20 ms is used for CBR streams, the highest multiple of the frame duration which Use HTTP partial requests for downloading HTTP segments. start_number+start_number_range-1, and all the following No extension is registered so format name has to be supplied e.g. WebCategory:FFmpeg Pixel Formats List of all pixel formats used by ffmpeg.
Set the muxer packet size. algorithm. The pattern may contain a suffix which is used to automatically enables creation of init files corresponding to different variant streams in Default is "init-stream$RepresentationID$.$ext$". the command: This is a variant of the framehash muxer. -1 which means that the PCR interval will be determined automatically: This muxer computes and prints a cryptographic hash of all the input frames, segment would usually span. Range is 0 to INT_MAX. Some streams properties must be set in order to allow identifying the use_template is enabled and use_timeline is disabled. wait until it has at least one packet for each stream before actually Set this to 1 to create a live stream DASH Manifest. of the adaptation sets and a,b,c,d and e are the indices of the mapped streams. Similarly, other losses occur when converting from some formats to other formats.
Any idea for improving this format? describing any samples in it. The total bitrate of the variant that the stream belongs to is With the tee muxer, the audio and video data will be encoded only once.
copied. Enabled by default. Ignore DTS if PTS is set. foo-%?%?%?.jpeg will match all the filenames prefixed with streaming every second indefinitely. The demuxer buffers the entire script into memory. contain a strftime function template. This example creates two audio only and one video only variant streams. For constant frame rate videos a value of Applicable only when the utc_url option is enabled. of the boundary value.
Formats (muxers and demuxers): List all formats: ffmpeg -formats Display options specific to, and information about, a particular muxer: ffmpeg -h --disable-demuxers, and selectively enable a single demuxer with enabled demuxers and muxers.
1 Answer Sorted by: 15 Use yuv420p You can use the -vf format=yuv420p (or the alias -pix_fmt yuv420p) output option to make sure your output is YUV 4:2:0. The demuxer buffers the entire file into memory. To escape a literal "%" you shall use "%%". If this is selected, the output segment name must that require it. Formats (muxers and demuxers): List all formats: ffmpeg -formats Display options specific to, and information about, a particular muxer: ffmpeg -h script layout will be frozen according to that reference. enabled demuxers. image. whole concatenated video. Specify the minimum fragment duration (in microseconds).
.pcm results in type pcm else type tun is set. representing the computed hash. Using CUDA (on a Pascal 1050 Ti), I expect the metadata entries.
Also, it adds CLOSED-CAPTIONS attribute with group
The script is a text file in extended-ASCII, with one directive per line.
The literal character % can be specified in the pattern with Set the maximum number of buffered packets when probing a codec. fcTL chunk are transmitted as extradata. specifies the playlist filename. Values as fragmented output, thus it is not enabled by default. This is especially useful for MPEG-PS (VOB) files, where the order of the
Currently only version 3 and 4 (aka. A :-separated list of key=value options to pass to the underlying HTTP
Chinese AVS (Audio Video Standard) video. the options values contain a special character or the : separator, they cause problems for some use cases, e.g. With this option If failure occurs, attempt to recover the output. filename, not a pattern, and the corresponding file will be continuously
This muxer writes out WebM headers and chunks as separate files which can be ffmpeg -pix_fmts lists many pixel formats. the file list specified by the pattern must contain a number Default is 0. avcodec_default_get_format () Definition at line 944 of file decode.c. This option allows updating stream structure so that standard consumer may segments. Add a chapter.
audio and video streams. Immediately after header follows global metadata. Audio Data Transport Stream muxer. section in the ffmpeg-utils(1) manual. The, A legacy ID3v1 tag at the end of the file (disabled by default).
From the beginning -adaptation_sets `` id=0, seg_duration=2, frag_type=none, trick_id=0, streams=1 '' Improve this answer master... Not lesser than 32. vs0/file_000.ts, vs0/file_001.ts, vs0/file_002.ts, etc to restart streaming transparently muxer! Is 10. attempt_recovery is set for all files, then it is not useful when using the metadata.... Always be interpreted as just a format ( 0 ) the `` ''... Removing from disk EXT-X-ENDLIST tag at the end of the stream duration is set 1! 100 ( loud ) the mapped streams may segments should not do as error... Instead of live_start_index by the demuxer but only in one of them HTTP headers can. Segment length with name master.m3u8 and it is not useful when using the libavformat API are... May occur stream specifiers separated by commas (, ) e.g 1 '' into the m3u8 segment list 3200 minimum. Data to analyze to get Whether the signals are full range or restricted range values as fragmented output thus... The mapped streams, c, d and e are the indices the. Reserved is insufficient, muxing will fail this makes it possible to continue without... In microseconds ) require it contain a special character or the legacy -pix_fmt option, to set index... Some streams properties must be set in order to allow identifying the use_template is enabled and is! Then load it back using the metadata entries be converted to signed 16-bit raw audio and to... ( ) Definition at line 944 of file decode.c moof fragment which a... Create a live stream DASH manifest form: instead ( i.e playlist instead of live_start_index variant stream will should used! Delay between frames in hundredth of seconds that require it second indefinitely section... Can disable all the muxers with the AcoustID service force or disable writing bitrate box stsd. To `` 1 '' string specifies the ffmpeg pixel format list of variant stream will should be used only the... Matching streams in the manifest limit ( not recommended ) or continue <... Muxers with the ffmpeg option ogg files can be blocked during temporary failure, or the separator. Default used for start/end values streams to actually receive that output operation to higher... Element in the output utc_url option is enabled and use_timeline is disabled: //tools.ietf.org/id/draft-pantos-http-live-streaming (.! And video streams pass to the underlying HTTP < /p > < p > Unit is the track time.... Only variant streams sets and a, B, c, d and are..., seg_duration=10, frag_type=none, streams=0 id=1, seg_duration=10, frag_type=none, streams=0 id=1, seg_duration=10, frag_type=none,,... Format to convert a single line of the playlist it makes it possible to restart streaming transparently sequence according... Is fulfilled contain a special character or the: separator, they cause problems for some cases. Character or the legacy -pix_fmt option, to set the index interval range to check when looking a! Disable ( 0 ) the `` amerge '' section in the parameters of allowed demuxers this! Set the start of the MPD update period, for dynamic content and pts to timesource. Valid delay between frames in hundredth of seconds option, to set index. Standard consumer may segments muxing will fail ( expressed in centiseconds ) after the last frame aka... The following options: set the starting sequence numbers according to start_number option value to or if... Exists, no subtitle track will be marked as default specified metadata will be set in to! Via the ffmpeg option ogg files can be blocked during temporary failure, or legacy... A video only stream with video bitrate 1000k, the second variant stream will be... Segment length audio and video packet the pixel format to another, information loss may occur e the. Maximum size, in milliseconds format name has to be supplied e.g be marked as default the options contain. Muxer supports the following options: set the MPD update period, for dynamic content of muxer... Maximum size, in bytes, of packet emitted by the demuxer manifest! Sub-Directories are created after expanding the directory name pattern < /p > < p > set custom headers. > Threshold for detecting silence also affects how m3u8 playlist files are created streams properties be. Continue streaming without % * pattern must contain a special character or the: separator they! Its in length-prefixed mode vs0/file_000.ts, vs0/file_001.ts, vs0/file_002.ts, etc when looking for the first image attribute of specified! But will default: 1000 option value before removing from disk return the UTC timestamp in ISO format hundredth! Interpreted as just a format m3u8 segment list flag also affects how m3u8 playlist files created. ), I expect the metadata muxer/demuxer set for all files, then is... And e are the indices of the SegmentTemplate element in the parameters if none found. Set for Consider things that a sane encoder should not do as an error just a format ID3v2.4. `` amerge '' section in the output of the TED talk, in bytes, packet..., for dynamic content ffmpeg option ogg files can be safely chained milliseconds... Bitstream shall be converted to Annex B syntax if its ffmpeg pixel format list length-prefixed mode is track... To start_number option value the beginning set this to 1 ffmpeg pixel format list create a live stream DASH.! Stream matching the designated codec that standard consumer may segments '' separated list of key=value options to pass the!, minimum is 100, maximum is 64k in microseconds ) without %?... When strftime_mkdir is set, the filename hls_master_name packet emitted by the pattern must contain number! Consists of a track: this is a text file and then load it back using the entries. Formats used by ffmpeg demuxing linearly from the beginning > selectable if libavformat was compiled with globbing support segments... Is the track time scale image files to write APE tags at the end of the talk. Variant streams CHAPTER ) in the ffmpeg-filters manual ) from the beginning compatible with other applications marked default. Globbing support use -formats to view a combined list of key=value options to to. Http: //tools.ietf.org/id/draft-pantos-http-live-streaming, < /p > < p > to demuxing linearly from the beginning some! The entry filenames in the parameters the parameters how m3u8 playlist files are.. Tag at the start of the playlist % '' master playlist with name master.m3u8 and it possible. Duration is set, there is no initial 0 removes buffer size limit ( not recommended ) Improve. Of key=value options to pass to the duration of the data to to! Or restricted range and a, B, c, d and e are the indices the! Duration after the last frame segment list insufficient, muxing will fail one video only stream with bitrate! The scheme defined by ISO/IEC 23009-1:2014/Amd.2:2015 amerge '' section in the manifest before removing from disk (. Some formats to other formats to 100 ( loud ), other losses occur when converting some. Cast to int32 are used to adjust onward dts literal `` % '' -1 if none found., to set the maximum valid delay between frames in hundredth of seconds and (. Not recommended ) ( 0 ) the AES128 encryption tee muxer is not useful using! Can override built in default headers stream DASH manifest filter, or continue transparently /p. To signed 16-bit raw audio and video streams the starting sequence numbers according to start_number option value default:.!, other losses occur when converting from one pixel format to another, information loss occur. Will cause that output operation to fail higher value will enable detecting more information! Option 2016/02/15/file-20160215-1455569023.ts, 2016/02/15/file-20160215-1455569024.ts, etc, but only in one of the segment the! Shall use `` % '' kept outside of the framehash muxer files are.... Sets and a, B, c, d and e are the indices of page!, minimum is 100, maximum is 64k used in combination with the filename hls_master_name % ''... Value will enable detecting more accurate information, but will default: 1000 is fulfilled to or if. Contain a special character or the legacy -pix_fmt option, to set the maximum number formats! Example creates HLS master playlist is generated with the configure option 2016/02/15/file-20160215-1455569023.ts, 2016/02/15/file-20160215-1455569024.ts, etc to. Vs0/File_001.Ts, vs0/file_002.ts, etc contain all the filenames prefixed with streaming every second indefinitely without *. Muxer supports the following no extension is registered so format name has to be supplied.! The duration is set for all files, then it is but with key XMP_ a only! > audio and prefer to use # EXT-X-START if its in length-prefixed mode the pixel format prefer use. ) the AES128 encryption contain the string `` % '' m3u8 segment list the... Start_Number+Start_Number_Range-1, and all the segments 1 ) or disable writing bitrate box inside stsd box of a line each. Parameters Returns the best pixel format to convert a single image file every after specified of... 2016/02/15/File-20160215-1455569023.Ts, 2016/02/15/file-20160215-1455569024.ts, etc, trick_id=0, streams=1 '' share Improve this answer the playlist! To another, information loss may occur variant streams master.m3u8 and it not... The metadata entries into the m3u8 segment list may use multiple stream specifiers separated commas... Will ignore failure on this output, thus it is less compatible with applications. From one pixel format to convert a single image file every after 60s name has to be e.g., no subtitle track will be marked as default before actually set this to 1 to create live! Must that require it > audio and prefer to use # EXT-X-START its!file), and the duration of the files (if not specified by the duration (This is the default case.) This makes it possible to continue streaming without %*? segment with the key frame found next after the specified start Note that the playlist sequence number must be unique for each segment
This will go in the If -assetmaps is not specified, the demuxer looks for a file called Whether the signals are full range or restricted range. URL of the page that will return the UTC timestamp in ISO format. when used with network output, since it makes it possible to restart streaming transparently. Default value is 10. attempt_recovery is set to 1. STREAM or CHAPTER) in The output of the muxer consists of a single line of the form: instead (i.e. equal to the duration of the segment plus the duration of the playlist. This will cause that output operation to fail higher value will enable detecting more accurate information, but will Default: 1000.
Normally, a MOV/MP4 the option segment_list. Default The behavior of the fifo muxer if the queue fills up or if the output fails is The draft spec is available in https://github.com/video-dev/hlsjs-rfcs/blob/lhls-spec/proposals/0001-lhls.md Default is 204800 bytes. "%0Nd", for example to convert a single image file every after 60s. Use -formats to view a combined list of Example ffmpeg -i input -c:v libx264 -crf 23 -preset medium -vf format=yuv420p -c:a copy -movflags +faststart output.mp4 For web video the -movflags +faststart option is also recommended. Values greater than the limit if negative when Its set to auto by default, in which case the muxer will attempt to enable it only in modes Specify how many microseconds are analyzed to probe the input. which is set through the reference_stream option.
Do not fill in missing values in packet fields that can be exactly calculated. appear exactly as is (no extra space or byte-order-mark) on the very first
Default is 0 (disabled).
Use persistent HTTP connections. The formats and codecs supported by your build of ffmpeg can vary due the version, how it was compiled, and if any external libraries, such as libx264, were supported during compilation. Unlike that muxer, it is 0x0001.
This also enables writing This allows to compensate for different speed/latency/reliability of dropping packets in case fifo queue fills up. Print metadata on video stream.
Enable (1) or disable (0) chunk streaming mode of output.
index space is guessed. with map: Write a "clean" MP3 without any extra features: This muxer implements ISO 13818-1 and part of ETSI EN 300 468. it is not properly finished), and it requires less memory when writing file is not available or accurate. You may use multiple stream specifiers separated by commas (,) e.g. If the duration is set for all files, then it is possible to seek in the parameters. See fifo. Set the index interval range to check when looking for the first image attribute of the MPD element.
hls_list_size to 0; the playlist must not change. If 0 the list file will contain all the segments. streaming where seeking is possible but slow it is useful to put the If a BMP image is used, it must be one of the following pixel formats: If a BMP image is used, it must use the BITMAPINFOHEADER DIB header, If a PNG image is used, it must use the rgba pixel format, An ID3v2 metadata header at the beginning (enabled by default).
The default used for start/end values. be a video only stream with video bitrate 1000k, the second variant stream will should be used only via the ffmpeg tool. produce sequentially numbered series of files. same amount. This muxer supports the following options: Set the initial target segment length. is randomly generated.
disposition default exists, no subtitle track will be marked as default. Range is 0 (quiet) to 100 (loud). lavf.concat.duration packet metadata values which are the start_time and
matching streams in the subfiles. for encryption.
escaped. Set error detection flags. The value is an integer with value from -1
All glob special characters %*?
Sets maximum number of successive unsuccessful recovery attempts after which Round the duration info in the playlist file segment info to integer produce the playlist, out.m3u8, and segment files: is 1 second. INI-like text file and then load it back using the metadata muxer/demuxer.
This example will create a directory 201560215 (if it does not exist), and then specified split time. based on the concat file. You can use the format filter, or the legacy -pix_fmt option, to set the pixel format. reduces the need for edit lists for some cases such as video tracks with Number of tracks will be marked as default (if existing). Set the input video pixel format. on a per-stream basis. Set the maximum number of segments kept outside of the manifest before removing from disk. Specify a list of split video frame numbers. descriptor is useful to the scheme defined by ISO/IEC 23009-1:2014/Amd.2:2015. The entry filenames in the segment attribute of the SegmentTemplate element in the manifest. If set to 1, the filename will always be interpreted as just a format. The segment number is also available in this mode, but to use it, you need to specify second_level_segment_index and manifest files according to the MPEG-DASH standard ISO/IEC 23009-1:2014. This example creates HLS master playlist with name master.m3u8 and it is but with key XMP_. Set the starting sequence numbers according to start_number option value. Share Improve this answer The master playlist is generated with the filename hls_master_name. URL of the page that will return the UTC timestamp in ISO format. mode, each frame will be a moof fragment which forms a chunk. each file packet. default) or ignore. metadata entries. Some are implemented for a limited number of formats. about these packets are stored together. minimumUpdatePeriod attribute of the MPD element. Definition at line 66 of file imgconvert.c. For example, -adaptation_sets "id=0,seg_duration=2,frag_type=none,streams=0 id=1,seg_duration=10,frag_type=none,trick_id=0,streams=1". expected by the segmenter, or the segment muxer will start the new Similarly to the omit_tfhd_offset, this flag avoids writing the Default is 0x0001. option. Set minimum PES packet payload in bytes. Publish master playlist repeatedly every after specified number of segment intervals.
Implies single_file set to "1". If the space reserved is insufficient, muxing will fail.
When this option is omitted or set to zero the necessary of the frame is greater or equal to the next value in the list. Set the sampling rate of the exported track.
Set the program service_type. Smooth Streaming content can be pushed in real time to a publishing parameters.
"," separated list of allowed demuxers. Adds #EXT-X-PREFETCH tag with current segments URI. compute the CRC of the input audio converted to PCM unsigned 8-bit It can be used, for example, to stream a video over a network and save it to disk at the same time.
The default is 1. Parameters Returns The best pixel format to convert to or -1 if none was found. mxf and mxf_opatom but not for mxf_d10. auto-select this format. filter to H.264 streams in MP4 format. Enabling this poses a security risk. (default). multipart/x-mixed-replace stream. init_context_defaults ()
subdirectories. ignore will ignore failure on this output, so other outputs WebCategory:FFmpeg Pixel Formats List of all pixel formats used by ffmpeg. Example: The MP3 muxer writes a raw MP3 stream with the following optional features: The muxer supports writing attached pictures (APIC frames) to the ID3v2 header. (written at the end of the file, it can be moved to the start for specifies the path to the key file used to obtain the key during the encryption
If set to 1, slave outputs will be processed in separate threads using the fifo This option tries to comply with the above open spec.
In particular may be used in combination with the ffmpeg option ogg files can be safely chained. as wallclock time and pts to specify timesource as input packets PTS
Unit is the track time scale. Select a mixed glob wildcard/sequence pattern. Default is 1.
compute the CRC of each decoded input audio frame converted to PCM if export_all is set and this option isnt, the contents of XMP_ box are still exported
to demuxing linearly from the beginning. Specify a list of split points. When strftime_mkdir is set, the whole expanded value of filename will be written into the m3u8 segment list. Set maximum size, in bytes, of packet emitted by the demuxer. variant streams by providing the same ccgroup name in the Additionally, the way the output file is written can be adjusted "foo-", followed by a sequence of three characters, and terminating containing the : special character must be escaped. Do not append the EXT-X-ENDLIST tag at the end of the playlist. With this option set, there is no initial 0 removes buffer size limit (not recommended). This muxer does not generate any output file, it is mainly useful for For example, when converting from RGB24 to GRAY, the color information will be lost. contain the string "%v", this string specifies the position of variant stream reference stream. Syntax is "id=x,streams=a,b,c id=y,streams=d,e" with x and y being the IDs All headers, but the PNG signature, up to (but not including) the first
Raw muxers accept a single stream matching the designated codec. language is an optional Disable duration and filesize in metadata when they are equal to zero
CRC of the packet. streamindex is the index of the mapped stream, streamtype is a The pixel formats from which it chooses one, are determined by the pix_fmt_list parameter. Default is 2500 packets. to APIC description and picture type respectively.
stream within the file header. See https://bitbucket.org/mpyne/game-music-emu/overview for more information. Default is 1.
causing the failure. guaranteed to be available. consecutive. in the file out.crc: To print the information to stdout, use the command: With ffmpeg, you can select the output format to which the Set the pixel format of the images to read. The output of the muxer consists of a line for each audio and video Default is 0. e.g. not discarded. Supported values include MD5, murmur3, RIPEMD128, and they are mapped to the two video only variant streams with audio group names Formats (muxers and demuxers): List all formats: ffmpeg -formats Display options specific to, and information about, a particular muxer: ffmpeg -h Consider things that violate the spec and have not been seen in the It is possible to specify to which streams a given bitstream filter format is guessed from the first image file in the sequence.
INSTREAM-ID CC1. the recovery will be attempted after at least recovery_wait_time The time value specified in segment_time is pair for each track, making it easier to separate tracks. cast to int32 are used to adjust onward dts. You can disable all the muxers with the configure option 2016/02/15/file-20160215-1455569023.ts, 2016/02/15/file-20160215-1455569024.ts, etc. Bitstream shall be converted to Annex B syntax if its in length-prefixed mode.
Default 5.
http://tools.ietf.org/id/draft-pantos-http-live-streaming. Must be an integer not lesser than 32. vs0/file_000.ts, vs0/file_001.ts, vs0/file_002.ts, etc. ffmpeg -i input.avi -r 24 output.avi To force the frame rate of the input file (valid for raw formats only) to 1 fps and the frame rate of the output file to 24 fps: ffmpeg -r 1 -i input.m2v -r 24 output.avi The format option may be
(15s). Do not try to resynchronize by looking for a certain optional start code. there are resolution changes. The Default value is 2. duration must be a time duration specification,
This includes GoPro HiLight tags/moments.
contains a bookmarklet to expose them. The tee muxer is not useful when using the libavformat API sub-directories are created after expanding the directory name pattern. Set flags affecting the segment list generation. Set the mpd update period ,for dynamic content.
Set custom HTTP headers, can override built in default headers. RFC4180) is applied if required. the size of the data to analyze to get Whether the signals are full range or restricted range. The specified metadata will be set for Consider things that a sane encoder should not do as an error. MAINTAINERS in the source code tree. For example, -adaptation_sets "id=0,seg_duration=2,frag_duration=1,frag_type=duration,streams=v id=1,seg_duration=2,frag_type=none,streams=a" Assign streams to AdaptationSets.
selectable if libavformat was compiled with globbing support.
pattern_type accepts one of the following values. be an audio only stream with bitrate 64k and the third variant stream will be a Filename of the header where the initialization data will be written.
digits representing the number. This can be either all, auto, or the index of the Makes it possible to use segment sizes (counted in bytes) as %%s in hls_segment_filename Enable Low-latency HLS(LHLS). This ensures that the default flag within the specified duration after the segmenting clock time. encoding can be blocked during temporary failure, or continue transparently
then looping will occur and will cycle the number of times according to key=value pairs separated by :, between square brackets. Default value is "0".
Default is 0x1000, minimum is 0x0020,
FFmpeg Formats Documentation Table of Contents 1 Description 2 Format Options 2.1 Format stream specifiers 3 Demuxers 3.1 aa 3.2 aac 3.3 apng 3.4 asf 3.5 concat 3.5.1 Syntax 3.5.2 Options 3.5.3 Examples 3.6 dash 3.6.1 Options 3.7 ea 3.7.1 Options 3.8 imf 3.9 flv, live_flv, kux 3.10 gif 3.11 hls 3.12 image2 3.12.1 Examples 3.13 libgme Version 3 enables silence detection. Override the default PCR retransmission time in milliseconds. Default value is 0. By default audio frames are converted to signed 16-bit raw audio and prefer to use #EXT-X-START if its in playlist instead of live_start_index. It should only be enabled if the source GIF files can contain information to loop a certain number of times (or Accepts DNxHR streams. The default is thus to write them for
Set the channel layout.
rate even in case of temporary failure (network outage) and attempt to recover
This flag also affects how m3u8 playlist files are created. containing the file, but only in one of them. Generate an extended M3U8 file, version 3, compliant with
When converting from one pixel format to another, information loss may occur. SHA384, SHA512, CRC32 and adler32. It is standardized as SMPTE VC-3. Set the maximum valid delay between frames in hundredth of seconds. the segment_time option. values, instead of using floating point.
Threshold for detecting silence. is that it is less compatible with other applications.
very long files (since writing normal MOV/MP4 files stores info about
Stream parameters. The formats and codecs supported by your build of ffmpeg can vary due the version, how it was compiled, and if any external libraries, such as libx264, were supported during compilation. Set the index of which track to demux. In either case, the timestamp from the mfra box will be used if its available and use_mfra_for is Some encoders may need different options depending on the output format; Set amount of reverb.
If both ignore_editlist and this option are set to false, then only the Select the pattern type used to interpret the provided filename. Silence detection must be disabled for use with the AcoustID service. SHA224, SHA256 (default), SHA512/224, SHA512/256, This muxer computes and prints a cryptographic hash of all the input is set in a sensible way even if the input originated from containers that Range is from -1 to 32767, where -1 disables Duration of each chunk in milliseconds.
Allow segments to start on frames other than keyframes. Use -formats to view a combined list of which streams to actually receive. Force the delay (expressed in centiseconds) after the last frame. Enable to write APE tags at the end of the stream. times contains a list of comma Defaults to 0. and video packet. Enable to write ID3v2.4 tags at the start of the stream. In Ignore IO errors during open and write. as MPEG-TS over UDP: As above, but continue streaming even if output to local file fails Options for a bitstream filter must be specified in the form of opt=value. Similarly, other losses occur when converting from some formats to other formats. The key frame times specified by attributes.
(see (ffmpeg-filters)the "amerge" section in the ffmpeg-filters manual). 3200, minimum is 100, maximum is 64k. latency.
If they are not set the default for Dolby Digital, also known as AC-3, audio.
Enable (1) or disable (0) the AES128 encryption. Definition at line 66 of file imgconvert.c. Force or disable writing bitrate box inside stsd box of a track. value is 0. one of the specified conditions is fulfilled. determine the format of the image files to write. Set the start time of the TED talk, in milliseconds. Range is 0 to 100 MiB. demuxes them one after the other, as if all their packets had been muxed The box contains decoding buffer size (in bytes), maximum bitrate and According to ffmpeg -h encoder=libx264 this encoder supports the following pixel formats: yuv420p yuvj420p yuv422p yuvj422p yuv444p yuvj444p nv12 nv16 nv21. Default is 0. syntax. Applicable only for HTTP output. By default no prefix is applied. a timecode in the first video stream.
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