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分辨率和裁切

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This commit is contained in:
Jerry Yan
2025-03-04 17:13:03 +08:00
parent 9d178a3d34
commit 4549b0ab44
3 changed files with 25 additions and 5 deletions
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13
entity/ffmpeg.py
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@ -1,3 +1,4 @@
import json
import time
import uuid
from typing import Any
@ -48,6 +49,7 @@ class FfmpegTask(object):
_str += f', effects={self.effects}'
if self.mute:
_str += f', mute={self.mute}'
_str += f', center_cut={self.center_cut}'
return _str + ')'
def analyze_input_render_tasks(self):
@ -171,11 +173,14 @@ class FfmpegTask(object):
elif isinstance(input_file, FfmpegTask):
input_args.append(input_file.get_output_file())
if self.center_cut == 1:
pos_json = self.ext_data.get('posJson', {})
pos_json_str = self.ext_data.get('posJson', '{}')
pos_json = json.loads(pos_json_str)
_v_w = pos_json.get('imgWidth', 1)
_f_x = pos_json.get('ltX', 0)
_x = f'{float(_f_x/_v_w) :.5f}*iw'
filter_args.append(f"[{video_output_str}]crop=x={_x}:y=0:w=ih*ih/iw:h=ih[{video_output_str}]")
_f_x2 = pos_json.get('rbX', 0)
_x = f'{float((_f_x2 - _f_x)/(2 * _v_w)) :.4f}*iw'
filter_args.append(f"{video_output_str}crop=x={_x}:y=0:w=ih*ih/iw:h=ih[v_cut]")
video_output_str = "[v_cut]"
for effect in self.effects:
if effect.startswith("cameraShot:"):
param = effect.split(":", 2)[1]
@ -200,7 +205,7 @@ class FfmpegTask(object):
...
...
for lut in self.luts:
filter_args.append(f"[{video_output_str}]lut3d=file={lut}[{video_output_str}]")
filter_args.append(f"{video_output_str}lut3d=file={lut}{video_output_str}")
for overlay in self.overlays:
input_index = input_args.count("-i")
input_args.append("-i")