struct opj_j2k: remove unused fields, and add some documentation

[openjpeg.git] / src / lib / openjp2 / openjpeg.c

diff --git a/src/lib/openjp2/openjpeg.c b/src/lib/openjp2/openjpeg.c
index 8293a58dcc324a07801dcedba8cfc8b70b58cb82..e406cb499fd1cb41c4aae3b619321e6ddd1fa927 100644 (file)
--- a/src/lib/openjp2/openjpeg.c
+++ b/src/lib/openjp2/openjpeg.c
@@ -245,6 +245,12 @@ opj_codec_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT p_format)
                          OPJ_UINT32 res_factor,
                          struct opj_event_mgr * p_manager)) opj_j2k_set_decoded_resolution_factor;
 
+        l_codec->m_codec_data.m_decompression.opj_set_decoded_components =
+            (OPJ_BOOL(*)(void * p_codec,
+                         OPJ_UINT32 numcomps,
+                         const OPJ_UINT32 * comps_indices,
+                         struct opj_event_mgr * p_manager)) opj_j2k_set_decoded_components;
+
         l_codec->opj_set_threads =
             (OPJ_BOOL(*)(void * p_codec, OPJ_UINT32 num_threads)) opj_j2k_set_threads;
 
@@ -327,6 +333,12 @@ opj_codec_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT p_format)
                          OPJ_UINT32 res_factor,
                          opj_event_mgr_t * p_manager)) opj_jp2_set_decoded_resolution_factor;
 
+        l_codec->m_codec_data.m_decompression.opj_set_decoded_components =
+            (OPJ_BOOL(*)(void * p_codec,
+                         OPJ_UINT32 numcomps,
+                         const OPJ_UINT32 * comps_indices,
+                         struct opj_event_mgr * p_manager)) opj_jp2_set_decoded_components;
+
         l_codec->opj_set_threads =
             (OPJ_BOOL(*)(void * p_codec, OPJ_UINT32 num_threads)) opj_jp2_set_threads;
 
@@ -426,6 +438,36 @@ OPJ_BOOL OPJ_CALLCONV opj_read_header(opj_stream_t *p_stream,
     return OPJ_FALSE;
 }
 
+
+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)
+{
+    if (p_codec) {
+        opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+
+        if (! l_codec->is_decompressor) {
+            opj_event_msg(&(l_codec->m_event_mgr), EVT_ERROR,
+                          "Codec provided to the opj_set_decoded_components function is not a decompressor handler.\n");
+            return OPJ_FALSE;
+        }
+
+        if (apply_color_transforms) {
+            opj_event_msg(&(l_codec->m_event_mgr), EVT_ERROR,
+                          "apply_color_transforms = OPJ_TRUE is not supported.\n");
+            return OPJ_FALSE;
+        }
+
+        return  l_codec->m_codec_data.m_decompression.opj_set_decoded_components(
+                    l_codec->m_codec,
+                    numcomps,
+                    comps_indices,
+                    &(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)
@@ -676,11 +718,11 @@ void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t
         parameters->cp_cinema = OPJ_OFF; /* DEPRECATED */
         parameters->rsiz = OPJ_PROFILE_NONE;
         parameters->max_comp_size = 0;
-        parameters->numresolution = 6;
+        parameters->numresolution = OPJ_COMP_PARAM_DEFAULT_NUMRESOLUTION;
         parameters->cp_rsiz = OPJ_STD_RSIZ; /* DEPRECATED */
-        parameters->cblockw_init = 64;
-        parameters->cblockh_init = 64;
-        parameters->prog_order = OPJ_LRCP;
+        parameters->cblockw_init = OPJ_COMP_PARAM_DEFAULT_CBLOCKW;
+        parameters->cblockh_init = OPJ_COMP_PARAM_DEFAULT_CBLOCKH;
+        parameters->prog_order = OPJ_COMP_PARAM_DEFAULT_PROG_ORDER;
         parameters->roi_compno = -1;        /* no ROI */
         parameters->subsampling_dx = 1;
         parameters->subsampling_dy = 1;
@@ -1011,10 +1053,13 @@ opj_stream_t* OPJ_CALLCONV opj_stream_create_file_stream(
 
 void* OPJ_CALLCONV opj_image_data_alloc(OPJ_SIZE_T size)
 {
-    return opj_aligned_malloc(size);
+    void* ret = opj_aligned_malloc(size);
+    /* printf("opj_image_data_alloc %p\n", ret); */
+    return ret;
 }
 
 void OPJ_CALLCONV opj_image_data_free(void* ptr)
 {
+    /* printf("opj_image_data_free %p\n", ptr); */
     opj_aligned_free(ptr);
 }