allow slightly deviated sound rates (for Wiz)

[picodrive.git] / platform / common / mp3_helix.c

diff --git a/platform/common/mp3_helix.c b/platform/common/mp3_helix.c
index 5f58aa5..4a4931f 100644 (file)
--- a/platform/common/mp3_helix.c
+++ b/platform/common/mp3_helix.c
@@ -196,8 +196,14 @@ void mp3_update(int *buffer, int length, int stereo)
                return; /* no file / EOF */
 
        length_mp3 = length;
-       if (PsndRate == 22050) { mix_samples = mix_16h_to_32_s1; length_mp3 <<= 1; shr = 1; }
-       else if (PsndRate == 11025) { mix_samples = mix_16h_to_32_s2; length_mp3 <<= 2; shr = 2; }
+       if (PsndRate <= 11025 + 100) {
+               mix_samples = mix_16h_to_32_s2;
+               length_mp3 <<= 2; shr = 2;
+       }
+       else if (PsndRate <= 22050 + 100) {
+               mix_samples = mix_16h_to_32_s1;
+               length_mp3 <<= 1; shr = 1;
+       }
 
        if (1152 - mp3_buffer_offs >= length_mp3) {
                mix_samples(buffer, cdda_out_buffer + mp3_buffer_offs*2, length<<1);