119 lines
4.6 KiB
Python
Executable File
119 lines
4.6 KiB
Python
Executable File
import subprocess
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import json
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import os
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from database import FFmpegProfile
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from core.state import state
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class FFmpegEngine:
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def __init__(self, profile_id=None):
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if profile_id:
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self.profile = FFmpegProfile.get_by_id(profile_id)
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else:
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self.profile = FFmpegProfile.get_or_none(FFmpegProfile.is_active == True)
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if not self.profile:
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state.log("⚠️ AVISO: Nenhum perfil FFmpeg ativo! Usando defaults.")
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def get_file_info(self, filepath):
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cmd = ['ffprobe', '-v', 'quiet', '-print_format', 'json', '-show_streams', '-show_format', filepath]
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try:
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output = subprocess.check_output(cmd).decode('utf-8')
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return json.loads(output)
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except Exception as e:
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state.log(f"Erro FFprobe: {e}")
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return None
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def get_duration(self, filepath):
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try: return float(self.get_file_info(filepath)['format']['duration'])
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except: return 0
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def build_command(self, input_file, output_file):
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if not self.profile: raise Exception("Perfil não configurado.")
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p = self.profile
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metadata = self.get_file_info(input_file)
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if not metadata: raise Exception("Arquivo inválido.")
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cmd = ['ffmpeg', '-y']
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# --- CONFIGURAÇÃO DE HARDWARE OTIMIZADA ---
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video_filters = []
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if 'vaapi' in p.video_codec:
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# TENTATIVA OTIMIZADA: HWAccel habilitado na entrada
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# Isso reduz a CPU drasticamente se o decode for suportado
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cmd.extend(['-hwaccel', 'vaapi'])
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cmd.extend(['-hwaccel_device', '/dev/dri/renderD128'])
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cmd.extend(['-hwaccel_output_format', 'vaapi'])
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# Não precisamos de 'hwupload' se o output format já é vaapi
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# Mas vamos deixar o filtro scale_vaapi caso precise redimensionar (opcional)
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# video_filters.append('scale_vaapi=format=nv12')
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elif 'qsv' in p.video_codec:
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cmd.extend(['-hwaccel', 'qsv', '-c:v', 'h264_qsv'])
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elif 'nvenc' in p.video_codec:
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cmd.extend(['-hwaccel', 'cuda'])
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# Input e Threads (Limita CPU se cair pra software decode)
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cmd.extend(['-threads', '4', '-i', input_file])
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# --- VÍDEO ---
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cmd.extend(['-map', '0:v:0'])
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if p.video_codec == 'copy':
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cmd.extend(['-c:v', 'copy'])
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else:
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cmd.extend(['-c:v', p.video_codec])
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# Filtros
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if video_filters:
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cmd.extend(['-vf', ",".join(video_filters)])
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# Qualidade
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if 'vaapi' in p.video_codec:
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# -qp é o modo Qualidade Constante do VAAPI
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# Se der erro, remova -qp e use -b:v 5M
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cmd.extend(['-qp', str(p.crf)])
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elif 'nvenc' in p.video_codec:
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cmd.extend(['-cq', str(p.crf), '-preset', p.preset])
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elif 'libx264' in p.video_codec:
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cmd.extend(['-crf', str(p.crf), '-preset', p.preset])
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# --- ÁUDIO (AAC Stereo) ---
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allowed_langs = [l.strip().lower() for l in (p.audio_langs or "").split(',')]
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audio_streams = [s for s in metadata['streams'] if s['codec_type'] == 'audio']
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acount = 0
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for s in audio_streams:
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lang = s.get('tags', {}).get('language', 'und').lower()
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if not allowed_langs or lang in allowed_langs or 'und' in allowed_langs:
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cmd.extend(['-map', f'0:{s["index"]}'])
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# AAC é leve e compatível
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cmd.extend([f'-c:a:{acount}', 'aac', f'-b:a:{acount}', '192k', f'-ac:{acount}', '2'])
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acount += 1
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if acount == 0 and audio_streams:
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cmd.extend(['-map', '0:a:0', '-c:a', 'aac', '-b:a', '192k'])
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# --- LEGENDAS (Copy) ---
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sub_allowed = [l.strip().lower() for l in (p.subtitle_langs or "").split(',')]
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sub_streams = [s for s in metadata['streams'] if s['codec_type'] == 'subtitle']
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scount = 0
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for s in sub_streams:
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lang = s.get('tags', {}).get('language', 'und').lower()
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if not sub_allowed or lang in sub_allowed or 'und' in sub_allowed:
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cmd.extend(['-map', f'0:{s["index"]}'])
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cmd.extend([f'-c:s:{scount}', 'copy'])
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scount += 1
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# Metadados
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clean_title = os.path.splitext(os.path.basename(output_file))[0]
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cmd.extend(['-metadata', f'title={clean_title}'])
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cmd.append(output_file)
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state.log(f"🛠️ CMD: {' '.join(cmd)}")
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return cmd |