/**************************************************************************/ /* video_stream.h */ /**************************************************************************/ /* 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. */ /**************************************************************************/ #ifndef VIDEO_STREAM_H #define VIDEO_STREAM_H #include "core/io/file_access.h" #include "scene/resources/texture.h" class VideoStreamPlayback : public Resource { GDCLASS(VideoStreamPlayback, Resource); public: typedef int (*AudioMixCallback)(void *p_udata, const float *p_data, int p_frames); protected: AudioMixCallback mix_callback = nullptr; void *mix_udata = nullptr; mutable int _channel_count = 0; // Used only to assist with bounds checking in mix_audio. static void _bind_methods(); GDVIRTUAL0(_stop); GDVIRTUAL0(_play); GDVIRTUAL0RC(bool, _is_playing); GDVIRTUAL1(_set_paused, bool); GDVIRTUAL0RC(bool, _is_paused); GDVIRTUAL0RC(double, _get_length); GDVIRTUAL0RC(double, _get_playback_position); GDVIRTUAL1(_seek, double); GDVIRTUAL1(_set_audio_track, int); GDVIRTUAL0RC(Ref<Texture2D>, _get_texture); GDVIRTUAL1(_update, double); GDVIRTUAL0RC(int, _get_channels); GDVIRTUAL0RC(int, _get_mix_rate); int mix_audio(int num_frames, PackedFloat32Array buffer = {}, int offset = 0); public: VideoStreamPlayback(); virtual ~VideoStreamPlayback(); virtual void stop(); virtual void play(); virtual bool is_playing() const; virtual void set_paused(bool p_paused); virtual bool is_paused() const; virtual double get_length() const; virtual double get_playback_position() const; virtual void seek(double p_time); virtual void set_audio_track(int p_idx); virtual Ref<Texture2D> get_texture() const; virtual void update(double p_delta); virtual void set_mix_callback(AudioMixCallback p_callback, void *p_userdata); virtual int get_channels() const; virtual int get_mix_rate() const; }; class VideoStream : public Resource { GDCLASS(VideoStream, Resource); OBJ_SAVE_TYPE(VideoStream); protected: static void _bind_methods(); GDVIRTUAL0R(Ref<VideoStreamPlayback>, _instantiate_playback); String file; int audio_track = 0; public: void set_file(const String &p_file); String get_file(); virtual void set_audio_track(int p_track); virtual Ref<VideoStreamPlayback> instantiate_playback(); VideoStream(); ~VideoStream(); }; #endif // VIDEO_STREAM_H