U a+dy@s\ddlZddlZddlZddlmZddlmZddlm Z GdddZ e d d d Z dS)N)DEVNULL) get_setting)requires_durationc@sBeZdZdZdddZddZd d Zd d Zd dZddZ dS)FFMPEG_AudioWritera+ A class to write an AudioClip into an audio file. Parameters ------------ filename Name of any video or audio file, like ``video.mp4`` or ``sound.wav`` etc. size Size (width,height) in pixels of the output video. fps_input Frames per second of the input audio (given by the AUdioClip being written down). codec Name of the ffmpeg codec to use for the output. bitrate: A string indicating the bitrate of the final video. Only relevant for codecs which accept a bitrate.  libfdk_aacNc Cs||_||_|dkrtj}tddd|tjkr2dndddd|d d d|d d |d d |ddg|dkrpdgn d|ddgd |gd d |gddg|dk rd|gng| r| ng|g} t|tjd} tjdkrd| d<tj| f| |_ dS)NZ FFMPEG_BINARYz-yz -loglevelerrorinfoz-fzs%dlez-acodecz pcm_s%dlez-arz%dz-acz-i-z-vnz-vcodeccopyz-strictz-2z-ab)stdoutstderrstdinnti creationflags) filenamecodecspPIPErrosnamePopenproc) selfrZ fps_inputnbytes nchannelsrbitrateZ input_videologfile ffmpeg_paramscmdZ popen_paramsr!G/tmp/pip-unpacked-wheel-0yp4gafk/moviepy/audio/io/ffmpeg_audiowriter.py__init__%sN        zFFMPEG_AudioWriter.__init__c CszBz|jj|Wn&tk r>|jj|YnXWntk r}z|jj}t |d|j dt |}d|kr|d|j }n8d|kr|d|j |j f}nd|kr|d}n|d }t|W5d}~XYnXdS) NzN MoviePy error: FFMPEG encountered the following error while writing file %s:z sUnknown encodera  The audio export failed because FFMPEG didn't find the specified codec for audio encoding (%s). Please install this codec or change the codec when calling to_videofile or to_audiofile. For instance for mp3: >>> to_videofile('myvid.mp4', audio_codec='libmp3lame')sincorrect codec parameters ?z The audio export failed, possibly because the codec specified for the video (%s) is not compatible with the given extension (%s). Please specify a valid 'codec' argument in to_videofile. This would be 'libmp3lame' for mp3, 'libvorbis' for ogg...sencoder setup failedzq The audio export failed, possily because the bitrate you specified was two high or too low for the video codec.z In case it helps, make sure you are using a recent version of FFMPEG (the versions in the Ubuntu/Debian repos are deprecated).) rrwritetobytes NameErrortostringIOErrorrreadstrrrext)rZ frames_arrayerrZ ffmpeg_errorrr!r!r" write_framesGsD   zFFMPEG_AudioWriter.write_framescCsXt|drT|jrT|jjd|j_|jjdk rD|jjd|j_|jd|_dS)Nr)hasattrrrcloserZstdeewaitrr!r!r"r/ws    zFFMPEG_AudioWriter.closecCs |dSNr/r1r!r!r"__del__szFFMPEG_AudioWriter.__del__cCs|Sr2r!r1r!r!r" __enter__szFFMPEG_AudioWriter.__enter__cCs |dSr2r3)rexc_type exc_value tracebackr!r!r"__exit__szFFMPEG_AudioWriter.__exit__)rrrNNNN) __name__ __module__ __qualname____doc__r#r-r/r4r5r9r!r!r!r"r s "0 r libvorbisFTbarc  Cs|rt|dd} nd} t| } | d|dt||||j||| | d} |j|d||| dD]} | | q^| |r| | d ddS) z} A function that wraps the FFMPEG_AudioWriter to write an AudioClip to a file. NOTE: verbose is deprecated. z.logzw+NzMoviePy - Writing audio in %s)message)rrrrT) chunksizequantizerfpsloggerzMoviePy - Done.)openproglogZdefault_bar_loggerrrZ iter_chunksr-r/)ZcliprrCrZ buffersizerrZ write_logfileverboserrDrwriterchunkr!r!r"ffmpeg_audiowrites,     rJ)r>NFTNr?) r subprocessrrFZmoviepy.compatrZmoviepy.configrZmoviepy.decoratorsrrrJr!r!r!r"s