Index: media/audio/audio_parameters.h |
diff --git a/media/audio/audio_parameters.h b/media/audio/audio_parameters.h |
index 9172d743066e0a93a8c4e95390c070f5e51d1b1e..2842bc1f4c6e08945af9a74f1737ba9323fafaa4 100644 |
--- a/media/audio/audio_parameters.h |
+++ b/media/audio/audio_parameters.h |
@@ -8,6 +8,12 @@ |
#include "base/basictypes.h" |
struct AudioParameters { |
+ // Compare is useful when AudioParameters is used as a key in std::map. |
+ class Compare { |
+ public: |
+ bool operator()(const AudioParameters& a, const AudioParameters& b) const; |
+ }; |
+ |
enum Format { |
AUDIO_PCM_LINEAR = 0, // PCM is 'raw' amplitude samples. |
AUDIO_PCM_LOW_LATENCY, // Linear PCM, low latency requested. |