diff options
author | James Almer <jamrial@gmail.com> | 2019-12-21 14:32:48 -0300 |
---|---|---|
committer | James Almer <jamrial@gmail.com> | 2020-01-15 23:34:37 -0300 |
commit | e7c04eaf50b4b50f2528ab2c69b76777a1862535 (patch) | |
tree | 820b93e61f37bf1cfd2e427b52b4e3e676f46be7 /doc/muxers.texi | |
parent | 05b3460991ee102deabc6772bb021ff229c1ccd7 (diff) |
avformat/dashenc: document the new options
Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'doc/muxers.texi')
-rw-r--r-- | doc/muxers.texi | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/doc/muxers.texi b/doc/muxers.texi index fb5c9bc4c0..5f98bc5bdc 100644 --- a/doc/muxers.texi +++ b/doc/muxers.texi @@ -236,8 +236,10 @@ This is a deprecated option to set the segment length in microseconds, use @var{ @item seg_duration @var{duration} Set the segment length in seconds (fractional value can be set). The value is treated as average segment duration when @var{use_template} is enabled and -@var{use_timeline} is disabled and as minimum segment duration for all the other -use cases. +@item frag_duration @var{duration} +Set the length in seconds of fragments within segments (fractional value can be set). +@item frag_type @var{type} +Set the type of interval for fragmentation. @item window_size @var{size} Set the maximum number of segments kept in the manifest. @item extra_window_size @var{size} @@ -278,9 +280,12 @@ To map all video (or audio) streams to an AdaptationSet, "v" (or "a") can be use When no assignment is defined, this defaults to an AdaptationSet for each stream. -Optional syntax is "id=x,descriptor=descriptor_string,streams=a,b,c id=y,streams=d,e" and so on, descriptor is useful to the scheme defined by ISO/IEC 23009-1:2014/Amd.2:2015. +Optional syntax is "id=x,seg_duration=x,frag_duration=x,frag_type=type,descriptor=descriptor_string,streams=a,b,c id=y,seg_duration=y,frag_type=type,streams=d,e" and so on, +descriptor is useful to the scheme defined by ISO/IEC 23009-1:2014/Amd.2:2015. For example, -adaptation_sets "id=0,descriptor=<SupplementalProperty schemeIdUri=\"urn:mpeg:dash:srd:2014\" value=\"0,0,0,1,1,2,2\"/>,streams=v". Please note that descriptor string should be a self-closing xml tag. +seg_duration, frag_duration and frag_type override the global option values for each adaptation set. +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" @item timeout @var{timeout} Set timeout for socket I/O operations. Applicable only for HTTP output. @item index_correction @var{index_correction} @@ -326,9 +331,26 @@ This option will also try to comply with the above open spec, till Apple's spec Applicable only when @var{streaming} and @var{hls_playlist} options are enabled. This is an experimental feature. +@item ldash @var{ldash} +Enable Low-latency Dash by constraining the presence and values of some elements. + @item master_m3u8_publish_rate @var{master_m3u8_publish_rate} Publish master playlist repeatedly every after specified number of segment intervals. +@item -write_prft @var{write_prft} +Write Producer Reference Time elements on supported streams. This also enables writing +prft boxes in the underlying muxer. Applicable only when the @var{utc_url} option is enabled. + +@item -mpd_profile @var{mpd_profile} +Set one or more manifest profiles. + +@item -http_opts @var{http_opts} +List of options to pass to the underlying HTTP protocol. Applicable only for HTTP output. + +@item -target_latency @var{target_latency} +Set an intended target latency in seconds (fractional value can be set) for serving. Applicable only when @var{streaming} and @var{write_prft} options are enabled. +This is an informative fields clients can use to measure the latency of the service. + @end table @anchor{framecrc} |