From a9c0ad149f707adf8ba34c8fe1ce5859f30b0852 Mon Sep 17 00:00:00 2001
From: sfan5 <sfan5@live.de>
Date: Mon, 7 Aug 2023 23:08:32 +0200
Subject: [PATCH] ad_spdif: fix this not working at all

fixes 4c3ed843dc8bde419d8c08565159a83cee9e3b9b
closes #12102
---
 audio/decode/ad_spdif.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/audio/decode/ad_spdif.c b/audio/decode/ad_spdif.c
index 19a9b7d2f6..393af8a2a3 100644
--- a/audio/decode/ad_spdif.c
+++ b/audio/decode/ad_spdif.c
@@ -153,8 +153,7 @@ static int init_filter(struct mp_filter *da)
 {
     struct spdifContext *spdif_ctx = da->priv;
 
-    AVPacket *pkt = spdif_ctx->avpkt = av_packet_alloc();
-    MP_HANDLE_OOM(spdif_ctx->avpkt);
+    AVPacket *pkt = spdif_ctx->avpkt;
 
     int profile = FF_PROFILE_UNKNOWN;
     int c_rate = 0;
@@ -299,14 +298,18 @@ static void process(struct mp_filter *da)
     struct mp_aframe *out = NULL;
     double pts = mpkt->pts;
 
+    if (!spdif_ctx->avpkt) {
+        spdif_ctx->avpkt = av_packet_alloc();
+        MP_HANDLE_OOM(spdif_ctx->avpkt);
+    }
+    mp_set_av_packet(spdif_ctx->avpkt, mpkt, NULL);
+    spdif_ctx->avpkt->pts = spdif_ctx->avpkt->dts = 0;
     if (!spdif_ctx->lavf_ctx) {
         if (init_filter(da) < 0)
             goto done;
         assert(spdif_ctx->avpkt);
     }
 
-    mp_set_av_packet(spdif_ctx->avpkt, mpkt, NULL);
-    spdif_ctx->avpkt->pts = spdif_ctx->avpkt->dts = 0;
     spdif_ctx->out_buffer_len  = 0;
     int ret = av_write_frame(spdif_ctx->lavf_ctx, spdif_ctx->avpkt);
     avio_flush(spdif_ctx->lavf_ctx->pb);