FFmpeg 系列文章目錄

【FFmpeg】Windows 搭建 FFmpeg 命令行運(yùn)行環(huán)境

【FFmpeg】FFmpeg 相關(guān)術(shù)語(yǔ)簡(jiǎn)介 ( 容器 | 媒體流 | 數(shù)據(jù)幀 | 數(shù)據(jù)包 | 編解碼器 | 復(fù)用 | 解復(fù)用 )
【FFmpeg】FFmpeg 相關(guān)術(shù)語(yǔ)簡(jiǎn)介 二
【FFmpeg】FFmpeg 幫助文檔使用

【FFmpeg】使用 FFmpeg 處理音視頻格式轉(zhuǎn)換流程 ( 解復(fù)用 | 解碼 | 幀處理 | 編碼 | 復(fù)用 )

【FFmpeg】ffmpeg 命令查詢(xún)一 ( 版本 | 編譯配置 | 復(fù)用格式 | 編解碼器 )
【FFmpeg】ffmpeg 命令查詢(xún)二 ( 比特流過(guò)濾器 | 可用協(xié)議 | 過(guò)濾器 | 像素格式 | 標(biāo)準(zhǔn)聲道布局 | 音頻采樣格式 | 顏色名稱(chēng) )

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文章目錄

• FFmpeg 系列文章目錄
• 一、顯示可用的比特流過(guò)濾器
• 二、顯示可用協(xié)議
• 三、顯示可用過(guò)濾器
• 四、顯示可用像素格式
• 五、顯示標(biāo)準(zhǔn)聲道布局
• 六、顯示可用的音頻采樣格式
• 七、顯示可用的顏色名稱(chēng)

一、顯示可用的比特流過(guò)濾器

---

幫助文檔對(duì)應(yīng)內(nèi)容 :

-bsfs show available bit stream filters // 顯示可用的比特流 filters 過(guò)濾器

顯示可用的比特流過(guò)濾器命令 :

ffmpeg -bsfs

執(zhí)行過(guò)程 :

命令行輸出 :

D:\ffmpeg>ffmpeg -bsfs ffmpeg version n4.4-19-g8d172d9409 Copyright (c) 2000-2021 the FFmpeg developersbuilt with gcc 10-win32 (GCC) 20210408configuration: --prefix=/ffbuild/prefix --pkg-config-flags=--static --pkg-config=pkg-config --cross-prefix=x86_64-w64-mingw32- --arch=x86_64 --target-os=mingw32 --enable-gpl --enable-version3 --disable-debug --enable-shared --disable-static --disable-w32threads --enable-pthreads --enable-iconv --enable-libxml2 --enable-zlib --enable-libfreetype --enable-libfribidi --enable-gmp --enable-lzma --enable-fontconfig --enable-libvorbis --enable-opencl --enable-libvmaf --enable-vulkan --enable-amf --enable-libaom --enable-avisynth --enable-libdav1d --enable-libdavs2 --enable-ffnvcodec --enable-cuda-llvm --enable-libglslang --enable-libgme --enable-libass --enable-libbluray --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvpx --enable-libwebp --enable-lv2 --enable-libmfx --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librav1e --enable-librubberband --enable-schannel --enable-sdl2 --enable-libsoxr --enable-libsrt --enable-libsvtav1 --enable-libtwolame --enable-libuavs3d --enable-libvidstab --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libzimg --extra-cflags=-DLIBTWOLAME_STATIC --extra-cxxflags= --extra-ldflags=-pthread --extra-ldexeflags= --extra-libs=-lgomplibavutil 56. 70.100 / 56. 70.100libavcodec 58.134.100 / 58.134.100libavformat 58. 76.100 / 58. 76.100libavdevice 58. 13.100 / 58. 13.100libavfilter 7.110.100 / 7.110.100libswscale 5. 9.100 / 5. 9.100libswresample 3. 9.100 / 3. 9.100libpostproc 55. 9.100 / 55. 9.100 Bitstream filters: aac_adtstoasc av1_frame_merge av1_frame_split av1_metadata chomp dump_extra dca_core eac3_core extract_extradata filter_units h264_metadata h264_mp4toannexb h264_redundant_pps hapqa_extract hevc_metadata hevc_mp4toannexb imxdump mjpeg2jpeg mjpegadump mp3decomp mpeg2_metadata mpeg4_unpack_bframes mov2textsub noise null opus_metadata pcm_rechunk prores_metadata remove_extra setts text2movsub trace_headers truehd_core vp9_metadata vp9_raw_reorder vp9_superframe vp9_superframe_splitD:\ffmpeg>

二、顯示可用協(xié)議

---

幫助文檔對(duì)應(yīng)內(nèi)容 :

-protocols show available protocols // 顯示可用協(xié)議 , 如 rtmp , rtsp 等

顯示可用協(xié)議命令 :

ffmpeg -protocols

執(zhí)行過(guò)程 : 常見(jiàn)的協(xié)議如 ftp , http , rtmp 等 ; 注意該協(xié)議分 輸入 ( Input ) 和 輸出 ( Output ) 兩類(lèi)協(xié)議 , 輸入?yún)f(xié)議 和 輸出協(xié)議 可能不同時(shí)支持 , 如 async 協(xié)議支持輸入 , 不支持輸出 ; 大部分 如 http 同時(shí)支持輸入與輸出 ;

命令行輸出 :

D:\ffmpeg>ffmpeg -protocols ffmpeg version n4.4-19-g8d172d9409 Copyright (c) 2000-2021 the FFmpeg developersbuilt with gcc 10-win32 (GCC) 20210408configuration: --prefix=/ffbuild/prefix --pkg-config-flags=--static --pkg-config=pkg-config --cross-prefix=x86_64-w64-mingw32- --arch=x86_64 --target-os=mingw32 --enable-gpl --enable-version3 --disable-debug --enable-shared --disable-static --disable-w32threads --enable-pthreads --enable-iconv --enable-libxml2 --enable-zlib --enable-libfreetype --enable-libfribidi --enable-gmp --enable-lzma --enable-fontconfig --enable-libvorbis --enable-opencl --enable-libvmaf --enable-vulkan --enable-amf --enable-libaom --enable-avisynth --enable-libdav1d --enable-libdavs2 --enable-ffnvcodec --enable-cuda-llvm --enable-libglslang --enable-libgme --enable-libass --enable-libbluray --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvpx --enable-libwebp --enable-lv2 --enable-libmfx --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librav1e --enable-librubberband --enable-schannel --enable-sdl2 --enable-libsoxr --enable-libsrt --enable-libsvtav1 --enable-libtwolame --enable-libuavs3d --enable-libvidstab --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libzimg --extra-cflags=-DLIBTWOLAME_STATIC --extra-cxxflags= --extra-ldflags=-pthread --extra-ldexeflags= --extra-libs=-lgomplibavutil 56. 70.100 / 56. 70.100libavcodec 58.134.100 / 58.134.100libavformat 58. 76.100 / 58. 76.100libavdevice 58. 13.100 / 58. 13.100libavfilter 7.110.100 / 7.110.100libswscale 5. 9.100 / 5. 9.100libswresample 3. 9.100 / 3. 9.100libpostproc 55. 9.100 / 55. 9.100 Supported file protocols: Input:asyncbluraycacheconcatcryptodataffrtmpcryptffrtmphttpfileftpgophergophershlshttphttpproxyhttpsmmshmmstpipertmprtmpertmpsrtmptrtmptertmptsrtpsrtpsubfiletcptlsudpudplitesrt Output:cryptoffrtmpcryptffrtmphttpfileftpgophergophershttphttpproxyhttpsicecastmd5pipeprompegrtmprtmpertmpsrtmptrtmptertmptsrtpsrtpteetcptlsudpudplitesrtD:\ffmpeg>

三、顯示可用過(guò)濾器

---

幫助文檔對(duì)應(yīng)內(nèi)容 :

-filters show available filters // 顯示可用的過(guò)濾器 , 可用于 : 改變播放速度 , 加水印 , 加 Logo

顯示可用過(guò)濾器命令 : 過(guò)濾器 可用于 : 改變播放速度 , 加水印 , 加 Logo ;

ffmpeg -filters

執(zhí)行過(guò)程 : 過(guò)濾器有很多 , 只貼出第一頁(yè) ;

命令行輸出 :

D:\ffmpeg>ffmpeg -filters ffmpeg version n4.4-19-g8d172d9409 Copyright (c) 2000-2021 the FFmpeg developersbuilt with gcc 10-win32 (GCC) 20210408configuration: --prefix=/ffbuild/prefix --pkg-config-flags=--static --pkg-config=pkg-config --cross-prefix=x86_64-w64-mingw32- --arch=x86_64 --target-os=mingw32 --enable-gpl --enable-version3 --disable-debug --enable-shared --disable-static --disable-w32threads --enable-pthreads --enable-iconv --enable-libxml2 --enable-zlib --enable-libfreetype --enable-libfribidi --enable-gmp --enable-lzma --enable-fontconfig --enable-libvorbis --enable-opencl --enable-libvmaf --enable-vulkan --enable-amf --enable-libaom --enable-avisynth --enable-libdav1d --enable-libdavs2 --enable-ffnvcodec --enable-cuda-llvm --enable-libglslang --enable-libgme --enable-libass --enable-libbluray --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvpx --enable-libwebp --enable-lv2 --enable-libmfx --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librav1e --enable-librubberband --enable-schannel --enable-sdl2 --enable-libsoxr --enable-libsrt --enable-libsvtav1 --enable-libtwolame --enable-libuavs3d --enable-libvidstab --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libzimg --extra-cflags=-DLIBTWOLAME_STATIC --extra-cxxflags= --extra-ldflags=-pthread --extra-ldexeflags= --extra-libs=-lgomplibavutil 56. 70.100 / 56. 70.100libavcodec 58.134.100 / 58.134.100libavformat 58. 76.100 / 58. 76.100libavdevice 58. 13.100 / 58. 13.100libavfilter 7.110.100 / 7.110.100libswscale 5. 9.100 / 5. 9.100libswresample 3. 9.100 / 3. 9.100libpostproc 55. 9.100 / 55. 9.100 Filters:T.. = Timeline support.S. = Slice threading..C = Command supportA = Audio input/outputV = Video input/outputN = Dynamic number and/or type of input/output| = Source or sink filter... abench A->A Benchmark part of a filtergraph...C acompressor A->A Audio compressor.... acontrast A->A Simple audio dynamic range compression/expansion filter.... acopy A->A Copy the input audio unchanged to the output.... acue A->A Delay filtering to match a cue.... acrossfade AA->A Cross fade two input audio streams..S. acrossover A->N Split audio into per-bands streams...C acrusher A->A Reduce audio bit resolution.TS. adeclick A->A Remove impulsive noise from input audio.TS. adeclip A->A Remove clipping from input audio.T.. adelay A->A Delay one or more audio channels.TSC adenorm A->A Remedy denormals by adding extremely low-level noise.... aderivative A->A Compute derivative of input audio.... aecho A->A Add echoing to the audio.TSC aemphasis A->A Audio emphasis.T.. aeval A->A Filter audio signal according to a specified expression.T.C aexciter A->A Enhance high frequency part of audio.T.C afade A->A Fade in/out input audio.TSC afftdn A->A Denoise audio samples using FFT.... afftfilt A->A Apply arbitrary expressions to samples in frequency domain..SC afir N->N Apply Finite Impulse Response filter with supplied coefficients in additional stream(s).... aformat A->A Convert the input audio to one of the specified formats.TSC afreqshift A->A Apply frequency shifting to input audio.T.C agate A->A Audio gate..S. aiir A->N Apply Infinite Impulse Response filter with supplied coefficients.... aintegral A->A Compute integral of input audio.... ainterleave N->A Temporally interleave audio inputs.... alimiter A->A Audio lookahead limiter.TSC allpass A->A Apply a two-pole all-pass filter.... aloop A->A Loop audio samples.... amerge N->A Merge two or more audio streams into a single multi-channel stream.T.. ametadata A->A Manipulate audio frame metadata...C amix N->A Audio mixing.... amultiply AA->A Multiply two audio streams.TSC anequalizer A->N Apply high-order audio parametric multi band equalizer.TSC anlmdn A->A Reduce broadband noise from stream using Non-Local Means..SC anlms AA->A Apply Normalized Least-Mean-Squares algorithm to first audio stream.

四、顯示可用像素格式

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幫助文檔對(duì)應(yīng)內(nèi)容 :

-pix_fmts show available pixel formats // 顯示可用的像素格式

顯示可用像素格式命令 :

ffmpeg -pix_fmts

執(zhí)行過(guò)程 : 像素格式有很多 , 只貼出第一頁(yè) ;

命令行輸出 :

D:\ffmpeg>ffmpeg -pix_fmts ffmpeg version n4.4-19-g8d172d9409 Copyright (c) 2000-2021 the FFmpeg developersbuilt with gcc 10-win32 (GCC) 20210408configuration: --prefix=/ffbuild/prefix --pkg-config-flags=--static --pkg-config=pkg-config --cross-prefix=x86_64-w64-mingw32- --arch=x86_64 --target-os=mingw32 --enable-gpl --enable-version3 --disable-debug --enable-shared --disable-static --disable-w32threads --enable-pthreads --enable-iconv --enable-libxml2 --enable-zlib --enable-libfreetype --enable-libfribidi --enable-gmp --enable-lzma --enable-fontconfig --enable-libvorbis --enable-opencl --enable-libvmaf --enable-vulkan --enable-amf --enable-libaom --enable-avisynth --enable-libdav1d --enable-libdavs2 --enable-ffnvcodec --enable-cuda-llvm --enable-libglslang --enable-libgme --enable-libass --enable-libbluray --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvpx --enable-libwebp --enable-lv2 --enable-libmfx --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librav1e --enable-librubberband --enable-schannel --enable-sdl2 --enable-libsoxr --enable-libsrt --enable-libsvtav1 --enable-libtwolame --enable-libuavs3d --enable-libvidstab --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libzimg --extra-cflags=-DLIBTWOLAME_STATIC --extra-cxxflags= --extra-ldflags=-pthread --extra-ldexeflags= --extra-libs=-lgomplibavutil 56. 70.100 / 56. 70.100libavcodec 58.134.100 / 58.134.100libavformat 58. 76.100 / 58. 76.100libavdevice 58. 13.100 / 58. 13.100libavfilter 7.110.100 / 7.110.100libswscale 5. 9.100 / 5. 9.100libswresample 3. 9.100 / 3. 9.100libpostproc 55. 9.100 / 55. 9.100 Pixel formats: I.... = Supported Input format for conversion .O... = Supported Output format for conversion ..H.. = Hardware accelerated format ...P. = Paletted format ....B = Bitstream format FLAGS NAME NB_COMPONENTS BITS_PER_PIXEL ----- IO... yuv420p 3 12 IO... yuyv422 3 16 IO... rgb24 3 24 IO... bgr24 3 24 IO... yuv422p 3 16 IO... yuv444p 3 24 IO... yuv410p 3 9 IO... yuv411p 3 12 IO... gray 1 8 IO..B monow 1 1 IO..B monob 1 1 I..P. pal8 1 8 IO... yuvj420p 3 12 IO... yuvj422p 3 16 IO... yuvj444p 3 24 IO... uyvy422 3 16 ..... uyyvyy411 3 12 IO... bgr8 3 8 .O..B bgr4 3 4 IO... bgr4_byte 3 4 IO... rgb8 3 8 .O..B rgb4 3 4 IO... rgb4_byte 3 4

像素格式屬性 :

Pixel formats: I.... = Supported Input format for conversion .O... = Supported Output format for conversion ..H.. = Hardware accelerated format ...P. = Paletted format ....B = Bitstream format

yuv420p 分辨率格式 :

NB_COMPONENTS = 3 表示該分辨率格式有 $3$ 個(gè)成分 , 分別是 Y 分量 , U 分量 , V 分量 ;
BITS_PER_PIXEL = 12 表示每個(gè)像素點(diǎn)平均下來(lái)有多少比特構(gòu)成 , $12$ 比特是 $1.5$ 字節(jié) ;

FLAGS NAME NB_COMPONENTS BITS_PER_PIXEL ----- IO... yuv420p 3 12

rgb24 分辨率格式 :

NB_COMPONENTS = 3 表示該分辨率格式有 $3$ 個(gè)成分 , 分別是 R 分量 , G 分量 , B 分量 ;
BITS_PER_PIXEL = 24 表示每個(gè)像素點(diǎn)平均下來(lái)有多少比特構(gòu)成 , $24$ 比特是 $3$ 字節(jié) ;

FLAGS NAME NB_COMPONENTS BITS_PER_PIXEL ----- IO... rgb24 3 24

gray 分辨率格式 : 灰度模式只有 $1$ 個(gè)灰度值 ;

NB_COMPONENTS = 1 表示該分辨率格式有 $1$ 個(gè)成分 , 是灰度分量 , 取值范圍 $0$ ~ $255$ ;
BITS_PER_PIXEL = 8 表示每個(gè)像素點(diǎn)平均下來(lái)有多少比特構(gòu)成 , $8$ 比特是 $1$ 字節(jié) ;

FLAGS NAME NB_COMPONENTS BITS_PER_PIXEL ----- IO... gray 1 8

五、顯示標(biāo)準(zhǔn)聲道布局

---

幫助文檔對(duì)應(yīng)內(nèi)容 :

-layouts show standard channel layouts // 顯示標(biāo)準(zhǔn)聲道布局

顯示標(biāo)準(zhǔn)聲道布局命令 :

ffmpeg -layouts

執(zhí)行過(guò)程 :

命令行輸出 :

D:\ffmpeg>ffmpeg -layouts ffmpeg version n4.4-19-g8d172d9409 Copyright (c) 2000-2021 the FFmpeg developersbuilt with gcc 10-win32 (GCC) 20210408configuration: --prefix=/ffbuild/prefix --pkg-config-flags=--static --pkg-config=pkg-config --cross-prefix=x86_64-w64-mingw32- --arch=x86_64 --target-os=mingw32 --enable-gpl --enable-version3 --disable-debug --enable-shared --disable-static --disable-w32threads --enable-pthreads --enable-iconv --enable-libxml2 --enable-zlib --enable-libfreetype --enable-libfribidi --enable-gmp --enable-lzma --enable-fontconfig --enable-libvorbis --enable-opencl --enable-libvmaf --enable-vulkan --enable-amf --enable-libaom --enable-avisynth --enable-libdav1d --enable-libdavs2 --enable-ffnvcodec --enable-cuda-llvm --enable-libglslang --enable-libgme --enable-libass --enable-libbluray --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvpx --enable-libwebp --enable-lv2 --enable-libmfx --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librav1e --enable-librubberband --enable-schannel --enable-sdl2 --enable-libsoxr --enable-libsrt --enable-libsvtav1 --enable-libtwolame --enable-libuavs3d --enable-libvidstab --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libzimg --extra-cflags=-DLIBTWOLAME_STATIC --extra-cxxflags= --extra-ldflags=-pthread --extra-ldexeflags= --extra-libs=-lgomplibavutil 56. 70.100 / 56. 70.100libavcodec 58.134.100 / 58.134.100libavformat 58. 76.100 / 58. 76.100libavdevice 58. 13.100 / 58. 13.100libavfilter 7.110.100 / 7.110.100libswscale 5. 9.100 / 5. 9.100libswresample 3. 9.100 / 3. 9.100libpostproc 55. 9.100 / 55. 9.100 Individual channels: NAME DESCRIPTION FL front left FR front right FC front center LFE low frequency BL back left BR back right FLC front left-of-center FRC front right-of-center BC back center SL side left SR side right TC top center TFL top front left TFC top front center TFR top front right TBL top back left TBC top back center TBR top back right DL downmix left DR downmix right WL wide left WR wide right SDL surround direct left SDR surround direct right LFE2 low frequency 2 TSL top side left TSR top side right BFC bottom front center BFL bottom front left BFR bottom front rightStandard channel layouts: NAME DECOMPOSITION mono FC stereo FL+FR 2.1 FL+FR+LFE 3.0 FL+FR+FC 3.0(back) FL+FR+BC 4.0 FL+FR+FC+BC quad FL+FR+BL+BR quad(side) FL+FR+SL+SR 3.1 FL+FR+FC+LFE 5.0 FL+FR+FC+BL+BR 5.0(side) FL+FR+FC+SL+SR 4.1 FL+FR+FC+LFE+BC 5.1 FL+FR+FC+LFE+BL+BR 5.1(side) FL+FR+FC+LFE+SL+SR 6.0 FL+FR+FC+BC+SL+SR 6.0(front) FL+FR+FLC+FRC+SL+SR hexagonal FL+FR+FC+BL+BR+BC 6.1 FL+FR+FC+LFE+BC+SL+SR 6.1(back) FL+FR+FC+LFE+BL+BR+BC 6.1(front) FL+FR+LFE+FLC+FRC+SL+SR 7.0 FL+FR+FC+BL+BR+SL+SR 7.0(front) FL+FR+FC+FLC+FRC+SL+SR 7.1 FL+FR+FC+LFE+BL+BR+SL+SR 7.1(wide) FL+FR+FC+LFE+BL+BR+FLC+FRC 7.1(wide-side) FL+FR+FC+LFE+FLC+FRC+SL+SR octagonal FL+FR+FC+BL+BR+BC+SL+SR hexadecagonal FL+FR+FC+BL+BR+BC+SL+SR+TFL+TFC+TFR+TBL+TBC+TBR+WL+WR downmix DL+DR 22.2 FL+FR+FC+LFE+BL+BR+FLC+FRC+BC+SL+SR+TC+TFL+TFC+TFR+TBL+TBC+TBR+LFE2+TSL+TSR+BFC+BFL+BFRD:\ffmpeg>

前置左聲道 :

FL front left

前置右聲道 :

FR front right

前置中間聲道 :

FC front center

低音炮 :

LFE low frequency

立體聲 = 前置左聲道 + 前置右聲道

stereo FL+FR

單聲道 = 前置中間聲道

mono FC

六、顯示可用的音頻采樣格式

---

幫助文檔對(duì)應(yīng)內(nèi)容 :

-sample_fmts show available audio sample formats // 顯示可用的音頻采樣格式

顯示可用的音頻采樣格式命令 :

ffmpeg -sample_fmts

執(zhí)行過(guò)程 :

命令行輸出 :

D:\ffmpeg>ffmpeg -sample_fmts ffmpeg version n4.4-19-g8d172d9409 Copyright (c) 2000-2021 the FFmpeg developersbuilt with gcc 10-win32 (GCC) 20210408configuration: --prefix=/ffbuild/prefix --pkg-config-flags=--static --pkg-config=pkg-config --cross-prefix=x86_64-w64-mingw32- --arch=x86_64 --target-os=mingw32 --enable-gpl --enable-version3 --disable-debug --enable-shared --disable-static --disable-w32threads --enable-pthreads --enable-iconv --enable-libxml2 --enable-zlib --enable-libfreetype --enable-libfribidi --enable-gmp --enable-lzma --enable-fontconfig --enable-libvorbis --enable-opencl --enable-libvmaf --enable-vulkan --enable-amf --enable-libaom --enable-avisynth --enable-libdav1d --enable-libdavs2 --enable-ffnvcodec --enable-cuda-llvm --enable-libglslang --enable-libgme --enable-libass --enable-libbluray --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvpx --enable-libwebp --enable-lv2 --enable-libmfx --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librav1e --enable-librubberband --enable-schannel --enable-sdl2 --enable-libsoxr --enable-libsrt --enable-libsvtav1 --enable-libtwolame --enable-libuavs3d --enable-libvidstab --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libzimg --extra-cflags=-DLIBTWOLAME_STATIC --extra-cxxflags= --extra-ldflags=-pthread --extra-ldexeflags= --extra-libs=-lgomplibavutil 56. 70.100 / 56. 70.100libavcodec 58.134.100 / 58.134.100libavformat 58. 76.100 / 58. 76.100libavdevice 58. 13.100 / 58. 13.100libavfilter 7.110.100 / 7.110.100libswscale 5. 9.100 / 5. 9.100libswresample 3. 9.100 / 3. 9.100libpostproc 55. 9.100 / 55. 9.100 name depth u8 8 s16 16 s32 32 flt 32 dbl 64 u8p 8 s16p 16 s32p 32 fltp 32 dblp 64 s64 64 s64p 64D:\ffmpeg>

每個(gè)音頻采樣為 16 位 ; 注意 s16 與 s16p 是不同的 ;

s16 16 s16p 16

七、顯示可用的顏色名稱(chēng)

---

幫助文檔對(duì)應(yīng)內(nèi)容 :

-colors show available color names // 顯示可用的顏色名稱(chēng)

顯示可用的顏色名稱(chēng)命令 :

ffmpeg -colors

執(zhí)行過(guò)程 :

命令行輸出 :

D:\ffmpeg>ffmpeg -colors ffmpeg version n4.4-19-g8d172d9409 Copyright (c) 2000-2021 the FFmpeg developersbuilt with gcc 10-win32 (GCC) 20210408configuration: --prefix=/ffbuild/prefix --pkg-config-flags=--static --pkg-config=pkg-config --cross-prefix=x86_64-w64-mingw32- --arch=x86_64 --target-os=mingw32 --enable-gpl --enable-version3 --disable-debug --enable-shared --disable-static --disable-w32threads --enable-pthreads --enable-iconv --enable-libxml2 --enable-zlib --enable-libfreetype --enable-libfribidi --enable-gmp --enable-lzma --enable-fontconfig --enable-libvorbis --enable-opencl --enable-libvmaf --enable-vulkan --enable-amf --enable-libaom --enable-avisynth --enable-libdav1d --enable-libdavs2 --enable-ffnvcodec --enable-cuda-llvm --enable-libglslang --enable-libgme --enable-libass --enable-libbluray --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvpx --enable-libwebp --enable-lv2 --enable-libmfx --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librav1e --enable-librubberband --enable-schannel --enable-sdl2 --enable-libsoxr --enable-libsrt --enable-libsvtav1 --enable-libtwolame --enable-libuavs3d --enable-libvidstab --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libzimg --extra-cflags=-DLIBTWOLAME_STATIC --extra-cxxflags= --extra-ldflags=-pthread --extra-ldexeflags= --extra-libs=-lgomplibavutil 56. 70.100 / 56. 70.100libavcodec 58.134.100 / 58.134.100libavformat 58. 76.100 / 58. 76.100libavdevice 58. 13.100 / 58. 13.100libavfilter 7.110.100 / 7.110.100libswscale 5. 9.100 / 5. 9.100libswresample 3. 9.100 / 3. 9.100libpostproc 55. 9.100 / 55. 9.100 name #RRGGBB AliceBlue #f0f8ff AntiqueWhite #faebd7 Aqua #00ffff Aquamarine #7fffd4 Azure #f0ffff Beige #f5f5dc Bisque #ffe4c4 Black #000000 BlanchedAlmond #ffebcd Blue #0000ff BlueViolet #8a2be2 Brown #a52a2a BurlyWood #deb887 CadetBlue #5f9ea0 Chartreuse #7fff00 Chocolate #d2691e Coral #ff7f50 CornflowerBlue #6495ed Cornsilk #fff8dc Crimson #dc143c Cyan #00ffff DarkBlue #00008b DarkCyan #008b8b DarkGoldenRod #b8860b DarkGray #a9a9a9 DarkGreen #006400 DarkKhaki #bdb76b DarkMagenta #8b008b DarkOliveGreen #556b2f Darkorange #ff8c00 DarkOrchid #9932cc DarkRed #8b0000 DarkSalmon #e9967a DarkSeaGreen #8fbc8f DarkSlateBlue #483d8b DarkSlateGray #2f4f4f DarkTurquoise #00ced1 DarkViolet #9400d3 DeepPink #ff1493 DeepSkyBlue #00bfff DimGray #696969 DodgerBlue #1e90ff FireBrick #b22222 FloralWhite #fffaf0 ForestGreen #228b22 Fuchsia #ff00ff Gainsboro #dcdcdc GhostWhite #f8f8ff Gold #ffd700 GoldenRod #daa520 Gray #808080 Green #008000 GreenYellow #adff2f HoneyDew #f0fff0 HotPink #ff69b4 IndianRed #cd5c5c Indigo #4b0082 Ivory #fffff0 Khaki #f0e68c Lavender #e6e6fa LavenderBlush #fff0f5 LawnGreen #7cfc00 LemonChiffon #fffacd LightBlue #add8e6 LightCoral #f08080 LightCyan #e0ffff LightGoldenRodYellow #fafad2 LightGreen #90ee90 LightGrey #d3d3d3 LightPink #ffb6c1 LightSalmon #ffa07a LightSeaGreen #20b2aa LightSkyBlue #87cefa LightSlateGray #778899 LightSteelBlue #b0c4de LightYellow #ffffe0 Lime #00ff00 LimeGreen #32cd32 Linen #faf0e6 Magenta #ff00ff Maroon #800000 MediumAquaMarine #66cdaa MediumBlue #0000cd MediumOrchid #ba55d3 MediumPurple #9370d8 MediumSeaGreen #3cb371 MediumSlateBlue #7b68ee MediumSpringGreen #00fa9a MediumTurquoise #48d1cc MediumVioletRed #c71585 MidnightBlue #191970 MintCream #f5fffa MistyRose #ffe4e1 Moccasin #ffe4b5 NavajoWhite #ffdead Navy #000080 OldLace #fdf5e6 Olive #808000 OliveDrab #6b8e23 Orange #ffa500 OrangeRed #ff4500 Orchid #da70d6 PaleGoldenRod #eee8aa PaleGreen #98fb98 PaleTurquoise #afeeee PaleVioletRed #d87093 PapayaWhip #ffefd5 PeachPuff #ffdab9 Peru #cd853f Pink #ffc0cb Plum #dda0dd PowderBlue #b0e0e6 Purple #800080 Red #ff0000 RosyBrown #bc8f8f RoyalBlue #4169e1 SaddleBrown #8b4513 Salmon #fa8072 SandyBrown #f4a460 SeaGreen #2e8b57 SeaShell #fff5ee Sienna #a0522d Silver #c0c0c0 SkyBlue #87ceeb SlateBlue #6a5acd SlateGray #708090 Snow #fffafa SpringGreen #00ff7f SteelBlue #4682b4 Tan #d2b48c Teal #008080 Thistle #d8bfd8 Tomato #ff6347 Turquoise #40e0d0 Violet #ee82ee Wheat #f5deb3 White #ffffff WhiteSmoke #f5f5f5 Yellow #ffff00 YellowGreen #9acd32D:\ffmpeg>

前者是別名 , 后面是 RGB 顏色值 , 這 $3$ 個(gè)分量 , 每個(gè)分量占 $1$ 字節(jié) , 橙色 的顏色值為 $\#\mathrm{f}\mathrm{f}\mathrm{a}500$ ;

Orange #ffa500 《新程序員》：云原生和全面數(shù)字化實(shí)踐50位技術(shù)專(zhuān)家共同創(chuàng)作，文字、視頻、音頻交互閱讀

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