mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-05 09:00:54 +00:00
764 lines
20 KiB
C
764 lines
20 KiB
C
/* Quicktime muxer plugin for GStreamer
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* Copyright (C) 2008-2010 Thiago 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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/* helper storage struct */
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#define ATOM_ARRAY(struct_type) \
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struct { \
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guint size; \
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guint len; \
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struct_type *data; \
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}
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/* storage helpers */
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#define atom_array_init(array, reserve) \
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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); \
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} G_STMT_END
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#define atom_array_append(array, elmt, inc) \
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G_STMT_START { \
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g_assert ((array)->data); \
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g_assert (inc > 0); \
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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); \
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} \
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(array)->data[(array)->len] = elmt; \
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(array)->len++; \
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} G_STMT_END
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#define atom_array_get_len(array) ((array)->len)
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#define atom_array_index(array, index) ((array)->data[index])
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#define atom_array_clear(array) \
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G_STMT_START { \
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(array)->size = (array)->len = 0; \
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g_free ((array)->data); \
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(array)->data = NULL; \
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} G_STMT_END
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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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ATOM_ARRAY (STTSEntry) 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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ATOM_ARRAY (guint32) 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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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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guint32 sample_rate; /* fixed point 16.16 */
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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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/* (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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SampleTableEntry se;
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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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guint n_entries;
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/* list of subclasses of SampleTableEntry */
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GList *entries;
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} AtomSTSD;
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typedef struct _AtomSTSZ
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{
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AtomFull header;
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guint32 sample_size;
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/* need the size here because when sample_size is constant,
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* the list is empty */
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guint32 table_size;
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ATOM_ARRAY (guint32) entries;
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} AtomSTSZ;
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typedef struct _STSCEntry
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{
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guint32 first_chunk;
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guint32 samples_per_chunk;
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guint32 sample_description_index;
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} STSCEntry;
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typedef struct _AtomSTSC
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{
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AtomFull header;
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ATOM_ARRAY (STSCEntry) entries;
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} AtomSTSC;
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/*
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* used for both STCO and CO64
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* if used as STCO, entries should be truncated to use only 32bits
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*/
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typedef struct _AtomSTCO64
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{
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AtomFull header;
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ATOM_ARRAY (guint64) entries;
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} AtomSTCO64;
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typedef struct _CTTSEntry
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{
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guint32 samplecount;
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guint32 sampleoffset;
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} CTTSEntry;
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typedef struct _AtomCTTS
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{
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AtomFull header;
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/* also entry count here */
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ATOM_ARRAY (CTTSEntry) entries;
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} AtomCTTS;
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typedef struct _AtomSTBL
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{
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Atom header;
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AtomSTSD stsd;
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AtomSTTS stts;
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AtomSTSS stss;
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AtomSTSC stsc;
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AtomSTSZ stsz;
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/* NULL if not present */
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AtomCTTS *ctts;
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AtomSTCO64 stco64;
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} AtomSTBL;
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typedef struct _AtomMINF
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{
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Atom header;
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/* only (exactly) one of those must be present */
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AtomVMHD *vmhd;
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AtomSMHD *smhd;
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AtomHMHD *hmhd;
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AtomHDLR *hdlr;
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AtomDINF dinf;
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AtomSTBL stbl;
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} AtomMINF;
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typedef struct _EditListEntry
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{
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/* duration in movie's timescale */
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guint32 duration;
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/* start time in media's timescale, -1 for empty */
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guint32 media_time;
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guint32 media_rate; /* fixed point 32 bit */
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} EditListEntry;
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typedef struct _AtomELST
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{
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AtomFull header;
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/* number of entries is implicit */
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GSList *entries;
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} AtomELST;
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typedef struct _AtomEDTS
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{
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Atom header;
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AtomELST elst;
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} AtomEDTS;
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typedef struct _AtomMDIA
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{
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Atom header;
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AtomMDHD mdhd;
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AtomHDLR hdlr;
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AtomMINF minf;
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} AtomMDIA;
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|
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typedef struct _AtomILST
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{
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Atom header;
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/* list of AtomInfo */
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GList* entries;
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} AtomILST;
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|
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typedef struct _AtomTagData
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{
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AtomFull header;
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guint32 reserved;
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guint32 datalen;
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guint8* data;
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} AtomTagData;
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typedef struct _AtomTag
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{
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Atom header;
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AtomTagData data;
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} AtomTag;
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typedef struct _AtomMETA
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{
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AtomFull header;
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AtomHDLR hdlr;
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AtomILST *ilst;
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} AtomMETA;
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|
|
typedef struct _AtomUDTA
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|
{
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Atom header;
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/* list of AtomInfo */
|
|
GList* entries;
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|
/* or list is further down */
|
|
AtomMETA *meta;
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|
} AtomUDTA;
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|
|
typedef struct _AtomTRAK
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|
{
|
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Atom header;
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|
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AtomTKHD tkhd;
|
|
AtomEDTS *edts;
|
|
AtomMDIA mdia;
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|
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/* some helper info for structural conformity checks */
|
|
gboolean is_video;
|
|
gboolean is_h264;
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|
} AtomTRAK;
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|
|
typedef struct _AtomMOOV
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|
{
|
|
/* style */
|
|
AtomsContext context;
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|
|
Atom header;
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|
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AtomMVHD mvhd;
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|
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/* list of AtomTRAK */
|
|
GList *traks;
|
|
AtomUDTA *udta;
|
|
} AtomMOOV;
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|
|
typedef struct _AtomWAVE
|
|
{
|
|
Atom header;
|
|
|
|
/* list of AtomInfo */
|
|
GList *extension_atoms;
|
|
} AtomWAVE;
|
|
|
|
/*
|
|
* Function to serialize an atom
|
|
*/
|
|
typedef guint64 (*AtomCopyDataFunc) (Atom *atom, guint8 **buffer, guint64 *size, guint64 *offset);
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|
|
|
/*
|
|
* Releases memory allocated by an atom
|
|
*/
|
|
typedef guint64 (*AtomFreeFunc) (Atom *atom);
|
|
|
|
/*
|
|
* Some atoms might have many optional different kinds of child atoms, so this
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|
* is useful for enabling generic handling of any atom.
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* All we need are the two functions (copying it to an array
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* for serialization and the memory releasing function).
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*/
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typedef struct _AtomInfo
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{
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Atom *atom;
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AtomCopyDataFunc copy_data_func;
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AtomFreeFunc free_func;
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} AtomInfo;
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guint64 atom_copy_data (Atom *atom, guint8 **buffer,
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guint64 *size, guint64* offset);
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AtomFTYP* atom_ftyp_new (AtomsContext *context, guint32 major,
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guint32 version, GList *brands);
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guint64 atom_ftyp_copy_data (AtomFTYP *ftyp, guint8 **buffer,
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guint64 *size, guint64 *offset);
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void atom_ftyp_free (AtomFTYP *ftyp);
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AtomTRAK* atom_trak_new (AtomsContext *context);
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void atom_trak_add_samples (AtomTRAK * trak, guint32 nsamples, guint32 delta,
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guint32 size, guint64 chunk_offset, gboolean sync,
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gboolean do_pts, gint64 pts_offset);
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void atom_trak_add_elst_entry (AtomTRAK * trak, guint32 duration,
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guint32 media_time, guint32 rate);
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guint32 atom_trak_get_timescale (AtomTRAK *trak);
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void atom_stbl_add_samples (AtomSTBL * stbl, guint32 nsamples,
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guint32 delta, guint32 size,
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guint64 chunk_offset, gboolean sync,
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gboolean do_pts, gint64 pts_offset);
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AtomMOOV* atom_moov_new (AtomsContext *context);
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void atom_moov_free (AtomMOOV *moov);
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guint64 atom_moov_copy_data (AtomMOOV *atom, guint8 **buffer, guint64 *size, guint64* offset);
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void atom_moov_update_timescale (AtomMOOV *moov, guint32 timescale);
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void atom_moov_update_duration (AtomMOOV *moov);
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void atom_moov_set_64bits (AtomMOOV *moov, gboolean large_file);
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void atom_moov_chunks_add_offset (AtomMOOV *moov, guint32 offset);
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void atom_moov_add_trak (AtomMOOV *moov, AtomTRAK *trak);
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guint64 atom_mvhd_copy_data (AtomMVHD * atom, guint8 ** buffer,
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guint64 * size, guint64 * offset);
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void atom_stco64_chunks_add_offset (AtomSTCO64 * stco64, guint32 offset);
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guint64 atom_trak_copy_data (AtomTRAK * atom, guint8 ** buffer,
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guint64 * size, guint64 * offset);
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void atom_stbl_clear (AtomSTBL * stbl);
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void atom_stbl_init (AtomSTBL * stbl);
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guint64 atom_stss_copy_data (AtomSTSS *atom, guint8 **buffer,
|
|
guint64 *size, guint64* offset);
|
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guint64 atom_stts_copy_data (AtomSTTS *atom, guint8 **buffer,
|
|
guint64 *size, guint64* offset);
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guint64 atom_stsc_copy_data (AtomSTSC *atom, guint8 **buffer,
|
|
guint64 *size, guint64* offset);
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guint64 atom_stsz_copy_data (AtomSTSZ *atom, guint8 **buffer,
|
|
guint64 *size, guint64* offset);
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guint64 atom_ctts_copy_data (AtomCTTS *atom, guint8 **buffer,
|
|
guint64 *size, guint64* offset);
|
|
guint64 atom_stco64_copy_data (AtomSTCO64 *atom, guint8 **buffer,
|
|
guint64 *size, guint64* offset);
|
|
|
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/* media sample description related helpers */
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|
|
|
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;
|
|
|
|
void atom_trak_set_audio_type (AtomTRAK * trak, AtomsContext * context,
|
|
AudioSampleEntry * entry, guint32 scale,
|
|
AtomInfo * ext, gint sample_size);
|
|
|
|
void atom_trak_set_video_type (AtomTRAK * trak, AtomsContext * context,
|
|
VisualSampleEntry * entry, guint32 rate,
|
|
GList * ext_atoms_list);
|
|
|
|
AtomInfo * build_codec_data_extension (guint32 fourcc, const GstBuffer * codec_data);
|
|
AtomInfo * build_mov_aac_extension (AtomTRAK * trak, const GstBuffer * codec_data);
|
|
AtomInfo * build_mov_alac_extension (AtomTRAK * trak, const GstBuffer * codec_data);
|
|
AtomInfo * build_esds_extension (AtomTRAK * trak, guint8 object_type,
|
|
guint8 stream_type, const GstBuffer * codec_data);
|
|
AtomInfo * build_jp2h_extension (AtomTRAK * trak, gint width, gint height,
|
|
guint32 fourcc, gint ncomp,
|
|
const GValue * cmap_array,
|
|
const GValue * cdef_array);
|
|
|
|
AtomInfo * build_jp2x_extension (const GstBuffer * prefix);
|
|
AtomInfo * build_fiel_extension (gint fields);
|
|
AtomInfo * build_amr_extension (void);
|
|
AtomInfo * build_h263_extension (void);
|
|
AtomInfo * build_gama_atom (gdouble gamma);
|
|
AtomInfo * build_SMI_atom (const GstBuffer *seqh);
|
|
AtomInfo * build_ima_adpcm_extension (gint channels, gint rate,
|
|
gint blocksize);
|
|
|
|
|
|
/*
|
|
* Meta tags functions
|
|
*/
|
|
void atom_moov_add_str_tag (AtomMOOV *moov, guint32 fourcc, const gchar *value);
|
|
void atom_moov_add_uint_tag (AtomMOOV *moov, guint32 fourcc, guint32 flags,
|
|
guint32 value);
|
|
void atom_moov_add_tag (AtomMOOV *moov, guint32 fourcc, guint32 flags,
|
|
const guint8 * data, guint size);
|
|
void atom_moov_add_blob_tag (AtomMOOV *moov, guint8 *data, guint size);
|
|
|
|
void atom_moov_add_3gp_str_tag (AtomMOOV * moov, guint32 fourcc, const gchar * value);
|
|
void atom_moov_add_3gp_uint_tag (AtomMOOV * moov, guint32 fourcc, guint16 value);
|
|
void atom_moov_add_3gp_str_int_tag (AtomMOOV * moov, guint32 fourcc, const gchar * value,
|
|
gint16 ivalue);
|
|
void atom_moov_add_3gp_tag (AtomMOOV * moov, guint32 fourcc, guint8 * data,
|
|
guint size);
|
|
|
|
void atom_moov_add_xmp_tags (AtomMOOV * moov, const GstTagList * tags);
|
|
|
|
#define GST_QT_MUX_DEFAULT_TAG_LANGUAGE "eng"
|
|
guint16 language_code (const char * lang);
|
|
|
|
#endif /* __ATOMS_H__ */
|