Hey there, just faced the same issue Have you fixed the valgrind warning someway?
пятница, 7 апреля 2017 г. в 02:49:28 UTC-7, fri...@gmail.com: > I have compiled the *basic example* from the wiki: > https://github.com/tesseract-ocr/tesseract/wiki/APIExample > > #include <tesseract/baseapi.h> > #include <leptonica/allheaders.h> > > int main() > { > char *outText; > > tesseract::TessBaseAPI *api = new tesseract::TessBaseAPI(); > // Initialize tesseract-ocr with English, without specifying tessdata > path > if (api->Init(NULL, "eng")) { > fprintf(stderr, "Could not initialize tesseract.\n"); > exit(1); > } > > // Open input image with leptonica library > Pix *image = pixRead("/usr/src/tesseract/testing/phototest.tif"); > api->SetImage(image); > // Get OCR result > outText = api->GetUTF8Text(); > printf("OCR output:\n%s", outText); > > // Destroy used object and release memory > api->End(); > delete [] outText; > pixDestroy(&image); > delete api; // <-- added by me, as it is missing in the example > > return 0; > } > > > > > When I run valgrind on it, it reports serious memory leak: > > ==18441== 18,635,728 bytes in 1 blocks are still reachable in loss record > 29 of 29 > ==18441== at 0x4C2CB3F: malloc (in /usr/lib/valgrind/vgpreload_memcheck > -amd64-linux.so) > ==18441== by 0x5445978: tesseract::SquishedDawg::read_squished_dawg( > _IO_FILE*, tesseract::DawgType, STRING const&, PermuterType, int) (in /usr > /lib/libtesseract.so.3.0.4) > ==18441== by 0x5446C75: tesseract::DawgLoader::Load() (in /usr/lib/ > libtesseract.so.3.0.4) > ==18441== by 0x5446FD6: tesseract::DawgCache::GetSquishedDawg(STRING > const&, char const*, tesseract::TessdataType, int) (in /usr/lib/ > libtesseract.so.3.0.4) > ==18441== by 0x544D7B5: tesseract::Dict::Load(tesseract::DawgCache*) ( > in /usr/lib/libtesseract.so.3.0.4) > ==18441== by 0x541199D: tesseract::Wordrec::program_editup(char const*, > bool, bool) (in /usr/lib/libtesseract.so.3.0.4) > ==18441== by 0x5350D68: tesseract::Tesseract::init_tesseract_internal( > char const*, char const*, char const*, tesseract::OcrEngineMode, char**, > int, GenericVector<STRING> const*, GenericVector<STRING> const*, bool) (in > /usr/lib/libtesseract.so.3.0.4) > ==18441== by 0x535184C: tesseract::Tesseract::init_tesseract(char const > *, char const*, char const*, tesseract::OcrEngineMode, char**, int, > GenericVector<STRING> const*, GenericVector<STRING> const*, bool) (in /usr > /lib/libtesseract.so.3.0.4) > ==18441== by 0x5302247: tesseract::TessBaseAPI::Init(char const*, char > const*, tesseract::OcrEngineMode, char**, int, GenericVector<STRING> const > *, GenericVector<STRING> const*, bool) (in /usr/lib/libtesseract.so.3.0.4) > ==18441== by 0x108F26: tesseract::TessBaseAPI::Init(char const*, char > const*) (baseapi.h:240) > ==18441== by 0x108DC4: main (main.cpp:10) > > > > There are several more leak related to this function, and some others > related to leptonica, but nothing of this magnitude. I have added the > missing delete api; line, that's missing in the API example, but that > changes nothing. > > Is there really such a major leak in the lib, or am I using it incorrectly? > > OS: Ubuntu 16.10 (x64) > Tesseract: 3.0.4 from Ubuntu repositories > GCC: gcc version 6.2.0 20161005 (Ubuntu 6.2.0-5ubuntu12) > > > Best, > vf > -- You received this message because you are subscribed to the Google Groups "tesseract-ocr" group. To unsubscribe from this group and stop receiving emails from it, send an email to tesseract-ocr+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/tesseract-ocr/e51894e5-3f04-48f0-9237-60837cfdd198n%40googlegroups.com.
