diff options
Diffstat (limited to 'stream/tv.c')
| -rw-r--r-- | stream/tv.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/stream/tv.c b/stream/tv.c index 12d23895b9..ce1622b468 100644 --- a/stream/tv.c +++ b/stream/tv.c @@ -30,6 +30,7 @@ #include "libaf/af_format.h" #include "libmpcodecs/img_format.h" #include "libavutil/avstring.h" +#include "osdep/timer.h" #include "tv.h" @@ -65,6 +66,92 @@ static const tvi_info_t* tvi_driver_list[]={ NULL }; +void tv_start_scan(tvi_handle_t *tvh, int start) +{ + mp_msg(MSGT_TV,MSGL_INFO,"start scan\n"); + tvh->tv_param->scan=start?1:0; +} + +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; + + 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(tvh, (unsigned long)(((float)cl.freq/1000)*16)); + 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; + } + } + if (!tv_channel_current) tv_channel_current=tv_channel_list; + if (tv_channel_current) + tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16)); + free(tvh->scan); + tvh->scan=NULL; + }else{ + cl = tvh->chanlist_s[scan->channel_num]; + tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16)); + mp_msg(MSGT_TV, MSGL_INFO, "Trying: %s (%.2f). \n",cl.name,1e-3*cl.freq); + } +} /* ================== DEMUX_TV ===================== */ /* @@ -106,6 +193,7 @@ static int demux_tv_fill_buffer(demuxer_t *demux, demux_stream_t *ds) ds_add_packet(demux->video,dp); } + if (tvh->tv_param->scan) tv_scan(tvh); return 1; } @@ -738,6 +826,16 @@ int tv_set_freq(tvi_handle_t *tvh, unsigned long freq) return(1); } +int tv_get_signal(tvi_handle_t *tvh) +{ + int signal=0; + if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE || + tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_GET_SIGNAL, &signal)!=TVI_CONTROL_TRUE) + return 0; + + return signal; +} + /***************************************************************** * \brief tune current frequency by step_interval value * \parameter step_interval increment value in 1/16 MHz @@ -748,6 +846,7 @@ int tv_set_freq(tvi_handle_t *tvh, unsigned long freq) 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); @@ -757,6 +856,7 @@ 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) @@ -784,6 +884,7 @@ int tv_step_channel_real(tvi_handle_t *tvh, int direction) } int tv_step_channel(tvi_handle_t *tvh, int direction) { + tvh->tv_param->scan=0; if (tv_channel_list) { if (direction == TV_CHANNEL_HIGHER) { tv_channel_last = tv_channel_current; @@ -814,6 +915,7 @@ 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++) { @@ -835,6 +937,7 @@ int tv_set_channel_real(tvi_handle_t *tvh, char *channel) { int tv_set_channel(tvi_handle_t *tvh, char *channel) { int i, channel_int; + tvh->tv_param->scan=0; if (tv_channel_list) { tv_channel_last = tv_channel_current; channel_int = atoi(channel); @@ -851,6 +954,7 @@ int tv_set_channel(tvi_handle_t *tvh, char *channel) { int tv_last_channel(tvi_handle_t *tvh) { + tvh->tv_param->scan=0; if (tv_channel_list) { tv_channels_t *tmp; |