |
void atom_moov_update_timescale (AtomMOOV *moov, guint32 timescale);
|
|
597 |
void atom_moov_update_duration (AtomMOOV *moov);
|
|
598 |
void atom_moov_set_64bits (AtomMOOV *moov, gboolean large_file);
|
|
599 |
void atom_moov_chunks_add_offset (AtomMOOV *moov, guint32 offset);
|
|
600 |
void atom_moov_add_trak (AtomMOOV *moov, AtomTRAK *trak);
|
|
601 |
|
|
602 |
/* media sample description related helpers */
|
|
603 |
|
|
604 |
typedef struct
|
|
605 |
{
|
|
606 |
guint32 fourcc;
|
|
607 |
guint width;
|
|
608 |
guint height;
|
|
609 |
guint depth;
|
|
610 |
guint frame_count;
|
|
611 |
gint color_table_id;
|
|
612 |
guint par_n;
|
|
613 |
guint par_d;
|
|
614 |
|
|
615 |
GstBuffer *codec_data;
|
|
616 |
} VisualSampleEntry;
|
|
617 |
|
|
618 |
typedef struct
|
|
619 |
{
|
|
620 |
guint32 fourcc;
|
|
621 |
guint version;
|
|
622 |
gint compression_id;
|
|
623 |
guint sample_rate;
|
|
624 |
guint channels;
|
|
625 |
guint sample_size;
|
|
626 |
guint bytes_per_packet;
|
|
627 |
guint samples_per_packet;
|
|
628 |
guint bytes_per_sample;
|
|
629 |
guint bytes_per_frame;
|
|
630 |
|
|
631 |
GstBuffer *codec_data;
|
|
632 |
} AudioSampleEntry;
|
|
633 |
|
|
634 |
void atom_trak_set_audio_type (AtomTRAK * trak, AtomsContext * context,
|
|
635 |
AudioSampleEntry * entry, guint32 scale,
|
|
636 |
AtomInfo * ext, gint sample_size);
|
|
637 |
void atom_trak_set_video_type (AtomTRAK * trak, AtomsContext * context,
|
|
638 |
VisualSampleEntry * entry, guint32 rate,
|
|
639 |
AtomInfo * ext);
|
|
640 |
|
|
641 |
AtomInfo * build_codec_data_extension (guint32 fourcc, const GstBuffer * codec_data);
|
|
642 |
AtomInfo * build_mov_aac_extension (AtomTRAK * trak, const GstBuffer * codec_data);
|
|
643 |
AtomInfo * build_esds_extension (AtomTRAK * trak, guint8 object_type,
|
|
644 |
guint8 stream_type, const GstBuffer * codec_data);
|
|
645 |
AtomInfo * build_jp2h_extension (AtomTRAK * trak, gint width, gint height,
|
|
646 |
guint32 fourcc);
|
|
647 |
AtomInfo * build_amr_extension ();
|
|
648 |
AtomInfo * build_h263_extension ();
|
|
649 |
|
|
650 |
|
|
651 |
/*
|
|
652 |
* Meta tags functions
|
|
653 |
*/
|
|
654 |
void atom_moov_add_str_tag (AtomMOOV *moov, guint32 fourcc, const gchar *value);
|
|
655 |
void atom_moov_add_uint_tag (AtomMOOV *moov, guint32 fourcc, guint32 flags,
|
|
656 |
guint32 value);
|
|
657 |
void atom_moov_add_tag (AtomMOOV *moov, guint32 fourcc, guint32 flags,
|
|
658 |
const guint8 * data, guint size);
|
|
659 |
void atom_moov_add_blob_tag (AtomMOOV *moov, guint8 *data, guint size);
|
|
660 |
|
|
661 |
void atom_moov_add_3gp_str_tag (AtomMOOV * moov, guint32 fourcc, const gchar * value);
|
|
662 |
void atom_moov_add_3gp_uint_tag (AtomMOOV * moov, guint32 fourcc, guint16 value);
|
|
663 |
void atom_moov_add_3gp_str_int_tag (AtomMOOV * moov, guint32 fourcc, const gchar * value,
|
|
664 |
gint16 ivalue);
|
|
665 |
void atom_moov_add_3gp_tag (AtomMOOV * moov, guint32 fourcc, guint8 * data,
|
|
666 |
guint size);
|
|
667 |
|
|
668 |
#define GST_QT_MUX_DEFAULT_TAG_LANGUAGE "eng"
|
|
669 |
guint16 language_code (const char * lang);
|
|
670 |
|
|
671 |
#endif /* __ATOMS_H__ */
|