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[79.124.17.100]) by mx.google.com with ESMTP id y18-20020a170906525200b00782987c675asi10659483ejm.932.2022.10.04.10.17.29; Tue, 04 Oct 2022 10:17:33 -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 D807368BC86; Tue, 4 Oct 2022 20:17:25 +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 EBB1668BC6B for ; Tue, 4 Oct 2022 20:17:19 +0300 (EEST) Received: from basile.remlab.net (localhost [IPv6:::1]) by ursule.remlab.net (Postfix) with ESMTP id 7792BC00AB for ; Tue, 4 Oct 2022 20:17:18 +0300 (EEST) From: remi@remlab.net To: ffmpeg-devel@ffmpeg.org Date: Tue, 4 Oct 2022 20:17:17 +0300 Message-Id: <20221004171718.47203-2-remi@remlab.net> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20221004171718.47203-1-remi@remlab.net> References: <20221004171718.47203-1-remi@remlab.net> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 2/3] lavc/alacdsp: RISC-V V append_extra_bits[0] 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: aaBfznbaK97z From: Rémi Denis-Courmont --- libavcodec/riscv/alacdsp_init.c | 8 +++++++- libavcodec/riscv/alacdsp_rvv.S | 18 ++++++++++++++++++ 2 files changed, 25 insertions(+), 1 deletion(-) diff --git a/libavcodec/riscv/alacdsp_init.c b/libavcodec/riscv/alacdsp_init.c index 9ddebaa60b..37688be67b 100644 --- a/libavcodec/riscv/alacdsp_init.c +++ b/libavcodec/riscv/alacdsp_init.c @@ -27,13 +27,19 @@ void ff_alac_decorrelate_stereo_rvv(int32_t *buffer[2], int nb_samples, int decorr_shift, int decorr_left_weight); +void ff_alac_append_extra_bits_mono_rvv(int32_t *buffer[2], + int32_t *extra_bits_buf[2], + int extra_bits, int channels, + int nb_samples); av_cold void ff_alacdsp_init_riscv(ALACDSPContext *c) { #if HAVE_RVV && (__riscv_xlen == 64) int flags = av_get_cpu_flags(); - if (flags & AV_CPU_FLAG_RVV_I32) + if (flags & AV_CPU_FLAG_RVV_I32) { c->decorrelate_stereo = ff_alac_decorrelate_stereo_rvv; + c->append_extra_bits[0] = ff_alac_append_extra_bits_mono_rvv; + } #endif } diff --git a/libavcodec/riscv/alacdsp_rvv.S b/libavcodec/riscv/alacdsp_rvv.S index 5d75d6f2f9..7478ab228b 100644 --- a/libavcodec/riscv/alacdsp_rvv.S +++ b/libavcodec/riscv/alacdsp_rvv.S @@ -43,4 +43,22 @@ func ff_alac_decorrelate_stereo_rvv, zve32x ret endfunc + +func ff_alac_append_extra_bits_mono_rvv, zve32x + ld a0, (a0) + ld a1, (a1) +1: + vsetvli t0, a4, e32, m1, ta, ma + vle32.v v16, (a0) + sub a4, a4, t0 + vle32.v v24, (a1) + sh2add a1, t0, a1 + vsll.vx v16, v16, a2 + vor.vv v16, v24, v16 + vse32.v v16, (a0) + sh2add a0, t0, a0 + bnez a4, 1b + + ret +endfunc #endif