Add support for common encryption

b/7465749

Change-Id: I5403b74a5ae428ad28b382863a09daafc400b137

1 files changed, 28 insertions, 0 deletions

diff --git a/media/libstagefright/NuMediaExtractor.cpp b/media/libstagefright/NuMediaExtractor.cpp
index 404fa94..7bc7da2 100644
--- a/media/libstagefright/NuMediaExtractor.cpp
+++ b/media/libstagefright/NuMediaExtractor.cpp
@@ -228,6 +228,34 @@ status_t NuMediaExtractor::getTrackFormat(
     return convertMetaDataToMessage(meta, format);
 }
 
+status_t NuMediaExtractor::getFileFormat(sp<AMessage> *format) const {
+    Mutex::Autolock autoLock(mLock);
+
+    *format = NULL;
+
+    if (mImpl == NULL) {
+        return -EINVAL;
+    }
+
+    sp<MetaData> meta = mImpl->getMetaData();
+
+    const char *mime;
+    CHECK(meta->findCString(kKeyMIMEType, &mime));
+    *format = new AMessage();
+    (*format)->setString("mime", mime);
+
+    uint32_t type;
+    const void *pssh;
+    size_t psshsize;
+    if (meta->findData(kKeyPssh, &type, &pssh, &psshsize)) {
+        sp<ABuffer> buf = new ABuffer(psshsize);
+        memcpy(buf->data(), pssh, psshsize);
+        (*format)->setBuffer("pssh", buf);
+    }
+
+    return OK;
+}
+
 status_t NuMediaExtractor::selectTrack(size_t index) {
     Mutex::Autolock autoLock(mLock);