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bh=rcacPlxshmYiWmWIXPVNQj5PTCz/3GAABxIjXQEwciE=; b=OMlDfV+wdN7OtGRWLrb2m9g21A4DBDYWbF9nWMlyAe0tRnxuQ7ny2Z+rdYr9OfkhHE gO40GiX+xdTtNj2k2gGqZGTuPDFiPIcibayM+gOvHVQHvfhGVOHxvdU2uI6mF/Pb1mVc bG3JrrobbKDvfgNld6ctPi4oL8ydpxs0Vyz/Dgwu2BD3MLghruBld6pTmMcOXYLtRc8D s+lFcQ2O/2fxAvY7/gOc5M13XTW8rX/1DlgS49CTTdgnEEpFV5sliQLZocG4uzec1Ilu 5kpo2AMlls8NohaEz5Rutxa5TOEY771BUeYLL/WB3GqbG/MXeXQU1JDsPi23AI6bVLWd YUdw== X-Gm-Message-State: AOJu0Yyky/yzQYGaQ3zo76VmsmkLWmFn4ejZqD4LUVFgT65HQOjRAh+n K3wsGE8sHKgiwmvzDjcqB4oHV7vxiDn8uY4sU7L35jml X-Received: by 2002:a05:6214:2687:b0:681:3b95:cec4 with SMTP id gm7-20020a056214268700b006813b95cec4mr9258333qvb.75.1705421769314; Tue, 16 Jan 2024 08:16:09 -0800 (PST) MIME-Version: 1.0 From: flow gg Date: Wed, 17 Jan 2024 00:15:58 +0800 Message-ID: To: FFmpeg development discussions and patches X-Content-Filtered-By: Mailman/MimeDel 2.1.29 Subject: [FFmpeg-devel] [PATCH 2/3] lavc/h264pred: R-V V pred16x16_horizontal_8 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: c3dnnvZN7fYA From 806f84ea5557c4652e48451decc4c679c9485472 Mon Sep 17 00:00:00 2001 From: sunyuechi Date: Tue, 16 Jan 2024 23:56:33 +0800 Subject: [PATCH 2/3] lavc/h264pred: R-V V pred16x16_horizontal_8 C908 pred16x16_horizontal_8_c: 3.0 pred16x16_horizontal_8_rvv_i32: 2.5 --- libavcodec/riscv/h264pred_init.c | 2 ++ libavcodec/riscv/h264pred_rvv.S | 15 +++++++++++++++ 2 files changed, 17 insertions(+) diff --git a/libavcodec/riscv/h264pred_init.c b/libavcodec/riscv/h264pred_init.c index 179bd8c8a5..8665bc729e 100644 --- a/libavcodec/riscv/h264pred_init.c +++ b/libavcodec/riscv/h264pred_init.c @@ -25,6 +25,7 @@ #include "libavcodec/h264pred.h" void ff_pred16x16_vertical_8_rvv(uint8_t *src, ptrdiff_t stride); +void ff_pred16x16_horizontal_8_rvv(uint8_t *src, ptrdiff_t stride); av_cold void ff_h264_pred_init_riscv(H264PredContext *h, int codec_id, const int bit_depth, @@ -36,6 +37,7 @@ av_cold void ff_h264_pred_init_riscv(H264PredContext *h, int codec_id, if (flags & AV_CPU_FLAG_RVV_I32) { h->pred16x16[VERT_PRED8x8] = ff_pred16x16_vertical_8_rvv; + h->pred16x16[HOR_PRED8x8] = ff_pred16x16_horizontal_8_rvv; } #endif } diff --git a/libavcodec/riscv/h264pred_rvv.S b/libavcodec/riscv/h264pred_rvv.S index 0e48662922..ba1e9045e1 100644 --- a/libavcodec/riscv/h264pred_rvv.S +++ b/libavcodec/riscv/h264pred_rvv.S @@ -33,3 +33,18 @@ func ff_pred16x16_vertical_8_rvv, zve32x ret endfunc + +func ff_pred16x16_horizontal_8_rvv, zve32x + li t0, 16 +1: + lbu t1, -1(a0) + vsetivli zero, 16, e8, m1, ta, ma + vmv.v.x v0, t1 + vsetivli zero, 4, e8, mf4, ta, ma + addi t0, t0, -1 + vse32.v v0, (a0) + add a0, a0, a1 + bnez t0, 1b + + ret +endfunc -- 2.43.0