X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=libopenjpeg%2Ft2.h;h=55cac98f741fc77276337b7a7e1a65eb23fa0c06;hb=d44375aece5dea2af83ffb8c9de4ade2ad35c593;hp=b15b752001936507bbfd0d0a007088cc0b492117;hpb=64ed560f4f88cb7215adb011ba53f16f1fd3f54c;p=openjpeg.git diff --git a/libopenjpeg/t2.h b/libopenjpeg/t2.h index b15b7520..55cac98f 100644 --- a/libopenjpeg/t2.h +++ b/libopenjpeg/t2.h @@ -52,6 +52,19 @@ typedef struct opj_t2 { opj_cp_t *cp; } opj_t2_t; +/** +Tier-2 coding +*/ +typedef struct opj_t2_v2 { + /** codec context */ + opj_common_ptr cinfo; + + /** Encoding: pointer to the src image. Decoding: pointer to the dst image. */ + opj_image_header_t *image; + /** pointer to the image coding parameters */ + opj_cp_v2_t *cp; +} opj_t2_v2_t; + /** @name Exported functions */ /*@{*/ /* ----------------------------------------------------------------------- */ @@ -67,6 +80,7 @@ Encode the packets of a tile to a destination buffer @param cstr_info Codestream information structure @param tpnum Tile part number of the current tile @param tppos The position of the tile part flag in the progression order +@param pino @param t2_mode If == 0 In Threshold calculation ,If == 1 Final pass @param cur_totnum_tp The total number of tile parts in the current tile */ @@ -78,9 +92,34 @@ Decode the packets of a tile from a source buffer @param len length of the source buffer @param tileno number that identifies the tile for which to decode the packets @param tile tile for which to decode the packets +@param cstr_info Codestream information structure */ int t2_decode_packets(opj_t2_t *t2, unsigned char *src, int len, int tileno, opj_tcd_tile_t *tile, opj_codestream_info_t *cstr_info); +/** +Decode the packets of a tile from a source buffer +@param t2 T2 handle +@param src the source buffer +@param len length of the source buffer +@param tileno number that identifies the tile for which to decode the packets +@param tile tile for which to decode the packets + */ +opj_bool t2_decode_packets_v2( opj_t2_v2_t *t2, + OPJ_UINT32 tileno, + struct opj_tcd_tile *tile, + OPJ_BYTE *src, OPJ_UINT32 * p_data_read, + OPJ_UINT32 len, + struct opj_codestream_info_v2 *cstr_info); + +/** + * Creates a Tier 2 handle + * + * @param p_image Source or destination image + * @param p_cp Image coding parameters. + * @return a new T2 handle if successful, NULL otherwise. +*/ +opj_t2_v2_t* t2_create_v2(struct opj_image_header *p_image, opj_cp_v2_t *p_cp); + /** Create a T2 handle @param cinfo Codec context info @@ -95,6 +134,12 @@ Destroy a T2 handle */ void t2_destroy(opj_t2_t *t2); +/** +Destroy a T2 handle +@param t2 T2 handle to destroy +*/ +void t2_destroy_v2(opj_t2_v2_t *t2); + /* ----------------------------------------------------------------------- */ /*@}*/