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author | Anatol Pomozov <anatol.pomozov@gmail.com> | 2012-03-28 09:12:55 -0700 |
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committer | Anatol Pomozov <anatol.pomozov@gmail.com> | 2012-03-28 12:02:47 -0700 |
commit | b0b2b4d890cf3bfb274797a759642b4e733343d7 (patch) | |
tree | 12ad21cbad346f02d542aa4d672ffd76407d58a9 /media/libmediaplayerservice/MetadataRetrieverClient.cpp | |
parent | 51f8eec23a2bcc2cc190373cdd1195972d9b8804 (diff) | |
parent | 5a5491c17d74bd2c80cf451c6ddbba22d5d5f08a (diff) | |
download | frameworks_av-b0b2b4d890cf3bfb274797a759642b4e733343d7.zip frameworks_av-b0b2b4d890cf3bfb274797a759642b4e733343d7.tar.gz frameworks_av-b0b2b4d890cf3bfb274797a759642b4e733343d7.tar.bz2 |
Merge media files with history from frameworks/base.git
Diffstat (limited to 'media/libmediaplayerservice/MetadataRetrieverClient.cpp')
-rw-r--r-- | media/libmediaplayerservice/MetadataRetrieverClient.cpp | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/media/libmediaplayerservice/MetadataRetrieverClient.cpp b/media/libmediaplayerservice/MetadataRetrieverClient.cpp new file mode 100644 index 0000000..776d288 --- /dev/null +++ b/media/libmediaplayerservice/MetadataRetrieverClient.cpp @@ -0,0 +1,254 @@ +/* +** +** 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. +*/ + +//#define LOG_NDEBUG 0 +#define LOG_TAG "MetadataRetrieverClient" +#include <utils/Log.h> + +#include <sys/types.h> +#include <sys/stat.h> +#include <dirent.h> +#include <unistd.h> + +#include <string.h> +#include <cutils/atomic.h> +#include <cutils/properties.h> +#include <binder/MemoryBase.h> +#include <binder/MemoryHeapBase.h> +#include <android_runtime/ActivityManager.h> +#include <binder/IPCThreadState.h> +#include <binder/IServiceManager.h> +#include <media/MediaMetadataRetrieverInterface.h> +#include <media/MediaPlayerInterface.h> +#include <private/media/VideoFrame.h> +#include "MidiMetadataRetriever.h" +#include "MetadataRetrieverClient.h" +#include "StagefrightMetadataRetriever.h" + +namespace android { + +extern player_type getPlayerType(const char* url); +extern player_type getPlayerType(int fd, int64_t offset, int64_t length); + +MetadataRetrieverClient::MetadataRetrieverClient(pid_t pid) +{ + ALOGV("MetadataRetrieverClient constructor pid(%d)", pid); + mPid = pid; + mThumbnail = NULL; + mAlbumArt = NULL; + mRetriever = NULL; +} + +MetadataRetrieverClient::~MetadataRetrieverClient() +{ + ALOGV("MetadataRetrieverClient destructor"); + disconnect(); +} + +status_t MetadataRetrieverClient::dump(int fd, const Vector<String16>& args) const +{ + const size_t SIZE = 256; + char buffer[SIZE]; + String8 result; + result.append(" MetadataRetrieverClient\n"); + snprintf(buffer, 255, " pid(%d)\n", mPid); + result.append(buffer); + write(fd, result.string(), result.size()); + write(fd, "\n", 1); + return NO_ERROR; +} + +void MetadataRetrieverClient::disconnect() +{ + ALOGV("disconnect from pid %d", mPid); + Mutex::Autolock lock(mLock); + mRetriever.clear(); + mThumbnail.clear(); + mAlbumArt.clear(); + IPCThreadState::self()->flushCommands(); +} + +static sp<MediaMetadataRetrieverBase> createRetriever(player_type playerType) +{ + sp<MediaMetadataRetrieverBase> p; + switch (playerType) { + case STAGEFRIGHT_PLAYER: + case NU_PLAYER: + { + p = new StagefrightMetadataRetriever; + break; + } + case SONIVOX_PLAYER: + ALOGV("create midi metadata retriever"); + p = new MidiMetadataRetriever(); + break; + default: + // TODO: + // support for TEST_PLAYER + ALOGE("player type %d is not supported", playerType); + break; + } + if (p == NULL) { + ALOGE("failed to create a retriever object"); + } + return p; +} + +status_t MetadataRetrieverClient::setDataSource( + const char *url, const KeyedVector<String8, String8> *headers) +{ + ALOGV("setDataSource(%s)", url); + Mutex::Autolock lock(mLock); + if (url == NULL) { + return UNKNOWN_ERROR; + } + player_type playerType = getPlayerType(url); + ALOGV("player type = %d", playerType); + sp<MediaMetadataRetrieverBase> p = createRetriever(playerType); + if (p == NULL) return NO_INIT; + status_t ret = p->setDataSource(url, headers); + if (ret == NO_ERROR) mRetriever = p; + return ret; +} + +status_t MetadataRetrieverClient::setDataSource(int fd, int64_t offset, int64_t length) +{ + ALOGV("setDataSource fd=%d, offset=%lld, length=%lld", fd, offset, length); + Mutex::Autolock lock(mLock); + struct stat sb; + int ret = fstat(fd, &sb); + if (ret != 0) { + ALOGE("fstat(%d) failed: %d, %s", fd, ret, strerror(errno)); + return BAD_VALUE; + } + ALOGV("st_dev = %llu", sb.st_dev); + ALOGV("st_mode = %u", sb.st_mode); + ALOGV("st_uid = %lu", sb.st_uid); + ALOGV("st_gid = %lu", sb.st_gid); + ALOGV("st_size = %llu", sb.st_size); + + if (offset >= sb.st_size) { + ALOGE("offset (%lld) bigger than file size (%llu)", offset, sb.st_size); + ::close(fd); + return BAD_VALUE; + } + if (offset + length > sb.st_size) { + length = sb.st_size - offset; + ALOGV("calculated length = %lld", length); + } + + player_type playerType = getPlayerType(fd, offset, length); + ALOGV("player type = %d", playerType); + sp<MediaMetadataRetrieverBase> p = createRetriever(playerType); + if (p == NULL) { + ::close(fd); + return NO_INIT; + } + status_t status = p->setDataSource(fd, offset, length); + if (status == NO_ERROR) mRetriever = p; + ::close(fd); + return status; +} + +sp<IMemory> MetadataRetrieverClient::getFrameAtTime(int64_t timeUs, int option) +{ + ALOGV("getFrameAtTime: time(%lld us) option(%d)", timeUs, option); + Mutex::Autolock lock(mLock); + mThumbnail.clear(); + if (mRetriever == NULL) { + ALOGE("retriever is not initialized"); + return NULL; + } + VideoFrame *frame = mRetriever->getFrameAtTime(timeUs, option); + if (frame == NULL) { + ALOGE("failed to capture a video frame"); + return NULL; + } + size_t size = sizeof(VideoFrame) + frame->mSize; + sp<MemoryHeapBase> heap = new MemoryHeapBase(size, 0, "MetadataRetrieverClient"); + if (heap == NULL) { + ALOGE("failed to create MemoryDealer"); + delete frame; + return NULL; + } + mThumbnail = new MemoryBase(heap, 0, size); + if (mThumbnail == NULL) { + ALOGE("not enough memory for VideoFrame size=%u", size); + delete frame; + return NULL; + } + VideoFrame *frameCopy = static_cast<VideoFrame *>(mThumbnail->pointer()); + frameCopy->mWidth = frame->mWidth; + frameCopy->mHeight = frame->mHeight; + frameCopy->mDisplayWidth = frame->mDisplayWidth; + frameCopy->mDisplayHeight = frame->mDisplayHeight; + frameCopy->mSize = frame->mSize; + frameCopy->mRotationAngle = frame->mRotationAngle; + ALOGV("rotation: %d", frameCopy->mRotationAngle); + frameCopy->mData = (uint8_t *)frameCopy + sizeof(VideoFrame); + memcpy(frameCopy->mData, frame->mData, frame->mSize); + delete frame; // Fix memory leakage + return mThumbnail; +} + +sp<IMemory> MetadataRetrieverClient::extractAlbumArt() +{ + ALOGV("extractAlbumArt"); + Mutex::Autolock lock(mLock); + mAlbumArt.clear(); + if (mRetriever == NULL) { + ALOGE("retriever is not initialized"); + return NULL; + } + MediaAlbumArt *albumArt = mRetriever->extractAlbumArt(); + if (albumArt == NULL) { + ALOGE("failed to extract an album art"); + return NULL; + } + size_t size = sizeof(MediaAlbumArt) + albumArt->mSize; + sp<MemoryHeapBase> heap = new MemoryHeapBase(size, 0, "MetadataRetrieverClient"); + if (heap == NULL) { + ALOGE("failed to create MemoryDealer object"); + delete albumArt; + return NULL; + } + mAlbumArt = new MemoryBase(heap, 0, size); + if (mAlbumArt == NULL) { + ALOGE("not enough memory for MediaAlbumArt size=%u", size); + delete albumArt; + return NULL; + } + MediaAlbumArt *albumArtCopy = static_cast<MediaAlbumArt *>(mAlbumArt->pointer()); + albumArtCopy->mSize = albumArt->mSize; + albumArtCopy->mData = (uint8_t *)albumArtCopy + sizeof(MediaAlbumArt); + memcpy(albumArtCopy->mData, albumArt->mData, albumArt->mSize); + delete albumArt; // Fix memory leakage + return mAlbumArt; +} + +const char* MetadataRetrieverClient::extractMetadata(int keyCode) +{ + ALOGV("extractMetadata"); + Mutex::Autolock lock(mLock); + if (mRetriever == NULL) { + ALOGE("retriever is not initialized"); + return NULL; + } + return mRetriever->extractMetadata(keyCode); +} + +}; // namespace android |