/*************************************************************************/ /* video_stream_webm.h */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* 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_WEBM_H #define VIDEO_STREAM_WEBM_H #include "core/io/resource_loader.h" #include "scene/resources/video_stream.h" class WebMFrame; class WebMDemuxer; class VPXDecoder; class OpusVorbisDecoder; class VideoStreamPlaybackWebm : public VideoStreamPlayback { GDCLASS(VideoStreamPlaybackWebm, VideoStreamPlayback); String file_name; int audio_track = 0; WebMDemuxer *webm = nullptr; VPXDecoder *video = nullptr; OpusVorbisDecoder *audio = nullptr; WebMFrame **video_frames = nullptr, *audio_frame = nullptr; int video_frames_pos = 0, video_frames_capacity = 0; int num_decoded_samples = 0, samples_offset = -1; AudioMixCallback mix_callback = nullptr; void *mix_udata = nullptr; bool playing = false, paused = false; double delay_compensation = 0.0; double time = 0.0, video_frame_delay = 0.0, video_pos = 0.0; Vector<uint8_t> frame_data; Ref<ImageTexture> texture; float *pcm = nullptr; public: VideoStreamPlaybackWebm(); ~VideoStreamPlaybackWebm(); bool open_file(const String &p_file); virtual void stop(); virtual void play(); virtual bool is_playing() const; virtual void set_paused(bool p_paused); virtual bool is_paused() const; virtual void set_loop(bool p_enable); virtual bool has_loop() const; virtual float get_length() const; virtual float get_playback_position() const; virtual void seek(float p_time); virtual void set_audio_track(int p_idx); virtual Ref<Texture2D> get_texture() const; virtual void update(float p_delta); virtual void set_mix_callback(AudioMixCallback p_callback, void *p_userdata); virtual int get_channels() const; virtual int get_mix_rate() const; private: inline bool has_enough_video_frames() const; bool should_process(WebMFrame &video_frame); void delete_pointers(); }; /**/ class VideoStreamWebm : public VideoStream { GDCLASS(VideoStreamWebm, VideoStream); String file; int audio_track = 0; protected: static void _bind_methods(); public: VideoStreamWebm(); virtual Ref<VideoStreamPlayback> instance_playback(); virtual void set_file(const String &p_file); String get_file(); virtual void set_audio_track(int p_track); }; class ResourceFormatLoaderWebm : public ResourceFormatLoader { public: virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, bool p_no_cache = false); virtual void get_recognized_extensions(List<String> *p_extensions) const; virtual bool handles_type(const String &p_type) const; virtual String get_resource_type(const String &p_path) const; }; #endif // VIDEO_STREAM_WEBM_H