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/*******************************************************************************#
# guvcview http://guvcview.sourceforge.net #
# #
# Paulo Assis <pj.assis@gmail.com> #
# #
# This is a heavily modified version of the matroska interface from x264 #
# Copyright (C) 2005 Mike Matsnev #
# #
# This program is free software; you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation; either version 2 of the License, or #
# (at your option) any later version. #
# #
# This program 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 General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program; if not, write to the Free Software #
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA #
# #
********************************************************************************/
#ifndef AVI_H
#define AVI_H
#include <inttypes.h>
#include <sys/types.h>
#include "stream_io.h"
#include "file_io.h"
#define AVI_MAX_TRACKS 8
#define FRAME_RATE_SCALE 1000 //1000000
typedef struct _video_index_entry_t
{
off_t key;
off_t pos;
off_t len;
} video_index_entry_t;
typedef struct _audio_index_entry_t
{
off_t pos;
off_t len;
off_t tot;
} audio_index_entry_t;
typedef struct avi_I_entry_t
{
unsigned int flags, pos, len;
} avi_I_entry_t;
typedef struct avi_index_t
{
int64_t indx_start;
int entry;
int ents_allocated;
avi_I_entry_t **cluster;
} avi_index_t;
typedef struct _avi_riff_t
{
int64_t riff_start, movi_list;
//int64_t frames_hdr_all;
int64_t time_delay_off;
int id;
struct _avi_riff_t *previous, *next;
} avi_riff_t;
typedef struct avi_RIFF avi_RIFF;
typedef struct avi_context_t
{
io_writer_t *writer;
int flags; /* 0 - AVI is recordind; 1 - AVI is not recording*/
uint32_t avi_flags;
int32_t time_base_num; /* video time base numerator */
int32_t time_base_den; /* video time base denominator */
avi_riff_t *riff_list; // avi_riff list (NULL terminated)
int riff_list_size;
stream_io_t *stream_list;
int stream_list_size;
double fps;
int64_t odml_list; /*,time_delay_off*/ ; //some file offsets
} avi_context_t;
avi_context_t *avi_create_context(const char *filename);
stream_io_t *avi_add_video_stream(
avi_context_t *avi_ctx,
int32_t width,
int32_t height,
int32_t fps,
int32_t fps_num,
int32_t codec_id);
stream_io_t *avi_add_audio_stream(
avi_context_t *avi_ctx,
int32_t channels,
int32_t rate,
int32_t bits,
int32_t mpgrate,
int32_t codec_id,
int32_t format);
int avi_write_packet(
avi_context_t *avi_ctx,
int stream_index,
uint8_t *data,
uint32_t size,
int64_t dts,
int block_align,
int32_t flags);
avi_riff_t *avi_add_new_riff(avi_context_t *avi_ctx);
int avi_close(avi_context_t *avi_ctx);
void avi_destroy_context(avi_context_t *avi_ctx);
#endif
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