64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
/*
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* Copyright (C) 2016 Glyptodon, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "config.h"
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#include "display.h"
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#include "layer.h"
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#include "log.h"
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#include "video.h"
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#include <guacamole/client.h>
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#include <guacamole/timestamp.h>
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#include <assert.h>
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#include <stdlib.h>
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int guacenc_display_sync(guacenc_display* display, guac_timestamp timestamp) {
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/* Verify timestamp is not decreasing */
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if (timestamp < display->last_sync) {
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guacenc_log(GUAC_LOG_WARNING, "Decreasing sync timestamp");
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return 1;
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}
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/* Update timestamp of display */
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display->last_sync = timestamp;
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/* Flatten display to default layer */
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if (guacenc_display_flatten(display))
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return 1;
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/* Retrieve default layer (guaranteed to not be NULL) */
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guacenc_layer* def_layer = guacenc_display_get_layer(display, 0);
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assert(def_layer != NULL);
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/* Update video timeline */
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if (guacenc_video_advance_timeline(display->output, timestamp))
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return 1;
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/* Prepare frame for write upon next flush */
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guacenc_video_prepare_frame(display->output, def_layer->frame);
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return 0;
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}
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