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/*
* 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
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