From c9b485e94c21f5b43b762aa0cf21c8f753152e1f Mon Sep 17 00:00:00 2001 From: voroshil Date: Sat, 18 Nov 2006 06:53:33 +0000 Subject: Add *BSD BT848 radio support git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@21001 b3059339-0415-0410-9bf9-f77b7e298cf2 --- stream/stream_radio.c | 153 +++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 152 insertions(+), 1 deletion(-) (limited to 'stream/stream_radio.c') diff --git a/stream/stream_radio.c b/stream/stream_radio.c index 6010bf12f3..bb19aa4fd7 100644 --- a/stream/stream_radio.c +++ b/stream/stream_radio.c @@ -33,6 +33,13 @@ #include #include #include + +#ifdef RADIO_BSDBT848_HDR +#include +#include RADIO_BSDBT848_HDR + +#else // RADIO_BSDBT848_HDR + #include #ifdef HAVE_RADIO_V4L2 @@ -44,6 +51,7 @@ #warning "V4L is deprecated and will be removed in future" #endif +#endif // !RADIO_BSDBT848_HDR #include "stream.h" @@ -72,6 +80,7 @@ #define RADIO_DRIVER_UNKNOWN 0 #define RADIO_DRIVER_V4L 1 #define RADIO_DRIVER_V4L2 2 +#define RADIO_DRIVER_BSDBT848 3 typedef struct radio_channels_s { int index; ///< channel index in channels list @@ -81,8 +90,17 @@ typedef struct radio_channels_s { struct radio_channels_s * prev; } radio_channels_t; +#ifdef RADIO_BSDBT848_HDR +/** (device,string, "/dev/tuner0") name of radio device file */ +char* radio_param_device="/dev/tuner0"; +/** radio_param_freq_min (freq_min,float,87.5) minimal allowed frequency */ +float radio_param_freq_min=87.50; +/** radio_param_freq_min (freq_min,float,108.0) maximal allowed frequency */ +float radio_param_freq_max=108.00; +#else /** (device,string, "/dev/radio0") name of radio device file */ char* radio_param_device="/dev/radio0"; +#endif /** (driver,string, "v4l2") radio driver (v4l,v4l2) */ char* radio_param_driver="default"; /** radio_param_channels (channels,string,NULL) channels list (see man page) */ @@ -507,6 +525,106 @@ static int get_volume_v4l(radio_priv_t* priv,int* volume){ return STREAM_ERROR; } #endif //HAVE_RADIO_V4L +#ifdef RADIO_BSDBT848_HDR +/***************************************************************** + * \brief get fraction value for using in set_frequency and get_frequency + * \return STREAM_OK if success, STREAM_ERROR otherwise + * + * For *BSD BT848 frac=100 + * + * Here is a coment from FreeBSD 5.2-RELEASE source code: + * + * * Tuner Notes: + * * Programming the tuner properly is quite complicated. + * * Here are some notes, based on a FM1246 data sheet for a PAL-I tuner. + * * The tuner (front end) covers 45.75 MHz - 855.25 MHz and an FM band of + * * 87.5 MHz to 108.0 MHz. + * + * Thus, frequency range is limited to 87.5-108.0, but you can change + * it, using freq_min and freq_max options +*/ +static int init_frac_bsdbt848(radio_priv_t* priv){ + priv->frac=100; + priv->rangelow=radio_param_freq_min; + priv->rangehigh=radio_param_freq_max; + return STREAM_OK; +} + +/***************************************************************** + * \brief tune card to given frequency + * \param frequency frequency in MHz + * \return STREAM_OK if success, STREAM_ERROR otherwise + */ +static int set_frequency_bsdbt848(radio_priv_t* priv,float frequency){ + unsigned int freq; + freq=frequency*priv->frac; + if(ioctl(priv->radio_fd,RADIO_SETFREQ,&freq)<0){ + mp_msg(MSGT_RADIO,MSGL_ERR,MSGTR_RADIO_SetFreqFailed,freq, frequency, strerror(errno)); + return STREAM_ERROR; + } + return STREAM_OK; +} + +/***************************************************************** + * \brief get current tuned frequency from card + * \param frequency where to store frequency in MHz + * \return STREAM_OK if success, STREAM_ERROR otherwise + */ +static int get_frequency_bsdbt848(radio_priv_t* priv,float* frequency){ + unsigned int freq; + if (ioctl(priv->radio_fd, RADIO_GETFREQ, &freq) < 0) { + mp_msg(MSGT_RADIO,MSGL_ERR,MSGTR_RADIO_GetFreqFailed,strerror(errno)); + return STREAM_ERROR; + } + *frequency=((float)freq)/priv->frac; + return STREAM_OK; +} + +/***************************************************************** + * \brief set volume on radio card + * \param volume volume level (0..100) + * \return STREAM_OK if success, STREAM_ERROR otherwise + * + * *BSD BT848 does not have volume changing abilities, so + * we will just mute sound if volume=0 and unmute it otherwise. + */ +static void set_volume_bsdbt848(radio_priv_t* priv,int volume){ + int audio_flags; + + /*arg must be between 0 and 100*/ + if (volume > 100) volume = 100; + if (volume < 0) volume = 0; + + audio_flags = (volume==0?AUDIO_MUTE:AUDIO_UNMUTE); + if (ioctl(priv->radio_fd, BT848_SAUDIO, &audio_flags)<0){ + mp_msg(MSGT_RADIO,MSGL_WARN,MSGTR_RADIO_SetMuteFailed,strerror(errno)); + } +} + +/***************************************************************** + * \brief get current volume from radio card + * \param volume where to store volume level (0..100) + * \return previous STREAM_OK if success, STREAM_ERROR otherwise + * + * *BSD BT848 does not have volume changing abilities, so + * we will return 0 if sound is muted and 100 otherwise. + */ +static int get_volume_bsdbt848(radio_priv_t* priv,int* volume){ + int audio_flags; + + if (ioctl(priv->radio_fd, BT848_GAUDIO, &audio_flags)<0){ + mp_msg(MSGT_RADIO,MSGL_ERR,MSGTR_RADIO_GetVolumeFailed,strerror(errno)); + return STREAM_ERROR; + } + + if (audio_flags & AUDIO_MUTE) + *volume=0; + else + *volume=100; + + return STREAM_OK; +} +#endif //RADIO_BSDBT848_HDR static inline int init_frac(radio_priv_t* priv){ switch(priv->driver){ @@ -517,6 +635,10 @@ static inline int init_frac(radio_priv_t* priv){ #ifdef HAVE_RADIO_V4L2 case RADIO_DRIVER_V4L2: return init_frac_v4l2(priv); +#endif +#ifdef RADIO_BSDBT848_HDR + case RADIO_DRIVER_BSDBT848: + return init_frac_bsdbt848(priv); #endif } mp_msg(MSGT_RADIO,MSGL_ERR,MSGTR_RADIO_DriverUnknownId,priv->driver); @@ -539,6 +661,12 @@ static inline int set_frequency(radio_priv_t* priv,float frequency){ if(set_frequency_v4l2(priv,frequency)!=STREAM_OK) return STREAM_ERROR; break; +#endif +#ifdef RADIO_BSDBT848_HDR + case RADIO_DRIVER_BSDBT848: + if(set_frequency_bsdbt848(priv,frequency)!=STREAM_OK) + return STREAM_ERROR; + break; #endif default: mp_msg(MSGT_RADIO,MSGL_ERR,MSGTR_RADIO_DriverUnknownId,priv->driver); @@ -561,6 +689,10 @@ static inline int get_frequency(radio_priv_t* priv,float* frequency){ #ifdef HAVE_RADIO_V4L2 case RADIO_DRIVER_V4L2: return get_frequency_v4l2(priv,frequency); +#endif +#ifdef RADIO_BSDBT848_HDR + case RADIO_DRIVER_BSDBT848: + return get_frequency_bsdbt848(priv,frequency); #endif } mp_msg(MSGT_RADIO,MSGL_ERR,MSGTR_RADIO_DriverUnknownId,priv->driver); @@ -577,6 +709,11 @@ static inline void set_volume(radio_priv_t* priv,int volume){ case RADIO_DRIVER_V4L2: set_volume_v4l2(priv,volume); return; +#endif +#ifdef RADIO_BSDBT848_HDR + case RADIO_DRIVER_BSDBT848: + set_volume_bsdbt848(priv,volume); + return; #endif } mp_msg(MSGT_RADIO,MSGL_ERR,MSGTR_RADIO_DriverUnknownId,priv->driver); @@ -590,6 +727,10 @@ static inline int get_volume(radio_priv_t* priv,int* volume){ #ifdef HAVE_RADIO_V4L2 case RADIO_DRIVER_V4L2: return get_volume_v4l2(priv,volume); +#endif +#ifdef RADIO_BSDBT848_HDR + case RADIO_DRIVER_BSDBT848: + return get_volume_bsdbt848(priv,volume); #endif } mp_msg(MSGT_RADIO,MSGL_ERR,MSGTR_RADIO_DriverUnknownId,priv->driver); @@ -996,8 +1137,10 @@ static int open_s(stream_t *stream,int mode, void* opts, int* file_format) { if (strncmp(radio_param_driver,"default",7)==0) -#ifdef HAVE_RADIO_V4L2 +#if defined(HAVE_RADIO_V4L2) priv->driver=RADIO_DRIVER_V4L2; +#elif defined(RADIO_BSDBT848_HDR) + priv->driver=RADIO_DRIVER_BSDBT848; #else priv->driver=RADIO_DRIVER_V4L; #endif @@ -1011,6 +1154,11 @@ static int open_s(stream_t *stream,int mode, void* opts, int* file_format) { if (strncmp(radio_param_driver,"v4l",3)==0) priv->driver=RADIO_DRIVER_V4L; else +#endif +#ifdef RADIO_BSDBT848_HDR + if (strncmp(radio_param_driver,"bsdbt848",8)==0) + priv->driver=RADIO_DRIVER_BSDBT848; + else #endif priv->driver=RADIO_DRIVER_UNKNOWN; @@ -1022,6 +1170,9 @@ static int open_s(stream_t *stream,int mode, void* opts, int* file_format) { case RADIO_DRIVER_V4L2: mp_msg(MSGT_RADIO, MSGL_INFO, MSGTR_RADIO_DriverV4L2); break; + case RADIO_DRIVER_BSDBT848: + mp_msg(MSGT_RADIO, MSGL_INFO, MSGTR_RADIO_DriverBSDBT848); + break; default: mp_msg(MSGT_RADIO, MSGL_INFO, MSGTR_RADIO_DriverUnknownStr,radio_param_driver); close_s(stream); -- cgit v1.2.3