Partial frame support.

2015-08-29 20:57:42 -05:00
parent d8ed66c336
commit 6c83b35003
7 changed files with 518 additions and 330 deletions
--- a/src/xenia/apu/xma_helpers.h
+++ b/src/xenia/apu/xma_helpers.h
@@ -25,7 +25,12 @@ uint32_t GetPacketFrameCount(uint8_t* packet) {

 // Get the first frame offset in bits
 uint32_t GetPacketFrameOffset(uint8_t* packet) {
-  return (uint16_t)((packet[0] << 13) | (packet[1] << 5) | (packet[2] >> 3)) + 32;
+  uint32_t val = (uint16_t)(((packet[0] & 0x3) << 13) | (packet[1] << 5) | (packet[2] >> 3));
+  if (val == 0x7FFF) {
+    return -1;
+  } else {
+    return val + 32;
+  }
 }

 uint32_t GetPacketMetadata(uint8_t* packet) {