Merge pull request #55846 from ellenhp/fix_ogg_edge_cases

Fix ogg edge cases

1 files changed, 7 insertions, 10 deletions

diff --git a/modules/vorbis/audio_stream_ogg_vorbis.cpp b/modules/vorbis/audio_stream_ogg_vorbis.cpp
index b645a48c88..89a6b03ff8 100644
--- a/modules/vorbis/audio_stream_ogg_vorbis.cpp
+++ b/modules/vorbis/audio_stream_ogg_vorbis.cpp
@@ -36,23 +36,22 @@
 
 int AudioStreamPlaybackOGGVorbis::_mix_internal(AudioFrame *p_buffer, int p_frames) {
 	ERR_FAIL_COND_V(!ready, 0);
-	ERR_FAIL_COND_V(!active, 0);
+
+	if (!active) {
+		return 0;
+	}
 
 	int todo = p_frames;
 
 	int start_buffer = 0;
 
-	int frames_mixed_this_step = p_frames;
-
-	while (todo && active) {
+	while (todo > 0 && active) {
 		AudioFrame *buffer = p_buffer;
 		if (start_buffer > 0) {
 			buffer = buffer + start_buffer;
 		}
 		int mixed = _mix_frames_vorbis(buffer, todo);
-		if (mixed < 0) {
-			return 0;
-		}
+		ERR_FAIL_COND_V(mixed < 0, 0);
 		todo -= mixed;
 		frames_mixed += mixed;
 		start_buffer += mixed;
@@ -67,16 +66,14 @@ int AudioStreamPlaybackOGGVorbis::_mix_internal(AudioFrame *p_buffer, int p_fram
 				// we still have buffer to fill, start from this element in the next iteration.
 				start_buffer = p_frames - todo;
 			} else {
-				frames_mixed_this_step = p_frames - todo;
 				for (int i = p_frames - todo; i < p_frames; i++) {
 					p_buffer[i] = AudioFrame(0, 0);
 				}
 				active = false;
-				todo = 0;
 			}
 		}
 	}
-	return frames_mixed_this_step;
+	return p_frames - todo;
 }
 
 int AudioStreamPlaybackOGGVorbis::_mix_frames_vorbis(AudioFrame *p_buffer, int p_frames) {