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@@ -5943,7 +6053,8 @@ any existing data.</p>
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<p>Takes the Dolby Vision and HDR10(+) streams out of the VideoTracks.
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It will then attempt to inject the Dolby Vision metadata layer to the HDR10(+) stream.
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If no DV track is available but HDR10+ is present, it will convert HDR10+ to DV.</p>
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If no DV track is available, it makes the DV from the HDR10+ metadata, or from the
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decoded video when there is no HDR10+ or no hdr10plus_tool.</p>
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@@ -5952,6 +6063,28 @@ If no DV track is available but HDR10+ is present, it will convert HDR10+ to DV.
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<h3 id="unshackle.core.tracks.Hybrid.align_rpu" class="doc doc-heading">
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<code class="doc-symbol doc-symbol-heading doc-symbol-method"></code> <span class="doc doc-object-name doc-function-name">align_rpu</span>
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<a href="#unshackle.core.tracks.Hybrid.align_rpu" class="headerlink" title="Permanent link">¶</a></h3>
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<div class="language-python doc-signature highlight"><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="nf">align_rpu</span><span class="p">(</span><span class="n">base</span><span class="p">,</span> <span class="n">dv</span><span class="p">)</span>
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</span></code></pre></div>
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<div class="doc doc-contents ">
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<p>Shift the RPU so that it starts on the first frame of the base.</p>
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<p>--sample cuts each track on its own segment grid, so the DV track can start before or after the
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base. An RPU that starts early loses its first frames; one that starts late repeats its first frame.</p>
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@@ -6111,6 +6244,91 @@ config.generate_dv_mode picks the L1 avg floor: v29 (about 2.4 nits, closest to
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<h3 id="unshackle.core.tracks.Hybrid.measure_frames" class="doc doc-heading">
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<code class="doc-symbol doc-symbol-heading doc-symbol-method"></code> <span class="doc doc-object-name doc-function-name">measure_frames</span>
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<a href="#unshackle.core.tracks.Hybrid.measure_frames" class="headerlink" title="Permanent link">¶</a></h3>
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<div class="language-python doc-signature highlight"><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="nf">measure_frames</span><span class="p">(</span><span class="n">input_video</span><span class="p">,</span> <span class="n">crop</span><span class="p">)</span>
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</span></code></pre></div>
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<div class="doc doc-contents ">
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<p>Decode the whole video through MEASURE_GRAPH.</p>
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<p>Returns its frame_stats and the highest linear frame average (65535 = 10000 nits).</p>
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<h3 id="unshackle.core.tracks.Hybrid.dropped_leading_frames" class="doc doc-heading">
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<code class="doc-symbol doc-symbol-heading doc-symbol-method"></code> <span class="doc doc-object-name doc-function-name">dropped_leading_frames</span>
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<a href="#unshackle.core.tracks.Hybrid.dropped_leading_frames" class="headerlink" title="Permanent link">¶</a></h3>
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<div class="language-python doc-signature highlight"><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="nf">dropped_leading_frames</span><span class="p">(</span><span class="n">stream</span><span class="p">)</span>
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</span></code></pre></div>
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<div class="doc doc-contents ">
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<p>How many frames at the head of a raw HEVC file the decoder gives no picture for.</p>
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<p>A file that starts on an open GOP holds frames that need the GOP before it.</p>
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<h3 id="unshackle.core.tracks.Hybrid.generator_config" class="doc doc-heading">
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<code class="doc-symbol doc-symbol-heading doc-symbol-method"></code> <span class="doc doc-object-name doc-function-name">generator_config</span>
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<a href="#unshackle.core.tracks.Hybrid.generator_config" class="headerlink" title="Permanent link">¶</a></h3>
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<div class="language-python doc-signature highlight"><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="nf">generator_config</span><span class="p">(</span><span class="n">measured_cll</span><span class="p">,</span> <span class="n">measured_fall</span><span class="p">)</span>
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</span></code></pre></div>
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<div class="doc doc-contents ">
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<p>The dovi_tool generator config without its shots, for config.generate_dv_mode.</p>
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<p>Level 6 comes from the HDR10 track. The measured light levels fill only what the track does not state.</p>
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<h3 id="unshackle.core.tracks.Hybrid.measure_dv" class="doc doc-heading">
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<code class="doc-symbol doc-symbol-heading doc-symbol-method"></code> <span class="doc doc-object-name doc-function-name">measure_dv</span>
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<a href="#unshackle.core.tracks.Hybrid.measure_dv" class="headerlink" title="Permanent link">¶</a></h3>
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<div class="language-python doc-signature highlight"><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="nf">measure_dv</span><span class="p">(</span><span class="n">crop</span><span class="o">=</span><span class="kc">None</span><span class="p">)</span>
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</span></code></pre></div>
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<div class="doc doc-contents ">
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<p>Generate a Dolby Vision RPU with L1 measured from the decoded video, one shot per scene cut.</p>
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<p>It measures HDR10.hevc, the file that gets the RPU, so the shots count the same frames. The first
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shot takes the leading frames that the decoder drops.</p>
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