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/*
$Id: mpeg_stream.h,v 1.2 2004/04/11 12:20:32 miguelfreitas Exp $
Copyright (C) 2000 Herbert Valerio Riedel <hvr@gnu.org>
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 __VCD_MPEG_STREAM__
#define __VCD_MPEG_STREAM__
#include <libvcd/types.h>
/* Private includes */
#include "stream.h"
#include "data_structures.h"
#include "mpeg.h"
#define MPEG_PACKET_SIZE 2324
typedef struct _VcdMpegSource VcdMpegSource;
/* used in APS list */
struct aps_data
{
uint32_t packet_no;
double timestamp;
};
/* enums */
typedef enum {
MPEG_AUDIO_NOSTREAM = 0,
MPEG_AUDIO_1STREAM = 1,
MPEG_AUDIO_2STREAM = 2,
MPEG_AUDIO_EXT_STREAM = 3
} mpeg_audio_t;
typedef enum {
MPEG_VIDEO_NOSTREAM = 0,
MPEG_VIDEO_NTSC_STILL = 1,
MPEG_VIDEO_NTSC_STILL2 = 2,
MPEG_VIDEO_NTSC_MOTION = 3,
MPEG_VIDEO_PAL_STILL = 5,
MPEG_VIDEO_PAL_STILL2 = 6,
MPEG_VIDEO_PAL_MOTION = 7
} mpeg_video_t;
/* mpeg stream info */
struct vcd_mpeg_stream_info;
/* mpeg packet info */
struct vcd_mpeg_packet_info;
/* access functions */
VcdMpegSource *
vcd_mpeg_source_new (VcdDataSource *mpeg_file);
/* scan the mpeg file... needed to be called only once */
typedef struct {
long current_pack;
long current_pos;
long length;
} vcd_mpeg_prog_info_t;
typedef int (*vcd_mpeg_prog_cb_t) (const vcd_mpeg_prog_info_t *progress_info,
void *user_data);
void
vcd_mpeg_source_scan (VcdMpegSource *obj, bool strict_aps, bool fix_scan_info,
vcd_mpeg_prog_cb_t callback, void *user_data);
/* gets the packet at given position */
int
vcd_mpeg_source_get_packet (VcdMpegSource *obj, unsigned long packet_no,
void *packet_buf, struct vcd_mpeg_packet_info *flags,
bool fix_scan_info);
void
vcd_mpeg_source_close (VcdMpegSource *obj);
const struct vcd_mpeg_stream_info *
vcd_mpeg_source_get_info (VcdMpegSource *obj);
long
vcd_mpeg_source_stat (VcdMpegSource *obj);
void
vcd_mpeg_source_destroy (VcdMpegSource *obj, bool destroy_file_obj);
#endif /* __VCD_MPEG_STREAM__ */
/*
* Local variables:
* c-file-style: "gnu"
* tab-width: 8
* indent-tabs-mode: nil
* End:
*/
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