diff options
Diffstat (limited to 'include/media/MediaPlayerInterface.h')
| -rw-r--r-- | include/media/MediaPlayerInterface.h | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/include/media/MediaPlayerInterface.h b/include/media/MediaPlayerInterface.h index 9a75f81..3b151ef 100644 --- a/include/media/MediaPlayerInterface.h +++ b/include/media/MediaPlayerInterface.h @@ -74,9 +74,18 @@ public: // AudioSink: abstraction layer for audio output class AudioSink : public RefBase { public: + enum cb_event_t { + CB_EVENT_FILL_BUFFER, // Request to write more data to buffer. + CB_EVENT_STREAM_END, // Sent after all the buffers queued in AF and HW are played + // back (after stop is called) + CB_EVENT_TEAR_DOWN // The AudioTrack was invalidated due to use case change: + // Need to re-evaluate offloading options + }; + // Callback returns the number of bytes actually written to the buffer. typedef size_t (*AudioCallback)( - AudioSink *audioSink, void *buffer, size_t size, void *cookie); + AudioSink *audioSink, void *buffer, size_t size, void *cookie, + cb_event_t event); virtual ~AudioSink() {} virtual bool ready() const = 0; // audio output is open and ready @@ -99,9 +108,10 @@ public: int bufferCount=DEFAULT_AUDIOSINK_BUFFERCOUNT, AudioCallback cb = NULL, void *cookie = NULL, - audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE) = 0; + audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE, + const audio_offload_info_t *offloadInfo = NULL) = 0; - virtual void start() = 0; + virtual status_t start() = 0; virtual ssize_t write(const void* buffer, size_t size) = 0; virtual void stop() = 0; virtual void flush() = 0; @@ -110,6 +120,9 @@ public: virtual status_t setPlaybackRatePermille(int32_t rate) { return INVALID_OPERATION; } virtual bool needsTrailingPadding() { return true; } + + virtual status_t setParameters(const String8& keyValuePairs) { return NO_ERROR; }; + virtual String8 getParameters(const String8& keys) { return String8::empty(); }; }; MediaPlayerBase() : mCookie(0), mNotify(0) {} |