I'm so sorry, will resend immediately.
Andreas Rheinhardt via ffmpeg-devel:
Lena via ffmpeg-devel:
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 <[email protected]>
---
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);
This won't even compile due to the extra '+'.
} 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;
}
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