mirror of
https://github.com/godotengine/godot
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135 lines
4.9 KiB
C++
135 lines
4.9 KiB
C++
/*************************************************************************/
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/* video_stream_webm.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef VIDEO_STREAM_WEBM_H
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#define VIDEO_STREAM_WEBM_H
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#include "core/io/resource_loader.h"
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#include "scene/resources/video_stream.h"
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class WebMFrame;
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class WebMDemuxer;
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class VPXDecoder;
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class OpusVorbisDecoder;
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class VideoStreamPlaybackWebm : public VideoStreamPlayback {
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GDCLASS(VideoStreamPlaybackWebm, VideoStreamPlayback);
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String file_name;
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int audio_track = 0;
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WebMDemuxer *webm = nullptr;
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VPXDecoder *video = nullptr;
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OpusVorbisDecoder *audio = nullptr;
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WebMFrame **video_frames = nullptr, *audio_frame = nullptr;
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int video_frames_pos = 0, video_frames_capacity = 0;
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int num_decoded_samples = 0, samples_offset = -1;
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AudioMixCallback mix_callback = nullptr;
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void *mix_udata = nullptr;
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bool playing = false, paused = false;
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double delay_compensation = 0.0;
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double time = 0.0, video_frame_delay = 0.0, video_pos = 0.0;
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Vector<uint8_t> frame_data;
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Ref<ImageTexture> texture;
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float *pcm = nullptr;
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public:
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VideoStreamPlaybackWebm();
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~VideoStreamPlaybackWebm();
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bool open_file(const String &p_file);
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virtual void stop() override;
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virtual void play() override;
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virtual bool is_playing() const override;
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virtual void set_paused(bool p_paused) override;
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virtual bool is_paused() const override;
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virtual void set_loop(bool p_enable) override;
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virtual bool has_loop() const override;
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virtual float get_length() const override;
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virtual float get_playback_position() const override;
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virtual void seek(float p_time) override;
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virtual void set_audio_track(int p_idx) override;
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virtual Ref<Texture2D> get_texture() const override;
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virtual void update(float p_delta) override;
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virtual void set_mix_callback(AudioMixCallback p_callback, void *p_userdata) override;
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virtual int get_channels() const override;
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virtual int get_mix_rate() const override;
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private:
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inline bool has_enough_video_frames() const;
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bool should_process(WebMFrame &video_frame);
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void delete_pointers();
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};
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/**/
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class VideoStreamWebm : public VideoStream {
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GDCLASS(VideoStreamWebm, VideoStream);
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String file;
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int audio_track = 0;
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protected:
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static void _bind_methods();
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public:
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VideoStreamWebm();
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virtual Ref<VideoStreamPlayback> instance_playback() override;
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virtual void set_file(const String &p_file);
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String get_file();
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virtual void set_audio_track(int p_track) override;
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};
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class ResourceFormatLoaderWebm : public ResourceFormatLoader {
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public:
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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);
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virtual void get_recognized_extensions(List<String> *p_extensions) const;
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virtual bool handles_type(const String &p_type) const;
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virtual String get_resource_type(const String &p_path) const;
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};
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#endif // VIDEO_STREAM_WEBM_H
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