diff --git a/README.md b/README.md
index 362ce4f..a2436dc 100644
--- a/README.md
+++ b/README.md
@@ -27,6 +27,8 @@
| aac | ✓ | | | [mac_aac.png](doc/screenshots/mac_aac.png) |
| wav | ✓ | | extract pcm; seperate L/R pcm | [mac_wav.png](doc/screenshots/mac_wav.png) |
| mp3 | ✓ | ✓ | | [mac_mp4.png](doc/screenshots/mac_mp3.png) |
+| ogg | ✓ | | | [mac_ogg.png](doc/screenshots/mac_ogg.png) |
+| opus | ✓ | | | [mac_opus.png](doc/screenshots/mac_opus.png) |
| flv | ✓ | | | [mac_flv.png](doc/screenshots/mac_flv.png) |
| mp4 | ✓ | ✓ | show timeline; show audio/video frames | [mac_mp4.png](doc/screenshots/mac_mp4.png) |
| yuv | ✓ | ✓ | draw y/u/v/yuv picture | [win_yuv.png](doc/screenshots/win_yuv.png) |
diff --git a/doc/screenshots/mac_ogg.png b/doc/screenshots/mac_ogg.png
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diff --git a/doc/screenshots/mac_opus.png b/doc/screenshots/mac_opus.png
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