From: Zhao Zhili <zhiliz...@tencent.com>
Zero is auto mode. From the doc of videotoolbox:
The default bit rate is zero, which indicates that the video
encoder should determine the size of compressed data.
Before the patch, the default bitrate is 200000 setting by
avcodec/options_table, which doesn't work for most of cases.
---
libavcodec/videotoolboxenc.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libavcodec/videotoolboxenc.c b/libavcodec/videotoolboxenc.c
index 35628341f6..747681fd05 100644
--- a/libavcodec/videotoolboxenc.c
+++ b/libavcodec/videotoolboxenc.c
@@ -2933,6 +2933,7 @@ static const AVOption h264_options[] = {
};
static const FFCodecDefault vt_defaults[] = {
+ {"b", "0"},
{"qmin", "-1"},
{"qmax", "-1"},
{NULL},
--
2.42.0
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