ffmpeg

[rsteube]

• [x] -L show license
• [x] -h topic show help
• [x] -? topic show help
• [x] -help topic show help
• [x] --help topic show help
• [x] -version show version
• [x] -buildconf show build configuration
• [x] -formats show available formats
• [x] -muxers show available muxers
• [x] -demuxers show available demuxers
• [x] -devices show available devices
• [x] -codecs show available codecs
• [x] -decoders show available decoders
• [x] -encoders show available encoders
• [x] -bsfs show available bit stream filters
• [x] -protocols show available protocols
• [x] -filters show available filters
• [ ] -pix_fmts show available pixel formats
• [ ] -layouts show standard channel layouts
• [ ] -sample_fmts show available audio sample formats
• [ ] -dispositions show available stream dispositions
• [ ] -colors show available color names
• [x] -sources device list sources of the input device
• [x] -sinks device list sinks of the output device
• [ ] -hwaccels show available HW acceleration methods
• [x] -loglevel loglevel set logging level
• [ ] -v loglevel set logging level
• [ ] -report generate a report
• [ ] -max_alloc bytes set maximum size of a single allocated block
• [ ] -y overwrite output files
• [ ] -n never overwrite output files
• [ ] -ignore_unknown Ignore unknown stream types
• [ ] -filter_threads number of non-complex filter threads
• [ ] -filter_complex_threads number of threads for -filter_complex
• [ ] -stats print progress report during encoding
• [ ] -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.
• [ ] -cpuflags flags force specific cpu flags
• [ ] -cpucount count force specific cpu count
• [ ] -hide_banner hide_banner do not show program banner
• [ ] -copy_unknown Copy unknown stream types
• [ ] -recast_media allow recasting stream type in order to force a decoder of different media type
• [ ] -benchmark add timings for benchmarking
• [ ] -benchmark_all add timings for each task
• [ ] -progress url write program-readable progress information
• [ ] -stdin enable or disable interaction on standard input
• [ ] -timelimit limit set max runtime in seconds in CPU user time
• [ ] -dump dump each input packet
• [ ] -hex when dumping packets, also dump the payload
• [ ] -vsync set video sync method globally; deprecated, use -fps_mode
• [ ] -frame_drop_threshold frame drop threshold
• [ ] -adrift_threshold threshold audio drift threshold
• [ ] -copyts copy timestamps
• [ ] -start_at_zero shift input timestamps to start at 0 when using copyts
• [ ] -copytb mode copy input stream time base when stream copying
• [ ] -dts_delta_threshold threshold timestamp discontinuity delta threshold
• [ ] -dts_error_threshold threshold timestamp error delta threshold
• [ ] -xerror error exit on error
• [ ] -abort_on flags abort on the specified condition flags
• [ ] -filter_complex graph_description create a complex filtergraph
• [ ] -lavfi graph_description create a complex filtergraph
• [ ] -filter_complex_script filename read complex filtergraph description from a file
• [ ] -auto_conversion_filters enable automatic conversion filters globally
• [ ] -stats_period time set the period at which ffmpeg updates stats and -progress output
• [ ] -debug_ts print timestamp debugging info
• [ ] -psnr calculate PSNR of compressed frames (deprecated, use -flags +psnr)
• [ ] -vstats dump video coding statistics to file
• [ ] -vstats_file file dump video coding statistics to file
• [ ] -vstats_version Version of the vstats format to use.
• [ ] -qphist show QP histogram
• [ ] -sdp_file file specify a file in which to print sdp information
• [ ] -vaapi_device device set VAAPI hardware device (DRM path or X11 display name)
• [ ] -qsv_device device set QSV hardware device (DirectX adapter index, DRM path or X11 display name)
• [ ] -init_hw_device args initialise hardware device
• [ ] -filter_hw_device device set hardware device used when filtering
• [x] -f fmt force format
• [x] -c codec codec name
• [x] -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
• [ ] -to time_stop record or transcode stop time
• [ ] -fs limit_size set the limit file size in bytes
• [ ] -ss time_off set the start time offset
• [ ] -sseof time_off set the start time offset relative to EOF
• [ ] -seek_timestamp enable/disable seeking by timestamp with -ss
• [ ] -timestamp time set the recording timestamp ('now' to set the current time)
• [ ] -metadata string=string add metadata
• [ ] -program title=string:st=number... add program with specified streams
• [ ] -target type specify target file type ("vcd", "svcd", "dvd", "dv" or "dv50" with optional prefixes "pal-", "ntsc-" or "film-")
• [ ] -apad audio pad
• [ ] -frames number set the number of frames to output
• [ ] -filter filter_graph set stream filtergraph
• [ ] -filter_script filename read stream filtergraph description from a file
• [ ] -reinit_filter reinit filtergraph on input parameter changes
• [ ] -discard discard
• [ ] -disposition disposition
• [ ] -map [-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]] set input stream mapping
• [ ] -map_channel file.stream.channel[:syncfile.syncstream] map an audio channel from one stream to another (deprecated)
• [ ] -map_chapters input_file_index set chapters mapping
• [ ] -accurate_seek enable/disable accurate seeking with -ss
• [ ] -isync sync ref Indicate the input index for sync reference
• [ ] -itsoffset time_off set the input ts offset
• [ ] -itsscale scale set the input ts scale
• [ ] -dframes number set the number of data frames to output
• [ ] -re read input at native frame rate; equivalent to -readrate 1
• [ ] -readrate speed read input at specified rate
• [ ] -shortest finish encoding within shortest input
• [ ] -shortest_buf_duration maximum buffering duration (in seconds) for the -shortest option
• [ ] -bitexact bitexact mode
• [ ] -copyinkf copy initial non-keyframes
• [ ] -copypriorss copy or discard frames before start time
• [ ] -tag fourcc/tag force codec tag/fourcc
• [ ] -q q use fixed quality scale (VBR)
• [ ] -qscale q use fixed quality scale (VBR)
• [ ] -profile profile set profile
• [ ] -attach filename add an attachment to the output file
• [ ] -dump_attachment filename extract an attachment into a file
• [ ] -stream_loop loop count set number of times input stream shall be looped
• [ ] -thread_queue_size set the maximum number of queued packets from the demuxer
• [ ] -find_stream_info read and decode the streams to fill missing information with heuristics
• [ ] -bits_per_raw_sample number set the number of bits per raw sample
• [ ] -stats_enc_pre write encoding stats before encoding
• [ ] -stats_enc_post write encoding stats after encoding
• [ ] -stats_mux_pre write packets stats before muxing
• [ ] -stats_enc_pre_fmt format of the stats written with -stats_enc_pre
• [ ] -stats_enc_post_fmt format of the stats written with -stats_enc_post
• [ ] -stats_mux_pre_fmt format of the stats written with -stats_mux_pre
• [ ] -autorotate automatically insert correct rotate filters
• [ ] -autoscale automatically insert a scale filter at the end of the filter graph
• [ ] -muxdelay seconds set the maximum demux-decode delay
• [ ] -muxpreload seconds set the initial demux-decode delay
• [ ] -time_base ratio set the desired time base hint for output stream (1:24, 1:48000 or 0.04166, 2.0833e-5)
• [ ] -enc_time_base ratio set the desired time base for the encoder (1:24, 1:48000 or 0.04166, 2.0833e-5). two special values are defined - 0 = use frame rate (video) or sample rate (audio),-1 = match source time base
• [ ] -bsf bitstream_filters A comma-separated list of bitstream filters
• [ ] -fpre filename set options from indicated preset file
• [ ] -max_muxing_queue_size packets maximum number of packets that can be buffered while waiting for all streams to initialize
• [ ] -muxing_queue_data_threshold bytes set the threshold after which max_muxing_queue_size is taken into account
• [ ] -dcodec codec force data codec ('copy' to copy stream)
• [ ] -vframes number set the number of video frames to output
• [ ] -r rate set frame rate (Hz value, fraction or abbreviation)
• [ ] -fpsmax rate set max 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)
• [ ] -display_rotation angle set pure counter-clockwise rotation in degrees for stream(s)
• [ ] -display_hflip set display horizontal flip for stream(s) (overrides any display rotation if it is not set)
• [ ] -display_vflip set display vertical flip for stream(s) (overrides any display rotation if it is not set)
• [ ] -vn disable video
• [x] -vcodec codec force video codec ('copy' to copy stream)
• [ ] -timecode hh:mm:ss[:;.]ff set initial TimeCode value.
• [ ] -pass n select the pass number (1 to 3)
• [x] -vf filter_graph set video filters
• [x] -b bitrate video bitrate (please use -b:v)
• [ ] -dn disable data
• [ ] -pix_fmt format set pixel format
• [ ] -rc_override override rate control override for specific intervals
• [ ] -passlogfile prefix select two pass log file name prefix
• [ ] -psnr calculate PSNR of compressed frames (deprecated, use -flags +psnr)
• [ ] -vstats dump video coding statistics to file
• [ ] -vstats_file file dump video coding statistics to file
• [ ] -vstats_version Version of the vstats format to use.
• [ ] -intra_matrix matrix specify intra matrix coeffs
• [ ] -inter_matrix matrix specify inter matrix coeffs
• [ ] -chroma_intra_matrix matrix specify intra matrix coeffs
• [ ] -top top=1/bottom=0/auto=-1 field first
• [ ] -vtag fourcc/tag force video tag/fourcc
• [ ] -qphist show QP histogram
• [ ] -fps_mode set framerate mode for matching video streams; overrides vsync
• [ ] -force_fps force the selected framerate, disable the best supported framerate selection
• [ ] -streamid streamIndex:value set the value of an outfile streamid
• [ ] -force_key_frames timestamps force key frames at specified timestamps
• [x] -hwaccel hwaccel name use HW accelerated decoding
• [ ] -hwaccel_device devicename select a device for HW acceleration
• [ ] -hwaccel_output_format format select output format used with HW accelerated decoding
• [ ] -fix_sub_duration_heartbeat set this video output stream to be a heartbeat stream for fix_sub_duration, according to which subtitles should be split at random access points
• [ ] -vbsf video bitstream_filters deprecated
• [ ] -vpre preset set the video options to the indicated preset
• [ ] -aframes number set the number of audio frames to output
• [ ] -aq quality set audio quality (codec-specific)
• [x] -ar rate set audio sampling rate (in Hz)
• [ ] -ac channels set number of audio channels
• [ ] -an disable audio
• [x] -acodec codec force audio codec ('copy' to copy stream)
• [x] -ab bitrate audio bitrate (please use -b:a)
• [x] -af filter_graph set audio filters
• [ ] -atag fourcc/tag force audio tag/fourcc
• [ ] -sample_fmt format set sample format
• [ ] -channel_layout layout set channel layout
• [ ] -ch_layout layout set channel layout
• [ ] -guess_layout_max set the maximum number of channels to try to guess the channel layout
• [ ] -absf audio bitstream_filters deprecated
• [ ] -apre preset set the audio options to the indicated preset
• [ ] -s size set frame size (WxH or abbreviation)
• [ ] -sn disable subtitle
• [ ] -scodec codec force subtitle codec ('copy' to copy stream)
• [ ] -stag fourcc/tag force subtitle tag/fourcc
• [ ] -fix_sub_duration fix subtitles duration
• [ ] -canvas_size size set canvas size (WxH or abbreviation)
• [ ] -spre preset set the subtitle options to the indicated preset

[rsteube]

related #2018

[rsteube]

Flag handling is so weird and complex on this one that it is probably best to disable flag parsing and handle them manually as positional arguments.