From d46c9f83cf495c901e6128ce1042190f620b89c4 Mon Sep 17 00:00:00 2001 From: Stefano Sabatini Date: Sat, 12 Mar 2011 15:24:54 +0100 Subject: [PATCH] fbdev: simplify logic in fbdev_read_packet() Signed-off-by: Stefano Sabatini --- libavdevice/fbdev.c | 18 ++++++++---------- 1 file changed, 8 insertions(+), 10 deletions(-) diff --git a/libavdevice/fbdev.c b/libavdevice/fbdev.c index 4f670e9875..f7fb957e80 100644 --- a/libavdevice/fbdev.c +++ b/libavdevice/fbdev.c @@ -189,22 +189,20 @@ static int fbdev_read_packet(AVFormatContext *avctx, AVPacket *pkt) fbdev->time_frame = av_gettime(); /* wait based on the frame rate */ - 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; - } + 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) { 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;