diff options
Diffstat (limited to 'src/3rdparty/libjpeg/src/jdcolext.c')
| -rw-r--r-- | src/3rdparty/libjpeg/src/jdcolext.c | 56 |
1 files changed, 29 insertions, 27 deletions
diff --git a/src/3rdparty/libjpeg/src/jdcolext.c b/src/3rdparty/libjpeg/src/jdcolext.c index 72a5301070..f22e29d722 100644 --- a/src/3rdparty/libjpeg/src/jdcolext.c +++ b/src/3rdparty/libjpeg/src/jdcolext.c @@ -4,7 +4,7 @@ * This file was part of the Independent JPEG Group's software: * Copyright (C) 1991-1997, Thomas G. Lane. * libjpeg-turbo Modifications: - * Copyright (C) 2009, 2011, 2015, D. R. Commander. + * Copyright (C) 2009, 2011, 2015, 2022-2023, D. R. Commander. * For conditions of distribution and use, see the accompanying README.ijg * file. * @@ -28,18 +28,19 @@ INLINE LOCAL(void) -ycc_rgb_convert_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf, - JDIMENSION input_row, JSAMPARRAY output_buf, +ycc_rgb_convert_internal(j_decompress_ptr cinfo, _JSAMPIMAGE input_buf, + JDIMENSION input_row, _JSAMPARRAY output_buf, int num_rows) { +#if BITS_IN_JSAMPLE != 16 my_cconvert_ptr cconvert = (my_cconvert_ptr)cinfo->cconvert; register int y, cb, cr; - register JSAMPROW outptr; - register JSAMPROW inptr0, inptr1, inptr2; + register _JSAMPROW outptr; + register _JSAMPROW inptr0, inptr1, inptr2; register JDIMENSION col; JDIMENSION num_cols = cinfo->output_width; /* copy these pointers into registers if possible */ - register JSAMPLE *range_limit = cinfo->sample_range_limit; + register _JSAMPLE *range_limit = (_JSAMPLE *)cinfo->sample_range_limit; register int *Crrtab = cconvert->Cr_r_tab; register int *Cbbtab = cconvert->Cb_b_tab; register JLONG *Crgtab = cconvert->Cr_g_tab; @@ -53,23 +54,26 @@ ycc_rgb_convert_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf, input_row++; outptr = *output_buf++; for (col = 0; col < num_cols; col++) { - y = GETJSAMPLE(inptr0[col]); - cb = GETJSAMPLE(inptr1[col]); - cr = GETJSAMPLE(inptr2[col]); + y = inptr0[col]; + cb = inptr1[col]; + cr = inptr2[col]; /* Range-limiting is essential due to noise introduced by DCT losses. */ outptr[RGB_RED] = range_limit[y + Crrtab[cr]]; outptr[RGB_GREEN] = range_limit[y + ((int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS))]; outptr[RGB_BLUE] = range_limit[y + Cbbtab[cb]]; - /* Set unused byte to 0xFF so it can be interpreted as an opaque */ - /* alpha channel value */ + /* Set unused byte to _MAXJSAMPLE so it can be interpreted as an */ + /* opaque alpha channel value */ #ifdef RGB_ALPHA - outptr[RGB_ALPHA] = 0xFF; + outptr[RGB_ALPHA] = _MAXJSAMPLE; #endif outptr += RGB_PIXELSIZE; } } +#else + ERREXIT(cinfo, JERR_CONVERSION_NOTIMPL); +#endif } @@ -81,11 +85,11 @@ ycc_rgb_convert_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf, INLINE LOCAL(void) -gray_rgb_convert_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf, - JDIMENSION input_row, JSAMPARRAY output_buf, +gray_rgb_convert_internal(j_decompress_ptr cinfo, _JSAMPIMAGE input_buf, + JDIMENSION input_row, _JSAMPARRAY output_buf, int num_rows) { - register JSAMPROW inptr, outptr; + register _JSAMPROW inptr, outptr; register JDIMENSION col; JDIMENSION num_cols = cinfo->output_width; @@ -93,12 +97,11 @@ gray_rgb_convert_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf, inptr = input_buf[0][input_row++]; outptr = *output_buf++; for (col = 0; col < num_cols; col++) { - /* We can dispense with GETJSAMPLE() here */ outptr[RGB_RED] = outptr[RGB_GREEN] = outptr[RGB_BLUE] = inptr[col]; - /* Set unused byte to 0xFF so it can be interpreted as an opaque */ - /* alpha channel value */ + /* Set unused byte to _MAXJSAMPLE so it can be interpreted as an */ + /* opaque alpha channel value */ #ifdef RGB_ALPHA - outptr[RGB_ALPHA] = 0xFF; + outptr[RGB_ALPHA] = _MAXJSAMPLE; #endif outptr += RGB_PIXELSIZE; } @@ -112,12 +115,12 @@ gray_rgb_convert_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf, INLINE LOCAL(void) -rgb_rgb_convert_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf, - JDIMENSION input_row, JSAMPARRAY output_buf, +rgb_rgb_convert_internal(j_decompress_ptr cinfo, _JSAMPIMAGE input_buf, + JDIMENSION input_row, _JSAMPARRAY output_buf, int num_rows) { - register JSAMPROW inptr0, inptr1, inptr2; - register JSAMPROW outptr; + register _JSAMPROW inptr0, inptr1, inptr2; + register _JSAMPROW outptr; register JDIMENSION col; JDIMENSION num_cols = cinfo->output_width; @@ -128,14 +131,13 @@ rgb_rgb_convert_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf, input_row++; outptr = *output_buf++; for (col = 0; col < num_cols; col++) { - /* We can dispense with GETJSAMPLE() here */ outptr[RGB_RED] = inptr0[col]; outptr[RGB_GREEN] = inptr1[col]; outptr[RGB_BLUE] = inptr2[col]; - /* Set unused byte to 0xFF so it can be interpreted as an opaque */ - /* alpha channel value */ + /* Set unused byte to _MAXJSAMPLE so it can be interpreted as an */ + /* opaque alpha channel value */ #ifdef RGB_ALPHA - outptr[RGB_ALPHA] = 0xFF; + outptr[RGB_ALPHA] = _MAXJSAMPLE; #endif outptr += RGB_PIXELSIZE; } |