mirror of https://github.com/mpv-player/mpv
60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
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#ifndef HAVE_NO_POSIX_SELECT
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// keyboard:
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static int keyb_fifo_put=-1;
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static int keyb_fifo_get=-1;
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static void make_pipe(int* pr,int* pw){
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int temp[2];
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if(pipe(temp)!=0) printf("Cannot make PIPE!\n");
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*pr=temp[0];
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*pw=temp[1];
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}
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void mplayer_put_key(int code){
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fd_set rfds;
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struct timeval tv;
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/* Watch stdin (fd 0) to see when it has input. */
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FD_ZERO(&rfds);
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FD_SET(keyb_fifo_put, &rfds);
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tv.tv_sec = 0;
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tv.tv_usec = 0;
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//retval = select(keyb_fifo_put+1, &rfds, NULL, NULL, &tv);
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if(select(keyb_fifo_put+1, NULL, &rfds, NULL, &tv)>0){
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write(keyb_fifo_put,&code,4);
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// printf("*** key event %d sent ***\n",code);
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} else {
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// printf("*** key event dropped (FIFO is full) ***\n");
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}
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}
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#else
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#define KEY_FIFO_SIZE 1024
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static int key_fifo_data[KEY_FIFO_SIZE];
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static int key_fifo_read=0;
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static int key_fifo_write=0;
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void mplayer_put_key(int code){
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// printf("mplayer_put_key(%d)\n",code);
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if(((key_fifo_write+1)%KEY_FIFO_SIZE)==key_fifo_read) return; // FIFO FULL!!
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key_fifo_data[key_fifo_write]=code;
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key_fifo_write=(key_fifo_write+1)%KEY_FIFO_SIZE;
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}
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int mplayer_get_key(int fd){
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int key;
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// printf("mplayer_get_key(%d)\n",fd);
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if(key_fifo_write==key_fifo_read) return MP_INPUT_NOTHING;
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key=key_fifo_data[key_fifo_read];
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key_fifo_read=(key_fifo_read+1)%KEY_FIFO_SIZE;
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// printf("mplayer_get_key => %d\n",key);
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return key;
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}
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#endif
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