开放直播测试：许可与核验说明

DASH-IF 官方 UTC 时钟同步轮播 / 动态测试；不是现场摄像头或商业电视台。
仅引用官方公开的无 DRM 动态 DASH 输出；不改名伪装点播，不修改媒体。各短片会按官方设定循环。
动态清单和分片可用不等于已在所有平台完成端到端播放。

自然风光 · 轮播直播 — Croatia (2019)
署名：© Croatia (2019), credited to EBU; annotated, encoded and compressed by the Consumer Technology Association (CTA).
许可：CC BY 4.0 — https://creativecommons.org/licenses/by/4.0/
许可依据：https://github.com/Dash-Industry-Forum/livesim-content/blob/main/README.md#wave
官方播放：https://livesim2.dashif.org/livesim2/segtimeline_1/WAVE/av/combined.mpd
官方素材循环长度：8 秒。官方 AVC + AAC 测试版本。
原始 MPD 署名：
<ns0:ProgramInformation xmlns:ns0="urn:mpeg:dash:schema:mpd:2011">
    <ns0:Title>croatia, 1920x1080, 25.0fps, cfhd, Test Vector 3 + AAC-LC</ns0:Title>
    <ns0:Source>croatia_L1_1920x1080@25_30 version 3 (2022-04-20)</ns0:Source>
    <ns0:Copyright>© Croatia (2019), credited to EBU, used and licensed under Creative Commons Attribution 4.0 International (CC BY 4.0) (https://creativecommons.org/licenses/by/4.0/) by the Consumer Technology Association (CTA)® / annotated, encoded and compressed from original.</ns0:Copyright>
  </ns0:ProgramInformation>
  

开放电影 · 轮播直播 — Tears of Steel (2012)
署名：© Tears of Steel (2012), Blender Institute, credited to Ton Roosendaal and Ian Hubert; annotated, encoded and compressed by the Consumer Technology Association (CTA).
许可：CC BY 3.0 — https://creativecommons.org/licenses/by/3.0/
许可依据：https://mango.blender.org/about/
官方播放：https://livesim2.dashif.org/livesim2/segtimeline_1/WAVE/vectors/cfhd_sets/14.985_29.97_59.94/t1/2022-10-17/stream.mpd
官方素材循环长度：28.028 秒。该官方测试版本只有 AVC 视频，没有音轨。
原始 MPD 署名：
<ns0:ProgramInformation xmlns:ns0="urn:mpeg:dash:schema:mpd:2011">
    <ns0:Source>tos_L1_1920x1080@29.97_30 version 3 (2022-04-20) - shortened to 14 segments</ns0:Source>
    <ns0:Copyright>© Tears of Steel (https://mango.blender.org/about/) (2012) by Blender Institute, credited to Ton Roosendaal and Ian Hubert, used and licensed under Creative Commons Attribution 3.0 Unported (CC BY 3.0) (https://creativecommons.org/licenses/by/3.0/) by the Consumer Technology Association (CTA)® / annotated, encoded and compressed from original.</ns0:Copyright>
  </ns0:ProgramInformation>
  

实时测试图 · 动态直播 — DASH-IF testpic_2s
署名：DASH-IF livesim-content contributors. Test image and audio from the official test-content repository.
许可：Apache-2.0 — https://www.apache.org/licenses/LICENSE-2.0
许可依据：https://raw.githubusercontent.com/Dash-Industry-Forum/livesim-content/main/LICENSE
官方播放：https://livesim2.dashif.org/livesim2/segtimeline_1/testpic_2s/Manifest.mpd
官方素材循环长度：3600 秒。官方 AVC + AAC 技术测试图。
原始 MPD 署名：
<ns0:ProgramInformation xmlns:ns0="urn:mpeg:dash:schema:mpd:2011" moreInformationURL="https://github.com/dash-Industry-Forum/livesim-content">
    <ns0:Title>Basic MPD with 640x480@30 video at 300kbp and 48kbps audio</ns0:Title>
    <ns0:Source>VoD source for DASH-IF livesim2</ns0:Source>
  </ns0:ProgramInformation>
  

测试图 Apache-2.0 许可全文见同目录 OpenLiveSamples-Apache-2.0.txt。
其余两部作品的 CC BY 许可独立适用，不能套用测试图仓库的 Apache-2.0。
DASH-IF / EBU / CTA / Blender 的名称用于说明来源，不表示为 Reelven 背书。
两轮动态时间线、轨道和 HTTP 分片核验信息见 OpenLiveSamples-Metadata.json。