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Place highlight overlays on top of clips #1

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Place highlight overlays on top of clips #1

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24 changes: 20 additions & 4 deletions commands/highlight.js
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Original file line number Diff line number Diff line change
Expand Up @@ -44,22 +44,38 @@ function getThisCommand() {
return builder.toJSON();
}

function getOverlayHeight(overlayPath) {
return new Promise((resolve, reject) => {
ffmpeg.ffprobe(overlayPath, (err, data) => {
if (err) {
reject(err);
} else {
resolve(data.streams[0].height);
}
});
})
}

function ffmpegOverlayer(file, tourney) {
return new Promise((resolve, reject) => {
return new Promise(async (resolve, reject) => {

var fileName = tourney + Date.now() + fileNameOut;
const overlayPath = "./highlight-overlays/" + tourney + ".png";
const overlayHeight = await getOverlayHeight(overlayPath);

ffmpeg().withOptions([
"-i ./highlight-overlays/" + tourney + ".png", //take the overlay as an input
"-i " + overlayPath, //take the overlay as an input
"-i " + file, //take the twitch clip as an input
])
.complexFilter([
{
"filter": "scale", "options": { s: "1280x720" }, "inputs": "[1:v]", "outputs": "[base]" //resize the twitch clip to 720p
},
{
"filter": "overlay", "inputs": "[0:v][base]" //overlay the overlay onto the twitch clip
"filter": "pad", "options": { width: "1280", height: overlayHeight, x: "0", y: "0" }, "inputs": "[base]", "outputs": "[base_padded]"
},
{
"filter": "overlay", "inputs": "[base_padded][0:v]" //overlay the overlay onto the twitch clip
}
])
.withOptions([
Expand Down Expand Up @@ -189,4 +205,4 @@ async function getClipDownloadURL(clipID) {
}
throw new Error('Clip download URL not found');
});
}
}