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渲染后再to annexb，使用新逻辑拼接

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This commit is contained in:
Jerry Yan 2025-01-22 14:31:59 +08:00
parent 4c05846986
commit 29bb80f3b9
3 changed files with 16 additions and 4 deletions
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1
entity/ffmpeg.py
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@ -202,7 +202,6 @@ class FfmpegTask(object):
output_args.append("copy")
output_args.append("-f")
output_args.append("mp4")
output_args += ("-c:v", "h264_qsv", "-r", "25", "-global_quality", "28", "-look_ahead", "1")
return args + input_args + output_args + [self.get_output_file()]
output_args += ("-c:v", "h264_qsv", "-r", "25", "-global_quality", "28", "-look_ahead", "1")
filter_args = []

4
template/__init__.py
View File

@ -88,8 +88,8 @@ def download_template(template_id):
new_fp = os.path.join(template_info['local_path'], _fn)
oss.download_from_oss(_template['source'], new_fp)
if _fn.endswith(".mp4"):
from util.ffmpeg import to_annexb
new_fp = to_annexb(new_fp)
from util.ffmpeg import re_encode_and_annexb
new_fp = re_encode_and_annexb(new_fp)
_template['source'] = os.path.relpath(new_fp, template_info['local_path'])
if 'overlays' in _template:
for i in range(len(_template['overlays'])):

15
util/ffmpeg.py
View File

@ -21,6 +21,19 @@ def to_annexb(file):
else:
return file
def re_encode_and_annexb(file):
if not os.path.exists(file):
return file
logger.info("ReEncodeAndAnnexb: %s", file)
ffmpeg_process = subprocess.run(["ffmpeg", "-y", "-hide_banner", "-i", file, "-c:v", "h264_qsv", "-global_quality", "28", "-look_ahead", "1", "-bsf:v", "h264_mp4toannexb",
"-f", "mpegts", file+".ts"])
logger.info("ReEncodeAndAnnexb: %s, returned: %s", file, ffmpeg_process.returncode)
if ffmpeg_process.returncode == 0:
os.remove(file)
return file+".ts"
else:
return file
def start_render(ffmpeg_task: FfmpegTask):
logger.info(ffmpeg_task)
if not ffmpeg_task.need_run():
@ -64,7 +77,7 @@ def duration_str_to_float(duration_str: str) -> float:
def probe_video_info(video_file):
# 获取宽度和高度
result = subprocess.run(
["ffprobe.exe", '-v', 'error', '-select_streams', 'v:0', '-show_entries', 'stream=width,height:format=duration', '-of',
["ffprobe", '-v', 'error', '-select_streams', 'v:0', '-show_entries', 'stream=width,height:format=duration', '-of',
'csv=s=x:p=0', video_file],
stderr=subprocess.STDOUT,
**subprocess_args(True)