packet-pes.h

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#ifndef PACKET_PES_H_
#define PACKET_PES_H_
 
#include "caption-common.h"
 
#define PACKET_PES_PREFIX         0x000001 
#define PACKET_PES_PRIVATE_STREAM 0xbd     
#define PTS_is_NONE               0x00 
#define PTS_is_FORBIDEN           0x01 
#define PTS_is_ONLY_PTS           0x02 
#define PTS_is_BOTH               0x03 
typedef struct {
  uint8_t h;   
  uint8_t m;   
  uint8_t s;   
  uint16_t u;  
  uint32_t ts; 
} PES_pts_t;
 
typedef struct PacketPES_s PacketPES_t;
 
struct PacketPES_s {
  uint8_t stream_id;  
  uint16_t pack_len;  
  struct header {
    uint8_t len; 
    union flags {
      uint16_t raw; 
      struct {
        // byte[7]
        uint8_t PES_extension_flag : 1;  
        uint8_t PES_CRC_flag : 1;        
        uint8_t copy_info_flag : 1;      
        uint8_t DSM_trick_mode_flag : 1; 
        uint8_t ES_rate_flag : 1;        
        uint8_t ESCR_flag : 1;           
        uint8_t PTS_DTS_flag : 2;        
        // byte [6]
        uint8_t rights : 1;     
        uint8_t copyright : 1;  
        uint8_t alignment : 1;  
        uint8_t priority : 1;   
        uint8_t scrambling : 2; 
        uint8_t emulation : 2;  
      } bit; 
    } flags; 
  } header; 
  PES_pts_t pts; 
  struct payload {
    uint32_t header;     
    const uint8_t *data; 
    uint16_t len;        
  } payload; 
  PacketPES_t *next; 
};
 
bool
packet_pes_load (const uint8_t *pack_raw,
                 const size_t raw_len,
                 PacketPES_t *out);
 
void
packet_pes_set_pts (uint32_t *ts,
                    PES_pts_t *pts);
 
#endif /* PACKET_PES_H_ */