Add support for a/v input/output selection

From: Hans Verkuil <hverkuil@xs4all.nl>

Add missing audio output enumeration to v4l2-ctl.
Add input/output and audio input/output selection to qv4l2.


Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>

1 files changed, 13 insertions, 0 deletions

diff --git a/test/v4l2-ctl.cpp b/test/v4l2-ctl.cpp
index 6e044e563..63bc3e82a 100644
--- a/test/v4l2-ctl.cpp
+++ b/test/v4l2-ctl.cpp
@@ -1099,6 +1099,19 @@ int main(int argc, char **argv)
 		}
 	}
 
+	if (options[OptListAudioOutputs]) {
+		struct v4l2_audioout vaudio;	/* list audio outputs */
+		vaudio.index = 0;
+		printf("ioctl: VIDIOC_ENUMAUDOUT\n");
+		while (ioctl(fd, VIDIOC_ENUMAUDOUT, &vaudio) >= 0) {
+			if (vaudio.index)
+				printf("\n");
+			printf("\tOutput  : %d\n", vaudio.index);
+			printf("\tName    : %s\n", vaudio.name);
+			vaudio.index++;
+		}
+	}
+
 	if (options[OptSetAudioInput]) {
 		if (doioctl(fd, VIDIOC_S_AUDIO, &vaudio, "VIDIOC_S_AUDIO") == 0)
 			printf("Audio input set to %d\n", vaudio.index);