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authorCarl Eugen Hoyos <ceffmpeg@gmail.com>2021-02-11 23:37:06 +0100
committerCarl Eugen Hoyos <ceffmpeg@gmail.com>2021-02-15 00:01:07 +0100
commitca781761d61de20f28b5c6486c64dbf2c2c4c944 (patch)
tree250fbc6e3640f3f2f8d7bee87d4f82f2b4832d7a /libavcodec/pnm.c
parent9c0b3eddf4262f9dcea479091f1307444e614e88 (diff)
lavc/pnm: Allow decoding gray float pfm images.
Diffstat (limited to 'libavcodec/pnm.c')
-rw-r--r--libavcodec/pnm.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/libavcodec/pnm.c b/libavcodec/pnm.c
index 94ae74e13a..958f2a342e 100644
--- a/libavcodec/pnm.c
+++ b/libavcodec/pnm.c
@@ -72,6 +72,7 @@ int ff_pnm_decode_header(AVCodecContext *avctx, PNMContext * const s)
s->bytestream[0] != 'P' ||
(s->bytestream[1] < '1' ||
s->bytestream[1] > '7' &&
+ s->bytestream[1] != 'f' &&
s->bytestream[1] != 'F')) {
s->bytestream += s->bytestream_end > s->bytestream;
s->bytestream += s->bytestream_end > s->bytestream;
@@ -82,6 +83,8 @@ int ff_pnm_decode_header(AVCodecContext *avctx, PNMContext * const s)
if (buf1[1] == 'F') {
avctx->pix_fmt = AV_PIX_FMT_GBRPF32;
+ } else if (buf1[1] == 'f') {
+ avctx->pix_fmt = AV_PIX_FMT_GRAYF32;
} else if (s->type==1 || s->type==4) {
avctx->pix_fmt = AV_PIX_FMT_MONOWHITE;
} else if (s->type==2 || s->type==5) {
@@ -177,7 +180,7 @@ int ff_pnm_decode_header(AVCodecContext *avctx, PNMContext * const s)
if (ret < 0)
return ret;
- if (avctx->pix_fmt == AV_PIX_FMT_GBRPF32) {
+ if (avctx->pix_fmt == AV_PIX_FMT_GBRPF32 || avctx->pix_fmt == AV_PIX_FMT_GRAYF32) {
pnm_get(s, buf1, sizeof(buf1));
if (av_sscanf(buf1, "%f", &s->scale) != 1 || s->scale == 0.0 || !isfinite(s->scale)) {
av_log(avctx, AV_LOG_ERROR, "Invalid scale.\n");