[retro-gtk] retro-pa-player: Fix resample loop condition

[Adrien Plazas <aplazas src gnome org>]

commit a4bdf0925bca0a2d94609f0b5096b14dee651060
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Thu Jan 30 17:48:13 2020 +0500

    retro-pa-player: Fix resample loop condition
    
    Libsamplerate operates with the number of frames, so we should divide
    length by 2 when comparing.

 retro-gtk/retro-pa-player.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/retro-gtk/retro-pa-player.c b/retro-gtk/retro-pa-player.c
index 2d9b510..4873fe0 100644
--- a/retro-gtk/retro-pa-player.c
+++ b/retro-gtk/retro-pa-player.c
@@ -109,7 +109,7 @@ resample (RetroPaPlayer *self,
 
   frames_used_in = 0;
   frames_used_out = 0;
-  while (frames_used_in < length) {
+  while (frames_used_in < length / 2) {
     SRC_DATA data;
 
     data.data_in = data_in + frames_used_in * sizeof (gfloat);