blob: fcaa6c49213e7af6395c133198dd6bef0d921d93 [file] [log] [blame]
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
#include "config.h"
#include "display.h"
#include "layer.h"
#include "log.h"
#include "video.h"
#include <guacamole/client.h>
#include <guacamole/timestamp.h>
#include <assert.h>
#include <stdlib.h>
int guacenc_display_sync(guacenc_display* display, guac_timestamp timestamp) {
/* Verify timestamp is not decreasing */
if (timestamp < display->last_sync) {
guacenc_log(GUAC_LOG_WARNING, "Decreasing sync timestamp");
return 1;
/* Update timestamp of display */
display->last_sync = timestamp;
/* Flatten display to default layer */
if (guacenc_display_flatten(display))
return 1;
/* Retrieve default layer (guaranteed to not be NULL) */
guacenc_layer* def_layer = guacenc_display_get_layer(display, 0);
assert(def_layer != NULL);
/* Update video timeline */
if (guacenc_video_advance_timeline(display->output, timestamp))
return 1;
/* Prepare frame for write upon next flush */
guacenc_video_prepare_frame(display->output, def_layer->frame);
return 0;