| ... | ... |
@@ -280,7 +280,7 @@ Just create an "input.avs" text file with this single line ... |
| 280 | 280 |
@example |
| 281 | 281 |
DirectShowSource("C:\path to your file\yourfile.asf")
|
| 282 | 282 |
@end example |
| 283 |
-... and then feed that text file to FFmpeg: |
|
| 283 |
+... and then feed that text file to ffmpeg: |
|
| 284 | 284 |
@example |
| 285 | 285 |
ffmpeg -i input.avs |
| 286 | 286 |
@end example |
| ... | ... |
@@ -348,7 +348,7 @@ ffmpeg -f u16le -acodec pcm_s16le -ac 2 -ar 44100 -i all.a \ |
| 348 | 348 |
rm temp[12].[av] all.[av] |
| 349 | 349 |
@end example |
| 350 | 350 |
|
| 351 |
-@section FFmpeg does not adhere to the -maxrate setting, some frames are bigger than maxrate/fps. |
|
| 351 |
+@section The ffmpeg program does not respect the -maxrate setting, some frames are bigger than maxrate/fps. |
|
| 352 | 352 |
|
| 353 | 353 |
Read the MPEG spec about video buffer verifier. |
| 354 | 354 |
|
| ... | ... |
@@ -22,17 +22,15 @@ ffmpeg [[infile options][@option{-i} @var{infile}]]... @{[outfile options] @var{
|
| 22 | 22 |
@chapter Description |
| 23 | 23 |
@c man begin DESCRIPTION |
| 24 | 24 |
|
| 25 |
-FFmpeg is a very fast video and audio converter. It can also grab from |
|
| 26 |
-a live audio/video source. |
|
| 25 |
+ffmpeg is a very fast video and audio converter that can also grab from |
|
| 26 |
+a live audio/video source. It can also convert between arbitrary sample |
|
| 27 |
+rates and resize video on the fly with a high quality polyphase filter. |
|
| 27 | 28 |
|
| 28 | 29 |
The command line interface is designed to be intuitive, in the sense |
| 29 |
-that FFmpeg tries to figure out all parameters that can possibly be |
|
| 30 |
+that ffmpeg tries to figure out all parameters that can possibly be |
|
| 30 | 31 |
derived automatically. You usually only have to specify the target |
| 31 | 32 |
bitrate you want. |
| 32 | 33 |
|
| 33 |
-FFmpeg can also convert from any sample rate to any other, and resize |
|
| 34 |
-video on the fly with a high quality polyphase filter. |
|
| 35 |
- |
|
| 36 | 34 |
As a general rule, options are applied to the next specified |
| 37 | 35 |
file. Therefore, order is important, and you can have the same |
| 38 | 36 |
option on the command line multiple times. Each occurrence is |
| ... | ... |
@@ -61,7 +59,7 @@ ffmpeg -r 1 -i input.m2v -r 24 output.avi |
| 61 | 61 |
|
| 62 | 62 |
The format option may be needed for raw input files. |
| 63 | 63 |
|
| 64 |
-By default, FFmpeg tries to convert as losslessly as possible: It |
|
| 64 |
+By default ffmpeg tries to convert as losslessly as possible: It |
|
| 65 | 65 |
uses the same audio and video parameters for the outputs as the one |
| 66 | 66 |
specified for the inputs. |
| 67 | 67 |
|
| ... | ... |
@@ -486,7 +484,7 @@ Use 'frames' B-frames (supported for MPEG-1, MPEG-2 and MPEG-4). |
| 486 | 486 |
macroblock decision |
| 487 | 487 |
@table @samp |
| 488 | 488 |
@item 0 |
| 489 |
-FF_MB_DECISION_SIMPLE: Use mb_cmp (cannot change it yet in FFmpeg). |
|
| 489 |
+FF_MB_DECISION_SIMPLE: Use mb_cmp (cannot change it yet in ffmpeg). |
|
| 490 | 490 |
@item 1 |
| 491 | 491 |
FF_MB_DECISION_BITS: Choose the one which needs the fewest bits. |
| 492 | 492 |
@item 2 |
| ... | ... |
@@ -868,22 +866,22 @@ It allows almost lossless encoding. |
| 868 | 868 |
|
| 869 | 869 |
@section Video and Audio grabbing |
| 870 | 870 |
|
| 871 |
-FFmpeg can grab video and audio from devices given that you specify the input |
|
| 872 |
-format and device. |
|
| 871 |
+If you specify the input format and device then ffmpeg can grab video |
|
| 872 |
+and audio directly. |
|
| 873 | 873 |
|
| 874 | 874 |
@example |
| 875 | 875 |
ffmpeg -f oss -i /dev/dsp -f video4linux2 -i /dev/video0 /tmp/out.mpg |
| 876 | 876 |
@end example |
| 877 | 877 |
|
| 878 | 878 |
Note that you must activate the right video source and channel before |
| 879 |
-launching FFmpeg with any TV viewer such as xawtv |
|
| 879 |
+launching ffmpeg with any TV viewer such as xawtv |
|
| 880 | 880 |
(@url{http://linux.bytesex.org/xawtv/}) by Gerd Knorr. You also
|
| 881 | 881 |
have to set the audio recording levels correctly with a |
| 882 | 882 |
standard mixer. |
| 883 | 883 |
|
| 884 | 884 |
@section X11 grabbing |
| 885 | 885 |
|
| 886 |
-FFmpeg can grab the X11 display. |
|
| 886 |
+Grab the X11 display with ffmpeg via |
|
| 887 | 887 |
|
| 888 | 888 |
@example |
| 889 | 889 |
ffmpeg -f x11grab -s cif -r 25 -i :0.0 /tmp/out.mpg |
| ... | ... |
@@ -901,7 +899,7 @@ variable. 10 is the x-offset and 20 the y-offset for the grabbing. |
| 901 | 901 |
|
| 902 | 902 |
@section Video and Audio file format conversion |
| 903 | 903 |
|
| 904 |
-FFmpeg can use any supported file format and protocol as input: |
|
| 904 |
+Any supported file format and protocol can serve as input to ffmpeg: |
|
| 905 | 905 |
|
| 906 | 906 |
Examples: |
| 907 | 907 |
@itemize |
| ... | ... |
@@ -921,7 +919,7 @@ It will use the files: |
| 921 | 921 |
The Y files use twice the resolution of the U and V files. They are |
| 922 | 922 |
raw files, without header. They can be generated by all decent video |
| 923 | 923 |
decoders. You must specify the size of the image with the @option{-s} option
|
| 924 |
-if FFmpeg cannot guess it. |
|
| 924 |
+if ffmpeg cannot guess it. |
|
| 925 | 925 |
|
| 926 | 926 |
@item |
| 927 | 927 |
You can input from a raw YUV420P file: |
| ... | ... |
@@ -22,7 +22,7 @@ ffprobe [options] [@file{input_file}]
|
| 22 | 22 |
@chapter Description |
| 23 | 23 |
@c man begin DESCRIPTION |
| 24 | 24 |
|
| 25 |
-FFprobe gathers information from multimedia streams and prints it in |
|
| 25 |
+ffprobe gathers information from multimedia streams and prints it in |
|
| 26 | 26 |
human- and machine-readable fashion. |
| 27 | 27 |
|
| 28 | 28 |
For example it can be used to check the format of the container used |
| ... | ... |
@@ -33,7 +33,7 @@ If a filename is specified in input, ffprobe will try to open and |
| 33 | 33 |
probe the file content. If the file cannot be opened or recognized as |
| 34 | 34 |
a multimedia file, a positive exit code is returned. |
| 35 | 35 |
|
| 36 |
-FFprobe may be employed both as a standalone application or in |
|
| 36 |
+ffprobe may be employed both as a standalone application or in |
|
| 37 | 37 |
combination with a textual filter, which may perform more |
| 38 | 38 |
sophisticated processing, e.g. statistical processing or plotting. |
| 39 | 39 |
|
| ... | ... |
@@ -41,7 +41,7 @@ Options are used to list some of the formats supported by ffprobe or |
| 41 | 41 |
for specifying which information to display, and for setting how |
| 42 | 42 |
ffprobe will show it. |
| 43 | 43 |
|
| 44 |
-FFprobe output is designed to be easily parsable by a textual filter, |
|
| 44 |
+ffprobe output is designed to be easily parsable by a textual filter, |
|
| 45 | 45 |
and consists of one or more sections of the form: |
| 46 | 46 |
@example |
| 47 | 47 |
[SECTION] |
| ... | ... |
@@ -22,12 +22,12 @@ ffserver [options] |
| 22 | 22 |
@chapter Description |
| 23 | 23 |
@c man begin DESCRIPTION |
| 24 | 24 |
|
| 25 |
-FFserver is a streaming server for both audio and video. It supports |
|
| 25 |
+ffserver is a streaming server for both audio and video. It supports |
|
| 26 | 26 |
several live feeds, streaming from files and time shifting on live feeds |
| 27 | 27 |
(you can seek to positions in the past on each live feed, provided you |
| 28 | 28 |
specify a big enough feed storage in ffserver.conf). |
| 29 | 29 |
|
| 30 |
-FFserver runs in daemon mode by default; that is, it puts itself in |
|
| 30 |
+ffserver runs in daemon mode by default; that is, it puts itself in |
|
| 31 | 31 |
the background and detaches from its TTY, unless it is launched in |
| 32 | 32 |
debug mode or a NoDaemon option is specified in the configuration |
| 33 | 33 |
file. |
| ... | ... |
@@ -39,7 +39,7 @@ information. |
| 39 | 39 |
|
| 40 | 40 |
@section How does it work? |
| 41 | 41 |
|
| 42 |
-FFserver receives prerecorded files or FFM streams from some ffmpeg |
|
| 42 |
+ffserver receives prerecorded files or FFM streams from some ffmpeg |
|
| 43 | 43 |
instance as input, then streams them over RTP/RTSP/HTTP. |
| 44 | 44 |
|
| 45 | 45 |
An ffserver instance will listen on some port as specified in the |
| ... | ... |
@@ -57,7 +57,7 @@ file. |
| 57 | 57 |
|
| 58 | 58 |
@section Status stream |
| 59 | 59 |
|
| 60 |
-FFserver supports an HTTP interface which exposes the current status |
|
| 60 |
+ffserver supports an HTTP interface which exposes the current status |
|
| 61 | 61 |
of the server. |
| 62 | 62 |
|
| 63 | 63 |
Simply point your browser to the address of the special status stream |
| ... | ... |
@@ -249,8 +249,8 @@ For example: @samp{http://localhost:8080/test.asf?date=2002-07-26T23:05:00}.
|
| 249 | 249 |
Use @file{configfile} instead of @file{/etc/ffserver.conf}.
|
| 250 | 250 |
@item -n |
| 251 | 251 |
Enable no-launch mode. This option disables all the Launch directives |
| 252 |
-within the various <Stream> sections. FFserver will not launch any |
|
| 253 |
-ffmpeg instance, so you will have to launch them manually. |
|
| 252 |
+within the various <Stream> sections. Since ffserver will not launch |
|
| 253 |
+any ffmpeg instances, you will have to launch them manually. |
|
| 254 | 254 |
@item -d |
| 255 | 255 |
Enable debug mode. This option increases log verbosity, directs log |
| 256 | 256 |
messages to stdout and causes ffserver to run in the foreground |