diff options
Diffstat (limited to 'include/media/AudioSystem.h')
| -rw-r--r-- | include/media/AudioSystem.h | 36 |
1 files changed, 23 insertions, 13 deletions
diff --git a/include/media/AudioSystem.h b/include/media/AudioSystem.h index b11c812..225ef76 100644 --- a/include/media/AudioSystem.h +++ b/include/media/AudioSystem.h @@ -17,20 +17,18 @@ #ifndef ANDROID_AUDIOSYSTEM_H_ #define ANDROID_AUDIOSYSTEM_H_ -#include <utils/RefBase.h> -#include <utils/threads.h> -#include <media/IAudioFlinger.h> - +#include <hardware/audio_effect.h> +#include <media/IAudioFlingerClient.h> #include <system/audio.h> #include <system/audio_policy.h> - -/* XXX: Should be include by all the users instead */ -#include <media/AudioParameter.h> +#include <utils/Errors.h> +#include <utils/Mutex.h> namespace android { typedef void (*audio_error_callback)(status_t err); +class IAudioFlinger; class IAudioPolicyService; class String8; @@ -128,8 +126,10 @@ public: // - BAD_VALUE: invalid parameter // NOTE: this feature is not supported on all hardware platforms and it is // necessary to check returned status before using the returned values. - static status_t getRenderPosition(size_t *halFrames, size_t *dspFrames, - audio_stream_type_t stream = AUDIO_STREAM_DEFAULT); + static status_t getRenderPosition(audio_io_handle_t output, + size_t *halFrames, + size_t *dspFrames, + audio_stream_type_t stream = AUDIO_STREAM_DEFAULT); // return the number of input frames lost by HAL implementation, or 0 if the handle is invalid static size_t getInputFramesLost(audio_io_handle_t ioHandle); @@ -155,11 +155,11 @@ public: class OutputDescriptor { public: OutputDescriptor() - : samplingRate(0), format(AUDIO_FORMAT_DEFAULT), channels(0), frameCount(0), latency(0) {} + : samplingRate(0), format(AUDIO_FORMAT_DEFAULT), channelMask(0), frameCount(0), latency(0) {} uint32_t samplingRate; - int32_t format; - int32_t channels; + audio_format_t format; + audio_channel_mask_t channelMask; size_t frameCount; uint32_t latency; }; @@ -197,7 +197,8 @@ public: uint32_t samplingRate = 0, audio_format_t format = AUDIO_FORMAT_DEFAULT, audio_channel_mask_t channelMask = AUDIO_CHANNEL_OUT_STEREO, - audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE); + audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE, + const audio_offload_info_t *offloadInfo = NULL); static status_t startOutput(audio_io_handle_t output, audio_stream_type_t stream, int session = 0); @@ -245,6 +246,15 @@ public: static uint32_t getPrimaryOutputSamplingRate(); static size_t getPrimaryOutputFrameCount(); + static status_t setLowRamDevice(bool isLowRamDevice); + + // Check if hw offload is possible for given format, stream type, sample rate, + // bit rate, duration, video and streaming or offload property is enabled + static bool isOffloadSupported(const audio_offload_info_t& info); + + // check presence of audio flinger service. + // returns NO_ERROR if binding to service succeeds, DEAD_OBJECT otherwise + static status_t checkAudioFlinger(); // ---------------------------------------------------------------------------- private: |