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fix(test): resolve FFmpeg fixture segments portably

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- Run FFmpeg in the temporary workspace with relative media paths.\n- Keep HLS and DASH manifests beside their generated segments.
This commit is contained in:
NimBold
2026-09-25 20:25:41 +03:30
parent 7511bea00c
commit a1ca7a92fd
1 changed files with 13 additions and 16 deletions
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scripts/smoke-ffmpeg-media.js
+13 -16
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@@ -30,6 +30,7 @@ const run = (label, args) => {
'-y',
...args,
], {
cwd: workspace,
encoding: 'utf8',
maxBuffer: 8 * 1024 * 1024,
timeout: 30_000,
@@ -59,7 +60,7 @@ const assertDecodesAudioAndVideo = (label, input) => {
const assertNonEmpty = (label, filePath) => {
let size;
try {
size = fs.statSync(filePath).size;
size = fs.statSync(path.join(workspace, filePath)).size;
} catch {
throw new Error(`${label} did not produce its expected output.`);
}
@@ -67,14 +68,10 @@ const assertNonEmpty = (label, filePath) => {
};
try {
const source = path.join(workspace, 'source.mp4');
const videoOnly = path.join(workspace, 'video-only.mp4');
const audioOnly = path.join(workspace, 'audio-only.m4a');
const merged = path.join(workspace, 'merged.mp4');
const hlsDirectory = path.join(workspace, 'hls');
const dashDirectory = path.join(workspace, 'dash');
fs.mkdirSync(hlsDirectory);
fs.mkdirSync(dashDirectory);
const source = 'source.mp4';
const videoOnly = 'video-only.mp4';
const audioOnly = 'audio-only.m4a';
const merged = 'merged.mp4';
run('Synthetic media generation', [
'-f', 'lavfi', '-i', 'color=c=blue:s=160x90:r=10:d=3',
@@ -118,7 +115,7 @@ try {
assertNonEmpty('Audio/video merge', merged);
assertDecodesAudioAndVideo('Merged media', merged);
const hlsPlaylist = path.join(hlsDirectory, 'stream.m3u8');
const hlsPlaylist = 'stream.m3u8';
run('HLS packaging', [
'-i', source,
'-map', '0:v:0',
@@ -127,15 +124,15 @@ try {
'-f', 'hls',
'-hls_time', '1',
'-hls_playlist_type', 'vod',
'-hls_segment_filename', path.join(hlsDirectory, 'segment-%03d.ts'),
'-hls_segment_filename', 'segment-%03d.ts',
hlsPlaylist,
]);
assertNonEmpty('HLS packaging', hlsPlaylist);
const hlsSegments = fs.readdirSync(hlsDirectory)
const hlsSegments = fs.readdirSync(workspace)
.filter(name => /^segment-\d+\.ts$/.test(name));
if (hlsSegments.length === 0) throw new Error('HLS packaging produced no media segments.');
const hlsRemux = path.join(workspace, 'hls-remux.mkv');
const hlsRemux = 'hls-remux.mkv';
run('HLS input remux', [
'-i', hlsPlaylist,
'-map', '0:v:0',
@@ -146,7 +143,7 @@ try {
assertNonEmpty('HLS input remux', hlsRemux);
assertDecodesAudioAndVideo('HLS remux', hlsRemux);
const dashManifest = path.join(dashDirectory, 'stream.mpd');
const dashManifest = 'stream.mpd';
run('DASH packaging', [
'-i', source,
'-map', '0:v:0',
@@ -159,11 +156,11 @@ try {
dashManifest,
]);
assertNonEmpty('DASH packaging', dashManifest);
if (!fs.readFileSync(dashManifest, 'utf8').includes('<SegmentTemplate')) {
if (!fs.readFileSync(path.join(workspace, dashManifest), 'utf8').includes('<SegmentTemplate')) {
throw new Error('DASH packaging produced no segment template.');
}
const dashRemux = path.join(workspace, 'dash-remux.mkv');
const dashRemux = 'dash-remux.mkv';
run('DASH input remux', [
'-i', dashManifest,
'-map', '0:v:0',