mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-21 07:46:38 +00:00
141 lines
3.6 KiB
C
141 lines
3.6 KiB
C
/* 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., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, 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__ */
|