
    J	j%                         d Z ddlZddlZddlZddlZddlZddlmZ dZdZ	 ej                         dz  dz  dz  Zej                  d	d	
       d ZddZddZddZd ZddZddZd Zedk(  r e        yy)u  
video_edit.py — Local video editing via FFmpeg.

Operations supported:
  cut-silence    Remove silent portions
  cut-segment    Extract a time range
  speed          Change playback speed
  merge          Concatenate multiple videos
  add-music      Overlay audio track
  export-format  Convert to format/codec

Usage:
    python3 video_edit.py <operation> [options]

Requires: ffmpeg and ffprobe in /home/claw/.local/tools/ffmpeg/
    N)Pathz%/home/claw/.local/tools/ffmpeg/ffmpegz&/home/claw/.local/tools/ffmpeg/ffprobez	.openclaw	workspacetmpT)parentsexist_okc           
          t         ddddddt        |       g}t        j                  |dd      }t	        j
                  |j                        S )	z.Return duration, size, codec info via ffprobe.z-verrorz-show_entriesz7format=duration,size:stream=codec_name,codec_type,indexz-ofjsonTcapture_outputtext)FFPROBEstr
subprocessrunr
   loadsstdout)
video_pathcmdresults      L/home/claw/.openclaw/workspace/skills/video-edit-local/scripts/video_edit.pyprober       sJ     	wRvs:C
 ^^C4@F::fmm$$    c                    t         dt        |       dd| d| dddg}t        j                  |dd	      }|j                  j                  d
d      j                         }ddl}g g }
}	|D ]}  }|j                  d|      }|r)|	j                  t        |j                  d                   |j                  d|      }|sU|
j                  t        |j                  d                    t        t        |       d   d         }g d}}t        |	|
      D ]=  \  }}t        |||z
        }t        |||z         }||kD  r|j                  ||f       |}? ||k  r|j                  ||f       |st!        d       yt"        dz  }g }t%        |d      5 }t'        |      D ]  \  }\  }}t"        d|ddz  }|j                  |       t        j                  t         ddt        |      dt        |       dt        ||z
        dd d!d"d#d$d%d&d'd(t        |      gd)       |j)                  d*| d+        	 ddd       t        j                  t         ddd,d-d.dt        |      dd d!d"d#d$d%d&d'd(t        |      gd)      j*                  dk(  }|j-                          |D ]#  }|j/                         s|j-                          % |S # 1 sw Y   xY w)/z+Remove silent segments using silencedetect.-iz-afzsilencedetect=noise=zdB:d=-fnull-Tr   zutf-8replace)errorsr   Nzsilence_start:\s*([\d.]+)   z;silence_end:\s*([\d.]+)\s*\|\s*silence_duration:\s*([\d.]+)formatdurationg        u9   [WARN] No segments to keep — video may have no silencesFzconcat_segments.txtwseg_03dz.mp4-y-ss-t-c:vlibx264-presetfast-crf23-c:aaac-b:a128kr   file ''
concat-safe0)FFMPEGr   r   r   stderrdecode
splitlinesresearchappendfloatgroupr   zipmaxminprintWORKDIRopen	enumeratewrite
returncodeunlinkexists)input_videooutput_videothreshold_dbmin_durationpaddingr   rlinesr>   start_times	end_timeslinem	total_dursegmentslast_endse	list_file	tmp_filesfiseg_fileoksegs                            r   op_cut_silencere   +   s    	c+&%l^5GfcC
 	s4d;AHHOOGIO6AACEK 0II2D9uQWWQZ01IITVZ[U1771:./0 eK(2:>?I ShHK+ 1!g+&	1w;'x<OOXqM* )9-.IJ //II	i	 ,"8, 
	,IAv14#wd!33HX&NNeSVT3{3Cc!a%j	9ffdvvH #$ GGfXJc*+
	,, 
dHgsc)n	9ffdvvL 
 'J!
,B  ::<JJL I7, ,s   B KKc                    t         dg}||dt        |      gz  }|dt        |       gz  }||dt        |r||z
  n|      gz  }|ddddd	d
ddddt        |      gz  }t        j                  |d      j                  dk(  S )z$Extract a time range from the video.r'   r(   r   r)   r*   r+   r,   r-   r.   r/   r0   r1   r2   r3   Tr4   r   r:   r   r   r   rK   )rN   rO   startendr   s        r   op_cut_segmentrj   r   s    4.Cs5z""D#k"##C
c#+C899	9ffdvvL C
 >>#d3>>!CCr   c                     |dk  rt        d       yt        ddt        |       ddd|z   d	d
dt        t	        |d      d       ddddddddddt        |      g}t        j                  |d      j                  dk(  S )z&Speed up or slow down video by factor.r   z [ERROR] Speed factor must be > 0Fr'   r   z	-filter:vzsetpts=r!   z*PTSz	-filter:azatempo=      ?       @r*   r+   r,   r-   r.   r/   r0   r1   r2   r3   Tr4   )rF   r:   r   rE   rD   r   r   rK   )rN   rO   factorr   s       r   op_speedro      s    {01dC,wqxj-ws3vs#3S9:;	9ffdvvLC >>#d3>>!CCr   c                 |   t         dz  }t        |d      5 }| D ].  }|j                  dt        |      j	                          d       0 	 ddd       t        j                  t        dddd	d
dt        |      ddddddddddt        |      gd      j                  dk(  }|j                          |S # 1 sw Y   hxY w)z%Concatenate multiple videos into one.zmerge_list.txtr$   r5   r6   Nr'   r   r7   r8   r9   r   r*   r+   r,   r-   r.   r/   r0   r1   r2   r3   Tr4   r   )rG   rH   rJ   r   resolver   r   r:   r   rK   rL   )input_videosrO   r^   r`   vrc   s         r   op_mergert      s    **I	i	 5 	5AGGfT!W__./s34	55 
dHgsc)n	9ffdvvL 
 'J!
,B I5 5s   4B22B;c                     t         ddt        |       dt        |      dd| ddddd	d
dddddt        |      g}t        j                  |d      j                  dk(  S )z"Overlay background music on video.r'   r   z-filter_complexz[1:a]volume=z0[music];[0:a][music]amix=inputs=2:duration=firstr*   r+   r,   r-   r.   r/   r0   r1   r2   r3   Tr4   r   rg   )r   
audio_pathoutput_pathmusic_volumer   s        r   op_add_musicry      sm     	c*otS_
|n$TU	9ffdvvKC >>#d3>>!CCr   c                     |dk(  rd}n|dk(  rd}n
|dk(  rd}nd}t         ddt        |       d	d
dddt        |      ddddt        |      g}t        j                  |d      j                  dk(  S )z)Export video to a different format/codec.mp4z4-c:v libx264 -preset fast -crf {} -c:a aac -b:a 128kwebmz+-c:v libvpx-vp9 -crf {} -b:v 0 -c:a libopusmovz-c copy -c:a copyr'   r   r*   r+   r,   r-   r.   r0   r1   r2   r3   Tr4   r   rg   )rN   rO   fmtcrfcodecr   s         r   op_export_formatr      s    
e|F	=	F#dC,	9ffc#hvvL	C >>#d3>>!CCr   c                  P
   t        j                  d      } | j                  dg dd       | j                  dt         j                  d	       | j	                         }d
dddddd}||j
                     \  }}|j
                  dk(  rt        j                         }|j                  d       |j                  d       |j                  dt        d       |j                  dt        d       |j                  dt        d       |j	                  |j                        }t        |j                  |j                  |j                  |j                  |j                        }nx|j
                  dk(  rt        j                         }|j                  d       |j                  d       |j                  dt        d       |j                  dt        d       |j	                  |j                        }t        |j                  |j                  |j                  |j                         }n|j
                  dk(  rt        j                         }|j                  d       |j                  d       |j                  d t        d!       |j	                  |j                        }t#        |j                  |j                  |j$                        }n|j
                  d"k(  r{t        j                         }|j                  d#d$%       |j                  d       |j	                  |j                        }t'        |j(                  d d& |j(                  d&         }n|j
                  d'k(  rt        j                         }|j                  d(       |j                  d)       |j                  d*       |j                  d+t        d,       |j	                  |j                        }t+        |j,                  |j.                  |j0                  |j2                        }n|j
                  d-k(  rt        j                         }|j                  d       |j                  d       |j                  d.d/0       |j                  d1t4        d2       |j	                  |j                        }t7        |j                  |j                  |j8                  |j:                        }rt=        d3|j
                   d4       y t=        d5|j
                   d6       t?        j@                  d7       y )8NzLocal video editing via FFmpeg)description	operation)cut-silencecut-segmentspeedmerge	add-musicexport-formatzEditing operation)choiceshelpargszOperation arguments)nargsr   )z9<input> <output> [--threshold-db DB] [--min-duration SEC]   )z&<input> <output> --start SEC --end SEC   )z<input> <output> --factor FLOAT   )z <input1> <input2> [...] <output>r   )z)<video> <audio> <output> [--volume FLOAT]r   )z&<input> <output> --format mp4|webm|movr   r   rN   rO   z--threshold-db)typedefaultz--min-durationrl   z	--padding皙?r   z--startT)r   requiredz--endr   z--factorrm   r   rr   +)r   r   r   rv   rw   z--volume333333?r   z--formatr{   )r   z--crf   z[OK] u    → completedz[FAIL] u    → failedr!   )!argparseArgumentParseradd_argument	REMAINDER
parse_argsr   rA   r   re   rN   rO   rP   rQ   rR   rj   rh   ri   ro   rn   rt   rr   ry   r   rv   rw   volumeintr   r"   r   rF   sysexit)parserr   opsdescmin_argsparc   s           r   mainr      s   $$1QRF
 .  ! h&8&8?TUDZF?@IFC (ND(~~&##%	}%q~~n'E	'eSA	'eSA	{<LL#AMM1>>1>>1>>[\[d[de	=	(##%	}%q~~n'E	yut<	wUT:LL#AMM1>>177AEEJ	7	"##%	}%q~~n'E	zs;LL#ammQ^^QXX>	7	"##%	~S1	~&LL#annSb)1>>"+=>	;	&##%	|$ann\&B	}%q~~juVY~'ZLL#!,,ammQXXN	?	*##%	}%q~~n'E	z51	wS"5LL#ammQ^^QXXquuM	dnn%^45'{34r   __main__)r   rl   r   )NN)rm   )r   )r{   r   )__doc__r   r
   r   r   ospathlibr   r:   r   homerG   mkdirr   re   rj   ro   rt   ry   r   r   __name__ r   r   <module>r      s   "    
 	 	0
2
$))+
#k
1E
9 dT *%DND D "DD&?D zF r   