Hi!
Attached patch was tested by the reporter of ticket #7436.
Please comment, Carl Eugen
From 20f8ee0514a60bcc5a1dc2ddc72e92db66b8f815 Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <ceffm...@gmail.com>
Date: Tue, 18 Sep 2018 00:16:42 +0200
Subject: [PATCH] lavd/dshow: Interpret negative height as bottom-down frame.
Fixes ticket #7436.
---
libavdevice/dshow.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavdevice/dshow.c b/libavdevice/dshow.c
index de910c0..757f7a5 100644
--- a/libavdevice/dshow.c
+++ b/libavdevice/dshow.c
@@ -996,11 +996,15 @@ dshow_add_device(AVFormatContext *avctx,
par->codec_id = AV_CODEC_ID_RAWVIDEO;
if (bih->biCompression == BI_RGB || bih->biCompression == BI_BITFIELDS) {
par->bits_per_coded_sample = bih->biBitCount;
+ if (par->height < 0) {
+ par->height *= -1;
+ } else {
par->extradata = av_malloc(9 + AV_INPUT_BUFFER_PADDING_SIZE);
if (par->extradata) {
par->extradata_size = 9;
memcpy(par->extradata, "BottomUp", 9);
}
+ }
}
}
} else {
--
1.7.10.4
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
