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60 lines
2.1 KiB
C
60 lines
2.1 KiB
C
/* Small helper element for format conversion
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* Copyright (C) 2005 Tim-Philipp Müller <tim centricular net>
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* Copyright (C) 2010 Brandon Lewis <brandon.lewis@collabora.co.uk>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include "ges-screenshot.h"
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#include "ges-internal.h"
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/**
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* ges_play_sink_convert_frame:
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* @playsink: The olaysink to get last frame from
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* @caps: The caps defining the format the return value will have
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*
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* Get the last buffer @playsink showed
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*
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* Returns: (transfer full): A #GstBuffer containing the last frame from
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* @playsink in the format defined by the @caps
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*/
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GstBuffer *
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ges_play_sink_convert_frame (GstElement * playsink, GstCaps * caps)
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{
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GstBuffer *result;
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g_object_get (G_OBJECT (playsink), "frame", (GstMiniObject *) & result, NULL);
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GST_DEBUG ("got buffer %p from playsink", result);
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if (result != NULL && caps != NULL) {
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GstBuffer *temp;
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GError *err = NULL;
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temp = gst_video_convert_frame (result, caps, 25 * GST_SECOND, &err);
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gst_buffer_unref (result);
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if (temp == NULL && err) {
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/* I'm really uncertain whether we should make playsink post an error
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* on the bus or not. It's not like it's a critical issue regarding
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* playsink behaviour. */
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GST_ERROR ("Error converting frame: %s", err->message);
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}
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result = temp;
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}
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return result;
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}
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