Merge branch 'main' into sbd

2024-04-30 14:40:46 -07:00 · 2024-04-30 14:40:46 -07:00 · f626faf684
parent e8657721cd fe885b3ade
commit f626faf684
184 changed files with 3038 additions and 407 deletions
--- a/.github/workflows/build-docker.yaml
+++ b/.github/workflows/build-docker.yaml
@ -27,7 +27,7 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
        with:
          ref: ${{ inputs.ref }}
          submodules: recursive
--- a/.github/workflows/build-docs.yaml
+++ b/.github/workflows/build-docs.yaml
@ -40,7 +40,7 @@ jobs:
              breathe

      - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
        with:
          ref: ${{ inputs.ref }}

@ -66,12 +66,12 @@ jobs:
          chmod -R +rX gh-pages/

      - name: Upload docs artifacts
-        uses: actions/upload-pages-artifact@v2
+        uses: actions/upload-pages-artifact@v3
        with:
          path: gh-pages

      - name: Debug
-        uses: mxschmitt/action-tmate@v3.6
+        uses: mxschmitt/action-tmate@v3.17
        with:
          limit-access-to-actor: true
        if: failure() && inputs.debug
--- a/.github/workflows/build-matrix.json
+++ b/.github/workflows/build-matrix.json
@ -9,12 +9,21 @@
      "generator": "Ninja"
    },
    {
-      "os": "macos-latest",
+      "comment": "Explicit macOS version 13 is required for explicit x64 CPU.",
+      "os": "macos-13",
      "os_name": "osx",
      "target_arch": "x64",
      "exe_ext": "",
      "generator": "Ninja"
    },
+    {
+      "comment": "Explicit macOS version 14 is required for explicit arm64 CPU.",
+      "os": "macos-14",
+      "os_name": "osx",
+      "target_arch": "arm64",
+      "exe_ext": "",
+      "generator": "Ninja"
+    },
    {
      "os": "windows-latest",
      "os_name": "win",
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@ -44,7 +44,7 @@ jobs:
      INCLUDE: ${{ steps.configure.outputs.INCLUDE }}
      OS: ${{ steps.configure.outputs.OS }}
    steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
        with:
          ref: ${{ inputs.ref }}

@ -92,10 +92,11 @@ jobs:
        run: git config --global core.autocrlf false

      - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
        with:
          ref: ${{ inputs.ref }}
          submodules: recursive
+          fetch-tags: true

      - name: Install Linux deps
        if: runner.os == 'Linux'
@ -108,7 +109,7 @@ jobs:
          kitware_key_path="/usr/share/keyrings/kitware-archive-keyring.gpg"
          kitware_sources_path="/etc/apt/sources.list.d/kitware.list"

-          wget -O - "$kitware_key_url" 2>/dev/null | gpg --dearmor - \
+          curl -sL "$kitware_key_url" | gpg --dearmor - \
              | sudo tee "$kitware_key_path" >/dev/null

          . /etc/lsb-release  # Defines $DISTRIB_CODENAME (jammy, focal, etc)
@ -127,6 +128,28 @@ jobs:
        run: |
          brew install ninja

+      - name: Check Mac CPU architecture
+        if: runner.os == 'macOS'
+        # In case we get confused about GitHub's mac VM image labels,
+        # explicitly check that the CPU type matches our expectations.
+        run: |
+          if [[ "${{matrix.target_arch}}" == "arm64" ]]; then
+            CORRECT_LABEL="arm64"
+          else
+            CORRECT_LABEL="x86_64"
+          fi
+
+          LABEL=$(uname -m)
+          echo "Hardware label: \"$LABEL\""
+
+          if [[ "$LABEL" != "$CORRECT_LABEL" ]]; then
+            echo "Wrong hardware label \"$LABEL\", expecting \"$CORRECT_LABEL\"."
+            echo "Full uname string: $(uname -a)"
+            echo "Full sysctl CPU info:"
+            sysctl machdep.cpu
+            exit 1
+          fi
+
      - name: Generate build files
        run: |
          mkdir -p build/
@ -149,9 +172,32 @@ jobs:
            export PACKAGER_LOW_MEMORY_BUILD=yes
          fi

+          # Do fully static release builds on Linux.
+          BUILD_CONFIG="${{ matrix.build_type }}-${{ matrix.lib_type }}"
+          if [[ "${{ runner.os }}" == "Linux" && \
+                "$BUILD_CONFIG" == "Release-static" ]]; then
+            # Enable build settings for fully-static.
+            FULLY_STATIC="ON"
+
+            # Use a musl toolchain, since glibc static executables are not
+            # portable.
+            if [[ "${{matrix.target_arch}}" == "arm64" ]]; then
+              MUSL_ARCH="aarch64"
+            else
+              MUSL_ARCH="x86_64"
+            fi
+            curl -LO https://musl.cc/"$MUSL_ARCH"-linux-musl-native.tgz
+            tar xf "$MUSL_ARCH"-linux-musl-native.tgz
+            export CC=`pwd`/"$MUSL_ARCH"-linux-musl-native/bin/"$MUSL_ARCH"-linux-musl-gcc
+            export CXX=`pwd`/"$MUSL_ARCH"-linux-musl-native/bin/"$MUSL_ARCH"-linux-musl-g++
+          else
+            FULLY_STATIC="OFF"
+          fi
+
          cmake \
            -DCMAKE_BUILD_TYPE="${{ matrix.build_type }}" \
            -DBUILD_SHARED_LIBS="$BUILD_SHARED_LIBS" \
+            -DFULLY_STATIC="$FULLY_STATIC" \
            -S . \
            -B build/

@ -166,7 +212,7 @@ jobs:
        run: ctest -C "${{ matrix.build_type }}" -V --test-dir build/

      - name: Publish Test Report
-        uses: mikepenz/action-junit-report@150e2f992e4fad1379da2056d1d1c279f520e058
+        uses: mikepenz/action-junit-report@v4
        if: ${{ always() }}
        with:
          report_paths: 'junit-reports/TEST-*.xml'
@ -179,7 +225,21 @@ jobs:
            exit 0
          fi

-          # TODO: Check static executables?
+          # Check static executables
+          if [[ "${{ runner.os }}" == "Linux" ]]; then
+            echo "::group::Check static executables"
+            for exe in build/packager/{packager,mpd_generator}; do
+              # Capture information about the executables, but also let it be
+              # logged to stdout.
+              ldd "$exe" | tee static.log
+              # The phrase "statically linked" means we got it right.  Fail if
+              # we don't find it.
+              if ! cat static.log | grep -q statically; then
+                exit 1
+              fi
+            done
+            echo "::endgroup::"
+          fi

          echo "::group::Prepare artifacts folder"
          mkdir artifacts
@ -217,7 +277,7 @@ jobs:
          fi

      - name: Upload static release build artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
        if: matrix.build_type == 'Release' && matrix.lib_type == 'static'
        with:
          name: artifacts-${{ matrix.os_name }}-${{ matrix.target_arch }}
@ -226,7 +286,7 @@ jobs:
          retention-days: 5

      - name: Debug
-        uses: mxschmitt/action-tmate@v3.6
+        uses: mxschmitt/action-tmate@v3.17
        with:
          limit-access-to-actor: true
        if: failure() && inputs.debug
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@ -27,7 +27,7 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
        with:
          ref: ${{ inputs.ref }}
          # We must use 'fetch-depth: 2', or else the linter won't have another
--- a/.github/workflows/publish-docker.yaml
+++ b/.github/workflows/publish-docker.yaml
@ -43,10 +43,11 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
        with:
          ref: ${{ inputs.tag }}
          submodules: recursive
+          fetch-tags: true

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
@ -57,6 +58,11 @@ jobs:
      - name: Push to Docker Hub
        uses: docker/build-push-action@v5
        with:
+          # Important: use actions/checkout source, which has the right tags!
+          # Without context: ., this action will try to fetch git source
+          # itself, and it will be unable to determine the correct version
+          # number.
+          context: .
          push: true
          tags: ${{ secrets.DOCKERHUB_PACKAGE_NAME }}:${{ inputs.tag }}

@ -64,5 +70,10 @@ jobs:
        if: ${{ inputs.latest }}
        uses: docker/build-push-action@v5
        with:
+          # Important: use actions/checkout source, which has the right tags!
+          # Without context: ., this action will try to fetch git source
+          # itself, and it will be unable to determine the correct version
+          # number.
+          context: .
          push: true
          tags: ${{ secrets.DOCKERHUB_PACKAGE_NAME }}:latest
--- a/.github/workflows/publish-docs.yaml
+++ b/.github/workflows/publish-docs.yaml
@ -48,4 +48,4 @@ jobs:
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
-        uses: actions/deploy-pages@v2
+        uses: actions/deploy-pages@v4
--- a/.github/workflows/publish-npm.yaml
+++ b/.github/workflows/publish-npm.yaml
@ -41,10 +41,9 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
        with:
          ref: ${{ inputs.tag }}
-          submodules: recursive

      - uses: actions/setup-node@v4
        with:
--- a/.github/workflows/release-please.yaml
+++ b/.github/workflows/release-please.yaml
@ -13,27 +13,28 @@ on:
      - v[0-9]*

 jobs:
+  settings:
+    name: Settings
+    uses: ./.github/workflows/settings.yaml
+
  release:
    runs-on: ubuntu-latest
+    needs: settings
    outputs:
      release_created: ${{ steps.release.outputs.release_created }}
      tag_name: ${{ steps.release.outputs.tag_name }}
    steps:
      # Create/update release PR
-      - uses: google-github-actions/release-please-action@v3
+      - uses: google-github-actions/release-please-action@v4
        id: release
        with:
-          # Required input to specify the release type.  This is not really a
-          # go project, but go projects in release-please only update
-          # CHANGELOG.md and nothing else.  This is what we want.
-          release-type: go
          # Make sure we create the PR against the correct branch.
-          default-branch: ${{ github.ref_name }}
+          target-branch: ${{ github.ref_name }}
          # Use a special shaka-bot access token for releases.
          token: ${{ secrets.RELEASE_PLEASE_TOKEN || secrets.GITHUB_TOKEN }}
-          # Temporary settings to bootstrap v3.0.0.
-          last-release-sha: 634af6591ce8c701587a78042ae7f81761725710
-          bootstrap-sha: 634af6591ce8c701587a78042ae7f81761725710
+          # See also settings in these files:
+          manifest-file: .release-please-manifest.json
+          config-file: .release-please-config.json

  # The jobs below are all conditional on a release having been created by
  # someone merging the release PR.
@ -51,10 +52,9 @@ jobs:
    outputs:
      latest: ${{ steps.compute.outputs.latest }}
    steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
        with:
          fetch-tags: true
-          persist-credentials: false

      - name: Compute latest
        id: compute
@ -101,11 +101,13 @@ jobs:
  # Do a complete build
  build:
    name: Build
-    needs: release
+    needs: [settings, release]
    if: needs.release.outputs.release_created
    uses: ./.github/workflows/build.yaml
    with:
      ref: ${{ github.ref }}
+      self_hosted: ${{ needs.settings.outputs.self_hosted != '' }}
+      debug: ${{ needs.settings.outputs.debug != '' }}

  # Attach build artifacts to the release
  artifacts:
@ -114,22 +116,21 @@ jobs:
    needs: [release, build]
    if: needs.release.outputs.release_created
    steps:
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
        with:
          path: artifacts
+          merge-multiple: true

      - name: Debug
        run: find -ls

      - name: Attach packager to release
-        uses: svenstaro/upload-release-action@v2
-        with:
-          repo_token: ${{ secrets.GITHUB_TOKEN }}
-          tag: ${{ needs.release.outputs.tag_name }}
-          make_latest: false  # Already set for the release
-          file_glob: true
-          file: artifacts/artifacts*/*
-          overwrite: true
+        env:
+          GITHUB_TOKEN: ${{ secrets.RELEASE_PLEASE_TOKEN || secrets.GITHUB_TOKEN }}
+        run: |
+          gh -R ${{ github.repository }} release upload \
+              ${{ needs.release.outputs.tag_name }} artifacts/* \
+              --clobber

  # Surprisingly, Shaka Packager binaries can be installed via npm.
  # Publish NPM package updates.
--- a/.github/workflows/sync-labels.yaml
+++ b/.github/workflows/sync-labels.yaml
@ -18,7 +18,7 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
        with:
          repository: shaka-project/shaka-github-tools

--- a/.github/workflows/test-linux-distros.yaml
+++ b/.github/workflows/test-linux-distros.yaml
@ -29,7 +29,7 @@ jobs:
    outputs:
      MATRIX: ${{ steps.configure.outputs.MATRIX }}
    steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
        with:
          ref: ${{ inputs.ref }}

@ -65,7 +65,7 @@ jobs:
    runs-on: ubuntu-latest

    steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
        with:
          ref: ${{ inputs.ref }}
          submodules: recursive
--- a/.github/workflows/update-issues.yaml
+++ b/.github/workflows/update-issues.yaml
@ -17,7 +17,7 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
        with:
          repository: shaka-project/shaka-github-tools

--- a/.gitmodules
+++ b/.gitmodules
@ -34,3 +34,6 @@
 [submodule "packager/third_party/c-ares/source"]
 	path = packager/third_party/c-ares/source
 	url = https://github.com/c-ares/c-ares
+[submodule "packager/third_party/mimalloc/source"]
+	path = packager/third_party/mimalloc/source
+	url = https://github.com/microsoft/mimalloc
--- a/.release-please-config.json
+++ b/.release-please-config.json
@ -0,0 +1,11 @@
+{
+  "packages": {
+    ".": {
+      "include-component-in-tag": false,
+      "include-v-in-tag": true,
+      "component": "",
+      "release-type-comment": "This is not really a go project, but go projects in release-please only update CHANGELOG.md and nothing else.  This is what we want.",
+      "release-type": "go"
+    }
+  }
+}
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@ -0,0 +1,3 @@
+{
+  ".": "3.0.4"
+}
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@ -1,6 +1,117 @@
 # Changelog


+## [3.0.4](https://github.com/shaka-project/shaka-packager/compare/v3.0.3...v3.0.4) (2024-03-27)
+
+
+### Bug Fixes
+
+* BaseURL missing when MPD base path is empty ([#1380](https://github.com/shaka-project/shaka-packager/issues/1380)) ([90c3c3f](https://github.com/shaka-project/shaka-packager/commit/90c3c3f9b3e8e36706b9769e574aa316e8bbb351)), closes [#1378](https://github.com/shaka-project/shaka-packager/issues/1378)
+* Fix NPM binary selection on ARM Macs ([#1376](https://github.com/shaka-project/shaka-packager/issues/1376)) ([733af91](https://github.com/shaka-project/shaka-packager/commit/733af9128dfa7c46dd7a9fe3f8361ab50a829afe)), closes [#1375](https://github.com/shaka-project/shaka-packager/issues/1375)
+
+## [3.0.3](https://github.com/shaka-project/shaka-packager/compare/v3.0.2...v3.0.3) (2024-03-12)
+
+
+### Bug Fixes
+
+* Fix NPM binary publication ([#1371](https://github.com/shaka-project/shaka-packager/issues/1371)) ([4cb6536](https://github.com/shaka-project/shaka-packager/commit/4cb653606047b086affc111321187c7889fa238a)), closes [#1369](https://github.com/shaka-project/shaka-packager/issues/1369)
+* Fix tags in official Docker images and binaries ([#1370](https://github.com/shaka-project/shaka-packager/issues/1370)) ([d83c7b1](https://github.com/shaka-project/shaka-packager/commit/d83c7b1d4505a08ef578390115cf28bea77404c2)), closes [#1366](https://github.com/shaka-project/shaka-packager/issues/1366)
+
+## [3.0.2](https://github.com/shaka-project/shaka-packager/compare/v3.0.1...v3.0.2) (2024-03-07)
+
+
+### Bug Fixes
+
+* duplicate representation id for TTML when forced ordering is on ([#1364](https://github.com/shaka-project/shaka-packager/issues/1364)) ([0fd815a](https://github.com/shaka-project/shaka-packager/commit/0fd815a160cc4546ea0c13ac916727777f5cdd41)), closes [#1362](https://github.com/shaka-project/shaka-packager/issues/1362)
+
+## [3.0.1](https://github.com/shaka-project/shaka-packager/compare/v3.0.0...v3.0.1) (2024-03-05)
+
+
+### Bug Fixes
+
+* **CI:** Add Mac-arm64 to build matrix ([#1359](https://github.com/shaka-project/shaka-packager/issues/1359)) ([c456ad6](https://github.com/shaka-project/shaka-packager/commit/c456ad64d1291bcf057c22a5c34479fcb4bbda55))
+* **CI:** Add missing Linux arm64 builds to release ([9c033b9](https://github.com/shaka-project/shaka-packager/commit/9c033b9d40087a9a4eef6a013d17fd696c44459c))
+
+## [3.0.0](https://github.com/shaka-project/shaka-packager/compare/v2.6.1...v3.0.0) (2024-02-28)
+
+
+### ⚠ BREAKING CHANGES
+
+* Update all dependencies
+* Drop Python 2 support in all scripts
+* Replace glog with absl::log, tweak log output and flags
+* Replace gyp build system with CMake
+
+### Features
+
+* Add input support for EBU Teletext in MPEG-TS ([#1344](https://github.com/shaka-project/shaka-packager/issues/1344)) ([71c175d](https://github.com/shaka-project/shaka-packager/commit/71c175d4b8fd7dd1ebb2df8ce06c575f54666738))
+* Add install target to build system ([3e71302](https://github.com/shaka-project/shaka-packager/commit/3e71302ba46e5164db91495c5da5ba07fc88cfca))
+* Add PlayReady support in HLS. ([#1011](https://github.com/shaka-project/shaka-packager/issues/1011)) ([96efc5a](https://github.com/shaka-project/shaka-packager/commit/96efc5aa70c2152a242f36644100161bc562d3f7))
+* add startwithSAP/subsegmentstartswithSAP for audio tracks ([#1346](https://github.com/shaka-project/shaka-packager/issues/1346)) ([d23cce8](https://github.com/shaka-project/shaka-packager/commit/d23cce85b93263a4c7541d9761145be54dd1348d))
+* Add support for ALAC codec ([#1299](https://github.com/shaka-project/shaka-packager/issues/1299)) ([b68ec87](https://github.com/shaka-project/shaka-packager/commit/b68ec87f6a552c27882746a14415bb334041d86b))
+* Add support for single file TS for HLS ([#934](https://github.com/shaka-project/shaka-packager/issues/934)) ([4aa4b4b](https://github.com/shaka-project/shaka-packager/commit/4aa4b4b9aac08fdcf10954de37b9982761fa42c1))
+* Add support for the EXT-X-START tag ([#973](https://github.com/shaka-project/shaka-packager/issues/973)) ([76eb2c1](https://github.com/shaka-project/shaka-packager/commit/76eb2c1575d4c8b32782292dc5216c444a6f2b27))
+* Add xHE-AAC support ([#1092](https://github.com/shaka-project/shaka-packager/issues/1092)) ([5d998fc](https://github.com/shaka-project/shaka-packager/commit/5d998fca7fb1d3d9c98f5b26561f842edcb2a925))
+* Allow LIVE UDP WebVTT input ([#1349](https://github.com/shaka-project/shaka-packager/issues/1349)) ([89376d3](https://github.com/shaka-project/shaka-packager/commit/89376d3c4d3f3005de64dd4bc1668297024dfe46))
+* **DASH:** Add Label element. ([#1175](https://github.com/shaka-project/shaka-packager/issues/1175)) ([b1c5a74](https://github.com/shaka-project/shaka-packager/commit/b1c5a7433e1c148fb6648aadd36c14840e1a4b50))
+* **DASH:** Add video transfer characteristics. ([#1210](https://github.com/shaka-project/shaka-packager/issues/1210)) ([8465f5f](https://github.com/shaka-project/shaka-packager/commit/8465f5f020b5c6152d24107a6d164301e05c3176))
+* default text zero bias ([#1330](https://github.com/shaka-project/shaka-packager/issues/1330)) ([2ba67bc](https://github.com/shaka-project/shaka-packager/commit/2ba67bc24cf6116349ad16d3bfa1a121c95a3173))
+* Drop Python 2 support in all scripts ([3e71302](https://github.com/shaka-project/shaka-packager/commit/3e71302ba46e5164db91495c5da5ba07fc88cfca))
+* Generate the entire AV1 codec string when the colr atom is present ([#1205](https://github.com/shaka-project/shaka-packager/issues/1205)) ([cc9a691](https://github.com/shaka-project/shaka-packager/commit/cc9a691aef946dfb4d68077d3a741ef1b88d2f21)), closes [#1007](https://github.com/shaka-project/shaka-packager/issues/1007)
+* HLS / DASH support forced subtitle ([#1020](https://github.com/shaka-project/shaka-packager/issues/1020)) ([f73ad0d](https://github.com/shaka-project/shaka-packager/commit/f73ad0d9614ba5b1ba552385c0157b7017dba204))
+* Move all third-party deps into git submodules ([#1083](https://github.com/shaka-project/shaka-packager/issues/1083)) ([3e71302](https://github.com/shaka-project/shaka-packager/commit/3e71302ba46e5164db91495c5da5ba07fc88cfca))
+* order streams in manifest based on command-line order ([#1329](https://github.com/shaka-project/shaka-packager/issues/1329)) ([aad2a12](https://github.com/shaka-project/shaka-packager/commit/aad2a12a9d6b79abe511d66e9e8d936e0ba46cb4))
+* Parse MPEG-TS PMT ES language and maximum bitrate descriptors ([#369](https://github.com/shaka-project/shaka-packager/issues/369)) ([#1311](https://github.com/shaka-project/shaka-packager/issues/1311)) ([c09eb83](https://github.com/shaka-project/shaka-packager/commit/c09eb831b85c93eb122373ce82b64c354d68c3c1))
+* Portable, fully-static release executables on Linux ([#1351](https://github.com/shaka-project/shaka-packager/issues/1351)) ([9be7c2b](https://github.com/shaka-project/shaka-packager/commit/9be7c2b1ac63d2299ed8293c381ef5877003b5c4))
+* Replace glog with absl::log, tweak log output and flags ([3e71302](https://github.com/shaka-project/shaka-packager/commit/3e71302ba46e5164db91495c5da5ba07fc88cfca))
+* Replace gyp build system with CMake ([3e71302](https://github.com/shaka-project/shaka-packager/commit/3e71302ba46e5164db91495c5da5ba07fc88cfca)), closes [#1047](https://github.com/shaka-project/shaka-packager/issues/1047)
+* Respect the file mode for HttpFiles ([#1081](https://github.com/shaka-project/shaka-packager/issues/1081)) ([3e71302](https://github.com/shaka-project/shaka-packager/commit/3e71302ba46e5164db91495c5da5ba07fc88cfca))
+* This patch adds support for DTS:X Profile 2 audio in MP4 files. ([#1303](https://github.com/shaka-project/shaka-packager/issues/1303)) ([07f780d](https://github.com/shaka-project/shaka-packager/commit/07f780dae19d7953bd27b646d9410ed68b4b580e))
+* Update all dependencies ([3e71302](https://github.com/shaka-project/shaka-packager/commit/3e71302ba46e5164db91495c5da5ba07fc88cfca))
+* Write colr atom to muxed mp4 ([#1261](https://github.com/shaka-project/shaka-packager/issues/1261)) ([f264bef](https://github.com/shaka-project/shaka-packager/commit/f264befe868a9fbf054697a6d06218cc25de055d)), closes [#1202](https://github.com/shaka-project/shaka-packager/issues/1202)
+
+
+### Bug Fixes
+
+* Accept 100% when parsing WEBVTT regions ([#1006](https://github.com/shaka-project/shaka-packager/issues/1006)) ([e1b0c7c](https://github.com/shaka-project/shaka-packager/commit/e1b0c7c45431327fd3ce193514a5407d07b39b22)), closes [#1004](https://github.com/shaka-project/shaka-packager/issues/1004)
+* Add missing &lt;cstdint&gt; includes ([#1306](https://github.com/shaka-project/shaka-packager/issues/1306)) ([ba5c771](https://github.com/shaka-project/shaka-packager/commit/ba5c77155a6b0263f48f24f93033c7a386bc83b6)), closes [#1305](https://github.com/shaka-project/shaka-packager/issues/1305)
+* Always log to stderr by default ([#1350](https://github.com/shaka-project/shaka-packager/issues/1350)) ([35c2f46](https://github.com/shaka-project/shaka-packager/commit/35c2f4642830e1446701abe17ae6d3b96d6043ae)), closes [#1325](https://github.com/shaka-project/shaka-packager/issues/1325)
+* AudioSampleEntry size caluations due to bad merge ([#1354](https://github.com/shaka-project/shaka-packager/issues/1354)) ([615720e](https://github.com/shaka-project/shaka-packager/commit/615720e7dd9699f2d90c63d4bb6ac45c0e804d32))
+* dash_roles add role=description for DVS audio per DASH-IF-IOP-v4.3 ([#1054](https://github.com/shaka-project/shaka-packager/issues/1054)) ([dc03952](https://github.com/shaka-project/shaka-packager/commit/dc0395291a090b342beaab2e89c627dc33ee89b0))
+* Don't close upstream on HttpFile::Flush ([#1201](https://github.com/shaka-project/shaka-packager/issues/1201)) ([53d91cd](https://github.com/shaka-project/shaka-packager/commit/53d91cd0f1295a0c3456cb1a34e5235a0316c523)), closes [#1196](https://github.com/shaka-project/shaka-packager/issues/1196)
+* duration formatting and update mpd testdata to reflect new format ([#1320](https://github.com/shaka-project/shaka-packager/issues/1320)) ([56bd823](https://github.com/shaka-project/shaka-packager/commit/56bd823339bbb9ba94ed60a84c554864b42cf94a))
+* Fix build errors related to std::numeric_limits ([#972](https://github.com/shaka-project/shaka-packager/issues/972)) ([9996c73](https://github.com/shaka-project/shaka-packager/commit/9996c736aea79e0cce22bee18dc7dcabfffff47b))
+* Fix build on FreeBSD ([#1287](https://github.com/shaka-project/shaka-packager/issues/1287)) ([3e71302](https://github.com/shaka-project/shaka-packager/commit/3e71302ba46e5164db91495c5da5ba07fc88cfca))
+* Fix clang build ([#1288](https://github.com/shaka-project/shaka-packager/issues/1288)) ([3e71302](https://github.com/shaka-project/shaka-packager/commit/3e71302ba46e5164db91495c5da5ba07fc88cfca))
+* Fix failure on very short WebVTT files ([#1216](https://github.com/shaka-project/shaka-packager/issues/1216)) ([dab165d](https://github.com/shaka-project/shaka-packager/commit/dab165d3e5d979e2e5ff783d91d948357b932078)), closes [#1217](https://github.com/shaka-project/shaka-packager/issues/1217)
+* Fix handling of non-interleaved multi track FMP4 files ([#1214](https://github.com/shaka-project/shaka-packager/issues/1214)) ([dcf3225](https://github.com/shaka-project/shaka-packager/commit/dcf32258ffd725bc3de06c9bceb86fc8a403ecba)), closes [#1213](https://github.com/shaka-project/shaka-packager/issues/1213)
+* Fix issues with `collections.abc` in Python 3.10+ ([#1188](https://github.com/shaka-project/shaka-packager/issues/1188)) ([80e0240](https://github.com/shaka-project/shaka-packager/commit/80e024013df87a4bfeb265c8ea83cfa2a0c5db0f)), closes [#1192](https://github.com/shaka-project/shaka-packager/issues/1192)
+* Fix local files with UTF8 names ([#1246](https://github.com/shaka-project/shaka-packager/issues/1246)) ([3e71302](https://github.com/shaka-project/shaka-packager/commit/3e71302ba46e5164db91495c5da5ba07fc88cfca))
+* Fix missing newline at the end of usage ([#1352](https://github.com/shaka-project/shaka-packager/issues/1352)) ([6276584](https://github.com/shaka-project/shaka-packager/commit/6276584de784025380f46dca379795ed6ee42b8f))
+* Fix Python 3.10+ compatibility in scripts ([3e71302](https://github.com/shaka-project/shaka-packager/commit/3e71302ba46e5164db91495c5da5ba07fc88cfca))
+* Fix uninitialized value found by Valgrind ([#1336](https://github.com/shaka-project/shaka-packager/issues/1336)) ([7ef5167](https://github.com/shaka-project/shaka-packager/commit/7ef51671f1a221443bcd000ccb13189ee6ccf749))
+* Fix various build issues on macOS ([3e71302](https://github.com/shaka-project/shaka-packager/commit/3e71302ba46e5164db91495c5da5ba07fc88cfca))
+* Fix various build issues on Windows ([3e71302](https://github.com/shaka-project/shaka-packager/commit/3e71302ba46e5164db91495c5da5ba07fc88cfca))
+* hls, set the DEFAULT explicitly to NO. Supports native HLS players. ([#1170](https://github.com/shaka-project/shaka-packager/issues/1170)) ([1ab6818](https://github.com/shaka-project/shaka-packager/commit/1ab68188326685ab4e427e7a6eab0694e0b0b60a)), closes [#1169](https://github.com/shaka-project/shaka-packager/issues/1169)
+* http_file: Close upload cache on task exit ([#1348](https://github.com/shaka-project/shaka-packager/issues/1348)) ([6acdcc3](https://github.com/shaka-project/shaka-packager/commit/6acdcc394a1583b22c3c16cee3e419eea6c6e4f9)), closes [#1347](https://github.com/shaka-project/shaka-packager/issues/1347)
+* Indexing `bytes` produces `int` on python3 for `pssh-box.py` ([#1228](https://github.com/shaka-project/shaka-packager/issues/1228)) ([d9d3c7f](https://github.com/shaka-project/shaka-packager/commit/d9d3c7f8be13e493a99b2ff4b72a402c441c1666)), closes [#1227](https://github.com/shaka-project/shaka-packager/issues/1227)
+* Low Latency DASH: include the "availabilityTimeComplete=false" attribute ([#1198](https://github.com/shaka-project/shaka-packager/issues/1198)) ([d687ad1](https://github.com/shaka-project/shaka-packager/commit/d687ad1ed00da260c4f4e5169b042ef4291052a0))
+* misleading log output when HLS target duration updates (fixes [#969](https://github.com/shaka-project/shaka-packager/issues/969)) ([#971](https://github.com/shaka-project/shaka-packager/issues/971)) ([f7b3986](https://github.com/shaka-project/shaka-packager/commit/f7b3986818915ab3d7d3dc31b8316fcef0384294))
+* **MP4:** Add compatible brand dby1 for Dolby content. ([#1211](https://github.com/shaka-project/shaka-packager/issues/1211)) ([520926c](https://github.com/shaka-project/shaka-packager/commit/520926c27ad0d183127e4548c4564af33a2ad2f3))
+* Parse one frame mpeg-ts video ([#1015](https://github.com/shaka-project/shaka-packager/issues/1015)) ([b221aa9](https://github.com/shaka-project/shaka-packager/commit/b221aa9caf4f8357a696f3265d1e2a5bf504dbd9)), closes [#1013](https://github.com/shaka-project/shaka-packager/issues/1013)
+* preserve case for stream descriptors ([#1321](https://github.com/shaka-project/shaka-packager/issues/1321)) ([5d44368](https://github.com/shaka-project/shaka-packager/commit/5d44368478bbd0cd8bd06f0dfa739f8cfa032ddc))
+* Prevent crash in GetEarliestTimestamp() if periods are empty ([#1173](https://github.com/shaka-project/shaka-packager/issues/1173)) ([d6f28d4](https://github.com/shaka-project/shaka-packager/commit/d6f28d456c6ec5ecf39c868447d85294a698166d)), closes [#1172](https://github.com/shaka-project/shaka-packager/issues/1172)
+* PTS diverge DTS when DTS close to 2pow33 and PTS more than 0 ([#1050](https://github.com/shaka-project/shaka-packager/issues/1050)) ([ab8ab12](https://github.com/shaka-project/shaka-packager/commit/ab8ab12d098c352372014180bd2cb5407e018739)), closes [#1049](https://github.com/shaka-project/shaka-packager/issues/1049)
+* remove extra block assumptions in mbedtls integration ([#1323](https://github.com/shaka-project/shaka-packager/issues/1323)) ([db59ad5](https://github.com/shaka-project/shaka-packager/commit/db59ad582a353fa1311563bdde93c49449159859)), closes [#1316](https://github.com/shaka-project/shaka-packager/issues/1316)
+* Restore support for legacy FairPlay system ID ([#1357](https://github.com/shaka-project/shaka-packager/issues/1357)) ([4d22e99](https://github.com/shaka-project/shaka-packager/commit/4d22e99f8e7777557f5de3d5439f7e7b397e4323))
+* Roll back depot_tools, bypass vpython ([#1045](https://github.com/shaka-project/shaka-packager/issues/1045)) ([3fd538a](https://github.com/shaka-project/shaka-packager/commit/3fd538a587184a87e2b41a526e089247007aa526)), closes [#1023](https://github.com/shaka-project/shaka-packager/issues/1023)
+* set array_completeness in HEVCDecoderConfigurationRecord correctly ([#975](https://github.com/shaka-project/shaka-packager/issues/975)) ([270888a](https://github.com/shaka-project/shaka-packager/commit/270888abb12b2181ff84071f2c2685bd196de6fe))
+* TTML generator timestamp millisecond formatting ([#1179](https://github.com/shaka-project/shaka-packager/issues/1179)) ([494769c](https://github.com/shaka-project/shaka-packager/commit/494769ca864e04d582f707934a6573cad78d2e8c)), closes [#1180](https://github.com/shaka-project/shaka-packager/issues/1180)
+* Update golden files for ttml tests and failing hls unit tests. ([#1226](https://github.com/shaka-project/shaka-packager/issues/1226)) ([ac47e52](https://github.com/shaka-project/shaka-packager/commit/ac47e529ad7b69cc232f7f96e2a042990505776f))
+* Update to use official FairPlay UUID. ([#1281](https://github.com/shaka-project/shaka-packager/issues/1281)) ([ac59b9e](https://github.com/shaka-project/shaka-packager/commit/ac59b9ebc94018b216c657854ca5163c9d2e7f31))
+* use a better estimate of frame rate for cases with very short first sample durations ([#838](https://github.com/shaka-project/shaka-packager/issues/838)) ([5644041](https://github.com/shaka-project/shaka-packager/commit/56440413aa32a13cbfbb41a6d5ee611bae02ab2e))
+* webvtt single cue do not fail on EOS ([#1061](https://github.com/shaka-project/shaka-packager/issues/1061)) ([b9d477b](https://github.com/shaka-project/shaka-packager/commit/b9d477b969f34124dfe184b4ac1d00ea8faf0a7d)), closes [#1018](https://github.com/shaka-project/shaka-packager/issues/1018)
+
 ## [2.6.1] - 2021-10-14
 ### Fixed
 - Fix crash in static-linked linux builds (#996)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -15,14 +15,18 @@ include("packager/policies.cmake")
 # Project name.  May not contain spaces.  Versioning is managed elsewhere.
 project(shaka-packager VERSION "")

-# The only build option for Shaka Packager is whether to build a shared
-# libpackager library.  By default, don't.
+# Whether to build a shared libpackager library.  By default, don't.
 option(BUILD_SHARED_LIBS "Build libpackager as a shared library" OFF)

+# Whether to attempt a static linking of the command line front-end.
+# Only supported on Linux and with musl.  This will also cause us to link
+# against mimalloc to replace the standard allocator in musl, which is slow.
+option(FULLY_STATIC "Attempt fully static linking of all CLI apps" OFF)
+
 # Enable CMake's test infrastructure.
 enable_testing()

-option(SKIP_INTEGRATION_TESTS "Skip the packager integration tests" ON)
+option(SKIP_INTEGRATION_TESTS "Skip the packager integration tests" OFF)

 # Subdirectories with their own CMakeLists.txt
 add_subdirectory(packager)
--- a/1
+++ b/1
@ -54,6 +54,7 @@ Sanil Raut <sr1990003@gmail.com>
 Sergio Ammirata <sergio@ammirata.net>
 Thomas Inskip <tinskip@google.com>
 Tim Lansen <tim.lansen@gmail.com>
+Torbjörn Einarsson <torbjorn.einarsson@eyevinn.se>
 Vincent Nguyen <nvincen@amazon.com>
 Weiguo Shao <weiguo.shao@dolby.com>

--- a/docs/source/build_instructions.md
+++ b/docs/source/build_instructions.md
@ -106,6 +106,18 @@ After configuring CMake you can run the build with
 cmake --build build --parallel
 ```

+To build portable, fully-static executables on Linux, you will need either musl
+as your system libc, or a musl toolchain.  (See [musl.cc](https://musl.cc).
+To create a portable, fully-static build for Linux, configure CMake with:
+
+```shell
+  -DCMAKE_BUILD_TYPE=Release \
+  -DBUILD_SHARED_LIBS="OFF" \
+  -DFULLY_STATIC="ON" \
+  -DCMAKE_C_COMPILER=/path/to/x86_64-linux-musl-gcc \
+  -DCMAKE_CXX_COMPILER=/path/to/x86_64-linux-musl-g++
+```
+
 #### Windows

 Windows build instructions are similar. Using Tools > Command Line >
--- a/docs/source/options/dash_stream_descriptors.rst
+++ b/docs/source/options/dash_stream_descriptors.rst
@ -10,7 +10,10 @@ DASH specific stream descriptor fields

 :dash_roles (roles):

-    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**,
-    **supplementary**, **commentary**, **description**, **dub** and **forced-subtitle** .
+    **supplementary**, **commentary**, **dub**, **description**, **sign**,
+    **metadata**, **enhanced-audio- intelligibility**, **emergency**,
+    **forced-subtitle**, **easyreader**, and **karaoke**.
+
    See DASH (ISO/IEC 23009-1) specification for details.
--- a/docs/source/options/stream_descriptors.rst
+++ b/docs/source/options/stream_descriptors.rst
@ -60,6 +60,20 @@ These are the available fields:
    For subtitles in MP4, you can specify 'vtt+mp4' or 'ttml+mp4' to control
    which text format is used.

+:input_format (format):
+
+    Optional value which specifies the format of the input files or
+    streams. If not specified, it will be autodetected, which in some
+    cases may fail.
+
+    For example, a live UDP WebVTT input stream may be up and streaming
+    long before a shaka packager instance consumes it, and therefore
+    shaka packager never gets the initial "WEBVTT" header string. In
+    such a case, shaka packager can't properly autodetect the stream
+    format as WebVTT, and thus doesn't process it. But stating
+    'input_format=webvtt' as selector parameter will tell shaka packager
+    to omit autodetection and consider WebVTT format for that stream.
+
 :trick_play_factor (tpf):

    Optional value which specifies the trick play, a.k.a. trick mode, stream
--- a/docs/source/tutorials/text.rst
+++ b/docs/source/tutorials/text.rst
@ -45,3 +45,9 @@ Examples
      in=in_en.vtt,stream=text,language=en,output=out_en.mp4 \
      in=in_sp.vtt,stream=text,language=sp,output=out_sp.mp4 \
      in=in_fr.vtt,stream=text,language=fr,output=out_fr.mp4
+
+* Get a single 3-digit page from DVB-teletext and set language for output formats stpp (TTML in mp4), wvtt (WebVTT in mp4) and HLS WebVTT::
+
+    $ packager in=input.ts,stream=text,cc_index=888,lang=en,format=ttml+mp4,output=output.mp4
+    $ packager in=input.ts,stream=text,cc_index=888,lang=en,output=output.mp4
+    $ packager in=input.ts,stream=text,cc_index=888,segment_template=text/$Number$.vtt,playlist_name=text/main.m3u8,hls_group_id=text,hls_name=ENGLISH
--- a/include/packager/packager.h
+++ b/include/packager/packager.h
@ -152,6 +152,11 @@ struct StreamDescriptor {
  /// Set to true to indicate that the stream is for hls only.
  bool hls_only = false;

+  /// Optional value which specifies input container format.
+  /// Useful for live streaming situations, like auto-detecting webvtt without
+  /// its initial header.
+  std::string input_format;
+
  /// Optional, indicates if this is a Forced Narrative subtitle stream.
  bool forced_subtitle = false;

--- a/link-test/CMakeLists.txt
+++ b/link-test/CMakeLists.txt
@ -13,7 +13,7 @@ if(BUILD_SHARED_LIBS)

  # Custom commands aren't targets, but have outputs.
  add_custom_command(
-    DEPENDS mpd_generator packager libpackager
+    DEPENDS mpd_generator packager libpackager pssh_box_py
    WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
    OUTPUT ${TEST_INSTALL_DIR}
    COMMAND
--- a/npm/.npmignore
+++ b/npm/.npmignore
@ -0,0 +1,8 @@
+# This file is required for us, even if empty.
+#
+# The default .npmignore would disallow bin/, which contains binaries for our
+# NPM release.  Every release before v3.0.3 was missing .npmignore, and
+# therefore had no binaries.  These were unusable in NPM, and have been marked
+# as deprecated because of it.
+#
+# See also https://github.com/shaka-project/shaka-packager/issues/1369
--- a/npm/index.js
+++ b/npm/index.js
@ -13,6 +13,7 @@ var commandNames = {
  },
  darwin: {
    'x64': 'packager-osx-x64',
+    'arm64': 'packager-osx-arm64',
  },
  win32: {
    'x64': 'packager-win-x64.exe',
--- a/npm/prepublish.js
+++ b/npm/prepublish.js
@ -14,6 +14,7 @@ var commandNames = {
  },
  darwin: {
    'x64': 'packager-osx-x64',
+    'arm64': 'packager-osx-arm64',
  },
  win32: {
    'x64': 'packager-win-x64.exe',
--- a/packager/CMakeLists.txt
+++ b/packager/CMakeLists.txt
@ -57,12 +57,20 @@ include_directories(..)
 # Public include folder, to reference public headers as packager/foo.h
 include_directories(../include)

+# Include settings for optional fully-static binaries.
+include("fully-static.cmake")
+
 # Include our module for gtest-based testing.
 include("gtest.cmake")

 # Include our module for building protos.
 include("protobuf.cmake")

+# Find Python3 used by integration tests, license notice and version string
+if(NOT Python3_EXECUTABLE)
+  find_package(Python3 COMPONENTS Interpreter REQUIRED)
+endif()
+
 # Subdirectories with their own CMakeLists.txt, all of whose targets are built.
 add_subdirectory(file)
 add_subdirectory(kv_pairs)
@ -171,6 +179,7 @@ target_link_libraries(packager
  libpackager
  license_notice
  string_utils
+  ${EXTRA_EXE_LIBRARIES}
 )

 add_executable(mpd_generator
@ -187,6 +196,7 @@ target_link_libraries(mpd_generator
  license_notice
  mpd_builder
  mpd_util
+  ${EXTRA_EXE_LIBRARIES}
  )

 add_executable(packager_test
@ -223,9 +233,22 @@ add_custom_target(packager_test_py_copy ALL

 if(NOT SKIP_INTEGRATION_TESTS)
  add_test (NAME packager_test_py
-    COMMAND ${PYTHON_EXECUTABLE} packager_test.py
+    COMMAND "${Python3_EXECUTABLE}" packager_test.py
    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
  )
+
+  set(test_environment_vars "PACKAGER_SRC_DIR=${CMAKE_SOURCE_DIR}")
+  list(APPEND test_environment_vars "PACKAGER_BIN=$<TARGET_FILE:packager>")
+  list(APPEND test_environment_vars "MPD_GENERATOR_BIN=$<TARGET_FILE:mpd_generator>")
+  if(BUILD_SHARED_LIBS)
+    list(APPEND test_environment_vars "BUILD_TYPE=shared")
+  else()
+    list(APPEND test_environment_vars "BUILD_TYPE=static")
+  endif()
+
+  set_tests_properties(packager_test_py PROPERTIES
+          ENVIRONMENT "${test_environment_vars}"
+  )
 endif()

 configure_file(packager.pc.in packager.pc @ONLY)
@ -233,12 +256,6 @@ configure_file(packager.pc.in packager.pc @ONLY)
 # Always install the binaries.
 install(TARGETS mpd_generator packager)

-# Always install the python tools.
-install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/pssh-box.py
-  DESTINATION ${CMAKE_INSTALL_BINDIR})
-install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/pssh-box-protos
-  DESTINATION ${CMAKE_INSTALL_BINDIR})
-
 # With shared libraries, also install the library, headers, and pkgconfig.
 # The static library isn't usable as a standalone because it doesn't include
 # its static dependencies (zlib, absl, etc).
--- a/packager/app/mpd_generator.cc
+++ b/packager/app/mpd_generator.cc
@ -31,6 +31,9 @@ ABSL_FLAG(std::string,
          "",
          "Packager version for testing. Should be used for testing only.");

+// From absl/log:
+ABSL_DECLARE_FLAG(int, stderrthreshold);
+
 namespace shaka {
 namespace {
 const char kUsage[] =
@ -109,6 +112,13 @@ int MpdMain(int argc, char** argv) {

  auto usage = absl::StrFormat(kUsage, argv[0]);
  absl::SetProgramUsageMessage(usage);
+
+  // Before parsing the command line, change the default value of some flags
+  // provided by libraries.
+
+  // Always log to stderr.  Log levels are still controlled by --minloglevel.
+  absl::SetFlag(&FLAGS_stderrthreshold, 0);
+
  absl::ParseCommandLine(argc, argv);

  if (absl::GetFlag(FLAGS_licenses)) {
--- a/packager/app/packager_main.cc
+++ b/packager/app/packager_main.cc
@ -58,6 +58,9 @@ ABSL_FLAG(bool,
          false,
          "If enabled, only use one thread when generating content.");

+// From absl/log:
+ABSL_DECLARE_FLAG(int, stderrthreshold);
+
 namespace shaka {
 namespace {

@ -89,6 +92,10 @@ const char kUsage[] =
    "  - output_format (format): Optional value which specifies the format\n"
    "    of the output files (MP4 or WebM).  If not specified, it will be\n"
    "    derived from the file extension of the output file.\n"
+    "  - input_format (format): Optional value which specifies the format\n"
+    "    of the input files or streams. If not specified, it will be\n"
+    "    autodetected, which in some cases (such as live UDP webvtt) may\n"
+    "    fail.\n"
    "  - skip_encryption=0|1: Optional. Defaults to 0 if not specified. If\n"
    "    it is set to 1, no encryption of the stream will be made.\n"
    "  - drm_label: Optional value for custom DRM label, which defines the\n"
@ -120,8 +127,9 @@ const char kUsage[] =
    "    in the format: scheme_id_uri=value.\n"
    "  - dash_roles (roles): Optional semicolon separated list of values for\n"
    "    DASH Role elements. The value should be one of: caption, subtitle, \n"
-    "    forced-subtitle, main, alternate, supplementary, commentary, \n"
-    "    description and dub. See DASH\n"
+    "    main, alternate, supplementary, commentary, dub, description, sign, \n"
+    "    metadata, enhanced-audio- intelligibility, emergency, \n"
+    "    forced-subtitle, easyreader, and karaoke. See DASH\n"
    "    (ISO/IEC 23009-1) specification for details.\n"
    "  - forced_subtitle: Optional boolean value (0|1). If set to 1 \n"
    "    indicates that this stream is a Forced Narrative subtitle that \n"
@ -129,7 +137,7 @@ const char kUsage[] =
    "    used to caption short portions of the audio that might be in a \n"
    "    foreign language. For DASH this will set role to forced_subtitle, \n"
    "    for HLS it will set FORCED=YES and AUTOSELECT=YES. \n"
-    "    Only valid for subtitles.";
+    "    Only valid for subtitles.\n";

 // Labels for parameters in RawKey key info.
 const char kDrmLabelLabel[] = "label";
@ -619,6 +627,12 @@ int PackagerMain(int argc, char** argv) {
  auto usage = absl::StrFormat(kUsage, argv[0]);
  absl::SetProgramUsageMessage(usage);

+  // Before parsing the command line, change the default value of some flags
+  // provided by libraries.
+
+  // Always log to stderr.  Log levels are still controlled by --minloglevel.
+  absl::SetFlag(&FLAGS_stderrthreshold, 0);
+
  auto remaining_args = absl::ParseCommandLine(argc, argv);
  if (absl::GetFlag(FLAGS_licenses)) {
    for (const char* line : kLicenseNotice)
--- a/packager/app/stream_descriptor.cc
+++ b/packager/app/stream_descriptor.cc
@ -41,6 +41,7 @@ enum FieldType {
  kHlsOnlyField,
  kDashLabelField,
  kForcedSubtitleField,
+  kInputFormatField,
 };

 struct FieldNameToTypeMapping {
@ -90,6 +91,7 @@ const FieldNameToTypeMapping kFieldNameTypeMappings[] = {
    {"hls_only", kHlsOnlyField},
    {"dash_label", kDashLabelField},
    {"forced_subtitle", kForcedSubtitleField},
+    {"input_format", kInputFormatField},
 };

 FieldType GetFieldType(const std::string& field_name) {
@ -271,6 +273,10 @@ std::optional<StreamDescriptor> ParseStreamDescriptor(
        }
        descriptor.forced_subtitle = forced_subtitle_value > 0;
        break;
+      case kInputFormatField: {
+        descriptor.input_format = pair.second;
+        break;
+      }
      default:
        LOG(ERROR) << "Unknown field in stream descriptor (\"" << pair.first
                   << "\").";
--- a/packager/app/test/packager_app.py
+++ b/packager/app/test/packager_app.py
@ -17,10 +17,8 @@ class PackagerApp(object):
  """Main integration class for testing the packager binaries."""

  def __init__(self):
-    self.packager_binary = os.path.join(test_env.SCRIPT_DIR,
-                                        self._GetBinaryName('packager'))
-    self.mpd_generator_binary = os.path.join(
-        test_env.SCRIPT_DIR, self._GetBinaryName('mpd_generator'))
+    self.packager_binary = test_env.PACKAGER_BIN
+    self.mpd_generator_binary = test_env.MPD_GENERATOR_BIN
    # Set this to empty for now in case GetCommandLine() is called before
    # Package().
    self.packaging_command_line = ''
@ -28,15 +26,10 @@ class PackagerApp(object):
        'Please run from output directory, e.g. out/Debug/packager_test.py\n'
        '  Missing: ' + self.packager_binary)

-  def _GetBinaryName(self, name):
-    if platform.system() == 'Windows':
-      name += '.exe'
-    return name
-
  def GetEnv(self):
    env = os.environ.copy()
    if (platform.system() == 'Darwin' and
-        test_env.options.libpackager_type == 'shared_library'):
+        test_env.BUILD_TYPE == 'shared'):
      env['DYLD_FALLBACK_LIBRARY_PATH'] = test_env.SCRIPT_DIR
    return env

--- a/packager/app/test/packager_test.py
+++ b/packager/app/test/packager_test.py
@ -498,6 +498,7 @@ class PackagerAppTest(unittest.TestCase):
                sbd_url_text=None,
                sbd_template_text=None,
                sbd_key_text=None):
+
    flags = ['--single_threaded']

    if not strip_parameter_set_nalus:
@ -609,8 +610,10 @@ class PackagerAppTest(unittest.TestCase):
    if allow_codec_switching:
      flags += ['--allow_codec_switching']

-    if force_cl_index:
+    if force_cl_index is True:
      flags += ['--force_cl_index']
+    elif force_cl_index is False:
+      flags += ['--noforce_cl_index']

    if ad_cues:
      flags += ['--ad_cues', ad_cues]
@ -793,7 +796,8 @@ class PackagerFunctionalTest(PackagerAppTest):
        self._GetStream('video', trick_play_factor=2),
    ]

-    self.assertPackageSuccess(streams, self._GetFlags(output_dash=True))
+    self.assertPackageSuccess(streams, self._GetFlags(output_dash=True,
+                                                      force_cl_index=False))
    self._CheckTestResults('audio-video-with-two-trick-play')

  def testAudioVideoWithTwoTrickPlayDecreasingRate(self):
@ -804,7 +808,8 @@ class PackagerFunctionalTest(PackagerAppTest):
        self._GetStream('video', trick_play_factor=1),
    ]

-    self.assertPackageSuccess(streams, self._GetFlags(output_dash=True))
+    self.assertPackageSuccess(streams, self._GetFlags(output_dash=True,
+                                                      force_cl_index=False))
    # Since the stream descriptors are sorted in packager app, a different
    # order of trick play factors gets the same mpd.
    self._CheckTestResults('audio-video-with-two-trick-play')
@ -1535,6 +1540,15 @@ class PackagerFunctionalTest(PackagerAppTest):
    self.assertPackageSuccess(streams, flags)
    self._CheckTestResults('flac-with-encryption', verify_decryption=True)

+  def testAlac(self):
+    streams = [
+      self._GetStream('audio', test_file='bear-alac.mp4'),
+    ]
+    flags = self._GetFlags(output_dash=True)
+
+    self.assertPackageSuccess(streams, flags)
+    self._CheckTestResults('audio-alac')
+
  def testAv1Mp4WithEncryption(self):
    self.assertPackageSuccess(
        self._GetStreams(['video'], test_files=['bear-av1.mp4']),
@ -1559,8 +1573,8 @@ class PackagerFunctionalTest(PackagerAppTest):

  # TODO(kqyang): Fix shared_library not supporting strip_parameter_set_nalus
  # problem.
-  @unittest.skipUnless(
-      test_env.options.libpackager_type == 'static_library',
+  @unittest.skipIf(
+      test_env.BUILD_TYPE == 'shared',
      'libpackager shared_library does not support '
      '--strip_parameter_set_nalus flag.'
  )
@ -1655,6 +1669,13 @@ class PackagerFunctionalTest(PackagerAppTest):
        self._GetFlags(encryption=True, output_hls=True))
    self._CheckTestResults('ec3-and-hls-single-segment-mp4-encrypted')

+  def testHlsSingleSegmentTs(self):
+    self.assertPackageSuccess(
+        self._GetStreams(
+            ['audio', 'video'], hls=True, test_files=['bear-640x360.ts']),
+        self._GetFlags(output_hls=True))
+    self._CheckTestResults('hls-single-segment-ts')
+
  def testEc3PackedAudioEncrypted(self):
    streams = [
        self._GetStream(
@ -1774,6 +1795,18 @@ class PackagerFunctionalTest(PackagerAppTest):
                                             force_cl_index=True))
    self._CheckTestResults('forced-commandline-ordering')

+  def testForcedCommandlineOrderingWithTTML(self):
+    streams = [
+      self._GetStream('video', test_file='bear-640x360.mp4'),
+      self._GetStream('audio', test_file='bear-640x360.mp4'),
+      self._GetStream('text',  test_file='bear-english.ttml'),
+    ]
+
+    self.assertPackageSuccess(streams,
+                              self._GetFlags(output_dash=True, output_hls=False,
+                                             force_cl_index=True))
+    self._CheckTestResults('forced-commandline-ordering-ttml')
+
  def testAllowCodecSwitchingWithCommandlineOrdering(self):
    streams = [
        self._GetStream('audio', test_file='bear-640x360.mp4'),
--- a/packager/app/test/test_env.py
+++ b/packager/app/test/test_env.py
@ -14,21 +14,38 @@ flags through the command line interface.

 import argparse
 import os
+import platform
 import sys


+def GetBinaryName(name):
+  if platform.system() == 'Windows':
+    name += '.exe'
+  return name
+
 # Define static global objects and attributes.
 SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
+SRC_DIR = os.environ.get('PACKAGER_SRC_DIR')
+if not SRC_DIR:
+  # fallback to computing src dir from script dir
  SRC_DIR = os.path.join(SCRIPT_DIR, os.pardir, os.pardir)

+PACKAGER_BIN = os.environ.get('PACKAGER_BIN')
+if not PACKAGER_BIN:
+  PACKAGER_BIN = os.path.join(SCRIPT_DIR,
+                              GetBinaryName('packager'))
+
+MPD_GENERATOR_BIN = os.environ.get('MPD_GENERATOR_BIN')
+if not MPD_GENERATOR_BIN:
+  MPD_GENERATOR_BIN = os.path.join(SCRIPT_DIR,
+                                   GetBinaryName('mpd_generator'))
+
+BUILD_TYPE = os.environ.get('BUILD_TYPE', 'static')
+
 # Parse arguments and calculate dynamic global objects and attributes.
 parser = argparse.ArgumentParser()
-
 parser.add_argument('--test_update_golden_files', action='store_true')

-parser.add_argument('--libpackager_type', default='static_library',
-                    choices=['static_library', 'shared_library'])
-
 parser.add_argument('--v')
 parser.add_argument('--vmodule')
 # Overwrite the test to encryption key/iv specified in the command line.
--- a/packager/app/test/testdata/acc-he/output.mpd
+++ b/packager/app/test/testdata/acc-he/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.763175S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <Representation id="0" bandwidth="73677" codecs="mp4a.40.5" mimeType="audio/mp4" audioSamplingRate="44100">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
        <BaseURL>bear-640x360-aac_he-silent_right-audio.mp4</BaseURL>
--- a/packager/app/test/testdata/audio-alac/bear-alac-audio.mp4
+++ b/packager/app/test/testdata/audio-alac/bear-alac-audio.mp4
--- a/packager/app/test/testdata/audio-alac/output.mpd
+++ b/packager/app/test/testdata/audio-alac/output.mpd
@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
+<MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.739955S">
+  <Period id="0">
+    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+      <Representation id="0" bandwidth="1046256" codecs="alac" mimeType="audio/mp4" audioSamplingRate="44100">
+        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
+        <BaseURL>bear-alac-audio.mp4</BaseURL>
+        <SegmentBase indexRange="762-829" timescale="44100">
+          <Initialization range="0-761"/>
+        </SegmentBase>
+      </Representation>
+    </AdaptationSet>
+  </Period>
+</MPD>
--- a/packager/app/test/testdata/audio-video-with-accessibilities-and-roles/output.mpd
+++ b/packager/app/test/testdata/audio-video-with-accessibilities-and-roles/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <Accessibility schemeIdUri="urn:tva:metadata:cs:AudioPurposeCS:2007" value="1"/>
      <Role schemeIdUri="urn:mpeg:dash:role:2011" value="description"/>
      <Representation id="0" bandwidth="133334" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
--- a/packager/app/test/testdata/audio-video-with-codec-switching-and-forced-commandline_order/output.mpd
+++ b/packager/app/test/testdata/audio-video-with-codec-switching-and-forced-commandline_order/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.8028S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <Representation id="0" bandwidth="133334" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
        <BaseURL>bear-640x360-audio.mp4</BaseURL>
--- a/packager/app/test/testdata/audio-video-with-codec-switching-encryption-trick-play/output.mpd
+++ b/packager/app/test/testdata/audio-video-with-codec-switching-encryption-trick-play/output.mpd
@ -49,7 +49,7 @@
        </SegmentBase>
      </Representation>
    </AdaptationSet>
-    <AdaptationSet id="3" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="3" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">
        <cenc:pssh>AAAANHBzc2gBAAAAEHfv7MCyTQKs4zweUuL7SwAAAAExMjM0NTY3ODkwMTIzNDU2AAAAAA==</cenc:pssh>
--- a/packager/app/test/testdata/audio-video-with-codec-switching/output.mpd
+++ b/packager/app/test/testdata/audio-video-with-codec-switching/output.mpd
@ -28,7 +28,7 @@
        </SegmentBase>
      </Representation>
    </AdaptationSet>
-    <AdaptationSet id="2" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="2" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <Representation id="3" bandwidth="133334" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
        <BaseURL>bear-640x360-audio.mp4</BaseURL>
--- a/packager/app/test/testdata/audio-video-with-language-override-with-subtag/output.mpd
+++ b/packager/app/test/testdata/audio-video-with-language-override-with-subtag/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" lang="pt-BR" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" lang="pt-BR" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <Representation id="0" bandwidth="133334" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
        <BaseURL>bear-640x360-audio.mp4</BaseURL>
--- a/packager/app/test/testdata/audio-video-with-language-override/output.mpd
+++ b/packager/app/test/testdata/audio-video-with-language-override/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" lang="pt" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" lang="pt" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <Role schemeIdUri="urn:mpeg:dash:role:2011" value="main"/>
      <Representation id="0" bandwidth="133334" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
--- a/packager/app/test/testdata/audio-video-with-trick-play-and-forced-commandline-order/output.mpd
+++ b/packager/app/test/testdata/audio-video-with-trick-play-and-forced-commandline-order/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.8028S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <Representation id="0" bandwidth="133334" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
        <BaseURL>bear-640x360-audio.mp4</BaseURL>
--- a/packager/app/test/testdata/audio-video-with-trick-play/output.mpd
+++ b/packager/app/test/testdata/audio-video-with-trick-play/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <Representation id="0" bandwidth="133334" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
        <BaseURL>bear-640x360-audio.mp4</BaseURL>
--- a/packager/app/test/testdata/audio-video-with-two-trick-play/output.mpd
+++ b/packager/app/test/testdata/audio-video-with-two-trick-play/output.mpd
@ -2,8 +2,31 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
-      <Representation id="0" bandwidth="133334" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
+    <AdaptationSet id="0" contentType="video" width="640" height="360" frameRate="30000/1001" subsegmentAlignment="true" par="16:9">
+      <Representation id="0" bandwidth="973483" codecs="avc1.64001e" mimeType="video/mp4" sar="1:1">
+        <BaseURL>bear-640x360-video.mp4</BaseURL>
+        <SegmentBase indexRange="870-937" timescale="30000">
+          <Initialization range="0-869"/>
+        </SegmentBase>
+      </Representation>
+    </AdaptationSet>
+    <AdaptationSet id="1" contentType="video" width="640" height="360" maxFrameRate="30000/22022" par="16:9">
+      <EssentialProperty schemeIdUri="http://dashif.org/guidelines/trickmode" value="0"/>
+      <Representation id="1" bandwidth="211545" codecs="avc1.64001e" mimeType="video/mp4" sar="1:1" frameRate="30000/30030" maxPlayoutRate="30" codingDependency="false">
+        <BaseURL>bear-640x360-video-trick_play_factor_1.mp4</BaseURL>
+        <SegmentBase indexRange="870-937" timescale="30000">
+          <Initialization range="0-869"/>
+        </SegmentBase>
+      </Representation>
+      <Representation id="2" bandwidth="211545" codecs="avc1.64001e" mimeType="video/mp4" sar="1:1" frameRate="30000/22022" maxPlayoutRate="60" codingDependency="false">
+        <BaseURL>bear-640x360-video-trick_play_factor_2.mp4</BaseURL>
+        <SegmentBase indexRange="870-925" timescale="30000">
+          <Initialization range="0-869"/>
+        </SegmentBase>
+      </Representation>
+    </AdaptationSet>
+    <AdaptationSet id="2" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
+      <Representation id="3" bandwidth="133334" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
        <BaseURL>bear-640x360-audio.mp4</BaseURL>
        <SegmentBase indexRange="804-871" timescale="44100">
@ -11,28 +34,5 @@
        </SegmentBase>
      </Representation>
    </AdaptationSet>
-    <AdaptationSet id="1" contentType="video" width="640" height="360" frameRate="30000/1001" subsegmentAlignment="true" par="16:9">
-      <Representation id="1" bandwidth="973483" codecs="avc1.64001e" mimeType="video/mp4" sar="1:1">
-        <BaseURL>bear-640x360-video.mp4</BaseURL>
-        <SegmentBase indexRange="870-937" timescale="30000">
-          <Initialization range="0-869"/>
-        </SegmentBase>
-      </Representation>
-    </AdaptationSet>
-    <AdaptationSet id="2" contentType="video" width="640" height="360" maxFrameRate="30000/30030" par="16:9">
-      <EssentialProperty schemeIdUri="http://dashif.org/guidelines/trickmode" value="1"/>
-      <Representation id="2" bandwidth="211545" codecs="avc1.64001e" mimeType="video/mp4" sar="1:1" frameRate="30000/60060" maxPlayoutRate="60" codingDependency="false">
-        <BaseURL>bear-640x360-video-trick_play_factor_2.mp4</BaseURL>
-        <SegmentBase indexRange="870-925" timescale="30000">
-          <Initialization range="0-869"/>
-        </SegmentBase>
-      </Representation>
-      <Representation id="3" bandwidth="211545" codecs="avc1.64001e" mimeType="video/mp4" sar="1:1" frameRate="30000/30030" maxPlayoutRate="30" codingDependency="false">
-        <BaseURL>bear-640x360-video-trick_play_factor_1.mp4</BaseURL>
-        <SegmentBase indexRange="870-937" timescale="30000">
-          <Initialization range="0-869"/>
-        </SegmentBase>
-      </Representation>
-    </AdaptationSet>
  </Period>
 </MPD>
--- a/packager/app/test/testdata/audio-video/output.mpd
+++ b/packager/app/test/testdata/audio-video/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <Representation id="0" bandwidth="133334" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
        <BaseURL>bear-640x360-audio.mp4</BaseURL>
--- a/packager/app/test/testdata/avc-aac-ts/output.mpd
+++ b/packager/app/test/testdata/avc-aac-ts/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" profiles="urn:mpeg:dash:profile:isoff-live:2011" minBufferTime="PT2S" type="dynamic" publishTime="some_time" availabilityStartTime="some_time" minimumUpdatePeriod="PT5S" timeShiftBufferDepth="PT1800S">
  <Period id="0" start="PT0S">
-    <AdaptationSet id="0" contentType="audio" segmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" startWithSAP="1" segmentAlignment="true">
      <Representation id="0" bandwidth="194319" codecs="mp4a.40.2" mimeType="audio/MP2T" audioSamplingRate="44100">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
        <SegmentTemplate timescale="90000" media="bear-640x360-audio-$Number$.ts" startNumber="1">
--- a/packager/app/test/testdata/avc-ts-live-playlist-dash-dynamic-with-segment-deletion/output.mpd
+++ b/packager/app/test/testdata/avc-ts-live-playlist-dash-dynamic-with-segment-deletion/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" profiles="urn:mpeg:dash:profile:isoff-live:2011" minBufferTime="PT2S" type="dynamic" publishTime="some_time" availabilityStartTime="some_time" minimumUpdatePeriod="PT5S" timeShiftBufferDepth="PT0.5S">
  <Period id="0" start="PT0S">
-    <AdaptationSet id="0" contentType="audio" segmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" startWithSAP="1" segmentAlignment="true">
      <Representation id="0" bandwidth="133919" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
        <SegmentTemplate timescale="90000" initialization="bear-640x360-audio-init.mp4" media="bear-640x360-audio-$Number$.m4s" startNumber="4">
--- a/packager/app/test/testdata/bandwidth-override/output.mpd
+++ b/packager/app/test/testdata/bandwidth-override/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <Representation id="0" bandwidth="11111" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
        <BaseURL>bear-640x360-audio.mp4</BaseURL>
--- a/packager/app/test/testdata/dash-label/output.mpd
+++ b/packager/app/test/testdata/dash-label/output.mpd
@ -11,7 +11,7 @@
        </SegmentBase>
      </Representation>
    </AdaptationSet>
-    <AdaptationSet id="1" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="1" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <Label>English</Label>
      <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"/>
--- a/packager/app/test/testdata/ec3-and-hls-single-segment-mp4-encrypted/output.m3u8
+++ b/packager/app/test/testdata/ec3-and-hls-single-segment-mp4-encrypted/output.m3u8
@ -5,7 +5,7 @@

 #EXT-X-MEDIA:TYPE=AUDIO,URI="bear-640x360-ec3-audio.m3u8",GROUP-ID="default-audio-group",NAME="stream_0",DEFAULT=NO,AUTOSELECT=YES,CHANNELS="2"

-#EXT-X-STREAM-INF:BANDWIDTH=1174214,AVERAGE-BANDWIDTH=1061802,CODECS="avc1.64001e,ec-3",RESOLUTION=640x360,FRAME-RATE=9.990,AUDIO="default-audio-group",CLOSED-CAPTIONS=NONE
+#EXT-X-STREAM-INF:BANDWIDTH=1174214,AVERAGE-BANDWIDTH=1061802,CODECS="avc1.64001e,ec-3",RESOLUTION=640x360,FRAME-RATE=29.970,AUDIO="default-audio-group",CLOSED-CAPTIONS=NONE
 bear-640x360-ec3-video.m3u8

 #EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=218705,AVERAGE-BANDWIDTH=159315,CODECS="avc1.64001e",RESOLUTION=640x360,CLOSED-CAPTIONS=NONE,URI="bear-640x360-ec3-video-iframe.m3u8"
--- a/packager/app/test/testdata/encryption-and-ad-cues-and-dash-trick-play/output.mpd
+++ b/packager/app/test/testdata/encryption-and-ad-cues-and-dash-trick-play/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0" duration="PT2.002S">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">
        <cenc:pssh>AAAANHBzc2gBAAAAEHfv7MCyTQKs4zweUuL7SwAAAAExMjM0NTY3ODkwMTIzNDU2AAAAAA==</cenc:pssh>
@ -42,7 +42,7 @@
    </AdaptationSet>
  </Period>
  <Period id="1" duration="PT0.734067S">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">
        <cenc:pssh>AAAANHBzc2gBAAAAEHfv7MCyTQKs4zweUuL7SwAAAAExMjM0NTY3ODkwMTIzNDU2AAAAAA==</cenc:pssh>
--- a/packager/app/test/testdata/encryption-and-ad-cues-split-content/output.mpd
+++ b/packager/app/test/testdata/encryption-and-ad-cues-split-content/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0" duration="PT2.002S">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">
        <cenc:pssh>AAAANHBzc2gBAAAAEHfv7MCyTQKs4zweUuL7SwAAAAExMjM0NTY3ODkwMTIzNDU2AAAAAA==</cenc:pssh>
@ -29,7 +29,7 @@
    </AdaptationSet>
  </Period>
  <Period id="1" duration="PT0.734067S">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">
        <cenc:pssh>AAAANHBzc2gBAAAAEHfv7MCyTQKs4zweUuL7SwAAAAExMjM0NTY3ODkwMTIzNDU2AAAAAA==</cenc:pssh>
--- a/packager/app/test/testdata/encryption-and-ad-cues/output.mpd
+++ b/packager/app/test/testdata/encryption-and-ad-cues/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0" duration="PT2.002S">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">
        <cenc:pssh>AAAANHBzc2gBAAAAEHfv7MCyTQKs4zweUuL7SwAAAAExMjM0NTY3ODkwMTIzNDU2AAAAAA==</cenc:pssh>
@ -29,7 +29,7 @@
    </AdaptationSet>
  </Period>
  <Period id="1" duration="PT0.734067S">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">
        <cenc:pssh>AAAANHBzc2gBAAAAEHfv7MCyTQKs4zweUuL7SwAAAAExMjM0NTY3ODkwMTIzNDU2AAAAAA==</cenc:pssh>
--- a/packager/app/test/testdata/encryption-and-no-clear-lead/output.mpd
+++ b/packager/app/test/testdata/encryption-and-no-clear-lead/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">
        <cenc:pssh>AAAANHBzc2gBAAAAEHfv7MCyTQKs4zweUuL7SwAAAAExMjM0NTY3ODkwMTIzNDU2AAAAAA==</cenc:pssh>
--- a/packager/app/test/testdata/encryption-and-no-pssh-in-stream/output.mpd
+++ b/packager/app/test/testdata/encryption-and-no-pssh-in-stream/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">
        <cenc:pssh>AAAANHBzc2gBAAAAEHfv7MCyTQKs4zweUuL7SwAAAAExMjM0NTY3ODkwMTIzNDU2AAAAAA==</cenc:pssh>
--- a/packager/app/test/testdata/encryption-and-non-dash-if-iop/output.mpd
+++ b/packager/app/test/testdata/encryption-and-non-dash-if-iop/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <Representation id="0" bandwidth="133663" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
        <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
--- a/packager/app/test/testdata/encryption-and-output-media-info-and-mpd-from-media-info-segmentlist/output.mpd
+++ b/packager/app/test/testdata/encryption-and-output-media-info-and-mpd-from-media-info-segmentlist/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.739955S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">
        <cenc:pssh>AAAANHBzc2gBAAAAEHfv7MCyTQKs4zweUuL7SwAAAAExMjM0NTY3ODkwMTIzNDU2AAAAAA==</cenc:pssh>
--- a/packager/app/test/testdata/encryption-and-trick-play/output.mpd
+++ b/packager/app/test/testdata/encryption-and-trick-play/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">
        <cenc:pssh>AAAANHBzc2gBAAAAEHfv7MCyTQKs4zweUuL7SwAAAAExMjM0NTY3ODkwMTIzNDU2AAAAAA==</cenc:pssh>
--- a/packager/app/test/testdata/encryption-and-two-trick-plays/output.mpd
+++ b/packager/app/test/testdata/encryption-and-two-trick-plays/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">
        <cenc:pssh>AAAANHBzc2gBAAAAEHfv7MCyTQKs4zweUuL7SwAAAAExMjM0NTY3ODkwMTIzNDU2AAAAAA==</cenc:pssh>
@ -27,7 +27,7 @@
        </SegmentBase>
      </Representation>
    </AdaptationSet>
-    <AdaptationSet id="2" contentType="video" width="640" height="360" maxFrameRate="30000/30030" par="16:9">
+    <AdaptationSet id="2" contentType="video" width="640" height="360" maxFrameRate="30000/22022" par="16:9">
      <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">
        <cenc:pssh>AAAANHBzc2gBAAAAEHfv7MCyTQKs4zweUuL7SwAAAAExMjM0NTY3ODkwMTIzNDU2AAAAAA==</cenc:pssh>
@ -39,7 +39,7 @@
          <Initialization range="0-1137"/>
        </SegmentBase>
      </Representation>
-      <Representation id="3" bandwidth="212297" codecs="avc1.64001e" mimeType="video/mp4" sar="1:1" frameRate="30000/60060" maxPlayoutRate="60" codingDependency="false">
+      <Representation id="3" bandwidth="212297" codecs="avc1.64001e" mimeType="video/mp4" sar="1:1" frameRate="30000/22022" maxPlayoutRate="60" codingDependency="false">
        <BaseURL>bear-640x360-video-trick_play_factor_2.mp4</BaseURL>
        <SegmentBase indexRange="1138-1193" timescale="30000">
          <Initialization range="0-1137"/>
--- a/packager/app/test/testdata/encryption-cbc-1/output.mpd
+++ b/packager/app/test/testdata/encryption-cbc-1/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <ContentProtection value="cbc1" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">
        <cenc:pssh>AAAANHBzc2gBAAAAEHfv7MCyTQKs4zweUuL7SwAAAAExMjM0NTY3ODkwMTIzNDU2AAAAAA==</cenc:pssh>
--- a/packager/app/test/testdata/encryption-cbcs-with-full-protection/output.mpd
+++ b/packager/app/test/testdata/encryption-cbcs-with-full-protection/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <ContentProtection value="cbcs" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">
        <cenc:pssh>AAAANHBzc2gBAAAAEHfv7MCyTQKs4zweUuL7SwAAAAExMjM0NTY3ODkwMTIzNDU2AAAAAA==</cenc:pssh>
--- a/packager/app/test/testdata/encryption-cbcs/output.mpd
+++ b/packager/app/test/testdata/encryption-cbcs/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <ContentProtection value="cbcs" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">
        <cenc:pssh>AAAANHBzc2gBAAAAEHfv7MCyTQKs4zweUuL7SwAAAAExMjM0NTY3ODkwMTIzNDU2AAAAAA==</cenc:pssh>
--- a/packager/app/test/testdata/encryption-cens/output.mpd
+++ b/packager/app/test/testdata/encryption-cens/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <ContentProtection value="cens" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">
        <cenc:pssh>AAAANHBzc2gBAAAAEHfv7MCyTQKs4zweUuL7SwAAAAExMjM0NTY3ODkwMTIzNDU2AAAAAA==</cenc:pssh>
--- a/packager/app/test/testdata/encryption-multi-keys-with-stream-label/output.mpd
+++ b/packager/app/test/testdata/encryption-multi-keys-with-stream-label/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="20212223-2425-2627-2829-303132333435"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">
        <cenc:pssh>AAAARHBzc2gBAAAAEHfv7MCyTQKs4zweUuL7SwAAAAIQERITFBUWFxgZICEiIyQlICEiIyQlJicoKTAxMjM0NQAAAAA=</cenc:pssh>
--- a/packager/app/test/testdata/encryption-multi-keys/output.mpd
+++ b/packager/app/test/testdata/encryption-multi-keys/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="10111213-1415-1617-1819-202122232425"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">
        <cenc:pssh>AAAARHBzc2gBAAAAEHfv7MCyTQKs4zweUuL7SwAAAAIQERITFBUWFxgZICEiIyQlICEiIyQlJicoKTAxMjM0NQAAAAA=</cenc:pssh>
--- a/packager/app/test/testdata/encryption-of-only-video-stream/output.mpd
+++ b/packager/app/test/testdata/encryption-of-only-video-stream/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <Representation id="0" bandwidth="133334" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
        <BaseURL>bear-640x360-audio-skip_encryption.mp4</BaseURL>
--- a/packager/app/test/testdata/encryption-using-explicit-pssh/output.mpd
+++ b/packager/app/test/testdata/encryption-using-explicit-pssh/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">
        <cenc:pssh>AAAAIHBzc2gAAAAAEHfv7MCyTQKs4zweUuL7SwAAAAA=</cenc:pssh>
--- a/packager/app/test/testdata/encryption-using-fixed-key/output.mpd
+++ b/packager/app/test/testdata/encryption-using-fixed-key/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">
        <cenc:pssh>AAAANHBzc2gBAAAAEHfv7MCyTQKs4zweUuL7SwAAAAExMjM0NTY3ODkwMTIzNDU2AAAAAA==</cenc:pssh>
--- a/packager/app/test/testdata/encryption-with-multi-drms/output.mpd
+++ b/packager/app/test/testdata/encryption-with-multi-drms/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" xmlns:mas="urn:marlin:mas:1-0:services:schemas:mpd" xmlns:mspr="urn:microsoft:playready" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
      <ContentProtection value="MSPR 2.0" schemeIdUri="urn:uuid:9a04f079-9840-4286-ab92-e65be0885f95">
        <cenc:pssh>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</cenc:pssh>
--- a/packager/app/test/testdata/encryption-with-multi-drms/stream_0.m3u8
+++ b/packager/app/test/testdata/encryption-with-multi-drms/stream_0.m3u8
@ -4,6 +4,7 @@
 #EXT-X-TARGETDURATION:2
 #EXT-X-PLAYLIST-TYPE:VOD
 #EXT-X-MAP:URI="bear-640x360-audio.mp4",BYTERANGE="1568@0"
+#EXT-X-KEY:METHOD=SAMPLE-AES-CTR,URI="data:text/plain;charset=UTF-16;base64,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",KEYFORMATVERSIONS="1",KEYFORMAT="com.microsoft.playready"
 #EXT-X-KEY:METHOD=SAMPLE-AES-CTR,URI="data:text/plain;base64,AAAAOHBzc2gAAAAA7e+LqXnWSs6jyCfc1R0h7QAAABgSEDEyMzQ1Njc4OTAxMjM0NTZI49yVmwY=",KEYID=0x31323334353637383930313233343536,KEYFORMATVERSIONS="1",KEYFORMAT="urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed"
 #EXT-X-KEY:METHOD=SAMPLE-AES-CTR,URI="skd://www.license.com/getkey?KeyId=31323334-3536-3738-3930-313233343536",KEYFORMATVERSIONS="1",KEYFORMAT="com.apple.streamingkeydelivery"
 #EXTINF:1.022,
--- a/packager/app/test/testdata/encryption-with-multi-drms/stream_1.m3u8
+++ b/packager/app/test/testdata/encryption-with-multi-drms/stream_1.m3u8
@ -4,6 +4,7 @@
 #EXT-X-TARGETDURATION:2
 #EXT-X-PLAYLIST-TYPE:VOD
 #EXT-X-MAP:URI="bear-640x360-video.mp4",BYTERANGE="1692@0"
+#EXT-X-KEY:METHOD=SAMPLE-AES-CTR,URI="data:text/plain;charset=UTF-16;base64,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",KEYFORMATVERSIONS="1",KEYFORMAT="com.microsoft.playready"
 #EXT-X-KEY:METHOD=SAMPLE-AES-CTR,URI="data:text/plain;base64,AAAAOHBzc2gAAAAA7e+LqXnWSs6jyCfc1R0h7QAAABgSEDEyMzQ1Njc4OTAxMjM0NTZI49yVmwY=",KEYID=0x31323334353637383930313233343536,KEYFORMATVERSIONS="1",KEYFORMAT="urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed"
 #EXT-X-KEY:METHOD=SAMPLE-AES-CTR,URI="skd://www.license.com/getkey?KeyId=31323334-3536-3738-3930-313233343536",KEYFORMATVERSIONS="1",KEYFORMAT="com.apple.streamingkeydelivery"
 #EXTINF:1.001,
--- a/packager/app/test/testdata/encryption/output.mpd
+++ b/packager/app/test/testdata/encryption/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">
        <cenc:pssh>AAAANHBzc2gBAAAAEHfv7MCyTQKs4zweUuL7SwAAAAExMjM0NTY3ODkwMTIzNDU2AAAAAA==</cenc:pssh>
--- a/packager/app/test/testdata/forced-commandline-ordering-ttml/bear-640x360-audio.mp4
+++ b/packager/app/test/testdata/forced-commandline-ordering-ttml/bear-640x360-audio.mp4
--- a/packager/app/test/testdata/forced-commandline-ordering-ttml/bear-640x360-video.mp4
+++ b/packager/app/test/testdata/forced-commandline-ordering-ttml/bear-640x360-video.mp4
--- a/packager/app/test/testdata/forced-commandline-ordering-ttml/bear-english-text.ttml
+++ b/packager/app/test/testdata/forced-commandline-ordering-ttml/bear-english-text.ttml
@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<tt xmlns="http://www.w3.org/ns/ttml" xml:lang="en">
+  <body>
+    <div>
+      <p begin="0.1s" end="0.8s">Yup, that's a bear, eh.</p>
+      <p begin="1.0s" end="4.7s">He 's... um... doing bear-like stuff.</p>
+    </div>
+  </body>
+</tt>
--- a/packager/app/test/testdata/forced-commandline-ordering-ttml/output.mpd
+++ b/packager/app/test/testdata/forced-commandline-ordering-ttml/output.mpd
@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
+<MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
+  <Period id="0">
+    <AdaptationSet id="0" contentType="video" width="640" height="360" frameRate="30000/1001" subsegmentAlignment="true" par="16:9">
+      <Representation id="0" bandwidth="973483" codecs="avc1.64001e" mimeType="video/mp4" sar="1:1">
+        <BaseURL>bear-640x360-video.mp4</BaseURL>
+        <SegmentBase indexRange="870-937" timescale="30000">
+          <Initialization range="0-869"/>
+        </SegmentBase>
+      </Representation>
+    </AdaptationSet>
+    <AdaptationSet id="1" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
+      <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"/>
+        <BaseURL>bear-640x360-audio.mp4</BaseURL>
+        <SegmentBase indexRange="804-871" timescale="44100">
+          <Initialization range="0-803"/>
+        </SegmentBase>
+      </Representation>
+    </AdaptationSet>
+    <AdaptationSet id="2" contentType="text" subsegmentAlignment="true">
+      <Representation id="2" bandwidth="256" mimeType="application/ttml+xml">
+        <BaseURL>bear-english-text.ttml</BaseURL>
+      </Representation>
+    </AdaptationSet>
+  </Period>
+</MPD>
--- a/packager/app/test/testdata/forced-commandline-ordering/output.mpd
+++ b/packager/app/test/testdata/forced-commandline-ordering/output.mpd
@ -8,7 +8,7 @@
        <BaseURL>bear-english-text.vtt</BaseURL>
      </Representation>
    </AdaptationSet>
-    <AdaptationSet id="1" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="1" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <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"/>
        <BaseURL>bear-640x360-audio.mp4</BaseURL>
--- a/packager/app/test/testdata/forced-subtitle/output.mpd
+++ b/packager/app/test/testdata/forced-subtitle/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <Representation id="0" bandwidth="133334" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
        <BaseURL>bear-640x360-audio.mp4</BaseURL>
--- a/packager/app/test/testdata/hls-only-dash-only-captions/output.mpd
+++ b/packager/app/test/testdata/hls-only-dash-only-captions/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" profiles="urn:mpeg:dash:profile:isoff-live:2011" minBufferTime="PT2S" type="dynamic" publishTime="some_time" availabilityStartTime="some_time" minimumUpdatePeriod="PT5S" timeShiftBufferDepth="PT1800S">
  <Period id="0" start="PT0S">
-    <AdaptationSet id="0" contentType="audio" segmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" startWithSAP="1" segmentAlignment="true">
      <Representation id="0" bandwidth="133961" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
        <SegmentTemplate timescale="44100" initialization="bear-640x360-audio-init.mp4" media="bear-640x360-audio-$Number$.m4s" startNumber="1">
--- a/packager/app/test/testdata/hls-only-dash-only/output.mpd
+++ b/packager/app/test/testdata/hls-only-dash-only/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.739955S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" subsegmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
      <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"/>
        <BaseURL>bear-640x360-audio.mp4</BaseURL>
--- a/packager/app/test/testdata/hls-single-segment-ts/bear-640x360-audio.m3u8
+++ b/packager/app/test/testdata/hls-single-segment-ts/bear-640x360-audio.m3u8
@ -0,0 +1,15 @@
+#EXTM3U
+#EXT-X-VERSION:6
+## Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>
+#EXT-X-TARGETDURATION:2
+#EXT-X-PLAYLIST-TYPE:VOD
+#EXTINF:0.975,
+#EXT-X-BYTERANGE:23312@0
+bear-640x360-audio.ts
+#EXTINF:0.998,
+#EXT-X-BYTERANGE:24252
+bear-640x360-audio.ts
+#EXTINF:0.789,
+#EXT-X-BYTERANGE:17296
+bear-640x360-audio.ts
+#EXT-X-ENDLIST
--- a/packager/app/test/testdata/hls-single-segment-ts/bear-640x360-audio.ts
+++ b/packager/app/test/testdata/hls-single-segment-ts/bear-640x360-audio.ts
--- a/packager/app/test/testdata/hls-single-segment-ts/bear-640x360-video-iframe.m3u8
+++ b/packager/app/test/testdata/hls-single-segment-ts/bear-640x360-video-iframe.m3u8
@ -0,0 +1,16 @@
+#EXTM3U
+#EXT-X-VERSION:6
+## Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>
+#EXT-X-TARGETDURATION:2
+#EXT-X-PLAYLIST-TYPE:VOD
+#EXT-X-I-FRAMES-ONLY
+#EXTINF:1.001,
+#EXT-X-BYTERANGE:15604@376
+bear-640x360-video.ts
+#EXTINF:1.001,
+#EXT-X-BYTERANGE:18236@105656
+bear-640x360-video.ts
+#EXTINF:0.734,
+#EXT-X-BYTERANGE:19928@233684
+bear-640x360-video.ts
+#EXT-X-ENDLIST
--- a/packager/app/test/testdata/hls-single-segment-ts/bear-640x360-video.m3u8
+++ b/packager/app/test/testdata/hls-single-segment-ts/bear-640x360-video.m3u8
@ -0,0 +1,15 @@
+#EXTM3U
+#EXT-X-VERSION:6
+## Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>
+#EXT-X-TARGETDURATION:2
+#EXT-X-PLAYLIST-TYPE:VOD
+#EXTINF:1.001,
+#EXT-X-BYTERANGE:105280@0
+bear-640x360-video.ts
+#EXTINF:1.001,
+#EXT-X-BYTERANGE:128028
+bear-640x360-video.ts
+#EXTINF:0.734,
+#EXT-X-BYTERANGE:84600
+bear-640x360-video.ts
+#EXT-X-ENDLIST
--- a/packager/app/test/testdata/hls-single-segment-ts/bear-640x360-video.ts
+++ b/packager/app/test/testdata/hls-single-segment-ts/bear-640x360-video.ts
--- a/packager/app/test/testdata/hls-single-segment-ts/output.m3u8
+++ b/packager/app/test/testdata/hls-single-segment-ts/output.m3u8
@ -0,0 +1,11 @@
+#EXTM3U
+## Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>
+
+#EXT-X-INDEPENDENT-SEGMENTS
+
+#EXT-X-MEDIA:TYPE=AUDIO,URI="bear-640x360-audio.m3u8",GROUP-ID="default-audio-group",NAME="stream_0",DEFAULT=NO,AUTOSELECT=YES,CHANNELS="2"
+
+#EXT-X-STREAM-INF:BANDWIDTH=1217520,AVERAGE-BANDWIDTH=1117320,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,FRAME-RATE=29.970,AUDIO="default-audio-group",CLOSED-CAPTIONS=NONE
+bear-640x360-video.m3u8
+
+#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=217180,AVERAGE-BANDWIDTH=157213,CODECS="avc1.64001e",RESOLUTION=640x360,CLOSED-CAPTIONS=NONE,URI="bear-640x360-video-iframe.m3u8"
--- a/packager/app/test/testdata/live-profile-and-encryption-and-mult-files/output.mpd
+++ b/packager/app/test/testdata/live-profile-and-encryption-and-mult-files/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" profiles="urn:mpeg:dash:profile:isoff-live:2011" minBufferTime="PT2S" type="dynamic" publishTime="some_time" availabilityStartTime="some_time" minimumUpdatePeriod="PT5S" timeShiftBufferDepth="PT1800S">
  <Period id="0" start="PT0S">
-    <AdaptationSet id="0" contentType="audio" segmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" startWithSAP="1" segmentAlignment="true">
      <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">
        <cenc:pssh>AAAANHBzc2gBAAAAEHfv7MCyTQKs4zweUuL7SwAAAAExMjM0NTY3ODkwMTIzNDU2AAAAAA==</cenc:pssh>
--- a/packager/app/test/testdata/live-profile-and-encryption-and-non-dash-if-iop/output.mpd
+++ b/packager/app/test/testdata/live-profile-and-encryption-and-non-dash-if-iop/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" profiles="urn:mpeg:dash:profile:isoff-live:2011" minBufferTime="PT2S" type="dynamic" publishTime="some_time" availabilityStartTime="some_time" minimumUpdatePeriod="PT5S" timeShiftBufferDepth="PT1800S">
  <Period id="0" start="PT0S">
-    <AdaptationSet id="0" contentType="audio" segmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" startWithSAP="1" segmentAlignment="true">
      <Representation id="0" bandwidth="134304" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
        <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
--- a/packager/app/test/testdata/live-profile-and-encryption/output.mpd
+++ b/packager/app/test/testdata/live-profile-and-encryption/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" profiles="urn:mpeg:dash:profile:isoff-live:2011" minBufferTime="PT2S" type="dynamic" publishTime="some_time" availabilityStartTime="some_time" minimumUpdatePeriod="PT5S" timeShiftBufferDepth="PT1800S">
  <Period id="0" start="PT0S">
-    <AdaptationSet id="0" contentType="audio" segmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" startWithSAP="1" segmentAlignment="true">
      <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b">
        <cenc:pssh>AAAANHBzc2gBAAAAEHfv7MCyTQKs4zweUuL7SwAAAAExMjM0NTY3ODkwMTIzNDU2AAAAAA==</cenc:pssh>
--- a/packager/app/test/testdata/live-profile-and-key-rotation-and-no-pssh-in-stream/output.mpd
+++ b/packager/app/test/testdata/live-profile-and-key-rotation-and-no-pssh-in-stream/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" profiles="urn:mpeg:dash:profile:isoff-live:2011" minBufferTime="PT2S" type="dynamic" publishTime="some_time" availabilityStartTime="some_time" minimumUpdatePeriod="PT5S" timeShiftBufferDepth="PT1800S">
  <Period id="0" start="PT0S">
-    <AdaptationSet id="0" contentType="audio" segmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" startWithSAP="1" segmentAlignment="true">
      <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b"/>
      <Representation id="0" bandwidth="134880" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
--- a/packager/app/test/testdata/live-profile-and-key-rotation-and-non-dash-if-iop/output.mpd
+++ b/packager/app/test/testdata/live-profile-and-key-rotation-and-non-dash-if-iop/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" profiles="urn:mpeg:dash:profile:isoff-live:2011" minBufferTime="PT2S" type="dynamic" publishTime="some_time" availabilityStartTime="some_time" minimumUpdatePeriod="PT5S" timeShiftBufferDepth="PT1800S">
  <Period id="0" start="PT0S">
-    <AdaptationSet id="0" contentType="audio" segmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" startWithSAP="1" segmentAlignment="true">
      <Representation id="0" bandwidth="135297" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
        <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011"/>
--- a/packager/app/test/testdata/live-profile-and-key-rotation-cbcs/output.mpd
+++ b/packager/app/test/testdata/live-profile-and-key-rotation-cbcs/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" profiles="urn:mpeg:dash:profile:isoff-live:2011" minBufferTime="PT2S" type="dynamic" publishTime="some_time" availabilityStartTime="some_time" minimumUpdatePeriod="PT5S" timeShiftBufferDepth="PT1800S">
  <Period id="0" start="PT0S">
-    <AdaptationSet id="0" contentType="audio" segmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" startWithSAP="1" segmentAlignment="true">
      <ContentProtection value="cbcs" schemeIdUri="urn:mpeg:dash:mp4protection:2011"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b"/>
      <Representation id="0" bandwidth="134368" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
--- a/packager/app/test/testdata/live-profile-and-key-rotation/output.mpd
+++ b/packager/app/test/testdata/live-profile-and-key-rotation/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" profiles="urn:mpeg:dash:profile:isoff-live:2011" minBufferTime="PT2S" type="dynamic" publishTime="some_time" availabilityStartTime="some_time" minimumUpdatePeriod="PT5S" timeShiftBufferDepth="PT1800S">
  <Period id="0" start="PT0S">
-    <AdaptationSet id="0" contentType="audio" segmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" startWithSAP="1" segmentAlignment="true">
      <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011"/>
      <ContentProtection schemeIdUri="urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b"/>
      <Representation id="0" bandwidth="135297" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
--- a/packager/app/test/testdata/live-profile-with-webm/output.m3u8
+++ b/packager/app/test/testdata/live-profile-with-webm/output.m3u8
@ -5,5 +5,5 @@

 #EXT-X-MEDIA:TYPE=AUDIO,URI="stream_0.m3u8",GROUP-ID="default-audio-group",NAME="stream_0",DEFAULT=NO,AUTOSELECT=YES,CHANNELS="2"

-#EXT-X-STREAM-INF:BANDWIDTH=556353,AVERAGE-BANDWIDTH=412719,CODECS="vp08.00.10.08.01.02.02.02.00,vorbis",RESOLUTION=640x360,FRAME-RATE=30.303,AUDIO="default-audio-group",CLOSED-CAPTIONS=NONE
+#EXT-X-STREAM-INF:BANDWIDTH=556353,AVERAGE-BANDWIDTH=412719,CODECS="vp08.00.10.08.01.02.02.02.00,vorbis",RESOLUTION=640x360,FRAME-RATE=29.412,AUDIO="default-audio-group",CLOSED-CAPTIONS=NONE
 stream_1.m3u8
--- a/packager/app/test/testdata/live-profile-with-webm/output.mpd
+++ b/packager/app/test/testdata/live-profile-with-webm/output.mpd
@ -14,7 +14,7 @@
        </SegmentTemplate>
      </Representation>
    </AdaptationSet>
-    <AdaptationSet id="1" contentType="video" width="640" height="360" frameRate="1000000/33000" segmentAlignment="true" par="16:9">
+    <AdaptationSet id="1" contentType="video" width="640" height="360" frameRate="1000000/34000" segmentAlignment="true" par="16:9">
      <Representation id="1" bandwidth="472384" codecs="vp8" mimeType="video/webm" sar="1:1">
        <SegmentTemplate timescale="1000000" initialization="bear-640x360-video-init.webm" media="bear-640x360-video-$Number$.webm" startNumber="1">
          <SegmentTimeline>
--- a/packager/app/test/testdata/live-profile/output.mpd
+++ b/packager/app/test/testdata/live-profile/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" profiles="urn:mpeg:dash:profile:isoff-live:2011" minBufferTime="PT2S" type="dynamic" publishTime="some_time" availabilityStartTime="some_time" minimumUpdatePeriod="PT5S" timeShiftBufferDepth="PT1800S">
  <Period id="0" start="PT0S">
-    <AdaptationSet id="0" contentType="audio" segmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" startWithSAP="1" segmentAlignment="true">
      <Representation id="0" bandwidth="133961" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
        <SegmentTemplate timescale="44100" initialization="bear-640x360-audio-init.mp4" media="bear-640x360-audio-$Number$.m4s" startNumber="1">
--- a/packager/app/test/testdata/live-static-profile-with-time-in-segment-name/output.mpd
+++ b/packager/app/test/testdata/live-static-profile-with-time-in-segment-name/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" profiles="urn:mpeg:dash:profile:isoff-live:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" segmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" startWithSAP="1" segmentAlignment="true">
      <Representation id="0" bandwidth="133961" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
        <SegmentTemplate timescale="44100" initialization="bear-640x360-audio-init.mp4" media="bear-640x360-audio-$Time$.m4s" startNumber="1">
--- a/packager/app/test/testdata/live-static-profile/output.mpd
+++ b/packager/app/test/testdata/live-static-profile/output.mpd
@ -2,7 +2,7 @@
 <!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
 <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" profiles="urn:mpeg:dash:profile:isoff-live:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
  <Period id="0">
-    <AdaptationSet id="0" contentType="audio" segmentAlignment="true">
+    <AdaptationSet id="0" contentType="audio" startWithSAP="1" segmentAlignment="true">
      <Representation id="0" bandwidth="133961" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
        <SegmentTemplate timescale="44100" initialization="bear-640x360-audio-init.mp4" media="bear-640x360-audio-$Number$.m4s" startNumber="1">
--- a/Show More
+++ b/Show More