gecko-dev/content/media/gstreamer/GStreamerMozVideoBuffer.cpp

124 lines
3.7 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <string.h>
#include "GStreamerReader.h"
#include "GStreamerMozVideoBuffer.h"
#include "ImageContainer.h"
namespace mozilla {
static GstMozVideoBuffer *gst_moz_video_buffer_copy(GstMozVideoBuffer* self);
static void gst_moz_video_buffer_finalize(GstMozVideoBuffer* self);
// working around GTK+ bug https://bugzilla.gnome.org/show_bug.cgi?id=723899
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-function"
G_DEFINE_TYPE(GstMozVideoBuffer, gst_moz_video_buffer, GST_TYPE_BUFFER);
#pragma GCC diagnostic pop
static void
gst_moz_video_buffer_class_init(GstMozVideoBufferClass* klass)
{
g_return_if_fail(GST_IS_MOZ_VIDEO_BUFFER_CLASS(klass));
GstMiniObjectClass *mo_class = GST_MINI_OBJECT_CLASS(klass);
mo_class->copy =(GstMiniObjectCopyFunction)gst_moz_video_buffer_copy;
mo_class->finalize =(GstMiniObjectFinalizeFunction)gst_moz_video_buffer_finalize;
}
static void
gst_moz_video_buffer_init(GstMozVideoBuffer* self)
{
g_return_if_fail(GST_IS_MOZ_VIDEO_BUFFER(self));
}
static void
gst_moz_video_buffer_finalize(GstMozVideoBuffer* self)
{
g_return_if_fail(GST_IS_MOZ_VIDEO_BUFFER(self));
if(self->data)
g_boxed_free(GST_TYPE_MOZ_VIDEO_BUFFER_DATA, self->data);
GST_MINI_OBJECT_CLASS(gst_moz_video_buffer_parent_class)->finalize(GST_MINI_OBJECT(self));
}
static GstMozVideoBuffer*
gst_moz_video_buffer_copy(GstMozVideoBuffer* self)
{
GstMozVideoBuffer* copy;
g_return_val_if_fail(GST_IS_MOZ_VIDEO_BUFFER(self), nullptr);
copy = gst_moz_video_buffer_new();
/* we simply copy everything from our parent */
GST_BUFFER_DATA(GST_BUFFER_CAST(copy)) =
(guint8*)g_memdup(GST_BUFFER_DATA(GST_BUFFER_CAST(self)), GST_BUFFER_SIZE(GST_BUFFER_CAST(self)));
/* make sure it gets freed(even if the parent is subclassed, we return a
normal buffer) */
GST_BUFFER_MALLOCDATA(GST_BUFFER_CAST(copy)) = GST_BUFFER_DATA(GST_BUFFER_CAST(copy));
GST_BUFFER_SIZE(GST_BUFFER_CAST(copy)) = GST_BUFFER_SIZE(GST_BUFFER_CAST(self));
/* copy metadata */
gst_buffer_copy_metadata(GST_BUFFER_CAST(copy),
GST_BUFFER_CAST(self),
(GstBufferCopyFlags)GST_BUFFER_COPY_ALL);
/* copy videobuffer */
if(self->data)
copy->data = (GstMozVideoBufferData*)g_boxed_copy(GST_TYPE_MOZ_VIDEO_BUFFER_DATA, self->data);
return copy;
}
GstMozVideoBuffer*
gst_moz_video_buffer_new(void)
{
GstMozVideoBuffer *self;
self =(GstMozVideoBuffer*)gst_mini_object_new(GST_TYPE_MOZ_VIDEO_BUFFER);
self->data = nullptr;
return self;
}
void
gst_moz_video_buffer_set_data(GstMozVideoBuffer* self, GstMozVideoBufferData* data)
{
g_return_if_fail(GST_IS_MOZ_VIDEO_BUFFER(self));
self->data = data;
}
GstMozVideoBufferData*
gst_moz_video_buffer_get_data(const GstMozVideoBuffer* self)
{
g_return_val_if_fail(GST_IS_MOZ_VIDEO_BUFFER(self), nullptr);
return self->data;
}
GType
gst_moz_video_buffer_data_get_type(void)
{
static volatile gsize g_define_type_id__volatile = 0;
if(g_once_init_enter(&g_define_type_id__volatile)) {
GType g_define_type_id =
g_boxed_type_register_static(g_intern_static_string("GstMozVideoBufferData"),
(GBoxedCopyFunc)GstMozVideoBufferData::Copy,
(GBoxedFreeFunc)GstMozVideoBufferData::Free);
g_once_init_leave(&g_define_type_id__volatile, g_define_type_id);
}
return g_define_type_id__volatile;
}
}