@@ -89,6 +89,7 @@ static int libopenjpeg_decode_frame(AVCodecContext *avctx,

     }

     opj_set_event_mgr((opj_common_ptr)dec, NULL, NULL);

+    ctx->dec_params.cp_reduce = avctx->lowres;

     // Tie decoder with decoding parameters

     opj_setup_decoder(dec, &ctx->dec_params);

     stream = opj_cio_open((opj_common_ptr)dec, buf, buf_size);

@@ -106,8 +107,8 @@ static int libopenjpeg_decode_frame(AVCodecContext *avctx,

         opj_destroy_decompress(dec);

         return -1;

     }

-    width  = image->comps[0].w;

-    height = image->comps[0].h;

+    width  = image->comps[0].w << avctx->lowres;

+    height = image->comps[0].h << avctx->lowres;

     if(avcodec_check_dimensions(avctx, width, height) < 0) {

         av_log(avctx, AV_LOG_ERROR, "%dx%d dimension invalid.\n", width, height);

         goto done;