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OpenJPEG 2.5.2
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Go to the source code of this file.
Macros | |
| #define | NUM_OF_MSGTYPES 9 |
Typedefs | |
| typedef enum eMSGTYPE | msgtype_t |
Enumerations | |
| enum | eMSGTYPE { JPIPSTREAM , PNMREQ , XMLREQ , TIDREQ , CIDREQ , CIDDST , SIZREQ , JP2SAVE , QUIT , MSGERROR } |
Functions | |
| msgtype_t | identify_clientmsg (SOCKET connected_socket) |
| indeitify client message type | |
| Byte_t * | receive_JPIPstream (SOCKET connected_socket, char **target, char **tid, char **cid, OPJ_SIZE_T *streamlen) |
| receive a JPT- JPP- stream from client | |
| void | send_PNMstream (SOCKET connected_socket, Byte_t *pnmstream, unsigned int width, unsigned int height, unsigned int numofcomp, Byte_t maxval) |
| send PGM/PPM image stream to the client | |
| void | send_XMLstream (SOCKET connected_socket, Byte_t *xmlstream, OPJ_SIZE_T length) |
| send XML data stream to the client | |
| void | send_TIDstream (SOCKET connected_socket, const char *tid, OPJ_SIZE_T tidlen) |
| send TID data stream to the client | |
| void | send_CIDstream (SOCKET connected_socket, const char *cid, OPJ_SIZE_T cidlen) |
| send CID data stream to the client | |
| void | send_SIZstream (SOCKET connected_socket, unsigned int width, unsigned int height) |
| send SIZ data stream to the client | |
| void | response_signal (SOCKET connected_socket, OPJ_BOOL succeed) |
| send response signal to the client | |
PROTOCOL specification to communicate with opj_dec_server
Cache JPT- JPP- stream in server
client -> server: JPIP-stream\n version 1.1\n (optional for cid registration: targetnamestring\n tidstring\n cidstring\n) bytelengthvalue\n data
server -> client: 1 or 0 (of 1Byte response signal)
Get decoded PGM/PPM image
client -> server: PNM request\n [cid/tid]string\n fw\n fh\n
server -> client: P6 or P5 (2Byte) width (2Byte Big endian) height (2Byte Big endian) maxval (1Byte) data
Get XML data
client -> server: XML request\n
server -> client: XML (3Byte) length (2Byte Big endian) data
Get target ID of target image
client -> server: TID request\n targetname\n
server -> client: TID (3Byte) length (1Byte) tiddata
Get Channel ID of identical target image
client -> server: CID request\n targetname\n
server -> client: CID (3Byte) length (1Byte) ciddata
Close Channel ID
client -> server: CID destroy\n ciddata
server -> client: 1 or 0 (of 1Byte response signal)
Get original size of image
client -> server: SIZ request\n tidstring\n cidstring\n
server -> client: SIZ (3Byte) width (3Byte Big endian) height (3Byte Big endian)
Save in JP2 file format
client -> server: JP2 save\n ciddata
server -> client: 1 or 0 (of 1Byte response signal)
Quit the opj_dec_server program
client -> server: quit or QUIT
| #define NUM_OF_MSGTYPES 9 |
Referenced by identify_clientmsg().
| enum eMSGTYPE |
indeitify client message type
| [in] | connected_socket | file descriptor of the connected socket |
References BUF_LEN, MSGERROR, NUM_OF_MSGTYPES, and receive_line().
Referenced by handle_clientreq().
| Byte_t * receive_JPIPstream | ( | SOCKET | connected_socket, |
| char ** | target, | ||
| char ** | tid, | ||
| char ** | cid, | ||
| OPJ_SIZE_T * | streamlen ) |
receive a JPT- JPP- stream from client
| [in] | connected_socket | file descriptor of the connected socket |
| [out] | target | address of received target file name string pointer ( malloced, if not received, NULL) |
| [out] | tid | address of received target identifier string pointer ( malloced, if not received, null string) |
| [out] | cid | address of received channel identifier string pointer ( malloced, if not received, null string) |
| [out] | streamlen | length of the received codestream |
References BUF_LEN, receive_line(), and receive_stream().
Referenced by handle_JPIPstreamMSG().
send response signal to the client
| [in] | connected_socket | file descriptor of the connected socket |
| [in] | succeed | whether if the requested process succeeded |
References send_stream().
Referenced by handle_dstCIDreqMSG(), and handle_JPIPstreamMSG().
| void send_CIDstream | ( | SOCKET | connected_socket, |
| const char * | cid, | ||
| OPJ_SIZE_T | cidlen ) |
send CID data stream to the client
| [in] | connected_socket | file descriptor of the connected socket |
| [in] | cid | cid string |
| [in] | cidlen | length of the cid string |
References send_IDstream().
Referenced by handle_CIDreqMSG().
| void send_PNMstream | ( | SOCKET | connected_socket, |
| Byte_t * | pnmstream, | ||
| unsigned int | width, | ||
| unsigned int | height, | ||
| unsigned int | numofcomp, | ||
| Byte_t | maxval ) |
send PGM/PPM image stream to the client
| [in] | connected_socket | file descriptor of the connected socket |
| [in] | pnmstream | PGM/PPM image codestream |
| [in] | width | width of the PGM/PPM image (different from the original image) |
| [in] | height | height of the PGM/PPM image |
| [in] | numofcomp | number of components of the image |
| [in] | maxval | maximum value of the image (only 255 supported) |
References send_stream().
Referenced by handle_PNMreqMSG().
| void send_SIZstream | ( | SOCKET | connected_socket, |
| unsigned int | width, | ||
| unsigned int | height ) |
send SIZ data stream to the client
| [in] | connected_socket | file descriptor of the connected socket |
| [in] | width | original width of the image |
| [in] | height | original height of the image |
References send_stream().
Referenced by handle_SIZreqMSG().
| void send_TIDstream | ( | SOCKET | connected_socket, |
| const char * | tid, | ||
| OPJ_SIZE_T | tidlen ) |
send TID data stream to the client
| [in] | connected_socket | file descriptor of the connected socket |
| [in] | tid | tid string |
| [in] | tidlen | length of the tid string |
References send_IDstream().
Referenced by handle_TIDreqMSG().
| void send_XMLstream | ( | SOCKET | connected_socket, |
| Byte_t * | xmlstream, | ||
| OPJ_SIZE_T | length ) |
send XML data stream to the client
| [in] | connected_socket | file descriptor of the connected socket |
| [in] | xmlstream | xml data stream |
| [in] | length | length of the xml data stream |
References send_stream().
Referenced by handle_XMLreqMSG().