x11grab can capture windows by their ID, but gdigrab can only capture windows
by their names, internally calling FindWindowW to lookup its handle.
This patch simply allows the user to specify a window handle directly.
Signed-off-by: Lena <l...@nihil.gay>
---
libavdevice/gdigrab.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/libavdevice/gdigrab.c b/libavdevice/gdigrab.c
index c069232472..05d3c0c929 100644
--- a/libavdevice/gdigrab.c
+++ b/libavdevice/gdigrab.c
@@ -273,9 +273,13 @@ gdigrab_read_header(AVFormatContext *s1)
}
} else if (!strcmp(filename, "desktop")) {
hwnd = NULL;
+ } else if (!strncmp(filename, "hwnd=", 5)) {
+ name = filename + 5;
+
+ hwnd = strtol(name, NULL, 0);
} else {
av_log(s1, AV_LOG_ERROR,
- "Please use \"desktop\" or \"title=<windowname>\" to specify
your target.\n");
+ "Please use \"desktop\", \"title=<windowname>\" or
\"hwnd=<hwnd>\" to specify your target.\n");
ret = AVERROR(EIO);
goto error;
}
--
2.43.0
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