114 lines
4.3 KiB
Python
114 lines
4.3 KiB
Python
import json
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import os.path
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import time
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from entity.ffmpeg import FfmpegTask
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import logging
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from util import ffmpeg, oss
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logger = logging.getLogger('biz/ffmpeg')
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def parse_ffmpeg_task(task_info, template_info):
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tasks = []
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# 中间片段
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task_params_str = task_info.get("taskParams", "{}")
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task_params = json.loads(task_params_str)
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for part in template_info.get("video_parts"):
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source = parse_video(part.get('source'), task_params, template_info)
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if not source:
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logger.warning("no video found for part: " + str(part))
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continue
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only_if = part.get('only_if', '')
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if only_if:
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if not check_placeholder_exist(only_if, task_params):
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logger.info("because only_if exist, placeholder: %s not exist, skip part: %s", only_if, part)
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continue
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sub_ffmpeg_task = FfmpegTask(source)
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sub_ffmpeg_task.annexb = True
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sub_ffmpeg_task.frame_rate = template_info.get("frame_rate", 25)
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for lut in part.get('filters', []):
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sub_ffmpeg_task.add_lut(os.path.join(template_info.get("local_path"), lut))
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for audio in part.get('audios', []):
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sub_ffmpeg_task.add_audios(os.path.join(template_info.get("local_path"), audio))
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for overlay in part.get('overlays', []):
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sub_ffmpeg_task.add_overlay(os.path.join(template_info.get("local_path"), overlay))
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tasks.append(sub_ffmpeg_task)
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output_file = "out_" + str(time.time()) + ".mp4"
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task = FfmpegTask(tasks, output_file=output_file)
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overall = template_info.get("overall_template")
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task.frame_rate = template_info.get("frame_rate", 25)
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if overall.get('source', ''):
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source = parse_video(overall.get('source'), task_params, template_info)
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task.add_inputs(source)
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for lut in overall.get('filters', []):
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task.add_lut(os.path.join(template_info.get("local_path"), lut))
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for audio in overall.get('audios', []):
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task.add_audios(os.path.join(template_info.get("local_path"), audio))
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for overlay in overall.get('overlays', []):
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task.add_overlay(os.path.join(template_info.get("local_path"), overlay))
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return task
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def parse_video(source, task_params, template_info):
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print(source)
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if source.startswith('PLACEHOLDER_'):
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placeholder_id = source.replace('PLACEHOLDER_', '')
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new_sources = task_params.get(placeholder_id, [])
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if type(new_sources) is list:
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if len(new_sources) == 0:
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logger.debug("no video found for placeholder: " + placeholder_id)
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return None
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else:
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# TODO: Random Pick / Policy Pick
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new_sources = new_sources[0].get("url")
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if new_sources.startswith("http"):
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_, source_name = os.path.split(new_sources)
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oss.download_from_oss(new_sources, source_name)
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return source_name
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return new_sources
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return os.path.join(template_info.get("local_path"), source)
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def check_placeholder_exist(placeholder_id, task_params):
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if placeholder_id in task_params:
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new_sources = task_params.get(placeholder_id, [])
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if type(new_sources) is list:
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if len(new_sources) == 0:
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return False
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else:
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return True
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return True
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return False
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def start_ffmpeg_task(ffmpeg_task):
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for task in ffmpeg_task.analyze_input_render_tasks():
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result = start_ffmpeg_task(task)
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if not result:
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return False
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ffmpeg_task.correct_task_type()
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return ffmpeg.start_render(ffmpeg_task)
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def clear_task_tmp_file(ffmpeg_task):
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for task in ffmpeg_task.analyze_input_render_tasks():
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clear_task_tmp_file(task)
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try:
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if "template" not in ffmpeg_task.get_output_file():
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os.remove(ffmpeg_task.get_output_file())
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logger.info("delete tmp file: " + ffmpeg_task.get_output_file())
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else:
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logger.info("skip delete template file: " + ffmpeg_task.get_output_file())
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except OSError:
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logger.warning("delete tmp file failed: " + ffmpeg_task.get_output_file())
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return False
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return True
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def probe_video_info(ffmpeg_task):
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# 获取视频长度宽度和时长
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return ffmpeg.probe_video_info(ffmpeg_task.get_output_file())
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