こーのいけ

<p>Androidスマホは機種ごとにHWA対応状況がバラバラなのでちょっと調べてみる<br>
hwaって書いてるのがExternalEncoder/ExternalDecoder</p>


<p>テンプレ</p>
<table>
<thead>
<tr>
<th>CODEC</th>
<th>decode</th>
<th>encode</th>
</tr>
</thead>
<tbody>
<tr>
<td>H.264</td>
<td></td>
<td></td>
</tr>
<tr>
<td>VP8</td>
<td></td>
<td></td>
</tr>
<tr>
<td>VP9</td>
<td></td>
<td></td>
</tr>
<tr>
<td>AV1</td>
<td></td>
<td></td>
</tr>
</tbody>
</table>


<p>Zenfone8</p>
<table>
<thead>
<tr>
<th>CODEC</th>
<th>decode</th>
<th>encode</th>
</tr>
</thead>
<tbody>
<tr>
<td>H.264</td>
<td>ext</td>
<td>ext</td>
</tr>
<tr>
<td>VP8</td>
<td>ext</td>
<td>libvpx</td>
</tr>
<tr>
<td>VP9</td>
<td>ext</td>
<td>libvpx</td>
</tr>
<tr>
<td>AV1</td>
<td>ext</td>
<td>NG</td>
</tr>
</tbody>
</table>
<p><img src="https://storage.googleapis.com/zenn-user-upload/f18d583a5d4f1479f3164c08.png" alt loading="lazy" class="md-img"></p>


<p>Pixel3a</p>
<table>
<thead>
<tr>
<th>CODEC</th>
<th>decode</th>
<th>encode</th>
</tr>
</thead>
<tbody>
<tr>
<td>H.264</td>
<td>ext</td>
<td>ext</td>
</tr>
<tr>
<td>VP8</td>
<td>ext</td>
<td>ext</td>
</tr>
<tr>
<td>VP9</td>
<td>ext</td>
<td>libvpx</td>
</tr>
<tr>
<td>AV1</td>
<td>ext</td>
<td>NG</td>
</tr>
</tbody>
</table>
<p>AV1再生はカクカクなんで実質的には無理</p>


<p>Oppo R15 Pro</p>
<table>
<thead>
<tr>
<th>CODEC</th>
<th>decode</th>
<th>encode</th>
</tr>
</thead>
<tbody>
<tr>
<td>H.264</td>
<td>ext</td>
<td>ext</td>
</tr>
<tr>
<td>VP8</td>
<td>ext</td>
<td>ext</td>
</tr>
<tr>
<td>VP9</td>
<td>ext</td>
<td>libvpx</td>
</tr>
<tr>
<td>AV1</td>
<td>NG</td>
<td>NG</td>
</tr>
</tbody>
</table>


CODEC	decode	encode
H.264
VP8
VP9
AV1

CODEC	decode	encode
H.264	ext	ext
VP8	ext	libvpx
VP9	ext	libvpx
AV1	ext	NG

CODEC	decode	encode
H.264	ext	ext
VP8	ext	ext
VP9	ext	libvpx
AV1	ext	NG

CODEC	decode	encode
H.264	ext	ext
VP8	ext	ext
VP9	ext	libvpx
AV1	NG	NG