The Tor Browser: content/media/gstreamer/GStreamerMozVideoBuffer.cpp@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* vim:set ts=2 sw=2 sts=2 et cindent: */

     3 /* This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,

     5  * You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 #include <string.h>

     8 #include "GStreamerReader.h"

     9 #include "GStreamerMozVideoBuffer.h"

    10 #include "ImageContainer.h"

    12 namespace mozilla {

    14 static GstMozVideoBuffer *gst_moz_video_buffer_copy(GstMozVideoBuffer* self);

    15 static void gst_moz_video_buffer_finalize(GstMozVideoBuffer* self);

    17 // working around GTK+ bug https://bugzilla.gnome.org/show_bug.cgi?id=723899

    18 #pragma GCC diagnostic push

    19 #pragma GCC diagnostic ignored "-Wunused-function"

    20 G_DEFINE_TYPE(GstMozVideoBuffer, gst_moz_video_buffer, GST_TYPE_BUFFER);

    21 #pragma GCC diagnostic pop

    23 static void

    24 gst_moz_video_buffer_class_init(GstMozVideoBufferClass* klass)

    25 {

    26   g_return_if_fail(GST_IS_MOZ_VIDEO_BUFFER_CLASS(klass));

    28   GstMiniObjectClass *mo_class = GST_MINI_OBJECT_CLASS(klass);

    30   mo_class->copy =(GstMiniObjectCopyFunction)gst_moz_video_buffer_copy;

    31   mo_class->finalize =(GstMiniObjectFinalizeFunction)gst_moz_video_buffer_finalize;

    32 }

    34 static void

    35 gst_moz_video_buffer_init(GstMozVideoBuffer* self)

    36 {

    37   g_return_if_fail(GST_IS_MOZ_VIDEO_BUFFER(self));

    38 }

    40 static void

    41 gst_moz_video_buffer_finalize(GstMozVideoBuffer* self)

    42 {

    43   g_return_if_fail(GST_IS_MOZ_VIDEO_BUFFER(self));

    45   if(self->data)

    46     g_boxed_free(GST_TYPE_MOZ_VIDEO_BUFFER_DATA, self->data);

    48   GST_MINI_OBJECT_CLASS(gst_moz_video_buffer_parent_class)->finalize(GST_MINI_OBJECT(self));

    49 }

    51 static GstMozVideoBuffer*

    52 gst_moz_video_buffer_copy(GstMozVideoBuffer* self)

    53 {

    54   GstMozVideoBuffer* copy;

    56   g_return_val_if_fail(GST_IS_MOZ_VIDEO_BUFFER(self), nullptr);

    58   copy = gst_moz_video_buffer_new();

    60   /* we simply copy everything from our parent */

    61   GST_BUFFER_DATA(GST_BUFFER_CAST(copy)) =

    62       (guint8*)g_memdup(GST_BUFFER_DATA(GST_BUFFER_CAST(self)), GST_BUFFER_SIZE(GST_BUFFER_CAST(self)));

    64   /* make sure it gets freed(even if the parent is subclassed, we return a

    65      normal buffer) */

    66   GST_BUFFER_MALLOCDATA(GST_BUFFER_CAST(copy)) = GST_BUFFER_DATA(GST_BUFFER_CAST(copy));

    67   GST_BUFFER_SIZE(GST_BUFFER_CAST(copy)) = GST_BUFFER_SIZE(GST_BUFFER_CAST(self));

    69   /* copy metadata */

    70   gst_buffer_copy_metadata(GST_BUFFER_CAST(copy),

    71                            GST_BUFFER_CAST(self),

    72                            (GstBufferCopyFlags)GST_BUFFER_COPY_ALL);

    73   /* copy videobuffer */

    74   if(self->data)

    75     copy->data = (GstMozVideoBufferData*)g_boxed_copy(GST_TYPE_MOZ_VIDEO_BUFFER_DATA, self->data);

    77   return copy;

    78 }

    80 GstMozVideoBuffer*

    81 gst_moz_video_buffer_new(void)

    82 {

    83   GstMozVideoBuffer *self;

    85   self =(GstMozVideoBuffer*)gst_mini_object_new(GST_TYPE_MOZ_VIDEO_BUFFER);

    86   self->data = nullptr;

    88   return self;

    89 }

    91 void

    92 gst_moz_video_buffer_set_data(GstMozVideoBuffer* self, GstMozVideoBufferData* data)

    93 {

    94   g_return_if_fail(GST_IS_MOZ_VIDEO_BUFFER(self));

    96   self->data = data;

    97 }

    99 GstMozVideoBufferData*

   100 gst_moz_video_buffer_get_data(const GstMozVideoBuffer* self)

   101 {

   102   g_return_val_if_fail(GST_IS_MOZ_VIDEO_BUFFER(self), nullptr);

   104   return self->data;

   105 }

   107 GType

   108 gst_moz_video_buffer_data_get_type(void)

   109 {

   110   static volatile gsize g_define_type_id__volatile = 0;

   112   if(g_once_init_enter(&g_define_type_id__volatile)) {

   113     GType g_define_type_id =

   114         g_boxed_type_register_static(g_intern_static_string("GstMozVideoBufferData"),

   115                                      (GBoxedCopyFunc)GstMozVideoBufferData::Copy,

   116                                      (GBoxedFreeFunc)GstMozVideoBufferData::Free);

   117     g_once_init_leave(&g_define_type_id__volatile, g_define_type_id);

   118   }

   120   return g_define_type_id__volatile;

   121 }

   123 }

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