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author | John Grossman <johngro@google.com> | 2012-02-08 16:37:41 -0800 |
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committer | John Grossman <johngro@google.com> | 2012-02-16 13:45:11 -0800 |
commit | 4ff14bae91075eb274eb1c2975982358946e7e63 (patch) | |
tree | e9e54fddb9832d30b69c2a11c9ed2884397f2f95 /include/media/IAudioTrack.h | |
parent | 951bd8d1ad9581a414e171ad8605a9515d0ad667 (diff) | |
download | frameworks_av-4ff14bae91075eb274eb1c2975982358946e7e63.zip frameworks_av-4ff14bae91075eb274eb1c2975982358946e7e63.tar.gz frameworks_av-4ff14bae91075eb274eb1c2975982358946e7e63.tar.bz2 |
Upintegrate Audio Flinger changes from ICS_AAH
Bring in changes to audio flinger made to support timed audio tracks
and HW master volume control.
Change-Id: Ide52d48809bdbed13acf35fd59b24637e35064ae
Signed-off-by: John Grossman <johngro@google.com>
Diffstat (limited to 'include/media/IAudioTrack.h')
-rw-r--r-- | include/media/IAudioTrack.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/include/media/IAudioTrack.h b/include/media/IAudioTrack.h index e4772a1..77f3e21 100644 --- a/include/media/IAudioTrack.h +++ b/include/media/IAudioTrack.h @@ -24,7 +24,7 @@ #include <utils/Errors.h> #include <binder/IInterface.h> #include <binder/IMemory.h> - +#include <utils/LinearTransform.h> namespace android { @@ -71,6 +71,23 @@ public: */ virtual status_t attachAuxEffect(int effectId) = 0; + + /* Allocate a shared memory buffer suitable for holding timed audio + samples */ + virtual status_t allocateTimedBuffer(size_t size, + sp<IMemory>* buffer) = 0; + + /* Queue a buffer obtained via allocateTimedBuffer for playback at the given + timestamp */ + virtual status_t queueTimedBuffer(const sp<IMemory>& buffer, + int64_t pts) = 0; + + /* Define the linear transform that will be applied to the timestamps + given to queueTimedBuffer (which are expressed in media time). + Target specifies whether this transform converts media time to local time + or Tungsten time. The values for target are defined in AudioTrack.h */ + virtual status_t setMediaTimeTransform(const LinearTransform& xform, + int target) = 0; }; // ---------------------------------------------------------------------------- |