usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}... Hyper fast Audio and Video encoder Main options: -L show license -h show help -version show version -formats show available formats, codecs, protocols, ... -f fmt force format -i filename input file name -y overwrite output files -t duration record or transcode "duration" seconds of audio/video -fs limit_size set the limit file size in bytes -ss time_off set the start time offset -itsoffset time_off set the input ts offset -itsscale stream:scale set the input ts scale -timestamp time set the timestamp ('now' to set the current time) -metadata string=string add metadata -dframes number set the number of data frames to record -v number set ffmpeg verbosity level -loglevel number set libav* logging level -target type specify target file type ("vcd", "svcd", "dvd", "dv", "dv50", "pal-vcd", "ntsc-svcd", ...) -xerror exit on error Advanced options: -map file:stream[:syncfile:syncstream] set input stream mapping -map_meta_data outfile:infile set meta data information of outfile from infile -benchmark add timings for benchmarking -dump dump each input packet -hex when dumping packets, also dump the payload -re read input at native frame rate -loop_input loop (current only works with images) -loop_output number of times to loop output in formats that support looping (0 loops forever) -threads count thread count -vsync video sync method -async audio sync method -adrift_threshold threshold audio drift threshold -vglobal video global header storage type -copyts copy timestamps -shortest finish encoding within shortest input -dts_delta_threshold threshold timestamp discontinuity delta threshold -programid desired program number -copyinkf copy initial non-keyframes -muxdelay seconds set the maximum demux-decode delay -muxpreload seconds set the initial demux-decode delay Video options: -b bitrate set bitrate (in bits/s) -vb bitrate set bitrate (in bits/s) -vframes number set the number of video frames to record -r rate set frame rate (Hz value, fraction or abbreviation) -s size set frame size (WxH or abbreviation) -aspect aspect set aspect ratio (4:3, 16:9 or 1.3333, 1.7777) -croptop size set top crop band size (in pixels) -cropbottom size set bottom crop band size (in pixels) -cropleft size set left crop band size (in pixels) -cropright size set right crop band size (in pixels) -padtop size set top pad band size (in pixels) -padbottom size set bottom pad band size (in pixels) -padleft size set left pad band size (in pixels) -padright size set right pad band size (in pixels) -padcolor color set color of pad bands (Hex 000000 thru FFFFFF) -vn disable video -vcodec codec force video codec ('copy' to copy stream) -sameq use same video quality as source (implies VBR) -pass n select the pass number (1 or 2) -passlogfile prefix select two pass log file name prefix -newvideo add a new video stream to the current output stream Advanced Video options: -pix_fmt format set pixel format, 'list' as argument shows all the pixel formats supported -intra use only intra frames -vdt n discard threshold -qscale q use fixed video quantizer scale (VBR) -rc_override override rate control override for specific intervals -me_threshold threshold motion estimaton threshold -deinterlace deinterlace pictures -psnr calculate PSNR of compressed frames -vstats dump video coding statistics to file -vstats_file file dump video coding statistics to file -intra_matrix matrix specify intra matrix coeffs -inter_matrix matrix specify inter matrix coeffs -top top=1/bottom=0/auto=-1 field first -dc precision intra_dc_precision -vtag fourcc/tag force video tag/fourcc -qphist show QP histogram -force_fps force the selected framerate, disable the best supported framerate selection -vbsf bitstream_filter -vpre preset set the video options to the indicated preset Audio options: -ab bitrate set bitrate (in bits/s) -aframes number set the number of audio frames to record -aq quality set audio quality (codec-specific) -ar rate set audio sampling rate (in Hz) -ac channels set number of audio channels -an disable audio -acodec codec force audio codec ('copy' to copy stream) -vol volume change audio volume (256=normal) -newaudio add a new audio stream to the current output stream -alang code set the ISO 639 language code (3 letters) of the current audio stream Advanced Audio options: -atag fourcc/tag force audio tag/fourcc -sample_fmt format set sample format, 'list' as argument shows all the sample formats supported -absf bitstream_filter -apre preset set the audio options to the indicated preset Subtitle options: -sn disable subtitle -scodec codec force subtitle codec ('copy' to copy stream) -newsubtitle add a new subtitle stream to the current output stream -slang code set the ISO 639 language code (3 letters) of the current subtitle stream -stag fourcc/tag force subtitle tag/fourcc -sbsf bitstream_filter -spre preset set the subtitle options to the indicated preset Audio/Video grab options: -vc channel set video grab channel (DV1394 only) -tvstd standard set television standard (NTSC, PAL (SECAM)) -isync sync read on input AVCodecContext AVOptions: -b <int> E.V.. set bitrate (in bits/s) -ab <int> E..A. set bitrate (in bits/s) -bt <int> E.V.. set video bitrate tolerance (in bits/s) -flags <flags> EDVA. mv4 E.V.. use four motion vector by macroblock (mpeg4) obmc E.V.. use overlapped block motion compensation (h263+) qpel E.V.. use 1/4 pel motion compensation loop E.V.. use loop filter gmc E.V.. use gmc mv0 E.V.. always try a mb with mv=<0,0> part E.V.. use data partitioning gray EDV.. only decode/encode grayscale psnr E.V.. error[?] variables will be set during encoding naq E.V.. normalize adaptive quantization ildct E.V.. use interlaced dct low_delay EDV.. force low delay alt E.V.. enable alternate scantable (mpeg2/mpeg4) global_header E.VA. place global headers in extradata instead of every keyframe bitexact EDVAS use only bitexact stuff (except (i)dct) aic E.V.. h263 advanced intra coding / mpeg4 ac prediction umv E.V.. use unlimited motion vectors cbp E.V.. use rate distortion optimization for cbp qprd E.V.. use rate distortion optimization for qp selection aiv E.V.. h263 alternative inter vlc slice E.V.. ilme E.V.. interlaced motion estimation scan_offset E.V.. will reserve space for svcd scan offset user data cgop E.V.. closed gop -me_method <int> E.V.. set motion estimation method zero E.V.. zero motion estimation (fastest) full E.V.. full motion estimation (slowest) epzs E.V.. EPZS motion estimation (default) esa E.V.. esa motion estimation (alias for full) tesa E.V.. tesa motion estimation dia E.V.. dia motion estimation (alias for epzs) log E.V.. log motion estimation phods E.V.. phods motion estimation x1 E.V.. X1 motion estimation hex E.V.. hex motion estimation umh E.V.. umh motion estimation iter E.V.. iter motion estimation -g <int> E.V.. set the group of picture size -cutoff <int> E..A. set cutoff bandwidth -frame_size <int> E..A. -qcomp <float> E.V.. video quantizer scale compression (VBR) -qblur <float> E.V.. video quantizer scale blur (VBR) -qmin <int> E.V.. min video quantizer scale (VBR) -qmax <int> E.V.. max video quantizer scale (VBR) -qdiff <int> E.V.. max difference between the quantizer scale (VBR) -bf <int> E.V.. use 'frames' B frames -b_qfactor <float> E.V.. qp factor between p and b frames -rc_strategy <int> E.V.. ratecontrol method -b_strategy <int> E.V.. strategy to choose between I/P/B-frames -hurry_up <int> .DV.. -ps <int> E.V.. rtp payload size in bits -bug <flags> .DV.. workaround not auto detected encoder bugs autodetect .DV.. old_msmpeg4 .DV.. some old lavc generated msmpeg4v3 files (...
krzych_89