1/**************************************************************************/
2/* video_stream.cpp */
3/**************************************************************************/
4/* This file is part of: */
5/* GODOT ENGINE */
6/* https://godotengine.org */
7/**************************************************************************/
8/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
9/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
10/* */
11/* Permission is hereby granted, free of charge, to any person obtaining */
12/* a copy of this software and associated documentation files (the */
13/* "Software"), to deal in the Software without restriction, including */
14/* without limitation the rights to use, copy, modify, merge, publish, */
15/* distribute, sublicense, and/or sell copies of the Software, and to */
16/* permit persons to whom the Software is furnished to do so, subject to */
17/* the following conditions: */
18/* */
19/* The above copyright notice and this permission notice shall be */
20/* included in all copies or substantial portions of the Software. */
21/* */
22/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
23/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
24/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
25/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
26/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
27/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
28/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
29/**************************************************************************/
30
31#include "video_stream.h"
32
33#include "core/config/project_settings.h"
34#include "servers/audio_server.h"
35
36// VideoStreamPlayback starts here.
37
38void VideoStreamPlayback::_bind_methods() {
39 ClassDB::bind_method(D_METHOD("mix_audio", "num_frames", "buffer", "offset"), &VideoStreamPlayback::mix_audio, DEFVAL(PackedFloat32Array()), DEFVAL(0));
40 GDVIRTUAL_BIND(_stop);
41 GDVIRTUAL_BIND(_play);
42 GDVIRTUAL_BIND(_is_playing);
43 GDVIRTUAL_BIND(_set_paused, "paused");
44 GDVIRTUAL_BIND(_is_paused);
45 GDVIRTUAL_BIND(_get_length);
46 GDVIRTUAL_BIND(_get_playback_position);
47 GDVIRTUAL_BIND(_seek, "time");
48 GDVIRTUAL_BIND(_set_audio_track, "idx");
49 GDVIRTUAL_BIND(_get_texture);
50 GDVIRTUAL_BIND(_update, "delta");
51 GDVIRTUAL_BIND(_get_channels);
52 GDVIRTUAL_BIND(_get_mix_rate);
53}
54
55VideoStreamPlayback::VideoStreamPlayback() {
56}
57
58VideoStreamPlayback::~VideoStreamPlayback() {
59}
60
61void VideoStreamPlayback::stop() {
62 GDVIRTUAL_CALL(_stop);
63}
64
65void VideoStreamPlayback::play() {
66 GDVIRTUAL_CALL(_play);
67}
68
69bool VideoStreamPlayback::is_playing() const {
70 bool ret;
71 if (GDVIRTUAL_CALL(_is_playing, ret)) {
72 return ret;
73 }
74 return false;
75}
76
77void VideoStreamPlayback::set_paused(bool p_paused) {
78 GDVIRTUAL_CALL(_set_paused, p_paused);
79}
80
81bool VideoStreamPlayback::is_paused() const {
82 bool ret;
83 if (GDVIRTUAL_CALL(_is_paused, ret)) {
84 return ret;
85 }
86 return false;
87}
88
89double VideoStreamPlayback::get_length() const {
90 double ret;
91 if (GDVIRTUAL_CALL(_get_length, ret)) {
92 return ret;
93 }
94 return 0;
95}
96
97double VideoStreamPlayback::get_playback_position() const {
98 double ret;
99 if (GDVIRTUAL_CALL(_get_playback_position, ret)) {
100 return ret;
101 }
102 return 0;
103}
104
105void VideoStreamPlayback::seek(double p_time) {
106 GDVIRTUAL_CALL(_seek, p_time);
107}
108
109void VideoStreamPlayback::set_audio_track(int p_idx) {
110 GDVIRTUAL_CALL(_set_audio_track, p_idx);
111}
112
113Ref<Texture2D> VideoStreamPlayback::get_texture() const {
114 Ref<Texture2D> ret;
115 if (GDVIRTUAL_CALL(_get_texture, ret)) {
116 return ret;
117 }
118 return nullptr;
119}
120
121void VideoStreamPlayback::update(double p_delta) {
122 if (!GDVIRTUAL_CALL(_update, p_delta)) {
123 ERR_FAIL_MSG("VideoStreamPlayback::update unimplemented");
124 }
125}
126
127void VideoStreamPlayback::set_mix_callback(AudioMixCallback p_callback, void *p_userdata) {
128 mix_callback = p_callback;
129 mix_udata = p_userdata;
130}
131
132int VideoStreamPlayback::get_channels() const {
133 int ret;
134 if (GDVIRTUAL_CALL(_get_channels, ret)) {
135 _channel_count = ret;
136 return ret;
137 }
138 return 0;
139}
140
141int VideoStreamPlayback::get_mix_rate() const {
142 int ret;
143 if (GDVIRTUAL_CALL(_get_mix_rate, ret)) {
144 return ret;
145 }
146 return 0;
147}
148
149int VideoStreamPlayback::mix_audio(int num_frames, PackedFloat32Array buffer, int offset) {
150 if (num_frames <= 0) {
151 return 0;
152 }
153 if (!mix_callback) {
154 return -1;
155 }
156 ERR_FAIL_INDEX_V(offset, buffer.size(), -1);
157 ERR_FAIL_INDEX_V((_channel_count < 1 ? 1 : _channel_count) * num_frames - 1, buffer.size() - offset, -1);
158 return mix_callback(mix_udata, buffer.ptr() + offset, num_frames);
159}
160
161/* --- NOTE VideoStream starts here. ----- */
162
163Ref<VideoStreamPlayback> VideoStream::instantiate_playback() {
164 Ref<VideoStreamPlayback> ret;
165 if (GDVIRTUAL_CALL(_instantiate_playback, ret)) {
166 ERR_FAIL_COND_V_MSG(ret.is_null(), nullptr, "Plugin returned null playback");
167 ret->set_audio_track(audio_track);
168 return ret;
169 }
170 return nullptr;
171}
172
173void VideoStream::set_file(const String &p_file) {
174 file = p_file;
175}
176
177String VideoStream::get_file() {
178 return file;
179}
180
181void VideoStream::_bind_methods() {
182 ClassDB::bind_method(D_METHOD("set_file", "file"), &VideoStream::set_file);
183 ClassDB::bind_method(D_METHOD("get_file"), &VideoStream::get_file);
184
185 ADD_PROPERTY(PropertyInfo(Variant::STRING, "file"), "set_file", "get_file");
186
187 GDVIRTUAL_BIND(_instantiate_playback);
188}
189
190VideoStream::VideoStream() {
191}
192
193VideoStream::~VideoStream() {
194}
195
196void VideoStream::set_audio_track(int p_track) {
197 audio_track = p_track;
198}
199