Providing unplayed bytes in audio hardware buffer

BUG=20007
TEST=WinAudioTest.PCMWaveStreamPendingBytes

We used to guess what is in the hardware audio buffer to
perform audio sync. But due the triple buffering and
other platforms has other buffering scheme we need to be
able to know how many bytes are left in the hardware buffer.

We provide this data via AudioCallback::OnMoreData(), so we
can predict when the requested buffer will be played.

Review URL: http://codereview.chromium.org/174243

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@24114 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 1 insertions, 1 deletions

diff --git a/media/audio/simple_sources_unittest.cc b/media/audio/simple_sources_unittest.cc
index ef6a5a7..51eb8db 100644
--- a/media/audio/simple_sources_unittest.cc
+++ b/media/audio/simple_sources_unittest.cc
@@ -54,7 +54,7 @@ TEST(SimpleSourcesTest, PushSourceSmallerWrite) {
   // Read everything from the push source.
   for (size_t i = 0; i < kDataSize; i += kReadSize) {
     size_t size = std::min(kDataSize - i , kReadSize);
-    EXPECT_EQ(size, push_source.OnMoreData(NULL, read_data.get(), size));
+    EXPECT_EQ(size, push_source.OnMoreData(NULL, read_data.get(), size, 0));
     EXPECT_EQ(0, memcmp(data.get() + i, read_data.get(), size));
   }
   EXPECT_EQ(0u, push_source.UnProcessedBytes());