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authorPaul B Mahol <onemda@gmail.com>2013-07-28 21:42:47 +0000
committerPaul B Mahol <onemda@gmail.com>2013-07-28 21:45:37 +0000
commit768e40b451a459fefaceed6b1b3d6e70c93596ac (patch)
tree9f9c740798a1e055ff0e7b95b2237b017127548e
parentac8e70d7358ed6d319b5eac21cbeea223ed9d1c9 (diff)
Revert "pnm: remove nonsense code"
Breaks decoding pgms with 256 < maxval < 65535. Found-by: Carl Eugen Hoyos <cehoyos@ag.or.at>. This reverts commit a0348d0966a81a66f3a1bf061576b24d5296b933.
-rw-r--r--libavcodec/pnm.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/pnm.c b/libavcodec/pnm.c
index 6e2e96c403..5a24befa36 100644
--- a/libavcodec/pnm.c
+++ b/libavcodec/pnm.c
@@ -163,6 +163,8 @@ int ff_pnm_decode_header(AVCodecContext *avctx, PNMContext * const s)
if (s->maxval >= 256) {
if (avctx->pix_fmt == AV_PIX_FMT_GRAY8) {
avctx->pix_fmt = AV_PIX_FMT_GRAY16BE;
+ if (s->maxval != 65535)
+ avctx->pix_fmt = AV_PIX_FMT_GRAY16;
} else if (avctx->pix_fmt == AV_PIX_FMT_RGB24) {
avctx->pix_fmt = AV_PIX_FMT_RGB48BE;
} else if (avctx->pix_fmt == AV_PIX_FMT_YUV420P && s->maxval < 65536) {