Improving readability.

shaka-project · Jul 22, 2023 · 3391a02 · 3391a02
1 parent 046afbc
commit 3391a02
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Showing 3 changed files with 3 additions and 2 deletions.
diff --git a/packager/mpd/base/mpd_utils.cc b/packager/mpd/base/mpd_utils.cc
@@ -165,7 +165,7 @@ std::string GetAdaptationSetKey(const MediaInfo& media_info,
 
     if (GetBaseCodec(media_info).find("dvh") == 0) {
       key.append(":");
-      key.append(std::to_string(16));
+      key.append(std::to_string(kTransferFunctionPQ));
     } else if (media_info.video_info().has_transfer_characteristics()) {
       key.append(":");
       key.append(

diff --git a/packager/mpd/base/mpd_utils.h b/packager/mpd/base/mpd_utils.h
@@ -25,6 +25,7 @@ struct SegmentInfo;
 const char kEncryptedMp4Scheme[] = "urn:mpeg:dash:mp4protection:2011";
 const char kPsshElementName[] = "cenc:pssh";
 const char kMsproElementName[] = "mspr:pro";
+const uint32_t kTransferFunctionPQ = 16;
 
 bool HasVODOnlyFields(const MediaInfo& media_info);
 

diff --git a/packager/mpd/base/period.cc b/packager/mpd/base/period.cc
@@ -277,7 +277,7 @@ bool Period::SetNewAdaptationSetAttributes(
     // Dolby vision:
     // https://professionalsupport.dolby.com/s/article/How-to-signal-Dolby-Vision-in-MPEG-DASH
     if (new_adaptation_set->codec().find("dvh") == 0) {
-      new_adaptation_set->set_transfer_characteristics(16);
+      new_adaptation_set->set_transfer_characteristics(kTransferFunctionPQ);
     } else if (media_info.video_info().has_transfer_characteristics()) {
       new_adaptation_set->set_transfer_characteristics(
           media_info.video_info().transfer_characteristics());