vault backup: 2023-12-25 16:58:25

2023-12-25 16:58:25 +08:00
parent c80cbc264b
commit bc4e4520a1
8 changed files with 70 additions and 14 deletions
--- a/Programming/FFMPEG/av_opt_set.md
+++ b/Programming/FFMPEG/av_opt_set.md
@@ -0,0 +1,8 @@
+`av_opt_set()` 可以設定很多東西，例如：
+```cpp
+av_opt_set(codecContext, "preset", "ultrafaset", 0); // 速度慢，高品質
+av_opt_set(codecContext, "tune", "fastdecode", 0);
+av_opt_set(avStream->codecContext->priv_data, "profile", "baseline", 0);
+```
+
+詳細請看[Encode/H.264 – FFmpeg](https://trac.ffmpeg.org/wiki/Encode/H.264)。