00001 #ifndef _INPUT_HELPERS_H_
00002 #define _INPUT_HELPERS_H_
00003
00004 class input_helper {
00005 public:
00006 input_helper();
00007 void open(service_ptr_t<file> p_filehint,metadb_handle_ptr p_location,unsigned p_flags,abort_callback & p_abort,bool p_from_redirect = false,bool p_skip_hints = false);
00008 void open(service_ptr_t<file> p_filehint,const playable_location & p_location,unsigned p_flags,abort_callback & p_abort,bool p_from_redirect = false,bool p_skip_hints = false);
00009
00010 void close();
00011 bool is_open();
00012 bool run(audio_chunk & p_chunk,abort_callback & p_abort);
00013 void seek(double seconds,abort_callback & p_abort);
00014 bool can_seek();
00015 void set_full_buffer(t_filesize val);
00016 void on_idle(abort_callback & p_abort);
00017 bool get_dynamic_info(file_info & p_out,double & p_timestamp_delta);
00018 bool get_dynamic_info_track(file_info & p_out,double & p_timestamp_delta);
00019
00021 const char * get_path() const;
00022
00024 void get_info(t_uint32 p_subsong,file_info & p_info,abort_callback & p_abort);
00025
00026 static void g_get_info(const playable_location & p_location,file_info & p_info,abort_callback & p_abort,bool p_from_redirect = false);
00027 static void g_set_info(const playable_location & p_location,file_info & p_info,abort_callback & p_abort,bool p_from_redirect = false);
00028
00029
00030 static bool g_mark_dead(const pfc::list_base_const_t<metadb_handle_ptr> & p_list,bit_array_var & p_mask,abort_callback & p_abort);
00031
00032 private:
00033 service_ptr_t<input_decoder> m_input;
00034 pfc::string8 m_path;
00035 t_filesize m_fullbuffer;
00036 };
00037
00038 class NOVTABLE dead_item_filter : public abort_callback {
00039 public:
00040 virtual void on_progress(t_size p_position,t_size p_total) = 0;
00041
00042 bool run(const pfc::list_base_const_t<metadb_handle_ptr> & p_list,bit_array_var & p_mask);
00043 };
00044
00045 class input_info_read_helper {
00046 public:
00047 input_info_read_helper() {}
00048 void get_info(const playable_location & p_location,file_info & p_info,t_filestats & p_stats,abort_callback & p_abort);
00049 void get_info_check(const playable_location & p_location,file_info & p_info,t_filestats & p_stats,bool & p_reloaded,abort_callback & p_abort);
00050 private:
00051 void open(const char * p_path,abort_callback & p_abort);
00052
00053 pfc::string8 m_path;
00054 service_ptr_t<input_info_reader> m_input;
00055 };
00056
00057
00058
00059 class input_helper_cue {
00060 public:
00061 void open(service_ptr_t<file> p_filehint,const playable_location & p_location,unsigned p_flags,abort_callback & p_abort,double p_start,double p_length);
00062
00063 void close();
00064 bool is_open();
00065 bool run(audio_chunk & p_chunk,abort_callback & p_abort);
00066 void seek(double seconds,abort_callback & p_abort);
00067 bool can_seek();
00068 void set_full_buffer(t_filesize val);
00069 void on_idle(abort_callback & p_abort);
00070 bool get_dynamic_info(file_info & p_out,double & p_timestamp_delta);
00071 bool get_dynamic_info_track(file_info & p_out,double & p_timestamp_delta);
00072
00073 const char * get_path() const;
00074
00075 void get_info(t_uint32 p_subsong,file_info & p_info,abort_callback & p_abort);
00076
00077 private:
00078 input_helper m_input;
00079 double m_start,m_length,m_position;
00080 bool m_dynamic_info_trigger,m_dynamic_info_track_trigger;
00081 };
00082
00083 #endif
