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web/libav: shrink buffer _after_ ffmpeg is done running

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dumbmoron 2024-08-13 00:23:13 +00:00
parent e084092f37
commit e79f466c5f
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1 changed files with 6 additions and 6 deletions
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12
web/src/lib/libav.ts
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@ -63,12 +63,6 @@ export default class LibAVWrapper {
writtenData.set(data, pos); writtenData.set(data, pos);
}; };
// if we didn't need as much space as we allocated for some reason,
// shrink the buffer so that we don't inflate the file with zeros
if (writtenData.length > actualSize) {
writtenData = writtenData.slice(0, actualSize);
}
await this.libav.ffmpeg([ await this.libav.ffmpeg([
'-nostdin', '-y', '-nostdin', '-y',
'-threads', this.concurrency.toString(), '-threads', this.concurrency.toString(),
@ -80,6 +74,12 @@ export default class LibAVWrapper {
await this.libav.unlink(outputName); await this.libav.unlink(outputName);
await this.libav.unlinkreadaheadfile("input"); await this.libav.unlinkreadaheadfile("input");
// if we didn't need as much space as we allocated for some reason,
// shrink the buffer so that we don't inflate the file with zeros
if (writtenData.length > actualSize) {
writtenData = writtenData.slice(0, actualSize);
}
const renderBlob = new Blob( const renderBlob = new Blob(
[ writtenData ], [ writtenData ],
{ type: output.type } { type: output.type }