/*
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**
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** Copyright 2007, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#define LOG_TAG "AudioHwDevice"
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//#define LOG_NDEBUG 0
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#include <system/audio.h>
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#include <utils/Log.h>
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#include <audio_utils/spdif/SPDIFEncoder.h>
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#include "AudioHwDevice.h"
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#include "AudioStreamOut.h"
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#include "SpdifStreamOut.h"
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namespace android {
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// ----------------------------------------------------------------------------
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status_t AudioHwDevice::openOutputStream(
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AudioStreamOut **ppStreamOut,
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audio_io_handle_t handle,
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audio_devices_t devices,
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audio_output_flags_t flags,
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struct audio_config *config,
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const char *address)
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{
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struct audio_config originalConfig = *config;
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AudioStreamOut *outputStream = new AudioStreamOut(this, flags);
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// Try to open the HAL first using the current format.
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ALOGV("openOutputStream(), try "
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" sampleRate %d, Format %#x, "
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"channelMask %#x",
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config->sample_rate,
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config->format,
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config->channel_mask);
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status_t status = outputStream->open(handle, devices, config, address);
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if (status != NO_ERROR) {
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delete outputStream;
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outputStream = NULL;
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// FIXME Look at any modification to the config.
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// The HAL might modify the config to suggest a wrapped format.
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// Log this so we can see what the HALs are doing.
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ALOGI("openOutputStream(), HAL returned"
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" sampleRate %d, Format %#x, "
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"channelMask %#x, status %d",
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config->sample_rate,
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config->format,
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config->channel_mask,
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status);
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// If the data is encoded then try again using wrapped PCM.
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bool wrapperNeeded = !audio_has_proportional_frames(originalConfig.format)
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&& ((flags & AUDIO_OUTPUT_FLAG_DIRECT) != 0)
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&& ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) == 0);
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if (wrapperNeeded) {
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if (SPDIFEncoder::isFormatSupported(originalConfig.format)) {
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outputStream = new SpdifStreamOut(this, flags, originalConfig.format);
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status = outputStream->open(handle, devices, &originalConfig, address);
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if (status != NO_ERROR) {
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ALOGE("ERROR - openOutputStream(), SPDIF open returned %d",
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status);
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delete outputStream;
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outputStream = NULL;
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}
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} else {
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ALOGE("ERROR - openOutputStream(), SPDIFEncoder does not support format 0x%08x",
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originalConfig.format);
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}
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}
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}
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*ppStreamOut = outputStream;
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return status;
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}
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bool AudioHwDevice::supportsAudioPatches() const {
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bool result;
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return mHwDevice->supportsAudioPatches(&result) == OK ? result : false;
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}
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}; // namespace android
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