WLED/wled00/playlist.cpp

106 wiersze
2.7 KiB
C++

#include "wled.h"
/*
* Handles playlists, timed sequences of presets
*/
typedef struct PlaylistEntry {
uint8_t preset;
uint16_t dur;
uint16_t tr;
} ple;
byte playlistRepeat = 1;
byte playlistEndPreset = 0;
uint8_t* playlistEntries;
byte playlistLen;
int8_t playlistIndex = -1;
uint16_t playlistEntryDur = 0;
void loadPlaylist(JsonObject playlistObj) {
delete playlistEntries;
playlistIndex = -1; playlistEntryDur = 0;
JsonArray presets = playlistObj["ps"];
playlistLen = presets.size();
if (playlistLen == 0) return;
if (playlistLen > 100) playlistLen = 100;
uint16_t dataSize = sizeof(ple) * playlistLen;
playlistEntries = new byte[dataSize];
PlaylistEntry* entries = reinterpret_cast<PlaylistEntry*>(playlistEntries);
byte it = 0;
for (int ps : presets) {
if (it >= playlistLen) break;
entries[it].preset = ps;
it++;
}
it = 0;
JsonArray durations = playlistObj["dur"];
if (durations.isNull()) {
entries[0].dur = playlistObj["dur"] | 100;
it = 1;
} else {
for (int dur : durations) {
if (it >= playlistLen) break;
entries[it].dur = dur;
it++;
}
}
for (int i = it; i < playlistLen; i++) entries[i].dur = entries[it -1].dur;
it = 0;
JsonArray tr = playlistObj["transition"];
if (tr.isNull()) {
entries[0].tr = playlistObj["transition"] | (transitionDelay / 100);
it = 1;
} else {
for (int transition : tr) {
if (it >= playlistLen) break;
entries[it].tr = transition;
it++;
}
}
for (int i = it; i < playlistLen; i++) entries[i].tr = entries[it -1].tr;
playlistRepeat = playlistObj[F("repeat")] | 0;
playlistEndPreset = playlistObj[F("end")] | 0;
currentPlaylist = 0; //TODO here we need the preset ID where the playlist is saved
}
void handlePlaylist()
{
if (currentPlaylist < 0 || playlistEntries == nullptr || presetCyclingEnabled) return;
if (millis() - presetCycledTime > (100*playlistEntryDur))
{
presetCycledTime = millis();
if (bri == 0 || nightlightActive) return;
playlistIndex++;
if (playlistIndex >= playlistLen) {
playlistIndex = 0;
if (playlistRepeat == 1) { //stop
currentPlaylist = -1;
delete playlistEntries;
playlistEntries = nullptr;
if (playlistEndPreset) applyPreset(playlistEndPreset);
return;
}
if (playlistRepeat > 1) playlistRepeat--;
}
PlaylistEntry* entries = reinterpret_cast<PlaylistEntry*>(playlistEntries);
jsonTransitionOnce = true;
transitionDelayTemp = entries[playlistIndex].tr * 100;
applyPreset(entries[playlistIndex].preset);
playlistEntryDur = entries[playlistIndex].dur;
if (playlistEntryDur == 0) playlistEntryDur = 10;
}
}