vcd.h

linux下的MPEG1

/*
    $Id: vcd.h,v 1.2 2004/04/11 12:20:32 miguelfreitas Exp $

    Copyright (C) 2000 Herbert Valerio Riedel <[e-mail]>

    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
*/

/* libvcd main header */

#ifndef __VCD_H__
#define __VCD_H__

/* Private headers */
#include "image_sink.h"
#include "mpeg_stream.h"
#include "stream.h"

#include <libvcd/types.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

/* allocates and initializes a new VideoCD object */
VcdObj *
vcd_obj_new (vcd_type_t vcd_type);

/* VideoCD parameters */
typedef enum {
  VCD_PARM_INVALID = 0,
  VCD_PARM_VOLUME_ID,           /* char *          max length 32  */
  VCD_PARM_PUBLISHER_ID,        /* char *          max length 128 */
  VCD_PARM_PREPARER_ID,         /* char *          max length 128 */
  VCD_PARM_ALBUM_ID,            /* char *          max length 16  */
  VCD_PARM_VOLUME_COUNT,        /* unsigned        [1..65535]     */
  VCD_PARM_VOLUME_NUMBER,       /* unsigned        [0..65535]     */
  VCD_PARM_RESTRICTION,         /* unsigned        [0..3]         */
  VCD_PARM_NEXT_VOL_LID2,       /* bool */
  VCD_PARM_NEXT_VOL_SEQ2,       /* bool */
  VCD_PARM_APPLICATION_ID,      /* char *          max length 128 */
  VCD_PARM_SEC_TYPE,            /* unsigned        [2336, 2352]   */
  VCD_PARM_SVCD_VCD3_MPEGAV,    /* bool */
  VCD_PARM_SVCD_VCD3_ENTRYSVD,  /* bool */
  VCD_PARM_SVCD_VCD3_TRACKSVD,  /* bool */
  VCD_PARM_UPDATE_SCAN_OFFSETS, /* bool */
  VCD_PARM_RELAXED_APS,         /* bool */
  VCD_PARM_LEADOUT_PAUSE,       /* bool */
  VCD_PARM_LEADOUT_PREGAP,      /* unsigned        [0..300] */
  VCD_PARM_TRACK_PREGAP,        /* unsigned        [1..300] */
  VCD_PARM_TRACK_FRONT_MARGIN,  /* unsigned        [0..150] */
  VCD_PARM_TRACK_REAR_MARGIN    /* unsigned        [0..150] */
} vcd_parm_t;

/* sets VideoCD parameter */
int 
vcd_obj_set_param_uint (VcdObj *obj, vcd_parm_t param, unsigned arg);

int 
vcd_obj_set_param_str (VcdObj *obj, vcd_parm_t param, const char *arg);

int 
vcd_obj_set_param_bool (VcdObj *obj, vcd_parm_t param, bool arg);

/* add custom files; if raw_flag set, the data source has to include a
   mode2 subheader, and thus needs to be a multiple of 2336 byte blocksize */
int
vcd_obj_add_file (VcdObj *obj, const char iso_pathname[],
                  VcdDataSource *file, bool raw_flag);

int
vcd_obj_add_dir (VcdObj *obj, const char iso_pathname[]);

/* this is for actually adding mpeg items to VCD, returns 
   a negative value for error..  */

int 
vcd_obj_append_sequence_play_item (VcdObj *obj, VcdMpegSource *mpeg_source, 
                                   const char item_id[], 
                                   const char default_entry_id[]);

int 
vcd_obj_add_sequence_entry (VcdObj *obj, const char sequence_id[], 
                            double entry_time, const char entry_id[]);

int 
vcd_obj_add_sequence_pause (VcdObj *obj, const char sequence_id[], 
                            double pause_timestamp, const char pause_id[]);

int 
vcd_obj_add_segment_pause (VcdObj *obj, const char segment_id[], 
                           double pause_timestamp, const char pause_id[]);

int 
vcd_obj_append_segment_play_item (VcdObj *obj, VcdMpegSource *mpeg_source, 
                                  const char item_id[]);

/* warning -- api will change for pbc */
typedef struct _pbc_t pbc_t;

int
vcd_obj_append_pbc_node (VcdObj *obj, struct _pbc_t *_pbc);

/* removes item (sequence, entry, segment, ...) by id, returns
   negative value on error */
int 
vcd_obj_remove_item (VcdObj *obj, const char id[]);

/* returns image size in sectors */
long 
vcd_obj_get_image_size (VcdObj *obj);

/* this one is to be called when every parameter has been set and the
   image is about to be written. returns sectors to be written... */
long 
vcd_obj_begin_output (VcdObj *obj);

/* callback hook called every few (>|<) iterations, if it returns a value != 0
   the writing process gets aborted */
typedef struct
{
  long sectors_written;
  long total_sectors;
  int in_track;
  int total_tracks;
}
progress_info_t;

typedef int (*progress_callback_t) (const progress_info_t *progress_info,
                                    void *user_data);

/* writes the actual bin image file; a return value != 0 means the
   action was aborted by user or some other error has occured... */
int
vcd_obj_write_image (VcdObj *obj, VcdImageSink *image_sink,
                     progress_callback_t callback, void *user_data,
                     const time_t *create_time);

/* this should be called writing the bin and/or cue file is done---even if 
   an error occurred */
void 
vcd_obj_end_output (VcdObj *obj);

/* destructor for VideoCD objects; call this to destory a VideoCD
   object created by vcd_obj_new () */
void 
vcd_obj_destroy (VcdObj *obj);

const char *
vcd_version_string (bool full_text);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* __VCD_H__ */

/* 
 * Local variables:
 *  c-file-style: "gnu"
 *  tab-width: 8
 *  indent-tabs-mode: nil
 * End:
 */