diff --git a/libavdevice/fbdev.c b/libavdevice/fbdev.c index f7fb957e80..4f670e9875 100644 --- a/libavdevice/fbdev.c +++ b/libavdevice/fbdev.c @@ -189,20 +189,22 @@ static int fbdev_read_packet(AVFormatContext *avctx, AVPacket *pkt) fbdev->time_frame = av_gettime(); /* wait based on the frame rate */ - curtime = av_gettime(); - delay = fbdev->time_frame - curtime; - av_dlog(avctx, - "time_frame:%"PRId64" curtime:%"PRId64" delay:%"PRId64"\n", - fbdev->time_frame, curtime, delay); - if (delay > 0) { + while (1) { + curtime = av_gettime(); + delay = fbdev->time_frame - curtime; + av_dlog(avctx, + "time_frame:%"PRId64" curtime:%"PRId64" delay:%"PRId64"\n", + fbdev->time_frame, curtime, delay); + if (delay <= 0) { + fbdev->time_frame += INT64_C(1000000) * av_q2d(fbdev->time_base); + break; + } if (avctx->flags & AVFMT_FLAG_NONBLOCK) return AVERROR(EAGAIN); ts.tv_sec = delay / 1000000; ts.tv_nsec = (delay % 1000000) * 1000; while (nanosleep(&ts, &ts) < 0 && errno == EINTR); } - /* compute the time of the next frame */ - fbdev->time_frame += INT64_C(1000000) * av_q2d(fbdev->time_base); if ((ret = av_new_packet(pkt, fbdev->frame_size)) < 0) return ret;