test-ffmpeg.js

// Direct test script for FFmpeg map-reduce generation
const fs = require('fs');
const path = require('path');
const { calculateTasks, generateFFmpegCommand } = require('./scripts/mapreduce-refactor.js');

// 测试配置 - 使用 calculateTasks 期望的格式
const clips = [
  {
    path: 'temp/BV1AN411c7mR_0.00-60.00.mp4',
    start: 0,
    end: 5,
    title: 'Test Clip 1'
  },
  {
    path: 'temp/BV1AN411c7mR_2.00-62.00.mp4',
    start: 2,
    end: 7,
    title: 'Test Clip 2'
  }
];

const settings = {
  fadeInDuration: 0.5,
  fadeOutDuration: 0.5,
  transitionAudioPath: null,
  transitionAudioDuration: 0,
  tempDir: 'temp',
  backgroundPath: 'temp/BV12J4m1x7t1_42.87-97.41.mp4',
  encoder: 'h264_nvenc',  // 使用GPU加速
  encodePreset: 'p4'  // NVENC预设: p1(最快) - p7(最慢)
};

const background = {
  head: 'temp/BV12J4m1x7t1_42.87-97.41.mp4',
  tail: 'temp/BV12J4m1x7t1_42.87-97.41.mp4'
};

console.log('=== Direct FFmpeg Test ===\n');
console.log('Clips:', JSON.stringify(clips, null, 2));

try {
  // Step 1: Calculate tasks
  console.log('\n--- Step 1: Calculate Tasks ---\n');
  const tasks = calculateTasks(clips, settings, background);
  console.log('Generated', tasks.length, 'tasks');
  console.log('Task 0:', JSON.stringify(tasks[0], null, 2));

  // Step 2: Generate FFmpeg command for first task
  console.log('\n--- Step 2: Generate FFmpeg Command for Task 0 ---\n');
  const command = generateFFmpegCommand(tasks[0], tasks[1]);
  console.log('\nGenerated FFmpeg Command:\n');
  console.log(command);
  console.log('\nCommand length:', command.length, 'characters');

  // 保存命令到文件供手动运行
  const commandStr = `${command.command} ${command.args.map(a => `"${a}"`).join(' ')}`;
  fs.writeFileSync('temp/test-ffmpeg-command.sh', commandStr);
  console.log('\n✅ Command saved to: temp/test-ffmpeg-command.sh');

} catch (error) {
  console.error('\n❌ Error:', error.message);
  console.error(error.stack);
}