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fix: dash_roles add role=description for DVS audio per DASH-IF-IOP-v4.3 (#1054) 

Fixes support for description role for audio DVS tracks as per spec.
This commit is contained in:
Vishal Shah 2022-06-02 10:40:34 -06:00 committed by GitHub
parent b9d477b969
commit dc0395291a
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7 changed files with 13 additions and 8 deletions
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4
docs/source/options/dash_stream_descriptors.rst
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@ -12,5 +12,5 @@ DASH specific stream descriptor fields
Optional semicolon separated list of values for DASH Role element. The Optional semicolon separated list of values for DASH Role element. The
value should be one of: **caption**, **subtitle**, **main**, **alternate**, value should be one of: **caption**, **subtitle**, **main**, **alternate**,
**supplementary**, **commentary** and **dub**. See DASH (ISO/IEC 23009-1) **supplementary**, **commentary**, **description** and **dub**. See
specification for details. DASH (ISO/IEC 23009-1) specification for details.

4
packager/app/packager_main.cc
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@ -114,8 +114,8 @@ const char kUsage[] =
" in the format: scheme_id_uri=value.\n" " in the format: scheme_id_uri=value.\n"
" - dash_roles (roles): Optional semicolon separated list of values for\n" " - dash_roles (roles): Optional semicolon separated list of values for\n"
" DASH Role elements. The value should be one of: caption, subtitle,\n" " DASH Role elements. The value should be one of: caption, subtitle,\n"
" main, alternate, supplementary, commentary and dub. See DASH\n" " main, alternate, supplementary, commentary, description and dub. See\n"
" (ISO/IEC 23009-1) specification for details.\n"; " DASH (ISO/IEC 23009-1) specification for details.\n";
// Labels for parameters in RawKey key info. // Labels for parameters in RawKey key info.
const char kDrmLabelLabel[] = "label"; const char kDrmLabelLabel[] = "label";

2
packager/app/test/packager_test.py
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@ -709,7 +709,7 @@ class PackagerFunctionalTest(PackagerAppTest):
self._GetStream( self._GetStream(
'audio', 'audio',
dash_accessibilities='urn:tva:metadata:cs:AudioPurposeCS:2007=1', dash_accessibilities='urn:tva:metadata:cs:AudioPurposeCS:2007=1',
dash_roles='alternate'), dash_roles='description'),
self._GetStream('video'), self._GetStream('video'),
] ]

2
packager/app/test/testdata/audio-video-with-accessibilities-and-roles/output.mpd vendored
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@ -12,7 +12,7 @@
</AdaptationSet> </AdaptationSet>
<AdaptationSet id="1" contentType="audio" subsegmentAlignment="true"> <AdaptationSet id="1" contentType="audio" subsegmentAlignment="true">
<Accessibility schemeIdUri="urn:tva:metadata:cs:AudioPurposeCS:2007" value="1"/> <Accessibility schemeIdUri="urn:tva:metadata:cs:AudioPurposeCS:2007" value="1"/>
<Role schemeIdUri="urn:mpeg:dash:role:2011" value="alternate"/> <Role schemeIdUri="urn:mpeg:dash:role:2011" value="description"/>
<Representation id="1" bandwidth="133334" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100"> <Representation id="1" bandwidth="133334" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
<AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/> <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
<BaseURL>bear-640x360-audio.mp4</BaseURL> <BaseURL>bear-640x360-audio.mp4</BaseURL>

2
packager/mpd/base/adaptation_set.cc
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@ -54,6 +54,8 @@ std::string RoleToText(AdaptationSet::Role role) {
return "commentary"; return "commentary";
case AdaptationSet::kRoleDub: case AdaptationSet::kRoleDub:
return "dub"; return "dub";
case AdaptationSet::kRoleDescription:
return "description";
default: default:
return "unknown"; return "unknown";
} }

3
packager/mpd/base/adaptation_set.h
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@ -43,7 +43,8 @@ class AdaptationSet {
kRoleAlternate, kRoleAlternate,
kRoleSupplementary, kRoleSupplementary,
kRoleCommentary, kRoleCommentary,
kRoleDub kRoleDub,
kRoleDescription
}; };
virtual ~AdaptationSet(); virtual ~AdaptationSet();

2
packager/mpd/base/period.cc
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@ -57,6 +57,8 @@ AdaptationSet::Role RoleFromString(const std::string& role_str) {
return AdaptationSet::Role::kRoleCommentary; return AdaptationSet::Role::kRoleCommentary;
if (role_str == "dub") if (role_str == "dub")
return AdaptationSet::Role::kRoleDub; return AdaptationSet::Role::kRoleDub;
if (role_str == "description")
return AdaptationSet::Role::kRoleDescription;
return AdaptationSet::Role::kRoleUnknown; return AdaptationSet::Role::kRoleUnknown;
} }