mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-25 17:50:36 +00:00
63294c0655
Original commit message from CVS: Moved from gst-plugins/ext/mplex/. See that directory for older changelogs.
131 lines
3.2 KiB
C++
131 lines
3.2 KiB
C++
#ifndef __SYSTEMS_HH__
|
||
#define __SYSTEMS_HH__
|
||
|
||
#include "inputstrm.hh"
|
||
|
||
#include <vector>
|
||
|
||
using std::vector;
|
||
|
||
/* Buffer size parameters */
|
||
|
||
#define MAX_SECTOR_SIZE 16384
|
||
#define MAX_PACK_HEADER_SIZE 255
|
||
#define MAX_SYS_HEADER_SIZE 255
|
||
|
||
|
||
typedef class PS_Stream _PS_Stream;
|
||
|
||
typedef size_t (*WriteCallback) (_PS_Stream *str, uint8_t *data, size_t size, void *user_data);
|
||
|
||
|
||
typedef struct sector_struc /* Ein Sektor, kann Pack, Sys Header */
|
||
/* und Packet enthalten. */
|
||
{
|
||
unsigned char buf[MAX_SECTOR_SIZE];
|
||
unsigned int length_of_packet_data;
|
||
//clockticks TS ;
|
||
}
|
||
Sector_struc;
|
||
|
||
typedef struct pack_struc /* Pack Info */
|
||
{
|
||
unsigned char buf[MAX_PACK_HEADER_SIZE];
|
||
int length;
|
||
clockticks SCR;
|
||
}
|
||
Pack_struc;
|
||
|
||
typedef struct sys_header_struc /* System Header Info */
|
||
{
|
||
unsigned char buf[MAX_SYS_HEADER_SIZE];
|
||
int length;
|
||
}
|
||
Sys_header_struc;
|
||
|
||
|
||
class PS_Stream {
|
||
public:
|
||
PS_Stream (WriteCallback _callback, void *_user_data):
|
||
callback (_callback),
|
||
user_data (_user_data)
|
||
{
|
||
}
|
||
|
||
void Init (unsigned _mpeg, unsigned int _sector_sizen, off_t max_segment_size); // 0 = No Limit
|
||
|
||
bool FileLimReached ();
|
||
void NextFile ();
|
||
unsigned int PacketPayload (MuxStream & strm,
|
||
Sys_header_struc * sys_header,
|
||
Pack_struc * pack_header, int buffers, int PTSstamp, int DTSstamp);
|
||
|
||
unsigned int CreateSector (Pack_struc * pack,
|
||
Sys_header_struc * sys_header,
|
||
unsigned int max_packet_data_size,
|
||
MuxStream & strm,
|
||
bool buffers, bool end_marker, clockticks PTS, clockticks DTS, uint8_t timestamps);
|
||
void RawWrite (uint8_t * data, unsigned int len);
|
||
static void BufferSectorHeader (uint8_t * buf,
|
||
Pack_struc * pack, Sys_header_struc * sys_header, uint8_t * &header_end);
|
||
static void BufferPacketHeader (uint8_t * buf,
|
||
uint8_t type,
|
||
unsigned int mpeg_version,
|
||
bool buffers,
|
||
unsigned int buffer_size,
|
||
uint8_t buffer_scale,
|
||
clockticks PTS,
|
||
clockticks DTS,
|
||
uint8_t timestamps, uint8_t * &size_field, uint8_t * &header_end);
|
||
|
||
static inline void BufferPacketSize (uint8_t * size_field, uint8_t * packet_end)
|
||
{
|
||
unsigned int
|
||
packet_size =
|
||
packet_end -
|
||
size_field -
|
||
2;
|
||
|
||
size_field[0] = static_cast < uint8_t > (packet_size >> 8);
|
||
size_field[1] = static_cast < uint8_t > (packet_size & 0xff);
|
||
|
||
}
|
||
|
||
void CreatePack (Pack_struc * pack, clockticks SCR, unsigned int mux_rate);
|
||
void CreateSysHeader (Sys_header_struc * sys_header,
|
||
unsigned int rate_bound,
|
||
bool fixed,
|
||
int CSPS, bool audio_lock, bool video_lock, vector < MuxStream * >&streams);
|
||
|
||
void Close ()
|
||
{
|
||
}
|
||
|
||
private:
|
||
|
||
/* TODO: Replace **'s with *&'s */
|
||
static void BufferDtsPtsMpeg1ScrTimecode (clockticks timecode, uint8_t marker, uint8_t ** buffer);
|
||
static void BufferMpeg2ScrTimecode (clockticks timecode, uint8_t ** buffer);
|
||
void BufferPaddingPacket (int padding, uint8_t * &buffer);
|
||
|
||
private:
|
||
unsigned int mpeg_version;
|
||
unsigned int sector_size;
|
||
int segment_num;
|
||
|
||
off_t max_segment_size;
|
||
uint8_t * sector_buf;
|
||
WriteCallback callback;
|
||
void *user_data;
|
||
off_t written;
|
||
};
|
||
#endif // __SYSTEMS_HH__
|
||
|
||
|
||
/*
|
||
* Local variables:
|
||
* c-file-style: "stroustrup"
|
||
* tab-width: 4
|
||
* indent-tabs-mode: nil
|
||
* End:
|
||
*/
|