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Revert "pnm: remove nonsense code"

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Breaks decoding pgms with 256 < maxval < 65535.

Found-by: Carl Eugen Hoyos <cehoyos@ag.or.at>.

This reverts commit a0348d0966.
This commit is contained in:
Paul B Mahol 2013-07-28 21:42:47 +00:00
parent ac8e70d735
commit 768e40b451
1 changed files with 2 additions and 0 deletions
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2
libavcodec/pnm.c
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@ -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) {