opencv/3rdparty/libtiff/tif_jpeg_12.c

#include "tiffiop.h"

#if defined(HAVE_JPEGTURBO_DUAL_MODE_8_12)
#define JPEG_DUAL_MODE_8_12
#endif

#if defined(JPEG_DUAL_MODE_8_12)

#define FROM_TIF_JPEG_12

#ifdef TIFFInitJPEG
#undef TIFFInitJPEG
#endif
#define TIFFInitJPEG TIFFInitJPEG_12

#ifdef TIFFJPEGIsFullStripRequired
#undef TIFFJPEGIsFullStripRequired
#endif
#define TIFFJPEGIsFullStripRequired TIFFJPEGIsFullStripRequired_12

int TIFFInitJPEG_12(TIFF *tif, int scheme);

#if !defined(HAVE_JPEGTURBO_DUAL_MODE_8_12)
#include LIBJPEG_12_PATH
#endif

#include "tif_jpeg.c"

int TIFFReInitJPEG_12(TIFF *tif, const JPEGOtherSettings *otherSettings,
                      int scheme, int is_encode)
{
    JPEGState *sp;
    uint8_t *new_tif_data;

    (void)scheme;
    assert(scheme == COMPRESSION_JPEG);

    new_tif_data =
        (uint8_t *)_TIFFreallocExt(tif, tif->tif_data, sizeof(JPEGState));

    if (new_tif_data == NULL)
    {
        TIFFErrorExtR(tif, "TIFFReInitJPEG_12",
                      "No space for JPEG state block");
        return 0;
    }

    tif->tif_data = new_tif_data;
    _TIFFmemset(tif->tif_data, 0, sizeof(JPEGState));

    TIFFInitJPEGCommon(tif);

    sp = JState(tif);
    sp->otherSettings = *otherSettings;

    if (is_encode)
        return JPEGSetupEncode(tif);
    else
        return JPEGSetupDecode(tif);
}

#endif /* defined(JPEG_DUAL_MODE_8_12) */