175 lines
3.3 KiB
C++
175 lines
3.3 KiB
C++
#ifndef VIDEO_STREAM_THEORA_H
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#define VIDEO_STREAM_THEORA_H
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#ifdef THEORA_ENABLED
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#include "theora/theoradec.h"
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#include "vorbis/codec.h"
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#include "os/file_access.h"
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#include "ring_buffer.h"
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#include "io/resource_loader.h"
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#include "scene/resources/video_stream.h"
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#include "os/thread.h"
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#include "os/semaphore.h"
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//#define THEORA_USE_THREAD_STREAMING
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class VideoStreamPlaybackTheora : public VideoStreamPlayback {
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OBJ_TYPE(VideoStreamPlaybackTheora, VideoStreamPlayback);
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enum {
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MAX_FRAMES = 4,
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};
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//Image frames[MAX_FRAMES];
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Image::Format format;
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DVector<uint8_t> frame_data;
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int frames_pending;
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FileAccess* file;
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String file_name;
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int audio_frames_wrote;
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Point2i size;
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int buffer_data();
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int queue_page(ogg_page *page);
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void video_write(void);
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float get_time() const;
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ogg_sync_state oy;
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ogg_page og;
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ogg_stream_state vo;
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ogg_stream_state to;
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th_info ti;
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th_comment tc;
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th_dec_ctx *td;
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vorbis_info vi;
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vorbis_dsp_state vd;
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vorbis_block vb;
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vorbis_comment vc;
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th_pixel_fmt px_fmt;
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double videobuf_time;
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int pp_inc;
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int theora_p;
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int vorbis_p;
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int pp_level_max;
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int pp_level;
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int videobuf_ready;
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bool playing;
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bool buffering;
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double last_update_time;
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double time;
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double delay_compensation;
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Ref<ImageTexture> texture;
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AudioMixCallback mix_callback;
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void* mix_udata;
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bool paused;
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#ifdef THEORA_USE_THREAD_STREAMING
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enum {
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RB_SIZE_KB=1024
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};
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RingBuffer<uint8_t> ring_buffer;
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Vector<uint8_t> read_buffer;
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bool thread_eof;
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Semaphore *thread_sem;
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Thread *thread;
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volatile bool thread_exit;
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static void _streaming_thread(void *ud);
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#endif
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int audio_track;
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protected:
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void clear();
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public:
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virtual void play();
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virtual void stop();
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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(bool p_paused) const;
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virtual void set_loop(bool p_enable);
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virtual bool has_loop() const;
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virtual float get_length() const;
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virtual String get_stream_name() const;
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virtual int get_loop_count() const;
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virtual float get_pos() const;
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virtual void seek_pos(float p_time);
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void set_file(const String& p_file);
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virtual Ref<Texture> get_texture();
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virtual void update(float 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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virtual void set_audio_track(int p_idx);
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VideoStreamPlaybackTheora();
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~VideoStreamPlaybackTheora();
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};
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class VideoStreamTheora : public VideoStream {
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OBJ_TYPE(VideoStreamTheora,VideoStream);
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String file;
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int audio_track;
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public:
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Ref<VideoStreamPlayback> instance_playback() {
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Ref<VideoStreamPlaybackTheora> pb = memnew( VideoStreamPlaybackTheora );
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pb->set_audio_track(audio_track);
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pb->set_file(file);
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return pb;
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}
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void set_file(const String& p_file) { file=p_file; }
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void set_audio_track(int p_track) { audio_track=p_track; }
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VideoStreamTheora() { audio_track=0; }
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};
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class ResourceFormatLoaderVideoStreamTheora : public ResourceFormatLoader {
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public:
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virtual RES load(const String &p_path,const String& p_original_path="",Error *r_error=NULL);
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virtual void get_recognized_extensions(List<String> *p_extensions) const;
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virtual bool handles_type(const String& p_type) const;
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virtual String get_resource_type(const String &p_path) const;
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};
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#endif
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#endif
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