diff options
| -rw-r--r-- | README.md | 1 | ||||
| -rw-r--r-- | include/adlmidi.h | 9 | ||||
| -rw-r--r-- | src/adlmidi.cpp | 21 |
3 files changed, 31 insertions, 0 deletions
@@ -181,6 +181,7 @@ To build that example you will need to have installed SDL2 library. ## 1.5.1 dev * Added an ability to disable the automatical arpeggio * Added an ability to set the count of loops (how many times to play the song) + * Added an ability to disable/enable playing of selected MIDI channels ## 1.5.0.1 2020-10-11 * Fixed an incorrect timer processing when using a real-time interface diff --git a/include/adlmidi.h b/include/adlmidi.h index 53f57f8..11567f0 100644 --- a/include/adlmidi.h +++ b/include/adlmidi.h @@ -895,6 +895,15 @@ enum ADLMIDI_TrackOptions extern ADLMIDI_DECLSPEC int adl_setTrackOptions(struct ADL_MIDIPlayer *device, size_t trackNumber, unsigned trackOptions); /** + * @brief Sets the channel of the current sequence enable state + * @param device Instance of the library + * @param channelNumber Number of the channel (from 0 to 15) + * @param enabled 1 to enable and 0 to disable + * @return 0 on success, <0 when any error has occurred + */ +extern ADLMIDI_DECLSPEC int adl_setChannelEnabled(struct ADL_MIDIPlayer *device, size_t channelNumber, int enabled); + +/** * @brief Handler of callback trigger events * @param userData Pointer to user data (usually, context of something) * @param trigger Value of the event which triggered this callback. diff --git a/src/adlmidi.cpp b/src/adlmidi.cpp index 621c385..99109eb 100644 --- a/src/adlmidi.cpp +++ b/src/adlmidi.cpp @@ -1569,6 +1569,27 @@ ADLMIDI_EXPORT int adl_setTrackOptions(struct ADL_MIDIPlayer *device, size_t tra #endif } +ADLMIDI_EXPORT int adl_setChannelEnabled(struct ADL_MIDIPlayer *device, size_t channelNumber, int enabled) +{ +#ifndef ADLMIDI_DISABLE_MIDI_SEQUENCER + if(!device) + return -1; + + MidiPlayer *play = GET_MIDI_PLAYER(device); + assert(play); + MidiSequencer &seq = *play->m_sequencer; + + if(!seq.setChannelEnabled(channelNumber, (bool)enabled)) + return -1; + return 0; +#else + ADL_UNUSED(device); + ADL_UNUSED(channelNumber); + ADL_UNUSED(enabled); + return -1; +#endif +} + ADLMIDI_EXPORT int adl_setTriggerHandler(struct ADL_MIDIPlayer *device, ADL_TriggerHandler handler, void *userData) { #ifndef ADLMIDI_DISABLE_MIDI_SEQUENCER |