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-rw-r--r--services/audioflinger/PatchPanel.cpp409
1 files changed, 409 insertions, 0 deletions
diff --git a/services/audioflinger/PatchPanel.cpp b/services/audioflinger/PatchPanel.cpp
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+++ b/services/audioflinger/PatchPanel.cpp
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+/*
+**
+** Copyright 2014, 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 "AudioFlinger::PatchPanel"
+//#define LOG_NDEBUG 0
+
+#include "Configuration.h"
+#include <utils/Log.h>
+#include <audio_utils/primitives.h>
+
+#include "AudioFlinger.h"
+#include "ServiceUtilities.h"
+#include <media/AudioParameter.h>
+
+// ----------------------------------------------------------------------------
+
+// Note: the following macro is used for extremely verbose logging message. In
+// order to run with ALOG_ASSERT turned on, we need to have LOG_NDEBUG set to
+// 0; but one side effect of this is to turn all LOGV's as well. Some messages
+// are so verbose that we want to suppress them even when we have ALOG_ASSERT
+// turned on. Do not uncomment the #def below unless you really know what you
+// are doing and want to see all of the extremely verbose messages.
+//#define VERY_VERY_VERBOSE_LOGGING
+#ifdef VERY_VERY_VERBOSE_LOGGING
+#define ALOGVV ALOGV
+#else
+#define ALOGVV(a...) do { } while(0)
+#endif
+
+namespace android {
+
+/* List connected audio ports and their attributes */
+status_t AudioFlinger::listAudioPorts(unsigned int *num_ports,
+ struct audio_port *ports)
+{
+ Mutex::Autolock _l(mLock);
+ if (mPatchPanel != 0) {
+ return mPatchPanel->listAudioPorts(num_ports, ports);
+ }
+ return NO_INIT;
+}
+
+/* Get supported attributes for a given audio port */
+status_t AudioFlinger::getAudioPort(struct audio_port *port)
+{
+ Mutex::Autolock _l(mLock);
+ if (mPatchPanel != 0) {
+ return mPatchPanel->getAudioPort(port);
+ }
+ return NO_INIT;
+}
+
+
+/* Connect a patch between several source and sink ports */
+status_t AudioFlinger::createAudioPatch(const struct audio_patch *patch,
+ audio_patch_handle_t *handle)
+{
+ Mutex::Autolock _l(mLock);
+ if (mPatchPanel != 0) {
+ return mPatchPanel->createAudioPatch(patch, handle);
+ }
+ return NO_INIT;
+}
+
+/* Disconnect a patch */
+status_t AudioFlinger::releaseAudioPatch(audio_patch_handle_t handle)
+{
+ Mutex::Autolock _l(mLock);
+ if (mPatchPanel != 0) {
+ return mPatchPanel->releaseAudioPatch(handle);
+ }
+ return NO_INIT;
+}
+
+
+/* List connected audio ports and they attributes */
+status_t AudioFlinger::listAudioPatches(unsigned int *num_patches,
+ struct audio_patch *patches)
+{
+ Mutex::Autolock _l(mLock);
+ if (mPatchPanel != 0) {
+ return mPatchPanel->listAudioPatches(num_patches, patches);
+ }
+ return NO_INIT;
+}
+
+/* Set audio port configuration */
+status_t AudioFlinger::setAudioPortConfig(const struct audio_port_config *config)
+{
+ Mutex::Autolock _l(mLock);
+ if (mPatchPanel != 0) {
+ return mPatchPanel->setAudioPortConfig(config);
+ }
+ return NO_INIT;
+}
+
+
+AudioFlinger::PatchPanel::PatchPanel(const sp<AudioFlinger>& audioFlinger)
+ : mAudioFlinger(audioFlinger)
+{
+}
+
+AudioFlinger::PatchPanel::~PatchPanel()
+{
+}
+
+/* List connected audio ports and their attributes */
+status_t AudioFlinger::PatchPanel::listAudioPorts(unsigned int *num_ports __unused,
+ struct audio_port *ports __unused)
+{
+ ALOGV("listAudioPorts");
+ return NO_ERROR;
+}
+
+/* Get supported attributes for a given audio port */
+status_t AudioFlinger::PatchPanel::getAudioPort(struct audio_port *port __unused)
+{
+ ALOGV("getAudioPort");
+ return NO_ERROR;
+}
+
+
+/* Connect a patch between several source and sink ports */
+status_t AudioFlinger::PatchPanel::createAudioPatch(const struct audio_patch *patch,
+ audio_patch_handle_t *handle)
+{
+ ALOGV("createAudioPatch() num_sources %d num_sinks %d handle %d",
+ patch->num_sources, patch->num_sinks, *handle);
+ status_t status = NO_ERROR;
+
+ audio_patch_handle_t halHandle = AUDIO_PATCH_HANDLE_NONE;
+
+ sp<AudioFlinger> audioflinger = mAudioFlinger.promote();
+ if (audioflinger == 0) {
+ return NO_INIT;
+ }
+ if (handle == NULL || patch == NULL) {
+ return BAD_VALUE;
+ }
+ // limit number of sources to 1 for now
+ if (patch->num_sources == 0 || patch->num_sources > 1 ||
+ patch->num_sinks == 0 || patch->num_sinks > AUDIO_PATCH_PORTS_MAX) {
+ return BAD_VALUE;
+ }
+
+ for (size_t index = 0; *handle != 0 && index < mPatches.size(); index++) {
+ if (*handle == mPatches[index]->mHandle) {
+ ALOGV("createAudioPatch() removing patch handle %d", *handle);
+ halHandle = mPatches[index]->mHalHandle;
+ mPatches.removeAt(index);
+ break;
+ }
+ }
+
+ switch (patch->sources[0].type) {
+ case AUDIO_PORT_TYPE_DEVICE: {
+ // limit number of sinks to 1 for now
+ if (patch->num_sinks > 1) {
+ return BAD_VALUE;
+ }
+ audio_module_handle_t src_module = patch->sources[0].ext.device.hw_module;
+ ssize_t index = audioflinger->mAudioHwDevs.indexOfKey(src_module);
+ if (index < 0) {
+ ALOGW("createAudioPatch() bad src hw module %d", src_module);
+ return BAD_VALUE;
+ }
+ for (unsigned int i = 0; i < patch->num_sinks; i++) {
+ // limit to connections between devices and output streams
+ if (patch->sinks[i].type != AUDIO_PORT_TYPE_MIX) {
+ ALOGW("createAudioPatch() invalid sink type %d for device source",
+ patch->sinks[i].type);
+ return BAD_VALUE;
+ }
+ // limit to connections between sinks and sources on same HW module
+ if (patch->sinks[i].ext.mix.hw_module != src_module) {
+ ALOGW("createAudioPatch() cannot connect source on module %d to"
+ "sink on module %d", src_module, patch->sinks[i].ext.mix.hw_module);
+ return BAD_VALUE;
+ }
+ }
+
+ AudioHwDevice *audioHwDevice = audioflinger->mAudioHwDevs.valueAt(index);
+ if (audioHwDevice->version() >= AUDIO_DEVICE_API_VERSION_3_0) {
+ if (patch->sinks[0].type == AUDIO_PORT_TYPE_MIX) {
+ sp<ThreadBase> thread = audioflinger->checkRecordThread_l(
+ patch->sinks[0].ext.mix.handle);
+ if (thread == 0) {
+ ALOGW("createAudioPatch() bad capture I/O handle %d",
+ patch->sinks[0].ext.mix.handle);
+ return BAD_VALUE;
+ }
+ status = thread->sendCreateAudioPatchConfigEvent(patch, &halHandle);
+ } else {
+ audio_hw_device_t *hwDevice = audioHwDevice->hwDevice();
+ status = hwDevice->create_audio_patch(hwDevice,
+ patch->num_sources,
+ patch->sources,
+ patch->num_sinks,
+ patch->sinks,
+ &halHandle);
+ }
+ } else {
+ sp<ThreadBase> thread = audioflinger->checkRecordThread_l(
+ patch->sinks[0].ext.mix.handle);
+ if (thread == 0) {
+ ALOGW("createAudioPatch() bad capture I/O handle %d",
+ patch->sinks[0].ext.mix.handle);
+ return BAD_VALUE;
+ }
+ AudioParameter param;
+ param.addInt(String8(AudioParameter::keyRouting),
+ (int)patch->sources[0].ext.device.type);
+ param.addInt(String8(AudioParameter::keyInputSource),
+ (int)patch->sinks[0].ext.mix.usecase.source);
+
+ ALOGW("createAudioPatch() AUDIO_PORT_TYPE_DEVICE setParameters %s",
+ param.toString().string());
+ status = thread->setParameters(param.toString());
+ }
+ } break;
+ case AUDIO_PORT_TYPE_MIX: {
+ audio_module_handle_t src_module = patch->sources[0].ext.mix.hw_module;
+ ssize_t index = audioflinger->mAudioHwDevs.indexOfKey(src_module);
+ if (index < 0) {
+ ALOGW("createAudioPatch() bad src hw module %d", src_module);
+ return BAD_VALUE;
+ }
+ // limit to connections between devices and output streams
+ for (unsigned int i = 0; i < patch->num_sinks; i++) {
+ if (patch->sinks[i].type != AUDIO_PORT_TYPE_DEVICE) {
+ ALOGW("createAudioPatch() invalid sink type %d for bus source",
+ patch->sinks[i].type);
+ return BAD_VALUE;
+ }
+ // limit to connections between sinks and sources on same HW module
+ if (patch->sinks[i].ext.device.hw_module != src_module) {
+ return BAD_VALUE;
+ }
+ }
+ AudioHwDevice *audioHwDevice = audioflinger->mAudioHwDevs.valueAt(index);
+ sp<ThreadBase> thread =
+ audioflinger->checkPlaybackThread_l(patch->sources[0].ext.mix.handle);
+ if (thread == 0) {
+ ALOGW("createAudioPatch() bad playback I/O handle %d",
+ patch->sources[0].ext.mix.handle);
+ return BAD_VALUE;
+ }
+ if (audioHwDevice->version() >= AUDIO_DEVICE_API_VERSION_3_0) {
+ status = thread->sendCreateAudioPatchConfigEvent(patch, &halHandle);
+ } else {
+ audio_devices_t type = AUDIO_DEVICE_NONE;
+ for (unsigned int i = 0; i < patch->num_sinks; i++) {
+ type |= patch->sinks[i].ext.device.type;
+ }
+ AudioParameter param;
+ param.addInt(String8(AudioParameter::keyRouting), (int)type);
+ status = thread->setParameters(param.toString());
+ }
+
+ } break;
+ default:
+ return BAD_VALUE;
+ }
+ ALOGV("createAudioPatch() status %d", status);
+ if (status == NO_ERROR) {
+ *handle = audioflinger->nextUniqueId();
+ Patch *newPatch = new Patch(patch);
+ newPatch->mHandle = *handle;
+ newPatch->mHalHandle = halHandle;
+ mPatches.add(newPatch);
+ ALOGV("createAudioPatch() added new patch handle %d halHandle %d", *handle, halHandle);
+ }
+ return status;
+}
+
+/* Disconnect a patch */
+status_t AudioFlinger::PatchPanel::releaseAudioPatch(audio_patch_handle_t handle)
+{
+ ALOGV("releaseAudioPatch handle %d", handle);
+ status_t status = NO_ERROR;
+ size_t index;
+
+ sp<AudioFlinger> audioflinger = mAudioFlinger.promote();
+ if (audioflinger == 0) {
+ return NO_INIT;
+ }
+
+ for (index = 0; index < mPatches.size(); index++) {
+ if (handle == mPatches[index]->mHandle) {
+ break;
+ }
+ }
+ if (index == mPatches.size()) {
+ return BAD_VALUE;
+ }
+
+ struct audio_patch *patch = &mPatches[index]->mAudioPatch;
+
+ switch (patch->sources[0].type) {
+ case AUDIO_PORT_TYPE_DEVICE: {
+ audio_module_handle_t src_module = patch->sources[0].ext.device.hw_module;
+ ssize_t index = audioflinger->mAudioHwDevs.indexOfKey(src_module);
+ if (index < 0) {
+ ALOGW("releaseAudioPatch() bad src hw module %d", src_module);
+ status = BAD_VALUE;
+ break;
+ }
+ AudioHwDevice *audioHwDevice = audioflinger->mAudioHwDevs.valueAt(index);
+ if (audioHwDevice->version() >= AUDIO_DEVICE_API_VERSION_3_0) {
+ if (patch->sinks[0].type == AUDIO_PORT_TYPE_MIX) {
+ sp<ThreadBase> thread = audioflinger->checkRecordThread_l(
+ patch->sinks[0].ext.mix.handle);
+ if (thread == 0) {
+ ALOGW("createAudioPatch() bad capture I/O handle %d",
+ patch->sinks[0].ext.mix.handle);
+ status = BAD_VALUE;
+ break;
+ }
+ status = thread->sendReleaseAudioPatchConfigEvent(mPatches[index]->mHalHandle);
+ } else {
+ audio_hw_device_t *hwDevice = audioHwDevice->hwDevice();
+ status = hwDevice->release_audio_patch(hwDevice, mPatches[index]->mHalHandle);
+ }
+ } else {
+ sp<ThreadBase> thread = audioflinger->checkRecordThread_l(
+ patch->sinks[0].ext.mix.handle);
+ if (thread == 0) {
+ ALOGW("releaseAudioPatch() bad capture I/O handle %d",
+ patch->sinks[0].ext.mix.handle);
+ status = BAD_VALUE;
+ break;
+ }
+ AudioParameter param;
+ param.addInt(String8(AudioParameter::keyRouting), 0);
+ ALOGW("releaseAudioPatch() AUDIO_PORT_TYPE_DEVICE setParameters %s",
+ param.toString().string());
+ status = thread->setParameters(param.toString());
+ }
+ } break;
+ case AUDIO_PORT_TYPE_MIX: {
+ audio_module_handle_t src_module = patch->sources[0].ext.mix.hw_module;
+ ssize_t index = audioflinger->mAudioHwDevs.indexOfKey(src_module);
+ if (index < 0) {
+ ALOGW("releaseAudioPatch() bad src hw module %d", src_module);
+ status = BAD_VALUE;
+ break;
+ }
+ sp<ThreadBase> thread =
+ audioflinger->checkPlaybackThread_l(patch->sources[0].ext.mix.handle);
+ if (thread == 0) {
+ ALOGW("releaseAudioPatch() bad playback I/O handle %d",
+ patch->sources[0].ext.mix.handle);
+ status = BAD_VALUE;
+ break;
+ }
+ AudioHwDevice *audioHwDevice = audioflinger->mAudioHwDevs.valueAt(index);
+ if (audioHwDevice->version() >= AUDIO_DEVICE_API_VERSION_3_0) {
+ status = thread->sendReleaseAudioPatchConfigEvent(mPatches[index]->mHalHandle);
+ } else {
+ AudioParameter param;
+ param.addInt(String8(AudioParameter::keyRouting), (int)0);
+ status = thread->setParameters(param.toString());
+ }
+ } break;
+ default:
+ status = BAD_VALUE;
+ break;
+ }
+
+ delete (mPatches[index]);
+ mPatches.removeAt(index);
+ return status;
+}
+
+
+/* List connected audio ports and they attributes */
+status_t AudioFlinger::PatchPanel::listAudioPatches(unsigned int *num_patches __unused,
+ struct audio_patch *patches __unused)
+{
+ ALOGV("listAudioPatches");
+ return NO_ERROR;
+}
+
+/* Set audio port configuration */
+status_t AudioFlinger::PatchPanel::setAudioPortConfig(
+ const struct audio_port_config *config __unused)
+{
+ ALOGV("setAudioPortConfig");
+ return NO_ERROR;
+}
+
+
+
+}; // namespace android