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authorMickael Savinaud <savmickael@users.noreply.github.com>2012-08-09 12:51:16 +0000
committerMickael Savinaud <savmickael@users.noreply.github.com>2012-08-09 12:51:16 +0000
commita6d76b3c485cde1691c5f19d0a70c5a43f7dcf86 (patch)
tree2bdf4522c54e2b3654e7da4ff474927d86fb77f2 /libopenjpeg/openjpeg.c
parent5d0ace05772d90a40bad9dc98f4bf225d3ef21a2 (diff)
[trunk] move functions in openjpeg.c in two parts compression vs decompression
Diffstat (limited to 'libopenjpeg/openjpeg.c')
-rw-r--r--libopenjpeg/openjpeg.c586
1 files changed, 297 insertions, 289 deletions
diff --git a/libopenjpeg/openjpeg.c b/libopenjpeg/openjpeg.c
index 22900d12..f71d07b9 100644
--- a/libopenjpeg/openjpeg.c
+++ b/libopenjpeg/openjpeg.c
@@ -479,6 +479,222 @@ opj_bool OPJ_CALLCONV opj_setup_decoder(opj_codec_t *p_codec,
return OPJ_FALSE;
}
+opj_bool OPJ_CALLCONV opj_read_header ( opj_stream_t *p_stream,
+ opj_codec_t *p_codec,
+ opj_image_t **p_image )
+{
+ if (p_codec && p_stream) {
+ opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
+ opj_stream_private_t* l_stream = (opj_stream_private_t*) p_stream;
+
+ if(! l_codec->is_decompressor) {
+ opj_event_msg_v2(&(l_codec->m_event_mgr), EVT_ERROR, "Codec provided to the opj_read_header function is not a decompressor handler.\n");
+ return OPJ_FALSE;
+ }
+
+ return l_codec->m_codec_data.m_decompression.opj_read_header( l_stream,
+ l_codec->m_codec,
+ p_image,
+ &(l_codec->m_event_mgr) );
+ }
+
+ return OPJ_FALSE;
+}
+
+/*
+ *
+ *
+ */
+opj_bool OPJ_CALLCONV opj_decode( opj_codec_t *p_codec,
+ opj_stream_t *p_stream,
+ opj_image_t* p_image)
+{
+ if (p_codec && p_stream) {
+ opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+ opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
+
+ if (! l_codec->is_decompressor) {
+ return OPJ_FALSE;
+ }
+
+ return l_codec->m_codec_data.m_decompression.opj_decode(l_codec->m_codec,
+ l_stream,
+ p_image,
+ &(l_codec->m_event_mgr) );
+ }
+
+ return OPJ_FALSE;
+}
+
+
+/**
+ * Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading.
+ *
+ * @param p_codec the jpeg2000 codec.
+ * @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).
+ * @param p_end_y the bottom position of the rectangle to decode (in image coordinates).
+ *
+ * @return true if the area could be set.
+ */
+opj_bool OPJ_CALLCONV opj_set_decode_area( opj_codec_t *p_codec,
+ opj_image_t* p_image,
+ OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
+ OPJ_INT32 p_end_x, OPJ_INT32 p_end_y
+ )
+{
+ if (p_codec) {
+ opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+
+ if (! l_codec->is_decompressor) {
+ return OPJ_FALSE;
+ }
+
+ return l_codec->m_codec_data.m_decompression.opj_set_decode_area( l_codec->m_codec,
+ p_image,
+ p_start_x, p_start_y,
+ p_end_x, p_end_y,
+ &(l_codec->m_event_mgr) );
+ }
+ return OPJ_FALSE;
+}
+
+/**
+ * Reads a tile header. This function is compulsory and allows one to know the size of the tile thta will be decoded.
+ * The user may need to refer to the image got by opj_read_header to understand the size being taken by the tile.
+ *
+ * @param p_codec the jpeg2000 codec.
+ * @param p_tile_index pointer to a value that will hold the index of the tile being decoded, in case of success.
+ * @param p_data_size pointer to a value that will hold the maximum size of the decoded data, in case of success. In case
+ * of truncated codestreams, the actual number of bytes decoded may be lower. The computation of the size is the same
+ * as depicted in opj_write_tile.
+ * @param p_tile_x0 pointer to a value that will hold the x0 pos of the tile (in the image).
+ * @param p_tile_y0 pointer to a value that will hold the y0 pos of the tile (in the image).
+ * @param p_tile_x1 pointer to a value that will hold the x1 pos of the tile (in the image).
+ * @param p_tile_y1 pointer to a value that will hold the y1 pos of the tile (in the image).
+ * @param p_nb_comps pointer to a value that will hold the number of components in the tile.
+ * @param p_should_go_on pointer to a boolean that will hold the fact that the decoding should go on. In case the
+ * codestream is over at the time of the call, the value will be set to false. The user should then stop
+ * the decoding.
+ * @param p_stream the stream to decode.
+ * @return true if the tile header could be decoded. In case the decoding should end, the returned value is still true.
+ * returning false may be the result of a shortage of memory or an internal error.
+ */
+opj_bool OPJ_CALLCONV opj_read_tile_header( opj_codec_t *p_codec,
+ opj_stream_t * p_stream,
+ OPJ_UINT32 * p_tile_index,
+ OPJ_UINT32 * p_data_size,
+ OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
+ OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
+ OPJ_UINT32 * p_nb_comps,
+ opj_bool * p_should_go_on)
+{
+ if (p_codec && p_stream && p_data_size && p_tile_index) {
+ opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+ opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
+
+ if (! l_codec->is_decompressor) {
+ return OPJ_FALSE;
+ }
+
+ return l_codec->m_codec_data.m_decompression.opj_read_tile_header( l_codec->m_codec,
+ p_tile_index,
+ p_data_size,
+ p_tile_x0, p_tile_y0,
+ p_tile_x1, p_tile_y1,
+ p_nb_comps,
+ p_should_go_on,
+ l_stream,
+ &(l_codec->m_event_mgr));
+ }
+ return OPJ_FALSE;
+}
+
+/**
+ * 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.
+ *
+ * @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.
+ * @param p_data_size size of p_data. p_data_size should be bigger or equal to the value set by opj_read_tile_header.
+ * @param p_stream the stream to decode.
+ *
+ * @return true if the data could be decoded.
+ */
+opj_bool OPJ_CALLCONV opj_decode_tile_data( opj_codec_t *p_codec,
+ OPJ_UINT32 p_tile_index,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 p_data_size,
+ opj_stream_t *p_stream
+ )
+{
+ if (p_codec && p_data && p_stream) {
+ opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+ opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
+
+ if (! l_codec->is_decompressor) {
+ return OPJ_FALSE;
+ }
+
+ return l_codec->m_codec_data.m_decompression.opj_decode_tile_data( l_codec->m_codec,
+ p_tile_index,
+ p_data,
+ p_data_size,
+ l_stream,
+ &(l_codec->m_event_mgr) );
+ }
+ return OPJ_FALSE;
+}
+
+/*
+ *
+ *
+ */
+opj_bool OPJ_CALLCONV opj_get_decoded_tile( opj_codec_t *p_codec,
+ opj_stream_t *p_stream,
+ opj_image_t *p_image,
+ OPJ_UINT32 tile_index)
+{
+ if (p_codec && p_stream) {
+ opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+ opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
+
+ if (! l_codec->is_decompressor) {
+ return OPJ_FALSE;
+ }
+
+ return l_codec->m_codec_data.m_decompression.opj_get_decoded_tile( l_codec->m_codec,
+ l_stream,
+ p_image,
+ &(l_codec->m_event_mgr),
+ tile_index);
+ }
+
+ return OPJ_FALSE;
+}
+
+/*
+ *
+ *
+ */
+opj_bool OPJ_CALLCONV opj_set_decoded_resolution_factor(opj_codec_t *p_codec,
+ OPJ_UINT32 res_factor )
+{
+ opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+
+ if ( !l_codec ){
+ fprintf(stderr, "[ERROR] Input parameters of the setup_decoder function are incorrect.\n");
+ return OPJ_FALSE;
+ }
+
+ l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor(l_codec->m_codec,
+ res_factor,
+ &(l_codec->m_event_mgr) );
+ return OPJ_TRUE;
+}
+
/* ---------------------------------------------------------------------- */
/* COMPRESSION FUNCTIONS*/
@@ -710,42 +926,23 @@ opj_bool OPJ_CALLCONV opj_end_compress (opj_codec_t *p_codec,
}
-
-
-/* DEPRECATED */
-void OPJ_CALLCONV opj_destroy_cstr_info(opj_codestream_info_t *cstr_info) {
- if (cstr_info) {
- int tileno;
- for (tileno = 0; tileno < cstr_info->tw * cstr_info->th; tileno++) {
- opj_tile_info_t *tile_info = &cstr_info->tile[tileno];
- opj_free(tile_info->thresh);
- opj_free(tile_info->packet);
- opj_free(tile_info->tp);
- opj_free(tile_info->marker);
- }
- opj_free(cstr_info->tile);
- opj_free(cstr_info->marker);
- opj_free(cstr_info->numdecompos);
- }
-}
-
-
-opj_bool OPJ_CALLCONV opj_read_header ( opj_stream_t *p_stream,
- opj_codec_t *p_codec,
- opj_image_t **p_image )
+/*
+ *
+ *
+ */
+opj_bool OPJ_CALLCONV opj_end_decompress ( opj_codec_t *p_codec,
+ opj_stream_t *p_stream)
{
if (p_codec && p_stream) {
- opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
- opj_stream_private_t* l_stream = (opj_stream_private_t*) p_stream;
+ opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+ opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
- if(! l_codec->is_decompressor) {
- opj_event_msg_v2(&(l_codec->m_event_mgr), EVT_ERROR, "Codec provided to the opj_read_header function is not a decompressor handler.\n");
+ if (! l_codec->is_decompressor) {
return OPJ_FALSE;
}
-
- return l_codec->m_codec_data.m_decompression.opj_read_header( l_stream,
- l_codec->m_codec,
- p_image,
+
+ return l_codec->m_codec_data.m_decompression.opj_end_decompress(l_codec->m_codec,
+ l_stream,
&(l_codec->m_event_mgr) );
}
@@ -753,144 +950,106 @@ opj_bool OPJ_CALLCONV opj_read_header ( opj_stream_t *p_stream,
}
-void OPJ_CALLCONV opj_destroy_codec(opj_codec_t *p_codec)
+opj_bool OPJ_CALLCONV opj_set_MCT(opj_cparameters_t *parameters,OPJ_FLOAT32 * pEncodingMatrix,OPJ_INT32 * p_dc_shift,OPJ_UINT32 pNbComp)
{
- if (p_codec) {
- opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+ OPJ_UINT32 l_matrix_size = pNbComp * pNbComp * sizeof(OPJ_FLOAT32);
+ OPJ_UINT32 l_dc_shift_size = pNbComp * sizeof(OPJ_INT32);
+ OPJ_UINT32 l_mct_total_size = l_matrix_size + l_dc_shift_size;
- if (l_codec->is_decompressor) {
- l_codec->m_codec_data.m_decompression.opj_destroy(l_codec->m_codec);
- }
- else {
- l_codec->m_codec_data.m_compression.opj_destroy(l_codec->m_codec);
- }
+ /* add MCT capability */
+ int rsiz = (int)parameters->cp_rsiz | (int)MCT;
+ parameters->cp_rsiz = (OPJ_RSIZ_CAPABILITIES)rsiz;
+ parameters->irreversible = 1;
- l_codec->m_codec = 00;
- opj_free(l_codec);
+ /* use array based MCT */
+ parameters->tcp_mct = 2;
+ parameters->mct_data = opj_malloc(l_mct_total_size);
+ if (! parameters->mct_data) {
+ return OPJ_FALSE;
}
+
+ memcpy(parameters->mct_data,pEncodingMatrix,l_matrix_size);
+ memcpy(((OPJ_BYTE *) parameters->mct_data) + l_matrix_size,p_dc_shift,l_dc_shift_size);
+
+ return OPJ_TRUE;
}
/**
- * Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading.
- *
- * @param p_codec the jpeg2000 codec.
- * @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).
- * @param p_end_y the bottom position of the rectangle to decode (in image coordinates).
+ * Writes a tile with the given data.
*
- * @return true if the area could be set.
+ * @param p_compressor the jpeg2000 codec.
+ * @param p_tile_index the index of the tile to write. At the moment, the tiles must be written from 0 to n-1 in sequence.
+ * @param p_data pointer to the data to write. Data is arranged in sequence, data_comp0, then data_comp1, then ... NO INTERLEAVING should be set.
+ * @param p_data_size this value os used to make sure the data being written is correct. The size must be equal to the sum for each component of tile_width * tile_height * component_size. component_size can be 1,2 or 4 bytes,
+ * depending on the precision of the given component.
+ * @param p_stream the stream to write data to.
*/
-opj_bool OPJ_CALLCONV opj_set_decode_area( opj_codec_t *p_codec,
- opj_image_t* p_image,
- OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
- OPJ_INT32 p_end_x, OPJ_INT32 p_end_y
- )
+opj_bool OPJ_CALLCONV opj_write_tile ( opj_codec_t *p_codec,
+ OPJ_UINT32 p_tile_index,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 p_data_size,
+ opj_stream_t *p_stream )
{
- if (p_codec) {
+ if (p_codec && p_stream && p_data) {
opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
-
- if (! l_codec->is_decompressor) {
+ opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
+
+ if (l_codec->is_decompressor) {
return OPJ_FALSE;
}
- return l_codec->m_codec_data.m_decompression.opj_set_decode_area( l_codec->m_codec,
- p_image,
- p_start_x, p_start_y,
- p_end_x, p_end_y,
- &(l_codec->m_event_mgr) );
+ return l_codec->m_codec_data.m_compression.opj_write_tile( l_codec->m_codec,
+ p_tile_index,
+ p_data,
+ p_data_size,
+ l_stream,
+ &(l_codec->m_event_mgr) );
}
+
return OPJ_FALSE;
}
-/**
- * Reads a tile header. This function is compulsory and allows one to know the size of the tile thta will be decoded.
- * The user may need to refer to the image got by opj_read_header to understand the size being taken by the tile.
- *
- * @param p_codec the jpeg2000 codec.
- * @param p_tile_index pointer to a value that will hold the index of the tile being decoded, in case of success.
- * @param p_data_size pointer to a value that will hold the maximum size of the decoded data, in case of success. In case
- * of truncated codestreams, the actual number of bytes decoded may be lower. The computation of the size is the same
- * as depicted in opj_write_tile.
- * @param p_tile_x0 pointer to a value that will hold the x0 pos of the tile (in the image).
- * @param p_tile_y0 pointer to a value that will hold the y0 pos of the tile (in the image).
- * @param p_tile_x1 pointer to a value that will hold the x1 pos of the tile (in the image).
- * @param p_tile_y1 pointer to a value that will hold the y1 pos of the tile (in the image).
- * @param p_nb_comps pointer to a value that will hold the number of components in the tile.
- * @param p_should_go_on pointer to a boolean that will hold the fact that the decoding should go on. In case the
- * codestream is over at the time of the call, the value will be set to false. The user should then stop
- * the decoding.
- * @param p_stream the stream to decode.
- * @return true if the tile header could be decoded. In case the decoding should end, the returned value is still true.
- * returning false may be the result of a shortage of memory or an internal error.
- */
-opj_bool OPJ_CALLCONV opj_read_tile_header( opj_codec_t *p_codec,
- opj_stream_t * p_stream,
- OPJ_UINT32 * p_tile_index,
- OPJ_UINT32 * p_data_size,
- OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
- OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
- OPJ_UINT32 * p_nb_comps,
- opj_bool * p_should_go_on)
-{
- if (p_codec && p_stream && p_data_size && p_tile_index) {
- opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
- opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
- if (! l_codec->is_decompressor) {
- return OPJ_FALSE;
+/* DEPRECATED */
+void OPJ_CALLCONV opj_destroy_cstr_info(opj_codestream_info_t *cstr_info) {
+ if (cstr_info) {
+ int tileno;
+ for (tileno = 0; tileno < cstr_info->tw * cstr_info->th; tileno++) {
+ opj_tile_info_t *tile_info = &cstr_info->tile[tileno];
+ opj_free(tile_info->thresh);
+ opj_free(tile_info->packet);
+ opj_free(tile_info->tp);
+ opj_free(tile_info->marker);
}
-
- return l_codec->m_codec_data.m_decompression.opj_read_tile_header( l_codec->m_codec,
- p_tile_index,
- p_data_size,
- p_tile_x0, p_tile_y0,
- p_tile_x1, p_tile_y1,
- p_nb_comps,
- p_should_go_on,
- l_stream,
- &(l_codec->m_event_mgr));
+ opj_free(cstr_info->tile);
+ opj_free(cstr_info->marker);
+ opj_free(cstr_info->numdecompos);
}
- return OPJ_FALSE;
}
-/**
- * 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.
- *
- * @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.
- * @param p_data_size size of p_data. p_data_size should be bigger or equal to the value set by opj_read_tile_header.
- * @param p_stream the stream to decode.
- *
- * @return true if the data could be decoded.
- */
-opj_bool OPJ_CALLCONV opj_decode_tile_data( opj_codec_t *p_codec,
- OPJ_UINT32 p_tile_index,
- OPJ_BYTE * p_data,
- OPJ_UINT32 p_data_size,
- opj_stream_t *p_stream
- )
+
+
+
+
+void OPJ_CALLCONV opj_destroy_codec(opj_codec_t *p_codec)
{
- if (p_codec && p_data && p_stream) {
+ if (p_codec) {
opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
- opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
- if (! l_codec->is_decompressor) {
- return OPJ_FALSE;
+ if (l_codec->is_decompressor) {
+ l_codec->m_codec_data.m_decompression.opj_destroy(l_codec->m_codec);
+ }
+ else {
+ l_codec->m_codec_data.m_compression.opj_destroy(l_codec->m_codec);
}
- return l_codec->m_codec_data.m_decompression.opj_decode_tile_data( l_codec->m_codec,
- p_tile_index,
- p_data,
- p_data_size,
- l_stream,
- &(l_codec->m_event_mgr) );
+ l_codec->m_codec = 00;
+ opj_free(l_codec);
}
- return OPJ_FALSE;
}
+
+
/*
*
*
@@ -972,160 +1131,9 @@ void OPJ_CALLCONV opj_destroy_cstr_index(opj_codestream_index_t **p_cstr_index)
}
}
-/*
- *
- *
- */
-opj_bool OPJ_CALLCONV opj_decode( opj_codec_t *p_codec,
- opj_stream_t *p_stream,
- opj_image_t* p_image)
-{
- if (p_codec && p_stream) {
- opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
- opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
-
- if (! l_codec->is_decompressor) {
- return OPJ_FALSE;
- }
-
- return l_codec->m_codec_data.m_decompression.opj_decode(l_codec->m_codec,
- l_stream,
- p_image,
- &(l_codec->m_event_mgr) );
- }
-
- return OPJ_FALSE;
-}
-
-/*
- *
- *
- */
-opj_bool OPJ_CALLCONV opj_end_decompress ( opj_codec_t *p_codec,
- opj_stream_t *p_stream)
-{
- if (p_codec && p_stream) {
- opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
- opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
-
- if (! l_codec->is_decompressor) {
- return OPJ_FALSE;
- }
-
- return l_codec->m_codec_data.m_decompression.opj_end_decompress(l_codec->m_codec,
- l_stream,
- &(l_codec->m_event_mgr) );
- }
-
- return OPJ_FALSE;
-}
-
-/*
- *
- *
- */
-opj_bool OPJ_CALLCONV opj_get_decoded_tile( opj_codec_t *p_codec,
- opj_stream_t *p_stream,
- opj_image_t *p_image,
- OPJ_UINT32 tile_index)
-{
- if (p_codec && p_stream) {
- opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
- opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
-
- if (! l_codec->is_decompressor) {
- return OPJ_FALSE;
- }
-
- return l_codec->m_codec_data.m_decompression.opj_get_decoded_tile( l_codec->m_codec,
- l_stream,
- p_image,
- &(l_codec->m_event_mgr),
- tile_index);
- }
-
- return OPJ_FALSE;
-}
-
-/*
- *
- *
- */
-opj_bool OPJ_CALLCONV opj_set_decoded_resolution_factor(opj_codec_t *p_codec,
- OPJ_UINT32 res_factor )
-{
- opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
- if ( !l_codec ){
- fprintf(stderr, "[ERROR] Input parameters of the setup_decoder function are incorrect.\n");
- return OPJ_FALSE;
- }
-
- l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor(l_codec->m_codec,
- res_factor,
- &(l_codec->m_event_mgr) );
- return OPJ_TRUE;
-}
-opj_bool OPJ_CALLCONV opj_set_MCT(opj_cparameters_t *parameters,OPJ_FLOAT32 * pEncodingMatrix,OPJ_INT32 * p_dc_shift,OPJ_UINT32 pNbComp)
-{
- OPJ_UINT32 l_matrix_size = pNbComp * pNbComp * sizeof(OPJ_FLOAT32);
- OPJ_UINT32 l_dc_shift_size = pNbComp * sizeof(OPJ_INT32);
- OPJ_UINT32 l_mct_total_size = l_matrix_size + l_dc_shift_size;
-
- /* add MCT capability */
- int rsiz = (int)parameters->cp_rsiz | (int)MCT;
- parameters->cp_rsiz = (OPJ_RSIZ_CAPABILITIES)rsiz;
- parameters->irreversible = 1;
-
- /* use array based MCT */
- parameters->tcp_mct = 2;
- parameters->mct_data = opj_malloc(l_mct_total_size);
- if (! parameters->mct_data) {
- return OPJ_FALSE;
- }
-
- memcpy(parameters->mct_data,pEncodingMatrix,l_matrix_size);
- memcpy(((OPJ_BYTE *) parameters->mct_data) + l_matrix_size,p_dc_shift,l_dc_shift_size);
-
- return OPJ_TRUE;
-}
-
-/**
- * Writes a tile with the given data.
- *
- * @param p_compressor the jpeg2000 codec.
- * @param p_tile_index the index of the tile to write. At the moment, the tiles must be written from 0 to n-1 in sequence.
- * @param p_data pointer to the data to write. Data is arranged in sequence, data_comp0, then data_comp1, then ... NO INTERLEAVING should be set.
- * @param p_data_size this value os used to make sure the data being written is correct. The size must be equal to the sum for each component of tile_width * tile_height * component_size. component_size can be 1,2 or 4 bytes,
- * depending on the precision of the given component.
- * @param p_stream the stream to write data to.
- */
-opj_bool OPJ_CALLCONV opj_write_tile ( opj_codec_t *p_codec,
- OPJ_UINT32 p_tile_index,
- OPJ_BYTE * p_data,
- OPJ_UINT32 p_data_size,
- opj_stream_t *p_stream )
-{
- if (p_codec && p_stream && p_data) {
- opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
- opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
-
- if (l_codec->is_decompressor) {
- return OPJ_FALSE;
- }
-
- return l_codec->m_codec_data.m_compression.opj_write_tile( l_codec->m_codec,
- p_tile_index,
- p_data,
- p_data_size,
- l_stream,
- &(l_codec->m_event_mgr) );
- }
-
- return OPJ_FALSE;
-}
/* ---------------------------------------------------------------------- */
/**