From bdf9ed41fe4bdf4e254615b7333ab0feb1977e98 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Mon, 10 Jan 2022 11:04:36 +0100
Subject: ffplay: switch to new FIFO API

---
 fftools/ffplay.c | 22 +++++++++-------------
 1 file changed, 9 insertions(+), 13 deletions(-)

diff --git a/fftools/ffplay.c b/fftools/ffplay.c
index e7b20be76b..ac48d8765d 100644
--- a/fftools/ffplay.c
+++ b/fftools/ffplay.c
@@ -115,7 +115,7 @@ typedef struct MyAVPacketList {
 } MyAVPacketList;
 
 typedef struct PacketQueue {
-    AVFifoBuffer *pkt_list;
+    AVFifo *pkt_list;
     int nb_packets;
     int size;
     int64_t duration;
@@ -424,19 +424,18 @@ int64_t get_valid_channel_layout(int64_t channel_layout, int channels)
 static int packet_queue_put_private(PacketQueue *q, AVPacket *pkt)
 {
     MyAVPacketList pkt1;
+    int ret;
 
     if (q->abort_request)
        return -1;
 
-    if (av_fifo_space(q->pkt_list) < sizeof(pkt1)) {
-        if (av_fifo_grow(q->pkt_list, sizeof(pkt1)) < 0)
-            return -1;
-    }
 
     pkt1.pkt = pkt;
     pkt1.serial = q->serial;
 
-    av_fifo_generic_write(q->pkt_list, &pkt1, sizeof(pkt1), NULL);
+    ret = av_fifo_write(q->pkt_list, &pkt1, 1);
+    if (ret < 0)
+        return ret;
     q->nb_packets++;
     q->size += pkt1.pkt->size + sizeof(pkt1);
     q->duration += pkt1.pkt->duration;
@@ -477,7 +476,7 @@ static int packet_queue_put_nullpacket(PacketQueue *q, AVPacket *pkt, int stream
 static int packet_queue_init(PacketQueue *q)
 {
     memset(q, 0, sizeof(PacketQueue));
-    q->pkt_list = av_fifo_alloc(sizeof(MyAVPacketList));
+    q->pkt_list = av_fifo_alloc2(1, sizeof(MyAVPacketList), AV_FIFO_FLAG_AUTO_GROW);
     if (!q->pkt_list)
         return AVERROR(ENOMEM);
     q->mutex = SDL_CreateMutex();
@@ -499,10 +498,8 @@ static void packet_queue_flush(PacketQueue *q)
     MyAVPacketList pkt1;
 
     SDL_LockMutex(q->mutex);
-    while (av_fifo_size(q->pkt_list) >= sizeof(pkt1)) {
-        av_fifo_generic_read(q->pkt_list, &pkt1, sizeof(pkt1), NULL);
+    while (av_fifo_read(q->pkt_list, &pkt1, 1) >= 0)
         av_packet_free(&pkt1.pkt);
-    }
     q->nb_packets = 0;
     q->size = 0;
     q->duration = 0;
@@ -513,7 +510,7 @@ static void packet_queue_flush(PacketQueue *q)
 static void packet_queue_destroy(PacketQueue *q)
 {
     packet_queue_flush(q);
-    av_fifo_freep(&q->pkt_list);
+    av_fifo_freep2(&q->pkt_list);
     SDL_DestroyMutex(q->mutex);
     SDL_DestroyCond(q->cond);
 }
@@ -551,8 +548,7 @@ static int packet_queue_get(PacketQueue *q, AVPacket *pkt, int block, int *seria
             break;
         }
 
-        if (av_fifo_size(q->pkt_list) >= sizeof(pkt1)) {
-            av_fifo_generic_read(q->pkt_list, &pkt1, sizeof(pkt1), NULL);
+        if (av_fifo_read(q->pkt_list, &pkt1, 1) >= 0) {
             q->nb_packets--;
             q->size -= pkt1.pkt->size + sizeof(pkt1);
             q->duration -= pkt1.pkt->duration;
-- 
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