| @@ -280,7 +280,7 @@ Just create an "input.avs" text file with this single line ... | |||
| @example | |||
| DirectShowSource("C:\path to your file\yourfile.asf") | |||
| @end example | |||
| ... and then feed that text file to FFmpeg: | |||
| ... and then feed that text file to ffmpeg: | |||
| @example | |||
| ffmpeg -i input.avs | |||
| @end example | |||
| @@ -348,7 +348,7 @@ ffmpeg -f u16le -acodec pcm_s16le -ac 2 -ar 44100 -i all.a \ | |||
| rm temp[12].[av] all.[av] | |||
| @end example | |||
| @section FFmpeg does not adhere to the -maxrate setting, some frames are bigger than maxrate/fps. | |||
| @section The ffmpeg program does not respect the -maxrate setting, some frames are bigger than maxrate/fps. | |||
| Read the MPEG spec about video buffer verifier. | |||
| @@ -22,17 +22,15 @@ ffmpeg [[infile options][@option{-i} @var{infile}]]... @{[outfile options] @var{ | |||
| @chapter Description | |||
| @c man begin DESCRIPTION | |||
| FFmpeg is a very fast video and audio converter. It can also grab from | |||
| a live audio/video source. | |||
| ffmpeg is a very fast video and audio converter that can also grab from | |||
| a live audio/video source. It can also convert between arbitrary sample | |||
| rates and resize video on the fly with a high quality polyphase filter. | |||
| The command line interface is designed to be intuitive, in the sense | |||
| that FFmpeg tries to figure out all parameters that can possibly be | |||
| that ffmpeg tries to figure out all parameters that can possibly be | |||
| derived automatically. You usually only have to specify the target | |||
| bitrate you want. | |||
| FFmpeg can also convert from any sample rate to any other, and resize | |||
| video on the fly with a high quality polyphase filter. | |||
| As a general rule, options are applied to the next specified | |||
| file. Therefore, order is important, and you can have the same | |||
| option on the command line multiple times. Each occurrence is | |||
| @@ -61,7 +59,7 @@ ffmpeg -r 1 -i input.m2v -r 24 output.avi | |||
| The format option may be needed for raw input files. | |||
| By default, FFmpeg tries to convert as losslessly as possible: It | |||
| By default ffmpeg tries to convert as losslessly as possible: It | |||
| uses the same audio and video parameters for the outputs as the one | |||
| specified for the inputs. | |||
| @@ -486,7 +484,7 @@ Use 'frames' B-frames (supported for MPEG-1, MPEG-2 and MPEG-4). | |||
| macroblock decision | |||
| @table @samp | |||
| @item 0 | |||
| FF_MB_DECISION_SIMPLE: Use mb_cmp (cannot change it yet in FFmpeg). | |||
| FF_MB_DECISION_SIMPLE: Use mb_cmp (cannot change it yet in ffmpeg). | |||
| @item 1 | |||
| FF_MB_DECISION_BITS: Choose the one which needs the fewest bits. | |||
| @item 2 | |||
| @@ -868,22 +866,22 @@ It allows almost lossless encoding. | |||
| @section Video and Audio grabbing | |||
| FFmpeg can grab video and audio from devices given that you specify the input | |||
| format and device. | |||
| If you specify the input format and device then ffmpeg can grab video | |||
| and audio directly. | |||
| @example | |||
| ffmpeg -f oss -i /dev/dsp -f video4linux2 -i /dev/video0 /tmp/out.mpg | |||
| @end example | |||
| Note that you must activate the right video source and channel before | |||
| launching FFmpeg with any TV viewer such as xawtv | |||
| launching ffmpeg with any TV viewer such as xawtv | |||
| (@url{http://linux.bytesex.org/xawtv/}) by Gerd Knorr. You also | |||
| have to set the audio recording levels correctly with a | |||
| standard mixer. | |||
| @section X11 grabbing | |||
| FFmpeg can grab the X11 display. | |||
| Grab the X11 display with ffmpeg via | |||
| @example | |||
| 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. | |||
| @section Video and Audio file format conversion | |||
| FFmpeg can use any supported file format and protocol as input: | |||
| Any supported file format and protocol can serve as input to ffmpeg: | |||
| Examples: | |||
| @itemize | |||
| @@ -921,7 +919,7 @@ It will use the files: | |||
| The Y files use twice the resolution of the U and V files. They are | |||
| raw files, without header. They can be generated by all decent video | |||
| decoders. You must specify the size of the image with the @option{-s} option | |||
| if FFmpeg cannot guess it. | |||
| if ffmpeg cannot guess it. | |||
| @item | |||
| You can input from a raw YUV420P file: | |||
| @@ -22,7 +22,7 @@ ffprobe [options] [@file{input_file}] | |||
| @chapter Description | |||
| @c man begin DESCRIPTION | |||
| FFprobe gathers information from multimedia streams and prints it in | |||
| ffprobe gathers information from multimedia streams and prints it in | |||
| human- and machine-readable fashion. | |||
| 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 | |||
| probe the file content. If the file cannot be opened or recognized as | |||
| a multimedia file, a positive exit code is returned. | |||
| FFprobe may be employed both as a standalone application or in | |||
| ffprobe may be employed both as a standalone application or in | |||
| combination with a textual filter, which may perform more | |||
| sophisticated processing, e.g. statistical processing or plotting. | |||
| @@ -41,7 +41,7 @@ Options are used to list some of the formats supported by ffprobe or | |||
| for specifying which information to display, and for setting how | |||
| ffprobe will show it. | |||
| FFprobe output is designed to be easily parsable by a textual filter, | |||
| ffprobe output is designed to be easily parsable by a textual filter, | |||
| and consists of one or more sections of the form: | |||
| @example | |||
| [SECTION] | |||
| @@ -22,12 +22,12 @@ ffserver [options] | |||
| @chapter Description | |||
| @c man begin DESCRIPTION | |||
| FFserver is a streaming server for both audio and video. It supports | |||
| ffserver is a streaming server for both audio and video. It supports | |||
| several live feeds, streaming from files and time shifting on live feeds | |||
| (you can seek to positions in the past on each live feed, provided you | |||
| specify a big enough feed storage in ffserver.conf). | |||
| FFserver runs in daemon mode by default; that is, it puts itself in | |||
| ffserver runs in daemon mode by default; that is, it puts itself in | |||
| the background and detaches from its TTY, unless it is launched in | |||
| debug mode or a NoDaemon option is specified in the configuration | |||
| file. | |||
| @@ -39,7 +39,7 @@ information. | |||
| @section How does it work? | |||
| FFserver receives prerecorded files or FFM streams from some ffmpeg | |||
| ffserver receives prerecorded files or FFM streams from some ffmpeg | |||
| instance as input, then streams them over RTP/RTSP/HTTP. | |||
| An ffserver instance will listen on some port as specified in the | |||
| @@ -57,7 +57,7 @@ file. | |||
| @section Status stream | |||
| FFserver supports an HTTP interface which exposes the current status | |||
| ffserver supports an HTTP interface which exposes the current status | |||
| of the server. | |||
| 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}. | |||
| Use @file{configfile} instead of @file{/etc/ffserver.conf}. | |||
| @item -n | |||
| Enable no-launch mode. This option disables all the Launch directives | |||
| within the various <Stream> sections. FFserver will not launch any | |||
| ffmpeg instance, so you will have to launch them manually. | |||
| within the various <Stream> sections. Since ffserver will not launch | |||
| any ffmpeg instances, you will have to launch them manually. | |||
| @item -d | |||
| Enable debug mode. This option increases log verbosity, directs log | |||
| messages to stdout and causes ffserver to run in the foreground | |||