Bayan watanni goma na ci gaba, akwai kunshin multimedia na FFmpeg 4.4, wanda ya haɗa da saitin aikace-aikace da tarin ɗakunan karatu don aiki akan nau'o'in multimedia daban-daban (rikodi, juyawa da ƙaddamar da tsarin sauti da bidiyo). Ana rarraba kunshin a ƙarƙashin lasisin LGPL da GPL, ana aiwatar da haɓaka FFmpeg kusa da aikin MPlayer.
Daga cikin canje-canjen da aka ƙara zuwa FFmpeg 4.4 sune:
- An aiwatar da ikon yin amfani da VDPAU (Video Decode and Presentation) API don haɓaka haɓakar kayan aikin bidiyo a cikin tsarin HEVC / H.265 (10/12bit) da VP9 (10/12bit).
- Ana ba da tallafi don ƙaddamar da bidiyo a tsarin AV1 ta amfani da NVIDIA NVDEC da Intel QSV (Quick Sync Video) injunan haɓaka kayan aiki, da kuma amfani da DXVA2/D3D11VA API.
- An ƙara ikon ɓoye AV1 a cikin monochrome ta amfani da ɗakin karatu na libaom (yana buƙatar aƙalla sigar 2.0.1).
- An aiwatar da ikon yin rikodin bidiyo a cikin tsarin AV1 ta amfani da SVT-AV1 (Scalable Video Technology AV1), wanda ke amfani da damar yin lissafin daidaitattun kayan aikin da aka samu a cikin Intel CPUs na zamani.
- Ƙara kayan fitarwa ta hanyar tsarin AudioToolbox.
- Ƙara tallafi don ƙa'idar gophers (gopher akan TLS).
- Ƙara goyon baya ga yarjejeniya ta RIST (Mai Amintacciyar Ruwa ta Intanet) ta amfani da ɗakin karatu.
- Cire goyan bayan tushen libwavpack.
- An ƙara sabbin dikodi: AV1 (tare da ƙaddamar da ƙaddamarwar hardware), AV1 (ta hanyar VAAPI), AVS3 (ta hanyar libuavs3d), Cintel RAW, PhotoCD, PGX, IPU, MobiClip Video, MobiClip FastAudio, ADPCM IMA MOFLEX, Argonaut Wasanni Video, MSP v2 ( Microsoft Paint), Simbiosis IMX, Digital Pictures SGA.
- An ƙara sabbin maɓalli: RPZA, PFM, Cineform HD, OpenEXR, SpeedHQ, ADPCM IMA Ubisoft APM, ADPCM Argonaut Wasanni, Babban Voltage Software ADPCM, ADPCM IMA AMV, TTML (subtitles).
- Abubuwan da aka ƙara kayan kwandon kafofin watsa labarai (muxer): AMV, Rayman 2 APM, ASF (Wasannin Argonaut), TTML (subtitles), LEGO Racers ALP (.tun da .pcm).
- Abubuwan da aka haɗa kwandon kafofin watsa labarai (demuxer): AV1 (Ƙaramar bitstream), ACE, AVS3, MacCaption, MOFLEX, MODS, MCA, SVS, BRP (Wasannin Argonaut), DAT, aax, IPU, xbm_pipe, binka, Simbiosis IMX, Hotunan Dijital SGA , MSP v2 (Microsoft Paint).
- An ƙara sabbin masu fassarori: IPU, Dolby E, CRI, XBM.
- Sabbin tacewa:
- chromanr - yana rage amo a cikin bidiyo.
- afreqshift da aphaseshift - canza mita da lokacin sauti.
- adenorm - yana ƙara amo a wani matakin.
- speechnorm - yana yin daidaitaccen magana.
- asupercut - yana yanke mitoci sama da 20 kHz daga sauti.
- asubcut - yana yanke mitocin subbuffer.
- asuperpass da asuperstop - aiwatar da matatar mitar Butterworth.
- shufflepixels - yana sake tsara pixels a cikin firam ɗin bidiyo.
- tmidequalizer - aikace-aikacen Tasirin Daidaitaccen Bidiyo na Lokaci na Midway.
- estdif - rarrabawa ta amfani da Edge Slope Tracing algorithm.
- epx matatar haɓaka ce don ƙirƙirar fasahar pixel.
- Sauye-sauyen bidiyo mai ƙarfi.
- Kirsch - Aiwatar da mai aikin Kirsch zuwa bidiyo.
- colortemperature - daidaita zafin launi na bidiyo.
- colorcontrast - yana daidaita bambancin launi tsakanin abubuwan RGB don bidiyo.
- launi daidai - farin ma'auni daidaitawa don bidiyo.
- colorize — launi mai rufi akan bidiyo.
- fallasa - yana daidaita matakin fallasa don bidiyo.
- monochrome - yana canza bidiyon launi zuwa launin toka.
- aexciter - tsara manyan abubuwan haɗin sauti masu ƙarfi waɗanda ba su cikin siginar asali.
- vif da msad - ƙayyadaddun ƙayyadaddun ƙididdiga na VIF (Bayanin Kayayyakin Kayayyakin) da MSAD (Ma'anar Cikakkiyar Bambance-bambance) don kimanta bambance-bambancen tsakanin bidiyoyi biyu.
- ainihi - ƙayyade matakin bambanci tsakanin bidiyo biyu.
- setts - saita PTS (tambarin gabatarwa) da DTS (tambarin lokaci tambarin) a cikin fakiti (bitstream).
source: budenet.ru