From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTP id 8E31446351 for ; Mon, 15 May 2023 11:40:54 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 0CDC268BC18; Mon, 15 May 2023 14:40:51 +0300 (EEST) Received: from mail-ed1-f41.google.com (mail-ed1-f41.google.com [209.85.208.41]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 4842368B076 for ; Mon, 15 May 2023 14:40:44 +0300 (EEST) Received: by mail-ed1-f41.google.com with SMTP id 4fb4d7f45d1cf-50bd2d7ba74so110587695a12.1 for ; Mon, 15 May 2023 04:40:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1684150843; x=1686742843; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=zrTCpKLzWcQWGpC+XTDdi987+ULU9LNN69F4x4Fcfrw=; b=nqSFubQ6iPFdDQB0YReStqjFO4PEWornsnBNRqLm1M3u3xAPxZ6z36Nfi8mHQGz3X/ yQJt2WJHypS+tVAmZq/ZrVuDMgXzuvt7S08oIN3c/ukYN61vkaNBFCTnCnmJHQHxRNPO q2cF5T7oZnaXXn9t8YAKGXj+yDoRm8A7WRkM+/jjAb0wawGtwy2ZODdv3jW3GBfn6a6Q 6Wcuuz35tOqsa8IKRcz5VssxsQr6f0DTGSY+CcM7PivN9YLY3vHy8VTmfEhjVg+xEbHX zxDfiYWwitzo+NDZREzJcek92hUD3zwmYIFfvbjUSS+seOJlld17fWu4WuJ8+q0wnQRT EPdA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684150843; x=1686742843; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=zrTCpKLzWcQWGpC+XTDdi987+ULU9LNN69F4x4Fcfrw=; b=d/DIj/xWz4EZLRSx/5Jx/xx+LlgdwJ5OtyQPhn7ANZ05KttZuIPo0UzhLiWQsq/eTX r58is5sjMQq4Bv82WhzXm+Z6ExoRO7TtmYQkJnTdkUEz1NhfliSutcaoQFLouhhr9F1C 8GJuTrjYrlHAl+kZa8eLzf0tV0GBB9yTvvp14eBch6FpTPK/LW4Rbmc7Rw1M3cgAYlL/ B7KW/AAoDAAJBCoAOFht7SLaXOvjHjMTGHTgFJW1zgNbiqzGrUIrtLd4fPY+cTevI+PF P4kJsIoUT4S+x0p1ZTgxuAVYg7HJMqQ5WrSYGeSuZIScgySsJT7uUpc1t/YnHX/aqCTm a7bg== X-Gm-Message-State: AC+VfDw+242lk8PWVS+12q1bJnvSbkJkh98kfOn8PVL6HRgds7efvxrR 94Z0bMnL7pg6WGcAKLW+3rlLPqQzBD0= X-Google-Smtp-Source: ACHHUZ4nhmJ7ovmDC27nOESw42s4soncof5bgFxWD1d2lyDTHXIvjBDsep0kNeiidf0Fm0KUC9gT9Q== X-Received: by 2002:a17:907:c17:b0:965:ae3a:52c8 with SMTP id ga23-20020a1709070c1700b00965ae3a52c8mr33864597ejc.32.1684150842882; Mon, 15 May 2023 04:40:42 -0700 (PDT) Received: from localhost.localdomain (p200300ccf71d220048ad1895e6601426.dip0.t-ipconnect.de. [2003:cc:f71d:2200:48ad:1895:e660:1426]) by smtp.gmail.com with ESMTPSA id gx8-20020a1709068a4800b00965ab02b42csm9332532ejc.102.2023.05.15.04.40.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 May 2023 04:40:42 -0700 (PDT) From: Hendrik Leppkes To: ffmpeg-devel@ffmpeg.org Date: Mon, 15 May 2023 13:39:08 +0200 Message-Id: <20230515113911.1232-1-h.leppkes@gmail.com> X-Mailer: git-send-email 2.40.1.windows.1 In-Reply-To: <20230515105104.1162-1-h.leppkes@gmail.com> References: <20230515105104.1162-1-h.leppkes@gmail.com> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 1/4] avcodec/nvdec_mpeg2: fix order of quant matrix coefficients 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 Cc: Hendrik Leppkes Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: The matrix coefficients are stored permutated for the IDCT, rather then in plain raster order, and need to be un-permutated for the hardware. --- libavcodec/nvdec_mpeg12.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/libavcodec/nvdec_mpeg12.c b/libavcodec/nvdec_mpeg12.c index e10735587d..3b9ff60734 100644 --- a/libavcodec/nvdec_mpeg12.c +++ b/libavcodec/nvdec_mpeg12.c @@ -83,8 +83,9 @@ static int nvdec_mpeg12_start_frame(AVCodecContext *avctx, const uint8_t *buffer }; for (i = 0; i < 64; ++i) { - ppc->QuantMatrixIntra[i] = s->intra_matrix[i]; - ppc->QuantMatrixInter[i] = s->inter_matrix[i]; + int n = s->idsp.idct_permutation[i]; + ppc->QuantMatrixIntra[i] = s->intra_matrix[n]; + ppc->QuantMatrixInter[i] = s->inter_matrix[n]; } return 0; -- 2.40.1.windows.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".