J2K: fix decoding of greyscale images

strukturag · Jul 23, 2023 · ab8017d · ab8017d
1 parent d36f063
commit ab8017d
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/libheif/plugins/decoder_openjpeg.cc b/libheif/plugins/decoder_openjpeg.cc
@@ -280,9 +280,9 @@ struct heif_error openjpeg_decode_image(void* decoder_raw, struct heif_image** o
  struct heif_error err = {heif_error_Decoder_plugin_error, heif_suberror_Unspecified, "opj_read_header()"};
  return err;
  }
- else if (image->numcomps != 3) {
+ else if (image->numcomps != 3 && image->numcomps != 1) {
  //TODO - Handle other numbers of components
- struct heif_error err = {heif_error_Unsupported_feature, heif_suberror_Unsupported_data_version, "Number of components must be 3"};
+ struct heif_error err = {heif_error_Unsupported_feature, heif_suberror_Unsupported_data_version, "Number of components must be 3 or 1"};
  return err;
  }
  else if ((image->color_space != OPJ_CLRSPC_UNSPECIFIED) && (image->color_space != OPJ_CLRSPC_SRGB)) {