godot/drivers/theora/video_stream_theora.h
2015-12-15 23:39:36 -03:00

175 lines
3.3 KiB
C++

#ifndef VIDEO_STREAM_THEORA_H
#define VIDEO_STREAM_THEORA_H
#ifdef THEORA_ENABLED
#include "theora/theoradec.h"
#include "vorbis/codec.h"
#include "os/file_access.h"
#include "ring_buffer.h"
#include "io/resource_loader.h"
#include "scene/resources/video_stream.h"
#include "os/thread.h"
#include "os/semaphore.h"
//#define THEORA_USE_THREAD_STREAMING
class VideoStreamPlaybackTheora : public VideoStreamPlayback {
OBJ_TYPE(VideoStreamPlaybackTheora, VideoStreamPlayback);
enum {
MAX_FRAMES = 4,
};
//Image frames[MAX_FRAMES];
Image::Format format;
DVector<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;
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(bool p_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_pos() const;
virtual void seek_pos(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 {
OBJ_TYPE(VideoStreamTheora,VideoStream);
String file;
int audio_track;
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; }
void set_audio_track(int p_track) { audio_track=p_track; }
VideoStreamTheora() { audio_track=0; }
};
class ResourceFormatLoaderVideoStreamTheora : 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
#endif