pngdec: show verbose message for unsupported files

e20a4881 · Paul B Mahol · Carl Eugen Hoyos · f247f4cf · e20a4881
Commit e20a4881 authored Jan 09, 2012 by Paul B Mahol Committed by Carl Eugen Hoyos Jan 09, 2012
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pngdec.c libavcodec/pngdec.c +3 -0

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--- a/libavcodec/pngdec.c
+++ b/libavcodec/pngdec.c
@@ -502,6 +502,9 @@ static int decode_frame(AVCodecContext *avctx,
                           s->color_type == PNG_COLOR_TYPE_GRAY_ALPHA) {
                    avctx->pix_fmt = PIX_FMT_GRAY8A;
                } else {
+                    av_log(avctx, AV_LOG_ERROR, "unsupported bit depth %d "
+                                                "and color type %d\n",
+                                                 s->bit_depth, s->color_type);
                    goto fail;
                }
                if(p->data[0])