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avcodec/videotoolboxenc: Set default bitrate to zero
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>
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@ -2933,6 +2933,7 @@ static const AVOption h264_options[] = {
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};
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};
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static const FFCodecDefault vt_defaults[] = {
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static const FFCodecDefault vt_defaults[] = {
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{"b", "0"},
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{"qmin", "-1"},
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{"qmin", "-1"},
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{"qmax", "-1"},
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{"qmax", "-1"},
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{NULL},
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{NULL},
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