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/*
* Copyright (C) 2012, 2015, 2016 Igalia S.L
* Copyright (C) 2015, 2016 Metrological Group B.V.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#pragma once
#include "Logging.h"
#include <gst/gst.h>
#include <gst/video/video-format.h>
#include <gst/video/video-info.h>
namespace WebCore {
class IntSize;
inline bool webkitGstCheckVersion(guint major, guint minor, guint micro)
{
guint currentMajor, currentMinor, currentMicro, currentNano;
gst_version(¤tMajor, ¤tMinor, ¤tMicro, ¤tNano);
if (currentMajor < major)
return false;
if (currentMajor > major)
return true;
if (currentMinor < minor)
return false;
if (currentMinor > minor)
return true;
if (currentMicro < micro)
return false;
return true;
}
GstPad* webkitGstGhostPadFromStaticTemplate(GstStaticPadTemplate*, const gchar* name, GstPad* target);
#if ENABLE(VIDEO)
bool getVideoSizeAndFormatFromCaps(GstCaps*, WebCore::IntSize&, GstVideoFormat&, int& pixelAspectRatioNumerator, int& pixelAspectRatioDenominator, int& stride);
bool getSampleVideoInfo(GstSample*, GstVideoInfo&);
#endif
GstBuffer* createGstBuffer(GstBuffer*);
GstBuffer* createGstBufferForData(const char* data, int length);
char* getGstBufferDataPointer(GstBuffer*);
void mapGstBuffer(GstBuffer*, uint32_t);
void unmapGstBuffer(GstBuffer*);
bool initializeGStreamer();
unsigned getGstPlayFlag(const char* nick);
GstClockTime toGstClockTime(float time);
bool gstRegistryHasElementForMediaType(GList* elementFactories, const char* capsString);
#if GST_CHECK_VERSION(1, 5, 3) && (ENABLE(LEGACY_ENCRYPTED_MEDIA) || ENABLE(ENCRYPTED_MEDIA))
GstElement* createGstDecryptor(const gchar* protectionSystem);
#endif
}
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