int tv_step_channel_real(tvi_handle_t *tvh, int direction)
{
struct CHANLIST cl;
tvh->tv_param->scan=0;
if (direction == TV_CHANNEL_LOWER)
{
if (tvh->channel-1 >= 0)
{
strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
cl = tvh->chanlist_s[--tvh->channel];
mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel2,
cl.name, cl.freq/1000.0);
tv_set_freq_float(tvh, cl.freq);
}
}
if (direction == TV_CHANNEL_HIGHER)
{
if (tvh->channel+1 < chanlists[tvh->chanlist].count)
{
strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
cl = tvh->chanlist_s[++tvh->channel];
mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel2,
cl.name, cl.freq/1000.0);
tv_set_freq_float(tvh, cl.freq);
}
}
return 1;
}
static void set_norm_and_freq(tvi_handle_t *tvh, tv_channels_t *chan)
{
mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel3, chan->number,
chan->name, chan->freq/1000.0);
tv_set_norm_i(tvh, chan->norm);
tv_set_freq_float(tvh, chan->freq);
}
int tv_last_channel(tvi_handle_t *tvh) {
tvh->tv_param->scan=0;
if (tv_channel_list) {
tv_channels_t *tmp;
tmp = tv_channel_last;
tv_channel_last = tv_channel_current;
tv_channel_current = tmp;
set_norm_and_freq(tvh, tv_channel_current);
} else {
int i;
struct CHANLIST cl;
for (i = 0; i < chanlists[tvh->chanlist].count; i++)
{
cl = tvh->chanlist_s[i];
if (!strcasecmp(cl.name, tv_channel_last_real))
{
strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].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;
}
}
}
return 1;
}
static void set_norm_and_freq(tvi_handle_t *tvh, tv_channels_t *chan)
{
MP_INFO(tvh, "Selected channel: %s - %s (freq: %.3f)\n",
chan->number, chan->name, chan->freq/1000.0);
tv_set_norm_i(tvh, chan->norm);
tv_set_freq_float(tvh, chan->freq);
}
int tv_set_channel_real(tvi_handle_t *tvh, char *channel) {
int i;
struct CHANLIST cl;
tvh->tv_param->scan=0;
strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
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, channel))
{
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;
}
}
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[] = {
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 void tv_scan(tvi_handle_t *tvh)
{
unsigned int now;
struct CHANLIST cl;
tv_channels_t *tv_channel_tmp=NULL;
tv_channels_t *tv_channel_add=NULL;
tv_scan_t* scan;
int found=0, index=1;
//Channel scanner without tuner is useless and causes crash due to uninitialized chanlist_s
if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE)
{
mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_ScannerNotAvailableWithoutTuner);
tvh->tv_param->scan=0;
return;
}
scan = tvh->scan;
now=GetTimer();
if (!scan) {
scan=calloc(1,sizeof(tv_scan_t));
tvh->scan=scan;
cl = tvh->chanlist_s[scan->channel_num];
tv_set_freq_float(tvh, cl.freq);
scan->scan_timer=now+1e6*tvh->tv_param->scan_period;
}
if(scan->scan_timer>now)
return;
if (tv_get_signal(tvh)>tvh->tv_param->scan_threshold) {
cl = tvh->chanlist_s[scan->channel_num];
tv_channel_tmp=tv_channel_list;
while (tv_channel_tmp) {
index++;
if (cl.freq==tv_channel_tmp->freq) {
found=1;
break;
}
tv_channel_add=tv_channel_tmp;
tv_channel_tmp=tv_channel_tmp->next;
}
if (!found) {
mp_msg(MSGT_TV, MSGL_INFO, "Found new channel: %s (#%d). \n",cl.name,index);
scan->new_channels++;
tv_channel_tmp = malloc(sizeof(tv_channels_t));
tv_channel_tmp->index=index;
tv_channel_tmp->next=NULL;
tv_channel_tmp->prev=tv_channel_add;
tv_channel_tmp->freq=cl.freq;
snprintf(tv_channel_tmp->name,sizeof(tv_channel_tmp->name),"ch%d",index);
strncpy(tv_channel_tmp->number, cl.name, 5);
tv_channel_tmp->number[4]='\0';
if (!tv_channel_list)
tv_channel_list=tv_channel_tmp;
else {
tv_channel_add->next=tv_channel_tmp;
tv_channel_list->prev=tv_channel_tmp;
}
} else
mp_msg(MSGT_TV, MSGL_INFO, "Found existing channel: %s-%s.\n",
tv_channel_tmp->number,tv_channel_tmp->name);
}
scan->channel_num++;
scan->scan_timer=now+1e6*tvh->tv_param->scan_period;
if (scan->channel_num>=chanlists[tvh->chanlist].count) {
tvh->tv_param->scan=0;
mp_msg(MSGT_TV, MSGL_INFO, "TV scan end. Found %d new channels.\n", scan->new_channels);
tv_channel_tmp=tv_channel_list;
if(tv_channel_tmp) {
mp_msg(MSGT_TV,MSGL_INFO,"channels=");
while(tv_channel_tmp) {
mp_msg(MSGT_TV,MSGL_INFO,"%s-%s",tv_channel_tmp->number,tv_channel_tmp->name);
if(tv_channel_tmp->next)
mp_msg(MSGT_TV,MSGL_INFO,",");
tv_channel_tmp=tv_channel_tmp->next;
}
mp_msg(MSGT_TV, MSGL_INFO, "\n");
}
if (!tv_channel_current) tv_channel_current=tv_channel_list;
if (tv_channel_current)
tv_set_freq_float(tvh, tv_channel_current->freq);
free(tvh->scan);
tvh->scan=NULL;
} else {
cl = tvh->chanlist_s[scan->channel_num];
tv_set_freq_float(tvh, cl.freq);
mp_msg(MSGT_TV, MSGL_INFO, "Trying: %s (%.2f). \n",cl.name,1e-3*cl.freq);
}
}
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;
}
