Per-file main options:

-f fmt              force format

-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

-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



Advanced per-file options:

-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

-map_chapters input_file_index  set chapters mapping

-accurate_seek      enable/disable accurate seeking with -ss

-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

-shortest           finish encoding within shortest input

-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

-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

-dcodec codec       force data codec ('copy' to copy stream)


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