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10 Commits

Author SHA1 Message Date
KongQun Yang 668335c647 Generate a more accurate time in Period@duration 
Chrome internally uses time accurate to microseconds, which is
implemented per MSE spec (https://www.w3.org/TR/media-source/).

Generate Period@duration with better precision to avoid possible
buffered range gaps in Chrome (possibly other browsers too), which
may lead to other problems like playback stall.

b/74238961
Fixes #368.

Change-Id: I357a0f62b67f75c7ca044bb99ea4e3c8bbb6fecd
 2018-04-20 13:39:40 -07:00
Kongqun Yang d007ddf20b [MP4] Make outputs CMAF compatible 
- Added flag --mp4_include_pssh_in_stream, default to true. If it is
  set to false, the encrypted mp4 stream will not include pssh.
- Align BytesOfProtectedData to multiple of 16 bytes for cenc.
- Set TrackHeader flag to kTrackEnabled | kTrackInMovie |
                          kTrackInPreview
- Move mvex to after trak, required by HLS
- Add cmfc/cmfs compatible brands except for avc3/hev1, where CMAF
  requires single initialization switching set which is not supported.
- Set duration to 0 in tkhd, mdhd, mvhd.

Also updated major_brand and compatible brands:
- Set major_brand to isom (iso-bmff media file format) and made dash
  a compatible brand
- Replaced compatible brand iso6 with iso8 since we use sthd for text
  tracks

Fixes b/36278260

Change-Id: I3cc5dd5aa1621714d517fe02fe3841d19a1a07f6
 2017-03-30 15:33:39 -07:00
Kongqun Yang 5aaae303e8 Part one of supporting live profile with static mpd 
- Added two new fields in MpdOptions: dash_profile and mpd_type
- Updated MpdBuilder to support LiveProfile with static mpd
- Command line arguments will be updated in the next CL

Issue #142

Change-Id: Ibd35e5c9e1b1ef98043392e3f04a0af4700135c1
 2017-01-13 19:59:49 +00:00
Kongqun Yang f5dc908a0d Implement utility function DoubleToString 
Implement our own DoubleToString as base::DoubleToString uses
third_party library dmg_fp.

Change-Id: I0d3d706cfd3de4f833b201110954419e585a21dd
 2016-09-30 21:36:11 +00:00
Kongqun Yang 72c3a76699 Update repo url in version string 
Issue #103

Change-Id: Iec7db3d155c81cf989f1078ed32692f8e037aa65
 2016-05-24 21:55:45 +00:00
Rintaro Kuroiwa 5ad076d92c Fix schematron validation problem for live 
- From DASH spec 2014, MPD@publishTime and Period@id are required for
  'dynamic' MPD.
- Period@id is always set to "0".
- MPD@publishTime is set to the time when the MPD is output.

Issue #55

Change-Id: I5e50aa11067176e69a2343fbc82ca42129703e1b
 2016-01-14 16:53:25 -08:00
Rintaro Kuroiwa 2909a53568 Remove redundant attributes from Representation 
- @width, @height, @frameRate for Representation element will not be
  set if the attributes are set at AdaptationSet level.

Issue #55

Change-Id: Ib4e669142874f9e8f0ca773df9f87a3fef01b729
 2016-01-08 16:42:10 -08:00
KongQun Yang e0040a4910 Add version information in generated outputs 
For mp4 outputs, a metadata box with version information is added to
moov box.

For mpd outputs, a text comment with version information is added in
the beginning of mpd file.

Issue #60

Change-Id: I783ba370781c0a8f77c910ff1172bad2e7edff75
 2016-01-08 19:08:56 +00:00
Rintaro Kuroiwa a9b039c3f9 Fix MPD validation problems 
- Replaced urn:mpeg:DASH:schema:MPD:2011 with
  urn:mpeg:dash:schema:mpd:2011. The former is from the old spec.
- Replaced the MPD schema with the latest one.
- Fixed subSegmentAlignment typo with subsegmentAlignment.

Issue #55

Change-Id: Icffa9872ffc462627b81900a48f59e7b76687c11
 2016-01-05 13:50:32 -08:00
KongQun Yang 93e6c4fc92 Reduce test file sizes and remove unused test files 
Change-Id: I7e3b24e92b2a16de857e0424c85232cc31444182
 2015-10-12 20:16:03 +00:00