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/*
* Copyright (C) 2009 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 "StagefrightMediaScanner"
#include <utils/Log.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <media/stagefright/StagefrightMediaScanner.h>
#include <media/IMediaHTTPService.h>
#include <media/mediametadataretriever.h>
#include <private/media/VideoFrame.h>
// Sonivox includes
#include <libsonivox/eas.h>
namespace android {
StagefrightMediaScanner::StagefrightMediaScanner() {}
StagefrightMediaScanner::~StagefrightMediaScanner() {}
static bool FileHasAcceptableExtension(const char *extension) {
static const char *kValidExtensions[] = {
".mp3", ".mp4", ".m4a", ".3gp", ".3gpp", ".3g2", ".3gpp2",
".mpeg", ".ogg", ".mid", ".smf", ".imy", ".wma", ".aac",
".wav", ".amr", ".midi", ".xmf", ".rtttl", ".rtx", ".ota",
".mkv", ".mka", ".webm", ".ts", ".fl", ".flac", ".mxmf",
".avi", ".mpeg", ".mpg", ".awb", ".mpga"
};
static const size_t kNumValidExtensions =
sizeof(kValidExtensions) / sizeof(kValidExtensions[0]);
for (size_t i = 0; i < kNumValidExtensions; ++i) {
if (!strcasecmp(extension, kValidExtensions[i])) {
return true;
}
}
return false;
}
static MediaScanResult HandleMIDI(
const char *filename, MediaScannerClient *client) {
// get the library configuration and do sanity check
const S_EAS_LIB_CONFIG* pLibConfig = EAS_Config();
if ((pLibConfig == NULL) || (LIB_VERSION != pLibConfig->libVersion)) {
ALOGE("EAS library/header mismatch\n");
return MEDIA_SCAN_RESULT_ERROR;
}
EAS_I32 temp;
// spin up a new EAS engine
EAS_DATA_HANDLE easData = NULL;
EAS_HANDLE easHandle = NULL;
EAS_RESULT result = EAS_Init(&easData);
if (result == EAS_SUCCESS) {
EAS_FILE file;
file.path = filename;
file.fd = 0;
file.offset = 0;
file.length = 0;
result = EAS_OpenFile(easData, &file, &easHandle);
}
if (result == EAS_SUCCESS) {
result = EAS_Prepare(easData, easHandle);
}
if (result == EAS_SUCCESS) {
result = EAS_ParseMetaData(easData, easHandle, &temp);
}
if (easHandle) {
EAS_CloseFile(easData, easHandle);
}
if (easData) {
EAS_Shutdown(easData);
}
if (result != EAS_SUCCESS) {
return MEDIA_SCAN_RESULT_SKIPPED;
}
char buffer[20];
sprintf(buffer, "%ld", temp);
status_t status = client->addStringTag("duration", buffer);
if (status != OK) {
return MEDIA_SCAN_RESULT_ERROR;
}
return MEDIA_SCAN_RESULT_OK;
}
MediaScanResult StagefrightMediaScanner::processFile(
const char *path, const char *mimeType,
MediaScannerClient &client) {
ALOGV("processFile '%s'.", path);
client.setLocale(locale());
client.beginFile();
MediaScanResult result = processFileInternal(path, mimeType, client);
client.endFile();
return result;
}
MediaScanResult StagefrightMediaScanner::processFileInternal(
const char *path, const char * /* mimeType */,
MediaScannerClient &client) {
const char *extension = strrchr(path, '.');
if (!extension) {
return MEDIA_SCAN_RESULT_SKIPPED;
}
if (!FileHasAcceptableExtension(extension)) {
return MEDIA_SCAN_RESULT_SKIPPED;
}
if (!strcasecmp(extension, ".mid")
|| !strcasecmp(extension, ".smf")
|| !strcasecmp(extension, ".imy")
|| !strcasecmp(extension, ".midi")
|| !strcasecmp(extension, ".xmf")
|| !strcasecmp(extension, ".rtttl")
|| !strcasecmp(extension, ".rtx")
|| !strcasecmp(extension, ".ota")
|| !strcasecmp(extension, ".mxmf")) {
return HandleMIDI(path, &client);
}
sp<MediaMetadataRetriever> mRetriever(new MediaMetadataRetriever);
int fd = open(path, O_RDONLY | O_LARGEFILE);
status_t status;
if (fd < 0) {
// couldn't open it locally, maybe the media server can?
status = mRetriever->setDataSource(NULL /* httpService */, path);
} else {
status = mRetriever->setDataSource(fd, 0, 0x7ffffffffffffffL);
close(fd);
}
if (status) {
return MEDIA_SCAN_RESULT_ERROR;
}
const char *value;
if ((value = mRetriever->extractMetadata(
METADATA_KEY_MIMETYPE)) != NULL) {
status = client.setMimeType(value);
if (status) {
return MEDIA_SCAN_RESULT_ERROR;
}
}
struct KeyMap {
const char *tag;
int key;
};
static const KeyMap kKeyMap[] = {
{ "tracknumber", METADATA_KEY_CD_TRACK_NUMBER },
{ "discnumber", METADATA_KEY_DISC_NUMBER },
{ "album", METADATA_KEY_ALBUM },
{ "artist", METADATA_KEY_ARTIST },
{ "albumartist", METADATA_KEY_ALBUMARTIST },
{ "composer", METADATA_KEY_COMPOSER },
{ "genre", METADATA_KEY_GENRE },
{ "title", METADATA_KEY_TITLE },
{ "year", METADATA_KEY_YEAR },
{ "duration", METADATA_KEY_DURATION },
{ "writer", METADATA_KEY_WRITER },
{ "compilation", METADATA_KEY_COMPILATION },
{ "isdrm", METADATA_KEY_IS_DRM },
{ "width", METADATA_KEY_VIDEO_WIDTH },
{ "height", METADATA_KEY_VIDEO_HEIGHT },
};
static const size_t kNumEntries = sizeof(kKeyMap) / sizeof(kKeyMap[0]);
for (size_t i = 0; i < kNumEntries; ++i) {
const char *value;
if ((value = mRetriever->extractMetadata(kKeyMap[i].key)) != NULL) {
status = client.addStringTag(kKeyMap[i].tag, value);
if (status != OK) {
return MEDIA_SCAN_RESULT_ERROR;
}
}
}
return MEDIA_SCAN_RESULT_OK;
}
char *StagefrightMediaScanner::extractAlbumArt(int fd) {
ALOGV("extractAlbumArt %d", fd);
off64_t size = lseek64(fd, 0, SEEK_END);
if (size < 0) {
return NULL;
}
lseek64(fd, 0, SEEK_SET);
sp<MediaMetadataRetriever> mRetriever(new MediaMetadataRetriever);
if (mRetriever->setDataSource(fd, 0, size) == OK) {
sp<IMemory> mem = mRetriever->extractAlbumArt();
if (mem != NULL) {
MediaAlbumArt *art = static_cast<MediaAlbumArt *>(mem->pointer());
char *data = (char *)malloc(art->mSize + 4);
*(int32_t *)data = art->mSize;
memcpy(&data[4], &art[1], art->mSize);
return data;
}
}
return NULL;
}
} // namespace android
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