Merge "Add support for retrieving location information in mp4/3gpp files" into ics-mr1
diff --git a/include/media/mediametadataretriever.h b/include/media/mediametadataretriever.h
index 9aa6700..534afce 100644
--- a/include/media/mediametadataretriever.h
+++ b/include/media/mediametadataretriever.h
@@ -54,6 +54,7 @@
METADATA_KEY_BITRATE = 20,
METADATA_KEY_TIMED_TEXT_LANGUAGES = 21,
METADATA_KEY_IS_DRM = 22,
+ METADATA_KEY_LOCATION = 23,
// Add more here...
};
diff --git a/include/media/stagefright/MetaData.h b/include/media/stagefright/MetaData.h
index 57f678c..4cdee17 100644
--- a/include/media/stagefright/MetaData.h
+++ b/include/media/stagefright/MetaData.h
@@ -85,6 +85,7 @@
kKeyDate = 'date', // cstring
kKeyWriter = 'writ', // cstring
kKeyCompilation = 'cpil', // cstring
+ kKeyLocation = 'loc ', // cstring
kKeyTimeScale = 'tmsl', // int32_t
// video profile and level
diff --git a/media/java/android/media/MediaMetadataRetriever.java b/media/java/android/media/MediaMetadataRetriever.java
index 10694c3..b17f297 100644
--- a/media/java/android/media/MediaMetadataRetriever.java
+++ b/media/java/android/media/MediaMetadataRetriever.java
@@ -458,5 +458,13 @@
* @hide
*/
public static final int METADATA_KEY_IS_DRM = 22;
+ /**
+ * This key retrieves the location information, if available.
+ * The location should be specified according to ISO-6709 standard, under
+ * a mp4/3gp box "@xyz". Location with longitude of -90 degrees and latitude
+ * of 180 degrees will be retrieved as "-90.0000+180.0000", for instance.
+ * @hide
+ */
+ public static final int METADATA_KEY_LOCATION = 23;
// Add more here...
}
diff --git a/media/libstagefright/MPEG4Extractor.cpp b/media/libstagefright/MPEG4Extractor.cpp
index 1e24599..1ebf0a8 100644
--- a/media/libstagefright/MPEG4Extractor.cpp
+++ b/media/libstagefright/MPEG4Extractor.cpp
@@ -1136,6 +1136,41 @@
break;
}
+ // @xyz
+ case FOURCC('\xA9', 'x', 'y', 'z'):
+ {
+ // Best case the total data length inside "@xyz" box
+ // would be 8, for instance "@xyz" + "\x00\x04\x15\xc7" + "0+0/",
+ // where "\x00\x04" is the text string length with value = 4,
+ // "\0x15\xc7" is the language code = en, and "0+0" is a
+ // location (string) value with longitude = 0 and latitude = 0.
+ if (chunk_data_size < 8) {
+ return ERROR_MALFORMED;
+ }
+
+ // Worst case the location string length would be 18,
+ // for instance +90.0000-180.0000, without the trailing "/" and
+ // the string length + language code.
+ char buffer[18];
+
+ // Substracting 5 from the data size is because the text string length +
+ // language code takes 4 bytes, and the trailing slash "/" takes 1 byte.
+ off64_t location_length = chunk_data_size - 5;
+ if (location_length >= (off64_t) sizeof(buffer)) {
+ return ERROR_MALFORMED;
+ }
+
+ if (mDataSource->readAt(
+ data_offset + 4, buffer, location_length) < location_length) {
+ return ERROR_IO;
+ }
+
+ buffer[location_length] = '\0';
+ mFileMetaData->setCString(kKeyLocation, buffer);
+ *offset += chunk_size;
+ break;
+ }
+
case FOURCC('e', 's', 'd', 's'):
{
if (chunk_data_size < 4) {
diff --git a/media/libstagefright/StagefrightMetadataRetriever.cpp b/media/libstagefright/StagefrightMetadataRetriever.cpp
index c74cb5a..4491c97 100644
--- a/media/libstagefright/StagefrightMetadataRetriever.cpp
+++ b/media/libstagefright/StagefrightMetadataRetriever.cpp
@@ -418,6 +418,7 @@
{ kKeyYear, METADATA_KEY_YEAR },
{ kKeyWriter, METADATA_KEY_WRITER },
{ kKeyCompilation, METADATA_KEY_COMPILATION },
+ { kKeyLocation, METADATA_KEY_LOCATION },
};
static const size_t kNumMapEntries = sizeof(kMap) / sizeof(kMap[0]);