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Autmatic Win32 Porting
author VilyaemKenyaz
date Thu, 28 Sep 2023 13:20:56 -0400
parents 2b6ce8d53356
children
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2
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1 Hyper fast Audio and Video encoder
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2 usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...
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3
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4 Getting help:
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5 -h -- print basic options
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6 -h long -- print more options
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7 -h full -- print all options (including all format and codec specific options, very long)
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8 -h type=name -- print all options for the named decoder/encoder/demuxer/muxer/filter/bsf/protocol
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9 See man ffmpeg for detailed description of the options.
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10
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11 Print help / information / capabilities:
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12 -L show license
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13 -h topic show help
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14 -? topic show help
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15 -help topic show help
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16 --help topic show help
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17 -version show version
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18 -buildconf show build configuration
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19 -formats show available formats
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20 -muxers show available muxers
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21 -demuxers show available demuxers
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22 -devices show available devices
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23 -codecs show available codecs
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24 -decoders show available decoders
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25 -encoders show available encoders
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26 -bsfs show available bit stream filters
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27 -protocols show available protocols
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28 -filters show available filters
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29 -pix_fmts show available pixel formats
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30 -layouts show standard channel layouts
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31 -sample_fmts show available audio sample formats
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32 -colors show available color names
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33 -sources device list sources of the input device
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34 -sinks device list sinks of the output device
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35 -hwaccels show available HW acceleration methods
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36
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37 Global options (affect whole program instead of just one file):
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38 -loglevel loglevel set logging level
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39 -v loglevel set logging level
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40 -report generate a report
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41 -max_alloc bytes set maximum size of a single allocated block
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42 -y overwrite output files
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43 -n never overwrite output files
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44 -ignore_unknown Ignore unknown stream types
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45 -filter_threads number of non-complex filter threads
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46 -filter_complex_threads number of threads for -filter_complex
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47 -stats print progress report during encoding
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48 -max_error_rate maximum error rate ratio of decoding errors (0.0: no errors, 1.0: 100% errors) above which ffmpeg returns an error instead of success.
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49 -bits_per_raw_sample number set the number of bits per raw sample
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50 -vol volume change audio volume (256=normal)
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51
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52 Per-file main options:
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53 -f fmt force format
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54 -c codec codec name
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55 -codec codec codec name
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56 -pre preset preset name
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57 -map_metadata outfile[,metadata]:infile[,metadata] set metadata information of outfile from infile
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58 -t duration record or transcode "duration" seconds of audio/video
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59 -to time_stop record or transcode stop time
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60 -fs limit_size set the limit file size in bytes
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61 -ss time_off set the start time offset
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62 -sseof time_off set the start time offset relative to EOF
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63 -seek_timestamp enable/disable seeking by timestamp with -ss
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64 -timestamp time set the recording timestamp ('now' to set the current time)
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65 -metadata string=string add metadata
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66 -program title=string:st=number... add program with specified streams
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67 -target type specify target file type ("vcd", "svcd", "dvd", "dv" or "dv50" with optional prefixes "pal-", "ntsc-" or "film-")
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68 -apad audio pad
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69 -frames number set the number of frames to output
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70 -filter filter_graph set stream filtergraph
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71 -filter_script filename read stream filtergraph description from a file
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72 -reinit_filter reinit filtergraph on input parameter changes
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73 -discard discard
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74 -disposition disposition
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75
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76 Video options:
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77 -vframes number set the number of video frames to output
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78 -r rate set frame rate (Hz value, fraction or abbreviation)
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79 -fpsmax rate set max frame rate (Hz value, fraction or abbreviation)
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80 -s size set frame size (WxH or abbreviation)
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81 -aspect aspect set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)
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82 -bits_per_raw_sample number set the number of bits per raw sample
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83 -vn disable video
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84 -vcodec codec force video codec ('copy' to copy stream)
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85 -timecode hh:mm:ss[:;.]ff set initial TimeCode value.
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86 -pass n select the pass number (1 to 3)
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87 -vf filter_graph set video filters
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88 -ab bitrate audio bitrate (please use -b:a)
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89 -b bitrate video bitrate (please use -b:v)
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90 -dn disable data
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91
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92 Audio options:
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93 -aframes number set the number of audio frames to output
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94 -aq quality set audio quality (codec-specific)
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95 -ar rate set audio sampling rate (in Hz)
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96 -ac channels set number of audio channels
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97 -an disable audio
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98 -acodec codec force audio codec ('copy' to copy stream)
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99 -vol volume change audio volume (256=normal)
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100 -af filter_graph set audio filters
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101
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102 Subtitle options:
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103 -s size set frame size (WxH or abbreviation)
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104 -sn disable subtitle
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105 -scodec codec force subtitle codec ('copy' to copy stream)
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106 -stag fourcc/tag force subtitle tag/fourcc
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107 -fix_sub_duration fix subtitles duration
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108 -canvas_size size set canvas size (WxH or abbreviation)
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109 -spre preset set the subtitle options to the indicated preset
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110
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