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/*
* Copyright (C) 2012 Igalia, S.L.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "GStreamerVersioning.h"
#include "IntSize.h"
#include <wtf/UnusedParam.h>
void webkitGstObjectRefSink(GstObject* gstObject)
{
#ifdef GST_API_VERSION_1
gst_object_ref_sink(gstObject);
#else
gst_object_ref(gstObject);
gst_object_sink(gstObject);
#endif
}
GstPad* webkitGstGhostPadFromStaticTemplate(GstStaticPadTemplate* staticPadTemplate, const gchar* name, GstPad* target)
{
GstPad* pad;
GstPadTemplate* padTemplate = gst_static_pad_template_get(staticPadTemplate);
if (target)
pad = gst_ghost_pad_new_from_template(name, target, padTemplate);
else
pad = gst_ghost_pad_new_no_target_from_template(name, padTemplate);
#ifdef GST_API_VERSION_1
gst_object_unref(padTemplate);
#endif
return pad;
}
GRefPtr<GstCaps> webkitGstGetPadCaps(GstPad* pad)
{
if (!pad)
return 0;
#ifdef GST_API_VERSION_1
return adoptGRef(gst_pad_get_current_caps(pad)); // gst_pad_get_current_caps return a new reference.
#else
return GST_PAD_CAPS(pad);
#endif
}
bool getVideoSizeAndFormatFromCaps(GstCaps* caps, WebCore::IntSize& size, GstVideoFormat& format, int& pixelAspectRatioNumerator, int& pixelAspectRatioDenominator, int& stride)
{
#ifdef GST_API_VERSION_1
GstVideoInfo info;
if (!gst_video_info_from_caps(&info, caps))
return false;
format = GST_VIDEO_INFO_FORMAT(&info);
size.setWidth(GST_VIDEO_INFO_WIDTH(&info));
size.setHeight(GST_VIDEO_INFO_HEIGHT(&info));
pixelAspectRatioNumerator = GST_VIDEO_INFO_PAR_N(&info);
pixelAspectRatioDenominator = GST_VIDEO_INFO_PAR_D(&info);
stride = GST_VIDEO_INFO_PLANE_STRIDE(&info, 0);
#else
gint width, height;
if (!GST_IS_CAPS(caps) || !gst_caps_is_fixed(caps)
|| !gst_video_format_parse_caps(caps, &format, &width, &height)
|| !gst_video_parse_caps_pixel_aspect_ratio(caps, &pixelAspectRatioNumerator,
&pixelAspectRatioDenominator))
return false;
size.setWidth(width);
size.setHeight(height);
stride = size.width() * 4;
#endif
return true;
}
GstBuffer* createGstBuffer(GstBuffer* buffer)
{
#ifndef GST_API_VERSION_1
GstBuffer* newBuffer = gst_buffer_try_new_and_alloc(GST_BUFFER_SIZE(buffer));
#else
gsize bufferSize = gst_buffer_get_size(buffer);
GstBuffer* newBuffer = gst_buffer_new_and_alloc(bufferSize);
#endif
if (!newBuffer)
return 0;
#ifndef GST_API_VERSION_1
gst_buffer_copy_metadata(newBuffer, buffer, static_cast<GstBufferCopyFlags>(GST_BUFFER_COPY_ALL));
#else
gst_buffer_copy_into(newBuffer, buffer, static_cast<GstBufferCopyFlags>(GST_BUFFER_COPY_METADATA), 0, bufferSize);
#endif
return newBuffer;
}
void setGstElementClassMetadata(GstElementClass* elementClass, const char* name, const char* longName, const char* description, const char* author)
{
#ifdef GST_API_VERSION_1
gst_element_class_set_metadata(elementClass, name, longName, description, author);
#else
gst_element_class_set_details_simple(elementClass, name, longName, description, author);
#endif
}
bool gstObjectIsFloating(GstObject* gstObject)
{
#ifdef GST_API_VERSION_1
return g_object_is_floating(G_OBJECT(gstObject));
#else
return GST_OBJECT_IS_FLOATING(gstObject);
#endif
}
void notifyGstTagsOnPad(GstElement* element, GstPad* pad, GstTagList* tags)
{
#ifdef GST_API_VERSION_1
UNUSED_PARAM(element);
gst_pad_push_event(GST_PAD_CAST(pad), gst_event_new_tag(tags));
#else
gst_element_found_tags_for_pad(element, pad, tags);
#endif
}
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