初始化项目
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ae0f022880
11
auto_convert_flv_to_mp4.py
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11
auto_convert_flv_to_mp4.py
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from glob import glob
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import os
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for file in glob("*.flv"):
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new_file = file.replace(".flv", ".mp4")
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os.system(" ".join([
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"ffmpeg", "-i", file,
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"-c copy", "-f mp4",
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new_file,
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]))
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129
auto_merge_video.py
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129
auto_merge_video.py
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import os
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import subprocess
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import re
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import copy
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import time
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template_video_part = {
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"filename": "",
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"file_ext": "flv",
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"start": "",
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"end": "",
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"part_start": "",
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"duration": "",
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}
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template_current_video = {
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"parts": [],
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"pack_ext": "mp4",
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"out_ext": "mp4",
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"suffix": "",
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"target_name": "",
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}
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def merge_video_parts_and_split(video):
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if len(video["parts"]) <= 1:
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raise Exception("视频片段不够")
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prev_part = video["parts"].pop(0)
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if prev_part["part_start"] is None:
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raise Exception("视频片段part_start读取异常")
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ts_part = []
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for part in video["parts"]:
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if part["part_start"] is None:
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raise Exception("视频片段part_start读取异常")
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if prev_part["duration"] == "":
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duration = float(part["part_start"]) - float(prev_part["part_start"])
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if duration <= 60:
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raise Exception("视频片段duration过小")
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prev_part["duration"] = str(duration)
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new_filename = str(time.time())
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os.system(" ".join([
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"ffmpeg", "-y", "-i", "{filename}.{file_ext}".format_map(prev_part),
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"-c copy", "-f mpegts", "-t {duration}".format_map(prev_part),
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"{}.ts".format(new_filename)
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]))
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os.system(" ".join([
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"ffmpeg", "-y", "-i", "{}.ts".format(new_filename),
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"-c copy", "-f mpegts", "-ss {start}".format_map(prev_part) if prev_part["start"] != "" else "",
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"-to {end}".format_map(prev_part) if prev_part["end"] != "" else "",
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"{filename}.ts".format_map(prev_part)
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]))
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os.remove("{}.ts".format(new_filename))
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ts_part.append("{filename}.ts".format_map(prev_part))
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prev_part = part
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os.system(" ".join([
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"ffmpeg", "-y", "-i", "{filename}.{file_ext}".format_map(prev_part),
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"-c copy", "-f mpegts", "-ss {start}".format_map(prev_part) if prev_part["start"] != "" else "",
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"-to {end}".format_map(prev_part) if prev_part["end"] != "" else "",
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"{filename}.ts".format_map(prev_part)
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]))
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ts_part.append("{filename}.ts".format_map(prev_part))
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os.system(" ".join([
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"ffmpeg", "-y", "-i", "\"concat:{}\"".format("|".join(ts_part)),
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"-c copy", "-f {pack_ext}".format_map(video),
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"{target_name}{suffix}.{out_ext}".format_map(video),
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]))
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for _delete in ts_part:
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os.remove(_delete)
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def get_video_part_start(file):
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s = subprocess.Popen([
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"ffprobe", file
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], bufsize=0, stderr=subprocess.PIPE, universal_newlines=True)
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while True:
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line = s.stderr.readline()
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if line == "" and not s.poll():
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break
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line = line.strip()
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match = re.search(r", start: (\d+\.\d+)", line)
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if match:
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return match.group(1)
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with open("../a.txt", "r", encoding="gbk") as f:
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skip_current = False
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current_video = copy.deepcopy(template_current_video)
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for current_line in f.readlines():
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current_line = current_line.strip()
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if current_line == "":
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if skip_current:
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skip_current = False
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else:
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merge_video_parts_and_split(current_video)
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current_video = copy.deepcopy(template_current_video)
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continue
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if current_line.startswith("=" * 5):
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break
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if "-" in current_line:
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skip_current = True
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continue
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if "~" in current_line:
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file_params = current_line.split("~")
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for file_param in file_params:
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video_part = copy.deepcopy(template_video_part)
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bias_time = ""
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if "+" in file_param:
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filename, bias_time = file_param.split("+", 1)
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else:
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filename = file_param
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if "." in filename:
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filename, file_ext = filename.split(".", 1)
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video_part['file_ext'] = file_ext
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video_part["filename"] = filename
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if current_video["suffix"] == "":
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suffix, _ = filename.split("_")
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current_video['suffix'] = "_" + suffix[4:]
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if len(current_video["parts"]) == 0:
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video_part['start'] = bias_time
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else:
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video_part['end'] = bias_time
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video_part['part_start'] = get_video_part_start("{filename}.{file_ext}".format_map(video_part))
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current_video["parts"].append(video_part)
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continue
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else:
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if len(current_video["parts"]) == 0:
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skip_current = True
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continue
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current_video['target_name'] = current_line
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continue
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55
auto_split_video.py
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55
auto_split_video.py
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import os
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import copy
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template_current_video = {
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"filename": "",
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"file_ext": "mp4",
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"pack_ext": "mp4",
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"out_ext": "mp4",
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"start": "",
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"end": "",
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"suffix": "",
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"target_name": "",
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}
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current_line = ""
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with open("../a.txt", "r", encoding="GB2312") as f:
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skip_current = False
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current_video_params = copy.deepcopy(template_current_video)
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for current_line in f.readlines():
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current_line = current_line.strip()
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if current_line == "":
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if skip_current:
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skip_current = False
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else:
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os.system(" ".join([
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"ffmpeg", "-y", "-i", "{filename}.{file_ext}".format_map(current_video_params),
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"-c copy", "-f {pack_ext}".format_map(current_video_params),
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"-ss","{start}".format_map(current_video_params),
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"-to","{end}".format_map(current_video_params),
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"{target_name}{suffix}.{out_ext}".format_map(current_video_params),
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]))
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current_video_params = copy.deepcopy(template_current_video)
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continue
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if current_line.startswith("=" * 5):
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break
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if "~" in current_line:
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skip_current = True
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continue
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if "+" in current_line and "-" in current_line:
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filename, time_series = current_line.split("+", 1)
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if "." in filename:
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filename, file_ext = filename.split(".", 1)
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current_video_params['file_ext'] = file_ext
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current_video_params['filename'] = filename
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suffix, _ = filename.split("_")
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current_video_params['suffix'] = "_"+suffix[4:]
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start, end = time_series.split("-", 1)
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current_video_params['start'] = start
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current_video_params['end'] = end
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else:
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if current_video_params['filename'] == "":
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skip_current = True
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continue
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current_video_params['target_name'] = current_line
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continue
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