diff options
Diffstat (limited to 'scene/resources/video_stream.cpp')
| -rw-r--r-- | scene/resources/video_stream.cpp | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/scene/resources/video_stream.cpp b/scene/resources/video_stream.cpp new file mode 100644 index 0000000000..ee1a47c338 --- /dev/null +++ b/scene/resources/video_stream.cpp @@ -0,0 +1,198 @@ +/**************************************************************************/ +/* video_stream.cpp */ +/**************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/**************************************************************************/ +/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ +/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/**************************************************************************/ + +#include "video_stream.h" + +#include "core/config/project_settings.h" +#include "servers/audio_server.h" + +// VideoStreamPlayback starts here. + +void VideoStreamPlayback::_bind_methods() { + ClassDB::bind_method(D_METHOD("mix_audio", "num_frames", "buffer", "offset"), &VideoStreamPlayback::mix_audio, DEFVAL(PackedFloat32Array()), DEFVAL(0)); + GDVIRTUAL_BIND(_stop); + GDVIRTUAL_BIND(_play); + GDVIRTUAL_BIND(_is_playing); + GDVIRTUAL_BIND(_set_paused, "paused"); + GDVIRTUAL_BIND(_is_paused); + GDVIRTUAL_BIND(_get_length); + GDVIRTUAL_BIND(_get_playback_position); + GDVIRTUAL_BIND(_seek, "time"); + GDVIRTUAL_BIND(_set_audio_track, "idx"); + GDVIRTUAL_BIND(_get_texture); + GDVIRTUAL_BIND(_update, "delta"); + GDVIRTUAL_BIND(_get_channels); + GDVIRTUAL_BIND(_get_mix_rate); +} + +VideoStreamPlayback::VideoStreamPlayback() { +} + +VideoStreamPlayback::~VideoStreamPlayback() { +} + +void VideoStreamPlayback::stop() { + GDVIRTUAL_CALL(_stop); +} + +void VideoStreamPlayback::play() { + GDVIRTUAL_CALL(_play); +} + +bool VideoStreamPlayback::is_playing() const { + bool ret; + if (GDVIRTUAL_CALL(_is_playing, ret)) { + return ret; + } + return false; +} + +void VideoStreamPlayback::set_paused(bool p_paused) { + GDVIRTUAL_CALL(_is_playing, p_paused); +} + +bool VideoStreamPlayback::is_paused() const { + bool ret; + if (GDVIRTUAL_CALL(_is_paused, ret)) { + return ret; + } + return false; +} + +double VideoStreamPlayback::get_length() const { + double ret; + if (GDVIRTUAL_CALL(_get_length, ret)) { + return ret; + } + return 0; +} + +double VideoStreamPlayback::get_playback_position() const { + double ret; + if (GDVIRTUAL_CALL(_get_playback_position, ret)) { + return ret; + } + return 0; +} + +void VideoStreamPlayback::seek(double p_time) { + GDVIRTUAL_CALL(_seek, p_time); +} + +void VideoStreamPlayback::set_audio_track(int p_idx) { + GDVIRTUAL_CALL(_set_audio_track, p_idx); +} + +Ref<Texture2D> VideoStreamPlayback::get_texture() const { + Ref<Texture2D> ret; + if (GDVIRTUAL_CALL(_get_texture, ret)) { + return ret; + } + return nullptr; +} + +void VideoStreamPlayback::update(double p_delta) { + if (!GDVIRTUAL_CALL(_update, p_delta)) { + ERR_FAIL_MSG("VideoStreamPlayback::update unimplemented"); + } +} + +void VideoStreamPlayback::set_mix_callback(AudioMixCallback p_callback, void *p_userdata) { + mix_callback = p_callback; + mix_udata = p_userdata; +} + +int VideoStreamPlayback::get_channels() const { + int ret; + if (GDVIRTUAL_CALL(_get_channels, ret)) { + _channel_count = ret; + return ret; + } + return 0; +} + +int VideoStreamPlayback::get_mix_rate() const { + int ret; + if (GDVIRTUAL_CALL(_get_mix_rate, ret)) { + return ret; + } + return 0; +} + +int VideoStreamPlayback::mix_audio(int num_frames, PackedFloat32Array buffer, int offset) { + if (num_frames <= 0) { + return 0; + } + if (!mix_callback) { + return -1; + } + ERR_FAIL_INDEX_V(offset, buffer.size(), -1); + ERR_FAIL_INDEX_V((_channel_count < 1 ? 1 : _channel_count) * num_frames - 1, buffer.size() - offset, -1); + return mix_callback(mix_udata, buffer.ptr() + offset, num_frames); +} + +/* --- NOTE VideoStream starts here. ----- */ + +Ref<VideoStreamPlayback> VideoStream::instantiate_playback() { + Ref<VideoStreamPlayback> ret; + if (GDVIRTUAL_CALL(_instantiate_playback, ret)) { + ERR_FAIL_COND_V_MSG(ret.is_null(), nullptr, "Plugin returned null playback"); + ret->set_audio_track(audio_track); + return ret; + } + return nullptr; +} + +void VideoStream::set_file(const String &p_file) { + file = p_file; +} + +String VideoStream::get_file() { + return file; +} + +void VideoStream::_bind_methods() { + ClassDB::bind_method(D_METHOD("set_file", "file"), &VideoStream::set_file); + ClassDB::bind_method(D_METHOD("get_file"), &VideoStream::get_file); + + ADD_PROPERTY(PropertyInfo(Variant::STRING, "file"), "set_file", "get_file"); + + GDVIRTUAL_BIND(_instantiate_playback); +} + +VideoStream::VideoStream() { +} + +VideoStream::~VideoStream() { +} + +void VideoStream::set_audio_track(int p_track) { + audio_track = p_track; +} |