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[79.124.17.100]) by mx.google.com with ESMTP id y62si2872676wme.69.2017.08.26.04.00.56; Sat, 26 Aug 2017 04:00:57 -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; dkim=neutral (body hash did not verify) header.i=@gmail.com header.s=20161025 header.b=rmjlw/X6; 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=gmail.com Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id A389A689BE9; Sat, 26 Aug 2017 14:00:44 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-wm0-f50.google.com (mail-wm0-f50.google.com [74.125.82.50]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 6EF226808FC for ; Sat, 26 Aug 2017 14:00:38 +0300 (EEST) Received: by mail-wm0-f50.google.com with SMTP id y71so6500623wmd.0 for ; Sat, 26 Aug 2017 04:00:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=Mhlfwbfge8xkiTCJ2yupeQNDEG3Mg35D3EON4VeylnE=; b=rmjlw/X6POcft1kWiuuYV3OMz1lK+yNW1onlZrN9yxRJfCtoy+3v2TtsIn2Im+38Ud 26qNJ2h88gliJNhBukYc5HQC+fdoeHUMUI2WRk7DNeJykbXZyfhKvQpT0HvtF7SjQI+M OEeqpTXdGVDdjQu3OL59XDRL0UHOCh0sggaL013UrfVCLbmqQIE7a3Jx36Sdf6NWOZ7n O70dLaND1sKNpSB5racwL42w1clYuyN0A/QMJL1w15gEAjU1OVYloXt/gRhbF1LV8Thb J8twkVyNt7x76Q11oXm4afcAAxOK5qcJYxlkFi6RfJl1NTtuOAOrTJ4h2sU9zOthORfj 54NQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=Mhlfwbfge8xkiTCJ2yupeQNDEG3Mg35D3EON4VeylnE=; b=silz7zCcbXwQ96d0SH/QFMcB2G2/uf//7owyRwFWA834JJChDaGYvu89ISjU42Q7oW FSYkOi7nN+fkPQmelTJr+BOfczje0LOEUgWbBniBHFSSPuNZn58wLmNW36UTlmaR+dtN Ge5EEGFtq1L5O9LubmtvmfjLbaT1cotgDuLilAdFEI434nxqya9pnl8KEJuJ8ov25ITU F2fuJAklfPtj71y9XQhlQUuSVwNAp0s9aNaqi7MCDJLmDaZ5WOxqpsHi+ltp7vaysCcM zetjRg9vzyD9ZL47zecDVAHhqKgkzWSCJZHuv5BVtM7EZJD6S6g4GIZdO7m2VZg2PZP6 KQKg== X-Gm-Message-State: AHYfb5gl+T5lIk+wlkGDRWJVnWubnUGLy+E7HJ+QLhQcvbBpjc63VODq kBB6IWo510lg8eWlfKukQXFgV8Hvnw== X-Received: by 10.80.185.70 with SMTP id m64mr1320126ede.246.1503745246903; Sat, 26 Aug 2017 04:00:46 -0700 (PDT) MIME-Version: 1.0 Received: by 10.80.132.6 with HTTP; Sat, 26 Aug 2017 04:00:26 -0700 (PDT) From: Carl Eugen Hoyos Date: Sat, 26 Aug 2017 13:00:26 +0200 Message-ID: To: FFmpeg development discussions and patches Subject: [FFmpeg-devel] [PATCH]lavf/gdv: Improve palette saturation X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 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" Hi! Attached patch slightly improves the saturation of the gdv palette. Please comment, Carl Eugen From bbc00affb218ebe2b8074fea514bf25bbca5f890 Mon Sep 17 00:00:00 2001 From: Carl Eugen Hoyos Date: Sat, 26 Aug 2017 12:59:11 +0200 Subject: [PATCH] lavf/gdv: Improve saturation of gdv palette. --- libavcodec/gdv.c | 3 +++ libavformat/gdv.c | 3 +++ 2 files changed, 6 insertions(+) diff --git a/libavcodec/gdv.c b/libavcodec/gdv.c index dc91869..009aace 100644 --- a/libavcodec/gdv.c +++ b/libavcodec/gdv.c @@ -433,6 +433,9 @@ static int gdv_decode_frame(AVCodecContext *avctx, void *data, unsigned r = bytestream2_get_byte(gb); unsigned g = bytestream2_get_byte(gb); unsigned b = bytestream2_get_byte(gb); + r |= r >> 4; + g |= g >> 4; + b |= b >> 4; gdv->pal[i] = 0xFFU << 24 | r << 18 | g << 10 | b << 2; } break; diff --git a/libavformat/gdv.c b/libavformat/gdv.c index 3220932..98b073d 100644 --- a/libavformat/gdv.c +++ b/libavformat/gdv.c @@ -140,6 +140,9 @@ static int gdv_read_header(AVFormatContext *ctx) unsigned r = avio_r8(pb); unsigned g = avio_r8(pb); unsigned b = avio_r8(pb); + r |= r >> 4; + g |= g >> 4; + b |= b >> 4; gdv->pal[i] = 0xFFU << 24 | r << 18 | g << 10 | b << 2; } } -- 1.7.10.4