From 4a6d9312cc1c9d62d66c4def71246d9faae29edb Mon Sep 17 00:00:00 2001
From: zhangmeng <775834166@qq.com>
Date: 星期三, 03 三月 2021 14:26:16 +0800
Subject: [PATCH] environment settings
---
module/VideoPlayer/lib/linux/ffmpeg/share/man/man1/ffprobe.1 | 1194 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 1,194 insertions(+), 0 deletions(-)
diff --git a/module/VideoPlayer/lib/linux/ffmpeg/share/man/man1/ffprobe.1 b/module/VideoPlayer/lib/linux/ffmpeg/share/man/man1/ffprobe.1
new file mode 100644
index 0000000..c4727f2
--- /dev/null
+++ b/module/VideoPlayer/lib/linux/ffmpeg/share/man/man1/ffprobe.1
@@ -0,0 +1,1194 @@
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+.rm #[ #] #H #V #F C
+.\" ========================================================================
+.\"
+.IX Title "FFPROBE 1"
+.TH FFPROBE 1 " " " " " "
+.\" For nroff, turn off justification. Always turn off hyphenation; it makes
+.\" way too many mistakes in technical documents.
+.if n .ad l
+.nh
+.SH "NAME"
+ffprobe \- ffprobe media prober
+.SH "SYNOPSIS"
+.IX Header "SYNOPSIS"
+ffprobe [\fIoptions\fR] [\fIinput_url\fR]
+.SH "DESCRIPTION"
+.IX Header "DESCRIPTION"
+ffprobe gathers information from multimedia streams and prints it in
+human\- and machine-readable fashion.
+.PP
+For example it can be used to check the format of the container used
+by a multimedia stream and the format and type of each media stream
+contained in it.
+.PP
+If a url is specified in input, ffprobe will try to open and
+probe the url content. If the url cannot be opened or recognized as
+a multimedia file, a positive exit code is returned.
+.PP
+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.
+.PP
+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.
+.PP
+ffprobe output is designed to be easily parsable by a textual filter,
+and consists of one or more sections of a form defined by the selected
+writer, which is specified by the \fBprint_format\fR option.
+.PP
+Sections may contain other nested sections, and are identified by a
+name (which may be shared by other sections), and an unique
+name. See the output of \fBsections\fR.
+.PP
+Metadata tags stored in the container or in the streams are recognized
+and printed in the corresponding \*(L"\s-1FORMAT\s0\*(R", \*(L"\s-1STREAM\s0\*(R" or \*(L"\s-1PROGRAM_STREAM\s0\*(R"
+section.
+.SH "OPTIONS"
+.IX Header "OPTIONS"
+All the numerical options, if not specified otherwise, accept a string
+representing a number as input, which may be followed by one of the \s-1SI\s0
+unit prefixes, for example: 'K', 'M', or 'G'.
+.PP
+If 'i' is appended to the \s-1SI\s0 unit prefix, the complete prefix will be
+interpreted as a unit prefix for binary multiples, which are based on
+powers of 1024 instead of powers of 1000. Appending 'B' to the \s-1SI\s0 unit
+prefix multiplies the value by 8. This allows using, for example:
+\&'\s-1KB\s0', 'MiB', 'G' and 'B' as number suffixes.
+.PP
+Options which do not take arguments are boolean options, and set the
+corresponding value to true. They can be set to false by prefixing
+the option name with \*(L"no\*(R". For example using \*(L"\-nofoo\*(R"
+will set the boolean option with name \*(L"foo\*(R" to false.
+.SS "Stream specifiers"
+.IX Subsection "Stream specifiers"
+Some options are applied per-stream, e.g. bitrate or codec. Stream specifiers
+are used to precisely specify which stream(s) a given option belongs to.
+.PP
+A stream specifier is a string generally appended to the option name and
+separated from it by a colon. E.g. \f(CW\*(C`\-codec:a:1 ac3\*(C'\fR contains the
+\&\f(CW\*(C`a:1\*(C'\fR stream specifier, which matches the second audio stream. Therefore, it
+would select the ac3 codec for the second audio stream.
+.PP
+A stream specifier can match several streams, so that the option is applied to all
+of them. E.g. the stream specifier in \f(CW\*(C`\-b:a 128k\*(C'\fR matches all audio
+streams.
+.PP
+An empty stream specifier matches all streams. For example, \f(CW\*(C`\-codec copy\*(C'\fR
+or \f(CW\*(C`\-codec: copy\*(C'\fR would copy all the streams without reencoding.
+.PP
+Possible forms of stream specifiers are:
+.IP "\fIstream_index\fR" 4
+.IX Item "stream_index"
+Matches the stream with this index. E.g. \f(CW\*(C`\-threads:1 4\*(C'\fR would set the
+thread count for the second stream to 4.
+.IP "\fIstream_type\fR\fB[:\fR\fIstream_index\fR\fB]\fR" 4
+.IX Item "stream_type[:stream_index]"
+\&\fIstream_type\fR is one of following: 'v' or 'V' for video, 'a' for audio, 's'
+for subtitle, 'd' for data, and 't' for attachments. 'v' matches all video
+streams, 'V' only matches video streams which are not attached pictures, video
+thumbnails or cover arts. If \fIstream_index\fR is given, then it matches
+stream number \fIstream_index\fR of this type. Otherwise, it matches all
+streams of this type.
+.IP "\fBp:\fR\fIprogram_id\fR\fB[:\fR\fIstream_index\fR\fB] or p:\fR\fIprogram_id\fR\fB[:\fR\fIstream_type\fR\fB[:\fR\fIstream_index\fR\fB]] or\fR" 4
+.IX Item "p:program_id[:stream_index] or p:program_id[:stream_type[:stream_index]] or"
+p:\fIprogram_id\fR:m:\fIkey\fR[:\fIvalue\fR]
+In first version, if \fIstream_index\fR is given, then it matches the stream with number \fIstream_index\fR
+in the program with the id \fIprogram_id\fR. Otherwise, it matches all streams in the
+program. In the second version, \fIstream_type\fR is one of following: 'v' for video, 'a' for audio, 's'
+for subtitle, 'd' for data. If \fIstream_index\fR is also given, then it matches
+stream number \fIstream_index\fR of this type in the program with the id \fIprogram_id\fR.
+Otherwise, if only \fIstream_type\fR is given, it matches all
+streams of this type in the program with the id \fIprogram_id\fR.
+In the third version matches streams in the program with the id \fIprogram_id\fR with the metadata
+tag \fIkey\fR having the specified value. If
+\&\fIvalue\fR is not given, matches streams that contain the given tag with any
+value.
+.IP "\fB#\fR\fIstream_id\fR \fBor i:\fR\fIstream_id\fR" 4
+.IX Item "#stream_id or i:stream_id"
+Match the stream by stream id (e.g. \s-1PID\s0 in MPEG-TS container).
+.IP "\fBm:\fR\fIkey\fR\fB[:\fR\fIvalue\fR\fB]\fR" 4
+.IX Item "m:key[:value]"
+Matches streams with the metadata tag \fIkey\fR having the specified value. If
+\&\fIvalue\fR is not given, matches streams that contain the given tag with any
+value.
+.IP "\fBu\fR" 4
+.IX Item "u"
+Matches streams with usable configuration, the codec must be defined and the
+essential information such as video dimension or audio sample rate must be present.
+.Sp
+Note that in \fBffmpeg\fR, matching by metadata will only work properly for
+input files.
+.SS "Generic options"
+.IX Subsection "Generic options"
+These options are shared amongst the ff* tools.
+.IP "\fB\-L\fR" 4
+.IX Item "-L"
+Show license.
+.IP "\fB\-h, \-?, \-help, \-\-help [\fR\fIarg\fR\fB]\fR" 4
+.IX Item "-h, -?, -help, --help [arg]"
+Show help. An optional parameter may be specified to print help about a specific
+item. If no argument is specified, only basic (non advanced) tool
+options are shown.
+.Sp
+Possible values of \fIarg\fR are:
+.RS 4
+.IP "\fBlong\fR" 4
+.IX Item "long"
+Print advanced tool options in addition to the basic tool options.
+.IP "\fBfull\fR" 4
+.IX Item "full"
+Print complete list of options, including shared and private options
+for encoders, decoders, demuxers, muxers, filters, etc.
+.IP "\fBdecoder=\fR\fIdecoder_name\fR" 4
+.IX Item "decoder=decoder_name"
+Print detailed information about the decoder named \fIdecoder_name\fR. Use the
+\&\fB\-decoders\fR option to get a list of all decoders.
+.IP "\fBencoder=\fR\fIencoder_name\fR" 4
+.IX Item "encoder=encoder_name"
+Print detailed information about the encoder named \fIencoder_name\fR. Use the
+\&\fB\-encoders\fR option to get a list of all encoders.
+.IP "\fBdemuxer=\fR\fIdemuxer_name\fR" 4
+.IX Item "demuxer=demuxer_name"
+Print detailed information about the demuxer named \fIdemuxer_name\fR. Use the
+\&\fB\-formats\fR option to get a list of all demuxers and muxers.
+.IP "\fBmuxer=\fR\fImuxer_name\fR" 4
+.IX Item "muxer=muxer_name"
+Print detailed information about the muxer named \fImuxer_name\fR. Use the
+\&\fB\-formats\fR option to get a list of all muxers and demuxers.
+.IP "\fBfilter=\fR\fIfilter_name\fR" 4
+.IX Item "filter=filter_name"
+Print detailed information about the filter name \fIfilter_name\fR. Use the
+\&\fB\-filters\fR option to get a list of all filters.
+.RE
+.RS 4
+.RE
+.IP "\fB\-version\fR" 4
+.IX Item "-version"
+Show version.
+.IP "\fB\-formats\fR" 4
+.IX Item "-formats"
+Show available formats (including devices).
+.IP "\fB\-demuxers\fR" 4
+.IX Item "-demuxers"
+Show available demuxers.
+.IP "\fB\-muxers\fR" 4
+.IX Item "-muxers"
+Show available muxers.
+.IP "\fB\-devices\fR" 4
+.IX Item "-devices"
+Show available devices.
+.IP "\fB\-codecs\fR" 4
+.IX Item "-codecs"
+Show all codecs known to libavcodec.
+.Sp
+Note that the term 'codec' is used throughout this documentation as a shortcut
+for what is more correctly called a media bitstream format.
+.IP "\fB\-decoders\fR" 4
+.IX Item "-decoders"
+Show available decoders.
+.IP "\fB\-encoders\fR" 4
+.IX Item "-encoders"
+Show all available encoders.
+.IP "\fB\-bsfs\fR" 4
+.IX Item "-bsfs"
+Show available bitstream filters.
+.IP "\fB\-protocols\fR" 4
+.IX Item "-protocols"
+Show available protocols.
+.IP "\fB\-filters\fR" 4
+.IX Item "-filters"
+Show available libavfilter filters.
+.IP "\fB\-pix_fmts\fR" 4
+.IX Item "-pix_fmts"
+Show available pixel formats.
+.IP "\fB\-sample_fmts\fR" 4
+.IX Item "-sample_fmts"
+Show available sample formats.
+.IP "\fB\-layouts\fR" 4
+.IX Item "-layouts"
+Show channel names and standard channel layouts.
+.IP "\fB\-colors\fR" 4
+.IX Item "-colors"
+Show recognized color names.
+.IP "\fB\-sources\fR \fIdevice\fR\fB[,\fR\fIopt1\fR\fB=\fR\fIval1\fR\fB[,\fR\fIopt2\fR\fB=\fR\fIval2\fR\fB]...]\fR" 4
+.IX Item "-sources device[,opt1=val1[,opt2=val2]...]"
+Show autodetected sources of the input device.
+Some devices may provide system-dependent source names that cannot be autodetected.
+The returned list cannot be assumed to be always complete.
+.Sp
+.Vb 1
+\& ffmpeg \-sources pulse,server=192.168.0.4
+.Ve
+.IP "\fB\-sinks\fR \fIdevice\fR\fB[,\fR\fIopt1\fR\fB=\fR\fIval1\fR\fB[,\fR\fIopt2\fR\fB=\fR\fIval2\fR\fB]...]\fR" 4
+.IX Item "-sinks device[,opt1=val1[,opt2=val2]...]"
+Show autodetected sinks of the output device.
+Some devices may provide system-dependent sink names that cannot be autodetected.
+The returned list cannot be assumed to be always complete.
+.Sp
+.Vb 1
+\& ffmpeg \-sinks pulse,server=192.168.0.4
+.Ve
+.IP "\fB\-loglevel [\fR\fIflags\fR\fB+]\fR\fIloglevel\fR \fB| \-v [\fR\fIflags\fR\fB+]\fR\fIloglevel\fR" 4
+.IX Item "-loglevel [flags+]loglevel | -v [flags+]loglevel"
+Set logging level and flags used by the library.
+.Sp
+The optional \fIflags\fR prefix can consist of the following values:
+.RS 4
+.IP "\fBrepeat\fR" 4
+.IX Item "repeat"
+Indicates that repeated log output should not be compressed to the first line
+and the \*(L"Last message repeated n times\*(R" line will be omitted.
+.IP "\fBlevel\fR" 4
+.IX Item "level"
+Indicates that log output should add a \f(CW\*(C`[level]\*(C'\fR prefix to each message
+line. This can be used as an alternative to log coloring, e.g. when dumping the
+log to file.
+.RE
+.RS 4
+.Sp
+Flags can also be used alone by adding a '+'/'\-' prefix to set/reset a single
+flag without affecting other \fIflags\fR or changing \fIloglevel\fR. When
+setting both \fIflags\fR and \fIloglevel\fR, a '+' separator is expected
+between the last \fIflags\fR value and before \fIloglevel\fR.
+.Sp
+\&\fIloglevel\fR is a string or a number containing one of the following values:
+.IP "\fBquiet, \-8\fR" 4
+.IX Item "quiet, -8"
+Show nothing at all; be silent.
+.IP "\fBpanic, 0\fR" 4
+.IX Item "panic, 0"
+Only show fatal errors which could lead the process to crash, such as
+an assertion failure. This is not currently used for anything.
+.IP "\fBfatal, 8\fR" 4
+.IX Item "fatal, 8"
+Only show fatal errors. These are errors after which the process absolutely
+cannot continue.
+.IP "\fBerror, 16\fR" 4
+.IX Item "error, 16"
+Show all errors, including ones which can be recovered from.
+.IP "\fBwarning, 24\fR" 4
+.IX Item "warning, 24"
+Show all warnings and errors. Any message related to possibly
+incorrect or unexpected events will be shown.
+.IP "\fBinfo, 32\fR" 4
+.IX Item "info, 32"
+Show informative messages during processing. This is in addition to
+warnings and errors. This is the default value.
+.IP "\fBverbose, 40\fR" 4
+.IX Item "verbose, 40"
+Same as \f(CW\*(C`info\*(C'\fR, except more verbose.
+.IP "\fBdebug, 48\fR" 4
+.IX Item "debug, 48"
+Show everything, including debugging information.
+.IP "\fBtrace, 56\fR" 4
+.IX Item "trace, 56"
+.RE
+.RS 4
+.Sp
+For example to enable repeated log output, add the \f(CW\*(C`level\*(C'\fR prefix, and set
+\&\fIloglevel\fR to \f(CW\*(C`verbose\*(C'\fR:
+.Sp
+.Vb 1
+\& ffmpeg \-loglevel repeat+level+verbose \-i input output
+.Ve
+.Sp
+Another example that enables repeated log output without affecting current
+state of \f(CW\*(C`level\*(C'\fR prefix flag or \fIloglevel\fR:
+.Sp
+.Vb 1
+\& ffmpeg [...] \-loglevel +repeat
+.Ve
+.Sp
+By default the program logs to stderr. If coloring is supported by the
+terminal, colors are used to mark errors and warnings. Log coloring
+can be disabled setting the environment variable
+\&\fB\s-1AV_LOG_FORCE_NOCOLOR\s0\fR or \fB\s-1NO_COLOR\s0\fR, or can be forced setting
+the environment variable \fB\s-1AV_LOG_FORCE_COLOR\s0\fR.
+The use of the environment variable \fB\s-1NO_COLOR\s0\fR is deprecated and
+will be dropped in a future FFmpeg version.
+.RE
+.IP "\fB\-report\fR" 4
+.IX Item "-report"
+Dump full command line and console output to a file named
+\&\f(CW\*(C`\f(CIprogram\f(CW\-\f(CIYYYYMMDD\f(CW\-\f(CIHHMMSS\f(CW.log\*(C'\fR in the current
+directory.
+This file can be useful for bug reports.
+It also implies \f(CW\*(C`\-loglevel verbose\*(C'\fR.
+.Sp
+Setting the environment variable \fB\s-1FFREPORT\s0\fR to any value has the
+same effect. If the value is a ':'\-separated key=value sequence, these
+options will affect the report; option values must be escaped if they
+contain special characters or the options delimiter ':' (see the
+``Quoting and escaping'' section in the ffmpeg-utils manual).
+.Sp
+The following options are recognized:
+.RS 4
+.IP "\fBfile\fR" 4
+.IX Item "file"
+set the file name to use for the report; \f(CW%p\fR is expanded to the name
+of the program, \f(CW%t\fR is expanded to a timestamp, \f(CW\*(C`%%\*(C'\fR is expanded
+to a plain \f(CW\*(C`%\*(C'\fR
+.IP "\fBlevel\fR" 4
+.IX Item "level"
+set the log verbosity level using a numerical value (see \f(CW\*(C`\-loglevel\*(C'\fR).
+.RE
+.RS 4
+.Sp
+For example, to output a report to a file named \fIffreport.log\fR
+using a log level of \f(CW32\fR (alias for log level \f(CW\*(C`info\*(C'\fR):
+.Sp
+.Vb 1
+\& FFREPORT=file=ffreport.log:level=32 ffmpeg \-i input output
+.Ve
+.Sp
+Errors in parsing the environment variable are not fatal, and will not
+appear in the report.
+.RE
+.IP "\fB\-hide_banner\fR" 4
+.IX Item "-hide_banner"
+Suppress printing banner.
+.Sp
+All FFmpeg tools will normally show a copyright notice, build options
+and library versions. This option can be used to suppress printing
+this information.
+.IP "\fB\-cpuflags flags (\fR\fIglobal\fR\fB)\fR" 4
+.IX Item "-cpuflags flags (global)"
+Allows setting and clearing cpu flags. This option is intended
+for testing. Do not use it unless you know what you're doing.
+.Sp
+.Vb 3
+\& ffmpeg \-cpuflags \-sse+mmx ...
+\& ffmpeg \-cpuflags mmx ...
+\& ffmpeg \-cpuflags 0 ...
+.Ve
+.Sp
+Possible flags for this option are:
+.RS 4
+.IP "\fBx86\fR" 4
+.IX Item "x86"
+.RS 4
+.PD 0
+.IP "\fBmmx\fR" 4
+.IX Item "mmx"
+.IP "\fBmmxext\fR" 4
+.IX Item "mmxext"
+.IP "\fBsse\fR" 4
+.IX Item "sse"
+.IP "\fBsse2\fR" 4
+.IX Item "sse2"
+.IP "\fBsse2slow\fR" 4
+.IX Item "sse2slow"
+.IP "\fBsse3\fR" 4
+.IX Item "sse3"
+.IP "\fBsse3slow\fR" 4
+.IX Item "sse3slow"
+.IP "\fBssse3\fR" 4
+.IX Item "ssse3"
+.IP "\fBatom\fR" 4
+.IX Item "atom"
+.IP "\fBsse4.1\fR" 4
+.IX Item "sse4.1"
+.IP "\fBsse4.2\fR" 4
+.IX Item "sse4.2"
+.IP "\fBavx\fR" 4
+.IX Item "avx"
+.IP "\fBavx2\fR" 4
+.IX Item "avx2"
+.IP "\fBxop\fR" 4
+.IX Item "xop"
+.IP "\fBfma3\fR" 4
+.IX Item "fma3"
+.IP "\fBfma4\fR" 4
+.IX Item "fma4"
+.IP "\fB3dnow\fR" 4
+.IX Item "3dnow"
+.IP "\fB3dnowext\fR" 4
+.IX Item "3dnowext"
+.IP "\fBbmi1\fR" 4
+.IX Item "bmi1"
+.IP "\fBbmi2\fR" 4
+.IX Item "bmi2"
+.IP "\fBcmov\fR" 4
+.IX Item "cmov"
+.RE
+.RS 4
+.RE
+.IP "\fB\s-1ARM\s0\fR" 4
+.IX Item "ARM"
+.RS 4
+.IP "\fBarmv5te\fR" 4
+.IX Item "armv5te"
+.IP "\fBarmv6\fR" 4
+.IX Item "armv6"
+.IP "\fBarmv6t2\fR" 4
+.IX Item "armv6t2"
+.IP "\fBvfp\fR" 4
+.IX Item "vfp"
+.IP "\fBvfpv3\fR" 4
+.IX Item "vfpv3"
+.IP "\fBneon\fR" 4
+.IX Item "neon"
+.IP "\fBsetend\fR" 4
+.IX Item "setend"
+.RE
+.RS 4
+.RE
+.IP "\fBAArch64\fR" 4
+.IX Item "AArch64"
+.RS 4
+.IP "\fBarmv8\fR" 4
+.IX Item "armv8"
+.IP "\fBvfp\fR" 4
+.IX Item "vfp"
+.IP "\fBneon\fR" 4
+.IX Item "neon"
+.RE
+.RS 4
+.RE
+.IP "\fBPowerPC\fR" 4
+.IX Item "PowerPC"
+.RS 4
+.IP "\fBaltivec\fR" 4
+.IX Item "altivec"
+.RE
+.RS 4
+.RE
+.IP "\fBSpecific Processors\fR" 4
+.IX Item "Specific Processors"
+.RS 4
+.IP "\fBpentium2\fR" 4
+.IX Item "pentium2"
+.IP "\fBpentium3\fR" 4
+.IX Item "pentium3"
+.IP "\fBpentium4\fR" 4
+.IX Item "pentium4"
+.IP "\fBk6\fR" 4
+.IX Item "k6"
+.IP "\fBk62\fR" 4
+.IX Item "k62"
+.IP "\fBathlon\fR" 4
+.IX Item "athlon"
+.IP "\fBathlonxp\fR" 4
+.IX Item "athlonxp"
+.IP "\fBk8\fR" 4
+.IX Item "k8"
+.RE
+.RS 4
+.RE
+.RE
+.RS 4
+.RE
+.PD
+.SS "AVOptions"
+.IX Subsection "AVOptions"
+These options are provided directly by the libavformat, libavdevice and
+libavcodec libraries. To see the list of available AVOptions, use the
+\&\fB\-help\fR option. They are separated into two categories:
+.IP "\fBgeneric\fR" 4
+.IX Item "generic"
+These options can be set for any container, codec or device. Generic options
+are listed under AVFormatContext options for containers/devices and under
+AVCodecContext options for codecs.
+.IP "\fBprivate\fR" 4
+.IX Item "private"
+These options are specific to the given container, device or codec. Private
+options are listed under their corresponding containers/devices/codecs.
+.PP
+For example to write an ID3v2.3 header instead of a default ID3v2.4 to
+an \s-1MP3\s0 file, use the \fBid3v2_version\fR private option of the \s-1MP3\s0
+muxer:
+.PP
+.Vb 1
+\& ffmpeg \-i input.flac \-id3v2_version 3 out.mp3
+.Ve
+.PP
+All codec AVOptions are per-stream, and thus a stream specifier
+should be attached to them.
+.PP
+Note: the \fB\-nooption\fR syntax cannot be used for boolean
+AVOptions, use \fB\-option 0\fR/\fB\-option 1\fR.
+.PP
+Note: the old undocumented way of specifying per-stream AVOptions by
+prepending v/a/s to the options name is now obsolete and will be
+removed soon.
+.SS "Main options"
+.IX Subsection "Main options"
+.IP "\fB\-f\fR \fIformat\fR" 4
+.IX Item "-f format"
+Force format to use.
+.IP "\fB\-unit\fR" 4
+.IX Item "-unit"
+Show the unit of the displayed values.
+.IP "\fB\-prefix\fR" 4
+.IX Item "-prefix"
+Use \s-1SI\s0 prefixes for the displayed values.
+Unless the \*(L"\-byte_binary_prefix\*(R" option is used all the prefixes
+are decimal.
+.IP "\fB\-byte_binary_prefix\fR" 4
+.IX Item "-byte_binary_prefix"
+Force the use of binary prefixes for byte values.
+.IP "\fB\-sexagesimal\fR" 4
+.IX Item "-sexagesimal"
+Use sexagesimal format \s-1HH:MM:SS\s0.MICROSECONDS for time values.
+.IP "\fB\-pretty\fR" 4
+.IX Item "-pretty"
+Prettify the format of the displayed values, it corresponds to the
+options \*(L"\-unit \-prefix \-byte_binary_prefix \-sexagesimal\*(R".
+.IP "\fB\-of, \-print_format\fR \fIwriter_name\fR\fB[=\fR\fIwriter_options\fR\fB]\fR" 4
+.IX Item "-of, -print_format writer_name[=writer_options]"
+Set the output printing format.
+.Sp
+\&\fIwriter_name\fR specifies the name of the writer, and
+\&\fIwriter_options\fR specifies the options to be passed to the writer.
+.Sp
+For example for printing the output in \s-1JSON\s0 format, specify:
+.Sp
+.Vb 1
+\& \-print_format json
+.Ve
+.Sp
+For more details on the available output printing formats, see the
+Writers section below.
+.IP "\fB\-sections\fR" 4
+.IX Item "-sections"
+Print sections structure and section information, and exit. The output
+is not meant to be parsed by a machine.
+.IP "\fB\-select_streams\fR \fIstream_specifier\fR" 4
+.IX Item "-select_streams stream_specifier"
+Select only the streams specified by \fIstream_specifier\fR. This
+option affects only the options related to streams
+(e.g. \f(CW\*(C`show_streams\*(C'\fR, \f(CW\*(C`show_packets\*(C'\fR, etc.).
+.Sp
+For example to show only audio streams, you can use the command:
+.Sp
+.Vb 1
+\& ffprobe \-show_streams \-select_streams a INPUT
+.Ve
+.Sp
+To show only video packets belonging to the video stream with index 1:
+.Sp
+.Vb 1
+\& ffprobe \-show_packets \-select_streams v:1 INPUT
+.Ve
+.IP "\fB\-show_data\fR" 4
+.IX Item "-show_data"
+Show payload data, as a hexadecimal and \s-1ASCII\s0 dump. Coupled with
+\&\fB\-show_packets\fR, it will dump the packets' data. Coupled with
+\&\fB\-show_streams\fR, it will dump the codec extradata.
+.Sp
+The dump is printed as the \*(L"data\*(R" field. It may contain newlines.
+.IP "\fB\-show_data_hash\fR \fIalgorithm\fR" 4
+.IX Item "-show_data_hash algorithm"
+Show a hash of payload data, for packets with \fB\-show_packets\fR and for
+codec extradata with \fB\-show_streams\fR.
+.IP "\fB\-show_error\fR" 4
+.IX Item "-show_error"
+Show information about the error found when trying to probe the input.
+.Sp
+The error information is printed within a section with name \*(L"\s-1ERROR\s0\*(R".
+.IP "\fB\-show_format\fR" 4
+.IX Item "-show_format"
+Show information about the container format of the input multimedia
+stream.
+.Sp
+All the container format information is printed within a section with
+name \*(L"\s-1FORMAT\s0\*(R".
+.IP "\fB\-show_format_entry\fR \fIname\fR" 4
+.IX Item "-show_format_entry name"
+Like \fB\-show_format\fR, but only prints the specified entry of the
+container format information, rather than all. This option may be given more
+than once, then all specified entries will be shown.
+.Sp
+This option is deprecated, use \f(CW\*(C`show_entries\*(C'\fR instead.
+.IP "\fB\-show_entries\fR \fIsection_entries\fR" 4
+.IX Item "-show_entries section_entries"
+Set list of entries to show.
+.Sp
+Entries are specified according to the following
+syntax. \fIsection_entries\fR contains a list of section entries
+separated by \f(CW\*(C`:\*(C'\fR. Each section entry is composed by a section
+name (or unique name), optionally followed by a list of entries local
+to that section, separated by \f(CW\*(C`,\*(C'\fR.
+.Sp
+If section name is specified but is followed by no \f(CW\*(C`=\*(C'\fR, all
+entries are printed to output, together with all the contained
+sections. Otherwise only the entries specified in the local section
+entries list are printed. In particular, if \f(CW\*(C`=\*(C'\fR is specified but
+the list of local entries is empty, then no entries will be shown for
+that section.
+.Sp
+Note that the order of specification of the local section entries is
+not honored in the output, and the usual display order will be
+retained.
+.Sp
+The formal syntax is given by:
+.Sp
+.Vb 3
+\& <LOCAL_SECTION_ENTRIES> ::= <SECTION_ENTRY_NAME>[,<LOCAL_SECTION_ENTRIES>]
+\& <SECTION_ENTRY> ::= <SECTION_NAME>[=[<LOCAL_SECTION_ENTRIES>]]
+\& <SECTION_ENTRIES> ::= <SECTION_ENTRY>[:<SECTION_ENTRIES>]
+.Ve
+.Sp
+For example, to show only the index and type of each stream, and the \s-1PTS\s0
+time, duration time, and stream index of the packets, you can specify
+the argument:
+.Sp
+.Vb 1
+\& packet=pts_time,duration_time,stream_index : stream=index,codec_type
+.Ve
+.Sp
+To show all the entries in the section \*(L"format\*(R", but only the codec
+type in the section \*(L"stream\*(R", specify the argument:
+.Sp
+.Vb 1
+\& format : stream=codec_type
+.Ve
+.Sp
+To show all the tags in the stream and format sections:
+.Sp
+.Vb 1
+\& stream_tags : format_tags
+.Ve
+.Sp
+To show only the \f(CW\*(C`title\*(C'\fR tag (if available) in the stream
+sections:
+.Sp
+.Vb 1
+\& stream_tags=title
+.Ve
+.IP "\fB\-show_packets\fR" 4
+.IX Item "-show_packets"
+Show information about each packet contained in the input multimedia
+stream.
+.Sp
+The information for each single packet is printed within a dedicated
+section with name \*(L"\s-1PACKET\s0\*(R".
+.IP "\fB\-show_frames\fR" 4
+.IX Item "-show_frames"
+Show information about each frame and subtitle contained in the input
+multimedia stream.
+.Sp
+The information for each single frame is printed within a dedicated
+section with name \*(L"\s-1FRAME\s0\*(R" or \*(L"\s-1SUBTITLE\s0\*(R".
+.IP "\fB\-show_log\fR \fIloglevel\fR" 4
+.IX Item "-show_log loglevel"
+Show logging information from the decoder about each frame according to
+the value set in \fIloglevel\fR, (see \f(CW\*(C`\-loglevel\*(C'\fR). This option requires \f(CW\*(C`\-show_frames\*(C'\fR.
+.Sp
+The information for each log message is printed within a dedicated
+section with name \*(L"\s-1LOG\s0\*(R".
+.IP "\fB\-show_streams\fR" 4
+.IX Item "-show_streams"
+Show information about each media stream contained in the input
+multimedia stream.
+.Sp
+Each media stream information is printed within a dedicated section
+with name \*(L"\s-1STREAM\s0\*(R".
+.IP "\fB\-show_programs\fR" 4
+.IX Item "-show_programs"
+Show information about programs and their streams contained in the input
+multimedia stream.
+.Sp
+Each media stream information is printed within a dedicated section
+with name \*(L"\s-1PROGRAM_STREAM\s0\*(R".
+.IP "\fB\-show_chapters\fR" 4
+.IX Item "-show_chapters"
+Show information about chapters stored in the format.
+.Sp
+Each chapter is printed within a dedicated section with name \*(L"\s-1CHAPTER\s0\*(R".
+.IP "\fB\-count_frames\fR" 4
+.IX Item "-count_frames"
+Count the number of frames per stream and report it in the
+corresponding stream section.
+.IP "\fB\-count_packets\fR" 4
+.IX Item "-count_packets"
+Count the number of packets per stream and report it in the
+corresponding stream section.
+.IP "\fB\-read_intervals\fR \fIread_intervals\fR" 4
+.IX Item "-read_intervals read_intervals"
+Read only the specified intervals. \fIread_intervals\fR must be a
+sequence of interval specifications separated by \*(L",\*(R".
+\&\fBffprobe\fR will seek to the interval starting point, and will
+continue reading from that.
+.Sp
+Each interval is specified by two optional parts, separated by \*(L"%\*(R".
+.Sp
+The first part specifies the interval start position. It is
+interpreted as an absolute position, or as a relative offset from the
+current position if it is preceded by the \*(L"+\*(R" character. If this first
+part is not specified, no seeking will be performed when reading this
+interval.
+.Sp
+The second part specifies the interval end position. It is interpreted
+as an absolute position, or as a relative offset from the current
+position if it is preceded by the \*(L"+\*(R" character. If the offset
+specification starts with \*(L"#\*(R", it is interpreted as the number of
+packets to read (not including the flushing packets) from the interval
+start. If no second part is specified, the program will read until the
+end of the input.
+.Sp
+Note that seeking is not accurate, thus the actual interval start
+point may be different from the specified position. Also, when an
+interval duration is specified, the absolute end time will be computed
+by adding the duration to the interval start point found by seeking
+the file, rather than to the specified start value.
+.Sp
+The formal syntax is given by:
+.Sp
+.Vb 2
+\& <INTERVAL> ::= [<START>|+<START_OFFSET>][%[<END>|+<END_OFFSET>]]
+\& <INTERVALS> ::= <INTERVAL>[,<INTERVALS>]
+.Ve
+.Sp
+A few examples follow.
+.RS 4
+.IP "\(bu" 4
+Seek to time 10, read packets until 20 seconds after the found seek
+point, then seek to position \f(CW\*(C`01:30\*(C'\fR (1 minute and thirty
+seconds) and read packets until position \f(CW\*(C`01:45\*(C'\fR.
+.Sp
+.Vb 1
+\& 10%+20,01:30%01:45
+.Ve
+.IP "\(bu" 4
+Read only 42 packets after seeking to position \f(CW\*(C`01:23\*(C'\fR:
+.Sp
+.Vb 1
+\& 01:23%+#42
+.Ve
+.IP "\(bu" 4
+Read only the first 20 seconds from the start:
+.Sp
+.Vb 1
+\& %+20
+.Ve
+.IP "\(bu" 4
+Read from the start until position \f(CW\*(C`02:30\*(C'\fR:
+.Sp
+.Vb 1
+\& %02:30
+.Ve
+.RE
+.RS 4
+.RE
+.IP "\fB\-show_private_data, \-private\fR" 4
+.IX Item "-show_private_data, -private"
+Show private data, that is data depending on the format of the
+particular shown element.
+This option is enabled by default, but you may need to disable it
+for specific uses, for example when creating XSD-compliant \s-1XML\s0 output.
+.IP "\fB\-show_program_version\fR" 4
+.IX Item "-show_program_version"
+Show information related to program version.
+.Sp
+Version information is printed within a section with name
+\&\*(L"\s-1PROGRAM_VERSION\s0\*(R".
+.IP "\fB\-show_library_versions\fR" 4
+.IX Item "-show_library_versions"
+Show information related to library versions.
+.Sp
+Version information for each library is printed within a section with
+name \*(L"\s-1LIBRARY_VERSION\s0\*(R".
+.IP "\fB\-show_versions\fR" 4
+.IX Item "-show_versions"
+Show information related to program and library versions. This is the
+equivalent of setting both \fB\-show_program_version\fR and
+\&\fB\-show_library_versions\fR options.
+.IP "\fB\-show_pixel_formats\fR" 4
+.IX Item "-show_pixel_formats"
+Show information about all pixel formats supported by FFmpeg.
+.Sp
+Pixel format information for each format is printed within a section
+with name \*(L"\s-1PIXEL_FORMAT\s0\*(R".
+.IP "\fB\-bitexact\fR" 4
+.IX Item "-bitexact"
+Force bitexact output, useful to produce output which is not dependent
+on the specific build.
+.IP "\fB\-i\fR \fIinput_url\fR" 4
+.IX Item "-i input_url"
+Read \fIinput_url\fR.
+.SH "WRITERS"
+.IX Header "WRITERS"
+A writer defines the output format adopted by \fBffprobe\fR, and will be
+used for printing all the parts of the output.
+.PP
+A writer may accept one or more arguments, which specify the options
+to adopt. The options are specified as a list of \fIkey\fR=\fIvalue\fR
+pairs, separated by \*(L":\*(R".
+.PP
+All writers support the following options:
+.IP "\fBstring_validation, sv\fR" 4
+.IX Item "string_validation, sv"
+Set string validation mode.
+.Sp
+The following values are accepted.
+.RS 4
+.IP "\fBfail\fR" 4
+.IX Item "fail"
+The writer will fail immediately in case an invalid string (\s-1UTF\-8\s0)
+sequence or code point is found in the input. This is especially
+useful to validate input metadata.
+.IP "\fBignore\fR" 4
+.IX Item "ignore"
+Any validation error will be ignored. This will result in possibly
+broken output, especially with the json or xml writer.
+.IP "\fBreplace\fR" 4
+.IX Item "replace"
+The writer will substitute invalid \s-1UTF\-8\s0 sequences or code points with
+the string specified with the \fBstring_validation_replacement\fR.
+.RE
+.RS 4
+.Sp
+Default value is \fBreplace\fR.
+.RE
+.IP "\fBstring_validation_replacement, svr\fR" 4
+.IX Item "string_validation_replacement, svr"
+Set replacement string to use in case \fBstring_validation\fR is
+set to \fBreplace\fR.
+.Sp
+In case the option is not specified, the writer will assume the empty
+string, that is it will remove the invalid sequences from the input
+strings.
+.PP
+A description of the currently available writers follows.
+.SS "default"
+.IX Subsection "default"
+Default format.
+.PP
+Print each section in the form:
+.PP
+.Vb 5
+\& [SECTION]
+\& key1=val1
+\& ...
+\& keyN=valN
+\& [/SECTION]
+.Ve
+.PP
+Metadata tags are printed as a line in the corresponding \s-1FORMAT\s0, \s-1STREAM\s0 or
+\&\s-1PROGRAM_STREAM\s0 section, and are prefixed by the string \*(L"\s-1TAG:\s0\*(R".
+.PP
+A description of the accepted options follows.
+.IP "\fBnokey, nk\fR" 4
+.IX Item "nokey, nk"
+If set to 1 specify not to print the key of each field. Default value
+is 0.
+.IP "\fBnoprint_wrappers, nw\fR" 4
+.IX Item "noprint_wrappers, nw"
+If set to 1 specify not to print the section header and footer.
+Default value is 0.
+.SS "compact, csv"
+.IX Subsection "compact, csv"
+Compact and \s-1CSV\s0 format.
+.PP
+The \f(CW\*(C`csv\*(C'\fR writer is equivalent to \f(CW\*(C`compact\*(C'\fR, but supports
+different defaults.
+.PP
+Each section is printed on a single line.
+If no option is specifid, the output has the form:
+.PP
+.Vb 1
+\& section|key1=val1| ... |keyN=valN
+.Ve
+.PP
+Metadata tags are printed in the corresponding \*(L"format\*(R" or \*(L"stream\*(R"
+section. A metadata tag key, if printed, is prefixed by the string
+\&\*(L"tag:\*(R".
+.PP
+The description of the accepted options follows.
+.IP "\fBitem_sep, s\fR" 4
+.IX Item "item_sep, s"
+Specify the character to use for separating fields in the output line.
+It must be a single printable character, it is \*(L"|\*(R" by default (\*(L",\*(R" for
+the \f(CW\*(C`csv\*(C'\fR writer).
+.IP "\fBnokey, nk\fR" 4
+.IX Item "nokey, nk"
+If set to 1 specify not to print the key of each field. Its default
+value is 0 (1 for the \f(CW\*(C`csv\*(C'\fR writer).
+.IP "\fBescape, e\fR" 4
+.IX Item "escape, e"
+Set the escape mode to use, default to \*(L"c\*(R" (\*(L"csv\*(R" for the \f(CW\*(C`csv\*(C'\fR
+writer).
+.Sp
+It can assume one of the following values:
+.RS 4
+.IP "\fBc\fR" 4
+.IX Item "c"
+Perform C\-like escaping. Strings containing a newline (\fB\en\fR), carriage
+return (\fB\er\fR), a tab (\fB\et\fR), a form feed (\fB\ef\fR), the escaping
+character (\fB\e\fR) or the item separator character \fI\s-1SEP\s0\fR are escaped
+using C\-like fashioned escaping, so that a newline is converted to the
+sequence \fB\en\fR, a carriage return to \fB\er\fR, \fB\e\fR to \fB\e\e\fR and
+the separator \fI\s-1SEP\s0\fR is converted to \fB\e\fR\fI\s-1SEP\s0\fR.
+.IP "\fBcsv\fR" 4
+.IX Item "csv"
+Perform CSV-like escaping, as described in \s-1RFC4180\s0. Strings
+containing a newline (\fB\en\fR), a carriage return (\fB\er\fR), a double quote
+(\fB"\fR), or \fI\s-1SEP\s0\fR are enclosed in double-quotes.
+.IP "\fBnone\fR" 4
+.IX Item "none"
+Perform no escaping.
+.RE
+.RS 4
+.RE
+.IP "\fBprint_section, p\fR" 4
+.IX Item "print_section, p"
+Print the section name at the beginning of each line if the value is
+\&\f(CW1\fR, disable it with value set to \f(CW0\fR. Default value is
+\&\f(CW1\fR.
+.SS "flat"
+.IX Subsection "flat"
+Flat format.
+.PP
+A free-form output where each line contains an explicit key=value, such as
+\&\*(L"streams.stream.3.tags.foo=bar\*(R". The output is shell escaped, so it can be
+directly embedded in sh scripts as long as the separator character is an
+alphanumeric character or an underscore (see \fIsep_char\fR option).
+.PP
+The description of the accepted options follows.
+.IP "\fBsep_char, s\fR" 4
+.IX Item "sep_char, s"
+Separator character used to separate the chapter, the section name, IDs and
+potential tags in the printed field key.
+.Sp
+Default value is \fB.\fR.
+.IP "\fBhierarchical, h\fR" 4
+.IX Item "hierarchical, h"
+Specify if the section name specification should be hierarchical. If
+set to 1, and if there is more than one section in the current
+chapter, the section name will be prefixed by the name of the
+chapter. A value of 0 will disable this behavior.
+.Sp
+Default value is 1.
+.SS "ini"
+.IX Subsection "ini"
+\&\s-1INI\s0 format output.
+.PP
+Print output in an \s-1INI\s0 based format.
+.PP
+The following conventions are adopted:
+.IP "\(bu" 4
+all key and values are \s-1UTF\-8\s0
+.IP "\(bu" 4
+\&\fB.\fR is the subgroup separator
+.IP "\(bu" 4
+newline, \fB\et\fR, \fB\ef\fR, \fB\eb\fR and the following characters are
+escaped
+.IP "\(bu" 4
+\&\fB\e\fR is the escape character
+.IP "\(bu" 4
+\&\fB#\fR is the comment indicator
+.IP "\(bu" 4
+\&\fB=\fR is the key/value separator
+.IP "\(bu" 4
+\&\fB:\fR is not used but usually parsed as key/value separator
+.PP
+This writer accepts options as a list of \fIkey\fR=\fIvalue\fR pairs,
+separated by \fB:\fR.
+.PP
+The description of the accepted options follows.
+.IP "\fBhierarchical, h\fR" 4
+.IX Item "hierarchical, h"
+Specify if the section name specification should be hierarchical. If
+set to 1, and if there is more than one section in the current
+chapter, the section name will be prefixed by the name of the
+chapter. A value of 0 will disable this behavior.
+.Sp
+Default value is 1.
+.SS "json"
+.IX Subsection "json"
+\&\s-1JSON\s0 based format.
+.PP
+Each section is printed using \s-1JSON\s0 notation.
+.PP
+The description of the accepted options follows.
+.IP "\fBcompact, c\fR" 4
+.IX Item "compact, c"
+If set to 1 enable compact output, that is each section will be
+printed on a single line. Default value is 0.
+.PP
+For more information about \s-1JSON\s0, see <\fBhttp://www.json.org/\fR>.
+.SS "xml"
+.IX Subsection "xml"
+\&\s-1XML\s0 based format.
+.PP
+The \s-1XML\s0 output is described in the \s-1XML\s0 schema description file
+\&\fIffprobe.xsd\fR installed in the FFmpeg datadir.
+.PP
+An updated version of the schema can be retrieved at the url
+<\fBhttp://www.ffmpeg.org/schema/ffprobe.xsd\fR>, which redirects to the
+latest schema committed into the FFmpeg development source code tree.
+.PP
+Note that the output issued will be compliant to the
+\&\fIffprobe.xsd\fR schema only when no special global output options
+(\fBunit\fR, \fBprefix\fR, \fBbyte_binary_prefix\fR,
+\&\fBsexagesimal\fR etc.) are specified.
+.PP
+The description of the accepted options follows.
+.IP "\fBfully_qualified, q\fR" 4
+.IX Item "fully_qualified, q"
+If set to 1 specify if the output should be fully qualified. Default
+value is 0.
+This is required for generating an \s-1XML\s0 file which can be validated
+through an \s-1XSD\s0 file.
+.IP "\fBxsd_strict, x\fR" 4
+.IX Item "xsd_strict, x"
+If set to 1 perform more checks for ensuring that the output is \s-1XSD\s0
+compliant. Default value is 0.
+This option automatically sets \fBfully_qualified\fR to 1.
+.PP
+For more information about the \s-1XML\s0 format, see
+<\fBhttp://www.w3.org/XML/\fR>.
+.SH "TIMECODE"
+.IX Header "TIMECODE"
+\&\fBffprobe\fR supports Timecode extraction:
+.IP "\(bu" 4
+\&\s-1MPEG1/2\s0 timecode is extracted from the \s-1GOP\s0, and is available in the video
+stream details (\fB\-show_streams\fR, see \fItimecode\fR).
+.IP "\(bu" 4
+\&\s-1MOV\s0 timecode is extracted from tmcd track, so is available in the tmcd
+stream metadata (\fB\-show_streams\fR, see \fITAG:timecode\fR).
+.IP "\(bu" 4
+\&\s-1DV\s0, \s-1GXF\s0 and \s-1AVI\s0 timecodes are available in format metadata
+(\fB\-show_format\fR, see \fITAG:timecode\fR).
+.SH "SEE ALSO"
+.IX Header "SEE ALSO"
+\&\fIffprobe\-all\fR\|(1),
+\&\fIffmpeg\fR\|(1), \fIffplay\fR\|(1),
+\&\fIffmpeg\-utils\fR\|(1), \fIffmpeg\-scaler\fR\|(1), \fIffmpeg\-resampler\fR\|(1),
+\&\fIffmpeg\-codecs\fR\|(1), \fIffmpeg\-bitstream\-filters\fR\|(1), \fIffmpeg\-formats\fR\|(1),
+\&\fIffmpeg\-devices\fR\|(1), \fIffmpeg\-protocols\fR\|(1), \fIffmpeg\-filters\fR\|(1)
+.SH "AUTHORS"
+.IX Header "AUTHORS"
+The FFmpeg developers.
+.PP
+For details about the authorship, see the Git history of the project
+(git://source.ffmpeg.org/ffmpeg), e.g. by typing the command
+\&\fBgit log\fR in the FFmpeg source directory, or browsing the
+online repository at <\fBhttp://source.ffmpeg.org\fR>.
+.PP
+Maintainers for the specific components are listed in the file
+\&\fI\s-1MAINTAINERS\s0\fR in the source code tree.
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