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authorThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:45 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:45 -0800
commit15f767b960b38059a74a42a33e16d8df2aec8bc1 (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /media/libmedia/IMediaMetadataRetriever.cpp
parentad04d9201452001dbaac4349f084cc9316190b89 (diff)
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auto import from //depot/cupcake/@135843
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-rw-r--r--media/libmedia/IMediaMetadataRetriever.cpp218
1 files changed, 0 insertions, 218 deletions
diff --git a/media/libmedia/IMediaMetadataRetriever.cpp b/media/libmedia/IMediaMetadataRetriever.cpp
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--- a/media/libmedia/IMediaMetadataRetriever.cpp
+++ /dev/null
@@ -1,218 +0,0 @@
-/*
-**
-** Copyright (C) 2008 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.
-*/
-
-#include <stdint.h>
-#include <sys/types.h>
-#include <utils/Parcel.h>
-#include <SkBitmap.h>
-#include <media/IMediaMetadataRetriever.h>
-
-namespace android {
-
-enum {
- DISCONNECT = IBinder::FIRST_CALL_TRANSACTION,
- SET_DATA_SOURCE_URL,
- SET_DATA_SOURCE_FD,
- SET_MODE,
- GET_MODE,
- CAPTURE_FRAME,
- EXTARCT_ALBUM_ART,
- EXTRACT_METADATA,
-};
-
-class BpMediaMetadataRetriever: public BpInterface<IMediaMetadataRetriever>
-{
-public:
- BpMediaMetadataRetriever(const sp<IBinder>& impl)
- : BpInterface<IMediaMetadataRetriever>(impl)
- {
- }
-
- // disconnect from media metadata retriever service
- void disconnect()
- {
- Parcel data, reply;
- data.writeInterfaceToken(IMediaMetadataRetriever::getInterfaceDescriptor());
- remote()->transact(DISCONNECT, data, &reply);
- }
-
- status_t setDataSource(const char* srcUrl)
- {
- Parcel data, reply;
- data.writeInterfaceToken(IMediaMetadataRetriever::getInterfaceDescriptor());
- data.writeCString(srcUrl);
- remote()->transact(SET_DATA_SOURCE_URL, data, &reply);
- return reply.readInt32();
- }
-
- status_t setDataSource(int fd, int64_t offset, int64_t length)
- {
- Parcel data, reply;
- data.writeInterfaceToken(IMediaMetadataRetriever::getInterfaceDescriptor());
- data.writeFileDescriptor(fd);
- data.writeInt64(offset);
- data.writeInt64(length);
- remote()->transact(SET_DATA_SOURCE_FD, data, &reply);
- return reply.readInt32();
- }
-
- status_t setMode(int mode)
- {
- Parcel data, reply;
- data.writeInterfaceToken(IMediaMetadataRetriever::getInterfaceDescriptor());
- data.writeInt32(mode);
- remote()->transact(SET_MODE, data, &reply);
- return reply.readInt32();
- }
-
- status_t getMode(int* mode) const
- {
- Parcel data, reply;
- data.writeInterfaceToken(IMediaMetadataRetriever::getInterfaceDescriptor());
- remote()->transact(GET_MODE, data, &reply);
- *mode = reply.readInt32();
- return reply.readInt32();
- }
-
- sp<IMemory> captureFrame()
- {
- Parcel data, reply;
- data.writeInterfaceToken(IMediaMetadataRetriever::getInterfaceDescriptor());
- remote()->transact(CAPTURE_FRAME, data, &reply);
- status_t ret = reply.readInt32();
- if (ret != NO_ERROR) {
- return NULL;
- }
- return interface_cast<IMemory>(reply.readStrongBinder());
- }
-
- sp<IMemory> extractAlbumArt()
- {
- Parcel data, reply;
- data.writeInterfaceToken(IMediaMetadataRetriever::getInterfaceDescriptor());
- remote()->transact(EXTARCT_ALBUM_ART, data, &reply);
- status_t ret = reply.readInt32();
- if (ret != NO_ERROR) {
- return NULL;
- }
- return interface_cast<IMemory>(reply.readStrongBinder());
- }
-
- const char* extractMetadata(int keyCode)
- {
- Parcel data, reply;
- data.writeInterfaceToken(IMediaMetadataRetriever::getInterfaceDescriptor());
- data.writeInt32(keyCode);
- remote()->transact(EXTRACT_METADATA, data, &reply);
- status_t ret = reply.readInt32();
- if (ret != NO_ERROR) {
- return NULL;
- }
- return reply.readCString();
- }
-};
-
-IMPLEMENT_META_INTERFACE(MediaMetadataRetriever, "android.hardware.IMediaMetadataRetriever");
-
-// ----------------------------------------------------------------------
-
-#define CHECK_INTERFACE(interface, data, reply) \
- do { if (!data.enforceInterface(interface::getInterfaceDescriptor())) { \
- LOGW("Call incorrectly routed to " #interface); \
- return PERMISSION_DENIED; \
- } } while (0)
-
-status_t BnMediaMetadataRetriever::onTransact(
- uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
-{
- switch (code) {
- case DISCONNECT: {
- CHECK_INTERFACE(IMediaMetadataRetriever, data, reply);
- disconnect();
- return NO_ERROR;
- } break;
- case SET_DATA_SOURCE_URL: {
- CHECK_INTERFACE(IMediaMetadataRetriever, data, reply);
- const char* srcUrl = data.readCString();
- reply->writeInt32(setDataSource(srcUrl));
- return NO_ERROR;
- } break;
- case SET_DATA_SOURCE_FD: {
- CHECK_INTERFACE(IMediaMetadataRetriever, data, reply);
- int fd = dup(data.readFileDescriptor());
- int64_t offset = data.readInt64();
- int64_t length = data.readInt64();
- reply->writeInt32(setDataSource(fd, offset, length));
- return NO_ERROR;
- } break;
- case SET_MODE: {
- CHECK_INTERFACE(IMediaMetadataRetriever, data, reply);
- int mode = data.readInt32();
- reply->writeInt32(setMode(mode));
- return NO_ERROR;
- } break;
- case GET_MODE: {
- CHECK_INTERFACE(IMediaMetadataRetriever, data, reply);
- int mode;
- status_t status = getMode(&mode);
- reply->writeInt32(mode);
- reply->writeInt32(status);
- return NO_ERROR;
- } break;
- case CAPTURE_FRAME: {
- CHECK_INTERFACE(IMediaMetadataRetriever, data, reply);
- sp<IMemory> bitmap = captureFrame();
- if (bitmap != 0) { // Don't send NULL across the binder interface
- reply->writeInt32(NO_ERROR);
- reply->writeStrongBinder(bitmap->asBinder());
- } else {
- reply->writeInt32(UNKNOWN_ERROR);
- }
- return NO_ERROR;
- } break;
- case EXTARCT_ALBUM_ART: {
- CHECK_INTERFACE(IMediaMetadataRetriever, data, reply);
- sp<IMemory> albumArt = extractAlbumArt();
- if (albumArt != 0) { // Don't send NULL across the binder interface
- reply->writeInt32(NO_ERROR);
- reply->writeStrongBinder(albumArt->asBinder());
- } else {
- reply->writeInt32(UNKNOWN_ERROR);
- }
- return NO_ERROR;
- } break;
- case EXTRACT_METADATA: {
- CHECK_INTERFACE(IMediaMetadataRetriever, data, reply);
- int keyCode = data.readInt32();
- const char* value = extractMetadata(keyCode);
- if (value != NULL) { // Don't send NULL across the binder interface
- reply->writeInt32(NO_ERROR);
- reply->writeCString(value);
- } else {
- reply->writeInt32(UNKNOWN_ERROR);
- }
- return NO_ERROR;
- } break;
- default:
- return BBinder::onTransact(code, data, reply, flags);
- }
-}
-
-// ----------------------------------------------------------------------------
-
-}; // namespace android
-