| /* |
| * 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(sDeviceTypeToEnumTable, |
| ARRAY_SIZE(sDeviceTypeToEnumTable), |
| 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(sDeviceTypeToEnumTable, |
| ARRAY_SIZE(sDeviceTypeToEnumTable), |
| 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 |