| /* |
| ** |
| ** Copyright 2007, 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. |
| */ |
| |
| #define LOG_TAG "AudioHwDevice" |
| //#define LOG_NDEBUG 0 |
| |
| #include <system/audio.h> |
| #include <utils/Log.h> |
| |
| #include <audio_utils/spdif/SPDIFEncoder.h> |
| |
| #include "AudioHwDevice.h" |
| #include "AudioStreamOut.h" |
| #include "SpdifStreamOut.h" |
| |
| namespace android { |
| |
| // ---------------------------------------------------------------------------- |
| |
| status_t AudioHwDevice::openOutputStream( |
| AudioStreamOut **ppStreamOut, |
| audio_io_handle_t handle, |
| audio_devices_t deviceType, |
| audio_output_flags_t flags, |
| struct audio_config *config, |
| const char *address) |
| { |
| |
| struct audio_config originalConfig = *config; |
| AudioStreamOut *outputStream = new AudioStreamOut(this, flags); |
| |
| // Try to open the HAL first using the current format. |
| ALOGV("openOutputStream(), try " |
| " sampleRate %d, Format %#x, " |
| "channelMask %#x", |
| config->sample_rate, |
| config->format, |
| config->channel_mask); |
| status_t status = outputStream->open(handle, deviceType, config, address); |
| |
| if (status != NO_ERROR) { |
| delete outputStream; |
| outputStream = NULL; |
| |
| // FIXME Look at any modification to the config. |
| // The HAL might modify the config to suggest a wrapped format. |
| // Log this so we can see what the HALs are doing. |
| ALOGI("openOutputStream(), HAL returned" |
| " sampleRate %d, Format %#x, " |
| "channelMask %#x, status %d", |
| config->sample_rate, |
| config->format, |
| config->channel_mask, |
| status); |
| |
| // If the data is encoded then try again using wrapped PCM. |
| bool wrapperNeeded = !audio_has_proportional_frames(originalConfig.format) |
| && ((flags & AUDIO_OUTPUT_FLAG_DIRECT) != 0) |
| && ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) == 0); |
| |
| if (wrapperNeeded) { |
| if (SPDIFEncoder::isFormatSupported(originalConfig.format)) { |
| outputStream = new SpdifStreamOut(this, flags, originalConfig.format); |
| status = outputStream->open(handle, deviceType, &originalConfig, address); |
| if (status != NO_ERROR) { |
| ALOGE("ERROR - openOutputStream(), SPDIF open returned %d", |
| status); |
| delete outputStream; |
| outputStream = NULL; |
| } |
| } else { |
| ALOGE("ERROR - openOutputStream(), SPDIFEncoder does not support format 0x%08x", |
| originalConfig.format); |
| } |
| } |
| } |
| |
| *ppStreamOut = outputStream; |
| return status; |
| } |
| |
| bool AudioHwDevice::supportsAudioPatches() const { |
| bool result; |
| return mHwDevice->supportsAudioPatches(&result) == OK ? result : false; |
| } |
| |
| status_t AudioHwDevice::getAudioPort(struct audio_port_v7 *port) const { |
| return mHwDevice->getAudioPort(port); |
| } |
| |
| |
| }; // namespace android |