diff options
Diffstat (limited to 'services/audiopolicy/common/managerdefinitions/src/AudioPatch.cpp')
| -rw-r--r-- | services/audiopolicy/common/managerdefinitions/src/AudioPatch.cpp | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/services/audiopolicy/common/managerdefinitions/src/AudioPatch.cpp b/services/audiopolicy/common/managerdefinitions/src/AudioPatch.cpp new file mode 100644 index 0000000..3a317fa --- /dev/null +++ b/services/audiopolicy/common/managerdefinitions/src/AudioPatch.cpp @@ -0,0 +1,154 @@ +/* + * Copyright (C) 2015 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 "APM::AudioPatch" +//#define LOG_NDEBUG 0 + +#include "AudioPatch.h" +#include "AudioGain.h" +#include "ConfigParsingUtils.h" +#include <cutils/log.h> +#include <utils/String8.h> + +namespace android { + +int32_t volatile AudioPatch::mNextUniqueId = 1; + +AudioPatch::AudioPatch(const struct audio_patch *patch, uid_t uid) : + mHandle(static_cast<audio_patch_handle_t>(android_atomic_inc(&mNextUniqueId))), + mPatch(*patch), + mUid(uid), + mAfPatchHandle(0) +{ +} + +status_t AudioPatch::dump(int fd, int spaces, int index) const +{ + const size_t SIZE = 256; + char buffer[SIZE]; + String8 result; + + snprintf(buffer, SIZE, "%*sAudio patch %d:\n", spaces, "", index+1); + result.append(buffer); + snprintf(buffer, SIZE, "%*s- handle: %2d\n", spaces, "", mHandle); + result.append(buffer); + snprintf(buffer, SIZE, "%*s- audio flinger handle: %2d\n", spaces, "", mAfPatchHandle); + result.append(buffer); + snprintf(buffer, SIZE, "%*s- owner uid: %2d\n", spaces, "", mUid); + result.append(buffer); + snprintf(buffer, SIZE, "%*s- %d sources:\n", spaces, "", mPatch.num_sources); + result.append(buffer); + for (size_t i = 0; i < mPatch.num_sources; i++) { + if (mPatch.sources[i].type == AUDIO_PORT_TYPE_DEVICE) { + snprintf(buffer, SIZE, "%*s- Device ID %d %s\n", spaces + 2, "", + mPatch.sources[i].id, ConfigParsingUtils::enumToString(sDeviceNameToEnumTable, + ARRAY_SIZE(sDeviceNameToEnumTable), + mPatch.sources[i].ext.device.type)); + } else { + snprintf(buffer, SIZE, "%*s- Mix ID %d I/O handle %d\n", spaces + 2, "", + mPatch.sources[i].id, mPatch.sources[i].ext.mix.handle); + } + result.append(buffer); + } + snprintf(buffer, SIZE, "%*s- %d sinks:\n", spaces, "", mPatch.num_sinks); + result.append(buffer); + for (size_t i = 0; i < mPatch.num_sinks; i++) { + if (mPatch.sinks[i].type == AUDIO_PORT_TYPE_DEVICE) { + snprintf(buffer, SIZE, "%*s- Device ID %d %s\n", spaces + 2, "", + mPatch.sinks[i].id, ConfigParsingUtils::enumToString(sDeviceNameToEnumTable, + ARRAY_SIZE(sDeviceNameToEnumTable), + mPatch.sinks[i].ext.device.type)); + } else { + snprintf(buffer, SIZE, "%*s- Mix ID %d I/O handle %d\n", spaces + 2, "", + mPatch.sinks[i].id, mPatch.sinks[i].ext.mix.handle); + } + result.append(buffer); + } + + write(fd, result.string(), result.size()); + return NO_ERROR; +} + +status_t AudioPatchCollection::addAudioPatch(audio_patch_handle_t handle, + const sp<AudioPatch>& patch) +{ + ssize_t index = indexOfKey(handle); + + if (index >= 0) { + ALOGW("addAudioPatch() patch %d already in", handle); + return ALREADY_EXISTS; + } + add(handle, patch); + ALOGV("addAudioPatch() handle %d af handle %d num_sources %d num_sinks %d source handle %d" + "sink handle %d", + handle, patch->mAfPatchHandle, patch->mPatch.num_sources, patch->mPatch.num_sinks, + patch->mPatch.sources[0].id, patch->mPatch.sinks[0].id); + return NO_ERROR; +} + +status_t AudioPatchCollection::removeAudioPatch(audio_patch_handle_t handle) +{ + ssize_t index = indexOfKey(handle); + + if (index < 0) { + ALOGW("removeAudioPatch() patch %d not in", handle); + return ALREADY_EXISTS; + } + ALOGV("removeAudioPatch() handle %d af handle %d", handle, valueAt(index)->mAfPatchHandle); + removeItemsAt(index); + return NO_ERROR; +} + +status_t AudioPatchCollection::listAudioPatches(unsigned int *num_patches, + struct audio_patch *patches) const +{ + if (num_patches == NULL || (*num_patches != 0 && patches == NULL)) { + return BAD_VALUE; + } + ALOGV("listAudioPatches() num_patches %d patches %p available patches %zu", + *num_patches, patches, size()); + if (patches == NULL) { + *num_patches = 0; + } + + size_t patchesWritten = 0; + size_t patchesMax = *num_patches; + for (size_t i = 0; i < size() && patchesWritten < patchesMax; i++) { + const sp<AudioPatch> patch = valueAt(i); + patches[patchesWritten] = patch->mPatch; + patches[patchesWritten++].id = patch->mHandle; + ALOGV("listAudioPatches() patch %zu num_sources %d num_sinks %d", + i, patch->mPatch.num_sources, patch->mPatch.num_sinks); + } + *num_patches = size(); + + ALOGV("listAudioPatches() got %zu patches needed %d", patchesWritten, *num_patches); + return NO_ERROR; +} + +status_t AudioPatchCollection::dump(int fd) const +{ + const size_t SIZE = 256; + char buffer[SIZE]; + snprintf(buffer, SIZE, "\nAudio Patches:\n"); + write(fd, buffer, strlen(buffer)); + for (size_t i = 0; i < size(); i++) { + valueAt(i)->dump(fd, 2, i); + } + return NO_ERROR; +} + +}; // namespace android |