From 8dfc1aefca514a75d1e804c694f073b303586059 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Fri, 17 Sep 2004 11:17:17 +0000
Subject: [PATCH] warning the user about possible incompatibilities

Originally committed as revision 3474 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/huffyuv.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/libavcodec/huffyuv.c b/libavcodec/huffyuv.c
index ac260f6a1e..55992d76af 100644
--- a/libavcodec/huffyuv.c
+++ b/libavcodec/huffyuv.c
@@ -488,6 +488,10 @@ static int encode_init(AVCodecContext *avctx)
     
     switch(avctx->pix_fmt){
     case PIX_FMT_YUV420P:
+        if(avctx->strict_std_compliance>=0){
+            av_log(avctx, AV_LOG_ERROR, "Warning: YV12-huffyuv is not supported by windows huffyuv use a different colorspace or use (v)strict=-1\n");
+            return -1;
+        }
         s->bitstream_bpp= 12;
         break;
     case PIX_FMT_YUV422P:
@@ -501,6 +505,9 @@ static int encode_init(AVCodecContext *avctx)
     s->decorrelate= s->bitstream_bpp >= 24;
     s->predictor= avctx->prediction_method;
     s->interlaced= avctx->flags&CODEC_FLAG_INTERLACED_ME ? 1 : 0;
+    if(s->interlaced != ( height > 288 )){
+        av_log(avctx, AV_LOG_INFO, "using huffyuv 2.2.0 or newer interlacing flag\n");
+    }
     
     ((uint8_t*)avctx->extradata)[0]= s->predictor;
     ((uint8_t*)avctx->extradata)[1]= s->bitstream_bpp;