The JPEG toolbox for Python
License: MIT License
Other repos:
python3 setup.py install
/usr/lib/python3/dist-packages/setuptools/command/install.py:34: SetuptoolsDeprecationWarning: setup.py install is deprecated. Use build and pip and other standards-based tools.
warnings.warn(
/usr/lib/python3/dist-packages/setuptools/command/easy_install.py:146: EasyInstallDeprecationWarning: easy_install command is deprecated. Use build and pip and other standards-based tools.
warnings.warn(
jpeg_toolbox_extension.c: In function ‘read_file’:
jpeg_toolbox_extension.c:197:53: error: ‘struct jpeg_decompress_struct’ has no member named ‘block_size’
197 | result = dict_add_int(result, "block_size", cinfo.block_size);
| ^
jpeg_toolbox_extension.c:198:65: error: ‘struct jpeg_decompress_struct’ has no member named ‘min_DCT_h_scaled_size’; did you mean ‘min_DCT_scaled_size’?
198 | esult = dict_add_int(result, "min_DCT_h_scaled_size", cinfo.min_DCT_h_scaled_size);
| ^~~~~~~~~~~~~~~~~~~~~
| min_DCT_scaled_size
jpeg_toolbox_extension.c:199:65: error: ‘struct jpeg_decompress_struct’ has no member named ‘min_DCT_v_scaled_size’; did you mean ‘min_DCT_scaled_size’?
199 | esult = dict_add_int(result, "min_DCT_v_scaled_size", cinfo.min_DCT_v_scaled_size);
| ^~~~~~~~~~~~~~~~~~~~~
| min_DCT_scaled_size
jpeg_toolbox_extension.c:219:63: error: ‘jpeg_component_info’ has no member named ‘DCT_h_scaled_size’; did you mean ‘DCT_scaled_size’?
219 | comp = dict_add_int(comp, "DCT_h_scaled_size", compptr->DCT_h_scaled_size);
| ^~~~~~~~~~~~~~~~~
| DCT_scaled_size
jpeg_toolbox_extension.c:220:63: error: ‘jpeg_component_info’ has no member named ‘DCT_v_scaled_size’; did you mean ‘DCT_scaled_size’?
220 | comp = dict_add_int(comp, "DCT_v_scaled_size", compptr->DCT_v_scaled_size);
| ^~~~~~~~~~~~~~~~~
| DCT_scaled_size
jpeg_toolbox_extension.c: In function ‘write_file’:
jpeg_toolbox_extension.c:475:9: error: ‘struct jpeg_compress_struct’ has no member named ‘block_size’
475 | cinfo.block_size = dict_get_int(data, "block_size");
| ^
jpeg_toolbox_extension.c:476:9: error: ‘struct jpeg_compress_struct’ has no member named ‘min_DCT_h_scaled_size’
476 | cinfo.min_DCT_h_scaled_size = dict_get_int(data, "min_DCT_h_scaled_size");
| ^
jpeg_toolbox_extension.c:477:9: error: ‘struct jpeg_compress_struct’ has no member named ‘min_DCT_v_scaled_size’
477 | cinfo.min_DCT_v_scaled_size = dict_get_int(data, "min_DCT_v_scaled_size");
| ^
jpeg_toolbox_extension.c:500:16: error: ‘jpeg_component_info’ has no member named ‘DCT_h_scaled_size’; did you mean ‘DCT_scaled_size’?
500 | compptr->DCT_h_scaled_size = dict_get_int(item, "DCT_h_scaled_size");
| ^~~~~~~~~~~~~~~~~
| DCT_scaled_size
jpeg_toolbox_extension.c:501:16: error: ‘jpeg_component_info’ has no member named ‘DCT_v_scaled_size’; did you mean ‘DCT_scaled_size’?
501 | compptr->DCT_v_scaled_size = dict_get_int(item, "DCT_v_scaled_size");
| ^~~~~~~~~~~~~~~~~
| DCT_scaled_size
error: command '/usr/bin/x86_64-linux-gnu-gcc' failed with exit code 1
Thanks for your work.
When I read an image with your toolbox, it has the following keys:
'image_width', 'image_height', 'image_color_space', 'image_components', 'jpeg_color_space', 'jpeg_components', 'progressive_mode', 'comp_info', 'quant_tables', 'ac_huff_tables', 'dc_huff_tables', 'coef_arrays'
I am not sure about the meaning of them. For example, what is the meaning of 'jpeg_color_space' = 3?
Can you provide their descriptions (or the reference of descriptions)?
Hi, thanks for such a good work ! When I try to use the jpeg_toolbox.load() to read my jpg pics, it returns an empty dictionary, the original error is:
KeyError Traceback (most recent call last)
in
1 prefix = "../data/JPG"
2
----> 3 test = jpeg_toolbox.load(f"{prefix}/00899.jpg")
/data/anaconda3/lib/python3.8/site-packages/jpeg_toolbox.py in load(path, use_blocks)
23 r = jpeg.read_file(path.encode())
24
---> 25 r["quant_tables"] = np.array(r["quant_tables"])
26
27 for i in range(len(r["ac_huff_tables"])):
KeyError: 'quant_tables'
My python environment is 3.8 with Linux version 4.4.0-210-generic (buildd@lgw01-amd64-009) (gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.12) ). Have no clue why this happened. Is there any thing I've missed ? and what's the exact environment this repository is compatible with? Thanks if you can help me out.
the function "jpeg_toolbox.save()" does not work, I got a jpeg image with size of 0kb through the function everytime. How should I resolve this problem？
ERROR: Failed building wheel for jpeg-toolbox
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