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Update node.js examples

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This commit is contained in:
Jerome Wu 2020-11-05 09:39:25 +08:00
parent 8e51e9099e
commit 258646edd5
6 changed files with 7 additions and 9 deletions
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2
examples/node/concatDemuxer.js
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@ -8,6 +8,6 @@ const ffmpeg = createFFmpeg({ log: true });
ffmpeg.FS('writeFile', 'flame.avi', await fetchFile('../assets/flame.avi')); ffmpeg.FS('writeFile', 'flame.avi', await fetchFile('../assets/flame.avi'));
ffmpeg.FS('writeFile', 'concat_list.txt', 'file flame.avi\nfile flame.avi'); ffmpeg.FS('writeFile', 'concat_list.txt', 'file flame.avi\nfile flame.avi');
await ffmpeg.run('-f', 'concat', '-safe', '0', '-i', 'concat_list.txt', 'flame.mp4'); await ffmpeg.run('-f', 'concat', '-safe', '0', '-i', 'concat_list.txt', 'flame.mp4');
fs.writeFileSync('flame.mp4', ffmpeg.FS('readFile', 'flame.mp4')); await fs.promises.writeFile('flame.mp4', ffmpeg.FS('readFile', 'flame.mp4'));
process.exit(0); process.exit(0);
})(); })();

2
examples/node/hstack.js
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@ -7,6 +7,6 @@ const ffmpeg = createFFmpeg({ log: true });
await ffmpeg.load(); await ffmpeg.load();
ffmpeg.FS('writeFile', 'flame.avi', await fetchFile('../assets/flame.avi')); ffmpeg.FS('writeFile', 'flame.avi', await fetchFile('../assets/flame.avi'));
await ffmpeg.run('-i', 'flame.avi', '-i', 'flame.avi', '-filter_complex', 'hstack', 'flame.mp4'); await ffmpeg.run('-i', 'flame.avi', '-i', 'flame.avi', '-filter_complex', 'hstack', 'flame.mp4');
fs.writeFileSync('flame.mp4', ffmpeg.FS('readFile', 'flame.mp4')); await fs.promises.writeFile('flame.mp4', ffmpeg.FS('readFile', 'flame.mp4'));
process.exit(0); process.exit(0);
})(); })();

2
examples/node/image2video.js
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@ -17,6 +17,6 @@ const ffmpeg = createFFmpeg({ log: true });
const num = `00${i}`.slice(-3); const num = `00${i}`.slice(-3);
await ffmpeg.FS('unlink', `tmp.${num}.png`); await ffmpeg.FS('unlink', `tmp.${num}.png`);
} }
fs.writeFileSync('out.mp4', ffmpeg.FS('readFile', 'out.mp4')); await fs.promises.writeFile('out.mp4', ffmpeg.FS('readFile', 'out.mp4'));
process.exit(0); process.exit(0);
})(); })();

5
examples/node/multiple-output.js
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@ -7,9 +7,8 @@ const ffmpeg = createFFmpeg({ log: true });
await ffmpeg.load(); await ffmpeg.load();
ffmpeg.FS('writeFile', 'flame.avi', await fetchFile('../assets/flame.avi')); ffmpeg.FS('writeFile', 'flame.avi', await fetchFile('../assets/flame.avi'));
await ffmpeg.run('-i', 'flame.avi', '-map', '0:v', '-r', '25', 'out_%06d.bmp'); await ffmpeg.run('-i', 'flame.avi', '-map', '0:v', '-r', '25', 'out_%06d.bmp');
ffmpeg.FS('readdir', '/').filter((p) => p.endsWith('.bmp')).forEach((p) => { ffmpeg.FS('readdir', '/').filter((p) => p.endsWith('.bmp')).forEach(async (p) => {
fs.writeFileSync(p, ffmpeg.FS('readFile', p)); await fs.promises.writeFile(p, ffmpeg.FS('readFile', p));
}); });
process.exit(0); process.exit(0);
})(); })();

3
examples/node/transcode.js
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@ -9,7 +9,6 @@ const ffmpeg = createFFmpeg({
await ffmpeg.load(); await ffmpeg.load();
ffmpeg.FS('writeFile', 'flame.avi', await fetchFile('../assets/flame.avi')); ffmpeg.FS('writeFile', 'flame.avi', await fetchFile('../assets/flame.avi'));
await ffmpeg.run('-i', 'flame.avi', 'flame.mp4'); await ffmpeg.run('-i', 'flame.avi', 'flame.mp4');
const data = ffmpeg.FS('readFile', 'flame.mp4'); await fs.promises.writeFile('flame.mp4', ffmpeg.FS('readFile', 'flame.mp4'));
fs.writeFileSync('flame.mp4', Buffer.from(data));
process.exit(0); process.exit(0);
})(); })();

2
examples/node/trim.js
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@ -7,6 +7,6 @@ const ffmpeg = createFFmpeg({ log: true });
await ffmpeg.load(); await ffmpeg.load();
ffmpeg.FS('writeFile', 'flame.avi', await fetchFile('../assets/flame.avi')); ffmpeg.FS('writeFile', 'flame.avi', await fetchFile('../assets/flame.avi'));
await ffmpeg.run('-i', 'flame.avi', '-ss', '0', '-to', '1', 'flame_trim.avi'); await ffmpeg.run('-i', 'flame.avi', '-ss', '0', '-to', '1', 'flame_trim.avi');
fs.writeFileSync('flame_trim.avi', ffmpeg.FS('readFile', 'flame_trim.avi')); await fs.promises.writeFile('flame_trim.avi', ffmpeg.FS('readFile', 'flame_trim.avi'));
process.exit(0); process.exit(0);
})(); })();