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import { cloneAnimations, getChannel } from "@/lib/animation";
import type { ElementAnimations } from "@/lib/animation/types";
import type { MediaAsset } from "@/lib/media/types";
import { DEFAULTS } from "@/lib/timeline/defaults";
import type {
CreateUploadAudioElement,
TimelineElement,
AudioElement,
VideoElement,
} from "../types";
export function isSourceAudioEnabled({
element,
}: {
element: VideoElement;
}): boolean {
return element.isSourceAudioEnabled !== false;
}
export function isSourceAudioSeparated({
element,
}: {
element: VideoElement;
}): boolean {
return !isSourceAudioEnabled({ element });
}
export function canExtractSourceAudio({
element,
mediaAsset,
}: {
element: TimelineElement;
mediaAsset: MediaAsset | null | undefined;
}): element is VideoElement {
return (
element.type === "video" &&
isSourceAudioEnabled({ element }) &&
!!mediaAsset &&
mediaAsset.hasAudio !== false
);
}
export function canRecoverSourceAudio({
element,
}: {
element: TimelineElement;
}): element is VideoElement {
return element.type === "video" && isSourceAudioSeparated({ element });
}
export function canToggleSourceAudio({
element,
mediaAsset,
}: {
element: TimelineElement;
mediaAsset: MediaAsset | null | undefined;
}): element is VideoElement {
return (
canRecoverSourceAudio({ element }) ||
canExtractSourceAudio({ element, mediaAsset })
);
}
export function doesElementHaveEnabledAudio({
element,
mediaAsset,
}: {
element: AudioElement | VideoElement;
mediaAsset?: MediaAsset | null;
}): boolean {
if (element.type === "audio") {
return true;
}
return !!mediaAsset && mediaAsset.hasAudio !== false && isSourceAudioEnabled({ element });
}
export function buildSeparatedAudioElement({
sourceElement,
}: {
sourceElement: VideoElement;
}): CreateUploadAudioElement {
return {
type: "audio",
sourceType: "upload",
mediaId: sourceElement.mediaId,
name: sourceElement.name,
duration: sourceElement.duration,
startTime: sourceElement.startTime,
trimStart: sourceElement.trimStart,
trimEnd: sourceElement.trimEnd,
sourceDuration: sourceElement.sourceDuration,
volume: sourceElement.volume ?? DEFAULTS.element.volume,
muted: sourceElement.muted ?? false,
retime: sourceElement.retime
? {
rate: sourceElement.retime.rate,
maintainPitch: sourceElement.retime.maintainPitch,
}
: undefined,
animations: cloneVolumeAnimations({
animations: sourceElement.animations,
}),
};
}
export function getSourceAudioActionLabel({
element,
}: {
element: VideoElement;
}): "Extract audio" | "Recover audio" {
return isSourceAudioSeparated({ element }) ? "Recover audio" : "Extract audio";
}
function cloneVolumeAnimations({
animations,
}: {
animations: ElementAnimations | undefined;
}): ElementAnimations | undefined {
const volumeChannel = getChannel({ animations, propertyPath: "volume" });
if (!volumeChannel) {
return undefined;
}
return cloneAnimations({
animations: {
channels: {
volume: volumeChannel,
},
},
shouldRegenerateKeyframeIds: true,
});
}
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