From 2ad85256a3b409591b88e707f2a817d74bb1dc3a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Bernon?= <rbernon@codeweavers.com>
Date: Mon, 17 Jan 2022 15:23:42 +0100
Subject: [PATCH] media-converter: Add format=S16LE to audioconv caps.

As opusdec will only output that format, and we want to be able to
filter the elements from their capabilities early.

CW-Bug-Id: #19854
---
 media-converter/src/audioconvbin/imp.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/media-converter/src/audioconvbin/imp.rs b/media-converter/src/audioconvbin/imp.rs
index f956895b..dc469ed6 100644
--- a/media-converter/src/audioconvbin/imp.rs
+++ b/media-converter/src/audioconvbin/imp.rs
@@ -155,7 +155,9 @@ impl ElementImpl for AudioConvBin {
                 gst::PadPresence::Always,
                 &caps).unwrap();
 
-            let caps = gst::Caps::builder("audio/x-raw").build();
+            let caps = gst::Caps::builder("audio/x-raw")
+                .field("format", "S16LE") /* opusdec always output S16LE */
+                .build();
             let src_pad_template = gst::PadTemplate::new(
                 "src",
                 gst::PadDirection::Src,