Commit 7374794a authored by Loren Merritt's avatar Loren Merritt

Snow: don't try to encode lossless with 9/7 wavelet, because it isn't lossless.

Originally committed as revision 5433 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent d4b287ed
......@@ -4041,6 +4041,13 @@ static int encode_init(AVCodecContext *avctx)
return -1;
}
if(avctx->prediction_method == DWT_97
&& (avctx->flags & CODEC_FLAG_QSCALE)
&& avctx->global_quality == 0){
av_log(avctx, AV_LOG_ERROR, "the 9/7 wavelet is incompatible with lossless mode\n");
return -1;
}
common_init(avctx);
alloc_blocks(s);
......
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