Merge pull request #1010 from rouault/subtile_decoding_stage3

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

diff --git a/src/lib/openjp2/openjpeg.h b/src/lib/openjp2/openjpeg.h
index 7020d37d28e483ab565b4753cdf9575bc2b43163..79e0bb4fc7ebc492d99a4f8db08e60258be449a4 100644 (file)
--- a/src/lib/openjp2/openjpeg.h
+++ b/src/lib/openjp2/openjpeg.h
@@ -381,9 +381,12 @@ typedef struct opj_cparameters {
     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;