static int
set_station_by_step (struct pvr_t *pvr, int step, int v4lAction)
{
if (!pvr || !pvr->stationlist.list)
return -1;
if (pvr->stationlist.enabled >= abs (step))
{
int gotcha = 0;
int chidx = pvr->chan_idx + step;
while (!gotcha)
{
chidx = (chidx + pvr->stationlist.used) % pvr->stationlist.used;
mp_msg (MSGT_OPEN, MSGL_DBG2,
"%s Offset switch: current %d, enabled %d, step %d -> %d\n",
LOG_LEVEL_V4L2, pvr->chan_idx,
pvr->stationlist.enabled, step, chidx);
if (!pvr->stationlist.list[chidx].enabled)
{
mp_msg (MSGT_OPEN, MSGL_DBG2,
"%s Switch disabled to user station channel: %8s - freq: %8d - station: %s\n", LOG_LEVEL_V4L2,
pvr->stationlist.list[chidx].name,
pvr->stationlist.list[chidx].freq,
pvr->stationlist.list[chidx].station);
chidx += FFSIGN (step);
}
else
gotcha = 1;
}
pvr->freq = pvr->stationlist.list[chidx].freq;
pvr->chan_idx_last = pvr->chan_idx;
pvr->chan_idx = chidx;
mp_msg (MSGT_OPEN, MSGL_INFO,
"%s Switch to user station channel: %8s - freq: %8d - station: %s\n", LOG_LEVEL_V4L2,
pvr->stationlist.list[chidx].name,
pvr->stationlist.list[chidx].freq,
pvr->stationlist.list[chidx].station);
if (v4lAction)
return set_v4l2_freq (pvr);
return (pvr->freq > 0) ? 0 : -1;
}
mp_msg (MSGT_OPEN, MSGL_ERR,
"%s Ooops couldn't set freq by channel entry step %d to current %d, enabled %d\n", LOG_LEVEL_V4L2,
step, pvr->chan_idx, pvr->stationlist.enabled);
return -1;
}
static int
force_freq_step (struct pvr_t *pvr, int step)
{
int freq;
if (!pvr)
return -1;
freq = pvr->freq+step;
if (freq)
{
MP_INFO(pvr, "%s Force Frequency %d + %d = %d \n", LOG_LEVEL_V4L2,
pvr->freq, step, freq);
pvr->freq = freq;
return set_v4l2_freq (pvr);
}
return -1;
}
static int
set_station_by_channelname_or_freq (struct pvr_t *pvr, const char *channel,
int freq, int v4lAction)
{
int i = 0;
if (!pvr || !pvr->stationlist.list)
return -1;
if (0 >= pvr->stationlist.enabled)
{
mp_msg (MSGT_OPEN, MSGL_WARN,
"%s No enabled station, cannot switch channel/frequency\n",
LOG_LEVEL_V4L2);
return -1;
}
if (channel)
{
/* select by channel */
for (i = 0; i < pvr->stationlist.used ; i++)
{
if (!strcasecmp (pvr->stationlist.list[i].name, channel))
{
if (!pvr->stationlist.list[i].enabled)
{
mp_msg (MSGT_OPEN, MSGL_WARN,
"%s Switch disabled to user station channel: %8s - freq: %8d - station: %s\n", LOG_LEVEL_V4L2,
pvr->stationlist.list[i].name,
pvr->stationlist.list[i].freq,
pvr->stationlist.list[i].station);
return -1;
}
pvr->freq = pvr->stationlist.list[i].freq;
pvr->chan_idx_last = pvr->chan_idx;
pvr->chan_idx = i;
break;
}
}
}
else if (freq >= 0)
{
/* select by freq */
for (i = 0; i < pvr->stationlist.used; i++)
{
if (pvr->stationlist.list[i].freq == freq)
{
if (!pvr->stationlist.list[i].enabled)
{
mp_msg (MSGT_OPEN, MSGL_WARN,
"%s Switch disabled to user station channel: %8s - freq: %8d - station: %s\n", LOG_LEVEL_V4L2,
pvr->stationlist.list[i].name,
pvr->stationlist.list[i].freq,
pvr->stationlist.list[i].station);
return -1;
}
pvr->freq = pvr->stationlist.list[i].freq;
pvr->chan_idx_last = pvr->chan_idx;
pvr->chan_idx = i;
break;
}
}
}
if (i >= pvr->stationlist.used)
{
if (channel)
mp_msg (MSGT_OPEN, MSGL_WARN,
"%s unable to find channel %s\n", LOG_LEVEL_V4L2, channel);
else
mp_msg (MSGT_OPEN, MSGL_WARN,
"%s unable to find frequency %d\n", LOG_LEVEL_V4L2, freq);
return -1;
}
mp_msg (MSGT_OPEN, MSGL_INFO,
"%s Switch to user station channel: %8s - freq: %8d - station: %s\n", LOG_LEVEL_V4L2,
pvr->stationlist.list[i].name,
pvr->stationlist.list[i].freq,
pvr->stationlist.list[i].station);
if (v4lAction)
return set_v4l2_freq (pvr);
return (pvr->freq > 0) ? 0 : -1;
}
static int
set_v4l2_settings (struct pvr_t *pvr)
{
if (!pvr)
return -1;
if (pvr->dev_fd < 0)
return -1;
/* -tv noaudio */
if (pvr->mute)
{
struct v4l2_control ctrl;
ctrl.id = V4L2_CID_AUDIO_MUTE;
ctrl.value = 1;
if (ioctl (pvr->dev_fd, VIDIOC_S_CTRL, &ctrl) < 0)
{
mp_msg (MSGT_OPEN, MSGL_ERR,
"%s can't mute (%s).\n", LOG_LEVEL_V4L2, strerror (errno));
return -1;
}
}
/* -tv input=x */
if (pvr->input != 0)
{
if (ioctl (pvr->dev_fd, VIDIOC_S_INPUT, &pvr->input) < 0)
{
mp_msg (MSGT_OPEN, MSGL_ERR,
"%s can't set input (%s)\n", LOG_LEVEL_V4L2, strerror (errno));
return -1;
}
}
/* -tv normid=x */
if (pvr->normid != -1)
{
struct v4l2_standard std;
std.index = pvr->normid;
if (ioctl (pvr->dev_fd, VIDIOC_ENUMSTD, &std) < 0)
{
mp_msg (MSGT_OPEN, MSGL_ERR,
"%s can't set norm (%s)\n", LOG_LEVEL_V4L2, strerror (errno));
return -1;
}
mp_msg (MSGT_OPEN, MSGL_V,
"%s set norm to %s\n", LOG_LEVEL_V4L2, std.name);
if (ioctl (pvr->dev_fd, VIDIOC_S_STD, &std.id) < 0)
{
mp_msg (MSGT_OPEN, MSGL_ERR,
"%s can't set norm (%s)\n", LOG_LEVEL_V4L2, strerror (errno));
return -1;
}
}
/* -tv brightness=x */
if (pvr->brightness != 0)
{
struct v4l2_control ctrl;
ctrl.id = V4L2_CID_BRIGHTNESS;
ctrl.value = pvr->brightness;
if (ctrl.value < 0)
ctrl.value = 0;
if (ctrl.value > 255)
ctrl.value = 255;
if (ioctl (pvr->dev_fd, VIDIOC_S_CTRL, &ctrl) < 0)
{
mp_msg (MSGT_OPEN, MSGL_ERR,
"%s can't set brightness to %d (%s).\n",
LOG_LEVEL_V4L2, ctrl.value, strerror (errno));
return -1;
}
}
/* -tv contrast=x */
if (pvr->contrast != 0)
{
struct v4l2_control ctrl;
ctrl.id = V4L2_CID_CONTRAST;
ctrl.value = pvr->contrast;
if (ctrl.value < 0)
ctrl.value = 0;
if (ctrl.value > 127)
ctrl.value = 127;
if (ioctl (pvr->dev_fd, VIDIOC_S_CTRL, &ctrl) < 0)
{
mp_msg (MSGT_OPEN, MSGL_ERR,
"%s can't set contrast to %d (%s).\n",
LOG_LEVEL_V4L2, ctrl.value, strerror (errno));
return -1;
}
}
/* -tv hue=x */
if (pvr->hue != 0)
{
struct v4l2_control ctrl;
ctrl.id = V4L2_CID_HUE;
ctrl.value = pvr->hue;
if (ctrl.value < -128)
ctrl.value = -128;
if (ctrl.value > 127)
ctrl.value = 127;
if (ioctl (pvr->dev_fd, VIDIOC_S_CTRL, &ctrl) < 0)
{
mp_msg (MSGT_OPEN, MSGL_ERR,
"%s can't set hue to %d (%s).\n",
LOG_LEVEL_V4L2, ctrl.value, strerror (errno));
return -1;
}
}
/* -tv saturation=x */
if (pvr->saturation != 0)
{
struct v4l2_control ctrl;
ctrl.id = V4L2_CID_SATURATION;
ctrl.value = pvr->saturation;
if (ctrl.value < 0)
ctrl.value = 0;
if (ctrl.value > 127)
ctrl.value = 127;
if (ioctl (pvr->dev_fd, VIDIOC_S_CTRL, &ctrl) < 0)
{
mp_msg (MSGT_OPEN, MSGL_ERR,
"%s can't set saturation to %d (%s).\n",
LOG_LEVEL_V4L2, ctrl.value, strerror (errno));
return -1;
}
}
/* -tv width=x:height=y */
if (pvr->width && pvr->height)
{
struct v4l2_format vfmt;
vfmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
vfmt.fmt.pix.width = pvr->width;
vfmt.fmt.pix.height = pvr->height;
if (ioctl (pvr->dev_fd, VIDIOC_S_FMT, &vfmt) < 0)
{
mp_msg (MSGT_OPEN, MSGL_ERR,
"%s can't set resolution to %dx%d (%s).\n",
LOG_LEVEL_V4L2, pvr->width, pvr->height, strerror (errno));
return -1;
}
}
if (pvr->freq < 0)
{
int freq = get_v4l2_freq (pvr);
mp_msg (MSGT_OPEN, MSGL_INFO,
"%s Using current set frequency %d, to set channel\n",
LOG_LEVEL_V4L2, freq);
if (0 < freq)
return set_station_by_channelname_or_freq (pvr, NULL, freq, 1);
}
if (0 < pvr->freq)
return set_v4l2_freq (pvr) ;
return 0;
}