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			85 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			85 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
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								/* Pinos
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								 * Copyright (C) 2015 Wim Taymans <wim.taymans@gmail.com>
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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., 51 Franklin St, Fifth Floor,
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								 * Boston, MA 02110-1301, USA.
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								 */
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								#include <string.h>
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								#include <gst/gst.h>
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								#include <gio/gio.h>
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								#include "pinos/server/utils.h"
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								GBytes *
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								pinos_format_filter (GBytes *format,
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								                     GBytes *filter,
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								                     GError **error)
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								{
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								  GstCaps *tmp, *caps, *cfilter;
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								  gchar *str;
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								  GBytes *res;
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								  if (filter) {
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								    cfilter = gst_caps_from_string (g_bytes_get_data (filter, NULL));
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								    if (cfilter == NULL)
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								      goto invalid_filter;
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								  } else {
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								    cfilter = NULL;
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								  }
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								  if (format)
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								    caps = gst_caps_from_string (g_bytes_get_data (format, NULL));
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								  else
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								    caps = gst_caps_new_any ();
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								  if (caps && cfilter) {
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								    tmp = gst_caps_intersect_full (caps, cfilter, GST_CAPS_INTERSECT_FIRST);
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								    gst_caps_take (&caps, tmp);
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								  }
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								  g_clear_pointer (&cfilter, gst_caps_unref);
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								  if (caps == NULL || gst_caps_is_empty (caps))
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								    goto no_format;
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								  str = gst_caps_to_string (caps);
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								  gst_caps_unref (caps);
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								  res = g_bytes_new_take (str, strlen (str) + 1);
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								  return res;
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								invalid_filter:
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								  {
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								    g_set_error (error,
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								                 G_IO_ERROR,
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								                 G_IO_ERROR_INVALID_ARGUMENT,
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								                 "Invalid filter received");
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								    return NULL;
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								  }
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								no_format:
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								  {
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								    g_set_error (error,
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								                 G_IO_ERROR,
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								                 G_IO_ERROR_NOT_FOUND,
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								                 "No compatible format found");
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								    if (cfilter)
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								      gst_caps_unref (cfilter);
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								    if (caps)
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								      gst_caps_unref (caps);
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								    return NULL;
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								  }
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								}
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