diff --git a/.gitattributes b/.gitattributes
index 35b817f6f..229901ecf 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -3,5 +3,8 @@
test/browser/media/hls/*.m3u8 text eol=lf
test/browser/fixtures/hls-grouped.m3u8 text eol=lf
test/browser/media/hls/*.mpegts binary
+# Preserve generated XML whitespace and its frozen playback-input hashes.
+test/browser/media/dash/*.mpd text eol=lf whitespace=-blank-at-eol
+test/browser/media/dash/*.m4s binary
test/browser/media/*.m4a binary
refactor/baselines/core-vendor/*.txt text eol=lf
diff --git a/packages/artplayer-plugin-dash-control/ARCHITECTURE.md b/packages/artplayer-plugin-dash-control/ARCHITECTURE.md
index 190408dac..d2a37291b 100644
--- a/packages/artplayer-plugin-dash-control/ARCHITECTURE.md
+++ b/packages/artplayer-plugin-dash-control/ARCHITECTURE.md
@@ -114,10 +114,17 @@ tarballs offline outside the workspace, repeats a frozen install and checks all
public type modes without resolving any workspace source. It also verifies that
implementation files/config do not leak into the archive. This is type acceptance;
the full installed runtime and SDK release matrix still belongs to PKG-DASH-06/05.
-Browser tests exercise real old/new core DOM, menu clicks, native MP4 and cleanup,
+`dash-control.spec.js` tests exercise real old/new core DOM, menu clicks, native MP4 and cleanup,
with controlled SDK methods. They do not load dash.js or test MPD/ABR decoding.
PKG-DASH-05 must verify pinned dash.js 4.5.2 and 5.2.1 with real adaptive media and
review SDK-driven refresh/source events and the existing demo lifecycle. Physical
devices and installed package acceptance remain separate release gates.
+`dash-sdk.spec.js` now separately loads hash-pinned npm dash.js 4.5.2/5.2.1 and local
+multi-quality/multi-audio DASH segments. It covers decoding, explicit update after
+external selection, source topology replacement, retained callbacks and SDK ownership.
+It also includes a native SDK control without an ArtPlayer instance. Early SDK 4.5.2
+paused-seek stalls remain open; later passes do not resolve them. Unsupported MSE is
+recorded as a playback capability gap, not acceptance. This plugin currently refreshes
+on ready/restart/explicit update, not automatically on external SDK events.
See [refactor validation](../../refactor/dash-validation.md) for baseline failures
and [task plan](../../refactor/plan.md) for remaining type and release work.
diff --git a/refactor/baselines/dash-sdk-checkpoint.json b/refactor/baselines/dash-sdk-checkpoint.json
new file mode 100644
index 000000000..b446980a4
--- /dev/null
+++ b/refactor/baselines/dash-sdk-checkpoint.json
@@ -0,0 +1,1290 @@
+{
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+ "task": "PKG-DASH-05",
+ "status": "doing",
+ "sourceCommit": "6840544e",
+ "date": "2026-09-12",
+ "command": "yarn test:browser test/browser/dash-sdk.spec.js --trace on",
+ "runs": [
+ {
+ "name": "first",
+ "directory": "refactor/.cache/dash05-first",
+ "stats": {
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+ "unexpected": 8,
+ "flaky": 0
+ },
+ "artifact": "source compiled by test helper",
+ "failures": [
+ {
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+ "engine": "chromium"
+ },
+ {
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+ "engine": "chromium"
+ },
+ {
+ "title": "candidate core / published DASH / 4.5.2: real MPD decoding and UI selection",
+ "engine": "chromium"
+ },
+ {
+ "title": "dash.js 4.5.2: actual SDK reports MSE capabilities and version",
+ "engine": "firefox"
+ },
+ {
+ "title": "dash.js 5.2.1: actual SDK reports MSE capabilities and version",
+ "engine": "firefox"
+ },
+ {
+ "title": "published core / candidate DASH / 4.5.2: real MPD decoding and UI selection",
+ "engine": "firefox"
+ },
+ {
+ "title": "dash.js 4.5.2: actual SDK reports MSE capabilities and version",
+ "engine": "webkit"
+ },
+ {
+ "title": "dash.js 5.2.1: actual SDK reports MSE capabilities and version",
+ "engine": "webkit"
+ }
+ ],
+ "evidence": [
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+ "sha256": "0f9d74d664bfd85833cdf6cfe0007ce6f578b1ae508c807cf86762883a5d2f7d",
+ "bytes": 266028
+ },
+ {
+ "file": "refactor/.cache/dash05-main/results/dash-sdk-published-core-DA-8fe62-placement-and-owned-cleanup-chromium/trace.zip",
+ "sha256": "b796e303bf665947b05b4f0f7ec0ecc597f5b24de5bc12b2328fe938eb4c2275",
+ "bytes": 1439379
+ },
+ {
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+ },
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+ "bytes": 251797
+ },
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+ "bytes": 2945252
+ },
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+ "bytes": 3098106
+ },
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+ "sha256": "e9409eb5d8d744c6553f73d40a507bf500d58499812e83c501ce4da69319afaf",
+ "bytes": 266251
+ },
+ {
+ "file": "refactor/.cache/dash05-main/results/dash-sdk-published-core-DA-c4cfe-ects-external-SDK-selection-chromium/trace.zip",
+ "sha256": "9b5a54a778645ad3b3e1f9983e5f91cf7092037742be2a3752695a48c9d36086",
+ "bytes": 1819285
+ },
+ {
+ "file": "refactor/.cache/dash05-main/results/dash-sdk-published-core-DA-c4cfe-ects-external-SDK-selection-firefox/trace.zip",
+ "sha256": "cca0a2686f0aac00e70ace9b4a6148c25f701d5d3d8b17967328b7603fe243e3",
+ "bytes": 1888534
+ },
+ {
+ "file": "refactor/.cache/dash05-main/results/dash-sdk-published-core-DA-c4cfe-ects-external-SDK-selection-webkit/trace.zip",
+ "sha256": "2fa1173b45778de979ef20b1036d7a81788acc3012f11b7ff2a1c5def5c3a4b5",
+ "bytes": 251788
+ },
+ {
+ "file": "refactor/.cache/dash05-main/results/dash-sdk-published-core-pu-c466c-D-decoding-and-UI-selection-chromium/error-context.md",
+ "sha256": "4d1aed77f8bede30d1a99e279884c170c32fca1ef8d0da60a8d360db6825d2e7",
+ "bytes": 2810
+ },
+ {
+ "file": "refactor/.cache/dash05-main/results/dash-sdk-published-core-pu-c466c-D-decoding-and-UI-selection-chromium/test-failed-1.png",
+ "sha256": "1de9df3492034276035b6b78bf78915ef3959c9bd173a692606b975a2dca589b",
+ "bytes": 80235
+ },
+ {
+ "file": "refactor/.cache/dash05-main/results/dash-sdk-published-core-pu-c466c-D-decoding-and-UI-selection-chromium/trace.zip",
+ "sha256": "92a2258177a1a2a3fbceeec035352771de340e487f9b8898bb05439c929ac99f",
+ "bytes": 7685020
+ },
+ {
+ "file": "refactor/.cache/dash05-main/results/dash-sdk-published-core-pu-c466c-D-decoding-and-UI-selection-firefox/trace.zip",
+ "sha256": "a7d6293f9437c42683e6f3f991b55d7495e820d24c7daa91ea33ffcfb1aa8d71",
+ "bytes": 3304657
+ },
+ {
+ "file": "refactor/.cache/dash05-main/results/dash-sdk-published-core-pu-c466c-D-decoding-and-UI-selection-webkit/trace.zip",
+ "sha256": "aff116e32737b78f7a6e04c5b41b9780cf9ba82c381d313e14ddaa26d64a77ad",
+ "bytes": 251780
+ }
+ ]
+ }
+ ],
+ "inputs": [
+ {
+ "file": ".gitattributes",
+ "algorithm": "sha256-lf",
+ "sha256": "f75e6a6d6bf3b500d3665a9957fbe62412750f9e96c3bc7689b9de2d79d14aee"
+ },
+ {
+ "file": "test/browser/dash-sdk.spec.js",
+ "algorithm": "sha256-lf",
+ "sha256": "eeb0750d490bf41c931291d3889477d09aa687856660c1efa76373e332ba10aa"
+ },
+ {
+ "file": "scripts/generate-dash-fixture.mjs",
+ "algorithm": "sha256-lf",
+ "sha256": "2ebd7d4c44dee528778e0d95452d408804becd4e5092a23fac8ce63d0c1452ce"
+ },
+ {
+ "file": "refactor/scripts/dash-sdk.test.mjs",
+ "algorithm": "sha256-lf",
+ "sha256": "2fdb9e7c4a8dbc4f2119629631b9b2ee7f73ddf26dbe70879229a9dd441a308a"
+ },
+ {
+ "file": "refactor/baselines/dash-sdk.json",
+ "algorithm": "sha256-lf",
+ "sha256": "215f63e5b4fd0d4eee74517e155211676309dd92c0f6dda34a6351ca10d7bb99"
+ },
+ {
+ "file": "test/browser/media/dash/manifest.json",
+ "algorithm": "sha256-lf",
+ "sha256": "72438762905eadca3c08e7e152c7895483743cb6264eba158fd7547d00dfa9b1"
+ },
+ {
+ "file": "packages/artplayer-plugin-dash-control/dist/artplayer-plugin-dash-control.js",
+ "algorithm": "sha256-lf",
+ "sha256": "9ae800d1e8b3179d5c89baa567b5990cc1e9abd1b9d1cc6ee5c67a8e74e764fd"
+ }
+ ],
+ "baselineTests": {
+ "passed": 2,
+ "command": "node --test refactor/scripts/dash-sdk.test.mjs"
+ },
+ "ci": {
+ "command": "yarn ci:check",
+ "exitCode": 0,
+ "tests": 717,
+ "unit": 661,
+ "engineering": 14,
+ "baseline": 42,
+ "strictProductionTS": 261,
+ "log": "refactor/.cache/dash05-ci-check.log",
+ "sha256": "1c66b9b3ad5730f03cd2bc60133c79e825ab303bc74a4084c537d0e3a2543e66",
+ "note": "Node/engineering/type gates only; does not turn failed browser SDK tests into passing acceptance."
+ },
+ "generatorReproduction": {
+ "directory": "refactor/.cache/dash05-generated-check",
+ "resources": 31,
+ "changedBytes": 0,
+ "sameCommand": true,
+ "note": "Same local FFmpeg build and host, not a cross-platform bitwise reproduction claim."
+ },
+ "visualReview": {
+ "file": "refactor/.cache/dash05-main/playing.png",
+ "sha256": "fc11f6238ac5e92b9238f2c59865cd973bfb55b3e3f884e3f926f30f566dea76",
+ "observation": "Candidate core/candidate main SDK 5.2.1 Chromium: visible decoded test pattern at 6s, Auto/fr selectors, no overlapping control text."
+ },
+ "limitations": [
+ "DASH-SEEK-01 remains open: paused seek to 6s stalls at buffered end 5.999999; no next video request. Teardown AbortError is subsequent, not proven cause.",
+ "Native control passes with matched approximate buffered endpoint do not resolve integrated failures or prove an ArtPlayer cause.",
+ "Windows WebKit reports no MSE; dynamic skips are capability gaps, not playback acceptance.",
+ "External SDK changes are tested with explicit synchronous plugin.update; automatic SDK event refresh has not been implemented or accepted.",
+ "Actual SDK declaration consumers, legacy SDK matrix, devices, 8082 demo and complete installed distribution remain outstanding.",
+ "Reports and all traces remain local cache; hashes are committed but cache files are not uploaded."
+ ]
+}
diff --git a/refactor/baselines/dash-sdk.json b/refactor/baselines/dash-sdk.json
new file mode 100644
index 000000000..45d5d8cb0
--- /dev/null
+++ b/refactor/baselines/dash-sdk.json
@@ -0,0 +1,41 @@
+{
+ "schemaVersion": 1,
+ "task": "PKG-DASH-05",
+ "sdks": [
+ {
+ "metadataUrl": "https://registry.npmjs.org/dashjs/4.5.2",
+ "codeMember": "package/dist/dash.all.min.js",
+ "release": {
+ "name": "dashjs",
+ "version": "4.5.2",
+ "tarball": "https://registry.npmjs.org/dashjs/-/dashjs-4.5.2.tgz",
+ "integrity": "sha512-WXPk0lPDSaHjiSVoVRh2jQPiMmB1alKUH8hV2CVmaI0vPUeT1wIY7madVE38SthfOmwS9IJViv1RrxrxdGjElg==",
+ "sha256": "9a0944c48deb0fd8f92b0eea436c5b0d0aea9237c7da0078c0310f1430d0a31f",
+ "files": {
+ "package/package.json": "62b2295c4a92ec996ff066f7e5739893c46fce44d80c940c61ced9d5710226d1",
+ "package/LICENSE.md": "f7cc4ba24850cc564766c75923d07c3d22fa27f304285f4d25ecffeaec964e28",
+ "package/index.d.ts": "13e6bd0a3c77e2db9378e355915929ed3dda5d8de9c48f446c9d3e9fb7154dbd",
+ "package/dist/dash.all.min.js": "17849c05872997095a63d74bde3fed6f79c14c6a48cdf904833d880b93a476da"
+ }
+ }
+ },
+ {
+ "metadataUrl": "https://registry.npmjs.org/dashjs/5.2.1",
+ "codeMember": "package/dist/modern/umd/dash.all.min.js",
+ "release": {
+ "name": "dashjs",
+ "version": "5.2.1",
+ "tarball": "https://registry.npmjs.org/dashjs/-/dashjs-5.2.1.tgz",
+ "integrity": "sha512-axcJmLeJCTJMLUfQRErUJB1KOiU5iHF+DMLBc3FKeox1HPYtGUQlC6Xm5Mm6vhBUR3CHHLIPOqw0JDIqMtP+Dw==",
+ "sha256": "4eacb0cc3525276666ca3f084611cdabb5a2264d128dfe0750fe106fbddd088f",
+ "files": {
+ "package/package.json": "f89fa389855d2a21b380fa69c84735da25bd93e3b9d7c39bd0d634493425fd8c",
+ "package/LICENSE.md": "f7cc4ba24850cc564766c75923d07c3d22fa27f304285f4d25ecffeaec964e28",
+ "package/index.d.ts": "03b420509a480f893bf8253232cfd28428dc0be5f254fefe99a91e65847c010e",
+ "package/dist/modern/umd/dash.all.min.js": "3a22b1f4576ab294f41e56f156cec7972a5f83edda379416778293ff22d2eb49"
+ }
+ }
+ }
+ ],
+ "note": "Pinned SDK archives are test-only. Selected member hashes and whole-archive integrity; no production dependency or blanket SDK-version support claim."
+}
diff --git a/refactor/changes/2026-09-12-PKG-DASH-05-sdk-checkpoint.md b/refactor/changes/2026-09-12-PKG-DASH-05-sdk-checkpoint.md
new file mode 100644
index 000000000..db3a4dd47
--- /dev/null
+++ b/refactor/changes/2026-09-12-PKG-DASH-05-sdk-checkpoint.md
@@ -0,0 +1,66 @@
+# PKG-DASH-05：真实 DASH SDK 与本地媒体验证检查点
+
+起点 `6840544e`。本批新增真实 SDK/媒体测试与来源证据，没有修改生产实现、公开声明、
+依赖或版本。05 保持 doing，不把浏览器能力缺口或尚未解释的播放停滞计为完成。
+
+## 输入与执行
+
+- 固定实际 npm dash.js 4.5.2 与 5.2.1，归档 SHA512 integrity/SHA256，保存运行脚本、
+ package.json、原始声明和 BSD-3-Clause 许可证成员指纹。SDK 仅供测试，未复制进生产包。
+- 新增 `scripts/generate-dash-fixture.mjs`：FFmpeg 合成 12 秒、90p/180p、英语 440 Hz/
+ 法语 880 Hz AAC 的本地 DASH。三种 MPD 分别为双画质双音轨、纯视频、单画质纯视频。
+ 31 个资源逐字节校验，生成器拒绝覆盖已有目录；MPD 强制 LF，m4s 作为二进制。
+ MPD 保留生成时移除音轨/画质节点留下的空白节点，Git 对此类夹具关闭行尾空白提示，
+ 不手改已运行的 XML 字节或重新写指纹；此例外不适用于源码与其他文件。
+- `test/browser/dash-sdk.spec.js` 加载真实 SDK、发布插件或候选插件、新旧核心，在真实
+ Chromium/Firefox/WebKit 执行。测试控制栏选择、Auto、实际解码视频尺寸与时钟、
+ 外部 SDK 选择后的同步 update、换源菜单拓扑、旧回调与调用方 SDK 销毁所有权。
+- 原生对照不创建 ArtPlayer/插件实例，直接用同一 SDK、video、媒体、缓冲配置执行
+ 画质/音轨与暂停 seek。页面仍加载核心脚本，另断言 Artplayer.instances 为零。
+- 每例附 SDK/插件/媒体来源、输入指纹、能力、轨道/画质、媒体缓冲区、事件时间、片段请求
+ 和浏览器 trace。报告与整个 results 目录在下一次套件前归档到独立缓存。
+
+## 失败原因与证据边界
+
+首轮 24 项：10 通过、8 失败、6 跳过。6 个能力探针的失败来自测试主动 destroy 未 initialize
+的 SDK：实际 4.5.2 源码 destroy → reset → attachSource(null)，后者要求已初始化。
+探针只读取版本/能力，不创建媒体资源；已移除错误的未初始化销毁，实际播放用例仍验证销毁。
+
+其余两项分别出现在 Chromium 候选核心/发布插件与 Firefox 发布核心/候选插件的 SDK 4.5.2
+组合：暂停后 seek 到 6 秒无法推进。trace 证明 AbortError 在测试超时后的销毁才出现，
+不能把它当成停滞起因。补充诊断后 24 项为 17 通过、1 失败、6 跳过；Chromium 停滞复现：
+视频缓冲终点 5.999999 秒，time=6、paused=false、seeking=true、readyState=1，未请求
+下一段视频，SDK 错误列表为空。SDK 音轨 rendered 事件已先于 seeking 到达，不能简单
+归因为“没有等音轨切完”。DASH-SEEK-01 保持 open。
+
+原生初始对照、增加缓冲终点接近 6 秒的前提后各 6 项为 4 通过、2 跳过，均没有复现停滞。
+这些通过不能证明 ArtPlayer 是根因，也不能关闭此前新旧核心组合的失败。后续应继续比较
+SourceBuffer 与 video.buffered 的范围、SDK 调度和暂停/seek 顺序；不得仅增大超时、偏移
+seek 目标或吞掉未处理异常来制造通过。
+
+外部 update 与换源首轮 24 项为 8 通过、8 失败、8 跳过。8 个换源失败源于测试保留了
+registry 的可变 option 对象；Component.update 会 Object.assign 修改它，调用到的是新
+回调。改为在换源前保存实际函数和旧 selector item；定向重跑 12 项为 8 通过、4 跳过。
+验证真实 SDK 连续切到无音轨、单画质、原拓扑，旧回调不改变新 SDK，四次 SDK 生命周期
+由调用方恰好销毁四次。没有据此修改生产组件更新语义。
+
+正式 main 整套 54 项为 36 通过、2 失败、16 跳过；两个失败是 Chromium 新旧核心/发布插件
+的同类 SDK 4.5.2 seek 停滞。候选组合本轮通过不能关闭首轮 Firefox 候选插件失败。
+完整 `yarn ci:check` 717 项通过（661 单元、14 工程、42 基线），261 个生产 TS 严格检查通过；
+它不包含该浏览器套件，不能把本地工程检查通过表述为全部浏览器通过。生成器整理参数后
+在新目录重建，31 个资源与冻结字节全部相同；只证明同一 FFmpeg/主机下本次重建。
+已查看候选核心/main/SDK 5.2.1 的 Chromium 播放截图，6 秒画面和 Auto/fr 控件显示正常。
+
+最终 main 执行和 CI 摘要见 [机器证据](../baselines/dash-sdk-checkpoint.json)。所有早期报告、
+trace 和结果目录均保留；本地缓存未上传，换机器应重新执行。后续通过不覆盖开放失败。
+
+## 后续范围与回退
+
+当前 217 项：74 done、4 doing、139 todo。DASH-05 仍需完成停滞排查、实际 SDK 类型消费者、
+SDK 驱动状态刷新/错误和播放组合、legacy 正式产物与有效 MSE/设备环境验证。
+原有同步 update 已通过实际 SDK 对照；当前插件不会自动订阅 SDK 状态变化，自动刷新是否
+增强及其订阅/重入/销毁规则需单独验证，不能从显式 update 的通过推导自动同步已实现。
+06 继续实际 8082 示例生命周期与完整隔离分发，版本升级和全项目发布复盘按总计划执行。
+
+本批为独立本地 checkpoint，不推送、不发布。回退只移除这批测试、合成媒体、生成器和记录，
+保留 01～04 已完成的源码、兼容声明与验证。新增基线测试纳入已有 test:baseline/ci:check。
diff --git a/refactor/dash-validation.md b/refactor/dash-validation.md
index db04b490f..d47c9af39 100644
--- a/refactor/dash-validation.md
+++ b/refactor/dash-validation.md
@@ -19,6 +19,13 @@
TS 4.3.5/5.9.3、五种模块模式、八条非法用法及实际 npm 旧声明的消费者对照。
- `yarn test:dash-types-package`：Yarn 打包核心/DASH、工作区外离线安装与冻结锁重装，
检查五种模式、CommonJS callable/命名空间、每模式八条非法调用，并拒绝解析回工作区。
+- `yarn test:browser test/browser/dash-sdk.spec.js --trace on`：真实 npm dash.js 4.5.2/5.2.1，
+ 本地多画质/多音轨 MPD，新旧核心/插件、外部同步 update、连续换源和 SDK 原生对照。
+ `ARTPLAYER_DASH_ARTIFACT` 可选择正式 main/legacy；未指定则测试源码构建。
+ 无 MSE 的引擎只通过能力探针，播放用例明确跳过，不计为该引擎 DASH 验收。
+- `node --test refactor/scripts/dash-sdk.test.mjs`：SDK 归档/成员/许可证来源、媒体指纹与拓扑。
+ 如需重新合成诊断媒体，用 `node scripts/generate-dash-fixture.mjs refactor/.cache/new-dash-media`，
+ 输出目录必须不存在；可通过 `ARTPLAYER_FFMPEG` 指定 FFmpeg，不覆盖已冻结输入。
Node helper 分别加载当前源码、固定 Git 提交的旧工作区 UMD、实际 npm main/legacy/module。
Git 内容以 LF 指纹核对，发布归档与成员以原始字节指纹核对。`ARTPLAYER_TEST_DASH` 可指定
@@ -29,10 +36,12 @@ Git 内容以 LF 指纹核对，发布归档与成员以原始字节指纹核对
原始轨道身份、调用顺序、错误身份、ABR 配置保留、换 SDK、多实例和关闭后的引用。
真实旧实现的缺陷观察保持冻结；候选生命周期新增正确行为断言，不把历史缺陷当作兼容要求。
-浏览器使用真实发布/候选 ArtPlayer DOM、真实发布/候选插件和本地原生 MP4。SDK 方法可控，
+`dash-control.spec.js` 使用真实发布/候选 ArtPlayer DOM、真实发布/候选插件和本地原生 MP4。SDK 方法可控，
断言真实点击触发的参数及控制栏/设置同步，再通过真实播放按钮验证视频时钟推进、无媒体错误。
**没有加载 dash.js，没有验证 MPD、ABR 自动切换或自适应流解码。** 这些仍是 05 必须完成的
-固定 dash.js 4.5.2 / 5.2.1 集成验证。`ARTPLAYER_DASH_ARTIFACT` 可替换插件脚本；02 未设置，
+固定 dash.js 4.5.2 / 5.2.1 集成验证。独立 `dash-sdk.spec.js` 已开始真实验证，状态以
+[05 检查点](changes/2026-09-12-PKG-DASH-05-sdk-checkpoint.md) 为准；不覆盖早期停滞失败。
+`ARTPLAYER_DASH_ARTIFACT` 可替换插件脚本；02 未设置，
03 分别使用正式 main 与 legacy 文件。核心仍按服务端 manifest 加载发布/候选源码构建。
## 02 首次失败与证据
diff --git a/refactor/plan.md b/refactor/plan.md
index b7820431d..9d9592e08 100644
--- a/refactor/plan.md
+++ b/refactor/plan.md
@@ -4,7 +4,7 @@
基线：`40fcda6a37d0049d42e49c1e64e70d4fd9ba5f7f`。总任务 217 项，范围 22 个包及工作区/示例。
-状态：todo 140 / doing 3 / blocked 0 / done 74 / deferred 0。风险 L/M/H 表示兼容风险，不表示工期。
+状态：todo 139 / doing 4 / blocked 0 / done 74 / deferred 0。风险 L/M/H 表示兼容风险，不表示工期。
前置依赖是启动条件；验收是完成条件。任务可以继续拆分，但不能复用或悄悄删除旧 ID。
@@ -205,7 +205,7 @@
| PKG-DASH-02 | artplayer-plugin-dash-control
建立特有行为与错误测试 | PKG-DASH-01, ENG-03, ENG-05 | 保留已有 5 项稳定 ID 回归，补发布版 SDK 4.x/当前 5.x、音轨/空列表/过滤/换源与关闭引用 | 旧版本行为可重跑，成功/失败/切源/销毁有必要断言 | H | done |
| PKG-DASH-03 | artplayer-plugin-dash-control
整理内部职责与资源 | PKG-DASH-02, CORE-11, CORE-14 | 能力适配保留 SDK 4.x 与 5.x，稳定 ID 映射、ABR 状态、UI 清理和生命周期职责分离 | 结构变化和缺陷修复分开记录；原 API/事件/资源生命周期通过 | H | done |
| PKG-DASH-04 | artplayer-plugin-dash-control
迁移自有源码和公开类型 | PKG-DASH-03, ENG-04, ENG-06, CORE-07 | dash.js adapter、selector 和回调类型 | 严格类型检查、旧消费样例通过；声明路径/导出和同步异步兼容 | H | done |
-| PKG-DASH-05 | artplayer-plugin-dash-control
验证新旧核心和组合 | PKG-DASH-04, CORE-22 | 固定 dash.js 4.5.2/5.2.1 与本地 DASH 实际清晰度/音轨、高亮、Auto 和换源组合 | 最终核心与原支持范围核心分别通过；设备/SDK 缺证据不能标完成 | H | todo |
+| PKG-DASH-05 | artplayer-plugin-dash-control
验证新旧核心和组合 | PKG-DASH-04, CORE-22 | 固定 dash.js 4.5.2/5.2.1 与本地 DASH 实际清晰度/音轨、高亮、Auto 和换源组合 | 最终核心与原支持范围核心分别通过；设备/SDK 缺证据不能标完成 | H | doing |
| PKG-DASH-06 | artplayer-plugin-dash-control
验证分发并同步文档 | PKG-DASH-05, ENG-07 | dash.control.js、支持的 dash.js 版本与产物 | tarball 入口/资源、类型、8082 demo 和 README 一致，有回退记录 | H | todo |
## 5 包迁移：artplayer-plugin-multiple-subtitles
@@ -483,3 +483,4 @@
- PKG-DASH-02: [记录](changes/2026-09-12-PKG-DASH-02-tests.md) [记录](dash-validation.md) [记录](baselines/dash-validation.json)
- PKG-DASH-03: [记录](changes/2026-09-12-PKG-DASH-03-runtime.md) [记录](baselines/dash-runtime.json) [记录](dash-validation.md)
- PKG-DASH-04: [记录](changes/2026-09-12-PKG-DASH-04-types.md) [记录](baselines/dash-types-validation.json) [记录](dash-validation.md)
+- PKG-DASH-05: [记录](changes/2026-09-12-PKG-DASH-05-sdk-checkpoint.md) [记录](baselines/dash-sdk.json) [记录](baselines/dash-sdk-checkpoint.json) [记录](dash-validation.md)
diff --git a/refactor/progress.md b/refactor/progress.md
index 9c9a14479..73445b85a 100644
--- a/refactor/progress.md
+++ b/refactor/progress.md
@@ -1,5 +1,24 @@
# 进度与证据
+## 当前实施：DASH-05 真实 SDK 与 MPD 检查点
+
+已固定 npm dash.js 4.5.2/5.2.1 归档/成员/许可证指纹，新增本地双画质双音轨 DASH、
+纯视频和单画质拓扑，真实 Chromium/Firefox/WebKit 测试及不创建 ArtPlayer 的 SDK 对照。
+正式 main 共 54 项：36 通过、2 失败、16 因 Windows WebKit 无 MSE 跳过，不算播放验收。
+外部 SDK 选择后的同步 update、连续换源/菜单清理、旧回调及调用方 SDK 销毁所有权通过。
+
+两个 main 失败均为 SDK 4.5.2/发布插件的暂停 seek：新旧核心都可在 5.999999 秒缓冲
+终点 seek 到 6 秒后停滞。DASH-SEEK-01 保持 open；AbortError 是超时后销毁的结果，
+不能当作起因。原生对照通过不足以定位或关闭它，首次 Firefox/候选插件失败也仍保留。
+已修正能力探针错误销毁未初始化 SDK、以及换源测试误保留可变 option 对象两个测试问题。
+完整本地工程 CI 717 项通过、261 个生产 TS 严格检查通过；该 CI 不含上述失败的 SDK 浏览器套件。
+生成器在同一 FFmpeg/主机的新目录重建 31 个资源，全部字节一致，已查看实际播放截图。
+
+当前 217 项：74 done、4 doing、139 todo。DASH-05 尚未完成；实际 SDK 类型、自动状态
+刷新/错误、legacy SDK 矩阵、设备和完整分发继续推进。此次没有修改生产源码、依赖或版本。
+详见 [本批记录](changes/2026-09-12-PKG-DASH-05-sdk-checkpoint.md)、
+[执行证据](baselines/dash-sdk-checkpoint.json)。以下各节为对应阶段当时的历史状态。
+
## 最新完成：DASH-04 严格 TS、公开类型和编辑器迁移
DASH 五个自有模块全部 TS 化，源码/公开工厂可互相赋值；默认字段和自定义 SDK 泛型准确，
diff --git a/refactor/risk-table.md b/refactor/risk-table.md
index b90cd192c..578a339ac 100644
--- a/refactor/risk-table.md
+++ b/refactor/risk-table.md
@@ -140,3 +140,4 @@
| DASH-STATE-01 | open / 已复现 | DASH 当前项高亮使用真值 ID、音轨身份和标签去重，边界待核实 | PKG-DASH-02, PKG-DASH-03, PKG-DASH-05 |
| DASH-TYPE-01 | resolved / 源码/产物事实 | DASH 类型未表达默认工厂参数、SDK 回调对象和现代模块入口 | PKG-DASH-04 |
| DASH-DEMO-01 | open / 源码/产物事实 | DASH 示例仅新 SDK 且重复安装会累积销毁回调 | PKG-DASH-06 |
+| DASH-SEEK-01 | open / 已复现 | 真实 dash.js 4.5.2 暂停 seek 到缓冲片段边界后可能持续 waiting | PKG-DASH-05, REVIEW-02 |
diff --git a/refactor/risks.json b/refactor/risks.json
index c18399a63..72c39d78d 100644
--- a/refactor/risks.json
+++ b/refactor/risks.json
@@ -2850,7 +2850,8 @@
"test/dash-contract.test.js",
"refactor/dash-validation.md",
"test/dash-lifecycle.test.js",
- "refactor/baselines/dash-runtime.json"
+ "refactor/baselines/dash-runtime.json",
+ "refactor/baselines/dash-sdk-checkpoint.json"
],
"compatibleResolution": "按方法能力适配两代已存在用法，保留 v5 稳定 ID，不能要求旧消费者改用新 SDK。",
"closureCriteria": "归档旧用法、v4/v5 受控及实际媒体矩阵通过，清晰度键不混用。"
@@ -2903,7 +2904,8 @@
"test/dash-contract.test.js",
"refactor/dash-validation.md",
"test/dash-lifecycle.test.js",
- "refactor/baselines/dash-runtime.json"
+ "refactor/baselines/dash-runtime.json",
+ "refactor/baselines/dash-sdk-checkpoint.json"
],
"compatibleResolution": "验证零 ID、重复标签和克隆音轨当前项，在保持原展示语义时按实际可选项定位高亮。",
"closureCriteria": "有受控和真实 SDK 证据说明选中的 representation/track 与 UI 一致。"
@@ -2950,6 +2952,23 @@
],
"compatibleResolution": "验证真实 SDK 销毁和示例重载路径，对齐 v4/v5 文档与示例，不让旧监听误操作新实例。",
"closureCriteria": "真实 8082 demo、旧/新 SDK 路径与 tarball 产物一致，监听和 SDK 所有权可验证。"
+ },
+ {
+ "id": "DASH-SEEK-01",
+ "title": "真实 dash.js 4.5.2 暂停 seek 到缓冲片段边界后可能持续 waiting",
+ "confirmation": "reproduced",
+ "status": "open",
+ "owners": [
+ "PKG-DASH-05",
+ "REVIEW-02"
+ ],
+ "evidence": [
+ "test/browser/dash-sdk.spec.js",
+ "refactor/baselines/dash-sdk-checkpoint.json",
+ "refactor/changes/2026-09-12-PKG-DASH-05-sdk-checkpoint.md"
+ ],
+ "compatibleResolution": "先比较实际 SDK、SourceBuffer/video 缓冲与暂停 seek 调度；不偏移公开 seek 目标，不吞异常或增加超时伪造通过。",
+ "closureCriteria": "原失败的新旧核心/插件组合有确定根因与对应修复/可验证环境边界；原生对照及原顺序、原目标回归成立，后续偶然通过不能关闭。"
}
]
}
diff --git a/refactor/scripts/dash-sdk.test.mjs b/refactor/scripts/dash-sdk.test.mjs
new file mode 100644
index 000000000..33c399af5
--- /dev/null
+++ b/refactor/scripts/dash-sdk.test.mjs
@@ -0,0 +1,51 @@
+import assert from 'node:assert/strict'
+import fs from 'node:fs'
+import path from 'node:path'
+// eslint-disable-next-line test/no-import-node-test -- Verify frozen real SDK and media inputs.
+import test from 'node:test'
+import { ensureArchive, hash, readMember, refactorDir } from './releases.mjs'
+
+test('DASH real SDK releases retain exact versions, executable members, declarations and license provenance', async () => {
+ const baseline = JSON.parse(fs.readFileSync(path.join(refactorDir, 'baselines/dash-sdk.json')))
+ assert.equal(baseline.task, 'PKG-DASH-05')
+ assert.deepEqual(baseline.sdks.map(sdk => sdk.release.version), ['4.5.2', '5.2.1'])
+ for (const sdk of baseline.sdks) {
+ const archive = await ensureArchive(sdk.release)
+ assert.equal(sdk.release.name, 'dashjs')
+ assert.equal(sdk.metadataUrl, `https://registry.npmjs.org/dashjs/${sdk.release.version}`)
+ assert(sdk.release.files[sdk.codeMember])
+ assert(sdk.release.files['package/index.d.ts'])
+ assert(sdk.release.files['package/LICENSE.md'])
+ for (const [member, expected] of Object.entries(sdk.release.files))
+ assert.equal(hash(readMember(archive, member)), expected, member)
+ const manifest = JSON.parse(readMember(archive, 'package/package.json'))
+ assert.equal(manifest.version, sdk.release.version)
+ assert.equal(manifest.name, 'dashjs')
+ assert.equal(manifest.license, 'BSD-3-Clause')
+ }
+})
+
+test('DASH media bytes and topology remain reproducible inputs rather than remote stream assumptions', () => {
+ const directory = path.join(refactorDir, '../test/browser/media/dash')
+ const manifest = JSON.parse(fs.readFileSync(path.join(directory, 'manifest.json')))
+ assert.equal(manifest.kind, 'generated-dash-media')
+ assert.equal(manifest.duration, 12)
+ assert.deepEqual(manifest.videoHeights, [90, 180])
+ assert.deepEqual(manifest.audio, [{ lang: 'en', frequency: 440 }, { lang: 'fr', frequency: 880 }])
+ assert.deepEqual(fs.readdirSync(directory).filter(name => name !== 'manifest.json').sort(), Object.keys(manifest.files).sort())
+ for (const [name, expected] of Object.entries(manifest.files)) {
+ assert(/^[\w.-]+$/.test(name))
+ const bytes = fs.readFileSync(path.join(directory, name))
+ assert.equal(hash(bytes), expected.sha256, name)
+ assert.equal(bytes.length, expected.bytes, name)
+ }
+ const read = name => fs.readFileSync(path.join(directory, name), 'utf8')
+ assert.equal([...read('master.mpd').matchAll(/contentType="audio"/g)].length, 2)
+ assert.equal([...read('master.mpd').matchAll(/]+contentType="audio"[\s\S]*?<\/AdaptationSet>/g
+assert.equal([...master.matchAll(audioSets)].length, 2)
+const videoOnly = master.replace(audioSets, '')
+assert(!videoOnly.includes('contentType="audio"'))
+fs.writeFileSync(path.join(output, 'video-only.mpd'), videoOnly)
+const single = videoOnly.replace(/]+id="1"[\s\S]*?<\/Representation>/, '')
+assert.equal([...single.matchAll(/ [name, { sha256: hash(fs.readFileSync(path.join(output, name))), bytes: fs.statSync(path.join(output, name)).size }]))
+fs.writeFileSync(path.join(output, 'manifest.json'), `${JSON.stringify({ kind: 'generated-dash-media', version, duration: 12, videoHeights: [90, 180], audio: [{ lang: 'en', frequency: 440 }, { lang: 'fr', frequency: 880 }], commands: [args], files }, null, 2)}\n`)
+console.log(`Generated ${Object.keys(files).length} DASH files in ${output}`)
diff --git a/test/browser/dash-sdk.spec.js b/test/browser/dash-sdk.spec.js
new file mode 100644
index 000000000..bdb2b9302
--- /dev/null
+++ b/test/browser/dash-sdk.spec.js
@@ -0,0 +1,307 @@
+import assert from 'node:assert/strict'
+import fs from 'node:fs'
+import process from 'node:process'
+import { ensureArchive, hash, readMember } from '../../refactor/scripts/releases.mjs'
+import { compilePackage } from '../helpers/load.js'
+import { expect, test } from './fixtures.js'
+
+const sdks = new Map()
+const media = new Map()
+let candidate
+let published
+let mediaManifest
+let pluginRelease
+
+test.beforeAll(async () => {
+ const baseline = JSON.parse(fs.readFileSync(new URL('../../refactor/baselines/dash-sdk.json', import.meta.url)))
+ for (const sdk of baseline.sdks) {
+ const archive = await ensureArchive(sdk.release)
+ const bytes = readMember(archive, sdk.codeMember)
+ assert.equal(hash(bytes), sdk.release.files[sdk.codeMember])
+ sdks.set(sdk.release.version, { ...sdk, code: bytes.toString() })
+ }
+ pluginRelease = JSON.parse(fs.readFileSync(new URL('../../refactor/baselines/dash-control-release.json', import.meta.url))).release
+ const bytes = readMember(await ensureArchive(pluginRelease), 'package/dist/artplayer-plugin-dash-control.js')
+ assert.equal(hash(bytes), pluginRelease.files['package/dist/artplayer-plugin-dash-control.js'])
+ published = bytes.toString()
+ candidate = process.env.ARTPLAYER_DASH_ARTIFACT ? fs.readFileSync(process.env.ARTPLAYER_DASH_ARTIFACT, 'utf8') : await compilePackage('artplayer-plugin-dash-control', 'umd')
+ mediaManifest = JSON.parse(fs.readFileSync(new URL('./media/dash/manifest.json', import.meta.url)))
+ for (const [name, expected] of Object.entries(mediaManifest.files)) {
+ assert(/^[\w.-]+$/.test(name))
+ const bytes = fs.readFileSync(new URL(`./media/dash/${name}`, import.meta.url))
+ assert.equal(hash(bytes), expected.sha256)
+ assert.equal(bytes.length, expected.bytes)
+ media.set(name, bytes)
+ }
+})
+
+test.afterEach(async ({ page }, testInfo) => {
+ const state = await page.evaluate(() => {
+ const art = window.art
+ const dash = art?.dash || window.nativeDash
+ let tracks
+ let levels
+ try {
+ tracks = dash?.getTracksFor('audio').map(track => ({ id: track.id, index: track.index, lang: track.lang }))
+ levels = (dash?.getRepresentationsByType?.('video') || dash?.getBitrateInfoListFor?.('video'))?.map(level => ({ id: level.id, qualityIndex: level.qualityIndex, height: level.height }))
+ }
+ catch (error) {
+ levels = { error: error.message }
+ }
+ const video = art?.video || window.nativeVideo
+ const buffered = video ? Array.from({ length: video.buffered.length }, (_, index) => [video.buffered.start(index), video.buffered.end(index)]) : []
+ return { errors: window.sdkErrors, events: window.sdkEvents, mediaEvents: window.mediaEvents, nativePlay: window.nativePlay, tracks, levels, buffered, paused: video?.paused, seeking: video?.seeking, time: video?.currentTime, ready: art?.isReady, width: video?.videoWidth, height: video?.videoHeight, error: video?.error?.code, readyState: video?.readyState, destroyed: window.sdkDestroyed }
+ }).catch(error => ({ error: error.message }))
+ await testInfo.attach('dash-sdk-state', { contentType: 'application/json', body: JSON.stringify(state) })
+ if (!page.isClosed()) {
+ await page.evaluate(() => {
+ if (window.art && !window.art.isDestroy)
+ window.art.destroy()
+ window.nativeDash?.destroy()
+ })
+ }
+})
+
+async function loadSDK(page, version, core, testInfo) {
+ const sdk = sdks.get(version)
+ await page.goto(`/test/player.html?core=${core}`)
+ await page.addScriptTag({ content: sdk.code })
+ const capability = await page.evaluate(() => ({ sdk: window.dashjs.supportsMediaSource(), mse: typeof window.MediaSource, managed: typeof window.ManagedMediaSource, avc: Boolean(window.MediaSource?.isTypeSupported('video/mp4; codecs="avc1.42c01e"')), aac: Boolean(window.MediaSource?.isTypeSupported('audio/mp4; codecs="mp4a.40.2"')) }))
+ await testInfo.attach('dash-sdk-inputs', { contentType: 'application/json', body: JSON.stringify({ sdk: sdk.release, codeMember: sdk.codeMember, pluginRelease, candidateSHA256: hash(candidate), candidate: process.env.ARTPLAYER_DASH_ARTIFACT || 'workspace source build', media: mediaManifest, capability }) })
+ return capability
+}
+
+async function openDash(page, version, core, plugin, testInfo) {
+ const capability = await loadSDK(page, version, core, testInfo)
+ test.skip(!capability.sdk, 'Actual SDK reports no MediaSource support; this engine has no DASH playback acceptance')
+ await routeMedia(page)
+ await page.addScriptTag({ content: plugin === 'published' ? published : candidate })
+ await page.evaluate(() => {
+ window.sdkErrors = []
+ window.sdkEvents = []
+ window.mediaEvents = []
+ window.sdkDestroyed = 0
+ window.art = new window.Artplayer({
+ container: '.player',
+ url: '/dash-fixture/master.mpd',
+ muted: true,
+ setting: true,
+ plugins: [window.artplayerPluginDashControl({ quality: { control: true, setting: true }, audio: { control: true, setting: true } })],
+ customType: { mpd(video, url, art) {
+ if (art.dash) {
+ art.dash.destroy()
+ window.sdkDestroyed++
+ }
+ const dash = window.dashjs.MediaPlayer().create()
+ art.dash = dash
+ dash.updateSettings({ debug: { logLevel: 0 }, streaming: { abr: { initialBitrate: { video: 150 } }, buffer: { fastSwitchEnabled: true, bufferTimeDefault: 2, bufferTimeAtTopQuality: 2 } } })
+ const events = window.dashjs.MediaPlayer.events
+ dash.on(events.ERROR, event => window.sdkErrors.push({ code: event.error?.code, message: event.error?.message, event: event.type }))
+ for (const name of ['STREAM_INITIALIZED', 'QUALITY_CHANGE_REQUESTED', 'QUALITY_CHANGE_RENDERED', 'TRACK_CHANGE_RENDERED', 'STREAM_TEARDOWN_COMPLETE', 'BUFFER_LEVEL_STATE_CHANGED', 'FRAGMENT_LOADING_COMPLETED', 'PLAYBACK_SEEKING', 'PLAYBACK_SEEKED']) {
+ if (events[name])
+ dash.on(events[name], event => window.sdkEvents.push({ name, at: performance.now(), mediaType: event.mediaType, oldQuality: event.oldQuality, newQuality: event.newQuality, state: event.state, url: event.request?.url, time: video.currentTime }))
+ }
+ dash.initialize(video, url, false)
+ } },
+ })
+ const art = window.art
+ for (const name of ['play', 'playing', 'pause', 'seeking', 'seeked', 'waiting', 'emptied', 'loadedmetadata', 'loadeddata', 'canplay', 'error']) {
+ art.video.addEventListener(name, () => window.mediaEvents.push({ name, at: performance.now(), time: art.video.currentTime, paused: art.video.paused, readyState: art.video.readyState, buffered: Array.from({ length: art.video.buffered.length }, (_, index) => [art.video.buffered.start(index), art.video.buffered.end(index)]) }))
+ }
+ art.on('destroy', () => {
+ art.dash.destroy()
+ window.sdkDestroyed++
+ })
+ document.querySelector('#play').onclick = () => art.play()
+ document.querySelector('#pause').onclick = () => art.pause()
+ })
+}
+
+async function routeMedia(page) {
+ await page.route('**/dash-fixture/**', async (route) => {
+ const name = new URL(route.request().url()).pathname.split('/').at(-1)
+ const bytes = media.get(name)
+ await route.fulfill({ status: bytes ? 200 : 503, body: bytes || 'Intentional DASH fixture failure', contentType: name.endsWith('.mpd') ? 'application/dash+xml' : 'video/mp4' })
+ })
+}
+
+for (const version of ['4.5.2', '5.2.1']) {
+ test(`dash.js ${version}: actual SDK reports MSE capabilities and version`, async ({ page }, testInfo) => {
+ const capability = await loadSDK(page, version, 'candidate', testInfo)
+ // This capability probe creates no media resources; destroy requires initialize.
+ const actual = await page.evaluate(() => window.dashjs.MediaPlayer().create().getVersion())
+ expect(actual).toBe(version)
+ if (capability.mse === 'undefined' && capability.managed === 'undefined')
+ expect(capability.sdk).toBe(false)
+ else
+ expect(capability.sdk).toBe(true)
+ })
+}
+
+for (const core of ['published', 'candidate']) {
+ for (const [plugin, version] of [['published', '4.5.2'], ['candidate', '4.5.2'], ['candidate', '5.2.1']]) {
+ test(`${core} core / ${plugin} DASH / ${version}: real MPD decoding and UI selection`, async ({ page }, testInfo) => {
+ await openDash(page, version, core, plugin, testInfo)
+ await expect.poll(() => page.evaluate(() => window.art.isReady)).toBe(true)
+ await page.locator('#play').click()
+ await expect.poll(() => page.evaluate(() => window.art.currentTime)).toBeGreaterThan(0.3)
+ expect(await page.evaluate(() => window.art.dash.getTracksFor('audio').map(track => track.lang))).toEqual(['en', 'fr'])
+ expect(await page.evaluate(() => window.art.video.getVideoPlaybackQuality().totalVideoFrames)).toBeGreaterThan(0)
+ const control = page.locator('.art-control-dash-quality')
+ await control.hover()
+ await control.locator('.art-selector-item').filter({ hasText: /^180p$/ }).click()
+ await expect.poll(() => page.evaluate(() => ({ auto: window.art.dash.getSettings().streaming.abr.autoSwitchBitrate.video, height: window.art.video.videoHeight }))).toEqual({ auto: false, height: 180 })
+ await control.hover()
+ await control.locator('.art-selector-item').filter({ hasText: /^Auto$/ }).click()
+ expect(await page.evaluate(() => window.art.dash.getSettings().streaming.abr.autoSwitchBitrate.video)).toBe(true)
+ const audio = page.locator('.art-control-dash-audio')
+ await audio.hover()
+ await audio.locator('.art-selector-item').filter({ hasText: /^fr$/ }).click()
+ await expect.poll(() => page.evaluate(() => window.art.dash.getCurrentTrackFor('audio').lang)).toBe('fr')
+ await expect(audio.locator('.art-selector-value')).toHaveText('fr')
+ expect(await page.evaluate(() => window.art.setting.find('dash-audio').tooltip)).toBe('fr')
+ await page.locator('#pause').click()
+ expect(await page.evaluate(() => window.art.video.paused)).toBe(true)
+ await page.evaluate(() => {
+ window.art.seek = 6
+ })
+ await page.locator('#play').click()
+ await expect.poll(() => page.evaluate(() => window.art.currentTime)).toBeGreaterThan(6.2)
+ expect(await page.evaluate(() => window.sdkErrors)).toEqual([])
+ await testInfo.attach('dash-sdk-playing', { contentType: 'image/png', body: await page.screenshot() })
+ })
+ }
+}
+
+for (const version of ['4.5.2', '5.2.1']) {
+ test(`dash.js ${version}: native SDK track switch and paused seek without ArtPlayer`, async ({ page }, testInfo) => {
+ const capability = await loadSDK(page, version, 'candidate', testInfo)
+ test.skip(!capability.sdk, 'Actual SDK reports no MediaSource support; no native DASH playback acceptance')
+ await routeMedia(page)
+ await page.evaluate(() => {
+ const video = document.createElement('video')
+ window.nativeVideo = video
+ video.muted = true
+ document.querySelector('.player').append(video)
+ const dash = window.dashjs.MediaPlayer().create()
+ window.nativeDash = dash
+ window.sdkEvents = []
+ window.sdkErrors = []
+ window.mediaEvents = []
+ dash.updateSettings({ debug: { logLevel: 0 }, streaming: { abr: { initialBitrate: { video: 150 } }, buffer: { fastSwitchEnabled: true, bufferTimeDefault: 2, bufferTimeAtTopQuality: 2 } } })
+ const events = window.dashjs.MediaPlayer.events
+ dash.on(events.ERROR, event => window.sdkErrors.push({ code: event.error?.code, message: event.error?.message }))
+ for (const name of ['FRAGMENT_LOADING_COMPLETED', 'TRACK_CHANGE_RENDERED', 'QUALITY_CHANGE_RENDERED', 'BUFFER_LEVEL_STATE_CHANGED', 'PLAYBACK_SEEKING', 'PLAYBACK_SEEKED']) {
+ dash.on(events[name], event => window.sdkEvents.push({ name, at: performance.now(), mediaType: event.mediaType, state: event.state, url: event.request?.url, time: video.currentTime }))
+ }
+ for (const name of ['play', 'playing', 'pause', 'seeking', 'seeked', 'waiting']) {
+ video.addEventListener(name, () => window.mediaEvents.push({ name, at: performance.now(), time: video.currentTime, paused: video.paused, readyState: video.readyState, buffered: Array.from({ length: video.buffered.length }, (_, index) => [video.buffered.start(index), video.buffered.end(index)]) }))
+ }
+ dash.initialize(video, '/dash-fixture/master.mpd', false)
+ document.querySelector('#play').onclick = () => {
+ window.nativePlay = 'pending'
+ video.play().then(() => {
+ window.nativePlay = 'fulfilled'
+ }, (error) => {
+ window.nativePlay = `${error.name}: ${error.message}`
+ })
+ }
+ document.querySelector('#pause').onclick = () => video.pause()
+ })
+ await expect.poll(() => page.evaluate(() => window.nativeVideo.readyState)).toBeGreaterThanOrEqual(2)
+ await page.locator('#play').click()
+ await expect.poll(() => page.evaluate(() => window.nativeVideo.currentTime)).toBeGreaterThan(0.3)
+ await page.evaluate(() => {
+ const dash = window.nativeDash
+ dash.updateSettings({ streaming: { abr: { autoSwitchBitrate: { video: false } } } })
+ if (dash.setQualityFor)
+ dash.setQualityFor('video', 1, true)
+ else
+ dash.setRepresentationForTypeById('video', '1', true)
+ })
+ await expect.poll(() => page.evaluate(() => window.nativeVideo.videoHeight)).toBe(180)
+ // Match the failed integrated run: video data ends at the next seek target.
+ await expect.poll(() => page.evaluate(() => window.nativeVideo.buffered.end(window.nativeVideo.buffered.length - 1))).toBeCloseTo(6, 4)
+ await page.evaluate(() => {
+ const dash = window.nativeDash
+ dash.updateSettings({ streaming: { abr: { autoSwitchBitrate: { video: true } } } })
+ dash.setCurrentTrack(dash.getTracksFor('audio').find(track => track.lang === 'fr'))
+ })
+ await expect.poll(() => page.evaluate(() => window.nativeDash.getCurrentTrackFor('audio').lang)).toBe('fr')
+ await page.locator('#pause').click()
+ await page.evaluate(() => {
+ window.nativeVideo.currentTime = 6
+ })
+ await page.locator('#play').click()
+ await expect.poll(() => page.evaluate(() => window.nativeVideo.currentTime)).toBeGreaterThan(6.2)
+ expect(await page.evaluate(() => window.nativePlay)).toBe('fulfilled')
+ expect(await page.evaluate(() => window.sdkErrors)).toEqual([])
+ expect(await page.evaluate(() => window.Artplayer.instances.length)).toBe(0)
+ })
+}
+
+for (const core of ['published', 'candidate']) {
+ for (const version of ['4.5.2', '5.2.1']) {
+ test(`${core} core / DASH ${version}: explicit update reflects external SDK selection`, async ({ page }, testInfo) => {
+ await openDash(page, version, core, 'candidate', testInfo)
+ await expect.poll(() => page.evaluate(() => window.art.isReady)).toBe(true)
+ await page.locator('#play').click()
+ await expect.poll(() => page.evaluate(() => window.art.currentTime)).toBeGreaterThan(0.3)
+ await page.evaluate(() => {
+ const dash = window.art.dash
+ dash.updateSettings({ streaming: { abr: { autoSwitchBitrate: { video: false } } } })
+ if (dash.setQualityFor)
+ dash.setQualityFor('video', 1)
+ else
+ dash.setRepresentationForTypeById('video', '1')
+ dash.setCurrentTrack(dash.getTracksFor('audio').find(track => track.lang === 'fr'))
+ })
+ await expect.poll(() => page.evaluate(() => window.art.video.videoHeight)).toBe(180)
+ await page.evaluate(() => window.art.plugins.artplayerPluginDashControl.update())
+ await expect(page.locator('.art-control-dash-quality .art-selector-value')).toHaveText('180p')
+ await expect(page.locator('.art-control-dash-audio .art-selector-value')).toHaveText('fr')
+ expect(await page.evaluate(() => ({ quality: window.art.setting.find('dash-quality').tooltip, audio: window.art.setting.find('dash-audio').tooltip }))).toEqual({ quality: '180p', audio: 'fr' })
+ await page.evaluate(() => {
+ window.art.dash.updateSettings({ streaming: { abr: { autoSwitchBitrate: { video: true } } } })
+ window.art.plugins.artplayerPluginDashControl.update()
+ })
+ await expect(page.locator('.art-control-dash-quality .art-selector-value')).toHaveText('Auto')
+ expect(await page.evaluate(() => window.sdkErrors)).toEqual([])
+ })
+
+ test(`${core} core / DASH ${version}: actual source topology replacement and owned cleanup`, async ({ page }, testInfo) => {
+ await openDash(page, version, core, 'candidate', testInfo)
+ await expect(page.locator('.art-control-dash-audio .art-selector-value')).toHaveText('en')
+ await page.locator('#play').click()
+ await expect.poll(() => page.evaluate(() => window.art.currentTime)).toBeGreaterThan(0.3)
+ await page.evaluate(() => {
+ const quality = window.art.controls.cache.get('dash-quality').option
+ const audio = window.art.setting.find('dash-audio')
+ // Registry update mutates the option object; retain the actual old callback.
+ window.retainedQuality = { onSelect: quality.onSelect, item: quality.selector[0] }
+ window.retainedAudio = { onSelect: audio.onSelect, item: audio.selector[1] }
+ })
+ await page.evaluate(() => window.art.switchUrl('/dash-fixture/video-only.mpd'))
+ await expect(page.locator('.art-control-dash-audio')).toHaveCount(0)
+ expect(await page.evaluate(() => Boolean(window.art.setting.find('dash-audio')))).toBe(false)
+ expect(await page.evaluate(() => window.art.dash.getTracksFor('audio'))).toEqual([])
+ await expect.poll(() => page.evaluate(() => window.art.currentTime)).toBeGreaterThan(0.3)
+ await page.evaluate(() => {
+ window.retainedQuality.onSelect(window.retainedQuality.item)
+ window.retainedAudio.onSelect(window.retainedAudio.item)
+ })
+ expect(await page.evaluate(() => window.art.dash.getSettings().streaming.abr.autoSwitchBitrate.video)).toBe(true)
+ await page.evaluate(() => window.art.switchUrl('/dash-fixture/single.mpd'))
+ await expect(page.locator('.art-control-dash-quality .art-selector-item')).toHaveText(['90p', 'Auto'])
+ await expect.poll(() => page.evaluate(() => window.art.video.videoHeight)).toBe(90)
+ await page.evaluate(() => window.art.switchUrl('/dash-fixture/master.mpd'))
+ await expect(page.locator('.art-control-dash-audio .art-selector-value')).toHaveText('en')
+ await expect(page.locator('.art-control-dash-quality .art-selector-item')).toHaveText(['180p', '90p', 'Auto'])
+ expect(await page.evaluate(() => window.sdkDestroyed)).toBe(3)
+ expect(await page.evaluate(() => window.sdkErrors)).toEqual([])
+ await page.evaluate(() => window.art.destroy(false))
+ expect(await page.evaluate(() => window.sdkDestroyed)).toBe(4)
+ await expect(page.locator('.art-control-dash-quality, .art-control-dash-audio')).toHaveCount(0)
+ })
+ }
+}
diff --git a/test/browser/media/dash/chunk-0-00001.m4s b/test/browser/media/dash/chunk-0-00001.m4s
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diff --git a/test/browser/media/dash/chunk-0-00002.m4s b/test/browser/media/dash/chunk-0-00002.m4s
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diff --git a/test/browser/media/dash/chunk-0-00003.m4s b/test/browser/media/dash/chunk-0-00003.m4s
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diff --git a/test/browser/media/dash/chunk-0-00004.m4s b/test/browser/media/dash/chunk-0-00004.m4s
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index 000000000..300c53f30
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diff --git a/test/browser/media/dash/chunk-0-00005.m4s b/test/browser/media/dash/chunk-0-00005.m4s
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diff --git a/test/browser/media/dash/chunk-0-00006.m4s b/test/browser/media/dash/chunk-0-00006.m4s
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diff --git a/test/browser/media/dash/chunk-1-00001.m4s b/test/browser/media/dash/chunk-1-00001.m4s
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index 000000000..d6d4c5e51
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diff --git a/test/browser/media/dash/chunk-1-00002.m4s b/test/browser/media/dash/chunk-1-00002.m4s
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diff --git a/test/browser/media/dash/chunk-1-00003.m4s b/test/browser/media/dash/chunk-1-00003.m4s
new file mode 100644
index 000000000..e8ebe1df2
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diff --git a/test/browser/media/dash/chunk-1-00004.m4s b/test/browser/media/dash/chunk-1-00004.m4s
new file mode 100644
index 000000000..562188ec8
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diff --git a/test/browser/media/dash/chunk-1-00005.m4s b/test/browser/media/dash/chunk-1-00005.m4s
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index 000000000..9bb58d078
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diff --git a/test/browser/media/dash/chunk-1-00006.m4s b/test/browser/media/dash/chunk-1-00006.m4s
new file mode 100644
index 000000000..5c22671ec
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diff --git a/test/browser/media/dash/chunk-2-00001.m4s b/test/browser/media/dash/chunk-2-00001.m4s
new file mode 100644
index 000000000..9fd0e0ed5
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diff --git a/test/browser/media/dash/chunk-2-00002.m4s b/test/browser/media/dash/chunk-2-00002.m4s
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diff --git a/test/browser/media/dash/chunk-2-00003.m4s b/test/browser/media/dash/chunk-2-00003.m4s
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diff --git a/test/browser/media/dash/chunk-2-00004.m4s b/test/browser/media/dash/chunk-2-00004.m4s
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diff --git a/test/browser/media/dash/chunk-2-00005.m4s b/test/browser/media/dash/chunk-2-00005.m4s
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diff --git a/test/browser/media/dash/chunk-2-00006.m4s b/test/browser/media/dash/chunk-2-00006.m4s
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index 000000000..c124a7c8a
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diff --git a/test/browser/media/dash/chunk-3-00001.m4s b/test/browser/media/dash/chunk-3-00001.m4s
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diff --git a/test/browser/media/dash/chunk-3-00002.m4s b/test/browser/media/dash/chunk-3-00002.m4s
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diff --git a/test/browser/media/dash/chunk-3-00003.m4s b/test/browser/media/dash/chunk-3-00003.m4s
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index 000000000..f43397911
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diff --git a/test/browser/media/dash/chunk-3-00004.m4s b/test/browser/media/dash/chunk-3-00004.m4s
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index 000000000..1529c4ae0
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diff --git a/test/browser/media/dash/chunk-3-00005.m4s b/test/browser/media/dash/chunk-3-00005.m4s
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diff --git a/test/browser/media/dash/chunk-3-00006.m4s b/test/browser/media/dash/chunk-3-00006.m4s
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index 000000000..4aa3dbcc4
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diff --git a/test/browser/media/dash/init-0.m4s b/test/browser/media/dash/init-0.m4s
new file mode 100644
index 000000000..7454bebc8
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diff --git a/test/browser/media/dash/init-1.m4s b/test/browser/media/dash/init-1.m4s
new file mode 100644
index 000000000..ceaecc43f
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diff --git a/test/browser/media/dash/init-2.m4s b/test/browser/media/dash/init-2.m4s
new file mode 100644
index 000000000..deab9dc46
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diff --git a/test/browser/media/dash/init-3.m4s b/test/browser/media/dash/init-3.m4s
new file mode 100644
index 000000000..deab9dc46
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diff --git a/test/browser/media/dash/manifest.json b/test/browser/media/dash/manifest.json
new file mode 100644
index 000000000..010abb238
--- /dev/null
+++ b/test/browser/media/dash/manifest.json
@@ -0,0 +1,222 @@
+{
+ "kind": "generated-dash-media",
+ "version": "ffmpeg version 2025-11-12-git-6cdd2cbe32-full_build-www.gyan.dev Copyright (c) 2000-2025 the FFmpeg developers",
+ "duration": 12,
+ "videoHeights": [
+ 90,
+ 180
+ ],
+ "audio": [
+ {
+ "lang": "en",
+ "frequency": 440
+ },
+ {
+ "lang": "fr",
+ "frequency": 880
+ }
+ ],
+ "commands": [
+ [
+ "-hide_banner",
+ "-loglevel",
+ "error",
+ "-n",
+ "-f",
+ "lavfi",
+ "-i",
+ "testsrc2=size=160x90:rate=24",
+ "-f",
+ "lavfi",
+ "-i",
+ "testsrc2=size=320x180:rate=24",
+ "-f",
+ "lavfi",
+ "-i",
+ "sine=frequency=440:sample_rate=48000",
+ "-f",
+ "lavfi",
+ "-i",
+ "sine=frequency=880:sample_rate=48000",
+ "-t",
+ "12",
+ "-map",
+ "0:v",
+ "-map",
+ "1:v",
+ "-map",
+ "2:a",
+ "-map",
+ "3:a",
+ "-c:v",
+ "libx264",
+ "-pix_fmt",
+ "yuv420p",
+ "-profile:v",
+ "baseline",
+ "-level:v",
+ "3.0",
+ "-b:v:0",
+ "150k",
+ "-b:v:1",
+ "350k",
+ "-g",
+ "48",
+ "-keyint_min",
+ "48",
+ "-sc_threshold",
+ "0",
+ "-c:a",
+ "aac",
+ "-b:a",
+ "48k",
+ "-ac",
+ "2",
+ "-metadata:s:a:0",
+ "language=en",
+ "-metadata:s:a:1",
+ "language=fr",
+ "-f",
+ "dash",
+ "-seg_duration",
+ "2",
+ "-use_template",
+ "1",
+ "-use_timeline",
+ "1",
+ "-adaptation_sets",
+ "id=0,streams=0,1 id=1,streams=2 id=2,streams=3",
+ "-init_seg_name",
+ "init-$RepresentationID$.m4s",
+ "-media_seg_name",
+ "chunk-$RepresentationID$-$Number%05d$.m4s",
+ "master.mpd"
+ ]
+ ],
+ "files": {
+ "chunk-0-00001.m4s": {
+ "sha256": "0bc9f5c9bfc50526dfdc0241ac5d2da2332097d738450a41887bceb8d0b1f305",
+ "bytes": 32029
+ },
+ "chunk-0-00002.m4s": {
+ "sha256": "a3baefa3f68381a844419beabdee422dc4298c102a7b45a9da16d89b74f461fc",
+ "bytes": 41742
+ },
+ "chunk-0-00003.m4s": {
+ "sha256": "f2540e0a1871967a910e25567aa19ce9aaef002bba84f8cdda8ca9bbc8abd40e",
+ "bytes": 36346
+ },
+ "chunk-0-00004.m4s": {
+ "sha256": "21905f15e90b22cd868d55924d44723b9a02a7b1132384a60b526e49646e9e07",
+ "bytes": 41226
+ },
+ "chunk-0-00005.m4s": {
+ "sha256": "9d0cb0486da40f3a4e6819a5964d4db945305d328cce6ce2c21a60a57c413f42",
+ "bytes": 35119
+ },
+ "chunk-0-00006.m4s": {
+ "sha256": "f52fd4ecf9d0276261b183c6e44096ad2f28267a5f2a0a15ac65cec8705b605f",
+ "bytes": 38357
+ },
+ "chunk-1-00001.m4s": {
+ "sha256": "389d6f02741679ed7ef43f529bbec746b5e1b62a97519ca80be16f114e76845c",
+ "bytes": 72180
+ },
+ "chunk-1-00002.m4s": {
+ "sha256": "5cc737843b84a064acb65d985b2ea7ff151c26937f5bf48cacdf0f39c9e60122",
+ "bytes": 94545
+ },
+ "chunk-1-00003.m4s": {
+ "sha256": "2a1b56d88858f3d9b6070ab8645d878b12f8baa29c567b038d190f89c2f863e6",
+ "bytes": 84303
+ },
+ "chunk-1-00004.m4s": {
+ "sha256": "be7198ae2b2d04e27748fcbe8669734a7ead3a51c25fb7f1c9d981740bf5f92d",
+ "bytes": 95672
+ },
+ "chunk-1-00005.m4s": {
+ "sha256": "502e3dd1ce6ca85c442ba849e605a1b0cb1ca23472af6fe6e0dacaea8a38d5dc",
+ "bytes": 82244
+ },
+ "chunk-1-00006.m4s": {
+ "sha256": "34d6e27576dc3c834d0aff9e5925581a899c354c4fdd34fc639cc63f9807c62f",
+ "bytes": 90139
+ },
+ "chunk-2-00001.m4s": {
+ "sha256": "23eaaffa433ed1808f57b95e14b85fba15b2d7e8eea6c51fd02ce409dbccf7de",
+ "bytes": 12437
+ },
+ "chunk-2-00002.m4s": {
+ "sha256": "f40e15cb8d377dcd4eeac508493694e4a131fd4a0d970ff2636b1b40fc728f0a",
+ "bytes": 12641
+ },
+ "chunk-2-00003.m4s": {
+ "sha256": "e1a1f49359d23f460f9b0a32df5f5da7ba6d234fe59cc4a9c0a5f7e201fed643",
+ "bytes": 12663
+ },
+ "chunk-2-00004.m4s": {
+ "sha256": "a5b0625a33a62cf2b73414c92b7c9f6ac945650d3ff6dadaff26705d10920bf6",
+ "bytes": 12657
+ },
+ "chunk-2-00005.m4s": {
+ "sha256": "ed446e2eb99474765e9b0eb40728bd5d79eba79e74b5fa688a0dbddfb3f4b82a",
+ "bytes": 12682
+ },
+ "chunk-2-00006.m4s": {
+ "sha256": "6b969d834a87836f84eac8769fba2962c8303aacbb832f4710e642a371c6e38e",
+ "bytes": 13008
+ },
+ "chunk-3-00001.m4s": {
+ "sha256": "9171ffc0421c4dc0f874eb8801c2df0b4bf312981a8841455b13081cca1b0feb",
+ "bytes": 12453
+ },
+ "chunk-3-00002.m4s": {
+ "sha256": "da7a827ad08e9b48647f2bc6c90d5db1b53ef15965575d38b7e9facbddd37fc1",
+ "bytes": 12644
+ },
+ "chunk-3-00003.m4s": {
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+ "bytes": 12643
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+ "bytes": 12678
+ },
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+ "bytes": 12582
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+ "bytes": 13077
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+ },
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+ "bytes": 828
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+ "bytes": 764
+ },
+ "master.mpd": {
+ "sha256": "6a4cb0a956861dee9aff1c592525c41fb4cf660be86b4c3892a91a46aeec53ef",
+ "bytes": 2986
+ },
+ "single.mpd": {
+ "sha256": "bdbd8a027281cefec1d4021d7e5a2731875188eb331612bc35eef75f265a700b",
+ "bytes": 1227
+ },
+ "video-only.mpd": {
+ "sha256": "b7f8d37c023810ecc38a2564d4644eda4b5a0b0dd2d10dfd39f70a4b49be0566",
+ "bytes": 1622
+ }
+ }
+}
diff --git a/test/browser/media/dash/master.mpd b/test/browser/media/dash/master.mpd
new file mode 100644
index 000000000..0ae2c7dd3
--- /dev/null
+++ b/test/browser/media/dash/master.mpd
@@ -0,0 +1,57 @@
+
+
+
+
+
+
+
+
+
+
+
+