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gstreamer/subprojects/gst-plugins-good/gst/isomp4/atoms.h
Matthew Waters 5bed545113 qtmux: add support for writing vpcC box for VP9 
Increases compatibility for VP9 in .mov in at least VLC.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3260>
2022-10-28 00:06:07 +00:00

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/* 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
* so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef __ATOMS_H__
#define __ATOMS_H__
#include <glib.h>
#include <string.h>
#include <gst/video/video.h>
#include "descriptors.h"
#include "properties.h"
#include "fourcc.h"
/* 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 { \
(array)->len = 0; \
(array)->size = reserve; \
(array)->data = g_malloc (sizeof (*(array)->data) * reserve); \
} G_STMT_END
#define atom_array_append(array, elmt, inc) \
G_STMT_START { \
g_assert ((array)->data); \
g_assert (inc > 0); \
if (G_UNLIKELY ((array)->len == (array)->size)) { \
(array)->size += inc; \
(array)->data = \
g_realloc ((array)->data, sizeof (*((array)->data)) * (array)->size); \
} \
(array)->data[(array)->len] = elmt; \
(array)->len++; \
} G_STMT_END
#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,
ATOMS_TREE_FLAVOR_ISOM,
ATOMS_TREE_FLAVOR_3GP,
ATOMS_TREE_FLAVOR_ISML
} AtomsTreeFlavor;
typedef struct _AtomsContext
{
AtomsTreeFlavor flavor;
gboolean force_create_timecode_trak;
} AtomsContext;
AtomsContext* atoms_context_new (AtomsTreeFlavor flavor, gboolean force_create_timecode_trak);
void atoms_context_free (AtomsContext *context);
#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.
*/
typedef struct _TimeInfo
{
guint64 creation_time;
guint64 modification_time;
guint32 timescale;
guint64 duration;
} TimeInfo;
typedef struct _Atom
{
guint32 size;
guint32 type;
guint64 extended_size;
} Atom;
typedef struct _AtomFull
{
Atom header;
guint8 version;
guint8 flags[3];
} AtomFull;
/*
* Generic extension atom
*/
typedef struct _AtomData
{
Atom header;
/* not written */
guint32 datalen;
guint8 *data;
} AtomData;
typedef struct _AtomUUID
{
Atom header;
guint8 uuid[16];
/* not written */
guint32 datalen;
guint8 *data;
} AtomUUID;
typedef struct _AtomFTYP
{
Atom header;
guint32 major_brand;
guint32 version;
guint32 *compatible_brands;
/* not written */
guint32 compatible_brands_size;
} AtomFTYP;
typedef struct _AtomMVHD
{
AtomFull header;
/* version 0: 32 bits */
TimeInfo time_info;
guint32 prefered_rate; /* ISO: 0x00010000 */
guint16 volume; /* ISO: 0x0100 */
guint16 reserved3; /* ISO: 0x0 */
guint32 reserved4[2]; /* ISO: 0, 0 */
/* ISO: identity matrix =
* { 0x00010000, 0, 0, 0, 0x00010000, 0, 0, 0, 0x40000000 } */
guint32 matrix[9];
/* ISO: all 0 */
guint32 preview_time;
guint32 preview_duration;
guint32 poster_time;
guint32 selection_time;
guint32 selection_duration;
guint32 current_time;
guint32 next_track_id;
} AtomMVHD;
typedef struct _AtomTKHD
{
AtomFull header;
/* version 0: 32 bits */
/* like the TimeInfo struct, but it has this track_ID inside */
guint64 creation_time;
guint64 modification_time;
guint32 track_ID;
guint32 reserved;
guint64 duration;
guint32 reserved2[2];
guint16 layer;
guint16 alternate_group;
guint16 volume;
guint16 reserved3;
/* ISO: identity matrix =
* { 0x00010000, 0, 0, 0, 0x00010000, 0, 0, 0, 0x40000000 } */
guint32 matrix[9];
guint32 width;
guint32 height;
} AtomTKHD;
typedef struct _AtomMDHD
{
AtomFull header;
/* version 0: 32 bits */
TimeInfo time_info;
/* ISO: packed ISO-639-2/T language code (first bit must be 0) */
guint16 language_code;
/* ISO: 0 */
guint16 quality;
} AtomMDHD;
typedef struct _AtomHDLR
{
AtomFull header;
/* ISO: 0 */
guint32 component_type;
guint32 handler_type;
guint32 manufacturer;
guint32 flags;
guint32 flags_mask;
gchar *name;
AtomsTreeFlavor flavor;
} AtomHDLR;
typedef struct _AtomVMHD
{
AtomFull header; /* ISO: flags = 1 */
guint16 graphics_mode;
/* RGB */
guint16 opcolor[3];
} AtomVMHD;
typedef struct _AtomSMHD
{
AtomFull header;
guint16 balance;
guint16 reserved;
} AtomSMHD;
typedef struct _AtomHMHD
{
AtomFull header;
guint16 max_pdu_size;
guint16 avg_pdu_size;
guint32 max_bitrate;
guint32 avg_bitrate;
guint32 sliding_avg_bitrate;
} AtomHMHD;
typedef struct _AtomTCMI
{
AtomFull header;
guint16 text_font;
guint16 text_face;
guint16 text_size;
guint16 text_color[3];
guint16 bg_color[3];
gchar *font_name;
} AtomTCMI;
typedef struct _AtomTMCD
{
Atom header;
AtomTCMI tcmi;
} AtomTMCD;
typedef struct _AtomGMIN
{
AtomFull header;
guint16 graphics_mode;
guint16 opcolor[3];
guint8 balance;
guint8 reserved;
} AtomGMIN;
typedef struct _AtomGMHD
{
Atom header;
/* Only gmin is required in a gmhd atom
* The other fields are optional */
AtomGMIN gmin;
AtomTMCD *tmcd;
} AtomGMHD;
typedef struct _AtomNMHD
{
Atom header;
guint32 flags;
} AtomNMHD;
typedef struct _AtomURL
{
AtomFull header;
gchar *location;
} AtomURL;
typedef struct _AtomDREF
{
AtomFull header;
GList *entries;
} AtomDREF;
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,
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);
AtomInfo * build_tapt_extension (gint clef_width, gint clef_height, gint prof_width, gint prof_height, gint enof_width, gint enof_height);
AtomInfo * build_ac3_extension (guint8 fscod, guint8 bsid,
guint8 bsmod, guint8 acmod,
guint8 lfe_on, guint8 bitrate_code);
AtomInfo * build_opus_extension (guint32 rate, guint8 channels, guint8 mapping_family,
guint8 stream_count, guint8 coupled_count,
guint8 channel_mapping[256], guint16 pre_skip,
guint16 output_gain);
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);
AtomInfo * build_uuid_xmp_atom (GstBuffer * xmp);
AtomInfo * build_vpcC_extension (guint8 profile, guint8 level, guint8 bit_depth,
guint8 chroma_subsampling, gboolean video_full_range,
guint8 colour_primaries, guint8 transfer_characteristics,
guint8 matrix_coefficients);
/*
* Meta tags functions
*/
void atom_udta_clear_tags (AtomUDTA *udta);
void atom_udta_add_str_tag (AtomUDTA *udta, guint32 fourcc, const gchar *value);
void atom_udta_add_uint_tag (AtomUDTA *udta, guint32 fourcc, guint32 flags,
guint32 value);
void atom_udta_add_tag (AtomUDTA *udta, guint32 fourcc, guint32 flags,
const guint8 * data, guint size);
void atom_udta_add_blob_tag (AtomUDTA *udta, guint8 *data, guint size);
void atom_udta_add_3gp_str_tag (AtomUDTA *udta, guint32 fourcc, const gchar * value);
void atom_udta_add_3gp_uint_tag (AtomUDTA *udta, guint32 fourcc, guint16 value);
void atom_udta_add_3gp_str_int_tag (AtomUDTA *udta, guint32 fourcc, const gchar * value,
gint16 ivalue);
void atom_udta_add_3gp_tag (AtomUDTA *udta, guint32 fourcc, guint8 * data,
guint size);
void atom_udta_add_xmp_tags (AtomUDTA *udta, GstBuffer * xmp);
AtomTREF * atom_tref_new (guint32 reftype);
void atom_tref_add_entry (AtomTREF * tref, guint32 sample);
#define GST_QT_MUX_DEFAULT_TAG_LANGUAGE "und" /* undefined/unknown */
guint16 language_code (const char * lang);
#endif /* __ATOMS_H__ */
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