Check buffer index in shared memory for input audio.

media/audio/audio_parameters.h

Index: media/audio/audio_parameters.h
diff --git a/media/audio/audio_parameters.h b/media/audio/audio_parameters.h
index 3820d8cc3c91de2f3f7168d58074d2b25f8a4072..435fb99820a16ca9da13eae8270c1a017eb5782c 100644
--- a/media/audio/audio_parameters.h
+++ b/media/audio/audio_parameters.h
@@ -5,6 +5,7 @@
 #ifndef MEDIA_AUDIO_AUDIO_PARAMETERS_H_
 #define MEDIA_AUDIO_AUDIO_PARAMETERS_H_
 
+#include <stdint.h>
 #include <string>
 
 #include "base/basictypes.h"
@@ -17,7 +18,11 @@ namespace media {
 struct MEDIA_EXPORT AudioInputBufferParameters {

[tommi (sloooow) - chröme, 2015/08/14 09:56:21]

use #pragma pack if explicit packing is always necessary

[Henrik Grunell, 2015/08/14 12:38:32]

As discussed offline, that doesn't work (for gcc at least) since it specifies
maximum alignment. Using to ALIGNAS(), thanks for the tip.

   double volume;
   uint32 size;
+  uint32_t hardware_delay_bytes;
+  uint32_t id;
   bool key_pressed;
+  uint8_t pad8[3];

[DaleCurtis, 2015/08/13 22:00:49]

?

+  uint64_t pad64;
 };
 
 // Use a struct-in-struct approach to ensure that we can calculate the required