GStreamerUtilities.h [plain text]
#pragma once
#include <gst/gst.h>
#include <gst/video/video-format.h>
#include <gst/video/video-info.h>
#include <wtf/MediaTime.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);
uint64_t toGstUnsigned64Time(const MediaTime&);
inline GstClockTime toGstClockTime(const MediaTime &mediaTime)
{
return static_cast<GstClockTime>(toGstUnsigned64Time(mediaTime));
}
bool gstRegistryHasElementForMediaType(GList* elementFactories, const char* capsString);
}
#ifndef GST_BUFFER_DTS_OR_PTS
#define GST_BUFFER_DTS_OR_PTS(buffer) (GST_BUFFER_DTS_IS_VALID(buffer) ? GST_BUFFER_DTS(buffer) : GST_BUFFER_PTS(buffer))
#endif