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remotion/node_modules/@remotion/media-parser/dist/state/may-skip-video-data.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.maySkipOverSamplesInTheMiddle = exports.maySkipVideoData = exports.missesMatroskaTracks = void 0;
+const get_ready_tracks_1 = require("../containers/webm/get-ready-tracks");
+const traversal_1 = require("../containers/webm/traversal");
+const need_samples_for_fields_1 = require("./need-samples-for-fields");
+const getHasCallbacks = (state) => {
+    const hasNoTrackHandlers = !state.callbacks.hasAudioTrackHandlers &&
+        !state.callbacks.hasVideoTrackHandlers;
+    if (hasNoTrackHandlers) {
+        return false;
+    }
+    const hasAllTracksAndNoCallbacks = !state.callbacks.tracks.hasAllTracks() ||
+        Object.values(state.callbacks.videoSampleCallbacks).length > 0 ||
+        Object.values(state.callbacks.audioSampleCallbacks).length > 0;
+    return hasAllTracksAndNoCallbacks;
+};
+const missesMatroskaTracks = (state) => {
+    const struct = state.structure.getStructureOrNull();
+    if (struct === null) {
+        return false;
+    }
+    if (struct.type !== 'matroska') {
+        return false;
+    }
+    const mainSegment = (0, traversal_1.getMainSegment)(struct.boxes);
+    if (mainSegment === null) {
+        return false;
+    }
+    return ((0, get_ready_tracks_1.getTracksFromMatroska)({
+        structureState: state.structure,
+        webmState: state.webm,
+    }).missingInfo.length > 0);
+};
+exports.missesMatroskaTracks = missesMatroskaTracks;
+const maySkipVideoData = ({ state }) => {
+    const hasCallbacks = getHasCallbacks(state);
+    return (!hasCallbacks &&
+        !(0, need_samples_for_fields_1.needsToIterateOverSamples)({
+            emittedFields: state.emittedFields,
+            fields: state.fields,
+        }) &&
+        !(0, exports.missesMatroskaTracks)(state));
+};
+exports.maySkipVideoData = maySkipVideoData;
+const maySkipOverSamplesInTheMiddle = ({ state, }) => {
+    const hasCallbacks = getHasCallbacks(state);
+    return (!hasCallbacks &&
+        !(0, need_samples_for_fields_1.needsToIterateOverEverySample)({
+            emittedFields: state.emittedFields,
+            fields: state.fields,
+        }));
+};
+exports.maySkipOverSamplesInTheMiddle = maySkipOverSamplesInTheMiddle;