624 lines
17 KiB
C++
624 lines
17 KiB
C++
//#define LOG_NDEBUG 0
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#define LOG_TAG "IOMX"
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#include <utils/Log.h>
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#include <binder/IMemory.h>
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#include <binder/Parcel.h>
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#include <media/IOMX.h>
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#include <ui/ISurface.h>
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#include <ui/Surface.h>
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namespace android {
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enum {
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CONNECT = IBinder::FIRST_CALL_TRANSACTION,
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LIST_NODES,
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ALLOCATE_NODE,
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FREE_NODE,
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SEND_COMMAND,
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GET_PARAMETER,
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SET_PARAMETER,
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USE_BUFFER,
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ALLOC_BUFFER,
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ALLOC_BUFFER_WITH_BACKUP,
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FREE_BUFFER,
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OBSERVE_NODE,
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FILL_BUFFER,
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EMPTY_BUFFER,
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CREATE_RENDERER,
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OBSERVER_ON_MSG,
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RENDERER_RENDER,
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};
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sp<IOMXRenderer> IOMX::createRenderer(
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const sp<Surface> &surface,
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const char *componentName,
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OMX_COLOR_FORMATTYPE colorFormat,
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size_t encodedWidth, size_t encodedHeight,
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size_t displayWidth, size_t displayHeight) {
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return createRenderer(
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surface->getISurface(),
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componentName, colorFormat, encodedWidth, encodedHeight,
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displayWidth, displayHeight);
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}
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static void *readVoidStar(const Parcel *parcel) {
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// FIX if sizeof(void *) != sizeof(int32)
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return (void *)parcel->readInt32();
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}
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static void writeVoidStar(void *x, Parcel *parcel) {
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// FIX if sizeof(void *) != sizeof(int32)
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parcel->writeInt32((int32_t)x);
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}
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class BpOMX : public BpInterface<IOMX> {
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public:
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BpOMX(const sp<IBinder> &impl)
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: BpInterface<IOMX>(impl) {
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}
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virtual status_t list_nodes(List<String8> *list) {
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list->clear();
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Parcel data, reply;
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data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
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remote()->transact(LIST_NODES, data, &reply);
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int32_t n = reply.readInt32();
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for (int32_t i = 0; i < n; ++i) {
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String8 s = reply.readString8();
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list->push_back(s);
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}
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return OK;
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}
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virtual status_t allocate_node(const char *name, node_id *node) {
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Parcel data, reply;
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data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
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data.writeCString(name);
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remote()->transact(ALLOCATE_NODE, data, &reply);
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status_t err = reply.readInt32();
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if (err == OK) {
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*node = readVoidStar(&reply);
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} else {
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*node = 0;
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}
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return err;
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}
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virtual status_t free_node(node_id node) {
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Parcel data, reply;
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data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
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writeVoidStar(node, &data);
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remote()->transact(FREE_NODE, data, &reply);
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return reply.readInt32();
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}
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virtual status_t send_command(
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node_id node, OMX_COMMANDTYPE cmd, OMX_S32 param) {
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Parcel data, reply;
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data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
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writeVoidStar(node, &data);
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data.writeInt32(cmd);
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data.writeInt32(param);
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remote()->transact(SEND_COMMAND, data, &reply);
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return reply.readInt32();
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}
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virtual status_t get_parameter(
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node_id node, OMX_INDEXTYPE index,
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void *params, size_t size) {
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Parcel data, reply;
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data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
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writeVoidStar(node, &data);
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data.writeInt32(index);
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data.writeInt32(size);
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data.write(params, size);
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remote()->transact(GET_PARAMETER, data, &reply);
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status_t err = reply.readInt32();
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if (err != OK) {
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return err;
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}
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reply.read(params, size);
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return OK;
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}
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virtual status_t set_parameter(
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node_id node, OMX_INDEXTYPE index,
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const void *params, size_t size) {
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Parcel data, reply;
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data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
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writeVoidStar(node, &data);
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data.writeInt32(index);
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data.writeInt32(size);
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data.write(params, size);
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remote()->transact(SET_PARAMETER, data, &reply);
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return reply.readInt32();
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}
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virtual status_t use_buffer(
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node_id node, OMX_U32 port_index, const sp<IMemory> ¶ms,
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buffer_id *buffer) {
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Parcel data, reply;
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data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
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writeVoidStar(node, &data);
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data.writeInt32(port_index);
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data.writeStrongBinder(params->asBinder());
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remote()->transact(USE_BUFFER, data, &reply);
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status_t err = reply.readInt32();
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if (err != OK) {
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*buffer = 0;
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return err;
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}
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*buffer = readVoidStar(&reply);
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return err;
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}
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virtual status_t allocate_buffer(
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node_id node, OMX_U32 port_index, size_t size,
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buffer_id *buffer) {
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Parcel data, reply;
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data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
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writeVoidStar(node, &data);
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data.writeInt32(port_index);
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data.writeInt32(size);
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remote()->transact(ALLOC_BUFFER, data, &reply);
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status_t err = reply.readInt32();
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if (err != OK) {
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*buffer = 0;
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return err;
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}
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*buffer = readVoidStar(&reply);
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return err;
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}
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virtual status_t allocate_buffer_with_backup(
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node_id node, OMX_U32 port_index, const sp<IMemory> ¶ms,
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buffer_id *buffer) {
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Parcel data, reply;
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data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
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writeVoidStar(node, &data);
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data.writeInt32(port_index);
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data.writeStrongBinder(params->asBinder());
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remote()->transact(ALLOC_BUFFER_WITH_BACKUP, data, &reply);
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status_t err = reply.readInt32();
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if (err != OK) {
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*buffer = 0;
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return err;
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}
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*buffer = readVoidStar(&reply);
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return err;
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}
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virtual status_t free_buffer(
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node_id node, OMX_U32 port_index, buffer_id buffer) {
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Parcel data, reply;
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data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
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writeVoidStar(node, &data);
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data.writeInt32(port_index);
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writeVoidStar(buffer, &data);
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remote()->transact(FREE_BUFFER, data, &reply);
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return reply.readInt32();
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}
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virtual status_t observe_node(
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node_id node, const sp<IOMXObserver> &observer) {
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Parcel data, reply;
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data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
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writeVoidStar(node, &data);
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data.writeStrongBinder(observer->asBinder());
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remote()->transact(OBSERVE_NODE, data, &reply);
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return reply.readInt32();
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}
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virtual void fill_buffer(node_id node, buffer_id buffer) {
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Parcel data, reply;
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data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
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writeVoidStar(node, &data);
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writeVoidStar(buffer, &data);
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remote()->transact(FILL_BUFFER, data, &reply, IBinder::FLAG_ONEWAY);
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}
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virtual void empty_buffer(
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node_id node,
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buffer_id buffer,
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OMX_U32 range_offset, OMX_U32 range_length,
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OMX_U32 flags, OMX_TICKS timestamp) {
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Parcel data, reply;
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data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
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writeVoidStar(node, &data);
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writeVoidStar(buffer, &data);
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data.writeInt32(range_offset);
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data.writeInt32(range_length);
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data.writeInt32(flags);
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data.writeInt64(timestamp);
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remote()->transact(EMPTY_BUFFER, data, &reply, IBinder::FLAG_ONEWAY);
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}
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virtual sp<IOMXRenderer> createRenderer(
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const sp<ISurface> &surface,
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const char *componentName,
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OMX_COLOR_FORMATTYPE colorFormat,
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size_t encodedWidth, size_t encodedHeight,
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size_t displayWidth, size_t displayHeight) {
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Parcel data, reply;
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data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
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data.writeStrongBinder(surface->asBinder());
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data.writeCString(componentName);
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data.writeInt32(colorFormat);
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data.writeInt32(encodedWidth);
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data.writeInt32(encodedHeight);
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data.writeInt32(displayWidth);
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data.writeInt32(displayHeight);
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remote()->transact(CREATE_RENDERER, data, &reply);
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return interface_cast<IOMXRenderer>(reply.readStrongBinder());
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}
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};
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IMPLEMENT_META_INTERFACE(OMX, "android.hardware.IOMX");
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////////////////////////////////////////////////////////////////////////////////
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#define CHECK_INTERFACE(interface, data, reply) \
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do { if (!data.enforceInterface(interface::getInterfaceDescriptor())) { \
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LOGW("Call incorrectly routed to " #interface); \
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return PERMISSION_DENIED; \
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} } while (0)
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status_t BnOMX::onTransact(
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uint32_t code, const Parcel &data, Parcel *reply, uint32_t flags) {
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switch (code) {
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case LIST_NODES:
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{
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CHECK_INTERFACE(IOMX, data, reply);
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List<String8> list;
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list_nodes(&list);
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reply->writeInt32(list.size());
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for (List<String8>::iterator it = list.begin();
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it != list.end(); ++it) {
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reply->writeString8(*it);
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}
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return NO_ERROR;
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}
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case ALLOCATE_NODE:
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{
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CHECK_INTERFACE(IOMX, data, reply);
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node_id node;
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status_t err = allocate_node(data.readCString(), &node);
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reply->writeInt32(err);
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if (err == OK) {
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writeVoidStar(node, reply);
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}
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return NO_ERROR;
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}
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case FREE_NODE:
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{
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CHECK_INTERFACE(IOMX, data, reply);
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node_id node = readVoidStar(&data);
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reply->writeInt32(free_node(node));
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return NO_ERROR;
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}
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case SEND_COMMAND:
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{
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CHECK_INTERFACE(IOMX, data, reply);
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node_id node = readVoidStar(&data);
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OMX_COMMANDTYPE cmd =
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static_cast<OMX_COMMANDTYPE>(data.readInt32());
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OMX_S32 param = data.readInt32();
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reply->writeInt32(send_command(node, cmd, param));
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return NO_ERROR;
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}
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case GET_PARAMETER:
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{
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CHECK_INTERFACE(IOMX, data, reply);
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node_id node = readVoidStar(&data);
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OMX_INDEXTYPE index = static_cast<OMX_INDEXTYPE>(data.readInt32());
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size_t size = data.readInt32();
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// XXX I am not happy with this but Parcel::readInplace didn't work.
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void *params = malloc(size);
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data.read(params, size);
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status_t err = get_parameter(node, index, params, size);
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reply->writeInt32(err);
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if (err == OK) {
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reply->write(params, size);
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}
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free(params);
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params = NULL;
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return NO_ERROR;
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}
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case SET_PARAMETER:
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{
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CHECK_INTERFACE(IOMX, data, reply);
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node_id node = readVoidStar(&data);
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OMX_INDEXTYPE index = static_cast<OMX_INDEXTYPE>(data.readInt32());
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size_t size = data.readInt32();
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void *params = const_cast<void *>(data.readInplace(size));
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reply->writeInt32(set_parameter(node, index, params, size));
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return NO_ERROR;
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}
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case USE_BUFFER:
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{
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CHECK_INTERFACE(IOMX, data, reply);
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node_id node = readVoidStar(&data);
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OMX_U32 port_index = data.readInt32();
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sp<IMemory> params =
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interface_cast<IMemory>(data.readStrongBinder());
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buffer_id buffer;
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status_t err = use_buffer(node, port_index, params, &buffer);
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reply->writeInt32(err);
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if (err == OK) {
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writeVoidStar(buffer, reply);
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}
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return NO_ERROR;
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}
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case ALLOC_BUFFER:
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{
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CHECK_INTERFACE(IOMX, data, reply);
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node_id node = readVoidStar(&data);
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OMX_U32 port_index = data.readInt32();
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size_t size = data.readInt32();
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buffer_id buffer;
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status_t err = allocate_buffer(node, port_index, size, &buffer);
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reply->writeInt32(err);
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if (err == OK) {
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writeVoidStar(buffer, reply);
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}
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return NO_ERROR;
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}
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case ALLOC_BUFFER_WITH_BACKUP:
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{
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CHECK_INTERFACE(IOMX, data, reply);
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node_id node = readVoidStar(&data);
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OMX_U32 port_index = data.readInt32();
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sp<IMemory> params =
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interface_cast<IMemory>(data.readStrongBinder());
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buffer_id buffer;
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status_t err = allocate_buffer_with_backup(
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node, port_index, params, &buffer);
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reply->writeInt32(err);
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if (err == OK) {
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writeVoidStar(buffer, reply);
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}
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return NO_ERROR;
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}
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case FREE_BUFFER:
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{
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CHECK_INTERFACE(IOMX, data, reply);
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node_id node = readVoidStar(&data);
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OMX_U32 port_index = data.readInt32();
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buffer_id buffer = readVoidStar(&data);
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reply->writeInt32(free_buffer(node, port_index, buffer));
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return NO_ERROR;
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}
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case OBSERVE_NODE:
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{
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CHECK_INTERFACE(IOMX, data, reply);
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node_id node = readVoidStar(&data);
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sp<IOMXObserver> observer =
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interface_cast<IOMXObserver>(data.readStrongBinder());
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reply->writeInt32(observe_node(node, observer));
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return NO_ERROR;
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}
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case FILL_BUFFER:
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{
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CHECK_INTERFACE(IOMX, data, reply);
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node_id node = readVoidStar(&data);
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buffer_id buffer = readVoidStar(&data);
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fill_buffer(node, buffer);
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return NO_ERROR;
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}
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case EMPTY_BUFFER:
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{
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CHECK_INTERFACE(IOMX, data, reply);
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node_id node = readVoidStar(&data);
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buffer_id buffer = readVoidStar(&data);
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OMX_U32 range_offset = data.readInt32();
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OMX_U32 range_length = data.readInt32();
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OMX_U32 flags = data.readInt32();
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OMX_TICKS timestamp = data.readInt64();
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empty_buffer(
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node, buffer, range_offset, range_length,
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flags, timestamp);
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return NO_ERROR;
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}
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case CREATE_RENDERER:
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{
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CHECK_INTERFACE(IOMX, data, reply);
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sp<ISurface> isurface =
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interface_cast<ISurface>(data.readStrongBinder());
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const char *componentName = data.readCString();
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OMX_COLOR_FORMATTYPE colorFormat =
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static_cast<OMX_COLOR_FORMATTYPE>(data.readInt32());
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size_t encodedWidth = (size_t)data.readInt32();
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size_t encodedHeight = (size_t)data.readInt32();
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size_t displayWidth = (size_t)data.readInt32();
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size_t displayHeight = (size_t)data.readInt32();
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sp<IOMXRenderer> renderer =
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createRenderer(isurface, componentName, colorFormat,
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encodedWidth, encodedHeight,
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displayWidth, displayHeight);
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reply->writeStrongBinder(renderer->asBinder());
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return OK;
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}
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default:
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return BBinder::onTransact(code, data, reply, flags);
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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class BpOMXObserver : public BpInterface<IOMXObserver> {
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public:
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BpOMXObserver(const sp<IBinder> &impl)
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: BpInterface<IOMXObserver>(impl) {
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}
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virtual void on_message(const omx_message &msg) {
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Parcel data, reply;
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data.writeInterfaceToken(IOMXObserver::getInterfaceDescriptor());
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data.write(&msg, sizeof(msg));
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remote()->transact(OBSERVER_ON_MSG, data, &reply, IBinder::FLAG_ONEWAY);
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}
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};
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IMPLEMENT_META_INTERFACE(OMXObserver, "android.hardware.IOMXObserver");
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status_t BnOMXObserver::onTransact(
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uint32_t code, const Parcel &data, Parcel *reply, uint32_t flags) {
|
|
switch (code) {
|
|
case OBSERVER_ON_MSG:
|
|
{
|
|
CHECK_INTERFACE(IOMXObserver, data, reply);
|
|
|
|
omx_message msg;
|
|
data.read(&msg, sizeof(msg));
|
|
|
|
// XXX Could use readInplace maybe?
|
|
on_message(msg);
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
default:
|
|
return BBinder::onTransact(code, data, reply, flags);
|
|
}
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
class BpOMXRenderer : public BpInterface<IOMXRenderer> {
|
|
public:
|
|
BpOMXRenderer(const sp<IBinder> &impl)
|
|
: BpInterface<IOMXRenderer>(impl) {
|
|
}
|
|
|
|
virtual void render(IOMX::buffer_id buffer) {
|
|
Parcel data, reply;
|
|
data.writeInterfaceToken(IOMXRenderer::getInterfaceDescriptor());
|
|
writeVoidStar(buffer, &data);
|
|
|
|
// NOTE: Do NOT make this a ONE_WAY call, it must be synchronous
|
|
// so that the caller knows when to recycle the buffer.
|
|
remote()->transact(RENDERER_RENDER, data, &reply);
|
|
}
|
|
};
|
|
|
|
IMPLEMENT_META_INTERFACE(OMXRenderer, "android.hardware.IOMXRenderer");
|
|
|
|
status_t BnOMXRenderer::onTransact(
|
|
uint32_t code, const Parcel &data, Parcel *reply, uint32_t flags) {
|
|
switch (code) {
|
|
case RENDERER_RENDER:
|
|
{
|
|
CHECK_INTERFACE(IOMXRenderer, data, reply);
|
|
|
|
IOMX::buffer_id buffer = readVoidStar(&data);
|
|
|
|
render(buffer);
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
default:
|
|
return BBinder::onTransact(code, data, reply, flags);
|
|
}
|
|
}
|
|
|
|
} // namespace android
|