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/*************************************************************************/
/* video_stream_theora.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_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<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;
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 {
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
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