mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-22 03:50:12 +00:00
4888a25bac
Adding webview2src element Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4631>
630 lines
17 KiB
C++
630 lines
17 KiB
C++
/* GStreamer
|
|
* Copyright (C) 2024 Seungha Yang <seungha@centricular.com>
|
|
*
|
|
* 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; if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
/**
|
|
* SECTION:element-webview2src
|
|
* @title: webview2src
|
|
* @short_description: WebView2 based browser source
|
|
*
|
|
* Since: 1.26
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include "gstwebview2src.h"
|
|
#include "gstwebview2object.h"
|
|
#include <gst/d3d11/gstd3d11-private.h>
|
|
#include <mutex>
|
|
#include <string>
|
|
|
|
GST_DEBUG_CATEGORY (gst_webview2_src_debug);
|
|
#define GST_CAT_DEFAULT gst_webview2_src_debug
|
|
|
|
static GstStaticPadTemplate pad_template = GST_STATIC_PAD_TEMPLATE ("src",
|
|
GST_PAD_SRC,
|
|
GST_PAD_ALWAYS,
|
|
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE_WITH_FEATURES
|
|
(GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY,
|
|
"BGRA") ", pixel-aspect-ratio = 1/1;" GST_VIDEO_CAPS_MAKE ("BGRA")
|
|
", pixel-aspect-ratio = 1/1"));
|
|
|
|
enum
|
|
{
|
|
PROP_0,
|
|
PROP_ADAPTER,
|
|
PROP_LOCATION,
|
|
PROP_PROCESSING_DEADLINE,
|
|
};
|
|
|
|
#define DEFAULT_LOCATION "about:blank"
|
|
#define DEFAULT_PROCESSING_DEADLINE (20 * GST_MSECOND)
|
|
#define DEFAULT_ADAPTER -1
|
|
|
|
/* *INDENT-OFF* */
|
|
struct GstWebView2SrcPrivate
|
|
{
|
|
GstD3D11Device *device = nullptr;
|
|
|
|
GstWebView2Object *object = nullptr;
|
|
|
|
std::mutex lock;
|
|
GstVideoInfo info;
|
|
guint64 last_frame_no;
|
|
GstClockID clock_id = nullptr;
|
|
|
|
/* properties */
|
|
gint adapter_index = DEFAULT_ADAPTER;
|
|
std::string location = DEFAULT_LOCATION;
|
|
GstClockTime processing_deadline = DEFAULT_PROCESSING_DEADLINE;
|
|
};
|
|
/* *INDENT-ON* */
|
|
|
|
struct _GstWebView2Src
|
|
{
|
|
GstBaseSrc parent;
|
|
|
|
GstWebView2SrcPrivate *priv;
|
|
};
|
|
|
|
static void gst_webview2_src_finalize (GObject * object);
|
|
static void gst_webview2_src_set_property (GObject * object,
|
|
guint prop_id, const GValue * value, GParamSpec * pspec);
|
|
static void gst_win32_video_src_get_property (GObject * object, guint prop_id,
|
|
GValue * value, GParamSpec * pspec);
|
|
|
|
static GstClock *gst_webview2_src_provide_clock (GstElement * elem);
|
|
static void gst_webview2_src_set_context (GstElement * elem,
|
|
GstContext * context);
|
|
|
|
static gboolean gst_webview2_src_start (GstBaseSrc * src);
|
|
static gboolean gst_webview2_src_stop (GstBaseSrc * src);
|
|
static gboolean gst_webview2_src_unlock (GstBaseSrc * src);
|
|
static gboolean gst_webview2_src_unlock_stop (GstBaseSrc * src);
|
|
static gboolean gst_webview2_src_query (GstBaseSrc * src, GstQuery * query);
|
|
static GstCaps *gst_webview2_src_fixate (GstBaseSrc * src, GstCaps * caps);
|
|
static gboolean gst_webview2_src_set_caps (GstBaseSrc * src, GstCaps * caps);
|
|
static gboolean gst_webview2_src_event (GstBaseSrc * src, GstEvent * event);
|
|
static GstFlowReturn gst_webview2_src_create (GstBaseSrc * src,
|
|
guint64 offset, guint size, GstBuffer ** buf);
|
|
static void gst_webview2_src_uri_handler_init (gpointer iface, gpointer data);
|
|
|
|
#define gst_webview2_src_parent_class parent_class
|
|
G_DEFINE_TYPE_WITH_CODE (GstWebView2Src, gst_webview2_src, GST_TYPE_BASE_SRC,
|
|
G_IMPLEMENT_INTERFACE (GST_TYPE_URI_HANDLER,
|
|
gst_webview2_src_uri_handler_init));
|
|
|
|
static void
|
|
gst_webview2_src_class_init (GstWebView2SrcClass * klass)
|
|
{
|
|
auto object_class = G_OBJECT_CLASS (klass);
|
|
auto element_class = GST_ELEMENT_CLASS (klass);
|
|
auto src_class = GST_BASE_SRC_CLASS (klass);
|
|
|
|
object_class->finalize = gst_webview2_src_finalize;
|
|
object_class->set_property = gst_webview2_src_set_property;
|
|
object_class->get_property = gst_win32_video_src_get_property;
|
|
|
|
g_object_class_install_property (object_class, PROP_ADAPTER,
|
|
g_param_spec_int ("adapter", "Adapter",
|
|
"DXGI Adapter index (-1 for any device)",
|
|
-1, G_MAXINT32, DEFAULT_ADAPTER,
|
|
(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_MUTABLE_READY |
|
|
G_PARAM_STATIC_STRINGS)));
|
|
|
|
g_object_class_install_property (object_class, PROP_LOCATION,
|
|
g_param_spec_string ("location", "location",
|
|
"The URL to display",
|
|
nullptr, (GParamFlags) (G_PARAM_READWRITE |
|
|
G_PARAM_STATIC_STRINGS | GST_PARAM_MUTABLE_PLAYING)));
|
|
|
|
g_object_class_install_property (object_class, PROP_PROCESSING_DEADLINE,
|
|
g_param_spec_uint64 ("processing-deadline", "Processing deadline",
|
|
"Maximum processing time for a buffer in nanoseconds", 0, G_MAXUINT64,
|
|
DEFAULT_PROCESSING_DEADLINE, (GParamFlags) (G_PARAM_READWRITE |
|
|
G_PARAM_STATIC_STRINGS | GST_PARAM_MUTABLE_PLAYING)));
|
|
|
|
gst_element_class_set_static_metadata (element_class,
|
|
"WebView2 Source", "Source/Video",
|
|
"Creates a video stream rendered by WebView2",
|
|
"Seungha Yang <seungha@centricular.com>");
|
|
|
|
gst_element_class_add_static_pad_template (element_class, &pad_template);
|
|
|
|
element_class->provide_clock =
|
|
GST_DEBUG_FUNCPTR (gst_webview2_src_provide_clock);
|
|
element_class->set_context = GST_DEBUG_FUNCPTR (gst_webview2_src_set_context);
|
|
|
|
src_class->start = GST_DEBUG_FUNCPTR (gst_webview2_src_start);
|
|
src_class->stop = GST_DEBUG_FUNCPTR (gst_webview2_src_stop);
|
|
src_class->unlock = GST_DEBUG_FUNCPTR (gst_webview2_src_unlock);
|
|
src_class->unlock_stop = GST_DEBUG_FUNCPTR (gst_webview2_src_unlock_stop);
|
|
src_class->query = GST_DEBUG_FUNCPTR (gst_webview2_src_query);
|
|
src_class->fixate = GST_DEBUG_FUNCPTR (gst_webview2_src_fixate);
|
|
src_class->set_caps = GST_DEBUG_FUNCPTR (gst_webview2_src_set_caps);
|
|
src_class->event = GST_DEBUG_FUNCPTR (gst_webview2_src_event);
|
|
src_class->create = GST_DEBUG_FUNCPTR (gst_webview2_src_create);
|
|
|
|
GST_DEBUG_CATEGORY_INIT (gst_webview2_src_debug, "webview2src",
|
|
0, "webview2src");
|
|
}
|
|
|
|
static void
|
|
gst_webview2_src_init (GstWebView2Src * self)
|
|
{
|
|
gst_base_src_set_format (GST_BASE_SRC (self), GST_FORMAT_TIME);
|
|
gst_base_src_set_live (GST_BASE_SRC (self), TRUE);
|
|
|
|
self->priv = new GstWebView2SrcPrivate ();
|
|
|
|
GST_OBJECT_FLAG_SET (self, GST_ELEMENT_FLAG_PROVIDE_CLOCK);
|
|
GST_OBJECT_FLAG_SET (self, GST_ELEMENT_FLAG_REQUIRE_CLOCK);
|
|
}
|
|
|
|
static void
|
|
gst_webview2_src_finalize (GObject * object)
|
|
{
|
|
auto self = GST_WEBVIEW2_SRC (object);
|
|
|
|
delete self->priv;
|
|
|
|
G_OBJECT_CLASS (parent_class)->finalize (object);
|
|
}
|
|
|
|
static void
|
|
gst_webview2_src_set_location (GstWebView2Src * self, const gchar * location)
|
|
{
|
|
auto priv = self->priv;
|
|
priv->location.clear ();
|
|
if (location)
|
|
priv->location = location;
|
|
else
|
|
priv->location = DEFAULT_LOCATION;
|
|
|
|
if (priv->object)
|
|
gst_webview2_object_set_location (priv->object, priv->location);
|
|
}
|
|
|
|
static void
|
|
gst_webview2_src_set_property (GObject * object, guint prop_id,
|
|
const GValue * value, GParamSpec * pspec)
|
|
{
|
|
auto self = GST_WEBVIEW2_SRC (object);
|
|
auto priv = self->priv;
|
|
std::unique_lock < std::mutex > lk (priv->lock);
|
|
|
|
switch (prop_id) {
|
|
case PROP_ADAPTER:
|
|
priv->adapter_index = g_value_get_int (value);
|
|
break;
|
|
case PROP_LOCATION:
|
|
gst_webview2_src_set_location (self, g_value_get_string (value));
|
|
break;
|
|
case PROP_PROCESSING_DEADLINE:
|
|
{
|
|
GstClockTime prev_val, new_val;
|
|
prev_val = priv->processing_deadline;
|
|
new_val = g_value_get_uint64 (value);
|
|
priv->processing_deadline = new_val;
|
|
|
|
if (prev_val != new_val) {
|
|
lk.unlock ();
|
|
GST_DEBUG_OBJECT (self, "Posting latency message");
|
|
gst_element_post_message (GST_ELEMENT_CAST (self),
|
|
gst_message_new_latency (GST_OBJECT_CAST (self)));
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_win32_video_src_get_property (GObject * object, guint prop_id,
|
|
GValue * value, GParamSpec * pspec)
|
|
{
|
|
auto self = GST_WEBVIEW2_SRC (object);
|
|
auto priv = self->priv;
|
|
std::lock_guard < std::mutex > lk (priv->lock);
|
|
|
|
switch (prop_id) {
|
|
case PROP_ADAPTER:
|
|
g_value_set_int (value, priv->adapter_index);
|
|
break;
|
|
case PROP_LOCATION:
|
|
g_value_set_string (value, priv->location.c_str ());
|
|
break;
|
|
case PROP_PROCESSING_DEADLINE:
|
|
g_value_set_uint64 (value, priv->processing_deadline);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static GstClock *
|
|
gst_webview2_src_provide_clock (GstElement * elem)
|
|
{
|
|
return gst_system_clock_obtain ();
|
|
}
|
|
|
|
static void
|
|
gst_webview2_src_set_context (GstElement * elem, GstContext * context)
|
|
{
|
|
auto self = GST_WEBVIEW2_SRC (elem);
|
|
auto priv = self->priv;
|
|
|
|
gst_d3d11_handle_set_context (elem,
|
|
context, priv->adapter_index, &priv->device);
|
|
|
|
GST_ELEMENT_CLASS (parent_class)->set_context (elem, context);
|
|
}
|
|
|
|
static gboolean
|
|
gst_webview2_src_start (GstBaseSrc * src)
|
|
{
|
|
auto self = GST_WEBVIEW2_SRC (src);
|
|
auto priv = self->priv;
|
|
|
|
GST_DEBUG_OBJECT (self, "Start");
|
|
|
|
if (!gst_d3d11_ensure_element_data (GST_ELEMENT_CAST (self),
|
|
priv->adapter_index, &priv->device)) {
|
|
GST_ERROR_OBJECT (self, "Couldn't get D3D11 context");
|
|
return FALSE;
|
|
}
|
|
|
|
std::lock_guard < std::mutex > lk (priv->lock);
|
|
priv->object = gst_webview2_object_new (priv->device);
|
|
if (!priv->object) {
|
|
GST_ERROR_OBJECT (self, "Couldn't create object");
|
|
return FALSE;
|
|
}
|
|
|
|
gst_webview2_object_set_location (priv->object, priv->location);
|
|
|
|
priv->last_frame_no = -1;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_webview2_src_stop (GstBaseSrc * src)
|
|
{
|
|
auto self = GST_WEBVIEW2_SRC (src);
|
|
auto priv = self->priv;
|
|
|
|
std::lock_guard < std::mutex > lk (priv->lock);
|
|
|
|
GST_DEBUG_OBJECT (self, "Stop");
|
|
|
|
gst_clear_object (&priv->object);
|
|
gst_clear_object (&priv->device);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_webview2_src_unlock (GstBaseSrc * src)
|
|
{
|
|
auto self = GST_WEBVIEW2_SRC (src);
|
|
auto priv = self->priv;
|
|
|
|
GST_DEBUG_OBJECT (self, "Unlock");
|
|
|
|
std::lock_guard < std::mutex > lk (priv->lock);
|
|
if (priv->object)
|
|
gst_webview2_object_set_flushing (priv->object, true);
|
|
|
|
if (priv->clock_id)
|
|
gst_clock_id_unschedule (priv->clock_id);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_webview2_src_unlock_stop (GstBaseSrc * src)
|
|
{
|
|
auto self = GST_WEBVIEW2_SRC (src);
|
|
auto priv = self->priv;
|
|
|
|
GST_DEBUG_OBJECT (self, "Unlock stop");
|
|
|
|
std::lock_guard < std::mutex > lk (priv->lock);
|
|
if (priv->object)
|
|
gst_webview2_object_set_flushing (priv->object, false);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_webview2_src_query (GstBaseSrc * src, GstQuery * query)
|
|
{
|
|
auto self = GST_WEBVIEW2_SRC (src);
|
|
auto priv = self->priv;
|
|
|
|
switch (GST_QUERY_TYPE (query)) {
|
|
case GST_QUERY_LATENCY:
|
|
{
|
|
std::lock_guard < std::mutex > lk (priv->lock);
|
|
if (GST_CLOCK_TIME_IS_VALID (priv->processing_deadline)) {
|
|
gst_query_set_latency (query, TRUE, priv->processing_deadline,
|
|
GST_CLOCK_TIME_NONE);
|
|
} else {
|
|
gst_query_set_latency (query, TRUE, 0, 0);
|
|
}
|
|
return TRUE;
|
|
}
|
|
case GST_QUERY_CONTEXT:
|
|
if (gst_d3d11_handle_context_query (GST_ELEMENT (self), query,
|
|
priv->device)) {
|
|
return TRUE;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return GST_BASE_SRC_CLASS (parent_class)->query (src, query);
|
|
}
|
|
|
|
static GstCaps *
|
|
gst_webview2_src_fixate (GstBaseSrc * src, GstCaps * caps)
|
|
{
|
|
caps = gst_caps_make_writable (caps);
|
|
auto s = gst_caps_get_structure (caps, 0);
|
|
|
|
gst_structure_fixate_field_nearest_int (s, "width", 1920);
|
|
gst_structure_fixate_field_nearest_int (s, "height", 1080);
|
|
gst_structure_fixate_field_nearest_fraction (s, "framerate", 30, 1);
|
|
|
|
return GST_BASE_SRC_CLASS (parent_class)->fixate (src, caps);
|
|
}
|
|
|
|
static gboolean
|
|
gst_webview2_src_set_caps (GstBaseSrc * src, GstCaps * caps)
|
|
{
|
|
auto self = GST_WEBVIEW2_SRC (src);
|
|
auto priv = self->priv;
|
|
std::lock_guard < std::mutex > lk (priv->lock);
|
|
|
|
if (!gst_video_info_from_caps (&priv->info, caps)) {
|
|
GST_ERROR_OBJECT (self, "Invalid caps %" GST_PTR_FORMAT, caps);
|
|
return FALSE;
|
|
}
|
|
|
|
if (priv->object)
|
|
gst_webview2_object_set_caps (priv->object, caps);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_webview2_src_event (GstBaseSrc * src, GstEvent * event)
|
|
{
|
|
auto self = GST_WEBVIEW2_SRC (src);
|
|
auto priv = self->priv;
|
|
std::unique_lock < std::mutex > lk (priv->lock);
|
|
|
|
if (priv->object || GST_EVENT_TYPE (event) == GST_EVENT_NAVIGATION) {
|
|
gst_webview2_object_send_event (priv->object, event);
|
|
return TRUE;
|
|
}
|
|
lk.unlock ();
|
|
|
|
return GST_BASE_SRC_CLASS (parent_class)->event (src, event);
|
|
}
|
|
|
|
static bool
|
|
gst_webview2_clock_is_system (GstClock * clock)
|
|
{
|
|
GstClockType clock_type = GST_CLOCK_TYPE_MONOTONIC;
|
|
GstClock *mclock;
|
|
|
|
if (G_OBJECT_TYPE (clock) != GST_TYPE_SYSTEM_CLOCK)
|
|
return false;
|
|
|
|
g_object_get (clock, "clock-type", &clock_type, nullptr);
|
|
if (clock_type != GST_CLOCK_TYPE_MONOTONIC)
|
|
return false;
|
|
|
|
mclock = gst_clock_get_master (clock);
|
|
if (!mclock)
|
|
return true;
|
|
|
|
gst_object_unref (mclock);
|
|
return false;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_webview2_src_create (GstBaseSrc * src, guint64 offset, guint size,
|
|
GstBuffer ** buf)
|
|
{
|
|
auto self = GST_WEBVIEW2_SRC (src);
|
|
auto priv = self->priv;
|
|
GstFlowReturn ret;
|
|
GstClock *clock;
|
|
bool is_system_clock;
|
|
GstClockTime pts;
|
|
GstClockTime base_time;
|
|
GstClockTime now_system;
|
|
GstClockTime now_gst;
|
|
GstClockTime capture_pts;
|
|
GstClockTime next_capture_ts;
|
|
guint64 next_frame_no = 0;
|
|
GstBuffer *buffer;
|
|
gint fps_n, fps_d;
|
|
GstClockTime dur = GST_CLOCK_TIME_NONE;
|
|
|
|
clock = gst_element_get_clock (GST_ELEMENT_CAST (self));
|
|
now_gst = gst_clock_get_time (clock);
|
|
base_time = GST_ELEMENT_CAST (self)->base_time;
|
|
next_capture_ts = now_gst - base_time;
|
|
is_system_clock = gst_webview2_clock_is_system (clock);
|
|
|
|
fps_n = priv->info.fps_n;
|
|
fps_d = priv->info.fps_d;
|
|
|
|
if (fps_n > 0 && fps_d > 0) {
|
|
next_frame_no = gst_util_uint64_scale (next_capture_ts,
|
|
fps_n, GST_SECOND * fps_d);
|
|
|
|
if (next_frame_no == priv->last_frame_no) {
|
|
GstClockID id;
|
|
GstClockReturn clock_ret;
|
|
std::unique_lock < std::mutex > lk (priv->lock);
|
|
|
|
next_frame_no++;
|
|
|
|
next_capture_ts = gst_util_uint64_scale (next_frame_no,
|
|
fps_d * GST_SECOND, fps_n);
|
|
|
|
id = gst_clock_new_single_shot_id (GST_ELEMENT_CLOCK (self),
|
|
next_capture_ts + base_time);
|
|
priv->clock_id = id;
|
|
lk.unlock ();
|
|
|
|
clock_ret = gst_clock_id_wait (id, nullptr);
|
|
|
|
lk.lock ();
|
|
|
|
gst_clock_id_unref (id);
|
|
priv->clock_id = nullptr;
|
|
|
|
if (clock_ret == GST_CLOCK_UNSCHEDULED) {
|
|
gst_object_unref (clock);
|
|
return GST_FLOW_FLUSHING;
|
|
}
|
|
|
|
dur = gst_util_uint64_scale_int (GST_SECOND, fps_d, fps_n);
|
|
} else {
|
|
GstClockTime next_frame_ts = gst_util_uint64_scale (next_frame_no + 1,
|
|
fps_d * GST_SECOND, fps_n);
|
|
dur = next_frame_ts - next_capture_ts;
|
|
}
|
|
}
|
|
|
|
priv->last_frame_no = next_frame_no;
|
|
|
|
ret = gst_webview2_object_get_buffer (priv->object, &buffer);
|
|
if (ret != GST_FLOW_OK) {
|
|
gst_object_unref (clock);
|
|
return ret;
|
|
}
|
|
|
|
capture_pts = GST_BUFFER_PTS (buffer);
|
|
now_system = gst_util_get_timestamp ();
|
|
now_gst = gst_clock_get_time (clock);
|
|
gst_object_unref (clock);
|
|
|
|
if (!is_system_clock) {
|
|
GstClockTimeDiff now_pts = now_gst - base_time + capture_pts - now_system;
|
|
|
|
if (now_pts >= 0)
|
|
pts = now_pts;
|
|
else
|
|
pts = 0;
|
|
} else {
|
|
if (capture_pts >= base_time) {
|
|
pts = capture_pts - base_time;
|
|
} else {
|
|
GST_WARNING_OBJECT (self,
|
|
"Captured time is smaller than our base time, remote %"
|
|
GST_TIME_FORMAT ", base_time %" GST_TIME_FORMAT,
|
|
GST_TIME_ARGS (capture_pts), GST_TIME_ARGS (base_time));
|
|
pts = 0;
|
|
}
|
|
}
|
|
|
|
GST_BUFFER_PTS (buffer) = pts;
|
|
GST_BUFFER_DURATION (buffer) = dur;
|
|
*buf = buffer;
|
|
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
static GstURIType
|
|
gst_webview2_src_uri_get_type (GType type)
|
|
{
|
|
return GST_URI_SRC;
|
|
}
|
|
|
|
static const gchar *const *
|
|
gst_webview2_src_get_protocols (GType type)
|
|
{
|
|
static const gchar *protocols[] = { "web+http", "web+https", nullptr };
|
|
|
|
return protocols;
|
|
}
|
|
|
|
static gchar *
|
|
gst_webview2_src_get_uri (GstURIHandler * handler)
|
|
{
|
|
auto self = GST_WEBVIEW2_SRC (handler);
|
|
auto priv = self->priv;
|
|
std::lock_guard < std::mutex > lk (priv->lock);
|
|
|
|
if (priv->location.empty ())
|
|
return nullptr;
|
|
|
|
return g_strdup (priv->location.c_str ());
|
|
}
|
|
|
|
static gboolean
|
|
gst_webview2_src_set_uri (GstURIHandler * handler, const gchar * uri_str,
|
|
GError ** err)
|
|
{
|
|
auto self = GST_WEBVIEW2_SRC (handler);
|
|
auto priv = self->priv;
|
|
|
|
auto protocol = gst_uri_get_protocol (uri_str);
|
|
if (!g_str_has_prefix (protocol, "web+")) {
|
|
g_free (protocol);
|
|
return FALSE;
|
|
}
|
|
|
|
auto uri = gst_uri_from_string (uri_str);
|
|
gst_uri_set_scheme (uri, protocol + 4);
|
|
|
|
auto location = gst_uri_to_string (uri);
|
|
|
|
std::lock_guard < std::mutex > lk (priv->lock);
|
|
gst_webview2_src_set_location (self, location);
|
|
|
|
gst_uri_unref (uri);
|
|
g_free (protocol);
|
|
g_free (location);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
gst_webview2_src_uri_handler_init (gpointer iface, gpointer data)
|
|
{
|
|
auto handler = (GstURIHandlerInterface *) iface;
|
|
|
|
handler->get_type = gst_webview2_src_uri_get_type;
|
|
handler->get_protocols = gst_webview2_src_get_protocols;
|
|
handler->get_uri = gst_webview2_src_get_uri;
|
|
handler->set_uri = gst_webview2_src_set_uri;
|
|
}
|