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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 "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;
}
}; // namespace android
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