From 6c469dc9d9dde10bd284015548122985712535a9 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Thu, 30 Oct 2014 22:50:44 +0100
Subject: demux_lavf, stream_lavf: drop local buffers on time-seeks

There was chance that some data was left in various local buffers after
time-seeks. Probably doesn't actually matter.
---
 demux/demux_lavf.c   | 7 +++++--
 stream/stream_lavf.c | 4 +++-
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/demux/demux_lavf.c b/demux/demux_lavf.c
index d1158619b7..e6b62adb12 100644
--- a/demux/demux_lavf.c
+++ b/demux/demux_lavf.c
@@ -189,8 +189,11 @@ static int64_t mp_read_seek(void *opaque, int stream_idx, int64_t ts, int flags)
         .flags = flags,
     };
 
-    int ret = stream_control(stream, STREAM_CTRL_AVSEEK, &cmd);
-    return ret < 1 ? AVERROR(ENOSYS) : 0;
+    if (stream_control(stream, STREAM_CTRL_AVSEEK, &cmd) == STREAM_OK) {
+        stream_drop_buffers(stream);
+        return 0;
+    }
+    return AVERROR(ENOSYS);
 }
 
 static void list_formats(struct demuxer *demuxer)
diff --git a/stream/stream_lavf.c b/stream/stream_lavf.c
index 76f2c8ee4e..286f9effcc 100644
--- a/stream/stream_lavf.c
+++ b/stream/stream_lavf.c
@@ -113,8 +113,10 @@ static int control(stream_t *s, int cmd, void *arg)
     case STREAM_CTRL_AVSEEK: {
         struct stream_avseek *c = arg;
         int64_t r = avio_seek_time(avio, c->stream_index, c->timestamp, c->flags);
-        if (r >= 0)
+        if (r >= 0) {
+            stream_drop_buffers(s);
             return 1;
+        }
         break;
     }
     case STREAM_CTRL_HAS_AVSEEK:
-- 
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