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65 lines
1.5 KiB
65 lines
1.5 KiB
#ifndef AmPlaylist_h
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#define AmPlaylist_h
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#include "AmAudio.h"
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#include "AmThread.h"
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#include "AmEventQueue.h"
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#include <deque>
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using std::deque;
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/** \brief entry in an \ref AmPlaylist */
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struct AmPlaylistItem
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{
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AmAudio* play;
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AmAudio* record;
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AmPlaylistItem(AmAudio* play,
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AmAudio* record)
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: play(play), record(record) {}
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};
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/**
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* \brief AmAudio component that plays entries serially
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*
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* This class can be plugged to the Input or Output of a
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* session. Entries can be added or removed from the playlist,
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* and the current entry is played until it is finished,
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* then the next entry is played.
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*/
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class AmPlaylist: public AmAudio
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{
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AmMutex items_mut;
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deque<AmPlaylistItem*> items;
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AmMutex cur_mut;
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AmPlaylistItem* cur_item;
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AmEventQueue* ev_q;
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void updateCurrentItem();
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void gotoNextItem();
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protected:
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// Fake implement AmAudio's pure virtual methods
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int read(unsigned int user_ts, unsigned int size){ return -1; }
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int write(unsigned int user_ts, unsigned int size){ return -1; }
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// override AmAudio
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int get(unsigned int user_ts, unsigned char* buffer, unsigned int nb_samples);
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int put(unsigned int user_ts, unsigned char* buffer, unsigned int size);
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public:
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AmPlaylist(AmEventQueue* q);
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~AmPlaylist();
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void addToPlaylist(AmPlaylistItem* item);
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void addToPlayListFront(AmPlaylistItem* item);
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void close();
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};
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#endif
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