IAudioFlinger interface extension for patch panel
Change-Id: Iaabe0a7e315d5725e00a74a6ed40339b98f20330
diff --git a/media/libmedia/IAudioFlinger.cpp b/media/libmedia/IAudioFlinger.cpp
index 0e2463e..687fa76 100644
--- a/media/libmedia/IAudioFlinger.cpp
+++ b/media/libmedia/IAudioFlinger.cpp
@@ -74,6 +74,12 @@
GET_PRIMARY_OUTPUT_SAMPLING_RATE,
GET_PRIMARY_OUTPUT_FRAME_COUNT,
SET_LOW_RAM_DEVICE,
+ LIST_AUDIO_PORTS,
+ GET_AUDIO_PORT,
+ CREATE_AUDIO_PATCH,
+ RELEASE_AUDIO_PATCH,
+ LIST_AUDIO_PATCHES,
+ SET_AUDIO_PORT_CONFIG
};
class BpAudioFlinger : public BpInterface<IAudioFlinger>
@@ -801,7 +807,101 @@
remote()->transact(SET_LOW_RAM_DEVICE, data, &reply);
return reply.readInt32();
}
-
+ virtual status_t listAudioPorts(unsigned int *num_ports,
+ struct audio_port *ports)
+ {
+ if (num_ports == NULL || *num_ports == 0 || ports == NULL) {
+ return BAD_VALUE;
+ }
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+ data.writeInt32(*num_ports);
+ status_t status = remote()->transact(LIST_AUDIO_PORTS, data, &reply);
+ if (status != NO_ERROR ||
+ (status = (status_t)reply.readInt32()) != NO_ERROR) {
+ return status;
+ }
+ *num_ports = (unsigned int)reply.readInt32();
+ reply.read(ports, *num_ports * sizeof(struct audio_port));
+ return status;
+ }
+ virtual status_t getAudioPort(struct audio_port *port)
+ {
+ if (port == NULL) {
+ return BAD_VALUE;
+ }
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+ data.write(port, sizeof(struct audio_port));
+ status_t status = remote()->transact(GET_AUDIO_PORT, data, &reply);
+ if (status != NO_ERROR ||
+ (status = (status_t)reply.readInt32()) != NO_ERROR) {
+ return status;
+ }
+ reply.read(port, sizeof(struct audio_port));
+ return status;
+ }
+ virtual status_t createAudioPatch(const struct audio_patch *patch,
+ audio_patch_handle_t *handle)
+ {
+ if (patch == NULL || handle == NULL) {
+ return BAD_VALUE;
+ }
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+ data.write(patch, sizeof(struct audio_patch));
+ data.write(handle, sizeof(audio_patch_handle_t));
+ status_t status = remote()->transact(CREATE_AUDIO_PATCH, data, &reply);
+ if (status != NO_ERROR ||
+ (status = (status_t)reply.readInt32()) != NO_ERROR) {
+ return status;
+ }
+ reply.read(handle, sizeof(audio_patch_handle_t));
+ return status;
+ }
+ virtual status_t releaseAudioPatch(audio_patch_handle_t handle)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+ data.write(&handle, sizeof(audio_patch_handle_t));
+ status_t status = remote()->transact(RELEASE_AUDIO_PATCH, data, &reply);
+ if (status != NO_ERROR) {
+ status = (status_t)reply.readInt32();
+ }
+ return status;
+ }
+ virtual status_t listAudioPatches(unsigned int *num_patches,
+ struct audio_patch *patches)
+ {
+ if (num_patches == NULL || *num_patches == 0 || patches == NULL) {
+ return BAD_VALUE;
+ }
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+ data.writeInt32(*num_patches);
+ status_t status = remote()->transact(LIST_AUDIO_PATCHES, data, &reply);
+ if (status != NO_ERROR ||
+ (status = (status_t)reply.readInt32()) != NO_ERROR) {
+ return status;
+ }
+ *num_patches = (unsigned int)reply.readInt32();
+ reply.read(patches, *num_patches * sizeof(struct audio_patch));
+ return status;
+ }
+ virtual status_t setAudioPortConfig(const struct audio_port_config *config)
+ {
+ if (config == NULL) {
+ return BAD_VALUE;
+ }
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+ data.write(config, sizeof(struct audio_port_config));
+ status_t status = remote()->transact(SET_AUDIO_PORT_CONFIG, data, &reply);
+ if (status != NO_ERROR) {
+ status = (status_t)reply.readInt32();
+ }
+ return status;
+ }
};
IMPLEMENT_META_INTERFACE(AudioFlinger, "android.media.IAudioFlinger");
@@ -1199,6 +1299,76 @@
reply->writeInt32(setLowRamDevice(isLowRamDevice));
return NO_ERROR;
} break;
+ case LIST_AUDIO_PORTS: {
+ CHECK_INTERFACE(IAudioFlinger, data, reply);
+ unsigned int num_ports = data.readInt32();
+ struct audio_port *ports =
+ (struct audio_port *)calloc(num_ports,
+ sizeof(struct audio_port));
+ status_t status = listAudioPorts(&num_ports, ports);
+ reply->writeInt32(status);
+ if (status == NO_ERROR) {
+ reply->writeInt32(num_ports);
+ reply->write(&ports, num_ports * sizeof(struct audio_port));
+ }
+ free(ports);
+ return NO_ERROR;
+ } break;
+ case GET_AUDIO_PORT: {
+ CHECK_INTERFACE(IAudioFlinger, data, reply);
+ struct audio_port port;
+ data.read(&port, sizeof(struct audio_port));
+ status_t status = getAudioPort(&port);
+ reply->writeInt32(status);
+ if (status == NO_ERROR) {
+ reply->write(&port, sizeof(struct audio_port));
+ }
+ return NO_ERROR;
+ } break;
+ case CREATE_AUDIO_PATCH: {
+ CHECK_INTERFACE(IAudioFlinger, data, reply);
+ struct audio_patch patch;
+ data.read(&patch, sizeof(struct audio_patch));
+ audio_patch_handle_t handle;
+ data.read(&handle, sizeof(audio_patch_handle_t));
+ status_t status = createAudioPatch(&patch, &handle);
+ reply->writeInt32(status);
+ if (status == NO_ERROR) {
+ reply->write(&handle, sizeof(audio_patch_handle_t));
+ }
+ return NO_ERROR;
+ } break;
+ case RELEASE_AUDIO_PATCH: {
+ CHECK_INTERFACE(IAudioFlinger, data, reply);
+ audio_patch_handle_t handle;
+ data.read(&handle, sizeof(audio_patch_handle_t));
+ status_t status = releaseAudioPatch(handle);
+ reply->writeInt32(status);
+ return NO_ERROR;
+ } break;
+ case LIST_AUDIO_PATCHES: {
+ CHECK_INTERFACE(IAudioFlinger, data, reply);
+ unsigned int num_patches = data.readInt32();
+ struct audio_patch *patches =
+ (struct audio_patch *)calloc(num_patches,
+ sizeof(struct audio_patch));
+ status_t status = listAudioPatches(&num_patches, patches);
+ reply->writeInt32(status);
+ if (status == NO_ERROR) {
+ reply->writeInt32(num_patches);
+ reply->write(&patches, num_patches * sizeof(struct audio_patch));
+ }
+ free(patches);
+ return NO_ERROR;
+ } break;
+ case SET_AUDIO_PORT_CONFIG: {
+ CHECK_INTERFACE(IAudioFlinger, data, reply);
+ struct audio_port_config config;
+ data.read(&config, sizeof(struct audio_port_config));
+ status_t status = setAudioPortConfig(&config);
+ reply->writeInt32(status);
+ return NO_ERROR;
+ } break;
default:
return BBinder::onTransact(code, data, reply, flags);
}