GStreamerUtilities.h [plain text]
#pragma once
#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(ENCRYPTED_MEDIA)
GstElement* createGstDecryptor(const gchar* protectionSystem);
#endif
}