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 A88D1455D3 for ; Thu, 9 Mar 2023 12:57:56 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id A30EE68BD51; Thu, 9 Mar 2023 14:57:29 +0200 (EET) Received: from relay11.mail.gandi.net (relay11.mail.gandi.net [217.70.178.231]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id A7BB168BCFB for ; Thu, 9 Mar 2023 14:57:22 +0200 (EET) Received: (Authenticated sender: michael@niedermayer.cc) by mail.gandi.net (Postfix) with ESMTPSA id A5B0C10000D for ; Thu, 9 Mar 2023 12:57:21 +0000 (UTC) From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Thu, 9 Mar 2023 13:57:17 +0100 Message-Id: <20230309125717.29821-4-michael@niedermayer.cc> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230309125717.29821-1-michael@niedermayer.cc> References: <20230309125717.29821-1-michael@niedermayer.cc> Subject: [FFmpeg-devel] [PATCH 4/4] avcodec/lcldec: More space for rgb24 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 MIME-Version: 1.0 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: Fixes: Ticket 10239 Fixes: zlib_306_306_rgb24.av Signed-off-by: Michael Niedermayer --- libavcodec/lcldec.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/libavcodec/lcldec.c b/libavcodec/lcldec.c index f9a0755e4d..eb5139a5c5 100644 --- a/libavcodec/lcldec.c +++ b/libavcodec/lcldec.c @@ -152,6 +152,8 @@ static int zlib_decomp(AVCodecContext *avctx, const uint8_t *src, int src_len, i if (expected != (unsigned int)zstream->total_out) { av_log(avctx, AV_LOG_ERROR, "Decoded size differs (%d != %lu)\n", expected, zstream->total_out); + if (expected > (unsigned int)zstream->total_out) + return (unsigned int)zstream->total_out; return AVERROR_UNKNOWN; } return zstream->total_out; @@ -278,12 +280,13 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame, ret = zlib_decomp(avctx, buf + 8 + mthread_inlen, len - 8 - mthread_inlen, mthread_outlen, mthread_outlen); if (ret < 0) return ret; + len = c->decomp_size; } else { int ret = zlib_decomp(avctx, buf, len, 0, c->decomp_size); if (ret < 0) return ret; + len = ret; } encoded = c->decomp_buf; - len = c->decomp_size; break; #endif default: @@ -521,7 +524,7 @@ static av_cold int decode_init(AVCodecContext *avctx) partial_h_supported = 1; break; case IMGTYPE_RGB24: - c->decomp_size = basesize * 3; + c->decomp_size = FFALIGN(avctx->width*3, 4) * avctx->height; max_decomp_size = max_basesize * 3; avctx->pix_fmt = AV_PIX_FMT_BGR24; av_log(avctx, AV_LOG_DEBUG, "Image type is RGB 24.\n"); -- 2.17.1 _______________________________________________ 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".