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[79.124.17.100]) by mx.google.com with ESMTP id hw9-20020a170907a0c900b007815840270csi2482142ejc.118.2022.09.27.13.04.54; Tue, 27 Sep 2022 13:04:56 -0700 (PDT) Received-SPF: pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) client-ip=79.124.17.100; Authentication-Results: mx.google.com; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 4681768BA6F; Tue, 27 Sep 2022 23:04:36 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from ursule.remlab.net (vps-a2bccee9.vps.ovh.net [51.75.19.47]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 85E9268BA5B for ; Tue, 27 Sep 2022 23:04:28 +0300 (EEST) Received: from basile.remlab.net (localhost [IPv6:::1]) by ursule.remlab.net (Postfix) with ESMTP id 44F97C00AF for ; Tue, 27 Sep 2022 23:04:28 +0300 (EEST) From: remi@remlab.net To: ffmpeg-devel@ffmpeg.org Date: Tue, 27 Sep 2022 23:04:23 +0300 Message-Id: <20220927200427.11811-3-remi@remlab.net> X-Mailer: git-send-email 2.37.2 In-Reply-To: <2846208.e9J7NaK4W3@basile.remlab.net> References: <2846208.e9J7NaK4W3@basile.remlab.net> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 3/7] lavc/idctdsp: RISC-V V add_pixels_clamped function X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 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 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: DqzXaOrHirX6 From: Rémi Denis-Courmont --- libavcodec/riscv/idctdsp_init.c | 6 +++++- libavcodec/riscv/idctdsp_rvv.S | 16 ++++++++++++++++ 2 files changed, 21 insertions(+), 1 deletion(-) diff --git a/libavcodec/riscv/idctdsp_init.c b/libavcodec/riscv/idctdsp_init.c index 1a6add80da..58b8a6c97a 100644 --- a/libavcodec/riscv/idctdsp_init.c +++ b/libavcodec/riscv/idctdsp_init.c @@ -28,6 +28,8 @@ void ff_put_pixels_clamped_rvv(const int16_t *block, uint8_t *pixels, ptrdiff_t stride); +void ff_add_pixels_clamped_rvv(const int16_t *block, uint8_t *pixels, + ptrdiff_t stride); av_cold void ff_idctdsp_init_riscv(IDCTDSPContext *c, AVCodecContext *avctx, unsigned high_bit_depth) @@ -35,7 +37,9 @@ av_cold void ff_idctdsp_init_riscv(IDCTDSPContext *c, AVCodecContext *avctx, #if HAVE_RVV int flags = av_get_cpu_flags(); - if ((flags & AV_CPU_FLAG_RVV_I32) && ff_get_rv_vlenb() >= 16) + if ((flags & AV_CPU_FLAG_RVV_I32) && ff_get_rv_vlenb() >= 16) { c->put_pixels_clamped = ff_put_pixels_clamped_rvv; + c->add_pixels_clamped = ff_add_pixels_clamped_rvv; + } #endif } diff --git a/libavcodec/riscv/idctdsp_rvv.S b/libavcodec/riscv/idctdsp_rvv.S index a59edd0a83..e6cb53bd6f 100644 --- a/libavcodec/riscv/idctdsp_rvv.S +++ b/libavcodec/riscv/idctdsp_rvv.S @@ -24,6 +24,7 @@ func ff_put_pixels_clamped_rvv, zve32x vsetivli zero, 8, e16, m1, ta, ma vlseg8e16.v v24, (a0) +1: /* RVV only has signed-signed and unsigned-unsigned clipping. * We need two steps for signed-to-unsigned clipping. */ vsetvli t0, zero, e16, m8, ta, ma @@ -41,3 +42,18 @@ func ff_put_pixels_clamped_rvv, zve32x vssseg8e8.v v16, (a1), a2 ret endfunc + +func ff_add_pixels_clamped_rvv, zve32x + vsetivli zero, 8, e8, mf2, ta, ma + vlseg8e16.v v24, (a0) + vlsseg8e8.v v16, (a1), a2 + vwaddu.wv v24, v24, v16 + vwaddu.wv v25, v25, v17 + vwaddu.wv v26, v26, v18 + vwaddu.wv v27, v27, v19 + vwaddu.wv v28, v28, v20 + vwaddu.wv v29, v29, v21 + vwaddu.wv v30, v30, v22 + vwaddu.wv v31, v31, v23 + j 1b +endfunc