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avcodec/videotoolboxenc: Set default bitrate to zero

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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.

Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
This commit is contained in:
Zhao Zhili 2024-07-16 20:59:53 +08:00
parent d07da7539d
commit f4e0f40230
1 changed files with 1 additions and 0 deletions
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libavcodec/videotoolboxenc.c
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@ -2933,6 +2933,7 @@ static const AVOption h264_options[] = {
};
static const FFCodecDefault vt_defaults[] = {
{"b", "0"},
{"qmin", "-1"},
{"qmax", "-1"},
{NULL},