udp: support non blocking reads with fifo

Signed-off-by: N Michael Niedermayer <michaelni@gmx.at>

udp: support non blocking reads with fifo
Signed-off-by: N Michael Niedermayer <michaelni@gmx.at>
9f50dafe · Michael Niedermayer · bc900501 · 9f50dafe
隐藏空白更改
内联并排

Showing with 3 addition and 0 deletion

libavformat/udp.c libavformat/udp.c +3 -0

未找到文件。
--- a/libavformat/udp.c
+++ b/libavformat/udp.c
@@ -572,6 +572,9 @@ static int udp_read(URLContext *h, uint8_t *buf, int size)
            } else if(s->circular_buffer_error){
                pthread_mutex_unlock(&s->mutex);
                return s->circular_buffer_error;
+            } else if(h->flags & AVIO_FLAG_NONBLOCK) {
+                pthread_mutex_unlock(&s->mutex);
+                return AVERROR(EAGAIN);
            }
            else {
                pthread_cond_wait(&s->cond, &s->mutex);