Add .gitignore to exclude all node packages and lock files

2026-02-23 21:56:04 -05:00
parent faae96c9ed
commit dcc5c6c044
9747 changed files with 1555105 additions and 2 deletions
@@ -0,0 +1,155 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.createAudioDecoder = exports.internalCreateAudioDecoder = void 0;
+const flush_pending_1 = require("./flush-pending");
+const get_wave_audio_decoder_1 = require("./get-wave-audio-decoder");
+const io_synchronizer_1 = require("./io-manager/io-synchronizer");
+const undecodable_error_1 = require("./undecodable-error");
+const internalCreateAudioDecoder = async ({ onFrame, onError, controller, config, logLevel, }) => {
+    if (controller &&
+        controller._internals._mediaParserController._internals.signal.aborted) {
+        throw new Error('Not creating audio decoder, already aborted');
+    }
+    const ioSynchronizer = (0, io_synchronizer_1.makeIoSynchronizer)({
+        logLevel,
+        label: 'Audio decoder',
+        controller,
+    });
+    let mostRecentSampleReceived = null;
+    if (config.codec === 'pcm-s16') {
+        return (0, get_wave_audio_decoder_1.getWaveAudioDecoder)({
+            onFrame,
+            config,
+            sampleFormat: 's16',
+            logLevel,
+            ioSynchronizer,
+            onError,
+        });
+    }
+    if (config.codec === 'pcm-s24') {
+        return (0, get_wave_audio_decoder_1.getWaveAudioDecoder)({
+            onFrame,
+            config,
+            sampleFormat: 's24',
+            logLevel,
+            ioSynchronizer,
+            onError,
+        });
+    }
+    const audioDecoder = new AudioDecoder({
+        async output(frame) {
+            try {
+                await onFrame(frame);
+            }
+            catch (err) {
+                frame.close();
+                onError(err);
+            }
+            ioSynchronizer.onOutput(frame.timestamp + (frame.duration ?? 0));
+        },
+        error(error) {
+            onError(error);
+        },
+    });
+    const close = () => {
+        if (controller) {
+            controller._internals._mediaParserController._internals.signal.removeEventListener('abort', 
+            // eslint-disable-next-line @typescript-eslint/no-use-before-define
+            onAbort);
+        }
+        if (audioDecoder.state === 'closed') {
+            return;
+        }
+        audioDecoder.close();
+    };
+    const onAbort = () => {
+        close();
+    };
+    if (controller) {
+        controller._internals._mediaParserController._internals.signal.addEventListener('abort', onAbort);
+    }
+    const isConfigSupported = await AudioDecoder.isConfigSupported(config);
+    if (!isConfigSupported) {
+        throw new undecodable_error_1.AudioUndecodableError({
+            message: 'Audio cannot be decoded by this browser',
+            config,
+        });
+    }
+    audioDecoder.configure(config);
+    const decode = async (audioSample) => {
+        if (audioDecoder.state === 'closed') {
+            return;
+        }
+        try {
+            await controller?._internals._mediaParserController._internals.checkForAbortAndPause();
+        }
+        catch (err) {
+            onError(err);
+            return;
+        }
+        mostRecentSampleReceived = audioSample.timestamp;
+        // Don't flush, it messes up the audio
+        const chunk = audioSample instanceof EncodedAudioChunk
+            ? audioSample
+            : new EncodedAudioChunk(audioSample);
+        audioDecoder.decode(chunk);
+        // https://test-streams.mux.dev/x36xhzz/url_0/url_525/193039199_mp4_h264_aac_hd_7.ts
+        // has a 16 byte audio sample at the end which chrome does not decode
+        // Might be empty audio
+        // For now only reporting chunks that are bigger than that
+        // 16 was chosen arbitrarily, can be improved
+        if (chunk.byteLength > 16) {
+            ioSynchronizer.inputItem(chunk.timestamp);
+        }
+    };
+    let flushPending = null;
+    const lastReset = null;
+    return {
+        decode,
+        close,
+        flush: () => {
+            if (flushPending) {
+                throw new Error('Flush already pending');
+            }
+            const pendingFlush = (0, flush_pending_1.makeFlushPending)();
+            flushPending = pendingFlush;
+            Promise.resolve()
+                .then(() => {
+                return audioDecoder.flush();
+            })
+                .catch(() => {
+                // Firefox might throw "Needs to be configured first"
+            })
+                .finally(() => {
+                pendingFlush.resolve();
+                flushPending = null;
+            });
+            return pendingFlush.promise;
+        },
+        waitForQueueToBeLessThan: ioSynchronizer.waitForQueueSize,
+        reset: () => {
+            audioDecoder.reset();
+            audioDecoder.configure(config);
+        },
+        checkReset: () => {
+            const initTime = Date.now();
+            return {
+                wasReset: () => lastReset !== null && lastReset > initTime,
+            };
+        },
+        getMostRecentSampleInput() {
+            return mostRecentSampleReceived;
+        },
+    };
+};
+exports.internalCreateAudioDecoder = internalCreateAudioDecoder;
+const createAudioDecoder = ({ track, onFrame, onError, controller, logLevel, }) => {
+    return (0, exports.internalCreateAudioDecoder)({
+        onFrame,
+        onError,
+        controller: controller ?? null,
+        config: track,
+        logLevel: logLevel ?? 'error',
+    });
+};
+exports.createAudioDecoder = createAudioDecoder;