Recent comments

Reply to: I still get LIBRAW_THUMBNAIL_UNKNOWN from master branch 6 years 3 months ago

Could you please apply the patch shown above (print T.tformat in simple_dcraw -e) and check is tformat is really not 1.
Just change the line:
printf("Writing thumbnail file......
to
printf("Writing thumbnail file %s with format: %d\n", thumbfn,T.tformat);

Reply to: I still get LIBRAW_THUMBNAIL_UNKNOWN from master branch 6 years 3 months ago

What am I doing wrong?

I'm running macOS 10.13.6.

I pulled the master branch, and "git branch" returned "* master". ./version.sh returned 0.19.0-Beta1

I ran ./mkdist.sh (since there is no configure file). I could see that mkdist.sh called wget and wiped out dcraw.c in the dcraw directory with an older version.

After that, I just ran "./configure". I removed -DUSE_JASPER and added -DUSER_ZLIB.

I then performed "make" and "sudo make install".

The .h files are up-to-date. And I'm still seeing LIBRAW_THUMBNAIL_UNKNOWN

No idea why at this point.

Reply to: I still get LIBRAW_THUMBNAIL_UNKNOWN from master branch 6 years 3 months ago

Dear Sir:

Dear Sir:
We tried to reproduce the problem:
- fetched LibRaw/master from github to make sure
- compiled it with MSVC 2013.
- selected some sample files (Sony A7-3, Fuji X-H1):

raw-identify.exe fuji_xh1_compressed.RAF fuji_xh1_uncompressed.RAF _DSC0010.ARW UNCOMPRESSED_14bit.ARW:

fuji_xh1_compressed.RAF is a Fujifilm X-H1 image.
fuji_xh1_uncompressed.RAF is a Fujifilm X-H1 image.
_DSC0010.ARW is a Sony ILCE-7M3 image.
UNCOMPRESSED_14bit.ARW is a Sony ILCE-7M3 image.

Than I've modified simple_dcraw.cpp sample to print (numerical) format ID:

diff --git a/samples/simple_dcraw.cpp b/samples/simple_dcraw.cpp
index 47c329a..b079a9f 100644
--- a/samples/simple_dcraw.cpp
+++ b/samples/simple_dcraw.cpp
@@ -145,7 +145,7 @@ int main(int ac, char *av[])
T.tformat == LIBRAW_THUMBNAIL_JPEG ? "thumb.jpg" : "thumb.ppm");

if (verbose)
- printf("Writing thumbnail file %s\n", thumbfn);
+ printf("Writing thumbnail file %s with format: %d\n", thumbfn,T.tformat);
if (LIBRAW_SUCCESS != (ret = RawProcessor.dcraw_thumb_writer(thumbfn)))
{
fprintf(stderr, "Cannot write %s: %s\n", thumbfn, libraw_strerror(ret));

And here is the results:
simple_dcraw.exe -v -e _DSC0010.ARW fuji_xh1_compressed.RAF fuji_xh1_uncompressed.RAF UNCOMPRESSED_14bit.ARW:
Processing file _DSC0010.ARW
Writing thumbnail file _DSC0010.ARW.thumb.jpg with format: 1
Processing file fuji_xh1_compressed.RAF
Writing thumbnail file fuji_xh1_compressed.RAF.thumb.jpg with format: 1
Processing file fuji_xh1_uncompressed.RAF
Writing thumbnail file fuji_xh1_uncompressed.RAF.thumb.jpg with format: 1
Processing file UNCOMPRESSED_14bit.ARW
Writing thumbnail file UNCOMPRESSED_14bit.ARW.thumb.jpg with format: 1

From libraw_const.h:

enum LibRaw_thumbnail_formats
{
LIBRAW_THUMBNAIL_UNKNOWN = 0,
LIBRAW_THUMBNAIL_JPEG = 1,

So, all thumbnails format reported is LIBRAW_THUMBNAIL_JPEG

Please make sure you compile the library and your app with same libraw.h

Reply to: Pink/purple color cast on Sony A7III ARW file? 6 years 3 months ago

I just compiled the master

I just compiled the master branch, there is no pink/purple cast on that ARW file.

I guess something must be different in handling ARW files between these two branches?

Edit:
If the ARW file is decoded in full resolution, the pink/purple cast is still there. It is only when decoded in half size combined with the master branch, then the image looks fine.

Reply to: Pink/purple color cast on Sony A7III ARW file? 6 years 3 months ago

Could not reproduce with

Could not reproduce with dcraw_emu.exe -h -T -w -aexpo 2.3 0 -W

Will try to reproduce on Mac, although it should not be platform specific

Reply to: Pink/purple color cast on Sony A7III ARW file? 6 years 3 months ago

Below is the code I used for

Below is the code I used for processing that Sory A73 ARW file with the pink/purple cast.
Am I doing something wrong?

        LibRaw *rawProcessor = new LibRaw;
        CIImage *ciImage = nil;
        // Set up image processing parameters
        rawProcessor->imgdata.params.half_size = 1;
        rawProcessor->imgdata.params.user_qual = 0;
        rawProcessor->imgdata.params.use_camera_wb = 1;
        rawProcessor->imgdata.params.use_auto_wb = 0;
        rawProcessor->imgdata.params.no_auto_bright = 1;
        rawProcessor->imgdata.params.exp_correc = 1;
        rawProcessor->imgdata.params.exp_shift = 2.3;
        rawProcessor->imgdata.params.use_rawspeed = 0;
        rawProcessor->imgdata.params.user_flip = 0;     // Do not rotate image, let the caller do it
 
        if (rawProcessor->open_file([filePath UTF8String]) == LIBRAW_SUCCESS) {
            int ret = rawProcessor->unpack();
            if (ret == LIBRAW_SUCCESS) {
                ret = rawProcessor->dcraw_process();
                if (ret == LIBRAW_SUCCESS) {
                    libraw_processed_image_t *imageData = rawProcessor->dcraw_make_mem_image(&ret);
                    rawProcessor->recycle();
 
                    // make data provider from buffer
                    CGDataProviderRef provider = CGDataProviderCreateWithData(NULL, imageData->data, imageData->data_size, NULL);
 
                    // set up for CGImage creation
                    int bitsPerComponent = imageData->bits;
                    int bitsPerPixel = imageData->bits * imageData->colors;
                    int bytesPerRow  = bitsPerPixel / 8 * imageData->width;
                    int width = imageData->width;
                    int height = imageData->height;
 
                    CGColorSpaceRef colorSpaceRef = CGColorSpaceCreateDeviceRGB();
                    CGImageRef imageRef = CGImageCreate(width, height, bitsPerComponent, bitsPerPixel, bytesPerRow, colorSpaceRef, kCGBitmapByteOrderDefault, provider, NULL, NO, kCGRenderingIntentDefault);
                    ciImage = [CIImage imageWithCGImage:imageRef];
                    // Free memory
                    CFRelease(colorSpaceRef);
                    CFRelease(imageRef);
                    CFRelease(provider);
                    LibRaw::dcraw_clear_mem(imageData);
                    // Auto adjust image
                    NSDictionary *options = @{ CIDetectorImageOrientation : [NSNumber numberWithInt:1],
                                               kCIImageAutoAdjustRedEye : [NSNumber numberWithBool:NO]};
                    NSArray *adjustments = [ciImage autoAdjustmentFiltersWithOptions:options];
                    for (CIFilter *filter in adjustments) {
                        // Do not apply tone curve, as it can make the contrast too high
                        if ([[filter name] isNotEqualTo:@"CIToneCurve"]) {
                            [filter setValue:ciImage forKey:kCIInputImageKey];
                            ciImage = filter.outputImage;
                        }
                    }
                }
            }
        }
        delete rawProcessor;
        return ciImage;

Reply to: Pink/purple color cast on Sony A7III ARW file? 6 years 3 months ago

We publish master branch

We publish master branch twice a year from our internal repository to github. Publushed version is tested in our end-user software (FastRawViewer, RawDigger), so 'decoder part' usually is reliable (and we do not change postprocessing part much for years, because dcraw_process() is only a sample)

Reply to: Pink/purple color cast on Sony A7III ARW file? 6 years 3 months ago

I do not see any problems

I do not see any problems with LibRaw 0.19.2 and this file (tested with dcraw_emu [-w] from 0.19.2/Windows-64 binary)

Reply to: Pink/purple color cast on Sony A7III ARW file? 6 years 3 months ago

Here is the file:

https://www.dropbox.com/s/rzb3qrjwafayvlz/DSC06132.ARW.zip?dl=0

Reply to: Pink/purple color cast on Sony A7III ARW file? 6 years 3 months ago

How reliable is the master

Sorry for the silly question: how reliable is the master (development) branch?

Reply to: Pink/purple color cast on Sony A7III ARW file? 6 years 3 months ago

And followup: it is hard to

And followup: it is hard to answer some raw-related questions without file samples.

Reply to: Pink/purple color cast on Sony A7III ARW file? 6 years 3 months ago

A7-III is not supported in

A7-III is not supported in LibRaw 0.19
You may consider master (development) branch: https://github.com/LibRaw/LibRaw/