194 lines
6 KiB
C++
194 lines
6 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file movieTexture.h
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* @author jyelon
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* @date 2007-08-01
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*/
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#ifndef MOVIETEXTURE_H
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#define MOVIETEXTURE_H
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#include "pandabase.h"
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#ifdef HAVE_AUDIO
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#include "movieVideo.h"
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#include "movieVideoCursor.h"
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#include "audioSound.h"
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#include "pipelineCycler.h"
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#include "cycleData.h"
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#include "cycleDataWriter.h"
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#include "cycleDataReader.h"
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/**
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* A texture that fetches video frames from an underlying object of class
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* Movie.
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*/
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class EXPCL_PANDA_GRUTIL MovieTexture : public Texture {
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PUBLISHED:
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explicit MovieTexture(const std::string &name);
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explicit MovieTexture(MovieVideo *video);
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MovieTexture(const MovieTexture ©) = delete;
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virtual ~MovieTexture();
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INLINE double get_video_length() const;
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INLINE int get_video_width() const;
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INLINE int get_video_height() const;
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INLINE MovieVideoCursor *get_color_cursor(int page);
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INLINE MovieVideoCursor *get_alpha_cursor(int page);
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void restart();
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void stop();
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void play();
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void set_time(double t);
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double get_time() const;
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void set_loop(bool enable);
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bool get_loop() const;
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void set_loop_count(int count);
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int get_loop_count() const;
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void set_play_rate(double play_rate);
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double get_play_rate() const;
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bool is_playing() const;
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void synchronize_to(AudioSound *sound);
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void unsynchronize();
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PUBLISHED:
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MAKE_PROPERTY(video_length, get_video_length);
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MAKE_PROPERTY(video_width, get_video_width);
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MAKE_PROPERTY(video_height, get_video_height);
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MAKE_PROPERTY(time, get_time, set_time);
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MAKE_PROPERTY(loop, get_loop, set_loop);
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MAKE_PROPERTY(loop_count, get_loop_count, set_loop_count);
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MAKE_PROPERTY(play_rate, get_play_rate, set_play_rate);
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MAKE_PROPERTY(playing, is_playing);
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public:
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virtual void ensure_loader_type(const Filename &filename);
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static PT(Texture) make_texture();
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virtual bool has_cull_callback() const;
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virtual bool cull_callback(CullTraverser *trav, const CullTraverserData &data) const;
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protected:
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class CData;
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virtual PT(Texture) make_copy_impl() const;
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void do_assign(CData *cdata, Texture::CData *cdata_tex, const MovieTexture *copy,
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const CData *cdata_copy, const Texture::CData *cdata_copy_tex);
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virtual void do_reload_ram_image(Texture::CData *cdata, bool allow_compression);
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virtual bool get_keep_ram_image() const;
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virtual bool do_has_bam_rawdata(const Texture::CData *cdata) const;
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virtual void do_get_bam_rawdata(Texture::CData *cdata);
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virtual bool do_can_reload(const Texture::CData *cdata) const;
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virtual bool do_adjust_this_size(const Texture::CData *cdata,
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int &x_size, int &y_size, const std::string &name,
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bool for_padding) const;
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virtual bool do_read_one(Texture::CData *cdata,
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const Filename &fullpath, const Filename &alpha_fullpath,
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int z, int n, int primary_file_num_channels, int alpha_file_channel,
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const LoaderOptions &options,
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bool header_only, BamCacheRecord *record);
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virtual bool do_load_one(Texture::CData *cdata,
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const PNMImage &pnmimage, const std::string &name,
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int z, int n, const LoaderOptions &options);
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virtual bool do_load_one(Texture::CData *cdata,
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const PfmFile &pfm, const std::string &name,
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int z, int n, const LoaderOptions &options);
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bool do_load_one(Texture::CData *cdata,
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PT(MovieVideoCursor) color, PT(MovieVideoCursor) alpha,
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int z, const LoaderOptions &options);
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virtual void do_allocate_pages(Texture::CData *cdata);
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class VideoPage {
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public:
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PT(MovieVideoCursor) _color;
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PT(MovieVideoCursor) _alpha;
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// The current (but not yet applied) frame for each video.
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PT(MovieVideoCursor::Buffer) _cbuffer;
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PT(MovieVideoCursor::Buffer) _abuffer;
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};
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typedef pvector<VideoPage> Pages;
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class EXPCL_PANDA_GRUTIL CData : public CycleData {
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public:
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CData();
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CData(const CData ©);
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virtual CycleData *make_copy() const;
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virtual TypeHandle get_parent_type() const {
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return MovieTexture::get_class_type();
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}
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Pages _pages;
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int _video_width;
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int _video_height;
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double _video_length;
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double _clock;
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bool _playing;
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int _loop_count;
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double _play_rate;
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PT(AudioSound) _synchronize;
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// The remaining values represent a local cache only; it is not preserved
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// through the pipeline.
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bool _has_offset;
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double _offset;
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int _true_loop_count;
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};
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PipelineCycler<CData> _cycler;
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typedef CycleDataReader<CData> CDReader;
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typedef CycleDataWriter<CData> CDWriter;
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void do_recalculate_image_properties(CData *cdata, Texture::CData *cdata_tex,
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const LoaderOptions &options);
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private:
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bool do_update_frames(const CData *cdata) const;
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public:
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static void register_with_read_factory();
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static TypedWritable *make_from_bam(const FactoryParams ¶ms);
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virtual int complete_pointers(TypedWritable **plist, BamReader *manager);
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virtual void do_write_datagram_rawdata(Texture::CData *cdata, BamWriter *manager, Datagram &me);
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virtual void do_fillin_rawdata(Texture::CData *cdata, DatagramIterator &scan, BamReader *manager);
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virtual void finalize(BamReader *manager);
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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Texture::init_type();
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register_type(_type_handle, "MovieTexture",
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Texture::get_class_type());
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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};
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#include "movieTexture.I"
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#endif // HAVE_AUDIO
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#endif
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