-i | Input file (%1 it's the file selected) |
-s | Video size* (WidthxHeight). Example: 176x96, 176x144,
320x240,
352x240, 368x288, 480x320, 552x414, 640x360, 640x480
Note: valid sizes for Cell Phone are: 128x96, 176x144, 352x288, 704x576 and 1408x1152. |
-r | Video frame rate (Fps). Example: 10, 12, 15, 14, 20, 24, 29 |
-b | Video bitrate (Kb/s). Example: 30, 50, 100, 150, 200, 256, 384, 500, 512, 640, 768, 900, 1500 |
-ar | Audio sample rate (Hz). Example: 8000, 16000, 22050, 24000, 32000, 44100, 48000 |
-ab | Audio bitrate (Kb/s). Example: 12, 16, 32, 40, 48, 56, 64, 80, 96, 112, 128, 192, 224, 256 |
-ac | Audio channels (1 mono, 2 stereo). Example: Use 2 if you convert in MP3 |
%1.xxx | Output file (.xxx the format to convert!). Example: .mov, .ra, .mpg, .mp4, .mp3, .wma... |
-L | show license |
-h | show help |
-version | show version |
-formats | show available formats, codecs, protocols, ... |
-f fmt | force format |
-img img_fmt | force image format |
-i filename | input file name |
-y | overwrite output files |
-t duration | set the recording time |
-fs limit_size | set the limit file size |
-ss time_off | set the start time offset |
-itsoffset time_off | set the input ts offset |
-title string | set the title |
-timestamp time | set the timestamp |
-author string | set the author |
-copyright string | set the copyright |
-comment string | set the comment |
-album string | set the album |
-v verbose | control amount of logging |
-target type | specify target file type ("vcd", "svcd", "dvd", "dv", "dv50", "pal-vcd", "ntsc-svcd", ...) |
-dframes number | set the number of data frames to record |
-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 |
-b bitrate | set video bitrate (in kbit/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 |
-bt tolerance | set video bitrate tolerance (in kbit/s) |
-maxrate bitrate | set max video bitrate tolerance (in kbit/s) |
-minrate bitrate | set min video bitrate tolerance (in kbit/s) |
-bufsize size | set ratecontrol buffer size (in kByte) |
-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 file | select two pass log file name |
-newvideo | add a new video stream to the current output stream |
-pix_fmt format | set pixel format |
-g gop_size | set the group of picture size |
-intra | use only intra frames |
-vdt n | discard threshold |
-qscale q | use fixed video quantiser scale (VBR) |
-qmin q | min video quantiser scale (VBR) |
-qmax q | max video quantiser scale (VBR) |
-lmin lambda | min video lagrange factor (VBR) |
-lmax lambda | max video lagrange factor (VBR) |
-mblmin q | min macroblock quantiser scale (VBR) |
-mblmax q | max macroblock quantiser scale (VBR) |
-qdiff q | max difference between the quantiser scale (VBR) |
-qblur blur | video quantiser scale blur (VBR) |
-qsquish squish | how to keep quantiser between qmin and qmax (0 = clip, 1 = use differentiable function) |
-qcomp compression | video quantiser scale compression (VBR) |
-rc_init_cplx complexity | initial complexity for 1-pass encoding |
-b_qfactor factor | qp factor between p and b frames |
-i_qfactor factor | qp factor between p and i frames |
-b_qoffset offset | qp offset between p and b frames |
-i_qoffset offset | qp offset between p and i frames |
-ibias bias | intra quant bias |
-pbias bias | inter quant bias |
-rc_eq equation | set rate control equation |
-rc_override override | rate control override for specific intervals |
-me method | set motion estimation method |
-me_threshold | motion estimaton threshold |
-mb_threshold | macroblock threshold |
-bf frames | use 'frames' B frames |
-preme | pre motion estimation |
-bug param | workaround not auto detected encoder bugs |
-strict strictness | how strictly to follow the standards |
-deinterlace | deinterlace pictures |
-psnr | calculate PSNR of compressed frames |
-vstats | dump video coding statistics to file |
-vhook module | insert video processing module |
-intra_matrix matrix | specify intra matrix coeffs |
-inter_matrix matrix | specify inter matrix coeffs |
-top | top=1/bottom=0/auto=-1 field first |
-sc_threshold threshold | scene change threshold |
-me_range range | limit motion vectors range (1023 for DivX player) |
-dc precision | intra_dc_precision |
-mepc factor | (1.0 = 256) motion estimation bitrate penalty compensation |
-vtag fourcc/tag | force video tag/fourcc |
-skip_threshold threshold | frame skip threshold |
-skip_factor factor | frame skip factor |
-skip_exp exponent | frame skip exponent |
-qphist | show QP histogram |
-vbsf | bitstream filter |
-aframes number | set the number of audio frames to record |
-ab bitrate | set audio bitrate (in kbit/s) |
-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 |
-atag fourcc/tag | force audio tag/fourcc |
-absf | bitstream filter |
-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 |
-vd device | set video grab device |
-vc channel | set video grab channel (DV1394 only) |
-tvstd standard | set television standard (NTSC, PAL (SECAM)) |
-ad device | set audio device |
-grab format | request grabbing using |
-gd device | set grab device |
-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 |
-vglobal | video global header storage type |
-copyts | copy timestamps |
-shortest | finish encoding within shortest input |
-dts_delta_threshold | timestamp discontinuity delta threshold |
-ps size | set packet size in bits |
-error rate | error rate |
-muxrate rate | set mux rate |
-packetsize size | set packet size |
-muxdelay seconds | set the maximum demux-decode delay |
-muxpreload seconds | set the initial demux-decode delay |
Support: Contact us via the online support form.