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allow utilization of more v4l buffers, patch by Carsten Schulz <carsten@gnocchi.dialup.fu-berlin.de>

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8651 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
henry 2002-12-29 23:10:08 +00:00
parent 2c0e1c6089
commit ec27ebf6b7
1 changed files with 14 additions and 15 deletions
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29
libmpdemux/tvi_v4l.c
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@ -1224,19 +1224,19 @@ static void *video_grabber(void *data)
priv_t *priv = (priv_t*)data;
struct timeval curtime;
long long skew, prev_skew, xskew, interval, prev_interval;
int frame, nextframe;
int frame;
int i;
int first = 1;
int framecount;
/* start the capture process */
if (ioctl(priv->video_fd, VIDIOCMCAPTURE, &priv->buf[0]) == -1)
{
mp_msg(MSGT_TV, MSGL_ERR, "\nioctl mcapture failed: %s\n", strerror(errno));
for (i=0; i < priv->nbuf; i++) {
if (ioctl(priv->video_fd, VIDIOCMCAPTURE, &priv->buf[i]) == -1)
{
mp_msg(MSGT_TV, MSGL_ERR, "\nioctl mcapture failed: %s\n", strerror(errno));
}
}
while (ioctl(priv->video_fd, VIDIOCSYNC, &priv->buf[1].frame) < 0 &&
(errno == EAGAIN || errno == EINTR));
mp_dbg(MSGT_TV, MSGL_DBG3, "\npicture sync failed\n");
prev_interval = 0;
prev_skew = 0;
@ -1255,14 +1255,7 @@ static void *video_grabber(void *data)
}
frame = i;
nextframe = (i+1)%priv->nbuf;
if (ioctl(priv->video_fd, VIDIOCMCAPTURE, &priv->buf[nextframe]) == -1)
{
mp_msg(MSGT_TV, MSGL_ERR, "\nioctl mcapture failed: %s\n", strerror(errno));
continue;
}
while (ioctl(priv->video_fd, VIDIOCSYNC, &priv->buf[frame].frame) < 0 &&
(errno == EAGAIN || errno == EINTR));
mp_dbg(MSGT_TV, MSGL_DBG3, "\npicture sync failed\n");
@ -1355,6 +1348,12 @@ static void *video_grabber(void *data)
priv->video_cnt++;
}
if (ioctl(priv->video_fd, VIDIOCMCAPTURE, &priv->buf[frame]) == -1)
{
mp_msg(MSGT_TV, MSGL_ERR, "\nioctl mcapture failed: %s\n", strerror(errno));
continue;
}
}
}