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/*****************************************************************************
* Copyright 2008. Pittsburgh Pattern Recognition, Inc.
*
* This file is part of the Frame Accurate Seeking extension library to
* ffmpeg (ffmpeg-fas).
*
* ffmpeg-fas is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at your
* option) any later version.
*
* The ffmpeg-fas 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the ffmpeg-fas library. If not, see <http://www.gnu.org/licenses/>.
*
******************************************************************************/
#ifndef FAS_SEEK_INDICES_H
#define FAS_SEEK_INDICES_H
#include <stdint.h>
#include <stdio.h>
/* If C++ then we need to __extern "C". Compiler defines __cplusplus */
#ifdef __cplusplus
#define __extern extern "C"
#else
#define __extern extern
#endif
/**********************************************************************
* Seek Table Types
**********************************************************************/
typedef enum
{
seek_no_error,
seek_unknown_error,
seek_bad_argument,
seek_malloc_failed,
} seek_error_type;
typedef enum
{
seek_false = 0,
seek_true = 1
} seek_boolean_type;
typedef struct
{
int display_index;
int64_t first_packet_dts;
int64_t last_packet_dts;
} seek_entry_type;
typedef struct
{
seek_entry_type *array;
seek_boolean_type completed;
int num_frames; // total number of frames
int num_entries; // ie, number of seek-points (keyframes)
int allocated_size;
} seek_table_type;
/**********************************************************************
* Seek Table Functions
**********************************************************************/
__extern seek_table_type seek_init_table (int initial_size);
__extern void seek_release_table (seek_table_type *table);
__extern seek_table_type seek_copy_table (seek_table_type source);
__extern int compare_seek_tables(seek_table_type t1, seek_table_type t2);
__extern seek_error_type seek_append_table_entry (seek_table_type *table, seek_entry_type entry);
__extern seek_error_type seek_get_nearest_entry (seek_table_type *table, seek_entry_type *entry, int display_index, int offset);
__extern seek_error_type seek_show_table (seek_table_type table); /* human readable */
__extern seek_error_type seek_show_raw_table (FILE *file, seek_table_type table);
__extern seek_table_type read_table_file(char *name); /* read raw file */
#endif
/**** End of File *****************************************************/
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