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116 lines
4.3 KiB
C++
116 lines
4.3 KiB
C++
/**************************************************************************/
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/* video_stream.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) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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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_H
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#define VIDEO_STREAM_H
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#include "core/io/file_access.h"
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#include "scene/resources/texture.h"
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class VideoStreamPlayback : public Resource {
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GDCLASS(VideoStreamPlayback, Resource);
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public:
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typedef int (*AudioMixCallback)(void *p_udata, const float *p_data, int p_frames);
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protected:
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AudioMixCallback mix_callback = nullptr;
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void *mix_udata = nullptr;
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mutable int _channel_count = 0; // Used only to assist with bounds checking in mix_audio.
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static void _bind_methods();
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GDVIRTUAL0(_stop);
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GDVIRTUAL0(_play);
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GDVIRTUAL0RC(bool, _is_playing);
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GDVIRTUAL1(_set_paused, bool);
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GDVIRTUAL0RC(bool, _is_paused);
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GDVIRTUAL0RC(double, _get_length);
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GDVIRTUAL0RC(double, _get_playback_position);
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GDVIRTUAL1(_seek, double);
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GDVIRTUAL1(_set_audio_track, int);
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GDVIRTUAL0RC(Ref<Texture2D>, _get_texture);
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GDVIRTUAL1_REQUIRED(_update, double);
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GDVIRTUAL0RC(int, _get_channels);
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GDVIRTUAL0RC(int, _get_mix_rate);
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int mix_audio(int num_frames, PackedFloat32Array buffer = {}, int offset = 0);
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public:
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VideoStreamPlayback();
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virtual ~VideoStreamPlayback();
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virtual void stop();
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virtual void play();
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virtual bool is_playing() const;
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virtual void set_paused(bool p_paused);
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virtual bool is_paused() const;
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virtual double get_length() const;
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virtual double get_playback_position() const;
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virtual void seek(double p_time);
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virtual void set_audio_track(int p_idx);
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virtual Ref<Texture2D> get_texture() const;
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virtual void update(double p_delta);
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virtual void set_mix_callback(AudioMixCallback p_callback, void *p_userdata);
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virtual int get_channels() const;
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virtual int get_mix_rate() const;
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};
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class VideoStream : public Resource {
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GDCLASS(VideoStream, Resource);
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OBJ_SAVE_TYPE(VideoStream);
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protected:
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static void _bind_methods();
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GDVIRTUAL0R(Ref<VideoStreamPlayback>, _instantiate_playback);
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String file;
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int audio_track = 0;
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public:
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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);
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virtual Ref<VideoStreamPlayback> instantiate_playback();
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VideoStream();
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~VideoStream();
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};
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#endif // VIDEO_STREAM_H
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