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1 \input texinfo @c -*- texinfo -*- | 1 \input texinfo @c -*- texinfo -*- |
2 | 2 |
3 @settitle FFmpeg Documentation | 3 @settitle FFmpeg Documentation |
4 @titlepage | 4 @titlepage |
5 @sp 7 | 5 @sp 7 |
6 @center @titlefont{FFmpeg Documentation} | 6 @center @titlefont{FFmpeg Documentation} |
7 @sp 3 | 7 @sp 3 |
8 @end titlepage | 8 @end titlepage |
9 | 9 |
10 | 10 |
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215 @end example | 215 @end example |
216 | 216 |
217 The format option may be needed for raw input files. | 217 The format option may be needed for raw input files. |
218 | 218 |
219 By default, FFmpeg tries to convert as losslessly as possible: It | 219 By default, FFmpeg tries to convert as losslessly as possible: It |
220 uses the same audio and video parameters for the outputs as the one | 220 uses the same audio and video parameters for the outputs as the one |
221 specified for the inputs. | 221 specified for the inputs. |
222 @c man end | 222 @c man end |
223 | 223 |
224 @c man begin OPTIONS | 224 @c man begin OPTIONS |
| 225 |
| 226 @include fftools-common-opts.texi |
| 227 |
225 @section Main options | 228 @section Main options |
226 | 229 |
227 @table @option | 230 @table @option |
228 @include fftools-common-opts.texi | |
229 | 231 |
230 @item -f @var{fmt} | 232 @item -f @var{fmt} |
231 Force format. | 233 Force format. |
232 | 234 |
233 @item -i @var{filename} | 235 @item -i @var{filename} |
234 input file name | 236 input file name |
235 | 237 |
236 @item -y | 238 @item -y |
237 Overwrite output files. | 239 Overwrite output files. |
238 | 240 |
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725 @item -map @var{input_stream_id}[:@var{sync_stream_id}] | 727 @item -map @var{input_stream_id}[:@var{sync_stream_id}] |
726 Set stream mapping from input streams to output streams. | 728 Set stream mapping from input streams to output streams. |
727 Just enumerate the input streams in the order you want them in the output. | 729 Just enumerate the input streams in the order you want them in the output. |
728 @var{sync_stream_id} if specified sets the input stream to sync | 730 @var{sync_stream_id} if specified sets the input stream to sync |
729 against. | 731 against. |
730 @item -map_meta_data @var{outfile}:@var{infile} | 732 @item -map_meta_data @var{outfile}:@var{infile} |
731 Set meta data information of @var{outfile} from @var{infile}. | 733 Set meta data information of @var{outfile} from @var{infile}. |
732 @item -debug | 734 @item -debug |
733 Print specific debug info. | 735 Print specific debug info. |
734 @item -benchmark | 736 @item -benchmark |
735 Add timings for benchmarking. | 737 Show benchmarking information at the end of an encode. |
| 738 Shows CPU time used and maximum memory consumption. |
| 739 Maximum memory consumption is not supported on all systems, |
| 740 it will usually display as 0 if not supported. |
736 @item -dump | 741 @item -dump |
737 Dump each input packet. | 742 Dump each input packet. |
738 @item -hex | 743 @item -hex |
739 When dumping packets, also dump the payload. | 744 When dumping packets, also dump the payload. |
740 @item -bitexact | 745 @item -bitexact |
741 Only use bit exact algorithms (for codec testing). | 746 Only use bit exact algorithms (for codec testing). |
742 @item -ps @var{size} | 747 @item -ps @var{size} |
743 Set RTP payload size in bytes. | 748 Set RTP payload size in bytes. |
744 @item -re | 749 @item -re |
745 Read input at native frame rate. Mainly used to simulate a grab device. | 750 Read input at native frame rate. Mainly used to simulate a grab device. |
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935 '-qscale n' when 'n' is between 1 (excellent quality) and 31 (worst | 940 '-qscale n' when 'n' is between 1 (excellent quality) and 31 (worst |
936 quality). | 941 quality). |
937 | 942 |
938 @item When converting video files, you can use the '-sameq' option which | 943 @item When converting video files, you can use the '-sameq' option which |
939 uses the same quality factor in the encoder as in the decoder. | 944 uses the same quality factor in the encoder as in the decoder. |
940 It allows almost lossless encoding. | 945 It allows almost lossless encoding. |
941 | 946 |
942 @end itemize | 947 @end itemize |
943 | 948 |
944 @bye | 949 @bye |
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