Add parser for X-I-FRAME-STREAM-INF HLS tag [chromium/src : main]

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Ted (Chromium) Meyer (Gerrit)

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Jul 7, 2025, 6:29:16 PM7/7/25
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Eugene Zemtsov (Gerrit)

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File media/formats/hls/tags.h
Line 710, Patchset 2 (Latest): std::optional<std::vector<std::string>> codecs;
Eugene Zemtsov . unresolved

is there any meaningful difference here between absence of value and an empty list?

File media/formats/hls/tags_unittest.cc
Line 381, Patchset 2 (Latest): "SCORE=9.5,CODECS=\"avc1.64001f\"",
Eugene Zemtsov . unresolved

a test with more than one codec?

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    Ted (Chromium) Meyer (Gerrit)

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    Jul 8, 2025, 2:09:48 PM7/8/25
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    Ted (Chromium) Meyer added 2 comments

    File media/formats/hls/tags.h
    Line 710, Patchset 2 (Latest): std::optional<std::vector<std::string>> codecs;
    Eugene Zemtsov . resolved

    is there any meaningful difference here between absence of value and an empty list?

    Ted (Chromium) Meyer

    I can update the previous comment to be more clear, but basically, nullopt implies that the CODECS property is not present, while an empty vector means it's been declared empty: CODECS="".

    I don't think we'd ever actually see that happen, but the spec allows it.

    File media/formats/hls/tags_unittest.cc
    Line 381, Patchset 2 (Latest): "SCORE=9.5,CODECS=\"avc1.64001f\"",
    Eugene Zemtsov . resolved

    a test with more than one codec?

    Ted (Chromium) Meyer

    Done

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    Eugene Zemtsov (Gerrit)

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    Jul 8, 2025, 2:11:22 PM7/8/25
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      Chromium LUCI CQ (Gerrit)

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      Jul 8, 2025, 3:52:15 PM7/8/25
      to Ted (Chromium) Meyer, Eugene Zemtsov, chromium...@chromium.org, feature-me...@chromium.org

      Chromium LUCI CQ submitted the change with unreviewed changes

      Unreviewed changes

      3 is the latest approved patch-set.
      The change was submitted with unreviewed changes in the following files:

      ```
      The name of the file: media/formats/hls/tags.h
      Insertions: 1, Deletions: 1.

      The diff is too large to show. Please review the diff.
      ```

      Change information

      Commit message:
      Add parser for X-I-FRAME-STREAM-INF HLS tag

      This is part of a series of changes to finish adding all the tags that
      are specified in the HLS spec. They'll be added to the manifest parsers
      in follow up CLs.
      Fixed: 314834376
      Change-Id: Id03836420def9a74de91711bc84e5f07097c6339
      Reviewed-by: Eugene Zemtsov <eug...@chromium.org>
      Commit-Queue: Ted (Chromium) Meyer <tmath...@chromium.org>
      Cr-Commit-Position: refs/heads/main@{#1483940}
      Files:
      • M media/formats/hls/tags.cc
      • M media/formats/hls/tags.h
      • M media/formats/hls/tags_unittest.cc
      • M media/formats/hls/types.cc
      • M media/formats/hls/types.h
      Change size: L
      Delta: 5 files changed, 287 insertions(+), 22 deletions(-)
      Branch: refs/heads/main
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      Gerrit-MessageType: merged
      Gerrit-Project: chromium/src
      Gerrit-Branch: main
      Gerrit-Change-Id: Id03836420def9a74de91711bc84e5f07097c6339
      Gerrit-Change-Number: 6696076
      Gerrit-PatchSet: 6
      Gerrit-Owner: Ted (Chromium) Meyer <tmath...@chromium.org>
      Gerrit-Reviewer: Chromium LUCI CQ <chromiu...@luci-project-accounts.iam.gserviceaccount.com>
      Gerrit-Reviewer: Eugene Zemtsov <eug...@chromium.org>
      Gerrit-Reviewer: Ted (Chromium) Meyer <tmath...@chromium.org>
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