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#ifndef PVR_H
#define PVR_H
#include "tv.h"
/**
* @brief Get the current station name.
* The pointer is valid, till the stream is closed.
* @return The stream's station name
*/
const char *pvr_get_current_stationname (stream_t *stream);
/**
* @brief Get the current channel name.
* The pointer is valid, till the stream is closed.
* @return The stream's channel name
*/
const char *pvr_get_current_channelname (stream_t *stream);
/**
* @brief Get the current frequency.
* @return frequency
*/
int pvr_get_current_frequency (stream_t *stream);
/**
* @brief Set the current station using the channel name.
* This function will fail,
* if the channel does not exist, or the station is not enabled
* @return 0 if the station is available, otherwise -1
*/
int pvr_set_channel (stream_t *stream, const char *channel);
/**
* @brief Set the current station using to the last set channel
* @return 0 if the station is available, otherwise -1
*/
int pvr_set_lastchannel (stream_t *stream);
/**
* @brief Set the current channel using the frequency.
* This function will fail,
* if the frequency does not exist, or the station is not enabled
* @return 0 if the station is available, otherwise -1
*/
int pvr_set_freq (stream_t *stream, int freq);
/**
* @brief Set the current station while stepping.
* This function will fail,
* if the station does not exist, or the station is not enabled
* @return 0 if the station is available, otherwise -1
*/
int pvr_set_channel_step (stream_t *stream, int step);
/**
* @brief Set the current frequency while stepping
* This function will fail,
* if the frequency is invalid, i.e. <0
* @return 0 if success, otherwise -1
*/
int pvr_force_freq_step (stream_t *stream, int step);
#endif /* PVR_H */
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