Add opus audio codec support in remoting

BUG=154714

Review URL: https://codereview.chromium.org/11189047

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@163675 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 10 insertions, 0 deletions

diff --git a/media/base/sinc_resampler.cc b/media/base/sinc_resampler.cc
index 9352fe3..d836fc7 100644
--- a/media/base/sinc_resampler.cc
+++ b/media/base/sinc_resampler.cc
@@ -52,6 +52,8 @@
 
 namespace media {
 
+namespace {
+
 enum {
   // The kernel size can be adjusted for quality (higher is better) at the
   // expense of performance.  Must be a multiple of 32.
@@ -73,6 +75,10 @@ enum {
   kBufferSize = kBlockSize + kKernelSize
 };
 
+}  // namespace
+
+const int SincResampler::kMaximumLookAheadSize = kBufferSize;
+
 SincResampler::SincResampler(double io_sample_rate_ratio, const ReadCB& read_cb)
     : io_sample_rate_ratio_(io_sample_rate_ratio),
       virtual_source_idx_(0),
diff --git a/media/base/sinc_resampler.h b/media/base/sinc_resampler.h
index 604192f..a1d3cf7 100644
--- a/media/base/sinc_resampler.h
+++ b/media/base/sinc_resampler.h
@@ -16,6 +16,10 @@ namespace media {
 // SincResampler is a high-quality single-channel sample-rate converter.
 class MEDIA_EXPORT SincResampler {
  public:
+  // The maximum number of samples that may be requested from the callback ahead
+  // of the current position in the stream.
+  static const int kMaximumLookAheadSize;
+
   // Callback type for providing more data into the resampler.  Expects |frames|
   // of data to be rendered into |destination|; zero padded if not enough frames
   // are available to satisfy the request.