diff options
Diffstat (limited to 'include/media/MediaPlayerInterface.h')
-rw-r--r-- | include/media/MediaPlayerInterface.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/include/media/MediaPlayerInterface.h b/include/media/MediaPlayerInterface.h index 4a6bf28..d6fe390 100644 --- a/include/media/MediaPlayerInterface.h +++ b/include/media/MediaPlayerInterface.h @@ -113,7 +113,19 @@ public: const audio_offload_info_t *offloadInfo = NULL) = 0; virtual status_t start() = 0; - virtual ssize_t write(const void* buffer, size_t size) = 0; + + /* Input parameter |size| is in byte units stored in |buffer|. + * Data is copied over and actual number of bytes written (>= 0) + * is returned, or no data is copied and a negative status code + * is returned (even when |blocking| is true). + * When |blocking| is false, AudioSink will immediately return after + * part of or full |buffer| is copied over. + * When |blocking| is true, AudioSink will wait to copy the entire + * buffer, unless an error occurs or the copy operation is + * prematurely stopped. + */ + virtual ssize_t write(const void* buffer, size_t size, bool blocking = true) = 0; + virtual void stop() = 0; virtual void flush() = 0; virtual void pause() = 0; @@ -156,6 +168,7 @@ public: virtual status_t stop() = 0; virtual status_t pause() = 0; virtual bool isPlaying() = 0; + virtual status_t setPlaybackRate(float rate) { return INVALID_OPERATION; } virtual status_t seekTo(int msec) = 0; virtual status_t getCurrentPosition(int *msec) = 0; virtual status_t getDuration(int *msec) = 0; |