init commit

remotion/node_modules/@remotion/media-parser/dist/state/avc/avc-state.d.ts

@@ -0,0 +1,12 @@
+import type { SpsInfo } from '../../containers/avc/parse-avc';
+export declare const avcState: () => {
+    getPrevPicOrderCntLsb(): number;
+    getPrevPicOrderCntMsb(): number;
+    setPrevPicOrderCntLsb(value: number): void;
+    setPrevPicOrderCntMsb(value: number): void;
+    setSps(value: SpsInfo): void;
+    getSps(): SpsInfo | null;
+    getMaxFramesInBuffer(): number | null;
+    clear(): void;
+};
+export type AvcState = ReturnType<typeof avcState>;

remotion/node_modules/@remotion/media-parser/dist/state/avc/avc-state.js

@@ -0,0 +1,44 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.avcState = void 0;
+const max_buffer_size_1 = require("../../containers/avc/max-buffer-size");
+const avcState = () => {
+    let prevPicOrderCntLsb = 0;
+    let prevPicOrderCntMsb = 0;
+    let sps = null;
+    let maxFramesInBuffer = null;
+    return {
+        getPrevPicOrderCntLsb() {
+            return prevPicOrderCntLsb;
+        },
+        getPrevPicOrderCntMsb() {
+            return prevPicOrderCntMsb;
+        },
+        setPrevPicOrderCntLsb(value) {
+            prevPicOrderCntLsb = value;
+        },
+        setPrevPicOrderCntMsb(value) {
+            prevPicOrderCntMsb = value;
+        },
+        setSps(value) {
+            const macroblockBufferSize = (0, max_buffer_size_1.macroBlocksPerFrame)(value);
+            const maxBufferSize = (0, max_buffer_size_1.maxMacroblockBufferSize)(value);
+            const maxFrames = Math.min(16, Math.floor(maxBufferSize / macroblockBufferSize));
+            maxFramesInBuffer = maxFrames;
+            sps = value;
+        },
+        getSps() {
+            return sps;
+        },
+        getMaxFramesInBuffer() {
+            return maxFramesInBuffer;
+        },
+        clear() {
+            maxFramesInBuffer = null;
+            sps = null;
+            prevPicOrderCntLsb = 0;
+            prevPicOrderCntMsb = 0;
+        },
+    };
+};
+exports.avcState = avcState;