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Diffstat (limited to 'modules/gdnative/videodecoder/video_stream_gdnative.h')
| -rw-r--r-- | modules/gdnative/videodecoder/video_stream_gdnative.h | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/modules/gdnative/videodecoder/video_stream_gdnative.h b/modules/gdnative/videodecoder/video_stream_gdnative.h new file mode 100644 index 0000000000..aafd02f33d --- /dev/null +++ b/modules/gdnative/videodecoder/video_stream_gdnative.h @@ -0,0 +1,208 @@ +/*************************************************************************/ +/* video_stream_gdnative.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2019 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_GDNATIVE_H +#define VIDEO_STREAM_GDNATIVE_H + +#include "../gdnative.h" +#include "core/os/file_access.h" +#include "scene/resources/texture.h" +#include "scene/resources/video_stream.h" + +struct VideoDecoderGDNative { + const godot_videodecoder_interface_gdnative *interface; + String plugin_name; + Vector<String> supported_extensions; + + VideoDecoderGDNative() : + interface(NULL), + plugin_name("none") {} + + VideoDecoderGDNative(const godot_videodecoder_interface_gdnative *p_interface) : + interface(p_interface), + plugin_name(p_interface->get_plugin_name()) { + _get_supported_extensions(); + } + +private: + void _get_supported_extensions() { + supported_extensions.clear(); + int num_ext; + const char **supported_ext = interface->get_supported_extensions(&num_ext); + for (int i = 0; i < num_ext; i++) { + supported_extensions.push_back(supported_ext[i]); + } + } +}; + +class VideoDecoderServer { +private: + Vector<VideoDecoderGDNative *> decoders; + Map<String, int> extensions; + + static VideoDecoderServer *instance; + +public: + static VideoDecoderServer *get_instance() { + return instance; + } + + const Map<String, int> &get_extensions() { + return extensions; + } + + void register_decoder_interface(const godot_videodecoder_interface_gdnative *p_interface) { + VideoDecoderGDNative *decoder = memnew(VideoDecoderGDNative(p_interface)); + int index = decoders.size(); + for (int i = 0; i < decoder->supported_extensions.size(); i++) { + extensions[decoder->supported_extensions[i]] = index; + } + decoders.push_back(decoder); + } + + VideoDecoderGDNative *get_decoder(const String &extension) { + if (extensions.size() == 0 || !extensions.has(extension)) + return NULL; + return decoders[extensions[extension]]; + } + + VideoDecoderServer() { + instance = this; + } + + ~VideoDecoderServer() { + for (int i = 0; i < decoders.size(); i++) { + memdelete(decoders[i]); + } + decoders.clear(); + instance = NULL; + } +}; + +class VideoStreamPlaybackGDNative : public VideoStreamPlayback { + + GDCLASS(VideoStreamPlaybackGDNative, VideoStreamPlayback); + + Ref<ImageTexture> texture; + bool playing; + bool paused; + + Vector2 texture_size; + + void *mix_udata; + AudioMixCallback mix_callback; + + int num_channels; + float time; + int mix_rate; + double delay_compensation; + + float *pcm; + int pcm_write_idx; + int samples_decoded; + + void cleanup(); + void update_texture(); + +protected: + String file_name; + + FileAccess *file; + + const godot_videodecoder_interface_gdnative *interface; + void *data_struct; + +public: + VideoStreamPlaybackGDNative(); + ~VideoStreamPlaybackGDNative(); + + void set_interface(const godot_videodecoder_interface_gdnative *p_interface); + + 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 int mix(int16_t* p_buffer,int p_frames)=0; + + virtual Ref<Texture> get_texture(); + 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; +}; + +class VideoStreamGDNative : public VideoStream { + + GDCLASS(VideoStreamGDNative, VideoStream); + + String file; + int audio_track; + +protected: + static void + _bind_methods(); + +public: + void set_file(const String &p_file); + String get_file(); + + virtual void set_audio_track(int p_track); + virtual Ref<VideoStreamPlayback> instance_playback(); + + VideoStreamGDNative() {} +}; + +class ResourceFormatLoaderVideoStreamGDNative : public ResourceFormatLoader { + GDCLASS(ResourceFormatLoaderVideoStreamGDNative, ResourceFormatLoader) +public: + virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = NULL); + 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 |