Merges multiple input channels. The input must be mono! So if you provide 2 mono channels you get a stereo signal as result with the left channel from channel 0 and the right from channel 1. More...
#include <AudioStreams.h>
Inheritance diagram for InputMerge< T >:
Public Member Functions | |
| InputMerge ()=default | |
| Default constructor. | |
| InputMerge (Stream &left, Stream &right) | |
| Constructor for stereo signal from to mono input stream. More... | |
| void | add (Stream &in, float weight=1.0) |
| Adds a new input stream. | |
| virtual void | addNotifyAudioChange (AudioInfoSupport &bi) |
| Adds target to be notified about audio changes. | |
| virtual AudioInfo | audioInfo () override |
| provides the actual input AudioInfo | |
| virtual AudioInfo | audioInfoOut () |
| provides the actual output AudioInfo: this is usually the same as audioInfo() unless we use a transforming stream | |
| int | available () override |
| Provides the min available data from all streams. | |
| virtual int | availableForWrite () override |
| virtual bool | begin () |
| virtual bool | begin (AudioInfo info) |
| virtual void | clearNotifyAudioChange () |
| Deletes all change notify subscriptions. | |
| void | end () override |
| Remove all input streams. | |
| virtual void | flush () override |
| bool | isNotifyActive () |
| Checks if the automatic AudioInfo update is active. | |
| operator bool () | |
| size_t | readBytes (uint8_t *data, size_t len) override |
| Provides the data from all streams mixed together. | |
| virtual size_t | readSilence (uint8_t *buffer, size_t length) |
| Source to generate silence: just sets the buffer to 0. | |
| virtual bool | removeNotifyAudioChange (AudioInfoSupport &bi) |
| Removes a target in order not to be notified about audio changes. | |
| virtual void | setAudioInfo (AudioInfo newInfo) override |
| Defines the input AudioInfo. | |
| void | setNotifyActive (bool flag) |
| Deactivate/Reactivate automatic AudioInfo updates: (default is active) | |
| void | setWeight (int channel, float weight) |
| Defines a new weight for the indicated channel: If you set it to 0 it is muted. | |
| int | size () |
| Number of stremams to which are mixed together = number of result channels. | |
| virtual size_t | write (const uint8_t *buffer, size_t size) override |
| virtual size_t | write (uint8_t ch) override |
| virtual void | writeSilence (size_t len) |
| Writes len bytes of silence (=0). | |
Protected Member Functions | |
| virtual int | not_supported (int out, const char *msg="") |
| void | notifyAudioChange (AudioInfo info) |
| void | refillReadBuffer () |
Protected Attributes | |
| int | _timeout = 10 |
| AudioInfo | info |
| bool | is_notify_active = true |
| Vector< AudioInfoSupport * > | notify_vector |
| Vector< Stream * > | streams {10} |
| RingBuffer< uint8_t > | tmp_in {0} |
| RingBuffer< uint8_t > | tmp_out {0} |
| Vector< float > | weights {10} |
Detailed Description
template<typename T>
class audio_tools::InputMerge< T >
Merges multiple input channels. The input must be mono! So if you provide 2 mono channels you get a stereo signal as result with the left channel from channel 0 and the right from channel 1.
- Copyright
- GPLv3
- Template Parameters
-
T
Constructor & Destructor Documentation
◆ InputMerge()
|
inline |
Constructor for stereo signal from to mono input stream.
- Parameters
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left right
The documentation for this class was generated from the following file:
- src/AudioTools/AudioStreams.h
