Merge pull request #23361 from mrcdk/wav_loop_backward

Add backward looping support to AudioStreamSample (wav files)

1 files changed, 10 insertions, 4 deletions

diff --git a/editor/import/resource_importer_wav.cpp b/editor/import/resource_importer_wav.cpp
index 55f4cc7439..85ea0d343c 100644
--- a/editor/import/resource_importer_wav.cpp
+++ b/editor/import/resource_importer_wav.cpp
@@ -272,12 +272,18 @@ Error ResourceImporterWAV::import(const String &p_source_file, const String &p_s
 			for (int i = 0; i < 10; i++)
 				file->get_32(); // i wish to know why should i do this... no doc!
 
-			// only read 0x00 (loop forward) and 0x01 (loop ping-pong) and skip anything else because
-			// it's not supported (loop backward), reserved for future uses or sampler specific
+			// only read 0x00 (loop forward), 0x01 (loop ping-pong) and 0x02 (loop backward)
+			// Skip anything else because it's not supported, reserved for future uses or sampler specific
 			// from https://sites.google.com/site/musicgapi/technical-documents/wav-file-format#smpl (loop type values table)
 			int loop_type = file->get_32();
-			if (loop_type == 0x00 || loop_type == 0x01) {
-				loop = loop_type ? AudioStreamSample::LOOP_PING_PONG : AudioStreamSample::LOOP_FORWARD;
+			if (loop_type == 0x00 || loop_type == 0x01 || loop_type == 0x02) {
+				if (loop_type == 0x00) {
+					loop = AudioStreamSample::LOOP_FORWARD;
+				} else if (loop_type == 0x01) {
+					loop = AudioStreamSample::LOOP_PING_PONG;
+				} else if (loop_type == 0x02) {
+					loop = AudioStreamSample::LOOP_BACKWARD;
+				}
 				loop_begin = file->get_32();
 				loop_end = file->get_32();
 			}