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16-bit lossless JPEG support

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This commit is contained in:
DRC
2022-12-15 12:20:50 -06:00
parent ad4e2ad86f
commit 2241434eb9
46 changed files with 906 additions and 148 deletions
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22
cdjpeg.h
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@@ -36,6 +36,9 @@ struct cjpeg_source_struct {
JSAMPARRAY buffer;
J12SAMPARRAY buffer12;
#ifdef C_LOSSLESS_SUPPORTED
J16SAMPARRAY buffer16;
#endif
JDIMENSION buffer_height;
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
JDIMENSION max_pixels;
@@ -77,6 +80,9 @@ struct djpeg_dest_struct {
*/
JSAMPARRAY buffer;
J12SAMPARRAY buffer12;
#ifdef D_LOSSLESS_SUPPORTED
J16SAMPARRAY buffer16;
#endif
JDIMENSION buffer_height;
};
@@ -111,13 +117,26 @@ EXTERN(djpeg_dest_ptr) jinit_write_bmp(j_decompress_ptr cinfo, boolean is_os2,
boolean use_inversion_array);
EXTERN(cjpeg_source_ptr) jinit_read_gif(j_compress_ptr cinfo);
EXTERN(cjpeg_source_ptr) j12init_read_gif(j_compress_ptr cinfo);
#ifdef C_LOSSLESS_SUPPORTED
EXTERN(cjpeg_source_ptr) j16init_read_gif(j_compress_ptr cinfo);
#endif
EXTERN(djpeg_dest_ptr) jinit_write_gif(j_decompress_ptr cinfo, boolean is_lzw);
EXTERN(djpeg_dest_ptr) j12init_write_gif(j_decompress_ptr cinfo,
boolean is_lzw);
#ifdef D_LOSSLESS_SUPPORTED
EXTERN(djpeg_dest_ptr) j16init_write_gif(j_decompress_ptr cinfo,
boolean is_lzw);
#endif
EXTERN(cjpeg_source_ptr) jinit_read_ppm(j_compress_ptr cinfo);
EXTERN(cjpeg_source_ptr) j12init_read_ppm(j_compress_ptr cinfo);
#ifdef C_LOSSLESS_SUPPORTED
EXTERN(cjpeg_source_ptr) j16init_read_ppm(j_compress_ptr cinfo);
#endif
EXTERN(djpeg_dest_ptr) jinit_write_ppm(j_decompress_ptr cinfo);
EXTERN(djpeg_dest_ptr) j12init_write_ppm(j_decompress_ptr cinfo);
#ifdef D_LOSSLESS_SUPPORTED
EXTERN(djpeg_dest_ptr) j16init_write_ppm(j_decompress_ptr cinfo);
#endif
EXTERN(cjpeg_source_ptr) jinit_read_targa(j_compress_ptr cinfo);
EXTERN(djpeg_dest_ptr) jinit_write_targa(j_decompress_ptr cinfo);
@@ -135,6 +154,9 @@ EXTERN(boolean) set_sample_factors(j_compress_ptr cinfo, char *arg);
EXTERN(void) read_color_map(j_decompress_ptr cinfo, FILE *infile);
EXTERN(void) read_color_map_12(j_decompress_ptr cinfo, FILE *infile);
#ifdef D_LOSSLESS_SUPPORTED
EXTERN(void) read_color_map_16(j_decompress_ptr cinfo, FILE *infile);
#endif
/* common support routines (in cdjpeg.c) */