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increased bitrate of recorded video on 25%

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This commit is contained in:
Andrey Morozov
2012-04-13 10:25:29 +00:00
parent 0c273b867e
commit 5a21ac5ee4
1 changed files with 5 additions and 2 deletions
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7
modules/highgui/src/cap_ffmpeg_impl_v2.hpp
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@@ -986,7 +986,7 @@ static AVStream *icv_add_video_stream_FFMPEG(AVFormatContext *oc,
unsigned long long lbit_rate = static_cast<unsigned long long>(bitrate);
lbit_rate += (bitrate / 4);
lbit_rate = std::min(lbit_rate, static_cast<unsigned long long>(std::numeric_limits<int>::max()));
c->bit_rate = static_cast<int>(lbit_rate);
c->bit_rate = bitrate;
// took advice from
// http://ffmpeg-users.933282.n4.nabble.com/warning-clipping-1-dct-coefficients-to-127-127-td934297.html
@@ -1457,7 +1457,10 @@ void CvVideoWriter_FFMPEG::close()
return false;
}
c->bit_rate_tolerance = c->bit_rate;
unsigned long long lbit_rate = static_cast<unsigned long long>(c->bit_rate);
lbit_rate += (bitrate / 4);
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);
/* open the codec */
if ((err=