diff options
Diffstat (limited to 'openjpeg/src/lib/openjp2/tcd.h')
| -rw-r--r-- | openjpeg/src/lib/openjp2/tcd.h | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/openjpeg/src/lib/openjp2/tcd.h b/openjpeg/src/lib/openjp2/tcd.h index e3214c1d..f1b52b8d 100644 --- a/openjpeg/src/lib/openjp2/tcd.h +++ b/openjpeg/src/lib/openjp2/tcd.h @@ -284,6 +284,22 @@ typedef struct opj_tcd { OPJ_BOOL* used_component; } opj_tcd_t; +/** + * Structure to hold information needed to generate some markers. + * Used by encoder. + */ +typedef struct opj_tcd_marker_info { + /** In: Whether information to generate PLT markers in needed */ + OPJ_BOOL need_PLT; + + /** OUT: Number of elements in p_packet_size[] array */ + OPJ_UINT32 packet_count; + + /** OUT: Array of size packet_count, such that p_packet_size[i] is + * the size in bytes of the ith packet */ + OPJ_UINT32* p_packet_size; +} opj_tcd_marker_info_t; + /** @name Exported functions */ /*@{*/ /* ----------------------------------------------------------------------- */ @@ -306,6 +322,21 @@ Destroy a previously created TCD handle */ void opj_tcd_destroy(opj_tcd_t *tcd); + +/** + * Create a new opj_tcd_marker_info_t* structure + * @param need_PLT Whether information is needed to generate PLT markers. + */ +opj_tcd_marker_info_t* opj_tcd_marker_info_create(OPJ_BOOL need_PLT); + + +/** +Destroy a previously created opj_tcd_marker_info_t* structure +@param p_tcd_marker_info Structure to destroy +*/ +void opj_tcd_marker_info_destroy(opj_tcd_marker_info_t *p_tcd_marker_info); + + /** * Initialize the tile coder and may reuse some memory. * @param p_tcd TCD handle. @@ -364,6 +395,7 @@ OPJ_UINT32 opj_tcd_get_decoded_tile_size(opj_tcd_t *p_tcd, * @param p_data_written pointer to an int that is incremented by the number of bytes really written on p_dest * @param p_len Maximum length of the destination buffer * @param p_cstr_info Codestream information structure + * @param p_marker_info Marker information structure * @param p_manager the user event manager * @return true if the coding is successful. */ @@ -373,6 +405,7 @@ OPJ_BOOL opj_tcd_encode_tile(opj_tcd_t *p_tcd, OPJ_UINT32 * p_data_written, OPJ_UINT32 p_len, struct opj_codestream_info *p_cstr_info, + opj_tcd_marker_info_t* p_marker_info, opj_event_mgr_t *p_manager); @@ -415,9 +448,11 @@ OPJ_BOOL opj_tcd_update_tile_data(opj_tcd_t *p_tcd, OPJ_UINT32 p_dest_length); /** - * + * Get the size in bytes of the input buffer provided before encoded. + * This must be the size provided to the p_src_length argument of + * opj_tcd_copy_tile_data() */ -OPJ_SIZE_T opj_tcd_get_encoded_tile_size(opj_tcd_t *p_tcd); +OPJ_SIZE_T opj_tcd_get_encoder_input_buffer_size(opj_tcd_t *p_tcd); /** * Initialize the tile coder and may reuse some meory. @@ -433,6 +468,8 @@ OPJ_BOOL opj_tcd_init_encode_tile(opj_tcd_t *p_tcd, /** * Copies tile data from the given memory block onto the system. + * + * p_src_length must be equal to opj_tcd_get_encoder_input_buffer_size() */ OPJ_BOOL opj_tcd_copy_tile_data(opj_tcd_t *p_tcd, OPJ_BYTE * p_src, |