From patchwork Thu Apr 2 20:56:32 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Niedermayer X-Patchwork-Id: 18582 Return-Path: X-Original-To: patchwork@ffaux-bg.ffmpeg.org Delivered-To: patchwork@ffaux-bg.ffmpeg.org Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by ffaux.localdomain (Postfix) with ESMTP id 4BCCE448912 for ; Fri, 3 Apr 2020 00:02:59 +0300 (EEST) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 2614268A176; Fri, 3 Apr 2020 00:02:59 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from vie01a-dmta-pe02-3.mx.upcmail.net (vie01a-dmta-pe02-3.mx.upcmail.net [62.179.121.159]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id D67B6689A59 for ; Fri, 3 Apr 2020 00:02:52 +0300 (EEST) Received: from [172.31.216.235] (helo=vie01a-pemc-psmtp-pe12.mail.upcmail.net) by vie01a-dmta-pe02.mx.upcmail.net with esmtp (Exim 4.92) (envelope-from ) id 1jK6u6-0005Tt-0P for ffmpeg-devel@ffmpeg.org; Thu, 02 Apr 2020 22:57:34 +0200 Received: from localhost ([213.47.68.29]) by vie01a-pemc-psmtp-pe12.mail.upcmail.net with ESMTP id K6t7jpju26Jy6K6t7joY8S; Thu, 02 Apr 2020 22:56:34 +0200 X-Env-Mailfrom: michael@niedermayer.cc X-Env-Rcptto: ffmpeg-devel@ffmpeg.org X-SourceIP: 213.47.68.29 X-CNFS-Analysis: v=2.3 cv=GKl27dFK c=1 sm=1 tr=0 a=2hcxjKEKjp0CzLx6oWAm4g==:117 a=2hcxjKEKjp0CzLx6oWAm4g==:17 a=MKtGQD3n3ToA:10 a=1oJP67jkp3AA:10 a=GEAsPZ9sns4A:10 a=ZZnuYtJkoWoA:10 a=QCNOJaQG6p7AtuTXp-sA:9 From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Thu, 2 Apr 2020 22:56:32 +0200 Message-Id: <20200402205633.13290-1-michael@niedermayer.cc> X-Mailer: git-send-email 2.17.1 X-CMAE-Envelope: MS4wfC55zP4HO/7veLugFy3Lbtz9v+amji89EFu5HfARS0ONaydqTjnAUXDP5jHJxt/CqKgnxor6DcalaHNjSPF7Nz+Xjv3wjyF27mok61mAB2jQU0eR5b4V PoODrU4snccUT+esKO+YHu/DH81qzb42WUL4dD6I+iQ+57DtH1CHt6Zk Subject: [FFmpeg-devel] [PATCH 1/2] swscale/yuv2rgb: Fix vertical dither offset with slices X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Signed-off-by: Michael Niedermayer --- libswscale/yuv2rgb.c | 43 ++++++++++++++++++++++--------------------- 1 file changed, 22 insertions(+), 21 deletions(-) diff --git a/libswscale/yuv2rgb.c b/libswscale/yuv2rgb.c index d0df061e4d..588462504e 100644 --- a/libswscale/yuv2rgb.c +++ b/libswscale/yuv2rgb.c @@ -138,10 +138,11 @@ const int *sws_getCoefficients(int colorspace) srcStride[2] *= 2; \ } \ for (y = 0; y < srcSliceH; y += 2) { \ + int yd = y + srcSliceY; \ dst_type *dst_1 = \ - (dst_type *)(dst[0] + (y + srcSliceY) * dstStride[0]); \ + (dst_type *)(dst[0] + (yd) * dstStride[0]); \ dst_type *dst_2 = \ - (dst_type *)(dst[0] + (y + srcSliceY + 1) * dstStride[0]); \ + (dst_type *)(dst[0] + (yd + 1) * dstStride[0]); \ dst_type av_unused *r, *g, *b; \ const uint8_t *py_1 = src[0] + y * srcStride[0]; \ const uint8_t *py_2 = py_1 + srcStride[0]; \ @@ -498,8 +499,8 @@ CLOSEYUV2RGBFUNC(8) // r, g, b, dst_1, dst_2 YUV2RGBFUNC(yuv2rgb_c_8_ordered_dither, uint8_t, 0) - const uint8_t *d32 = ff_dither_8x8_32[y & 7]; - const uint8_t *d64 = ff_dither_8x8_73[y & 7]; + const uint8_t *d32 = ff_dither_8x8_32[yd & 7]; + const uint8_t *d64 = ff_dither_8x8_73[yd & 7]; #define PUTRGB8(dst, src, i, o) \ Y = src[2 * i]; \ @@ -528,8 +529,8 @@ YUV2RGBFUNC(yuv2rgb_c_8_ordered_dither, uint8_t, 0) PUTRGB8(dst_1, py_1, 3, 6); ENDYUV2RGBLINE(8, 0) - const uint8_t *d32 = ff_dither_8x8_32[y & 7]; - const uint8_t *d64 = ff_dither_8x8_73[y & 7]; + const uint8_t *d32 = ff_dither_8x8_32[yd & 7]; + const uint8_t *d64 = ff_dither_8x8_73[yd & 7]; LOADCHROMA(0); PUTRGB8(dst_1, py_1, 0, 0); PUTRGB8(dst_2, py_2, 0, 0 + 8); @@ -539,8 +540,8 @@ ENDYUV2RGBLINE(8, 0) PUTRGB8(dst_1, py_1, 1, 2); ENDYUV2RGBLINE(8, 1) - const uint8_t *d32 = ff_dither_8x8_32[y & 7]; - const uint8_t *d64 = ff_dither_8x8_73[y & 7]; + const uint8_t *d32 = ff_dither_8x8_32[yd & 7]; + const uint8_t *d64 = ff_dither_8x8_73[yd & 7]; LOADCHROMA(0); PUTRGB8(dst_1, py_1, 0, 0); PUTRGB8(dst_2, py_2, 0, 0 + 8); @@ -549,8 +550,8 @@ ENDYUV2RGBFUNC() YUV2RGBFUNC(yuv2rgb_c_4_ordered_dither, uint8_t, 0) - const uint8_t * d64 = ff_dither_8x8_73[y & 7]; - const uint8_t *d128 = ff_dither_8x8_220[y & 7]; + const uint8_t * d64 = ff_dither_8x8_73[yd & 7]; + const uint8_t *d128 = ff_dither_8x8_220[yd & 7]; int acc; #define PUTRGB4D(dst, src, i, o) \ @@ -581,8 +582,8 @@ YUV2RGBFUNC(yuv2rgb_c_4_ordered_dither, uint8_t, 0) PUTRGB4D(dst_1, py_1, 3, 6); ENDYUV2RGBLINE(4, 0) - const uint8_t * d64 = ff_dither_8x8_73[y & 7]; - const uint8_t *d128 = ff_dither_8x8_220[y & 7]; + const uint8_t * d64 = ff_dither_8x8_73[yd & 7]; + const uint8_t *d128 = ff_dither_8x8_220[yd & 7]; int acc; LOADCHROMA(0); PUTRGB4D(dst_1, py_1, 0, 0); @@ -593,8 +594,8 @@ ENDYUV2RGBLINE(4, 0) PUTRGB4D(dst_1, py_1, 1, 2); ENDYUV2RGBLINE(4, 1) - const uint8_t * d64 = ff_dither_8x8_73[y & 7]; - const uint8_t *d128 = ff_dither_8x8_220[y & 7]; + const uint8_t * d64 = ff_dither_8x8_73[yd & 7]; + const uint8_t *d128 = ff_dither_8x8_220[yd & 7]; int acc; LOADCHROMA(0); PUTRGB4D(dst_1, py_1, 0, 0); @@ -602,8 +603,8 @@ ENDYUV2RGBLINE(4, 1) ENDYUV2RGBFUNC() YUV2RGBFUNC(yuv2rgb_c_4b_ordered_dither, uint8_t, 0) - const uint8_t *d64 = ff_dither_8x8_73[y & 7]; - const uint8_t *d128 = ff_dither_8x8_220[y & 7]; + const uint8_t *d64 = ff_dither_8x8_73[yd & 7]; + const uint8_t *d128 = ff_dither_8x8_220[yd & 7]; #define PUTRGB4DB(dst, src, i, o) \ Y = src[2 * i]; \ @@ -631,8 +632,8 @@ YUV2RGBFUNC(yuv2rgb_c_4b_ordered_dither, uint8_t, 0) PUTRGB4DB(dst_2, py_2, 3, 6 + 8); PUTRGB4DB(dst_1, py_1, 3, 6); ENDYUV2RGBLINE(8, 0) - const uint8_t *d64 = ff_dither_8x8_73[y & 7]; - const uint8_t *d128 = ff_dither_8x8_220[y & 7]; + const uint8_t *d64 = ff_dither_8x8_73[yd & 7]; + const uint8_t *d128 = ff_dither_8x8_220[yd & 7]; LOADCHROMA(0); PUTRGB4DB(dst_1, py_1, 0, 0); PUTRGB4DB(dst_2, py_2, 0, 0 + 8); @@ -641,15 +642,15 @@ ENDYUV2RGBLINE(8, 0) PUTRGB4DB(dst_2, py_2, 1, 2 + 8); PUTRGB4DB(dst_1, py_1, 1, 2); ENDYUV2RGBLINE(8, 1) - const uint8_t *d64 = ff_dither_8x8_73[y & 7]; - const uint8_t *d128 = ff_dither_8x8_220[y & 7]; + const uint8_t *d64 = ff_dither_8x8_73[yd & 7]; + const uint8_t *d128 = ff_dither_8x8_220[yd & 7]; LOADCHROMA(0); PUTRGB4DB(dst_1, py_1, 0, 0); PUTRGB4DB(dst_2, py_2, 0, 0 + 8); ENDYUV2RGBFUNC() YUV2RGBFUNC(yuv2rgb_c_1_ordered_dither, uint8_t, 0) - const uint8_t *d128 = ff_dither_8x8_220[y & 7]; + const uint8_t *d128 = ff_dither_8x8_220[yd & 7]; char out_1 = 0, out_2 = 0; g = c->table_gU[128 + YUVRGB_TABLE_HEADROOM] + c->table_gV[128 + YUVRGB_TABLE_HEADROOM];