-
Notifications
You must be signed in to change notification settings - Fork 137
/
dart_vlc_plugin.cc
132 lines (116 loc) · 5.18 KB
/
dart_vlc_plugin.cc
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
// This file is a part of dart_vlc (https://github.com/alexmercerind/dart_vlc)
//
// Copyright (C) 2021-2022 Hitesh Kumar Saini <[email protected]>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 3 of the License, or (at your option) any later version.
//
// This program 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program; if not, write to the Free Software Foundation,
// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#include "include/dart_vlc/dart_vlc_plugin.h"
#include <unordered_map>
#include "core.h"
#include "include/dart_vlc/video_outlet.h"
#include "include/dart_vlc/win32_window.h"
namespace {
class DartVlcPlugin : public flutter::Plugin {
public:
static void RegisterWithRegistrar(flutter::PluginRegistrarWindows* registrar);
flutter::MethodChannel<flutter::EncodableValue>* channel() const {
return channel_.get();
}
DartVlcPlugin(
std::unique_ptr<flutter::MethodChannel<flutter::EncodableValue>> channel,
flutter::TextureRegistrar* texture_registrar);
virtual ~DartVlcPlugin();
private:
void HandleMethodCall(
const flutter::MethodCall<flutter::EncodableValue>& method_call,
std::unique_ptr<flutter::MethodResult<flutter::EncodableValue>> result);
flutter::TextureRegistrar* texture_registrar_;
std::unique_ptr<flutter::MethodChannel<flutter::EncodableValue>> channel_;
std::unordered_map<int, std::unique_ptr<VideoOutlet>> outlets_;
};
void DartVlcPlugin::RegisterWithRegistrar(
flutter::PluginRegistrarWindows* registrar) {
auto plugin = std::make_unique<DartVlcPlugin>(
std::make_unique<flutter::MethodChannel<flutter::EncodableValue>>(
registrar->messenger(), "dart_vlc",
&flutter::StandardMethodCodec::GetInstance()),
registrar->texture_registrar());
plugin->channel()->SetMethodCallHandler(
[plugin_pointer = plugin.get()](const auto& call, auto result) {
plugin_pointer->HandleMethodCall(call, std::move(result));
});
registrar->AddPlugin(std::move(plugin));
}
DartVlcPlugin::DartVlcPlugin(
std::unique_ptr<flutter::MethodChannel<flutter::EncodableValue>> channel,
flutter::TextureRegistrar* texture_registrar)
: channel_(std::move(channel)), texture_registrar_(texture_registrar) {}
DartVlcPlugin::~DartVlcPlugin() {
for (const auto& [player_id, outlet] : outlets_) {
auto player = g_players->Get(player_id);
player->SetVideoFrameCallback(nullptr);
g_players->Dispose(player_id);
}
}
void DartVlcPlugin::HandleMethodCall(
const flutter::MethodCall<flutter::EncodableValue>& method_call,
std::unique_ptr<flutter::MethodResult<flutter::EncodableValue>> result) {
if (method_call.method_name() == "PlayerRegisterTexture") {
flutter::EncodableMap arguments =
std::get<flutter::EncodableMap>(*method_call.arguments());
int32_t player_id =
std::get<int>(arguments[flutter::EncodableValue("playerId")]);
auto [it, added] = outlets_.try_emplace(player_id, nullptr);
if (added) {
it->second = std::make_unique<VideoOutlet>(texture_registrar_);
auto player = g_players->Get(player_id);
player->SetVideoFrameCallback(
[outlet_ptr = it->second.get()](uint8_t* frame, int32_t width,
int32_t height) -> void {
outlet_ptr->MarkVideoFrameAvailable(frame, width, height);
});
}
return result->Success(flutter::EncodableValue(it->second->texture_id()));
} else if (method_call.method_name() == "PlayerUnregisterTexture") {
flutter::EncodableMap arguments =
std::get<flutter::EncodableMap>(*method_call.arguments());
auto player_id =
std::get<int>(arguments[flutter::EncodableValue("playerId")]);
if (outlets_.find(player_id) == outlets_.end()) {
return result->Error("-2", "Texture was not found.");
}
auto player = g_players->Get(player_id);
player->SetVideoFrameCallback(nullptr);
outlets_.erase(player_id);
result->Success(flutter::EncodableValue(nullptr));
} else if (method_call.method_name() == "PlayerCreateHWND") {
flutter::EncodableMap arguments =
std::get<flutter::EncodableMap>(*method_call.arguments());
auto player_id =
std::get<int>(arguments[flutter::EncodableValue("playerId")]);
auto player = g_players->Get(player_id);
auto window = CreateWin32Window();
player->SetHWND(reinterpret_cast<int64_t>(window));
result->Success(flutter::EncodableValue(reinterpret_cast<int64_t>(window)));
} else {
result->NotImplemented();
}
}
} // namespace
void DartVlcPluginRegisterWithRegistrar(
FlutterDesktopPluginRegistrarRef registrar) {
DartVlcPlugin::RegisterWithRegistrar(
flutter::PluginRegistrarManager::GetInstance()
->GetRegistrar<flutter::PluginRegistrarWindows>(registrar));
}