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/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __BUFFER_H__
#define __BUFFER_H__
#include <gst/gst.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define MPEG1MUX_BUFFER_QUEUED(mb) (g_list_length((mb)->timecode_list))
#define MPEG1MUX_BUFFER_SPACE(mb) ((mb)->length)
#define MPEG1MUX_BUFFER_DATA(mb) ((mb)->buffer)
#define MPEG1MUX_BUFFER_TYPE(mb) ((mb)->buffer)
#define MPEG1MUX_BUFFER_FIRST_TIMECODE(mb) (g_list_first((mb)->timecode_list)->data)
#define BUFFER_TYPE_VIDEO 1
#define BUFFER_TYPE_AUDIO 2
#define FRAME_TYPE_IFRAME 1
#define FRAME_TYPE_BFRAME 2
#define FRAME_TYPE_PFRAME 3
#define FRAME_TYPE_AUDIO 4
typedef struct _Mpeg1MuxBuffer Mpeg1MuxBuffer;
typedef struct _Mpeg1MuxTimecode Mpeg1MuxTimecode;
typedef struct video_struc /* Informationen ueber Video Stream */
{
unsigned int stream_length ;
unsigned int num_sequence ;
unsigned int num_seq_end ;
unsigned int num_pictures ;
unsigned int num_groups ;
unsigned int num_frames[4] ;
unsigned int avg_frames[4] ;
unsigned int horizontal_size;
unsigned int vertical_size ;
unsigned int aspect_ratio ;
unsigned int picture_rate ;
unsigned int bit_rate ;
unsigned int comp_bit_rate ;
unsigned int vbv_buffer_size;
unsigned int CSPF ;
guint64 PTS;
guint64 DTS;
guint64 current_PTS;
guint64 current_DTS;
guchar current_type;
double secs_per_frame;
gulong group_order, decoding_order;
} Video_struc;
typedef struct audio_struc /* Informationen ueber Audio Stream */
{
unsigned int stream_length ;
unsigned int num_syncword ;
unsigned int num_frames [2] ;
unsigned int framesize ;
unsigned int layer ;
unsigned int protection ;
unsigned int bit_rate ;
unsigned int frequency ;
unsigned int mode ;
unsigned int mode_extension ;
unsigned int copyright ;
unsigned int original_copy ;
unsigned int emphasis ;
guint64 PTS;
guint64 current_PTS;
double samples_per_second;
gulong decoding_order;
} Audio_struc;
struct _Mpeg1MuxTimecode {
gulong length;
gulong original_length;
guchar frame_type;
guint64 PTS;
guint64 DTS;
};
struct _Mpeg1MuxBuffer {
unsigned char *buffer;
gulong length;
gulong base;
gulong scan_pos;
gulong last_pos;
gulong current_start;
guchar buffer_type;
guchar stream_id;
gboolean new_frame;
guint64 next_frame_time;
union {
Video_struc video;
Audio_struc audio;
} info;
GList *timecode_list;
GList *queued_list;
};
Mpeg1MuxBuffer *mpeg1mux_buffer_new(guchar type, guchar id);
void mpeg1mux_buffer_queue(Mpeg1MuxBuffer *mb, GstBuffer *buf);
void mpeg1mux_buffer_shrink(Mpeg1MuxBuffer *mb, gulong size);
gulong mpeg1mux_buffer_update_queued(Mpeg1MuxBuffer *mb, guint64 scr);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __BUFFER_H__ */
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