o 2j @sddlZddlmmZddlmZddlmZddl m Z ddl m Z ej ejGdddZejdefd d ZeZdS) N) err_check)Packet)Stream)EAGAINc@s`eZdZdZ  ddedBdedBfddZddZejdd e dBfd d Z ejd d Z dS)BitStreamFilterContexta: Initializes a bitstream filter: a way to directly modify packet data. Wraps :ffmpeg:`AVBSFContext` :param Stream in_stream: A stream that defines the input codec for the bitfilter. :param Stream out_stream: A stream whose codec is overwritten using the output parameters from the bitfilter. N in_stream out_streamcCs0|}tjt|t|j}Wdn1swYt||durHtjt|jj|jj }Wdn1s?wYt|tjt |j}Wdn1s\wYt||durtjt|jj |jj }Wdn1swYt|t |j j|jj dSdSN)cythonnogillibav_bsf_list_parse_straddressptrravcodec_parameters_copypar_incodecpar av_bsf_initpar_outavcodec_parameters_to_context codec_context)selffilter_descriptionrr filter_strresrG/var/www/html/whisper/venv/lib/python3.10/site-packages/av/bitstream.py __cinit__s6   z BitStreamFilterContext.__cinit__cCs |jrtt|jdSdSr )rr av_bsf_freer rrrrr __dealloc__7sz"BitStreamFilterContext.__dealloc__packetcCstjt|j|dur|jntj}Wdn1swYt|g} t}tjt|j|j}Wdn1sBwY|t ksQ|tj krS|St||r[|S| |q))z Processes a packet based on the filter_description set during initialization. Multiple packets may be created. :type: list[Packet] N) r r r av_bsf_send_packetrNULLrrav_bsf_receive_packetr AVERROR_EOFappend)rr!routput new_packetrrrfilter;s&  zBitStreamFilterContext.filtercCst|jdS)z Reset the internal state of the filter. Should be called e.g. when seeking. Can be used to make the filter usable again after draining it with EOF marker packet. N)r av_bsf_flushrrrrrflush[szBitStreamFilterContext.flush)NNr ) __name__ __module__ __qualname____doc__rrr r ccallrr)r+rrrrr s  "rreturncCs8t}tj} tt|}|r||jn |Sqr )setr r#r av_bsf_iterateraddname)namesopaquerrrrget_filter_namesesr8)r cython.cimports.libavcimportslibavr cython.cimports.av.errorrcython.cimports.av.packetrcython.cimports.av.streamrcython.cimports.libc.errnorfinalcclassrcfuncr2r8bitstream_filters_availablerrrrs    Z