From 2502e13b073370edd62451808ed286f2d7d7a196 Mon Sep 17 00:00:00 2001
From: Lynne <dev@lynne.ee>
Date: Mon, 25 May 2020 14:41:33 +0100
Subject: opusenc: add apply_phase_inv option

By popular request.
Does the same as in libopusenc.
---
 libavcodec/opus_pvq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'libavcodec/opus_pvq.c')

diff --git a/libavcodec/opus_pvq.c b/libavcodec/opus_pvq.c
index 9c21d67298..a4ab7c46eb 100644
--- a/libavcodec/opus_pvq.c
+++ b/libavcodec/opus_pvq.c
@@ -627,7 +627,7 @@ static av_always_inline uint32_t quant_band_template(CeltPVQ *pvq, CeltFrame *f,
             }
         } else if (stereo) {
             if (quant) {
-                inv = itheta > 8192;
+                inv = f->apply_phase_inv ? itheta > 8192 : 0;
                  if (inv) {
                     for (i = 0; i < N; i++)
                        Y[i] *= -1;
-- 
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