generic-library/opencv
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

increased bitrate of recorded video on 25%

Browse Source
This commit is contained in:
Andrey Morozov 2012-04-13 09:57:41 +00:00
parent d77fb60017
commit 0c273b867e
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
modules/highgui/src/cap_ffmpeg_impl_v2.hpp
View File

@ -983,7 +983,11 @@ static AVStream *icv_add_video_stream_FFMPEG(AVFormatContext *oc,
c->codec_type = AVMEDIA_TYPE_VIDEO;
/* put sample parameters */
c->bit_rate = bitrate;
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);
// took advice from
// http://ffmpeg-users.933282.n4.nabble.com/warning-clipping-1-dct-coefficients-to-127-127-td934297.html
c->qmin = 3;