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minor fix in calculate bitrate

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This commit is contained in:
Andrey Morozov 2012-04-20 11:58:31 +00:00
parent 247e2d085f
commit 742668434c
1 changed files with 3 additions and 3 deletions
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6
modules/highgui/src/cap_ffmpeg_impl_v2.hpp
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@ -985,9 +985,9 @@ static AVStream *icv_add_video_stream_FFMPEG(AVFormatContext *oc,
/* put sample parameters */ /* put sample parameters */
unsigned long long lbit_rate = static_cast<unsigned long long>(bitrate); unsigned long long lbit_rate = static_cast<unsigned long long>(bitrate);
lbit_rate += (bitrate / 4); lbit_rate += (bitrate / 2);
lbit_rate = std::min(lbit_rate, static_cast<unsigned long long>(std::numeric_limits<int>::max())); lbit_rate = std::min(lbit_rate, static_cast<unsigned long long>(std::numeric_limits<int>::max()));
c->bit_rate = bitrate; c->bit_rate = lbit_rate;
// took advice from // took advice from
// http://ffmpeg-users.933282.n4.nabble.com/warning-clipping-1-dct-coefficients-to-127-127-td934297.html // http://ffmpeg-users.933282.n4.nabble.com/warning-clipping-1-dct-coefficients-to-127-127-td934297.html
@ -1466,7 +1466,7 @@ void CvVideoWriter_FFMPEG::close()
} }
unsigned long long lbit_rate = static_cast<unsigned long long>(c->bit_rate); unsigned long long lbit_rate = static_cast<unsigned long long>(c->bit_rate);
lbit_rate += (bitrate / 4); lbit_rate += (bitrate / 2);
lbit_rate = std::min(lbit_rate, static_cast<unsigned long long>(std::numeric_limits<int>::max())); lbit_rate = std::min(lbit_rate, static_cast<unsigned long long>(std::numeric_limits<int>::max()));
c->bit_rate_tolerance = static_cast<int>(lbit_rate); c->bit_rate_tolerance = static_cast<int>(lbit_rate);