MP3 and AAC Decoder using libhelix: https://github.com/pschatzmann/arduino-libhelix. We dynamically create a MP3 or AAC decoder dependent on the provided audio format. More...
#include <CodecHelix.h>
Inheritance diagram for DecoderHelix:
Public Member Functions | |
| DecoderHelix (Print &out_stream) | |
| DecoderHelix (Print &out_stream, AudioInfoSupport &bi) | |
| virtual void | addNotifyAudioChange (AudioInfoSupport &bi) |
| Adds target to be notified about audio changes. | |
| 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 | |
| bool | begin () |
| Starts the processing. | |
| virtual bool | begin (AudioInfo info) override |
| virtual void | clearNotifyAudioChange () |
| Deletes all change notify subscriptions. | |
| void | end () |
| Releases the reserved memory. | |
| bool | isNotifyActive () |
| Checks if the automatic AudioInfo update is active. | |
| virtual bool | isResultPCM () |
| Returns true to indicate that the decoding result is PCM data. | |
| operator bool () | |
| checks if the class is active | |
| virtual bool | removeNotifyAudioChange (AudioInfoSupport &bi) |
| Removes a target in order not to be notified about audio changes. | |
| virtual void | setAudioInfo (AudioInfo from) override |
| for most decoders this is not needed | |
| void | setNotifyActive (bool flag) |
| Deactivate/Reactivate automatic AudioInfo updates: (default is active) | |
| virtual void | setOutput (AudioOutput &out_stream) |
| Defines where the decoded result is written to. | |
| virtual void | setOutput (AudioStream &out_stream) |
| Defines where the decoded result is written to. | |
| virtual void | setOutput (Print &outStream) |
| Defines the output Stream. | |
| size_t | write (const uint8_t *data, size_t len) |
| Write mp3 data to decoder. | |
Public Attributes | |
| int | id |
| custom id to be used by application | |
Protected Member Functions | |
| void | notifyAudioChange (AudioInfo info) |
| void | resetDecoder () |
| Deletes the decoder. | |
| void | setupDecoder (const byte *start) |
| Defines the decoder based on the audio format. | |
| void | writeBlocking (Print *out, uint8_t *data, size_t len) |
Protected Attributes | |
| AudioInfo | info |
| bool | is_notify_active = true |
| AudioInfo | noInfo |
| Vector< AudioInfoSupport * > | notify_vector |
| AudioInfoSupport * | p_bi = nullptr |
| AudioDecoder * | p_decoder = nullptr |
| Print * | p_out_stream = nullptr |
| Print * | p_print = nullptr |
Detailed Description
MP3 and AAC Decoder using libhelix: https://github.com/pschatzmann/arduino-libhelix. We dynamically create a MP3 or AAC decoder dependent on the provided audio format.
- Copyright
- GPLv3
The documentation for this class was generated from the following file:
- src/AudioTools/AudioCodecs/CodecHelix.h
