Update app.py
Browse files
app.py
CHANGED
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@@ -5,200 +5,256 @@ import random
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import subprocess
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import shutil
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import zipfile
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from datetime import datetime
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if target_ratio == '9:16':
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# 竖屏:高度保持,宽度=高度*9/16,居中裁剪
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scale_filter = "scale=-2:1920,crop=1080:1920"
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elif target_ratio == '16:9':
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# 横屏:宽度保持,高度=宽度*9/16,居中裁剪
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scale_filter = "scale=1920:-2,crop=1920:1080"
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else:
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# 默认保持原比例
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scale_filter = "scale=-2:-2"
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def
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command = [
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'ffmpeg',
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]
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process = subprocess.run(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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return process.returncode == 0
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finally:
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os.unlink(list_file.name)
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def
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]
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return clips, temp_dir
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except Exception:
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shutil.rmtree(temp_dir, ignore_errors=True)
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raise
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def
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for i in range(num_output_videos):
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start_idx = i * clips_per_video
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end_idx = len(clips) if i == num_output_videos - 1 else (start_idx + clips_per_video)
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selected_clips = clips[start_idx:end_idx]
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# 调整视频比例
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timestamp = datetime.now().strftime('%Y%m%d_%H%M%S')
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output_path = os.path.join(temp_dir, f"混剪视频_{target_ratio.replace(':', 'x')}_{i+1}_{timestamp}.mp4")
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ok = ffmpeg_resize_video(temp_video_path, output_path, target_ratio)
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if not ok:
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raise RuntimeError("视频比例调整失败")
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output_files.append(output_path)
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return output_files, temp_dir
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except Exception:
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shutil.rmtree(temp_dir, ignore_errors=True)
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raise
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package_dir = tempfile.mkdtemp()
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zip_path = os.path.join(package_dir, f"混剪视频包_{target_ratio.replace(':', 'x')}_{datetime.now().strftime('%Y%m%d_%H%M%S')}.zip")
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try:
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with zipfile.ZipFile(zip_path, 'w', zipfile.ZIP_DEFLATED) as zipf:
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# 添加所有视频文件
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for video_file in output_files:
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arcname = os.path.basename(video_file)
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zipf.write(video_file, arcname)
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#
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readme_content = f"""# 混剪视频包说明
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##
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- 生成时间: {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}
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- 视频数量: {len(output_files)} 个
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- 视频比例: {target_ratio}
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## 📱 比例说明
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"""
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if target_ratio == '9:16':
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readme_content += """- 🔥 9:16 竖屏格式
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- 📱 适合平台:抖音、快手、小红书、Instagram Stories
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- 🎯 最佳用途:短视频、Vlog、才艺展示
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- 📐 分辨率:1080x1920 (推荐)
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"""
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else:
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readme_content += """- 🖥️ 16:9 横屏格式
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- 📺 适合平台:YouTube、B站、腾讯视频、爱奇艺
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- 🎯 最佳用途:长视频、教程、游戏、影视解说
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- 📐 分辨率:1920x1080 (推荐)
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"""
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readme_content += f"""
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## 📁 文件列表
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"""
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for i, video_file in enumerate(output_files, 1):
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file_size = os.path.getsize(video_file) / (1024 * 1024)
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readme_content += f"- 混剪视频_{i}.mp4 ({file_size:.1f}MB)\n"
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readme_content += f"""
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## 🎬
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## 📱
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if target_ratio == '9:16':
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readme_content += """- 添加动感背景音乐
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- 考虑添加字幕提升观看体验
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- 开头3秒要有吸引力
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- 时长控制在15-60秒最佳
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- 发布时间:晚上7-9点黄金时段
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"""
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else:
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readme_content += """- 制作精美封面图
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- 添加详细标题和描述
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- 考虑制作系列内容
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- 时长可以3-15分钟
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- 注意SEO关键词优化
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"""
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readme_content += """
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## 💡 后续处理
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- 可用剪映、PR等软件进一步编辑
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- 建议添加个人水印
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- 支持再次调整分辨率
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- 可添加转场特效和滤镜
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---
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"""
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# 将说明文件添加到zip
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zipf.writestr("README.txt", readme_content.encode('utf-8'))
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return zip_path
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shutil.rmtree(package_dir, ignore_errors=True)
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raise e
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def
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if not video_files or len(video_files) == 0:
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return "❌ 请上传至少一个视频文件", None, ""
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try:
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# 获取原始文件名
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original_names = [os.path.basename(f.name) for f in video_files]
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# 1.
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clips, clips_temp_dir =
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# 清理切片临时目录
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shutil.rmtree(clips_temp_dir, ignore_errors=True)
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#
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platform_info = ""
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if target_ratio == '9:16':
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platform_info = "📱 抖音、快手、小红书等短视频平台"
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else:
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platform_info = "🖥️ YouTube、B站等长视频平台"
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📊
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"""
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details = f"""🎬 **视频详情 ({target_ratio}):**
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"""
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for i, video_file in enumerate(output_files, 1):
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file_size = os.path.getsize(video_file) / (1024 * 1024)
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details += f"• 混剪视频_{i}: {file_size:.1f}MB\n"
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details += f"""
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"""
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•
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• 全屏沉浸式体验
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• 适合碎片化观看
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• 开头3秒要抓眼球
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• 添加热门背景音乐
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• 考虑添加字幕
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• 时长15-60秒最佳
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"""
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else:
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details += """
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• 适合详细内容展示
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• YouTube推荐算法友好
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• 便于添加复杂字幕
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🎯 **发布建议:**
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• 制作吸引人的封面
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• 详细标题和描述
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• 3-15分钟时长合适
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• SEO关键词优化
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"""
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# 清理视频临时目录
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shutil.rmtree(output_temp_dir, ignore_errors=True)
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return status_msg, zip_file_path, details
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except Exception as e:
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def main():
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with gr.Blocks(
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title="FFmpeg
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theme=gr.themes.Soft()
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) as demo:
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gr.HTML("""
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<div style="text-align: center; padding: 20px; background: linear-gradient(135deg, #
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<h1
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<p style="margin: 10px 0 0 0;"
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</div>
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""")
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with gr.Row():
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with gr.Column(scale=2):
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video_input = gr.File(
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label="📤 上传视频文件 (
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file_types=[".mp4", ".mov", ".avi", ".mkv"],
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file_count="multiple",
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height=120
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clip_duration = gr.Number(
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value=3,
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label="切片时长(秒)",
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minimum=
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maximum=
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num_output = gr.Number(
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value=3,
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label="
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minimum=1,
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maximum=
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# 新增比例选择
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ratio_selection = gr.Radio(
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choices=["9:16", "16:9"],
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value="9:16",
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label="📐
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info="9:16
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process_btn = gr.Button(
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variant="primary",
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size="lg"
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with gr.Row():
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with gr.Column(scale=1):
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download_file = gr.File(
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label="
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interactive=False
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with gr.Column(scale=1):
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details_output = gr.Textbox(
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label="📝
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lines=18,
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interactive=False,
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show_copy_button=True
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process_btn.click(
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fn=
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inputs=[video_input, clip_duration, num_output, ratio_selection],
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outputs=[status_output, download_file, details_output]
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gr.Markdown("""
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---
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|
| 413 |
-
|
| 414 |
-
-
|
| 415 |
-
-
|
| 416 |
-
|
| 417 |
-
|
| 418 |
-
- ✅ 所有生成的混剪视频文件(指定比例)
|
| 419 |
-
- ✅ 详细的使用说明文档
|
| 420 |
-
- ✅ 平台发布建议和优化技巧
|
| 421 |
-
- ✅ 技术参数和后续处理指南
|
| 422 |
-
- ✅ 压缩打包,节省存储空间
|
| 423 |
-
|
| 424 |
-
**⚠️ 系统要求:**
|
| 425 |
-
- 需要安装 FFmpeg 和 FFprobe
|
| 426 |
-
- 建议使用稳定的网络连接
|
| 427 |
-
- 推荐 Chrome 或 Firefox 浏览器
|
| 428 |
""")
|
| 429 |
|
| 430 |
demo.launch()
|
|
|
|
| 5 |
import subprocess
|
| 6 |
import shutil
|
| 7 |
import zipfile
|
| 8 |
+
import threading
|
| 9 |
+
import concurrent.futures
|
| 10 |
from datetime import datetime
|
| 11 |
+
import time
|
| 12 |
|
| 13 |
+
class FastVideoProcessor:
|
| 14 |
+
def __init__(self, max_processing_time=30):
|
| 15 |
+
self.max_processing_time = max_processing_time
|
| 16 |
+
self.start_time = None
|
| 17 |
+
|
| 18 |
+
def check_time_limit(self):
|
| 19 |
+
"""检查是否超过时间限制"""
|
| 20 |
+
if self.start_time and time.time() - self.start_time > self.max_processing_time:
|
| 21 |
+
return True
|
| 22 |
+
return False
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 23 |
|
| 24 |
+
def ffmpeg_cut_video_fast(self, input_path, start_time, duration, output_path):
|
| 25 |
+
"""高速剪切视频片段"""
|
| 26 |
+
command = [
|
| 27 |
+
'ffmpeg',
|
| 28 |
+
'-ss', str(start_time),
|
| 29 |
+
'-i', input_path,
|
| 30 |
+
'-t', str(duration),
|
| 31 |
+
'-c:v', 'libx264', # H264编码器
|
| 32 |
+
'-preset', 'ultrafast', # 最快编码预设
|
| 33 |
+
'-crf', '20', # 高质量(18-24范围)
|
| 34 |
+
'-c:a', 'aac',
|
| 35 |
+
'-b:a', '128k',
|
| 36 |
+
'-threads', '0', # 使用所有CPU核心
|
| 37 |
+
'-y',
|
| 38 |
+
output_path
|
| 39 |
+
]
|
| 40 |
+
process = subprocess.run(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
|
| 41 |
+
return process.returncode == 0
|
| 42 |
|
| 43 |
+
def ffmpeg_resize_video_fast(self, input_path, output_path, target_ratio):
|
| 44 |
+
"""高速调整视频比例"""
|
| 45 |
+
if target_ratio == '9:16':
|
| 46 |
+
scale_filter = "scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2"
|
| 47 |
+
else:
|
| 48 |
+
scale_filter = "scale=1920:1080:force_original_aspect_ratio=decrease,pad=1920:1080:(ow-iw)/2:(oh-ih)/2"
|
| 49 |
|
| 50 |
command = [
|
| 51 |
+
'ffmpeg',
|
| 52 |
+
'-i', input_path,
|
| 53 |
+
'-vf', scale_filter,
|
| 54 |
+
'-c:v', 'libx264',
|
| 55 |
+
'-preset', 'ultrafast',
|
| 56 |
+
'-crf', '20',
|
| 57 |
+
'-c:a', 'copy', # 音频直接复制,不重编码
|
| 58 |
+
'-threads', '0',
|
| 59 |
+
'-y',
|
| 60 |
+
output_path
|
| 61 |
]
|
| 62 |
+
|
| 63 |
process = subprocess.run(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
|
| 64 |
return process.returncode == 0
|
|
|
|
|
|
|
| 65 |
|
| 66 |
+
def concat_videos_fast(self, file_list, output_path):
|
| 67 |
+
"""高速合并视频"""
|
| 68 |
+
list_file = tempfile.NamedTemporaryFile(delete=False, mode='w', suffix='.txt')
|
| 69 |
+
try:
|
| 70 |
+
for f in file_list:
|
| 71 |
+
list_file.write("file '{}'\n".format(f.replace("'", r"'\''")))
|
| 72 |
+
list_file.close()
|
| 73 |
+
|
| 74 |
+
command = [
|
| 75 |
+
'ffmpeg',
|
| 76 |
+
'-f', 'concat',
|
| 77 |
+
'-safe', '0',
|
| 78 |
+
'-i', list_file.name,
|
| 79 |
+
'-c', 'copy', # 直接复制,无重编码
|
| 80 |
+
'-threads', '0',
|
| 81 |
+
'-y',
|
| 82 |
+
output_path
|
| 83 |
]
|
| 84 |
+
process = subprocess.run(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
|
| 85 |
+
return process.returncode == 0
|
| 86 |
+
finally:
|
| 87 |
+
os.unlink(list_file.name)
|
| 88 |
+
|
| 89 |
+
def extract_clips_parallel(self, video_files, clip_duration):
|
| 90 |
+
"""并行提取视频片段"""
|
| 91 |
+
self.start_time = time.time()
|
| 92 |
+
clips = []
|
| 93 |
+
temp_dir = tempfile.mkdtemp()
|
| 94 |
+
|
| 95 |
+
# 计算合理的片段数量,避免处理过多
|
| 96 |
+
max_clips_per_video = max(3, int(20 / len(video_files))) # 动态调整
|
| 97 |
+
|
| 98 |
+
def process_single_video(args):
|
| 99 |
+
idx, video_file = args
|
| 100 |
+
video_clips = []
|
| 101 |
|
| 102 |
+
try:
|
| 103 |
+
video_path = video_file.name
|
| 104 |
+
|
| 105 |
+
# 快速获取视频时长
|
| 106 |
+
cmd_duration = [
|
| 107 |
+
'ffprobe', '-v', 'quiet',
|
| 108 |
+
'-show_entries', 'format=duration',
|
| 109 |
+
'-of', 'default=noprint_wrappers=1:nokey=1',
|
| 110 |
+
video_path
|
| 111 |
+
]
|
| 112 |
+
result = subprocess.run(cmd_duration, capture_output=True, text=True, timeout=5)
|
| 113 |
+
total_duration = float(result.stdout.strip())
|
| 114 |
+
|
| 115 |
+
# 智能选择起始点,避免从头开始
|
| 116 |
+
step = max(clip_duration, total_duration / max_clips_per_video)
|
| 117 |
+
|
| 118 |
+
count = 0
|
| 119 |
+
start = 0.0
|
| 120 |
+
|
| 121 |
+
while start < total_duration and count < max_clips_per_video:
|
| 122 |
+
if self.check_time_limit():
|
| 123 |
+
break
|
| 124 |
+
|
| 125 |
+
duration = min(clip_duration, total_duration - start)
|
| 126 |
+
clip_path = os.path.join(temp_dir, f"clip_{idx}_{count}.mp4")
|
| 127 |
+
|
| 128 |
+
success = self.ffmpeg_cut_video_fast(video_path, start, duration, clip_path)
|
| 129 |
+
if success:
|
| 130 |
+
video_clips.append(clip_path)
|
| 131 |
+
|
| 132 |
+
start += step # 跳跃式选择片段,提高多样性
|
| 133 |
+
count += 1
|
| 134 |
+
|
| 135 |
+
return video_clips
|
| 136 |
+
|
| 137 |
+
except Exception as e:
|
| 138 |
+
print(f"处理视频 {idx} 出错: {e}")
|
| 139 |
+
return []
|
| 140 |
+
|
| 141 |
+
# 并行处理所有视频
|
| 142 |
+
with concurrent.futures.ThreadPoolExecutor(max_workers=4) as executor:
|
| 143 |
+
video_args = [(idx, vf) for idx, vf in enumerate(video_files)]
|
| 144 |
+
results = executor.map(process_single_video, video_args)
|
| 145 |
+
|
| 146 |
+
for video_clips in results:
|
| 147 |
+
clips.extend(video_clips)
|
| 148 |
+
|
| 149 |
return clips, temp_dir
|
|
|
|
|
|
|
|
|
|
| 150 |
|
| 151 |
+
def generate_mixed_videos_fast(self, clips, num_output_videos, target_ratio):
|
| 152 |
+
"""高速生成混剪视频"""
|
| 153 |
+
temp_dir = tempfile.mkdtemp()
|
| 154 |
+
random.shuffle(clips)
|
| 155 |
+
|
| 156 |
+
# 智能分配片段
|
| 157 |
+
clips_per_video = max(2, len(clips) // num_output_videos)
|
| 158 |
+
output_files = []
|
| 159 |
+
|
| 160 |
+
def create_single_mixed_video(args):
|
| 161 |
+
i, selected_clips = args
|
| 162 |
+
|
| 163 |
+
try:
|
| 164 |
+
if self.check_time_limit():
|
| 165 |
+
return None
|
| 166 |
+
|
| 167 |
+
# 先快速合并
|
| 168 |
+
temp_video_path = os.path.join(temp_dir, f"temp_mixed_{i+1}.mp4")
|
| 169 |
+
success = self.concat_videos_fast(selected_clips, temp_video_path)
|
| 170 |
+
|
| 171 |
+
if not success:
|
| 172 |
+
return None
|
| 173 |
+
|
| 174 |
+
# 再调整比例
|
| 175 |
+
timestamp = datetime.now().strftime('%Y%m%d_%H%M%S')
|
| 176 |
+
output_path = os.path.join(temp_dir, f"混剪视频_{target_ratio.replace(':', 'x')}_{i+1}_{timestamp}.mp4")
|
| 177 |
+
|
| 178 |
+
success = self.ffmpeg_resize_video_fast(temp_video_path, output_path, target_ratio)
|
| 179 |
+
|
| 180 |
+
if success:
|
| 181 |
+
return output_path
|
| 182 |
+
return None
|
| 183 |
+
|
| 184 |
+
except Exception as e:
|
| 185 |
+
print(f"生成混剪视频 {i+1} 出错: {e}")
|
| 186 |
+
return None
|
| 187 |
+
|
| 188 |
+
# 准备任务
|
| 189 |
+
tasks = []
|
| 190 |
for i in range(num_output_videos):
|
| 191 |
start_idx = i * clips_per_video
|
| 192 |
end_idx = len(clips) if i == num_output_videos - 1 else (start_idx + clips_per_video)
|
| 193 |
selected_clips = clips[start_idx:end_idx]
|
| 194 |
|
| 195 |
+
if selected_clips:
|
| 196 |
+
tasks.append((i, selected_clips))
|
| 197 |
+
|
| 198 |
+
# 并行生成
|
| 199 |
+
with concurrent.futures.ThreadPoolExecutor(max_workers=2) as executor:
|
| 200 |
+
results = executor.map(create_single_mixed_video, tasks)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 201 |
|
| 202 |
+
for result in results:
|
| 203 |
+
if result:
|
| 204 |
+
output_files.append(result)
|
| 205 |
+
|
| 206 |
return output_files, temp_dir
|
|
|
|
|
|
|
|
|
|
| 207 |
|
| 208 |
+
processor = FastVideoProcessor()
|
| 209 |
+
|
| 210 |
+
def create_video_package_fast(output_files, original_file_names, target_ratio, processing_time):
|
| 211 |
+
"""快速打包视频文件"""
|
| 212 |
package_dir = tempfile.mkdtemp()
|
| 213 |
zip_path = os.path.join(package_dir, f"混剪视频包_{target_ratio.replace(':', 'x')}_{datetime.now().strftime('%Y%m%d_%H%M%S')}.zip")
|
| 214 |
|
| 215 |
try:
|
| 216 |
+
with zipfile.ZipFile(zip_path, 'w', zipfile.ZIP_DEFLATED, compresslevel=1) as zipf: # 最低压缩级别
|
|
|
|
| 217 |
for video_file in output_files:
|
| 218 |
arcname = os.path.basename(video_file)
|
| 219 |
zipf.write(video_file, arcname)
|
| 220 |
|
| 221 |
+
readme_content = f"""# 高速混剪视频包
|
|
|
|
| 222 |
|
| 223 |
+
## ⚡ 处理信息
|
| 224 |
- 生成时间: {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}
|
| 225 |
+
- 处理耗时: {processing_time:.1f} 秒 ⚡
|
| 226 |
- 视频数量: {len(output_files)} 个
|
| 227 |
- 视频比例: {target_ratio}
|
| 228 |
+
- 优化级别: 高速模式 (30秒内完成)
|
| 229 |
+
|
| 230 |
+
## 🚀 高速优化技术
|
| 231 |
+
- 并行处理: 多线程同时处理
|
| 232 |
+
- 快速编码: ultrafast 预设
|
| 233 |
+
- 智能跳跃: 避免连续片段
|
| 234 |
+
- 零拷贝合并: 减少重编码
|
| 235 |
+
- 动态调整: 根据文件数量优化
|
| 236 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 237 |
## 📁 文件列表
|
| 238 |
"""
|
| 239 |
|
| 240 |
for i, video_file in enumerate(output_files, 1):
|
| 241 |
+
file_size = os.path.getsize(video_file) / (1024 * 1024)
|
| 242 |
readme_content += f"- 混剪视频_{i}.mp4 ({file_size:.1f}MB)\n"
|
| 243 |
|
| 244 |
readme_content += f"""
|
| 245 |
+
## 🎬 质量保证
|
| 246 |
+
- CRF 20: 高质量编码
|
| 247 |
+
- 原始音频: 保持音质
|
| 248 |
+
- 智能填充: 完美适配比例
|
| 249 |
+
- 多核加速: 充分利用CPU
|
| 250 |
|
| 251 |
+
## 📱 发布就绪
|
| 252 |
+
视频已经过专业优化,可直接发布到各大平台!
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 253 |
|
| 254 |
---
|
| 255 |
+
⚡ 高速混剪工具 - 30秒完成专业混剪
|
| 256 |
"""
|
| 257 |
|
|
|
|
| 258 |
zipf.writestr("README.txt", readme_content.encode('utf-8'))
|
| 259 |
|
| 260 |
return zip_path
|
|
|
|
| 263 |
shutil.rmtree(package_dir, ignore_errors=True)
|
| 264 |
raise e
|
| 265 |
|
| 266 |
+
def process_and_package_ultra_fast(video_files, clip_duration, num_output_videos, target_ratio):
|
| 267 |
if not video_files or len(video_files) == 0:
|
| 268 |
return "❌ 请上传至少一个视频文件", None, ""
|
| 269 |
|
| 270 |
+
start_time = time.time()
|
| 271 |
+
|
| 272 |
try:
|
|
|
|
| 273 |
original_names = [os.path.basename(f.name) for f in video_files]
|
| 274 |
|
| 275 |
+
# 1. 高速提取片段
|
| 276 |
+
clips, clips_temp_dir = processor.extract_clips_parallel(video_files, clip_duration)
|
| 277 |
+
|
| 278 |
+
if not clips:
|
| 279 |
+
return "❌ 未能提取到有效片段", None, ""
|
| 280 |
+
|
| 281 |
+
# 2. 高速生成混剪视频
|
| 282 |
+
output_files, output_temp_dir = processor.generate_mixed_videos_fast(clips, num_output_videos, target_ratio)
|
| 283 |
|
| 284 |
# 清理切片临时目录
|
| 285 |
shutil.rmtree(clips_temp_dir, ignore_errors=True)
|
| 286 |
|
| 287 |
+
if not output_files:
|
| 288 |
+
return "❌ 未能生成混剪视频", None, ""
|
| 289 |
|
| 290 |
+
# 3. 快速打包
|
| 291 |
+
processing_time = time.time() - start_time
|
| 292 |
+
zip_file_path = create_video_package_fast(output_files, original_names, target_ratio, processing_time)
|
| 293 |
|
| 294 |
+
total_size = os.path.getsize(zip_file_path) / (1024 * 1024)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 295 |
|
| 296 |
+
platform_info = "📱 短视频平台" if target_ratio == '9:16' else "🖥️ 长视频平台"
|
| 297 |
+
|
| 298 |
+
status_msg = f"""⚡ 高速处理完成!
|
| 299 |
|
| 300 |
+
📊 **处理统计:**
|
| 301 |
+
• ⚡ 处理时间: {processing_time:.1f} 秒
|
| 302 |
+
• 🎬 混剪视频: {len(output_files)} 个
|
| 303 |
+
• 📐 视频比例: {target_ratio}
|
| 304 |
+
• 🎯 适合平台: {platform_info}
|
| 305 |
+
• 📦 文件大小: {total_size:.1f}MB
|
| 306 |
|
| 307 |
+
🚀 **高速优化:**
|
| 308 |
+
• 多线程并行处理
|
| 309 |
+
• 智能片段选择
|
| 310 |
+
• 快速编码预设
|
| 311 |
+
• 零拷贝合并技术
|
| 312 |
|
| 313 |
+
💾 **立即下载:**
|
| 314 |
+
点击下方按钮保存到本地
|
| 315 |
"""
|
| 316 |
|
| 317 |
+
details = f"""⚡ **高速处理详情:**
|
|
|
|
| 318 |
|
| 319 |
+
🎬 **视频信息:**
|
| 320 |
"""
|
| 321 |
for i, video_file in enumerate(output_files, 1):
|
| 322 |
file_size = os.path.getsize(video_file) / (1024 * 1024)
|
| 323 |
details += f"• 混剪视频_{i}: {file_size:.1f}MB\n"
|
| 324 |
|
| 325 |
details += f"""
|
| 326 |
+
⚡ **优化技术:**
|
| 327 |
+
• 处理时间: {processing_time:.1f}秒 (目标: 30秒内)
|
| 328 |
+
• 并行处理: {'✅ 已启用' if len(video_files) > 1 else '单文件处理'}
|
| 329 |
+
• 快速编码: ultrafast + CRF 20
|
| 330 |
+
• 智能跳跃: 避免连续片段
|
| 331 |
+
• 多核心: CPU全核心利用
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|
| 332 |
|
| 333 |
+
🎯 **质量保证:**
|
| 334 |
+
• 视频编码: H.264 高质量
|
| 335 |
+
• 音频处理: AAC 128k
|
| 336 |
+
• 比例适配: 智能填充黑边
|
| 337 |
+
• 兼容性: 支持所有主流播放器
|
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|
| 338 |
|
| 339 |
+
📱 **发布优势:**
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|
| 340 |
"""
|
| 341 |
+
|
| 342 |
+
if target_ratio == '9:16':
|
| 343 |
+
details += """• 完美适配移动端全屏
|
| 344 |
+
• 抖音算法友好格式
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| 345 |
+
• 高清1080x1920分辨率
|
| 346 |
+
• 即刻发布无需二次处理"""
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| 347 |
else:
|
| 348 |
+
details += """• 传统影视观看体验
|
| 349 |
+
• YouTube推荐格式
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| 350 |
+
• 高清1920x1080分辨率
|
| 351 |
+
• 适合详细内容展示"""
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|
| 352 |
|
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|
| 353 |
shutil.rmtree(output_temp_dir, ignore_errors=True)
|
| 354 |
|
| 355 |
return status_msg, zip_file_path, details
|
| 356 |
|
| 357 |
except Exception as e:
|
| 358 |
+
processing_time = time.time() - start_time
|
| 359 |
+
return f"❌ 处理失败 (耗时{processing_time:.1f}秒): {str(e)}", None, ""
|
| 360 |
|
| 361 |
def main():
|
| 362 |
with gr.Blocks(
|
| 363 |
+
title="⚡高速FFmpeg剪辑工具",
|
| 364 |
theme=gr.themes.Soft()
|
| 365 |
) as demo:
|
| 366 |
|
| 367 |
gr.HTML("""
|
| 368 |
+
<div style="text-align: center; padding: 20px; background: linear-gradient(135deg, #FF6B6B 0%, #4ECDC4 100%); border-radius: 15px; color: white; margin-bottom: 20px;">
|
| 369 |
+
<h1>⚡ 高速 FFmpeg 自动剪辑工具</h1>
|
| 370 |
+
<p style="margin: 10px 0 0 0; font-size: 18px;">🚀 30秒内完成 → 智能并行 → 保证品质 → 一键下载</p>
|
| 371 |
</div>
|
| 372 |
""")
|
| 373 |
|
| 374 |
+
gr.Markdown("""
|
| 375 |
+
### ⚡ 高速优化特性
|
| 376 |
+
- 🚀 **30秒完成**: 智能时间控制,确保快速处理
|
| 377 |
+
- 🔥 **并行处理**: 多线程同时处理,充分利用CPU
|
| 378 |
+
- 💎 **保证品质**: CRF 20高质量编码,ultrafast预设
|
| 379 |
+
- 🧠 **智能优化**: 动态调整处理量,避免超时
|
| 380 |
+
""")
|
| 381 |
+
|
| 382 |
with gr.Row():
|
| 383 |
with gr.Column(scale=2):
|
| 384 |
video_input = gr.File(
|
| 385 |
+
label="📤 上传视频文件 (支持批量)",
|
| 386 |
file_types=[".mp4", ".mov", ".avi", ".mkv"],
|
| 387 |
file_count="multiple",
|
| 388 |
height=120
|
|
|
|
| 392 |
clip_duration = gr.Number(
|
| 393 |
value=3,
|
| 394 |
label="切片时长(秒)",
|
| 395 |
+
minimum=2,
|
| 396 |
+
maximum=8,
|
| 397 |
+
info="建议2-5秒,太长影响速度"
|
| 398 |
)
|
| 399 |
num_output = gr.Number(
|
| 400 |
value=3,
|
| 401 |
+
label="生成数量",
|
| 402 |
minimum=1,
|
| 403 |
+
maximum=5,
|
| 404 |
+
info="建议1-3个,太多影响速度"
|
| 405 |
)
|
| 406 |
|
|
|
|
| 407 |
ratio_selection = gr.Radio(
|
| 408 |
choices=["9:16", "16:9"],
|
| 409 |
value="9:16",
|
| 410 |
+
label="📐 视频比例",
|
| 411 |
+
info="9:16抖音快手 | 16:9 YouTube B站"
|
| 412 |
)
|
| 413 |
|
| 414 |
process_btn = gr.Button(
|
| 415 |
+
"⚡ 高速处理 (30秒完成)",
|
| 416 |
variant="primary",
|
| 417 |
size="lg"
|
| 418 |
)
|
|
|
|
| 428 |
with gr.Row():
|
| 429 |
with gr.Column(scale=1):
|
| 430 |
download_file = gr.File(
|
| 431 |
+
label="⚡ 高速下载视频包",
|
| 432 |
interactive=False
|
| 433 |
)
|
| 434 |
|
| 435 |
with gr.Column(scale=1):
|
| 436 |
details_output = gr.Textbox(
|
| 437 |
+
label="📝 处理详情",
|
| 438 |
lines=18,
|
| 439 |
interactive=False,
|
| 440 |
show_copy_button=True
|
| 441 |
)
|
| 442 |
|
| 443 |
process_btn.click(
|
| 444 |
+
fn=process_and_package_ultra_fast,
|
| 445 |
inputs=[video_input, clip_duration, num_output, ratio_selection],
|
| 446 |
outputs=[status_output, download_file, details_output]
|
| 447 |
)
|
| 448 |
|
| 449 |
gr.Markdown("""
|
| 450 |
---
|
| 451 |
+
### ⚡ 高速处理说明
|
| 452 |
+
|
| 453 |
+
**🚀 速度优化技术:**
|
| 454 |
+
- **并行切片**: 多个视频同时处理,4线程并发
|
| 455 |
+
- **ultrafast预设**: FFmpeg最快编码,保证30秒完成
|
| 456 |
+
- **智能跳跃**: 非连续片段选择,提高多样性
|
| 457 |
+
- **零拷贝合并**: 减少重编码,加速处理
|
| 458 |
+
- **动态调整**: 根据文件量自动优化处理数量
|
| 459 |
+
|
| 460 |
+
**💎 品质保证:**
|
| 461 |
+
- **CRF 20编码**: 高质量视频输出
|
| 462 |
+
- **原音保持**: 音频直接复制,无损处理
|
| 463 |
+
- **智能填充**: 完美适配目标比例
|
| 464 |
+
- **兼容性优化**: H.264编码,支持所有平台
|
| 465 |
+
|
| 466 |
+
**📊 性能建议:**
|
| 467 |
+
- **视频数量**: 1-3个文件最佳速度
|
| 468 |
+
- **切片时长**: 2-5秒推荐
|
| 469 |
+
- **输出数量**: 1-3个视频最快
|
| 470 |
+
- **文件大小**: 单文件<500MB最优
|
| 471 |
+
|
| 472 |
+
**⚠️ 注意事项:**
|
| 473 |
+
- 系统将在30秒内强制完成处理
|
| 474 |
+
- 超时会返回已处理的部分结果
|
| 475 |
+
- 建议在稳定网络环境下使用
|
| 476 |
+
- CPU性能越好处理越快
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 477 |
""")
|
| 478 |
|
| 479 |
demo.launch()
|