#include <avcap/linux/V4L2_Tuner.h>
Inheritance diagram for avcap::V4L2_Tuner:
Public Member Functions | |
| V4L2_Tuner (V4L2_DeviceDescriptor *dd, int index, const std::string &name, int type, int caps, uint high, uint low) | |
| virtual | ~V4L2_Tuner () |
| bool | isRadioTuner () const |
| Determine whether the tuner is able to receive radio frequencies. | |
| bool | isTVTuner () const |
| Determine whether the tuner is able to receive TV frequencies. | |
| int | setStereo () |
| Set the audio mode to stereo. | |
| int | setMono () |
| Set the audio mode to mono. | |
| int | setSAP () |
| Set the audio mode to secondary audio program (SAP). | |
| int | setLang1 () |
| Set the audio mode to language 1. | |
| int | setLang2 () |
| Set the audio mode to language 2. | |
| double | getFreq () const |
| Returns the current frequency in MHz. | |
| double | getFreqStep () const |
| Returns the step with in which the frequency can be increased or decreased. | |
| double | getMinFreq () const |
| Returns the minimum possible frequency in MHz which can be applied to the tuner. | |
| double | getMaxFreq () const |
| Returns the maximum possible frequency in MHz which can be applied to the tuner. | |
| const std::string | getName () const |
| Returns the tuner name. | |
| int | finetune (int maxsteps) |
| This method tries to readjust and to fine-tune the frequency by means of the current AFC-value. | |
| int | getAFCValue () const |
| Get the current automatic frequency control (AFC) value. | |
| int | getSignalStrength () const |
| Return the strength of the signal. | |
| int | increaseFreq () |
| Increase the frequency a step corresponding to getFreqStep(). | |
| int | decreaseFreq () |
| Decrease the frequency a step corresponding to getFreqStep(). | |
| int | setFreq (double f) |
| Set the new frequency. The frequency is given in MHz. | |
| avcap::V4L2_Tuner::V4L2_Tuner | ( | V4L2_DeviceDescriptor * | dd, | |
| int | index, | |||
| const std::string & | name, | |||
| int | type, | |||
| int | caps, | |||
| uint | high, | |||
| uint | low | |||
| ) |
| virtual avcap::V4L2_Tuner::~V4L2_Tuner | ( | ) | [virtual] |
| bool avcap::V4L2_Tuner::isRadioTuner | ( | ) | const [inline, virtual] |
Determine whether the tuner is able to receive radio frequencies.
The default implementation returns false.
Reimplemented from avcap::Tuner.
| bool avcap::V4L2_Tuner::isTVTuner | ( | ) | const [inline, virtual] |
Determine whether the tuner is able to receive TV frequencies.
The default implementation returns false.
Reimplemented from avcap::Tuner.
| int avcap::V4L2_Tuner::setStereo | ( | ) | [virtual] |
Set the audio mode to stereo.
The default implementation is noop and returns -1.
Reimplemented from avcap::Tuner.
| int avcap::V4L2_Tuner::setMono | ( | ) | [virtual] |
Set the audio mode to mono.
Default implementation is noop and return -1.
Reimplemented from avcap::Tuner.
| int avcap::V4L2_Tuner::setSAP | ( | ) | [virtual] |
Set the audio mode to secondary audio program (SAP).
The default implementation is noop and returns -1.
Reimplemented from avcap::Tuner.
| int avcap::V4L2_Tuner::setLang1 | ( | ) | [virtual] |
Set the audio mode to language 1.
The default implementation is noop and returns -1.
Reimplemented from avcap::Tuner.
| int avcap::V4L2_Tuner::setLang2 | ( | ) | [virtual] |
Set the audio mode to language 2.
The default implementation is noop and returns -1.
Reimplemented from avcap::Tuner.
| double avcap::V4L2_Tuner::getFreq | ( | ) | const [virtual] |
Returns the current frequency in MHz.
The default implementation is noop and returns -1.
Reimplemented from avcap::Tuner.
| double avcap::V4L2_Tuner::getFreqStep | ( | ) | const [inline, virtual] |
Returns the step with in which the frequency can be increased or decreased.
The default implementation is noop and returns -1.
Reimplemented from avcap::Tuner.
| double avcap::V4L2_Tuner::getMinFreq | ( | ) | const [inline, virtual] |
Returns the minimum possible frequency in MHz which can be applied to the tuner.
The default implementation is noop and returns -1.
Reimplemented from avcap::Tuner.
| double avcap::V4L2_Tuner::getMaxFreq | ( | ) | const [inline, virtual] |
Returns the maximum possible frequency in MHz which can be applied to the tuner.
The default implementation is noop and returns -1.
Reimplemented from avcap::Tuner.
| const std::string avcap::V4L2_Tuner::getName | ( | ) | const [inline, virtual] |
Returns the tuner name.
Default implementation returns an empty string.
Reimplemented from avcap::Tuner.
| int avcap::V4L2_Tuner::finetune | ( | int | maxsteps | ) | [virtual] |
This method tries to readjust and to fine-tune the frequency by means of the current AFC-value.
The default implementation is noop and returns -1.
Reimplemented from avcap::Tuner.
| int avcap::V4L2_Tuner::getAFCValue | ( | ) | const [virtual] |
Get the current automatic frequency control (AFC) value.
If the afc value is negative, the frequency is too low, if positive it is too high. /*! The default implementation is noop and returns -1.
Reimplemented from avcap::Tuner.
| int avcap::V4L2_Tuner::getSignalStrength | ( | ) | const [virtual] |
Return the strength of the signal.
The default implementation is noop and returns -1.
Reimplemented from avcap::Tuner.
| int avcap::V4L2_Tuner::increaseFreq | ( | ) | [virtual] |
Increase the frequency a step corresponding to getFreqStep().
The default implementation is noop and returns -1.
Reimplemented from avcap::Tuner.
| int avcap::V4L2_Tuner::decreaseFreq | ( | ) | [virtual] |
Decrease the frequency a step corresponding to getFreqStep().
The default implementation is noop and returns -1.
Reimplemented from avcap::Tuner.
| int avcap::V4L2_Tuner::setFreq | ( | double | f | ) | [virtual] |
Set the new frequency. The frequency is given in MHz.
The default implementation is noop and returns -1.
| f | The new frequency. |
Reimplemented from avcap::Tuner.
1.5.1