list_options true would crash when both a video and an audio device were
specified as input. Crash would occur on line 784 because
ctx->device_unique_name[otherDevType] would be NULL
Signed-off-by: Diederick Niehorster <dcni...@gmail.com>
---
libavdevice/dshow.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavdevice/dshow.c b/libavdevice/dshow.c
index ef78781865..cc0bef0474 100644
--- a/libavdevice/dshow.c
+++ b/libavdevice/dshow.c
@@ -708,9 +708,9 @@ dshow_list_device_options(AVFormatContext *avctx,
ICreateDevEnum *devenum,
if ((r = dshow_cycle_devices(avctx, devenum, devtype, sourcetype,
&device_filter, &device_unique_name)) < 0)
return r;
ctx->device_filter[devtype] = device_filter;
+ ctx->device_unique_name[devtype] = device_unique_name;
if ((r = dshow_cycle_pins(avctx, devtype, sourcetype, device_filter,
NULL)) < 0)
return r;
- av_freep(&device_unique_name);
return 0;
}
@@ -1143,6 +1143,7 @@ static int dshow_read_header(AVFormatContext *avctx)
}
}
}
+ // don't exit yet, allow it to list crossbar options in
dshow_open_device
}
if (ctx->device_name[VideoDevice]) {
if ((r = dshow_open_device(avctx, devenum, VideoDevice,
VideoSourceDevice)) < 0 ||
--
2.28.0.windows.1
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