o 2j@s|ddlZddlmZddlmZddlmZddlm Z ddl m Z ddl m Z ddlmZejejGd d d eZdS) N)libav)Packet)Stream)avrational_to_fraction) VideoFrame)int32_t)memcpyc@seZdZddZddZejddedBfddZejdd e dBfd d Z ej d d Z ej ddZ ddZd ddZeddZeddZeddZeddZeddZdS)! VideoStreamc Csn|jdurd|jdt|ddSd|jd|jd|jr"|jjndd|jjd|jjdt|dd S)Nz at 0xx> z, z at 0x) codec_contextindexidnameformatwidthheightselfrJ/var/www/html/whisper/venv/lib/python3.10/site-packages/av/video/stream.py__repr__s zVideoStream.__repr__cCsV|dvrtdt|jd|d|jdur%tdt|jd|dt|j|S)N) frameraterate'z' object has no attribute ')AttributeErrortype__name__r getattr)rrrrr __getattr__s  zVideoStream.__getattr__NframecCs,|j|}|D] }||_|jj|j_q|S)z Encode an :class:`.VideoFrame` and return a list of :class:`.Packet`. :rtype: list[Packet] .. seealso:: This is mostly a passthrough to :meth:`.CodecContext.encode`. )r encode_streamptrr stream_index)rr!packetspacketrrrr""s zVideoStream.encoder'cCs |j|S)z Decode a :class:`.Packet` and return a list of :class:`.VideoFrame`. :rtype: list[VideoFrame] .. seealso:: This is a passthrough to :meth:`.CodecContext.decode`. )r decode)rr'rrrr(3s zVideoStream.decodecCs.t||jdur|jr|dSdSdSN)r_finalize_for_outputr _has_display_matrix_apply_display_matrixrrrrr*>s  z VideoStream._finalize_for_outputcCs`dtt}tt|jjjt|jjj tj |d}|tj kr&t dt |j|j|dS)N rz+could not allocate display matrix side data)cythonsizeofrlibav_packet_side_data_newaddressr$codecparcoded_side_datanb_coded_side_dataAV_PKT_DATA_DISPLAYMATRIXNULL MemoryErrorrdata_display_matrix)rnsdrrrr,Fs z!VideoStream._apply_display_matrixcCsZ|dur d|_dSdd|D}t|dkrtdtdD] }|||j|<qd|_dS)aBSet the display matrix written to the container as coded side data. ``matrix`` is a sequence of 9 integers in FFmpeg's ``AV_PKT_DATA_DISPLAYMATRIX`` layout, or ``None`` to clear. Must be called before the first frame is encoded. See :meth:`set_display_rotation` for a higher-level helper. NFcSsg|]}t|qSr)int).0vrrr `sz2VideoStream.set_display_matrix..r-z+display matrix must have exactly 9 elementsT)r+len ValueErrorranger:)rmatrixvalsirrrset_display_matrixUs   zVideoStream.set_display_matrixFcCs6t|jt| t|jt|t|d|_dS)ahSet the container display matrix from a rotation and optional flips. ``degrees`` is a counter-clockwise rotation (matching the value read back from :attr:`VideoFrame.rotation`); ``hflip`` / ``vflip`` mirror after it. Together these express all eight EXIF orientations. Must be called before the first frame is encoded. TN)r0av_display_rotation_setr:floatav_display_matrix_flipboolr+)rdegreeshflipvfliprrrset_display_rotationhs  z VideoStream.set_display_rotationcCtt|jjS)z The average frame rate of this video stream. This is calculated when the file is opened by looking at the first few frames and averaging their rate. :type: fractions.Fraction | None )rr.r2r$avg_frame_raterrrr average_ratevs zVideoStream.average_ratecCrP)a The base frame rate of this stream. This is calculated as the lowest framerate at which the timestamps of frames can be represented accurately. See :ffmpeg:`AVStream.r_frame_rate` for more. :type: fractions.Fraction | None )rr.r2r$ r_frame_raterrrr base_rates zVideoStream.base_ratecCs"ttj|jtj}tt|S)zThe guessed frame rate of this stream. This is a wrapper around :ffmpeg:`av_guess_frame_rate`, and uses multiple heuristics to decide what is "the" frame rate. :type: fractions.Fraction | None )r0av_guess_frame_rater.r7r$rr2)rvalrrr guessed_rates zVideoStream.guessed_ratecCs$t|jj|jtj}tt|S)aThe guessed sample aspect ratio (SAR) of this stream. This is a wrapper around :ffmpeg:`av_guess_sample_aspect_ratio`, and uses multiple heuristics to decide what is "the" sample aspect ratio. :type: fractions.Fraction | None )r0av_guess_sample_aspect_ratio containerr$r.r7rr2)rsarrrrsample_aspect_ratios zVideoStream.sample_aspect_ratiocCsTttj}tt|jt|j|jj |j j|jj |j jdt t|S)zThe guessed display aspect ratio (DAR) of this stream. This is calculated from :meth:`.VideoStream.guessed_sample_aspect_ratio`. :type: fractions.Fraction | None i) r.declarer0 AVRational av_reducer2numdenrrr[rr)rdarrrrdisplay_aspect_ratios   z VideoStream.display_aspect_ratior))FF)r __module__ __qualname__rr r.ccallrr"rr(cfuncr*r,rGrOpropertyrRrTrWr[rbrrrrr s.          r )r.cython.cimportsrr0cython.cimports.av.packetrcython.cimports.av.streamrcython.cimports.av.utilsrcython.cimports.av.video.framercython.cimports.libc.stdintrcython.cimports.libc.stringrfinalcclassr rrrrs