Introduce Audio V6
Generate with ./newHal.sh 5.0
+ some typo fix in the .hal
+ some clang-tidy run
This new HAL is an exact copy of the V5.
It will be modified in following patches while R is developed.
Test: push V6 to device and check audio works fine
Bug: 134940862
Change-Id: Ic25d30175032e76e0d3208fb876451de9ae6b7b4
Signed-off-by: Kevin Rocard <krocard@google.com>
diff --git a/audio/6.0/IStream.hal b/audio/6.0/IStream.hal
new file mode 100644
index 0000000..f4c91f8
--- /dev/null
+++ b/audio/6.0/IStream.hal
@@ -0,0 +1,310 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.audio@6.0;
+
+import android.hardware.audio.common@6.0;
+import android.hardware.audio.effect@6.0::IEffect;
+
+interface IStream {
+ /**
+ * Return the frame size (number of bytes per sample).
+ *
+ * @return frameSize frame size in bytes.
+ */
+ getFrameSize() generates (uint64_t frameSize);
+
+ /**
+ * Return the frame count of the buffer. Calling this method is equivalent
+ * to getting AUDIO_PARAMETER_STREAM_FRAME_COUNT on the legacy HAL.
+ *
+ * @return count frame count.
+ */
+ getFrameCount() generates (uint64_t count);
+
+ /**
+ * Return the size of input/output buffer in bytes for this stream.
+ * It must be a multiple of the frame size.
+ *
+ * @return buffer buffer size in bytes.
+ */
+ getBufferSize() generates (uint64_t bufferSize);
+
+ /**
+ * Return the sampling rate in Hz.
+ *
+ * @return sampleRateHz sample rate in Hz.
+ */
+ getSampleRate() generates (uint32_t sampleRateHz);
+
+ /**
+ * Return supported native sampling rates of the stream for a given format.
+ * A supported native sample rate is a sample rate that can be efficiently
+ * played by the hardware (typically without sample-rate conversions).
+ *
+ * This function is only called for dynamic profile. If called for
+ * non-dynamic profile is should return NOT_SUPPORTED or the same list
+ * as in audio_policy_configuration.xml.
+ *
+ * Calling this method is equivalent to getting
+ * AUDIO_PARAMETER_STREAM_SUP_SAMPLING_RATES on the legacy HAL.
+ *
+ *
+ * @param format audio format for which the sample rates are supported.
+ * @return retval operation completion status.
+ * Must be OK if the format is supported.
+ * @return sampleRateHz supported sample rates.
+ */
+ getSupportedSampleRates(AudioFormat format)
+ generates (Result retval, vec<uint32_t> sampleRates);
+
+ /**
+ * Sets the sampling rate of the stream. Calling this method is equivalent
+ * to setting AUDIO_PARAMETER_STREAM_SAMPLING_RATE on the legacy HAL.
+ * Optional method. If implemented, only called on a stopped stream.
+ *
+ * @param sampleRateHz sample rate in Hz.
+ * @return retval operation completion status.
+ */
+ setSampleRate(uint32_t sampleRateHz) generates (Result retval);
+
+ /**
+ * Return the channel mask of the stream.
+ *
+ * @return mask channel mask.
+ */
+ getChannelMask() generates (bitfield<AudioChannelMask> mask);
+
+ /**
+ * Return supported channel masks of the stream. Calling this method is
+ * equivalent to getting AUDIO_PARAMETER_STREAM_SUP_CHANNELS on the legacy
+ * HAL.
+ *
+ * @param format audio format for which the channel masks are supported.
+ * @return retval operation completion status.
+ * Must be OK if the format is supported.
+ * @return masks supported audio masks.
+ */
+ getSupportedChannelMasks(AudioFormat format)
+ generates (Result retval, vec<bitfield<AudioChannelMask>> masks);
+
+ /**
+ * Sets the channel mask of the stream. Calling this method is equivalent to
+ * setting AUDIO_PARAMETER_STREAM_CHANNELS on the legacy HAL.
+ * Optional method
+ *
+ * @param format audio format.
+ * @return retval operation completion status.
+ */
+ setChannelMask(bitfield<AudioChannelMask> mask) generates (Result retval);
+
+ /**
+ * Return the audio format of the stream.
+ *
+ * @return format audio format.
+ */
+ getFormat() generates (AudioFormat format);
+
+ /**
+ * Return supported audio formats of the stream. Calling this method is
+ * equivalent to getting AUDIO_PARAMETER_STREAM_SUP_FORMATS on the legacy
+ * HAL.
+ *
+ * @return formats supported audio formats.
+ */
+ getSupportedFormats() generates (vec<AudioFormat> formats);
+
+ /**
+ * Sets the audio format of the stream. Calling this method is equivalent to
+ * setting AUDIO_PARAMETER_STREAM_FORMAT on the legacy HAL.
+ * Optional method
+ *
+ * @param format audio format.
+ * @return retval operation completion status.
+ */
+ setFormat(AudioFormat format) generates (Result retval);
+
+ /**
+ * Convenience method for retrieving several stream parameters in
+ * one transaction.
+ *
+ * @return sampleRateHz sample rate in Hz.
+ * @return mask channel mask.
+ * @return format audio format.
+ */
+ getAudioProperties() generates (
+ uint32_t sampleRateHz, bitfield<AudioChannelMask> mask, AudioFormat format);
+
+ /**
+ * Applies audio effect to the stream.
+ *
+ * @param effectId effect ID (obtained from IEffectsFactory.createEffect) of
+ * the effect to apply.
+ * @return retval operation completion status.
+ */
+ addEffect(uint64_t effectId) generates (Result retval);
+
+ /**
+ * Stops application of the effect to the stream.
+ *
+ * @param effectId effect ID (obtained from IEffectsFactory.createEffect) of
+ * the effect to remove.
+ * @return retval operation completion status.
+ */
+ removeEffect(uint64_t effectId) generates (Result retval);
+
+ /**
+ * Put the audio hardware input/output into standby mode.
+ * Driver must exit from standby mode at the next I/O operation.
+ *
+ * @return retval operation completion status.
+ */
+ standby() generates (Result retval);
+
+ /**
+ * Return the set of devices which this stream is connected to.
+ * Optional method
+ *
+ * @return retval operation completion status: OK or NOT_SUPPORTED.
+ * @return device set of devices which this stream is connected to.
+ */
+ getDevices() generates (Result retval, vec<DeviceAddress> devices);
+
+ /**
+ * Connects the stream to one or multiple devices.
+ *
+ * This method must only be used for HALs that do not support
+ * 'IDevice.createAudioPatch' method. Calling this method is
+ * equivalent to setting AUDIO_PARAMETER_STREAM_ROUTING preceded
+ * with a device address in the legacy HAL interface.
+ *
+ * @param address device to connect the stream to.
+ * @return retval operation completion status.
+ */
+ setDevices(vec<DeviceAddress> devices) generates (Result retval);
+
+ /**
+ * Sets the HW synchronization source. Calling this method is equivalent to
+ * setting AUDIO_PARAMETER_STREAM_HW_AV_SYNC on the legacy HAL.
+ * Optional method
+ *
+ * @param hwAvSync HW synchronization source
+ * @return retval operation completion status.
+ */
+ setHwAvSync(AudioHwSync hwAvSync) generates (Result retval);
+
+ /**
+ * Generic method for retrieving vendor-specific parameter values.
+ * The framework does not interpret the parameters, they are passed
+ * in an opaque manner between a vendor application and HAL.
+ *
+ * Multiple parameters can be retrieved at the same time.
+ * The implementation should return as many requested parameters
+ * as possible, even if one or more is not supported
+ *
+ * @param context provides more information about the request
+ * @param keys keys of the requested parameters
+ * @return retval operation completion status.
+ * OK must be returned if keys is empty.
+ * NOT_SUPPORTED must be returned if at least one key is unknown.
+ * @return parameters parameter key value pairs.
+ * Must contain the value of all requested keys if retval == OK
+ */
+ getParameters(vec<ParameterValue> context, vec<string> keys)
+ generates (Result retval, vec<ParameterValue> parameters);
+
+ /**
+ * Generic method for setting vendor-specific parameter values.
+ * The framework does not interpret the parameters, they are passed
+ * in an opaque manner between a vendor application and HAL.
+ *
+ * Multiple parameters can be set at the same time though this is
+ * discouraged as it make failure analysis harder.
+ *
+ * If possible, a failed setParameters should not impact the platform state.
+ *
+ * @param context provides more information about the request
+ * @param parameters parameter key value pairs.
+ * @return retval operation completion status.
+ * All parameters must be successfully set for OK to be returned
+ */
+ setParameters(vec<ParameterValue> context, vec<ParameterValue> parameters)
+ generates (Result retval);
+
+ /**
+ * Called by the framework to start a stream operating in mmap mode.
+ * createMmapBuffer() must be called before calling start().
+ * Function only implemented by streams operating in mmap mode.
+ *
+ * @return retval OK in case the success.
+ * NOT_SUPPORTED on non mmap mode streams
+ * INVALID_STATE if called out of sequence
+ */
+ start() generates (Result retval);
+
+ /**
+ * Called by the framework to stop a stream operating in mmap mode.
+ * Function only implemented by streams operating in mmap mode.
+ *
+ * @return retval OK in case the success.
+ * NOT_SUPPORTED on non mmap mode streams
+ * INVALID_STATE if called out of sequence
+ */
+ stop() generates (Result retval) ;
+
+ /**
+ * Called by the framework to retrieve information on the mmap buffer used for audio
+ * samples transfer.
+ * Function only implemented by streams operating in mmap mode.
+ *
+ * @param minSizeFrames minimum buffer size requested. The actual buffer
+ * size returned in struct MmapBufferInfo can be larger.
+ * @return retval OK in case the success.
+ * NOT_SUPPORTED on non mmap mode streams
+ * NOT_INITIALIZED in case of memory allocation error
+ * INVALID_ARGUMENTS if the requested buffer size is too large
+ * INVALID_STATE if called out of sequence
+ * @return info a MmapBufferInfo struct containing information on the MMMAP buffer created.
+ */
+ createMmapBuffer(int32_t minSizeFrames)
+ generates (Result retval, MmapBufferInfo info);
+
+ /**
+ * Called by the framework to read current read/write position in the mmap buffer
+ * with associated time stamp.
+ * Function only implemented by streams operating in mmap mode.
+ *
+ * @return retval OK in case the success.
+ * NOT_SUPPORTED on non mmap mode streams
+ * INVALID_STATE if called out of sequence
+ * @return position a MmapPosition struct containing current HW read/write position in frames
+ * with associated time stamp.
+ */
+ getMmapPosition()
+ generates (Result retval, MmapPosition position);
+
+ /**
+ * Called by the framework to deinitialize the stream and free up
+ * all the currently allocated resources. It is recommended to close
+ * the stream on the client side as soon as it is becomes unused.
+ *
+ * @return retval OK in case the success.
+ * NOT_SUPPORTED if called on IStream instead of input or
+ * output stream interface.
+ * INVALID_STATE if the stream was already closed.
+ */
+ close() generates (Result retval);
+};