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author | Mark Thompson <sw@jkqxz.net> | 2017-07-22 23:49:46 +0300 |
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committer | Mark Thompson <sw@jkqxz.net> | 2017-07-22 23:51:26 +0300 |
commit | f48efb14f9f9000ae8b62fd8e1ddb55d2b8cb1ea (patch) | |
tree | 2284e7750e52348cc77f6f6068a22d158c10698c | |
parent | d24a82d2e2b73ad363b3f8d24b64cbfae65e4459 (diff) |
pixdesc: Explicitly handle invalid arguments to av_find_best_pix_fmt_of_2()
-rw-r--r-- | libavutil/pixdesc.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libavutil/pixdesc.c b/libavutil/pixdesc.c index 1983ce9ef5..e606b8e5c8 100644 --- a/libavutil/pixdesc.c +++ b/libavutil/pixdesc.c @@ -2633,6 +2633,11 @@ enum AVPixelFormat av_find_best_pix_fmt_of_2(enum AVPixelFormat dst_pix_fmt1, en const AVPixFmtDescriptor *desc2 = av_pix_fmt_desc_get(dst_pix_fmt2); int score1, score2; + if (!desc1) { + dst_pix_fmt = dst_pix_fmt2; + } else if (!desc2) { + dst_pix_fmt = dst_pix_fmt1; + } else { loss_mask= loss_ptr?~*loss_ptr:~0; /* use loss mask if provided */ if(!has_alpha) loss_mask &= ~FF_LOSS_ALPHA; @@ -2649,6 +2654,7 @@ enum AVPixelFormat av_find_best_pix_fmt_of_2(enum AVPixelFormat dst_pix_fmt1, en } else { dst_pix_fmt = score1 < score2 ? dst_pix_fmt2 : dst_pix_fmt1; } + } if (loss_ptr) *loss_ptr = av_get_pix_fmt_loss(dst_pix_fmt, src_pix_fmt, has_alpha); |