Michael Fabian 'Xaymar' Dirks
144 lines
3.9 KiB
HTML
144 lines
3.9 KiB
HTML
---
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layout: default
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category: "OBS"
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title: "High Quality Recordings with AMD AMF (in OBS® Studio)"
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comments: true
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date: "2022-01-13"
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---
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<p class="block">If you decided to go with the "Red" team instead of "Blue" or "Green", then unforunately you're a bit more limited in throughput, quality and features. While AMDs "Fine Wine" does often improve things, their hardware usually only has partial support for a certain standard, and encoding is no different. However you can still do many things with the hardware, and is by no means outdated or bad - it's just an unfortunate situation.</p>
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<details class="block" open><summary><h2>AV1</h2></summary>
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<table class="block">
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<thead><tr>
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<th>Option</th>
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<th width="16%">True Lossless</th>
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<th width="16%">Near Lossless</th>
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<th width="16%">Indistinguishable</th>
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<th width="16%">High Quality</th>
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<th width="16%">Acceptable Quality</th>
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</tr></thead>
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<tr>
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<td>Rate Control</td>
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<td colspan="255">CQP</td>
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</tr>
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<tr>
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<td>CQ Level</td>
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<td>0</td>
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<td>1 - 4</td>
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<td>5 - 10</td>
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<td>11 - 16</td>
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<td>17 - 22+</td>
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</tr>
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<tr>
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<td>Profile</td>
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<td colspan="255">Speed</td>
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</tr>
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<tr>
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<td>Max B-frames</td>
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<td colspan="255">Any, but less may be faster</td>
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</tr>
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<tr>
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<td>AMF/FFmpeg Options</td>
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<td colspan="255">preanalysis=false filler_data=false skip_frame=false</td>
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</tr>
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<tr>
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<td>Color Format</td>
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<td colspan="255">4:4:4</td>
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<td colspan="255">4:4:4</td>
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</tr>
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</table>
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<ul class="block">
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<li>AMDs AV1 encoder is capable of 4:4:4 and 4:2:0 encoding, so it is the only available option for True Lossless SDR recording.</li>
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</ul>
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</details>
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<details class="block" open><summary><h2>H265/HEVC</h2></summary>
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<table class="block">
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<thead><tr>
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<th>Option</th>
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<th width="16%">True Lossless</th>
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<th width="16%">Near Lossless</th>
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<th width="16%">Indistinguishable</th>
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<th width="16%">High Quality</th>
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<th width="16%">Acceptable Quality</th>
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</tr></thead>
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<tr>
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<td>Rate Control</td>
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<td rowspan="255" colspan="2" style="vertical-align: middle; text-align: center;">N/A</td>
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<td colspan="255">CQP</td>
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</tr>
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<tr>
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<td>CQ Level</td>
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<td>5 - 10</td>
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<td>11 - 16</td>
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<td>17 - 22+</td>
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</tr>
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<tr>
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<td>Profile</td>
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<td colspan="255">Speed</td>
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</tr>
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<tr>
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<td>Max B-frames</td>
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<td colspan="255">Any, but less may be faster</td>
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</tr>
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<tr>
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<td>AMF/FFmpeg Options</td>
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<td colspan="255"><code>profile_tier=high preanalysis=false vbaq=false filler_data=false skip_frame=false</code></td>
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</tr>
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</table>
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<ul class="block">
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<li>AMDs HEVC encoder is capable of 4:2:0 in both SDR (8bit) and HDR (10bit) mode.</li>
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</ul>
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</details>
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<details class="block" open><summary><h2>H264/HEVC</h2></summary>
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<table class="block">
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<thead><tr>
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<th>Option</th>
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<th width="16%">True Lossless</th>
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<th width="16%">Near Lossless</th>
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<th width="16%">Indistinguishable</th>
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<th width="16%">High Quality</th>
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<th width="16%">Acceptable Quality</th>
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</tr></thead>
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<tr>
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<td>Rate Control</td>
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<td rowspan="255" colspan="2" style="vertical-align: middle; text-align: center;">N/A</td>
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<td colspan="255">CQP</td>
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</tr>
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<tr>
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<td>CQ Level</td>
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<td>5 - 10</td>
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<td>11 - 16</td>
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<td>17 - 22+</td>
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</tr>
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<tr>
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<td>Profile</td>
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<td colspan="255">Speed</td>
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</tr>
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<tr>
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<td>Max B-frames</td>
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<td colspan="255">Any, but less may be faster</td>
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</tr>
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<tr>
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<td>AMF/FFmpeg Options</td>
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<td colspan="255"><code>profile_tier=high preanalysis=false vbaq=false filler_data=false skip_frame=false</code></td>
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</tr>
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</table>
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<ul class="block">
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<li>AMDs H264 encoder is only capable of 4:2:0 SDR (8bit).</li>
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</ul>
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</details>
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<h2 class="block">Additional Information</h2>
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<ul class="block">
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<li>OBS Studio does not yet have a HDR capable format for 4:4:4. (State: 2023-04-23)</li>
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<li>More B-Frames may result in smaller files, but also more encoder usage.</li>
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</ul>
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<p class="block align-center"><a href="../">Back to the Guide</a></p>
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