mirror of https://github.com/mpv-player/mpv
61 lines
1.4 KiB
C
61 lines
1.4 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 set_nonblock_flag(int fd) {
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int oldflags;
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oldflags = fcntl(fd, F_GETFL, 0);
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if (oldflags != -1) {
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if (fcntl(keyb_fifo_put, F_SETFL, oldflags | O_NONBLOCK) != -1) {
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return;
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}
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}
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mp_msg(MSGT_INPUT,MSGL_ERR,"Cannot set nonblocking mode for fd %d!\n", fd);
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}
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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) mp_msg(MSGT_FIXME, MSGL_FIXME, MSGTR_CannotMakePipe);
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*pr=temp[0];
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*pw=temp[1];
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set_nonblock_flag(temp[1]);
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}
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void mplayer_put_key(int code){
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if( write(keyb_fifo_put,&code,4) != 4 ){
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mp_msg(MSGT_INPUT,MSGL_ERR,"*** 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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