[FFmpeg-cvslog] avcodec/utils: only warn when passed invalid lowres value

[Aman Gupta]

ffmpeg | branch: master | Aman Gupta <aman at tmm1.net> | Thu Aug  4 15:35:57 2016 -0700| [b5f30fe8fea586545b140abbd0602188b09d3133] | committer: Michael Niedermayer

avcodec/utils: only warn when passed invalid lowres value

This makes it easier to use the lowres option when dealing with input
files in different codecs. If the codec doesn't support lowres=1 for
instance, it will throw a warning and use lowres=0 instead of erroring
out completely.

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b5f30fe8fea586545b140abbd0602188b09d3133
---

 libavcodec/utils.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index f7adb52..783f62c 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -1389,10 +1389,9 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code
         avctx->thread_count = 1;
 
     if (avctx->codec->max_lowres < avctx->lowres || avctx->lowres < 0) {
-        av_log(avctx, AV_LOG_ERROR, "The maximum value for lowres supported by the decoder is %d\n",
+        av_log(avctx, AV_LOG_WARNING, "The maximum value for lowres supported by the decoder is %d\n",
                avctx->codec->max_lowres);
-        ret = AVERROR(EINVAL);
-        goto free_and_end;
+        avctx->lowres = avctx->codec->max_lowres;
     }
 
 #if FF_API_VISMV