From 5bbe0eab259c18f8dd5915ef7fb6fd0748cf3956 Mon Sep 17 00:00:00 2001
From: Vivia Nikolaidou <vivia@ahiru.eu>
Date: Tue, 29 Nov 2022 11:59:02 +0200
Subject: [PATCH] ndisrc: Use actual number of channels in positions_from_mask

Otherwise it fails for mono and stereo

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/991>
---
 net/ndi/src/ndisrc/receiver.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ndi/src/ndisrc/receiver.rs b/net/ndi/src/ndisrc/receiver.rs
index 14f6a78f..8878a794 100644
--- a/net/ndi/src/ndisrc/receiver.rs
+++ b/net/ndi/src/ndisrc/receiver.rs
@@ -1591,7 +1591,7 @@ impl Receiver {
             let mut positions = [gst_audio::AudioChannelPosition::None; 64];
             let _ = gst_audio::AudioChannelPosition::positions_from_mask(
                 gst_audio::AudioChannelPosition::fallback_mask(channels),
-                &mut positions,
+                &mut positions[..channels as usize],
             );
 
             let builder = gst_audio::AudioInfo::builder(
@@ -1599,7 +1599,7 @@ impl Receiver {
                 audio_frame.sample_rate() as u32,
                 channels,
             )
-            .positions(&positions[..audio_frame.no_channels() as usize]);
+            .positions(&positions[..channels as usize]);
 
             let info = builder.build().map_err(|_| {
                 gst::element_error!(