player: factor audio buffer clearing code

Note that the change in seek_reset is not entirely equivalent: we even
drop the remainder of buffered audio when seeking. This should be more
correct, because the whole point of the reset_ao parameter is to control
whether audio queued for output should be dropped or not.

1 files changed, 17 insertions, 0 deletions

diff --git a/mpvcore/player/audio.c b/mpvcore/player/audio.c
index 2c3d044c41..a0c558f02a 100644
--- a/mpvcore/player/audio.c
+++ b/mpvcore/player/audio.c
@@ -421,3 +421,20 @@ int fill_audio_out_buffers(struct MPContext *mpctx, double endpts)
 
     return signal_eof ? -2 : -partial_fill;
 }
+
+// Drop data queued for output, or which the AO is currently outputting.
+void clear_audio_output_buffers(struct MPContext *mpctx)
+{
+    if (mpctx->ao) {
+        ao_reset(mpctx->ao);
+        mpctx->ao->buffer.len = 0;
+        mpctx->ao->buffer_playable_size = 0;
+    }
+}
+
+// Drop decoded data queued for filtering.
+void clear_audio_decode_buffers(struct MPContext *mpctx)
+{
+    if (mpctx->sh_audio)
+        mpctx->sh_audio->a_buffer_len = 0;
+}