feat: publish av-tools 0.1.0

tests/unit/ffmpeg-capabilities.test.ts

@@ -0,0 +1,78 @@
+import { describe, expect, it } from 'vitest';
+import {
+  deserializeCapabilities,
+  parseBuildConfiguration,
+  parseCodecs,
+  parseFilters,
+  parseFormats,
+  parseNamedComponents,
+  serializeCapabilities,
+} from '../../src/ffmpeg/capability-parser';
+
+describe('FFmpeg capability parsing', () => {
+  it('parses demuxer and muxer flags including aliases', () => {
+    const parsed = parseFormats(`
+ File formats:
+  D. = Demuxing supported
+  .E = Muxing supported
+ DE  matroska,webm   Matroska / WebM
+ D   mov,mp4,m4a     QuickTime / MOV
+  E  mp3             MP3
+`);
+    expect(parsed.demuxers).toEqual(
+      new Set(['matroska', 'webm', 'mov', 'mp4', 'm4a'])
+    );
+    expect(parsed.muxers).toEqual(new Set(['matroska', 'webm', 'mp3']));
+  });
+
+  it('parses codecs, encoders, filters and configuration flags', () => {
+    const codecs = parseCodecs(`
+ Codecs:
+ D..... = Decoding supported
+ .E.... = Encoding supported
+ DEV.LS h264 H.264
+ D.A.L. aac AAC
+ .EV.L. vp9 VP9
+`);
+    expect(codecs.decoders).toEqual(new Set(['h264', 'aac']));
+    expect(codecs.encoders).toEqual(new Set(['h264', 'vp9']));
+
+    expect(
+      parseNamedComponents(`
+ Encoders:
+ V..... libx264 H.264
+ A..... aac AAC
+`)
+    ).toEqual(new Set(['libx264', 'aac']));
+
+    expect(
+      parseFilters(`
+ Filters:
+ ..C scale             V->V       Scale the input video size.
+ T.. loudnorm          A->A       EBU R128 loudness normalization
+ ... concat            N->N       Concatenate audio and video streams.
+`)
+    ).toEqual(new Set(['scale', 'loudnorm', 'concat']));
+
+    expect(
+      parseBuildConfiguration(
+        'ffmpeg version x\nconfiguration: --enable-gpl --disable-doc'
+      )
+    ).toEqual(['--enable-gpl', '--disable-doc']);
+  });
+
+  it('serializes Set values for durable caches without losing data', () => {
+    const original = {
+      versionText: 'ffmpeg version n6.1',
+      buildConfiguration: ['--enable-gpl'],
+      demuxers: new Set(['mov']),
+      muxers: new Set(['mp4']),
+      decoders: new Set(['h264']),
+      encoders: new Set(['libx264']),
+      filters: new Set(['scale']),
+    };
+    expect(deserializeCapabilities(serializeCapabilities(original))).toEqual(
+      original
+    );
+  });
+});