Binary compatibility report for the libopenjpeg.so object between 1.4 and 1.5 versions on x86_64

Test Info

Module Name	libopenjpeg
Version #1	1.4
Version #2	1.5
CPU Type	x86_64
GCC Version	4.9.2

Test Results

Total Header Files	1
Total Source Files	4
Total Objects	1
Total Symbols / Types	21 / 82
Compatibility	92.9%

Problem Summary

	Severity	Count
Added Symbols	-	0
Removed Symbols	High	0
Problems with Data Types	High	0
	Medium	3
	Low	10
Problems with Symbols	High	0
	Medium	0
	Low	2
Problems with Constants	Low	0

Problems with Data Types, Medium Severity 3

openjpeg.h
[+] struct opj_tile_info 3

	Change	Effect
1	Field marker has been added at the middle position of this structural type.	1) Size of the inclusive type has been changed. 2) Layout of structure fields has been changed and therefore fields at higher positions of the structure definition may be incorrectly accessed by applications.
2	Field marknum has been added at the middle position of this structural type.	1) Size of the inclusive type has been changed. 2) Layout of structure fields has been changed and therefore fields at higher positions of the structure definition may be incorrectly accessed by applications.
3	Field maxmarknum has been added at the middle position of this structural type.	1) Size of the inclusive type has been changed. 2) Layout of structure fields has been changed and therefore fields at higher positions of the structure definition may be incorrectly accessed by applications.

[+] affected symbols: 3 (14.3%)

opj_decode_with_info ( opj_dinfo_t* dinfo, opj_cio_t* cio, opj_codestream_info_t* cstr_info )

Field 'cstr_info.tile' in 3rd parameter 'cstr_info' (pointer) has base type 'struct opj_tile_info'.

opj_destroy_cstr_info ( opj_codestream_info_t* cstr_info )

Field 'cstr_info.tile' in 1st parameter 'cstr_info' (pointer) has base type 'struct opj_tile_info'.

opj_encode_with_info ( opj_cinfo_t* cinfo, opj_cio_t* cio, opj_image_t* image, opj_codestream_info_t* cstr_info )

Field 'cstr_info.tile' in 4th parameter 'cstr_info' (pointer) has base type 'struct opj_tile_info'.

to the top

Problems with Data Types, Low Severity 10

openjpeg.h
[+] struct opj_cinfo 1

	Change	Effect
1	Type of field is_decompressor has been changed from int to opj_bool.	Replacement of the field data type may indicate a change in the semantic meaning of the field.

[+] affected symbols: 5 (23.8%)

opj_create_compress ( OPJ_CODEC_FORMAT format )

Return value (pointer) has base type 'struct opj_cinfo'.

opj_destroy_compress ( opj_cinfo_t* cinfo )

1st parameter 'cinfo' (pointer) has base type 'struct opj_cinfo'.

opj_encode ( opj_cinfo_t* cinfo, opj_cio_t* cio, opj_image_t* image, char* index )

1st parameter 'cinfo' (pointer) has base type 'struct opj_cinfo'.

opj_encode_with_info ( opj_cinfo_t* cinfo, opj_cio_t* cio, opj_image_t* image, opj_codestream_info_t* cstr_info )

1st parameter 'cinfo' (pointer) has base type 'struct opj_cinfo'.

opj_setup_encoder ( opj_cinfo_t* cinfo, opj_cparameters_t* parameters, opj_image_t* image )

1st parameter 'cinfo' (pointer) has base type 'struct opj_cinfo'.

[+] struct opj_common_struct 1

	Change	Effect
1	Type of field is_decompressor has been changed from int to opj_bool.	Replacement of the field data type may indicate a change in the semantic meaning of the field.

[+] affected symbols: 9 (42.9%)

cio_seek ( opj_cio_t* cio, int pos )

Field 'cio.cinfo' in 1st parameter 'cio' (pointer) has base type 'struct opj_common_struct'.

cio_tell ( opj_cio_t* cio )

Field 'cio.cinfo' in 1st parameter 'cio' (pointer) has base type 'struct opj_common_struct'.

opj_cio_close ( opj_cio_t* cio )

Field 'cio.cinfo' in 1st parameter 'cio' (pointer) has base type 'struct opj_common_struct'.

opj_cio_open ( opj_common_ptr cinfo, unsigned char* buffer, int length )

1st parameter 'cinfo' (pointer) has base type 'struct opj_common_struct'.

opj_decode ( opj_dinfo_t* dinfo, opj_cio_t* cio )

Field 'cio.cinfo' in 2nd parameter 'cio' (pointer) has base type 'struct opj_common_struct'.

opj_decode_with_info ( opj_dinfo_t* dinfo, opj_cio_t* cio, opj_codestream_info_t* cstr_info )

Field 'cio.cinfo' in 2nd parameter 'cio' (pointer) has base type 'struct opj_common_struct'.

opj_encode ( opj_cinfo_t* cinfo, opj_cio_t* cio, opj_image_t* image, char* index )

Field 'cio.cinfo' in 2nd parameter 'cio' (pointer) has base type 'struct opj_common_struct'.

opj_encode_with_info ( opj_cinfo_t* cinfo, opj_cio_t* cio, opj_image_t* image, opj_codestream_info_t* cstr_info )

Field 'cio.cinfo' in 2nd parameter 'cio' (pointer) has base type 'struct opj_common_struct'.

opj_set_event_mgr ( opj_common_ptr cinfo, opj_event_mgr_t* event_mgr, void* context )

1st parameter 'cinfo' (pointer) has base type 'struct opj_common_struct'.

[+] struct opj_cparameters 3

	Change	Effect
1	Field jpip_on has been added to this type.	This field will not be initialized by old clients. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
2	Type of field jpwl_epc_on has been changed from int to opj_bool.	Replacement of the field data type may indicate a change in the semantic meaning of the field.
3	Type of field tile_size_on has been changed from int to opj_bool.	Replacement of the field data type may indicate a change in the semantic meaning of the field.

[+] affected symbols: 2 (9.5%)

opj_set_default_encoder_parameters ( opj_cparameters_t* parameters )

1st parameter 'parameters' (pointer) has base type 'struct opj_cparameters'.

opj_setup_encoder ( opj_cinfo_t* cinfo, opj_cparameters_t* parameters, opj_image_t* image )

2nd parameter 'parameters' (pointer) has base type 'struct opj_cparameters'.

[+] struct opj_dinfo 1

	Change	Effect
1	Type of field is_decompressor has been changed from int to opj_bool.	Replacement of the field data type may indicate a change in the semantic meaning of the field.

[+] affected symbols: 5 (23.8%)

opj_create_decompress ( OPJ_CODEC_FORMAT format )

Return value (pointer) has base type 'struct opj_dinfo'.

opj_decode ( opj_dinfo_t* dinfo, opj_cio_t* cio )

1st parameter 'dinfo' (pointer) has base type 'struct opj_dinfo'.

opj_decode_with_info ( opj_dinfo_t* dinfo, opj_cio_t* cio, opj_codestream_info_t* cstr_info )

1st parameter 'dinfo' (pointer) has base type 'struct opj_dinfo'.

opj_destroy_decompress ( opj_dinfo_t* dinfo )

1st parameter 'dinfo' (pointer) has base type 'struct opj_dinfo'.

opj_setup_decoder ( opj_dinfo_t* dinfo, opj_dparameters_t* parameters )

1st parameter 'dinfo' (pointer) has base type 'struct opj_dinfo'.

[+] struct opj_dparameters 3

	Change	Effect
1	Field flags has been added to this type.	1) This field will not be initialized by old clients. 2) Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
2	Size of this type has been changed from 8224 bytes to 8228 bytes.	The fields or parameters of such data type may be incorrectly initialized or accessed by old client applications.
3	Type of field jpwl_correct has been changed from int to opj_bool.	Replacement of the field data type may indicate a change in the semantic meaning of the field.

[+] affected symbols: 2 (9.5%)

opj_set_default_decoder_parameters ( opj_dparameters_t* parameters )

1st parameter 'parameters' (pointer) has base type 'struct opj_dparameters'.

opj_setup_decoder ( opj_dinfo_t* dinfo, opj_dparameters_t* parameters )

2nd parameter 'parameters' (pointer) has base type 'struct opj_dparameters'.

[+] struct opj_tile_info 1

	Change	Effect
1	Size of this type has been changed from 592 bytes to 608 bytes.	The fields or parameters of such data type may be incorrectly initialized or accessed by old client applications.

[+] affected symbols: 3 (14.3%)

opj_decode_with_info ( opj_dinfo_t* dinfo, opj_cio_t* cio, opj_codestream_info_t* cstr_info )

Field 'cstr_info.tile' in 3rd parameter 'cstr_info' (pointer) has base type 'struct opj_tile_info'.

opj_destroy_cstr_info ( opj_codestream_info_t* cstr_info )

Field 'cstr_info.tile' in 1st parameter 'cstr_info' (pointer) has base type 'struct opj_tile_info'.

opj_encode_with_info ( opj_cinfo_t* cinfo, opj_cio_t* cio, opj_image_t* image, opj_codestream_info_t* cstr_info )

Field 'cstr_info.tile' in 4th parameter 'cstr_info' (pointer) has base type 'struct opj_tile_info'.

to the top

Problems with Symbols, Low Severity 2

openjpeg.h, libopenjpeg.so.1.4.0
[+] opj_encode ( opj_cinfo_t* cinfo, opj_cio_t* cio, opj_image_t* image, char* index ) 1

	Change	Effect
1	Type of return value has been changed from int to opj_bool.	Replacement of return type may indicate a change in its semantic meaning.

[+] opj_encode_with_info ( opj_cinfo_t* cinfo, opj_cio_t* cio, opj_image_t* image, opj_codestream_info_t* cstr_info ) 1

	Change	Effect
1	Type of return value has been changed from int to opj_bool.	Replacement of return type may indicate a change in its semantic meaning.

to the top

Header Files 1

openjpeg.h

to the top

Source Files 4

cio.c
event.c
image.c
openjpeg.c

to the top

Objects 1

libopenjpeg.so.1.4.0

to the top