#define OPJ_PROFILE_BC_MULTI 0x0200 /** Multi Tile Broadcast profile defined in 15444-1 AMD3 */
#define OPJ_PROFILE_BC_MULTI_R 0x0300 /** Multi Tile Reversible Broadcast profile defined in 15444-1 AMD3 */
#define OPJ_PROFILE_IMF_2K 0x0400 /** 2K Single Tile Lossy IMF profile defined in 15444-1 AMD 8 */
-#define OPJ_PROFILE_IMF_4K 0x0401 /** 4K Single Tile Lossy IMF profile defined in 15444-1 AMD 8 */
-#define OPJ_PROFILE_IMF_8K 0x0402 /** 8K Single Tile Lossy IMF profile defined in 15444-1 AMD 8 */
-#define OPJ_PROFILE_IMF_2K_R 0x0403 /** 2K Single/Multi Tile Reversible IMF profile defined in 15444-1 AMD 8 */
+#define OPJ_PROFILE_IMF_4K 0x0500 /** 4K Single Tile Lossy IMF profile defined in 15444-1 AMD 8 */
+#define OPJ_PROFILE_IMF_8K 0x0600 /** 8K Single Tile Lossy IMF profile defined in 15444-1 AMD 8 */
+#define OPJ_PROFILE_IMF_2K_R 0x0700 /** 2K Single/Multi Tile Reversible IMF profile defined in 15444-1 AMD 8 */
#define OPJ_PROFILE_IMF_4K_R 0x0800 /** 4K Single/Multi Tile Reversible IMF profile defined in 15444-1 AMD 8 */
-#define OPJ_PROFILE_IMF_8K_R 0x0801 /** 8K Single/Multi Tile Reversible IMF profile defined in 15444-1 AMD 8 */
+#define OPJ_PROFILE_IMF_8K_R 0x0900 /** 8K Single/Multi Tile Reversible IMF profile defined in 15444-1 AMD 8 */
/**
* JPEG 2000 Part-2 extensions
#define OPJ_IS_IMF(v) (((v) >= OPJ_PROFILE_IMF_2K)&&((v) <= ((OPJ_PROFILE_IMF_8K_R) | (0x009b))))
#define OPJ_IS_PART2(v) ((v) & OPJ_PROFILE_PART2)
+#define OPJ_GET_IMF_PROFILE(v) ((v) & 0xff00) /** Extract IMF profile without mainlevel/sublevel */
+#define OPJ_GET_IMF_MAINLEVEL(v) ((v) & 0xf) /** Extract IMF main level */
+#define OPJ_GET_IMF_SUBLEVEL(v) (((v) >> 4) & 0xf) /** Extract IMF sub level */
+
+#define OPJ_IMF_MAINLEVEL_MAX 11 /** Maximum main level */
+
+/** Max. Components Sampling Rate (MSamples/sec) per IMF main level */
+#define OPJ_IMF_MAINLEVEL_1_MSAMPLESEC 65 /** MSamples/sec for IMF main level 1 */
+#define OPJ_IMF_MAINLEVEL_2_MSAMPLESEC 130 /** MSamples/sec for IMF main level 2 */
+#define OPJ_IMF_MAINLEVEL_3_MSAMPLESEC 195 /** MSamples/sec for IMF main level 3 */
+#define OPJ_IMF_MAINLEVEL_4_MSAMPLESEC 260 /** MSamples/sec for IMF main level 4 */
+#define OPJ_IMF_MAINLEVEL_5_MSAMPLESEC 520 /** MSamples/sec for IMF main level 5 */
+#define OPJ_IMF_MAINLEVEL_6_MSAMPLESEC 1200 /** MSamples/sec for IMF main level 6 */
+#define OPJ_IMF_MAINLEVEL_7_MSAMPLESEC 2400 /** MSamples/sec for IMF main level 7 */
+#define OPJ_IMF_MAINLEVEL_8_MSAMPLESEC 4800 /** MSamples/sec for IMF main level 8 */
+#define OPJ_IMF_MAINLEVEL_9_MSAMPLESEC 9600 /** MSamples/sec for IMF main level 9 */
+#define OPJ_IMF_MAINLEVEL_10_MSAMPLESEC 19200 /** MSamples/sec for IMF main level 10 */
+#define OPJ_IMF_MAINLEVEL_11_MSAMPLESEC 38400 /** MSamples/sec for IMF main level 11 */
+
+/** Max. compressed Bit Rate (Mbits/s) per IMF sub level */
+#define OPJ_IMF_SUBLEVEL_1_MBITSSEC 200 /** Mbits/s for IMF sub level 1 */
+#define OPJ_IMF_SUBLEVEL_2_MBITSSEC 400 /** Mbits/s for IMF sub level 2 */
+#define OPJ_IMF_SUBLEVEL_3_MBITSSEC 800 /** Mbits/s for IMF sub level 3 */
+#define OPJ_IMF_SUBLEVEL_4_MBITSSEC 1600 /** Mbits/s for IMF sub level 4 */
+#define OPJ_IMF_SUBLEVEL_5_MBITSSEC 3200 /** Mbits/s for IMF sub level 5 */
+#define OPJ_IMF_SUBLEVEL_6_MBITSSEC 6400 /** Mbits/s for IMF sub level 6 */
+#define OPJ_IMF_SUBLEVEL_7_MBITSSEC 12800 /** Mbits/s for IMF sub level 7 */
+#define OPJ_IMF_SUBLEVEL_8_MBITSSEC 25600 /** Mbits/s for IMF sub level 8 */
+#define OPJ_IMF_SUBLEVEL_9_MBITSSEC 51200 /** Mbits/s for IMF sub level 9 */
+
/**
* JPEG 2000 codestream and component size limits in cinema profiles
* */
==========================================================
*/
+#ifndef OPJ_UINT32_SEMANTICALLY_BUT_INT32
+#define OPJ_UINT32_SEMANTICALLY_BUT_INT32 OPJ_INT32
+#endif
+
/**
* Progression order changes
*
OPJ_PROG_ORDER prg1, prg;
/** Progression order string*/
OPJ_CHAR progorder[5];
- /** Tile number */
+ /** Tile number (starting at 1) */
OPJ_UINT32 tile;
/** Start and end values for Tile width and height*/
- OPJ_INT32 tx0, tx1, ty0, ty1;
+ OPJ_UINT32_SEMANTICALLY_BUT_INT32 tx0, tx1, ty0, ty1;
/** Start value, initialised in pi_initialise_encode*/
OPJ_UINT32 layS, resS, compS, prcS;
/** End value, initialised in pi_initialise_encode */
OPJ_UINT32 numpocs;
/** number of layers */
int tcp_numlayers;
- /** rates of layers - might be subsequently limited by the max_cs_size field */
+ /** rates of layers - might be subsequently limited by the max_cs_size field.
+ * Should be decreasing. 1 can be
+ * used as last value to indicate the last layer is lossless. */
float tcp_rates[100];
- /** different psnr for successive layers */
+ /** different psnr for successive layers. Should be increasing. 0 can be
+ * used as last value to indicate the last layer is lossless. */
float tcp_distoratio[100];
/** number of resolutions */
int numresolution;
/** Verbose mode */
OPJ_BOOL m_verbose;
- /** tile number ot the decoded tile*/
+ /** tile number of the decoded tile */
OPJ_UINT32 tile_index;
/** Nb of tile to decode */
OPJ_UINT32 nb_tile_to_decode;
opj_stream_skip_fn p_function);
/**
- * Sets the given function to be used as a seek function, the stream is then seekable.
+ * Sets the given function to be used as a seek function, the stream is then seekable,
+ * using SEEK_SET behavior.
* @param p_stream the stream to modify
* @param p_function the function to use a skip function.
*/
* number, or "ALL_CPUS". If OPJ_NUM_THREADS is set and this function is called,
* this function will override the behaviour of the environment variable.
*
+ * Currently this function must be called after opj_setup_decoder() and
+ * before opj_read_header().
+ *
* Note: currently only has effect on the decompressor.
*
* @param p_codec decompressor handler
opj_codec_t *p_codec,
opj_image_t **p_image);
+
+/** Restrict the number of components to decode.
+ *
+ * This function should be called after opj_read_header().
+ *
+ * This function enables to restrict the set of decoded components to the
+ * specified indices.
+ * Note that the current implementation (apply_color_transforms == OPJ_FALSE)
+ * is such that neither the multi-component transform at codestream level,
+ * nor JP2 channel transformations will be applied.
+ * Consequently the indices are relative to the codestream.
+ *
+ * Note: opj_decode_tile_data() should not be used together with opj_set_decoded_components().
+ *
+ * @param p_codec the jpeg2000 codec to read.
+ * @param numcomps Size of the comps_indices array.
+ * @param comps_indices Array of numcomps values representing the indices
+ * of the components to decode (relative to the
+ * codestream, starting at 0)
+ * @param apply_color_transforms Whether multi-component transform at codestream level
+ * or JP2 channel transformations should be applied.
+ * Currently this parameter should be set to OPJ_FALSE.
+ * Setting it to OPJ_TRUE will result in an error.
+ *
+ * @return OPJ_TRUE in case of success.
+ */
+OPJ_API OPJ_BOOL OPJ_CALLCONV opj_set_decoded_components(opj_codec_t *p_codec,
+ OPJ_UINT32 numcomps,
+ const OPJ_UINT32* comps_indices,
+ OPJ_BOOL apply_color_transforms);
+
/**
* Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading.
*
* that is to say at the highest resolution level, even if requesting the image at lower
* resolution levels.
*
+ * Generally opj_set_decode_area() should be followed by opj_decode(), and the
+ * codec cannot be re-used.
+ * In the particular case of an image made of a single tile, several sequences of
+ * calls to opoj_set_decode_area() and opj_decode() are allowed, and will bring
+ * performance improvements when reading an image by chunks.
+ *
* @param p_codec the jpeg2000 codec.
- * @param p_image the decoded image previously setted by opj_read_header
+ * @param p_image the decoded image previously set by opj_read_header
* @param p_start_x the left position of the rectangle to decode (in image coordinates).
* @param p_end_x the right position of the rectangle to decode (in image coordinates).
* @param p_start_y the up position of the rectangle to decode (in image coordinates).
* Reads a tile data. This function is compulsory and allows one to decode tile data. opj_read_tile_header should be called before.
* The user may need to refer to the image got by opj_read_header to understand the size being taken by the tile.
*
+ * Note: opj_decode_tile_data() should not be used together with opj_set_decoded_components().
+ *
* @param p_codec the jpeg2000 codec.
* @param p_tile_index the index of the tile being decoded, this should be the value set by opj_read_tile_header.
* @param p_data pointer to a memory block that will hold the decoded data.
projects / openjpeg.git / blobdiff