/*****************************************************************
* \brief tune current frequency by step_interval value
* \parameter step_interval increment value in 1/16 MHz
* \note frequency is rounded to 1/16 MHz value
* \return 1
*
*/
int tv_step_freq(tvi_handle_t* tvh, float step_interval) {
unsigned long frequency;
tvh->tv_param->scan=0;
tv_get_freq(tvh,&frequency);
frequency+=step_interval;
return tv_set_freq(tvh,frequency);
}
int tv_stream_control(tvi_handle_t *tvh, int cmd, void *arg)
{
switch (cmd) {
case STREAM_CTRL_TV_SET_SCAN:
tv_start_scan(tvh, *(int *)arg);
return STREAM_OK;
case STREAM_CTRL_SET_TV_FREQ:
tv_set_freq(tvh, *(float *)arg * 16.0f);
return STREAM_OK;
case STREAM_CTRL_GET_TV_FREQ: {
unsigned long tmp = 0;
tv_get_freq(tvh, &tmp);
*(float *)arg = tmp / 16.0f;
return STREAM_OK;
}
case STREAM_CTRL_SET_TV_COLORS:
tv_set_color_options(tvh, ((int *)arg)[0], ((int *)arg)[1]);
return STREAM_OK;
case STREAM_CTRL_GET_TV_COLORS:
tv_get_color_options(tvh, ((int *)arg)[0], &((int *)arg)[1]);
return STREAM_OK;
case STREAM_CTRL_TV_SET_NORM:
tv_set_norm(tvh, (char *)arg);
return STREAM_OK;
case STREAM_CTRL_TV_STEP_NORM:
tv_step_norm(tvh);
return STREAM_OK;
case STREAM_CTRL_TV_SET_CHAN:
tv_set_channel(tvh, (char *)arg);
return STREAM_OK;
case STREAM_CTRL_TV_STEP_CHAN:
if (*(int *)arg >= 0) {
tv_step_channel(tvh, TV_CHANNEL_HIGHER);
} else {
tv_step_channel(tvh, TV_CHANNEL_LOWER);
}
return STREAM_OK;
case STREAM_CTRL_TV_LAST_CHAN:
tv_last_channel(tvh);
return STREAM_OK;
}
return STREAM_UNSUPPORTED;
}
static int open_tv(tvi_handle_t *tvh)
{
int i;
const tvi_functions_t *funcs = tvh->functions;
static const int tv_fmt_list[] = {
IMGFMT_YV12,
IMGFMT_I420,
IMGFMT_UYVY,
IMGFMT_YUY2,
IMGFMT_RGB32,
IMGFMT_RGB24,
IMGFMT_RGB16,
IMGFMT_RGB15
};
if (funcs->control(tvh->priv, TVI_CONTROL_IS_VIDEO, 0) != TVI_CONTROL_TRUE)
{
mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_NoVideoInputPresent);
return 0;
}
if (tvh->tv_param->outfmt == -1)
for (i = 0; i < sizeof (tv_fmt_list) / sizeof (*tv_fmt_list); i++)
{
tvh->tv_param->outfmt = tv_fmt_list[i];
if (funcs->control (tvh->priv, TVI_CONTROL_VID_SET_FORMAT,
&tvh->tv_param->outfmt) == TVI_CONTROL_TRUE)
break;
}
else
{
switch(tvh->tv_param->outfmt)
{
case IMGFMT_YV12:
case IMGFMT_I420:
case IMGFMT_UYVY:
case IMGFMT_YUY2:
case IMGFMT_RGB32:
case IMGFMT_RGB24:
case IMGFMT_BGR32:
case IMGFMT_BGR24:
case IMGFMT_BGR16:
case IMGFMT_BGR15:
break;
default:
mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_UnknownImageFormat,tvh->tv_param->outfmt);
}
funcs->control(tvh->priv, TVI_CONTROL_VID_SET_FORMAT, &tvh->tv_param->outfmt);
}
/* set some params got from cmdline */
funcs->control(tvh->priv, TVI_CONTROL_SPC_SET_INPUT, &tvh->tv_param->input);
#if defined(CONFIG_TV_V4L2) || defined(CONFIG_TV_DSHOW)
if (0
#ifdef CONFIG_TV_V4L2
|| (!strcmp(tvh->tv_param->driver, "v4l2") && tvh->tv_param->normid >= 0)
#endif
#ifdef CONFIG_TV_DSHOW
|| (!strcmp(tvh->tv_param->driver, "dshow") && tvh->tv_param->normid >= 0)
#endif
)
tv_set_norm_i(tvh, tvh->tv_param->normid);
else
#endif
tv_set_norm(tvh,tvh->tv_param->norm);
#ifdef CONFIG_TV_V4L1
if ( tvh->tv_param->mjpeg )
{
/* set width to expected value */
if (tvh->tv_param->width == -1)
{
tvh->tv_param->width = 704/tvh->tv_param->decimation;
}
if (tvh->tv_param->height == -1)
{
if ( tvh->norm != TV_NORM_NTSC )
tvh->tv_param->height = 576/tvh->tv_param->decimation;
else
tvh->tv_param->height = 480/tvh->tv_param->decimation;
}
mp_msg(MSGT_TV, MSGL_INFO,
MSGTR_TV_MJP_WidthHeight, tvh->tv_param->width, tvh->tv_param->height);
}
#endif
/* limits on w&h are norm-dependent -- JM */
if (tvh->tv_param->width != -1 && tvh->tv_param->height != -1) {
// first tell the driver both width and height, some drivers do not support setting them independently.
int dim[2];
dim[0] = tvh->tv_param->width;
dim[1] = tvh->tv_param->height;
funcs->control(tvh->priv, TVI_CONTROL_VID_SET_WIDTH_HEIGHT, dim);
}
/* set width */
if (tvh->tv_param->width != -1)
{
if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_WIDTH, &tvh->tv_param->width) == TVI_CONTROL_TRUE)
funcs->control(tvh->priv, TVI_CONTROL_VID_SET_WIDTH, &tvh->tv_param->width);
else
{
mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_UnableToSetWidth, tvh->tv_param->width);
funcs->control(tvh->priv, TVI_CONTROL_VID_GET_WIDTH, &tvh->tv_param->width);
}
}
/* set height */
if (tvh->tv_param->height != -1)
{
if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_HEIGHT, &tvh->tv_param->height) == TVI_CONTROL_TRUE)
funcs->control(tvh->priv, TVI_CONTROL_VID_SET_HEIGHT, &tvh->tv_param->height);
else
{
mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_UnableToSetHeight, tvh->tv_param->height);
funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HEIGHT, &tvh->tv_param->height);
}
}
if (funcs->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE)
{
mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_NoTuner);
goto done;
}
/* select channel list */
for (i = 0; chanlists[i].name != NULL; i++)
{
if (!strcasecmp(chanlists[i].name, tvh->tv_param->chanlist))
{
tvh->chanlist = i;
tvh->chanlist_s = chanlists[i].list;
break;
}
}
if (tvh->chanlist == -1) {
mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_UnableFindChanlist,
tvh->tv_param->chanlist);
return 0;
} else
mp_msg(MSGT_TV, MSGL_V, "Selected channel list: %s (including %d channels)\n",
chanlists[tvh->chanlist].name, chanlists[tvh->chanlist].count);
if (tvh->tv_param->freq && tvh->tv_param->channel)
{
mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_ChannelFreqParamConflict);
goto done;
}
/* Handle channel names */
if (tvh->tv_param->channels) {
parse_channels(tvh);
} else
tv_channel_last_real = malloc(5);
if (tv_channel_list) {
int i;
int channel = 0;
if (tvh->tv_param->channel)
{
if (isdigit(*tvh->tv_param->channel))
/* if tvh->tv_param->channel begins with a digit interpret it as a number */
channel = atoi(tvh->tv_param->channel);
else
{
/* if tvh->tv_param->channel does not begin with a digit
set the first channel that contains tvh->tv_param->channel in its name */
tv_channel_current = tv_channel_list;
while ( tv_channel_current ) {
if ( strstr(tv_channel_current->name, tvh->tv_param->channel) )
break;
tv_channel_current = tv_channel_current->next;
}
if ( !tv_channel_current ) tv_channel_current = tv_channel_list;
}
}
else
channel = 1;
if ( channel ) {
tv_channel_current = tv_channel_list;
for (i = 1; i < channel; i++)
if (tv_channel_current->next)
tv_channel_current = tv_channel_current->next;
}
set_norm_and_freq(tvh, tv_channel_current);
tv_channel_last = tv_channel_current;
} else {
/* we need to set frequency */
if (tvh->tv_param->freq)
{
unsigned long freq = atof(tvh->tv_param->freq)*16;
/* set freq in MHz */
funcs->control(tvh->priv, TVI_CONTROL_TUN_SET_FREQ, &freq);
funcs->control(tvh->priv, TVI_CONTROL_TUN_GET_FREQ, &freq);
mp_msg(MSGT_TV, MSGL_V, "Selected frequency: %lu (%.3f)\n",
freq, freq/16.0);
}
if (tvh->tv_param->channel) {
struct CHANLIST cl;
mp_msg(MSGT_TV, MSGL_V, "Requested channel: %s\n", tvh->tv_param->channel);
for (i = 0; i < chanlists[tvh->chanlist].count; i++)
{
cl = tvh->chanlist_s[i];
// printf("count%d: name: %s, freq: %d\n",
// i, cl.name, cl.freq);
if (!strcasecmp(cl.name, tvh->tv_param->channel))
{
strcpy(tv_channel_last_real, cl.name);
tvh->channel = i;
mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel2,
cl.name, cl.freq/1000.0);
tv_set_freq_float(tvh, cl.freq);
break;
}
}
}
}
/* grep frequency in chanlist */
{
unsigned long i2;
int freq;
tv_get_freq(tvh, &i2);
freq = (int) (((float)(i2/16))*1000)+250;
for (i = 0; i < chanlists[tvh->chanlist].count; i++)
{
if (tvh->chanlist_s[i].freq == freq)
{
tvh->channel = i+1;
break;
}
}
}
done:
/* also start device! */
return 1;
}
static int open_tv(tvi_handle_t *tvh)
{
int i;
const tvi_functions_t *funcs = tvh->functions;
static const int tv_fmt_list[] = {
MP_FOURCC_YV12,
MP_FOURCC_I420,
MP_FOURCC_UYVY,
MP_FOURCC_YUY2,
MP_FOURCC_RGB32,
MP_FOURCC_RGB24,
MP_FOURCC_RGB16,
MP_FOURCC_RGB15
};
if (funcs->control(tvh->priv, TVI_CONTROL_IS_VIDEO, 0) != TVI_CONTROL_TRUE)
{
MP_ERR(tvh, "Error: No video input present!\n");
return 0;
}
if (tvh->tv_param->outfmt == -1)
for (i = 0; i < sizeof (tv_fmt_list) / sizeof (*tv_fmt_list); i++)
{
tvh->tv_param->outfmt = tv_fmt_list[i];
if (funcs->control (tvh->priv, TVI_CONTROL_VID_SET_FORMAT,
&tvh->tv_param->outfmt) == TVI_CONTROL_TRUE)
break;
}
else
{
switch(tvh->tv_param->outfmt)
{
case MP_FOURCC_YV12:
case MP_FOURCC_I420:
case MP_FOURCC_UYVY:
case MP_FOURCC_YUY2:
case MP_FOURCC_RGB32:
case MP_FOURCC_RGB24:
case MP_FOURCC_BGR32:
case MP_FOURCC_BGR24:
case MP_FOURCC_BGR16:
case MP_FOURCC_BGR15:
break;
default:
MP_ERR(tvh, "==================================================================\n"\
" WARNING: UNTESTED OR UNKNOWN OUTPUT IMAGE FORMAT REQUESTED (0x%x)\n"\
" This may cause buggy playback or program crash! Bug reports will\n"\
" be ignored! You should try again with YV12 (which is the default\n"\
" colorspace) and read the documentation!\n"\
"==================================================================\n"
,tvh->tv_param->outfmt);
}
funcs->control(tvh->priv, TVI_CONTROL_VID_SET_FORMAT, &tvh->tv_param->outfmt);
}
/* set some params got from cmdline */
funcs->control(tvh->priv, TVI_CONTROL_SPC_SET_INPUT, &tvh->tv_param->input);
if ((!strcmp(tvh->tv_param->driver, "v4l2") && tvh->tv_param->normid >= 0))
tv_set_norm_i(tvh, tvh->tv_param->normid);
else
tv_set_norm(tvh,tvh->tv_param->norm);
/* limits on w&h are norm-dependent -- JM */
if (tvh->tv_param->width != -1 && tvh->tv_param->height != -1) {
// first tell the driver both width and height, some drivers do not support setting them independently.
int dim[2];
dim[0] = tvh->tv_param->width; dim[1] = tvh->tv_param->height;
funcs->control(tvh->priv, TVI_CONTROL_VID_SET_WIDTH_HEIGHT, dim);
}
/* set width */
if (tvh->tv_param->width != -1)
{
if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_WIDTH, &tvh->tv_param->width) == TVI_CONTROL_TRUE)
funcs->control(tvh->priv, TVI_CONTROL_VID_SET_WIDTH, &tvh->tv_param->width);
else
{
MP_ERR(tvh, "Unable to set requested width: %d\n", tvh->tv_param->width);
funcs->control(tvh->priv, TVI_CONTROL_VID_GET_WIDTH, &tvh->tv_param->width);
}
}
/* set height */
if (tvh->tv_param->height != -1)
{
if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_HEIGHT, &tvh->tv_param->height) == TVI_CONTROL_TRUE)
funcs->control(tvh->priv, TVI_CONTROL_VID_SET_HEIGHT, &tvh->tv_param->height);
else
{
MP_ERR(tvh, "Unable to set requested height: %d\n", tvh->tv_param->height);
funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HEIGHT, &tvh->tv_param->height);
}
}
if (funcs->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE)
{
MP_WARN(tvh, "Selected input hasn't got a tuner!\n");
goto done;
}
/* select channel list */
for (i = 0; chanlists[i].name != NULL; i++)
{
if (!strcasecmp(chanlists[i].name, tvh->tv_param->chanlist))
{
tvh->chanlist = i;
tvh->chanlist_s = chanlists[i].list;
break;
}
}
if (tvh->chanlist == -1) {
MP_WARN(tvh, "Unable to find selected channel list! (%s)\n",
tvh->tv_param->chanlist);
return 0;
} else
MP_VERBOSE(tvh, "Selected channel list: %s (including %d channels)\n",
chanlists[tvh->chanlist].name, chanlists[tvh->chanlist].count);
if (tvh->tv_param->freq && tvh->tv_param->channel)
{
MP_WARN(tvh, "You can't set frequency and channel simultaneously!\n");
goto done;
}
/* Handle channel names */
if (tvh->tv_param->channels) {
parse_channels(tvh);
} else
tv_channel_last_real = malloc(5);
if (tv_channel_list) {
int channel = 0;
if (tvh->tv_param->channel)
{
if (isdigit(*tvh->tv_param->channel))
/* if tvh->tv_param->channel begins with a digit interpret it as a number */
channel = atoi(tvh->tv_param->channel);
else
{
/* if tvh->tv_param->channel does not begin with a digit
set the first channel that contains tvh->tv_param->channel in its name */
tv_channel_current = tv_channel_list;
while ( tv_channel_current ) {
if ( strstr(tv_channel_current->name, tvh->tv_param->channel) )
break;
tv_channel_current = tv_channel_current->next;
}
if ( !tv_channel_current ) tv_channel_current = tv_channel_list;
}
}
else
channel = 1;
if ( channel ) {
tv_channel_current = tv_channel_list;
for (int n = 1; n < channel; n++)
if (tv_channel_current->next)
tv_channel_current = tv_channel_current->next;
}
set_norm_and_freq(tvh, tv_channel_current);
tv_channel_last = tv_channel_current;
} else {
/* we need to set frequency */
if (tvh->tv_param->freq)
{
unsigned long freq = atof(tvh->tv_param->freq)*16;
/* set freq in MHz */
funcs->control(tvh->priv, TVI_CONTROL_TUN_SET_FREQ, &freq);
funcs->control(tvh->priv, TVI_CONTROL_TUN_GET_FREQ, &freq);
MP_VERBOSE(tvh, "Selected frequency: %lu (%.3f)\n",
freq, freq/16.0);
}
if (tvh->tv_param->channel) {
struct CHANLIST cl;
MP_VERBOSE(tvh, "Requested channel: %s\n", tvh->tv_param->channel);
for (i = 0; i < chanlists[tvh->chanlist].count; i++)
{
cl = tvh->chanlist_s[i];
// printf("count%d: name: %s, freq: %d\n",
// i, cl.name, cl.freq);
if (!strcasecmp(cl.name, tvh->tv_param->channel))
{
strcpy(tv_channel_last_real, cl.name);
tvh->channel = i;
MP_INFO(tvh, "Selected channel: %s (freq: %.3f)\n",
cl.name, cl.freq/1000.0);
tv_set_freq_float(tvh, cl.freq);
break;
}
}
}
}
/* grep frequency in chanlist */
{
unsigned long i2;
int freq;
tv_get_freq(tvh, &i2);
freq = (int) (((float)(i2/16))*1000)+250;
for (i = 0; i < chanlists[tvh->chanlist].count; i++)
{
if (tvh->chanlist_s[i].freq == freq)
{
tvh->channel = i+1;
break;
}
}
}
done:
/* also start device! */
return 1;
}
