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/* Quicktime muxer plugin for GStreamer
* Copyright (C) 2010 Thiago Santos <thiago.sousa.santos@collabora.co.uk>
*
* 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_RECOVERY_H__
#define __ATOMS_RECOVERY_H__
#include <glib.h>
#include <string.h>
#include <stdio.h>
#include <gst/gst.h>
#include "atoms.h"
/* Version to be incremented each time we decide
* to change the file layout */
#define ATOMS_RECOV_FILE_VERSION 1
#define ATOMS_RECOV_QUARK (g_quark_from_string ("qtmux-atoms-recovery"))
/* gerror error codes */
#define ATOMS_RECOV_ERR_GENERIC 1
#define ATOMS_RECOV_ERR_FILE 2
#define ATOMS_RECOV_ERR_PARSING 3
#define ATOMS_RECOV_ERR_VERSION 4
/* this struct represents each buffer in a moov file, containing the info
* that is placed in the stsd children atoms
* Fields should be writen in BE order, and booleans should be writen as
* 1byte with 0 for false, anything otherwise */
#define TRAK_BUFFER_ENTRY_INFO_SIZE 34
typedef struct
{
guint32 track_id;
guint32 nsamples;
guint32 delta;
guint32 size;
guint64 chunk_offset;
guint64 pts_offset;
gboolean sync;
gboolean do_pts;
} TrakBufferEntryInfo;
typedef struct
{
guint32 trak_id;
guint32 duration; /* duration in trak timescale */
guint32 timescale; /* trak's timescale */
guint64 file_offset;
/* need for later updating duration */
guint64 tkhd_file_offset;
guint64 mdhd_file_offset;
/* need these offsets to update size */
guint32 trak_size;
guint64 mdia_file_offset;
guint32 mdia_size;
guint64 minf_file_offset;
guint32 minf_size;
guint64 stbl_file_offset;
guint32 stbl_size;
guint64 post_stsd_offset;
guint32 stsd_size;
guint32 extra_atoms_size;
guint32 extra_atoms_offset;
/* for storing the samples info */
AtomSTBL stbl;
} TrakRecovData;
typedef struct
{
FILE * file;
gboolean rawfile;
/* results from parsing the input file */
guint64 data_size;
guint32 mdat_header_size;
guint mdat_start;
guint64 mdat_size;
} MdatRecovFile;
typedef struct
{
FILE * file;
guint32 timescale;
guint32 mvhd_pos;
guint32 mvhd_size;
guint32 prefix_size; /* prefix + ftyp total size */
gint num_traks;
TrakRecovData *traks_rd;
} MoovRecovFile;
gboolean atoms_recov_write_trak_info (FILE * f, AtomTRAK * trak);
gboolean atoms_recov_write_headers (FILE * f, AtomFTYP * ftyp,
GstBuffer * prefix, AtomMOOV * moov,
guint32 timescale,
guint32 traks_number);
gboolean atoms_recov_write_trak_samples (FILE * f, AtomTRAK * trak,
guint32 nsamples, guint32 delta,
guint32 size, guint64 chunk_offset,
gboolean sync, gboolean do_pts,
gint64 pts_offset);
MdatRecovFile * mdat_recov_file_create (FILE * file, gboolean datafile,
GError ** err);
void mdat_recov_file_free (MdatRecovFile * mrf);
MoovRecovFile * moov_recov_file_create (FILE * file, GError ** err);
void moov_recov_file_free (MoovRecovFile * moovrf);
gboolean moov_recov_parse_buffers (MoovRecovFile * moovrf,
MdatRecovFile * mdatrf,
GError ** err);
gboolean moov_recov_write_file (MoovRecovFile * moovrf,
MdatRecovFile * mdatrf, FILE * outf,
GError ** err);
#endif /* __ATOMS_RECOVERY_H__ */
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