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[trunk] first steps about merge compression WIP

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This commit is contained in:
Mickael Savinaud
2012-03-09 17:15:41 +00:00
parent 4a2673772a
commit fcfb8dd2ed
5 changed files with 444 additions and 73 deletions
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35
libopenjpeg/openjpeg.h
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@@ -165,7 +165,8 @@ typedef OPJ_INT64 OPJ_OFF_T;
typedef enum RSIZ_CAPABILITIES {
STD_RSIZ = 0, /** Standard JPEG2000 profile*/
CINEMA2K = 3, /** Profile name for a 2K image*/
CINEMA4K = 4 /** Profile name for a 4K image*/
CINEMA4K = 4, /** Profile name for a 4K image*/
MCT = 0x8100
} OPJ_RSIZ_CAPABILITIES;
/**
@@ -417,6 +418,9 @@ typedef struct opj_cparameters {
char tcp_mct;
/** Enable JPIP indexing*/
opj_bool jpip_on;
/** Naive implementation of MCT restricted to a single reversible array based encoding without offset concerning all the components. */
void * mct_data;
} opj_cparameters_t;
#define OPJ_DPARAMETERS_IGNORE_PCLR_CMAP_CDEF_FLAG 0x0001
@@ -1391,6 +1395,15 @@ Creates a J2K/JP2 compression structure
@return Returns a handle to a compressor if successful, returns NULL otherwise
*/
OPJ_API opj_cinfo_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT format);
/**
Creates a J2K/JP2 compression structure
@param format Coder to select
@return Returns a handle to a compressor if successful, returns NULL otherwise
*/
OPJ_API opj_codec_t* OPJ_CALLCONV opj_create_compress_v2(OPJ_CODEC_FORMAT format);
/**
Destroy a compressor handle
@param cinfo compressor handle to destroy
@@ -1529,6 +1542,26 @@ OPJ_API opj_jp2_metadata_t* OPJ_CALLCONV opj_get_jp2_metadata(opj_codec_t *p_cod
OPJ_API opj_jp2_index_t* OPJ_CALLCONV opj_get_jp2_index(opj_codec_t *p_codec);
/*
==========================================================
new functions
==========================================================
*/
/**
* Sets the MCT matrix to use.
*
* @param parameters the parameters to change.
* @param pEncodingMatrix the encoding matrix.
* @param p_dc_shift the dc shift coefficients to use.
* @param pNbComp the number of components of the image.
*
* @return true if the parameters could be set.
*/
OPJ_API opj_bool OPJ_CALLCONV opj_set_MCT( opj_cparameters_t *parameters,
OPJ_FLOAT32 * pEncodingMatrix,
OPJ_INT32 * p_dc_shift,
OPJ_UINT32 pNbComp);