diff options
Diffstat (limited to 'src/3rdparty/libjpeg/src/jdsample.c')
-rw-r--r-- | src/3rdparty/libjpeg/src/jdsample.c | 38 |
1 files changed, 22 insertions, 16 deletions
diff --git a/src/3rdparty/libjpeg/src/jdsample.c b/src/3rdparty/libjpeg/src/jdsample.c index 50a68b3013..eaad72a030 100644 --- a/src/3rdparty/libjpeg/src/jdsample.c +++ b/src/3rdparty/libjpeg/src/jdsample.c @@ -8,7 +8,7 @@ * Copyright (C) 2010, 2015-2016, D. R. Commander. * Copyright (C) 2014, MIPS Technologies, Inc., California. * Copyright (C) 2015, Google, Inc. - * Copyright (C) 2019, Arm Limited. + * Copyright (C) 2019-2020, Arm Limited. * For conditions of distribution and use, see the accompanying README.ijg * file. * @@ -177,7 +177,7 @@ int_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr, outptr = output_data[outrow]; outend = outptr + cinfo->output_width; while (outptr < outend) { - invalue = *inptr++; /* don't need GETJSAMPLE() here */ + invalue = *inptr++; for (h = h_expand; h > 0; h--) { *outptr++ = invalue; } @@ -213,7 +213,7 @@ h2v1_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr, outptr = output_data[inrow]; outend = outptr + cinfo->output_width; while (outptr < outend) { - invalue = *inptr++; /* don't need GETJSAMPLE() here */ + invalue = *inptr++; *outptr++ = invalue; *outptr++ = invalue; } @@ -242,7 +242,7 @@ h2v2_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr, outptr = output_data[outrow]; outend = outptr + cinfo->output_width; while (outptr < outend) { - invalue = *inptr++; /* don't need GETJSAMPLE() here */ + invalue = *inptr++; *outptr++ = invalue; *outptr++ = invalue; } @@ -283,20 +283,20 @@ h2v1_fancy_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr, inptr = input_data[inrow]; outptr = output_data[inrow]; /* Special case for first column */ - invalue = GETJSAMPLE(*inptr++); + invalue = *inptr++; *outptr++ = (JSAMPLE)invalue; - *outptr++ = (JSAMPLE)((invalue * 3 + GETJSAMPLE(*inptr) + 2) >> 2); + *outptr++ = (JSAMPLE)((invalue * 3 + inptr[0] + 2) >> 2); for (colctr = compptr->downsampled_width - 2; colctr > 0; colctr--) { /* General case: 3/4 * nearer pixel + 1/4 * further pixel */ - invalue = GETJSAMPLE(*inptr++) * 3; - *outptr++ = (JSAMPLE)((invalue + GETJSAMPLE(inptr[-2]) + 1) >> 2); - *outptr++ = (JSAMPLE)((invalue + GETJSAMPLE(*inptr) + 2) >> 2); + invalue = (*inptr++) * 3; + *outptr++ = (JSAMPLE)((invalue + inptr[-2] + 1) >> 2); + *outptr++ = (JSAMPLE)((invalue + inptr[0] + 2) >> 2); } /* Special case for last column */ - invalue = GETJSAMPLE(*inptr); - *outptr++ = (JSAMPLE)((invalue * 3 + GETJSAMPLE(inptr[-1]) + 1) >> 2); + invalue = *inptr; + *outptr++ = (JSAMPLE)((invalue * 3 + inptr[-1] + 1) >> 2); *outptr++ = (JSAMPLE)invalue; } } @@ -338,7 +338,7 @@ h1v2_fancy_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr, outptr = output_data[outrow++]; for (colctr = 0; colctr < compptr->downsampled_width; colctr++) { - thiscolsum = GETJSAMPLE(*inptr0++) * 3 + GETJSAMPLE(*inptr1++); + thiscolsum = (*inptr0++) * 3 + (*inptr1++); *outptr++ = (JSAMPLE)((thiscolsum + bias) >> 2); } } @@ -381,8 +381,8 @@ h2v2_fancy_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr, outptr = output_data[outrow++]; /* Special case for first column */ - thiscolsum = GETJSAMPLE(*inptr0++) * 3 + GETJSAMPLE(*inptr1++); - nextcolsum = GETJSAMPLE(*inptr0++) * 3 + GETJSAMPLE(*inptr1++); + thiscolsum = (*inptr0++) * 3 + (*inptr1++); + nextcolsum = (*inptr0++) * 3 + (*inptr1++); *outptr++ = (JSAMPLE)((thiscolsum * 4 + 8) >> 4); *outptr++ = (JSAMPLE)((thiscolsum * 3 + nextcolsum + 7) >> 4); lastcolsum = thiscolsum; thiscolsum = nextcolsum; @@ -390,7 +390,7 @@ h2v2_fancy_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr, for (colctr = compptr->downsampled_width - 2; colctr > 0; colctr--) { /* General case: 3/4 * nearer pixel + 1/4 * further pixel in each */ /* dimension, thus 9/16, 3/16, 3/16, 1/16 overall */ - nextcolsum = GETJSAMPLE(*inptr0++) * 3 + GETJSAMPLE(*inptr1++); + nextcolsum = (*inptr0++) * 3 + (*inptr1++); *outptr++ = (JSAMPLE)((thiscolsum * 3 + lastcolsum + 8) >> 4); *outptr++ = (JSAMPLE)((thiscolsum * 3 + nextcolsum + 7) >> 4); lastcolsum = thiscolsum; thiscolsum = nextcolsum; @@ -477,7 +477,13 @@ jinit_upsampler(j_decompress_ptr cinfo) } else if (h_in_group == h_out_group && v_in_group * 2 == v_out_group && do_fancy) { /* Non-fancy upsampling is handled by the generic method */ - upsample->methods[ci] = h1v2_fancy_upsample; +#if defined(__arm__) || defined(__aarch64__) || \ + defined(_M_ARM) || defined(_M_ARM64) + if (jsimd_can_h1v2_fancy_upsample()) + upsample->methods[ci] = jsimd_h1v2_fancy_upsample; + else +#endif + upsample->methods[ci] = h1v2_fancy_upsample; upsample->pub.need_context_rows = TRUE; } else if (h_in_group * 2 == h_out_group && v_in_group * 2 == v_out_group) { |