Hyper fast Audio and Video encoder
usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...
Main options:
-L show license
-h show help
-? show help
-help show help
--help show help
-version show version
-formats show available formats
-codecs show available codecs
-bsfs show available bit stream filters
-protocols show available protocols
-filters show available filters
-pix_fmts show available pixel formats
-sample_fmts show available audio sample formats
-loglevel loglevel set libav* logging level
-v loglevel set libav* logging level
-debug flags set debug flags
-fdebug flags set debug flags
-report generate a report
-max_alloc bytes set maximum size of a single allocated block
-f fmt force format
-i filename input file name
-y overwrite output files
-n do not overwrite output files
-c codec codec name
-codec codec codec name
-pre preset preset name
-map_metadata outfile[,metadata]:infile[,metadata] set metadata information of outfile from infile
-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 scale set the input ts scale
-timestamp time set the recording timestamp ('now' to set the current time)
-metadata string=string add metadata
-dframes number set the number of data frames to record
-timelimit limit set max runtime in seconds
-target type specify target file type ("vcd", "svcd", "dvd", "dv", "dv50", "pal-vcd", "ntsc-svcd", ...)
-xerror exit on error
-frames number set the number of frames to record
-tag fourcc/tag force codec tag/fourcc
-filter filter_list set stream filterchain
-stats print progress report during encoding
-attach filename add an attachment to the output file
-dump_attachment filename extract an attachment into a file
-bsf bitstream_filters A comma-separated list of bitstream filters
-dcodec codec force data codec ('copy' to copy stream)
Advanced options:
-cpuflags flags force specific cpu flags
-map [-]input_file_id[:stream_specifier][,sync_file_id[:stream_s set input stream mapping
-map_channel file.stream.channel[:syncfile.syncstream] map an audio channel from one stream to another
-map_chapters input_file_index set chapters mapping
-benchmark add timings for benchmarking
-benchmark_all add timings for each task
-dump dump each input packet
-hex when dumping packets, also dump the payload
-re read input at native frame rate
-vsync video sync method
-async audio sync method
-adrift_threshold threshold audio drift threshold
-copyts copy timestamps
-copytb mode copy input stream time base when stream copying
-shortest finish encoding within shortest input
-dts_delta_threshold threshold timestamp discontinuity delta threshold
-dts_error_threshold threshold timestamp error delta threshold
-copyinkf copy initial non-keyframes
-q q use fixed quality scale (VBR)
-qscale q use fixed quality scale (VBR)
-profile profile set profile
-filter_complex graph_description create a complex filtergraph
-debug_ts print timestamp debugging info
-streamid streamIndex:value set the value of an outfile streamid
-muxdelay seconds set the maximum demux-decode delay
-muxpreload seconds set the initial demux-decode delay
-fpre filename set options from indicated preset file
Video options:
-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)
-bits_per_raw_sample number set the number of bits per raw sample
-croptop size Removed, use the crop filter instead
-cropbottom size Removed, use the crop filter instead
-cropleft size Removed, use the crop filter instead
-cropright size Removed, use the crop filter instead
-padtop size Removed, use the pad filter instead
-padbottom size Removed, use the pad filter instead
-padleft size Removed, use the pad filter instead
-padright size Removed, use the pad filter instead
-padcolor color Removed, use the pad filter instead
-vn disable video
-vcodec codec force video codec ('copy' to copy stream)
-sameq use same quantizer as source (implies VBR)
-same_quant use same quantizer as source (implies VBR)
-timecode hh:mm:ss[:;.]ff set initial TimeCode value.
-pass n select the pass number (1 or 2)
-passlogfile prefix select two pass log file name prefix
-vf filter list video filters
-b bitrate video bitrate (please use -b:v)
-dn disable data
Advanced Video options:
-pix_fmt format set pixel format
-intra deprecated use -g 1
-vdt n discard threshold
-rc_override override rate control override for specific intervals
-deinterlace this option is deprecated, use the yadif filter instead
-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
-force_key_frames timestamps force key frames at specified timestamps
-vbsf video bitstream_filters deprecated
-vpre preset set the video options to the indicated preset
Audio options:
-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)
-af filter list audio filters
Advanced Audio options:
-atag fourcc/tag force audio tag/fourcc
-sample_fmt format set sample format
-channel_layout layout set channel layout
-absf audio bitstream_filters deprecated
-apre preset set the audio options to the indicated preset
Subtitle options:
-sn disable subtitle
-scodec codec force subtitle codec ('copy' to copy stream)
-stag fourcc/tag force subtitle tag/fourcc
-spre preset set the subtitle options to the indicated preset
Audio/Video grab options:
-vc channel deprecated, use -channel
-tvstd standard deprecated, use -standard
-isync sync read on input
AVCodecContext AVOptions:
-b <int> E.VA. 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). In 1-pass mode, bitrate tolerance specifies how far ratecontrol is willing to deviate from the target average bitrate value. This is not related to min/max bitrate. Lowering tolerance too much has an adverse effect on quality.
-flags <flags> EDVA.
mv4 E.V.. use four motion vector by macroblo
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ffmpeg 0.11.1 VS2010 on windows (6114个子文件)
wavpack-channels-4.0 33B
wavpack-channels-4.0 33B
COPYING.LGPLv2.1 26KB
COPYING.LGPLv2.1 26KB
wavpack-channels-7.1 33B
wavpack-channels-5.1 33B
wavpack-channels-6.1 33B
wavpack-channels-7.1 33B
wavpack-channels-5.1 33B
wavpack-channels-6.1 33B
4xm-1 882B
4xm-1 882B
4xm-2 10KB
4xm-2 10KB
adpcm-creative-8-2.6bit 33B
adpcm-creative-8-2.6bit 33B
8bps 2KB
8bps 2KB
aasc 1KB
aasc 1KB
ac3_ac3 3KB
ac3_fixed 96B
acodec-adpcm-adx 258B
acodec-adpcm-ima_qt 269B
acodec-adpcm-ima_wav 270B
acodec-adpcm-ms 255B
acodec-adpcm-swf 258B
acodec-adpcm-yamaha 267B
acodec-adpcm_ima_qt 252B
acodec-alac 243B
acodec-aref 211B
acodec-flac 245B
acodec-g723_1 253B
acodec-mp2 239B
acodec-pcm-alaw 255B
acodec-pcm-f32be 257B
acodec-pcm-f32le 259B
acodec-pcm-f64be 257B
acodec-pcm-f64le 259B
acodec-pcm-mulaw 258B
acodec-pcm-s16be 259B
acodec-pcm-s16le 259B
acodec-pcm-s24be 259B
acodec-pcm-s24le 259B
acodec-pcm-s32be 259B
acodec-pcm-s32le 259B
acodec-pcm-s8 249B
acodec-pcm-u8 249B
acodec-roqaudio 255B
adpcm-creative 33B
adpcm-creative 33B
adpcm-creative-8-2bit 33B
adpcm-creative-8-2bit 33B
adpcm-creative-8-4bit 33B
adpcm-creative-8-4bit 33B
adpcm-ea-1 1KB
adpcm-ea-1 1KB
adpcm-ea-2 8KB
adpcm-ea-2 8KB
adpcm-ea-maxis-xa 2KB
adpcm-ea-maxis-xa 2KB
adpcm-ea-r1 5KB
adpcm-ea-r1 5KB
adpcm-ea-r2 15B
adpcm-ea-r2 15B
adpcm-ea-r3 15B
adpcm-ea-r3 15B
adpcm-ima-amv 9KB
adpcm-ima-amv 9KB
adpcm-ima-apc 33B
adpcm-ima-apc 33B
adpcm-ima-dk3 33B
adpcm-ima-dk3 33B
adpcm-ima-dk4 33B
adpcm-ima-dk4 33B
adpcm-ima-ea-eacs 3KB
adpcm-ima-ea-eacs 3KB
adpcm-ima-ea-sead 3KB
adpcm-ima-ea-sead 3KB
adpcm-ima-iss 33B
adpcm-ima-iss 33B
adpcm-ima-smjpeg 20KB
adpcm-ima-smjpeg 20KB
adpcm-ima-ws 2KB
adpcm-ima-ws 2KB
adpcm-ima_wav-stereo 33B
adpcm-ima_wav-stereo 33B
adpcm-ms-mono 3KB
adpcm-ms-mono 3KB
adpcm-thp 4KB
adpcm-thp 4KB
adpcm-xa 2KB
adpcm-xa 2KB
adpcm_adx 249B
adpcm_ima_qt 252B
adpcm_ima_qt_aiff 3KB
adpcm_ima_wav 3KB
adpcm_ima_wav 253B
adpcm_ima_wav_wav 3KB
adpcm_ms 246B
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