common FIFO code moved to fifo.c

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@114 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 80 insertions, 0 deletions

diff --git a/fifo.c b/fifo.c
new file mode 100644
index 0000000000..0c2b35048d
--- /dev/null
+++ b/fifo.c
@@ -0,0 +1,80 @@
+
+// keyboard:
+static int keyb_fifo_put=-1;
+static int keyb_fifo_get=-1;
+
+static void make_pipe(int* pr,int* pw){
+  int temp[2];
+  if(pipe(temp)!=0) printf("Cannot make PIPE!\n");
+  *pr=temp[0];
+  *pw=temp[1];
+}
+
+static inline int my_write(int fd,unsigned char* mem,int len){
+  int total=0;
+  int len2;
+  while(len>0){
+    len2=write(fd,mem+total,len); if(len2<=0) break;
+    total+=len2;len-=len2;
+//    printf("%d bytes received, %d left\n",len2,len);
+  }
+  return total;
+}
+
+static inline int my_read(int fd,unsigned char* mem,int len){
+  int total=0;
+  int len2;
+  while(len>0){
+    len2=read(fd,mem+total,len); if(len2<=0) break;
+    total+=len2;len-=len2;
+//    printf("%d bytes received, %d left\n",len2,len);
+  }
+  return total;
+}
+
+
+void send_cmd(int fd,int cmd){
+  int fifo_cmd=cmd;
+  write(fd,&fifo_cmd,4);
+//  fflush(control_fifo);
+}
+
+
+void mplayer_put_key(int code){
+           fd_set rfds;
+           struct timeval tv;
+
+           /* Watch stdin (fd 0) to see when it has input. */
+           FD_ZERO(&rfds);
+           FD_SET(keyb_fifo_put, &rfds);
+           tv.tv_sec = 0;
+           tv.tv_usec = 0;
+
+           //retval = select(keyb_fifo_put+1, &rfds, NULL, NULL, &tv);
+           if(select(keyb_fifo_put+1, NULL, &rfds, NULL, &tv)){
+             write(keyb_fifo_put,&code,4);
+//             printf("*** key event %d sent ***\n",code);
+           } else {
+//             printf("*** key event dropped (FIFO is full) ***\n");
+           }
+}
+
+int mplayer_get_key(){
+           fd_set rfds;
+           struct timeval tv;
+           int code=-1;
+
+           /* Watch stdin (fd 0) to see when it has input. */
+           FD_ZERO(&rfds);
+           FD_SET(keyb_fifo_get, &rfds);
+           tv.tv_sec = 0;
+           tv.tv_usec = 0;
+
+           //retval = select(keyb_fifo_put+1, &rfds, NULL, NULL, &tv);
+           if(select(keyb_fifo_put+1, &rfds, NULL, NULL, &tv)){
+             read(keyb_fifo_get,&code,4);
+//             printf("*** key event %d read ***\n",code);
+           }
+           return code;
+}
+