JPEGVideoRTPSource.cpp File Reference

Go to the source code of this file.

Classes

class  JPEGBufferedPacket
class  JPEGBufferedPacketFactory

Enumerations

enum  {
  MARKER_SOF0 = 0xc0, MARKER_SOI = 0xd8, MARKER_EOI = 0xd9, MARKER_SOS = 0xda,
  MARKER_DRI = 0xdd, MARKER_DQT = 0xdb, MARKER_DHT = 0xc4, MARKER_APP_FIRST = 0xe0,
  MARKER_APP_LAST = 0xef, MARKER_COMMENT = 0xfe
}

Functions

static void createHuffmanHeader (unsigned char *&p, unsigned char const *codelens, int ncodes, unsigned char const *symbols, int nsymbols, int tableNo, int tableClass)
static unsigned computeJPEGHeaderSize (unsigned qtlen, unsigned dri)
static void createJPEGHeader (unsigned char *buf, unsigned type, unsigned w, unsigned h, unsigned char const *qtables, unsigned qtlen, unsigned dri)
static void makeDefaultQtables (unsigned char *resultTables, unsigned Q)

Variables

static unsigned char const lum_dc_codelens []
static unsigned char const lum_dc_symbols []
static unsigned char const lum_ac_codelens []
static unsigned char const lum_ac_symbols []
static unsigned char const chm_dc_codelens []
static unsigned char const chm_dc_symbols []
static unsigned char const chm_ac_codelens []
static unsigned char const chm_ac_symbols []
static unsigned char const defaultQuantizers [128]


Enumeration Type Documentation

anonymous enum

Enumerator:
MARKER_SOF0 
MARKER_SOI 
MARKER_EOI 
MARKER_SOS 
MARKER_DRI 
MARKER_DQT 
MARKER_DHT 
MARKER_APP_FIRST 
MARKER_APP_LAST 
MARKER_COMMENT 

Definition at line 75 of file JPEGVideoRTPSource.cpp.


Function Documentation

static void createHuffmanHeader ( unsigned char *&  p,
unsigned char const *  codelens,
int  ncodes,
unsigned char const *  symbols,
int  nsymbols,
int  tableNo,
int  tableClass 
) [static]

Definition at line 160 of file JPEGVideoRTPSource.cpp.

Referenced by createJPEGHeader().

static unsigned computeJPEGHeaderSize ( unsigned  qtlen,
unsigned  dri 
) [static]

Definition at line 176 of file JPEGVideoRTPSource.cpp.

static void createJPEGHeader ( unsigned char *  buf,
unsigned  type,
unsigned  w,
unsigned  h,
unsigned char const *  qtables,
unsigned  qtlen,
unsigned  dri 
) [static]

Definition at line 181 of file JPEGVideoRTPSource.cpp.

static void makeDefaultQtables ( unsigned char *  resultTables,
unsigned  Q 
) [static]

Definition at line 293 of file JPEGVideoRTPSource.cpp.


Variable Documentation

unsigned char const lum_dc_codelens[] [static]

Initial value:

 {
  0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0,
}

Definition at line 88 of file JPEGVideoRTPSource.cpp.

Referenced by createJPEGHeader().

unsigned char const lum_dc_symbols[] [static]

Initial value:

 {
  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
}

Definition at line 92 of file JPEGVideoRTPSource.cpp.

Referenced by createJPEGHeader().

unsigned char const lum_ac_codelens[] [static]

Initial value:

 {
  0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0x7d,
}

Definition at line 96 of file JPEGVideoRTPSource.cpp.

Referenced by createJPEGHeader().

unsigned char const lum_ac_symbols[] [static]

Initial value:

 {
  0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12,
  0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07,
  0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08,
  0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0,
  0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16,
  0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28,
  0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39,
  0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49,
  0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59,
  0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69,
  0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79,
  0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
  0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98,
  0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
  0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6,
  0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5,
  0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4,
  0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2,
  0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea,
  0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
  0xf9, 0xfa,
}

Definition at line 100 of file JPEGVideoRTPSource.cpp.

Referenced by createJPEGHeader().

unsigned char const chm_dc_codelens[] [static]

Initial value:

 {
  0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,
}

Definition at line 124 of file JPEGVideoRTPSource.cpp.

Referenced by createJPEGHeader().

unsigned char const chm_dc_symbols[] [static]

Initial value:

 {
  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
}

Definition at line 128 of file JPEGVideoRTPSource.cpp.

Referenced by createJPEGHeader().

unsigned char const chm_ac_codelens[] [static]

Initial value:

 {
  0, 2, 1, 2, 4, 4, 3, 4, 7, 5, 4, 4, 0, 1, 2, 0x77,
}

Definition at line 132 of file JPEGVideoRTPSource.cpp.

Referenced by createJPEGHeader().

unsigned char const chm_ac_symbols[] [static]

Initial value:

 {
  0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21,
  0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71,
  0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91,
  0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0,
  0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34,
  0xe1, 0x25, 0xf1, 0x17, 0x18, 0x19, 0x1a, 0x26,
  0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, 0x38,
  0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48,
  0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
  0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68,
  0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
  0x79, 0x7a, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
  0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96,
  0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5,
  0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4,
  0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3,
  0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2,
  0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda,
  0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9,
  0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
  0xf9, 0xfa,
}

Definition at line 136 of file JPEGVideoRTPSource.cpp.

Referenced by createJPEGHeader().

unsigned char const defaultQuantizers[128] [static]

Initial value:

 {
  
  16, 11, 12, 14, 12, 10, 16, 14,
  13, 14, 18, 17, 16, 19, 24, 40,
  26, 24, 22, 22, 24, 49, 35, 37,
  29, 40, 58, 51, 61, 60, 57, 51,
  56, 55, 64, 72, 92, 78, 64, 68,
  87, 69, 55, 56, 80, 109, 81, 87,
  95, 98, 103, 104, 103, 62, 77, 113,
  121, 112, 100, 120, 92, 101, 103, 99,
  
  17, 18, 18, 24, 21, 24, 47, 26,
  26, 47, 99, 66, 56, 66, 99, 99,
  99, 99, 99, 99, 99, 99, 99, 99,
  99, 99, 99, 99, 99, 99, 99, 99,
  99, 99, 99, 99, 99, 99, 99, 99,
  99, 99, 99, 99, 99, 99, 99, 99,
  99, 99, 99, 99, 99, 99, 99, 99,
  99, 99, 99, 99, 99, 99, 99, 99
}

Definition at line 272 of file JPEGVideoRTPSource.cpp.

Referenced by makeDefaultQtables().


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