/*************************************************************************/ /* video_stream_theora.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_THEORA_H #define VIDEO_STREAM_THEORA_H #include "core/io/resource_loader.h" #include "core/os/file_access.h" #include "core/os/semaphore.h" #include "core/os/thread.h" #include "core/ring_buffer.h" #include "scene/resources/video_stream.h" #include "servers/audio_server.h" #include <theora/theoradec.h> #include <vorbis/codec.h> //#define THEORA_USE_THREAD_STREAMING class VideoStreamPlaybackTheora : public VideoStreamPlayback { GDCLASS(VideoStreamPlaybackTheora, VideoStreamPlayback); enum { MAX_FRAMES = 4, }; //Image frames[MAX_FRAMES]; Image::Format format; PoolVector<uint8_t> frame_data; int frames_pending; FileAccess *file; String file_name; int audio_frames_wrote; Point2i size; int buffer_data(); int queue_page(ogg_page *page); void video_write(void); float get_time() const; bool theora_eos; bool vorbis_eos; ogg_sync_state oy; ogg_page og; ogg_stream_state vo; ogg_stream_state to; th_info ti; th_comment tc; th_dec_ctx *td; vorbis_info vi; vorbis_dsp_state vd; vorbis_block vb; vorbis_comment vc; th_pixel_fmt px_fmt; double videobuf_time; int pp_inc; int theora_p; int vorbis_p; int pp_level_max; int pp_level; int videobuf_ready; bool playing; bool buffering; double last_update_time; double time; double delay_compensation; Ref<ImageTexture> texture; AudioMixCallback mix_callback; void *mix_udata; bool paused; #ifdef THEORA_USE_THREAD_STREAMING enum { RB_SIZE_KB = 1024 }; RingBuffer<uint8_t> ring_buffer; Vector<uint8_t> read_buffer; bool thread_eof; Semaphore *thread_sem; Thread *thread; volatile bool thread_exit; static void _streaming_thread(void *ud); #endif int audio_track; protected: void clear(); public: virtual void play(); virtual void stop(); 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 String get_stream_name() const; virtual int get_loop_count() const; virtual float get_playback_position() const; virtual void seek(float p_time); void set_file(const String &p_file); 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; virtual void set_audio_track(int p_idx); VideoStreamPlaybackTheora(); ~VideoStreamPlaybackTheora(); }; class VideoStreamTheora : public VideoStream { GDCLASS(VideoStreamTheora, VideoStream); String file; int audio_track; protected: static void _bind_methods(); public: Ref<VideoStreamPlayback> instance_playback() { Ref<VideoStreamPlaybackTheora> pb = memnew(VideoStreamPlaybackTheora); pb->set_audio_track(audio_track); pb->set_file(file); return pb; } void set_file(const String &p_file) { file = p_file; } String get_file() { return file; } void set_audio_track(int p_track) { audio_track = p_track; } VideoStreamTheora() { audio_track = 0; } }; class ResourceFormatLoaderTheora : public ResourceFormatLoader { GDCLASS(ResourceFormatLoaderTheora, 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