From patchwork Mon Sep 26 14:52:45 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: 38357 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a05:6a20:3b1c:b0:96:9ee8:5cfd with SMTP id c28csp2305781pzh; Mon, 26 Sep 2022 07:56:11 -0700 (PDT) X-Google-Smtp-Source: AMsMyM50q4C+o/QOiSPHzPfna6BAy6j4vEwpt17BtkKF9aq3L/YVMjbdUdoOYFBRU0phryUqAIbB X-Received: by 2002:a17:906:ef90:b0:77f:8f0d:e925 with SMTP id ze16-20020a170906ef9000b0077f8f0de925mr18650122ejb.622.1664204171283; Mon, 26 Sep 2022 07:56:11 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1664204171; cv=none; d=google.com; s=arc-20160816; b=GJglne1vPPmiv2uLdJr/APb+qKsT0LgasUJtxFckexFHLLtxSLlRh6STlcKo40Iglm GYyJ0qpUN8r/HBH8Hhuvk6f1AddNcINwhPLtscna8MmlInyJ5s3U9Mdm0OMmlwk9Er3B PIFlwqSEI4B5LUVqMFcOAm7C2IRcTS0KMVKHXgv2l9KJeQ9Xu0tvC2OCxasrLfb7nYAv h4kJEqDaQvhlpRLhHVyWDcDm3MbPJqWo2AqMR9Reot6MGQvuUNmoU+k66hi58VdXXPk/ RG1NlePHKCjldhlViTb9Ci9aHNcVRnkgCFC0JFMeOUhb+eEZRIxIltMc5TkE65zAb4wf tOqg== 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=E+RxQkENRPavJh7yvhwHQrWv/7E1Qbg1hfHJTrHFVkA=; b=U0EOWO3vIbdAoVuSuesMJHMs6ghwZkoVYdfXkss8i7rnButySPhnXNT46RTDJZC7tD n4WgFKBFrtL7sgEMKIU1PwQjg3XBToaH90aIl6bPJEu/LgGO/+z0tMqgbea5SVznlBvg bPytexGV1gi6GLOqW3IOFQafZFkmIHdyShlWAFd+bBWkfRu2X13cj/xFqsI+/06UlKow a5S6mBV1ZjiPvVdnpPuLlWSU1siQEe2CRJtG8gOuPKfseIVPq+SV+NpN2DjgOsS2nIy7 nXp5Shp8MWmk07eWaGNTAIUn4pE+bXCpZdO75uIZ52nkf1qDCGhG88PgMF5Ys6i2r1iA 3Lwg== 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 w3-20020a17090652c300b00781a47397b1si71895ejn.502.2022.09.26.07.56.09; Mon, 26 Sep 2022 07:56:11 -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 5C1E268BBD2; Mon, 26 Sep 2022 17:53:18 +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 652FA68BAB1 for ; Mon, 26 Sep 2022 17:52:57 +0300 (EEST) Received: from basile.remlab.net (localhost [IPv6:::1]) by ursule.remlab.net (Postfix) with ESMTP id 6FBF0C00C5 for ; Mon, 26 Sep 2022 17:52:55 +0300 (EEST) From: remi@remlab.net To: ffmpeg-devel@ffmpeg.org Date: Mon, 26 Sep 2022 17:52:45 +0300 Message-Id: <20220926145251.56351-25-remi@remlab.net> X-Mailer: git-send-email 2.37.2 In-Reply-To: <5862173.lOV4Wx5bFT@basile.remlab.net> References: <5862173.lOV4Wx5bFT@basile.remlab.net> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 25/31] lavc/vorbisdsp: RISC-V V inverse_coupling 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: XdmHZCi6LbCq From: Rémi Denis-Courmont This uses the following vectorisation: for (i = 0; i < blocksize; i++) { ang[i] = mag[i] - copysignf(fmaxf(ang[i], 0.f), mag[i]); mag[i] = mag[i] - copysignf(fminf(ang[i], 0.f), mag[i]); } --- libavcodec/riscv/Makefile | 2 ++ libavcodec/riscv/vorbisdsp_init.c | 37 ++++++++++++++++++++++++++ libavcodec/riscv/vorbisdsp_rvv.S | 44 +++++++++++++++++++++++++++++++ libavcodec/vorbisdsp.c | 2 ++ libavcodec/vorbisdsp.h | 1 + 5 files changed, 86 insertions(+) create mode 100644 libavcodec/riscv/vorbisdsp_init.c create mode 100644 libavcodec/riscv/vorbisdsp_rvv.S diff --git a/libavcodec/riscv/Makefile b/libavcodec/riscv/Makefile index 682174e875..03a95301d7 100644 --- a/libavcodec/riscv/Makefile +++ b/libavcodec/riscv/Makefile @@ -5,3 +5,5 @@ OBJS-$(CONFIG_FMTCONVERT) += riscv/fmtconvert_init.o RVV-OBJS-$(CONFIG_FMTCONVERT) += riscv/fmtconvert_rvv.o OBJS-$(CONFIG_PIXBLOCKDSP) += riscv/pixblockdsp_init.o \ riscv/pixblockdsp_rvi.o +OBJS-$(CONFIG_VORBIS_DECODER) += riscv/vorbisdsp_init.o +RVV-OBJS-$(CONFIG_VORBIS_DECODER) += riscv/vorbisdsp_rvv.o diff --git a/libavcodec/riscv/vorbisdsp_init.c b/libavcodec/riscv/vorbisdsp_init.c new file mode 100644 index 0000000000..0c56ffcb9b --- /dev/null +++ b/libavcodec/riscv/vorbisdsp_init.c @@ -0,0 +1,37 @@ +/* + * Copyright © 2022 Rémi Denis-Courmont. + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "config.h" +#include "libavutil/attributes.h" +#include "libavutil/cpu.h" +#include "libavcodec/vorbisdsp.h" + +void ff_vorbis_inverse_coupling_rvv(float *mag, float *ang, + ptrdiff_t blocksize); + +av_cold void ff_vorbisdsp_init_riscv(VorbisDSPContext *c) +{ +#if HAVE_RVV + int flags = av_get_cpu_flags(); + + if (flags & AV_CPU_FLAG_RVV_I32) + c->vorbis_inverse_coupling = ff_vorbis_inverse_coupling_rvv; +#endif +} diff --git a/libavcodec/riscv/vorbisdsp_rvv.S b/libavcodec/riscv/vorbisdsp_rvv.S new file mode 100644 index 0000000000..e8953fb548 --- /dev/null +++ b/libavcodec/riscv/vorbisdsp_rvv.S @@ -0,0 +1,44 @@ +/* + * Copyright © 2022 Rémi Denis-Courmont. + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "config.h" +#include "../libavutil/riscv/asm.S" + +func ff_vorbis_inverse_coupling_rvv, zve32f + fmv.w.x ft0, zero +1: + vsetvli t0, a2, e32, m1, ta, ma + vle32.v v16, (a1) + sub a2, a2, t0 + vle32.v v24, (a0) + vfmax.vf v8, v16, ft0 + vfmin.vf v16, v16, ft0 + vfsgnj.vv v8, v8, v24 + vfsgnj.vv v16, v16, v24 + vfsub.vv v8, v24, v8 + vfsub.vv v24, v24, v16 + vse32.v v8, (a1) + sh2add a1, t0, a1 + vse32.v v24, (a0) + sh2add a0, t0, a0 + bnez a2, 1b + + ret +endfunc diff --git a/libavcodec/vorbisdsp.c b/libavcodec/vorbisdsp.c index 693c44dfcb..70022bd262 100644 --- a/libavcodec/vorbisdsp.c +++ b/libavcodec/vorbisdsp.c @@ -53,6 +53,8 @@ av_cold void ff_vorbisdsp_init(VorbisDSPContext *dsp) ff_vorbisdsp_init_arm(dsp); #elif ARCH_PPC ff_vorbisdsp_init_ppc(dsp); +#elif ARCH_RISCV + ff_vorbisdsp_init_riscv(dsp); #elif ARCH_X86 ff_vorbisdsp_init_x86(dsp); #endif diff --git a/libavcodec/vorbisdsp.h b/libavcodec/vorbisdsp.h index 1775a92cf2..5c369ecf22 100644 --- a/libavcodec/vorbisdsp.h +++ b/libavcodec/vorbisdsp.h @@ -34,5 +34,6 @@ void ff_vorbisdsp_init_aarch64(VorbisDSPContext *dsp); void ff_vorbisdsp_init_x86(VorbisDSPContext *dsp); void ff_vorbisdsp_init_arm(VorbisDSPContext *dsp); void ff_vorbisdsp_init_ppc(VorbisDSPContext *dsp); +void ff_vorbisdsp_init_riscv(VorbisDSPContext *dsp); #endif /* AVCODEC_VORBISDSP_H */