mirror/opencv
1
0
Fork 0
mirror of https://github.com/opencv/opencv.git synced 2025-07-30 17:37:05 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Merge pull request #14989 from alalek:issue_14978

Browse Source
This commit is contained in:
Alexander Alekhin 2019-07-09 14:14:06 +00:00
commit 32b6ebb670
1 changed files with 9 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
modules/imgcodecs/src/loadsave.cpp
View File

@ -748,24 +748,28 @@ bool imwrite( const String& filename, InputArray _img,
static void*
imdecode_( const Mat& buf, int flags, int hdrtype, Mat* mat=0 )
{
CV_Assert(!buf.empty() && buf.isContinuous());
CV_Assert(!buf.empty());
CV_Assert(buf.isContinuous());
CV_Assert(buf.checkVector(1, CV_8U) > 0);
Mat buf_row = buf.reshape(1, 1); // decoders expects single row, avoid issues with vector columns
IplImage* image = 0;
CvMat *matrix = 0;
Mat temp, *data = &temp;
String filename;
ImageDecoder decoder = findDecoder(buf);
ImageDecoder decoder = findDecoder(buf_row);
if( !decoder )
return 0;
if( !decoder->setSource(buf) )
if( !decoder->setSource(buf_row) )
{
filename = tempfile();
FILE* f = fopen( filename.c_str(), "wb" );
if( !f )
return 0;
size_t bufSize = buf.cols*buf.rows*buf.elemSize();
if( fwrite( buf.ptr(), 1, bufSize, f ) != bufSize )
size_t bufSize = buf_row.total()*buf.elemSize();
if (fwrite(buf_row.ptr(), 1, bufSize, f) != bufSize)
{
fclose( f );
CV_Error( CV_StsError, "failed to write image data to temporary file" );