Reuse frame decoder for sequential frame retrievel
Allow sequential frame retrieval to reuse the decoder without
re-init and re-seek.
Get rid of IMediaMetadataRetriever api that retrieves multiple
frames at a time, this method could hold up more memory than
what's needed, because the client side has to copy the frames
to a separate set of bitmaps anyways.
This change is needed to support animation Drawbles efficiently
which typically get one frame at a time.
bug: 120414514
test: cts MediaMetadataRetrieverTest, local tests that tests MetadataRetriever thumbnails
Change-Id: I09924408b51bc7491fc5dee121dce9a286c5911f
diff --git a/media/libmedia/IMediaMetadataRetriever.cpp b/media/libmedia/IMediaMetadataRetriever.cpp
index 028bea1..d95bc8e 100644
--- a/media/libmedia/IMediaMetadataRetriever.cpp
+++ b/media/libmedia/IMediaMetadataRetriever.cpp
@@ -213,15 +213,14 @@
return interface_cast<IMemory>(reply.readStrongBinder());
}
- status_t getFrameAtIndex(std::vector<sp<IMemory> > *frames,
- int frameIndex, int numFrames, int colorFormat, bool metaOnly)
+ sp<IMemory> getFrameAtIndex(
+ int index, int colorFormat, bool metaOnly)
{
- ALOGV("getFrameAtIndex: frameIndex(%d), numFrames(%d), colorFormat(%d) metaOnly(%d)",
- frameIndex, numFrames, colorFormat, metaOnly);
+ ALOGV("getFrameAtIndex: index(%d), colorFormat(%d) metaOnly(%d)",
+ index, colorFormat, metaOnly);
Parcel data, reply;
data.writeInterfaceToken(IMediaMetadataRetriever::getInterfaceDescriptor());
- data.writeInt32(frameIndex);
- data.writeInt32(numFrames);
+ data.writeInt32(index);
data.writeInt32(colorFormat);
data.writeInt32(metaOnly);
#ifndef DISABLE_GROUP_SCHEDULE_HACK
@@ -230,16 +229,9 @@
remote()->transact(GET_FRAME_AT_INDEX, data, &reply);
status_t ret = reply.readInt32();
if (ret != NO_ERROR) {
- return ret;
+ return NULL;
}
- int retNumFrames = reply.readInt32();
- if (retNumFrames < numFrames) {
- numFrames = retNumFrames;
- }
- for (int i = 0; i < numFrames; i++) {
- frames->push_back(interface_cast<IMemory>(reply.readStrongBinder()));
- }
- return OK;
+ return interface_cast<IMemory>(reply.readStrongBinder());
}
sp<IMemory> extractAlbumArt()
@@ -442,24 +434,20 @@
case GET_FRAME_AT_INDEX: {
CHECK_INTERFACE(IMediaMetadataRetriever, data, reply);
- int frameIndex = data.readInt32();
- int numFrames = data.readInt32();
+ int index = data.readInt32();
int colorFormat = data.readInt32();
bool metaOnly = (data.readInt32() != 0);
- ALOGV("getFrameAtIndex: frameIndex(%d), numFrames(%d), colorFormat(%d), metaOnly(%d)",
- frameIndex, numFrames, colorFormat, metaOnly);
+ ALOGV("getFrameAtIndex: index(%d), colorFormat(%d), metaOnly(%d)",
+ index, colorFormat, metaOnly);
#ifndef DISABLE_GROUP_SCHEDULE_HACK
setSchedPolicy(data);
#endif
- std::vector<sp<IMemory> > frames;
- status_t err = getFrameAtIndex(
- &frames, frameIndex, numFrames, colorFormat, metaOnly);
- reply->writeInt32(err);
- if (OK == err) {
- reply->writeInt32(frames.size());
- for (size_t i = 0; i < frames.size(); i++) {
- reply->writeStrongBinder(IInterface::asBinder(frames[i]));
- }
+ sp<IMemory> frame = getFrameAtIndex(index, colorFormat, metaOnly);
+ if (frame != nullptr) { // Don't send NULL across the binder interface
+ reply->writeInt32(NO_ERROR);
+ reply->writeStrongBinder(IInterface::asBinder(frame));
+ } else {
+ reply->writeInt32(UNKNOWN_ERROR);
}
#ifndef DISABLE_GROUP_SCHEDULE_HACK
restoreSchedPolicy();
diff --git a/media/libmedia/include/media/IMediaMetadataRetriever.h b/media/libmedia/include/media/IMediaMetadataRetriever.h
index c6f422d..28d2192 100644
--- a/media/libmedia/include/media/IMediaMetadataRetriever.h
+++ b/media/libmedia/include/media/IMediaMetadataRetriever.h
@@ -48,9 +48,8 @@
int index, int colorFormat, bool metaOnly, bool thumbnail) = 0;
virtual sp<IMemory> getImageRectAtIndex(
int index, int colorFormat, int left, int top, int right, int bottom) = 0;
- virtual status_t getFrameAtIndex(
- std::vector<sp<IMemory> > *frames,
- int frameIndex, int numFrames, int colorFormat, bool metaOnly) = 0;
+ virtual sp<IMemory> getFrameAtIndex(
+ int index, int colorFormat, bool metaOnly) = 0;
virtual sp<IMemory> extractAlbumArt() = 0;
virtual const char* extractMetadata(int keyCode) = 0;
};
diff --git a/media/libmedia/include/media/MediaMetadataRetrieverInterface.h b/media/libmedia/include/media/MediaMetadataRetrieverInterface.h
index 98d300f..37dc401 100644
--- a/media/libmedia/include/media/MediaMetadataRetrieverInterface.h
+++ b/media/libmedia/include/media/MediaMetadataRetrieverInterface.h
@@ -49,9 +49,8 @@
int index, int colorFormat, bool metaOnly, bool thumbnail) = 0;
virtual sp<IMemory> getImageRectAtIndex(
int index, int colorFormat, int left, int top, int right, int bottom) = 0;
- virtual status_t getFrameAtIndex(
- std::vector<sp<IMemory> >* frames,
- int frameIndex, int numFrames, int colorFormat, bool metaOnly) = 0;
+ virtual sp<IMemory> getFrameAtIndex(
+ int frameIndex, int colorFormat, bool metaOnly) = 0;
virtual MediaAlbumArt* extractAlbumArt() = 0;
virtual const char* extractMetadata(int keyCode) = 0;
};
diff --git a/media/libmedia/include/media/mediametadataretriever.h b/media/libmedia/include/media/mediametadataretriever.h
index d29e97d..138a014 100644
--- a/media/libmedia/include/media/mediametadataretriever.h
+++ b/media/libmedia/include/media/mediametadataretriever.h
@@ -98,9 +98,8 @@
int colorFormat = HAL_PIXEL_FORMAT_RGB_565, bool metaOnly = false, bool thumbnail = false);
sp<IMemory> getImageRectAtIndex(
int index, int colorFormat, int left, int top, int right, int bottom);
- status_t getFrameAtIndex(
- std::vector<sp<IMemory> > *frames, int frameIndex, int numFrames = 1,
- int colorFormat = HAL_PIXEL_FORMAT_RGB_565, bool metaOnly = false);
+ sp<IMemory> getFrameAtIndex(
+ int index, int colorFormat = HAL_PIXEL_FORMAT_RGB_565, bool metaOnly = false);
sp<IMemory> extractAlbumArt();
const char* extractMetadata(int keyCode);
diff --git a/media/libmedia/mediametadataretriever.cpp b/media/libmedia/mediametadataretriever.cpp
index e61b04d..2ae76b3 100644
--- a/media/libmedia/mediametadataretriever.cpp
+++ b/media/libmedia/mediametadataretriever.cpp
@@ -179,18 +179,16 @@
index, colorFormat, left, top, right, bottom);
}
-status_t MediaMetadataRetriever::getFrameAtIndex(
- std::vector<sp<IMemory> > *frames,
- int frameIndex, int numFrames, int colorFormat, bool metaOnly) {
- ALOGV("getFrameAtIndex: frameIndex(%d), numFrames(%d), colorFormat(%d) metaOnly(%d)",
- frameIndex, numFrames, colorFormat, metaOnly);
+sp<IMemory> MediaMetadataRetriever::getFrameAtIndex(
+ int index, int colorFormat, bool metaOnly) {
+ ALOGV("getFrameAtIndex: index(%d), colorFormat(%d) metaOnly(%d)",
+ index, colorFormat, metaOnly);
Mutex::Autolock _l(mLock);
if (mRetriever == 0) {
ALOGE("retriever is not initialized");
- return INVALID_OPERATION;
+ return NULL;
}
- return mRetriever->getFrameAtIndex(
- frames, frameIndex, numFrames, colorFormat, metaOnly);
+ return mRetriever->getFrameAtIndex(index, colorFormat, metaOnly);
}
const char* MediaMetadataRetriever::extractMetadata(int keyCode)