From patchwork Sun Sep 4 13:55:02 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?R=C3=A9mi_Denis-Courmont?= X-Patchwork-Id: 37648 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a05:6a20:139a:b0:8f:1db5:eae2 with SMTP id w26csp2093359pzh; Sun, 4 Sep 2022 06:55:51 -0700 (PDT) X-Google-Smtp-Source: AA6agR7i4xvb/LydZg/AYP+oRD9BC4hZZFcIiEeVLtA4wyl1+VkDv4jxz3MqEgVJYszUaKsugWUZ X-Received: by 2002:a05:6402:3484:b0:448:cc83:2bff with SMTP id v4-20020a056402348400b00448cc832bffmr22436621edc.65.1662299751484; Sun, 04 Sep 2022 06:55:51 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1662299751; cv=none; d=google.com; s=arc-20160816; b=ibo6aCEldOGemGlDsA/xIs+XAV4cjvHtaci2bhtUBCTTgGrVdCz7iDnvL1JDL4GjDh 9tvLSLpbzohEXNZquRhp+n+wXvvyAgGucLfA4vmqBcZ0lt7/jlQ4Sz6gMo2Vs0CtK1P+ TMr6ubJocJp2rPpmPj1cPz/mEH4B+HAveSl7XV754+FL3VlGBsXSYLPFwO2Pvj4JlM0S jrkwhfbUdqzHH9CyDRnHZGO9TqeR2dmuA9PpGI1swX6RAB1cbhDzd3IiOC8CaX1RCLhy nn90gGgACNZ5T+1OrhrSyQ0eDdFEaZoJ+c/Z0LLl8S6jprwuQa70LoKZURTT+5XEj+3h IjLg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:reply-to:list-subscribe :list-help:list-post:list-archive:list-unsubscribe:list-id :precedence:subject:mime-version:references:in-reply-to:message-id :date:to:from:delivered-to; bh=6Sj7W7mvmmu4A84bq1Cox9mUGWaHSOoxWgDubCg6dgc=; b=STscrnHMWgbSUkkPXaT/1fgz0YmMpmnkZt1liHiSD14hSREAH8R+eNnpiKkbZV+lnx Lh+MrjJsLFB1EKzCvT0OkeP5VO0XUfkN+QnPNDWVT2NWLxS4ZCuqy+qQBKLb461zPHtM xZ32r5ltyJfAxi44ANcZFly9smzgWM5qs1U/R513cejuM3uoMqEdT6YV/lXLopm7DqCx D4J+0nTZP12ks1TM0K6mLGso8+w3LoStMTnDoeIF0YBMfh0MaIOgqVG6AIJWANIoGnYV id7aVSmOj7OfJBMWNRH7jjn1pL7uhCZ/4jXaw5fA9v5ZNJTqKDFK7POlAqUX+WDtK2K8 FqrA== ARC-Authentication-Results: i=1; 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 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org. [79.124.17.100]) by mx.google.com with ESMTP id d4-20020a056402144400b0044e85e75120si423692edx.84.2022.09.04.06.55.51; Sun, 04 Sep 2022 06:55:51 -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 7DC9868BAFC; Sun, 4 Sep 2022 16:55:10 +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 25E3F68BAAE for ; Sun, 4 Sep 2022 16:55:05 +0300 (EEST) Received: from basile.remlab.net (localhost [IPv6:::1]) by ursule.remlab.net (Postfix) with ESMTP id D44E9C00AD for ; Sun, 4 Sep 2022 16:55:04 +0300 (EEST) From: remi@remlab.net To: ffmpeg-devel@ffmpeg.org Date: Sun, 4 Sep 2022 16:55:02 +0300 Message-Id: <20220904135503.116704-9-remi@remlab.net> X-Mailer: git-send-email 2.37.2 In-Reply-To: <3372981.QJadu78ljV@basile.remlab.net> References: <3372981.QJadu78ljV@basile.remlab.net> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 09/10] riscv: float vector windowed overlap/add with RVV 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: e3RBVXuXqpt0 From: Rémi Denis-Courmont --- libavutil/riscv/float_dsp_init.c | 3 +++ libavutil/riscv/float_dsp_rvv.S | 35 ++++++++++++++++++++++++++++++++ 2 files changed, 38 insertions(+) diff --git a/libavutil/riscv/float_dsp_init.c b/libavutil/riscv/float_dsp_init.c index 1183460181..887706d899 100644 --- a/libavutil/riscv/float_dsp_init.c +++ b/libavutil/riscv/float_dsp_init.c @@ -28,6 +28,8 @@ void ff_vector_fmac_scalar_rvv(float *dst, const float *src, float mul, int len); void ff_vector_fmul_scalar_rvv(float *dst, const float *src, float mul, int len); +void ff_vector_fmul_window_rvv(float *dst, const float *src0, + const float *src1, const float *win, int len); void ff_vector_fmul_add_rvv(float *dst, const float *src0, const float *src1, const float *src2, int len); void ff_vector_fmul_reverse_rvv(float *dst, const float *src0, @@ -49,6 +51,7 @@ av_cold void ff_float_dsp_init_riscv(AVFloatDSPContext *fdsp) fdsp->vector_fmul = ff_vector_fmul_rvv; fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_rvv; fdsp->vector_fmul_scalar = ff_vector_fmul_scalar_rvv; + fdsp->vector_fmul_window = ff_vector_fmul_window_rvv; fdsp->vector_fmul_add = ff_vector_fmul_add_rvv; fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_rvv; fdsp->butterflies_float = ff_butterflies_float_rvv; diff --git a/libavutil/riscv/float_dsp_rvv.S b/libavutil/riscv/float_dsp_rvv.S index e3738ef7c5..7e7d48374f 100644 --- a/libavutil/riscv/float_dsp_rvv.S +++ b/libavutil/riscv/float_dsp_rvv.S @@ -79,6 +79,41 @@ func ff_vector_fmul_scalar_rvv ret endfunc +func ff_vector_fmul_window_rvv + // a0: dst, a1: src0, a2: src1, a3: window, a4: length + addi t0, a4, -1 + add t1, t0, a4 + slli t0, t0, 2 + slli t1, t1, 2 + add a2, a2, t0 + add t0, a0, t1 + add t3, a3, t1 + li t1, -4 // byte stride + +1: vsetvli t2, a4, e32, m4, ta, ma + slli t4, t2, 2 + vle32.v v16, (a1) + add a1, a1, t4 + vlse32.v v20, (a2), t1 + sub a2, a2, t4 + vle32.v v24, (a3) + add a3, a3, t4 + vlse32.v v28, (t3), t1 + sub t3, t3, t4 + vfmul.vv v0, v16, v28 + sub a4, a4, t2 + vfmul.vv v8, v16, v24 + vfnmsac.vv v0, v20, v24 + vfmacc.vv v8, v20, v28 + vse32.v v0, (a0) + add a0, a0, t4 + vsse32.v v8, (t0), t1 + sub t0, t0, t4 + bnez a4, 1b + + ret +endfunc + // (a0) = (a1) * (a2) + (a3) [0..a4-1] func ff_vector_fmul_add_rvv 1: vsetvli t0, a4, e32, m8, ta, ma