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Rearrange CvVideoWriter_FFMPEG::writeFrame for better readability

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This commit is contained in:
Roman Donchenko 2016-03-16 16:28:59 +03:00
parent d142c05d61
commit 421fcf9e35
1 changed files with 15 additions and 16 deletions
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31
modules/highgui/src/cap_ffmpeg_impl.hpp
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@ -1552,7 +1552,20 @@ static int icv_av_write_frame_FFMPEG( AVFormatContext * oc, AVStream * video_st,
/// write a frame with FFMPEG
bool CvVideoWriter_FFMPEG::writeFrame( const unsigned char* data, int step, int width, int height, int cn, int origin )
{
bool ret = false;
// check parameters
if (input_pix_fmt == AV_PIX_FMT_BGR24) {
if (cn != 3) {
return false;
}
}
else if (input_pix_fmt == AV_PIX_FMT_GRAY8) {
if (cn != 1) {
return false;
}
}
else {
assert(false);
}
if( (width & -2) != frame_width || (height & -2) != frame_height || !data )
return false;
@ -1605,20 +1618,6 @@ bool CvVideoWriter_FFMPEG::writeFrame( const unsigned char* data, int step, int
}
#endif
// check parameters
if (input_pix_fmt == AV_PIX_FMT_BGR24) {
if (cn != 3) {
return false;
}
}
else if (input_pix_fmt == AV_PIX_FMT_GRAY8) {
if (cn != 1) {
return false;
}
}
else {
assert(false);
}
if ( c->pix_fmt != input_pix_fmt ) {
assert( input_picture );
@ -1652,7 +1651,7 @@ bool CvVideoWriter_FFMPEG::writeFrame( const unsigned char* data, int step, int
}
picture->pts = frame_idx;
ret = icv_av_write_frame_FFMPEG( oc, video_st, outbuf, outbuf_size, picture) >= 0;
bool ret = icv_av_write_frame_FFMPEG( oc, video_st, outbuf, outbuf_size, picture) >= 0;
frame_idx++;
return ret;