blob: bf0cc94343a51abb53a46b6880e4f1bb336ea40b [file] [log] [blame]
/*
* 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 "TypeConverter.h"
#include <log/log.h>
#include <utils/String8.h>
namespace android {
AudioPatch::AudioPatch(const struct audio_patch *patch, uid_t uid) :
mHandle(HandleGenerator<audio_patch_handle_t>::getNextHandle()),
mPatch(*patch),
mUid(uid),
mAfPatchHandle(AUDIO_PATCH_HANDLE_NONE)
{
}
static void dumpPatchEndpoints(
String8 *dst, int spaces, const char *prefix, int count, const audio_port_config *cfgs)
{
for (int i = 0; i < count; ++i) {
const audio_port_config &cfg = cfgs[i];
dst->appendFormat("%*s [%s %d] ", spaces, "", prefix, i + 1);
if (cfg.type == AUDIO_PORT_TYPE_DEVICE) {
dst->appendFormat("Device ID %d %s", cfg.id, toString(cfg.ext.device.type).c_str());
} else {
dst->appendFormat("Mix ID %d I/O handle %d", cfg.id, cfg.ext.mix.handle);
}
dst->append("\n");
}
}
void AudioPatch::dump(String8 *dst, int spaces, int index) const
{
dst->appendFormat("%*sPatch %d: owner uid %4d, handle %2d, af handle %2d\n",
spaces, "", index + 1, mUid, mHandle, mAfPatchHandle);
dumpPatchEndpoints(dst, spaces, "src ", mPatch.num_sources, mPatch.sources);
dumpPatchEndpoints(dst, spaces, "sink", mPatch.num_sinks, mPatch.sinks);
}
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;
*num_patches = 0;
for (size_t patchIndex = 0; patchIndex < size(); patchIndex++) {
// do not report patches with AUDIO_DEVICE_IN_STUB as source or
// AUDIO_DEVICE_OUT_STUB as sink as those devices are used by stub HALs by convention
const sp<AudioPatch> patch = valueAt(patchIndex);
bool skip = false;
for (size_t srcIndex = 0; srcIndex < patch->mPatch.num_sources && !skip; srcIndex++) {
if (patch->mPatch.sources[srcIndex].type == AUDIO_PORT_TYPE_DEVICE &&
patch->mPatch.sources[srcIndex].ext.device.type == AUDIO_DEVICE_IN_STUB) {
skip = true;
}
}
for (size_t sinkIndex = 0; sinkIndex < patch->mPatch.num_sinks && !skip; sinkIndex++) {
if (patch->mPatch.sinks[sinkIndex].type == AUDIO_PORT_TYPE_DEVICE &&
patch->mPatch.sinks[sinkIndex].ext.device.type == AUDIO_DEVICE_OUT_STUB) {
skip = true;
}
}
if (skip) {
continue; // to next audio patch
}
if (patchesWritten < patchesMax) {
patches[patchesWritten] = patch->mPatch;
patches[patchesWritten++].id = patch->mHandle;
}
(*num_patches)++;
ALOGV("listAudioPatches() patch %zu num_sources %d num_sinks %d",
patchIndex, patch->mPatch.num_sources, patch->mPatch.num_sinks);
}
ALOGV("listAudioPatches() got %zu patches needed %d", patchesWritten, *num_patches);
return NO_ERROR;
}
void AudioPatchCollection::dump(String8 *dst) const
{
dst->append("\nAudio Patches:\n");
for (size_t i = 0; i < size(); i++) {
valueAt(i)->dump(dst, 2, i);
}
}
} // namespace android