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-rw-r--r--cmds/stagefright/stagefright.cpp12
-rw-r--r--include/media/IMediaMetadataRetriever.h4
-rw-r--r--include/media/MediaMetadataRetrieverInterface.h31
-rw-r--r--include/media/mediametadataretriever.h37
-rw-r--r--media/libmedia/IMediaMetadataRetriever.cpp50
-rw-r--r--media/libmedia/mediametadataretriever.cpp28
-rw-r--r--media/libmediaplayerservice/MetadataRetrieverClient.cpp50
-rw-r--r--media/libmediaplayerservice/MetadataRetrieverClient.h5
-rw-r--r--media/libstagefright/StagefrightMediaScanner.cpp8
-rw-r--r--media/libstagefright/StagefrightMetadataRetriever.cpp48
-rw-r--r--media/libstagefright/include/StagefrightMetadataRetriever.h2
11 files changed, 63 insertions, 212 deletions
diff --git a/cmds/stagefright/stagefright.cpp b/cmds/stagefright/stagefright.cpp
index f55b746..ff92431 100644
--- a/cmds/stagefright/stagefright.cpp
+++ b/cmds/stagefright/stagefright.cpp
@@ -596,21 +596,19 @@ int main(int argc, char **argv) {
const char *filename = argv[k];
CHECK_EQ(retriever->setDataSource(filename), (status_t)OK);
- CHECK_EQ(retriever->setMode(
- METADATA_MODE_FRAME_CAPTURE_AND_METADATA_RETRIEVAL),
- (status_t)OK);
-
- sp<IMemory> mem = retriever->captureFrame();
+ sp<IMemory> mem =
+ retriever->getFrameAtTime(-1,
+ MediaSource::ReadOptions::SEEK_PREVIOUS_SYNC);
if (mem != NULL) {
- printf("captureFrame(%s) => OK\n", filename);
+ printf("getFrameAtTime(%s) => OK\n", filename);
} else {
mem = retriever->extractAlbumArt();
if (mem != NULL) {
printf("extractAlbumArt(%s) => OK\n", filename);
} else {
- printf("both captureFrame and extractAlbumArt "
+ printf("both getFrameAtTime and extractAlbumArt "
"failed on file '%s'.\n", filename);
}
}
diff --git a/include/media/IMediaMetadataRetriever.h b/include/media/IMediaMetadataRetriever.h
index 9baba8e..8e3cdbb 100644
--- a/include/media/IMediaMetadataRetriever.h
+++ b/include/media/IMediaMetadataRetriever.h
@@ -32,9 +32,7 @@ public:
virtual void disconnect() = 0;
virtual status_t setDataSource(const char* srcUrl) = 0;
virtual status_t setDataSource(int fd, int64_t offset, int64_t length) = 0;
- virtual status_t setMode(int mode) = 0;
- virtual status_t getMode(int* mode) const = 0;
- virtual sp<IMemory> captureFrame() = 0;
+ virtual sp<IMemory> getFrameAtTime(int64_t timeUs, int option) = 0;
virtual sp<IMemory> extractAlbumArt() = 0;
virtual const char* extractMetadata(int keyCode) = 0;
};
diff --git a/include/media/MediaMetadataRetrieverInterface.h b/include/media/MediaMetadataRetrieverInterface.h
index ff57774..0449122 100644
--- a/include/media/MediaMetadataRetrieverInterface.h
+++ b/include/media/MediaMetadataRetrieverInterface.h
@@ -32,9 +32,7 @@ public:
virtual ~MediaMetadataRetrieverBase() {}
virtual status_t setDataSource(const char *url) = 0;
virtual status_t setDataSource(int fd, int64_t offset, int64_t length) = 0;
- virtual status_t setMode(int mode) = 0;
- virtual status_t getMode(int* mode) const = 0;
- virtual VideoFrame* captureFrame() = 0;
+ virtual VideoFrame* getFrameAtTime(int64_t timeUs, int option) = 0;
virtual MediaAlbumArt* extractAlbumArt() = 0;
virtual const char* extractMetadata(int keyCode) = 0;
};
@@ -43,35 +41,12 @@ public:
class MediaMetadataRetrieverInterface : public MediaMetadataRetrieverBase
{
public:
- MediaMetadataRetrieverInterface()
- : mMode(0) {
- }
+ MediaMetadataRetrieverInterface() {}
virtual ~MediaMetadataRetrieverInterface() {}
-
- // @param mode The intended mode of operations:
- // can be any of the following:
- // METADATA_MODE_NOOP: Experimental - just add and remove data source.
- // METADATA_MODE_FRAME_CAPTURE_ONLY: For capture frame/thumbnail only.
- // METADATA_MODE_METADATA_RETRIEVAL_ONLY: For meta data retrieval only.
- // METADATA_MODE_FRAME_CAPTURE_AND_METADATA_RETRIEVAL: For both frame
- // capture and meta data retrieval.
- virtual status_t setMode(int mode) {
- if (mode < METADATA_MODE_NOOP ||
- mode > METADATA_MODE_FRAME_CAPTURE_AND_METADATA_RETRIEVAL) {
- return BAD_VALUE;
- }
-
- mMode = mode;
- return NO_ERROR;
- }
-
- virtual status_t getMode(int* mode) const { *mode = mMode; return NO_ERROR; }
- virtual VideoFrame* captureFrame() { return NULL; }
+ virtual VideoFrame* getFrameAtTime(int64_t timeUs, int option) { return NULL; }
virtual MediaAlbumArt* extractAlbumArt() { return NULL; }
virtual const char* extractMetadata(int keyCode) { return NULL; }
-
- uint32_t mMode;
};
}; // namespace android
diff --git a/include/media/mediametadataretriever.h b/include/media/mediametadataretriever.h
index ddc07f6..e905006 100644
--- a/include/media/mediametadataretriever.h
+++ b/include/media/mediametadataretriever.h
@@ -42,37 +42,14 @@ enum {
METADATA_KEY_YEAR = 8,
METADATA_KEY_DURATION = 9,
METADATA_KEY_NUM_TRACKS = 10,
- METADATA_KEY_IS_DRM_CRIPPLED = 11,
- METADATA_KEY_CODEC = 12,
- METADATA_KEY_RATING = 13,
- METADATA_KEY_COMMENT = 14,
- METADATA_KEY_COPYRIGHT = 15,
- METADATA_KEY_BIT_RATE = 16,
- METADATA_KEY_FRAME_RATE = 17,
- METADATA_KEY_VIDEO_FORMAT = 18,
- METADATA_KEY_VIDEO_HEIGHT = 19,
- METADATA_KEY_VIDEO_WIDTH = 20,
- METADATA_KEY_WRITER = 21,
- METADATA_KEY_MIMETYPE = 22,
- METADATA_KEY_DISC_NUMBER = 23,
- METADATA_KEY_ALBUMARTIST = 24,
- METADATA_KEY_COMPILATION = 25,
+ METADATA_KEY_WRITER = 11,
+ METADATA_KEY_MIMETYPE = 12,
+ METADATA_KEY_ALBUMARTIST = 13,
+ METADATA_KEY_DISC_NUMBER = 14,
+ METADATA_KEY_COMPILATION = 15,
// Add more here...
};
-// The intended mode of operations:$
-// METADATA_MODE_NOOP: Experimental - just add and remove data source.$
-// METADATA_MODE_FRAME_CAPTURE_ONLY: For capture frame/thumbnail only.$
-// METADATA_MODE_METADATA_RETRIEVAL_ONLY: For meta data retrieval only.$
-// METADATA_MODE_FRAME_CAPTURE_AND_METADATA_RETRIEVAL: For both frame capture
-// and meta data retrieval.$
-enum {
- METADATA_MODE_NOOP = 0x00,
- METADATA_MODE_METADATA_RETRIEVAL_ONLY = 0x01,
- METADATA_MODE_FRAME_CAPTURE_ONLY = 0x02,
- METADATA_MODE_FRAME_CAPTURE_AND_METADATA_RETRIEVAL = 0x03
-};
-
class MediaMetadataRetriever: public RefBase
{
public:
@@ -81,9 +58,7 @@ public:
void disconnect();
status_t setDataSource(const char* dataSourceUrl);
status_t setDataSource(int fd, int64_t offset, int64_t length);
- status_t setMode(int mode);
- status_t getMode(int* mode);
- sp<IMemory> captureFrame();
+ sp<IMemory> getFrameAtTime(int64_t timeUs, int option);
sp<IMemory> extractAlbumArt();
const char* extractMetadata(int keyCode);
diff --git a/media/libmedia/IMediaMetadataRetriever.cpp b/media/libmedia/IMediaMetadataRetriever.cpp
index e529d25..d5298c9 100644
--- a/media/libmedia/IMediaMetadataRetriever.cpp
+++ b/media/libmedia/IMediaMetadataRetriever.cpp
@@ -81,9 +81,7 @@ enum {
DISCONNECT = IBinder::FIRST_CALL_TRANSACTION,
SET_DATA_SOURCE_URL,
SET_DATA_SOURCE_FD,
- SET_MODE,
- GET_MODE,
- CAPTURE_FRAME,
+ GET_FRAME_AT_TIME,
EXTRACT_ALBUM_ART,
EXTRACT_METADATA,
};
@@ -124,32 +122,17 @@ public:
return reply.readInt32();
}
- status_t setMode(int mode)
- {
- Parcel data, reply;
- data.writeInterfaceToken(IMediaMetadataRetriever::getInterfaceDescriptor());
- data.writeInt32(mode);
- remote()->transact(SET_MODE, data, &reply);
- return reply.readInt32();
- }
-
- status_t getMode(int* mode) const
- {
- Parcel data, reply;
- data.writeInterfaceToken(IMediaMetadataRetriever::getInterfaceDescriptor());
- remote()->transact(GET_MODE, data, &reply);
- *mode = reply.readInt32();
- return reply.readInt32();
- }
-
- sp<IMemory> captureFrame()
+ sp<IMemory> getFrameAtTime(int64_t timeUs, int option)
{
+ LOGV("getTimeAtTime: time(%lld us) and option(%d)", timeUs, option);
Parcel data, reply;
data.writeInterfaceToken(IMediaMetadataRetriever::getInterfaceDescriptor());
+ data.writeInt64(timeUs);
+ data.writeInt32(option);
#ifndef DISABLE_GROUP_SCHEDULE_HACK
sendSchedPolicy(data);
#endif
- remote()->transact(CAPTURE_FRAME, data, &reply);
+ remote()->transact(GET_FRAME_AT_TIME, data, &reply);
status_t ret = reply.readInt32();
if (ret != NO_ERROR) {
return NULL;
@@ -216,26 +199,15 @@ status_t BnMediaMetadataRetriever::onTransact(
reply->writeInt32(setDataSource(fd, offset, length));
return NO_ERROR;
} break;
- case SET_MODE: {
- CHECK_INTERFACE(IMediaMetadataRetriever, data, reply);
- int mode = data.readInt32();
- reply->writeInt32(setMode(mode));
- return NO_ERROR;
- } break;
- case GET_MODE: {
- CHECK_INTERFACE(IMediaMetadataRetriever, data, reply);
- int mode;
- status_t status = getMode(&mode);
- reply->writeInt32(mode);
- reply->writeInt32(status);
- return NO_ERROR;
- } break;
- case CAPTURE_FRAME: {
+ case GET_FRAME_AT_TIME: {
CHECK_INTERFACE(IMediaMetadataRetriever, data, reply);
+ int64_t timeUs = data.readInt64();
+ int option = data.readInt32();
+ LOGV("getTimeAtTime: time(%lld us) and option(%d)", timeUs, option);
#ifndef DISABLE_GROUP_SCHEDULE_HACK
setSchedPolicy(data);
#endif
- sp<IMemory> bitmap = captureFrame();
+ sp<IMemory> bitmap = getFrameAtTime(timeUs, option);
if (bitmap != 0) { // Don't send NULL across the binder interface
reply->writeInt32(NO_ERROR);
reply->writeStrongBinder(bitmap->asBinder());
diff --git a/media/libmedia/mediametadataretriever.cpp b/media/libmedia/mediametadataretriever.cpp
index e2712ba..8dfcb3b 100644
--- a/media/libmedia/mediametadataretriever.cpp
+++ b/media/libmedia/mediametadataretriever.cpp
@@ -123,37 +123,15 @@ status_t MediaMetadataRetriever::setDataSource(int fd, int64_t offset, int64_t l
return mRetriever->setDataSource(fd, offset, length);
}
-status_t MediaMetadataRetriever::setMode(int mode)
+sp<IMemory> MediaMetadataRetriever::getFrameAtTime(int64_t timeUs, int option)
{
- LOGV("setMode(%d)", mode);
- Mutex::Autolock _l(mLock);
- if (mRetriever == 0) {
- LOGE("retriever is not initialized");
- return INVALID_OPERATION;
- }
- return mRetriever->setMode(mode);
-}
-
-status_t MediaMetadataRetriever::getMode(int* mode)
-{
- LOGV("getMode");
- Mutex::Autolock _l(mLock);
- if (mRetriever == 0) {
- LOGE("retriever is not initialized");
- return INVALID_OPERATION;
- }
- return mRetriever->getMode(mode);
-}
-
-sp<IMemory> MediaMetadataRetriever::captureFrame()
-{
- LOGV("captureFrame");
+ LOGV("getFrameAtTime: time(%lld us) option(%d)", timeUs, option);
Mutex::Autolock _l(mLock);
if (mRetriever == 0) {
LOGE("retriever is not initialized");
return NULL;
}
- return mRetriever->captureFrame();
+ return mRetriever->getFrameAtTime(timeUs, option);
}
const char* MediaMetadataRetriever::extractMetadata(int keyCode)
diff --git a/media/libmediaplayerservice/MetadataRetrieverClient.cpp b/media/libmediaplayerservice/MetadataRetrieverClient.cpp
index 39fce81..713e441 100644
--- a/media/libmediaplayerservice/MetadataRetrieverClient.cpp
+++ b/media/libmediaplayerservice/MetadataRetrieverClient.cpp
@@ -65,7 +65,6 @@ MetadataRetrieverClient::MetadataRetrieverClient(pid_t pid)
mThumbnail = NULL;
mAlbumArt = NULL;
mRetriever = NULL;
- mMode = METADATA_MODE_FRAME_CAPTURE_AND_METADATA_RETRIEVAL;
}
MetadataRetrieverClient::~MetadataRetrieverClient()
@@ -80,7 +79,7 @@ status_t MetadataRetrieverClient::dump(int fd, const Vector<String16>& args) con
char buffer[SIZE];
String8 result;
result.append(" MetadataRetrieverClient\n");
- snprintf(buffer, 255, " pid(%d) mode(%d)\n", mPid, mMode);
+ snprintf(buffer, 255, " pid(%d)\n", mPid);
result.append(buffer);
write(fd, result.string(), result.size());
write(fd, "\n", 1);
@@ -94,7 +93,6 @@ void MetadataRetrieverClient::disconnect()
mRetriever.clear();
mThumbnail.clear();
mAlbumArt.clear();
- mMode = METADATA_MODE_FRAME_CAPTURE_AND_METADATA_RETRIEVAL;
IPCThreadState::self()->flushCommands();
}
@@ -140,10 +138,7 @@ status_t MetadataRetrieverClient::setDataSource(const char *url)
LOGV("player type = %d", playerType);
sp<MediaMetadataRetrieverBase> p = createRetriever(playerType);
if (p == NULL) return NO_INIT;
- status_t ret = p->setMode(mMode);
- if (ret == NO_ERROR) {
- ret = p->setDataSource(url);
- }
+ status_t ret = p->setDataSource(url);
if (ret == NO_ERROR) mRetriever = p;
return ret;
}
@@ -181,55 +176,22 @@ status_t MetadataRetrieverClient::setDataSource(int fd, int64_t offset, int64_t
::close(fd);
return NO_INIT;
}
- status_t status = p->setMode(mMode);
- if (status == NO_ERROR) {
- p->setDataSource(fd, offset, length);
- }
+ status_t status = p->setDataSource(fd, offset, length);
if (status == NO_ERROR) mRetriever = p;
::close(fd);
return status;
}
-status_t MetadataRetrieverClient::setMode(int mode)
-{
- LOGV("setMode");
- Mutex::Autolock lock(mLock);
- if (mode < METADATA_MODE_NOOP ||
- mode > METADATA_MODE_FRAME_CAPTURE_AND_METADATA_RETRIEVAL) {
- LOGE("invalid mode %d", mode);
- return BAD_VALUE;
- }
- mMode = mode;
- return NO_ERROR;
-}
-
-status_t MetadataRetrieverClient::getMode(int* mode) const
-{
- LOGV("getMode");
- Mutex::Autolock lock(mLock);
-
- // TODO:
- // This may not be necessary.
- // If setDataSource() has not been called, return the cached value
- // otherwise, return the value retrieved from the retriever
- if (mRetriever == NULL) {
- *mode = mMode;
- } else {
- mRetriever->getMode(mode);
- }
- return NO_ERROR;
-}
-
-sp<IMemory> MetadataRetrieverClient::captureFrame()
+sp<IMemory> MetadataRetrieverClient::getFrameAtTime(int64_t timeUs, int option)
{
- LOGV("captureFrame");
+ LOGV("getFrameAtTime: time(%lld us) option(%d)", timeUs, option);
Mutex::Autolock lock(mLock);
mThumbnail.clear();
if (mRetriever == NULL) {
LOGE("retriever is not initialized");
return NULL;
}
- VideoFrame *frame = mRetriever->captureFrame();
+ VideoFrame *frame = mRetriever->getFrameAtTime(timeUs, option);
if (frame == NULL) {
LOGE("failed to capture a video frame");
return NULL;
diff --git a/media/libmediaplayerservice/MetadataRetrieverClient.h b/media/libmediaplayerservice/MetadataRetrieverClient.h
index 4aab94f..b834715 100644
--- a/media/libmediaplayerservice/MetadataRetrieverClient.h
+++ b/media/libmediaplayerservice/MetadataRetrieverClient.h
@@ -43,9 +43,7 @@ public:
virtual void disconnect();
virtual status_t setDataSource(const char *url);
virtual status_t setDataSource(int fd, int64_t offset, int64_t length);
- virtual status_t setMode(int mode);
- virtual status_t getMode(int* mode) const;
- virtual sp<IMemory> captureFrame();
+ virtual sp<IMemory> getFrameAtTime(int64_t timeUs, int option);
virtual sp<IMemory> extractAlbumArt();
virtual const char* extractMetadata(int keyCode);
@@ -60,7 +58,6 @@ private:
mutable Mutex mLock;
sp<MediaMetadataRetrieverBase> mRetriever;
pid_t mPid;
- int mMode;
// Keep the shared memory copy of album art and capture frame (for thumbnail)
sp<IMemory> mAlbumArt;
diff --git a/media/libstagefright/StagefrightMediaScanner.cpp b/media/libstagefright/StagefrightMediaScanner.cpp
index d3aa2f6..10c6e41 100644
--- a/media/libstagefright/StagefrightMediaScanner.cpp
+++ b/media/libstagefright/StagefrightMediaScanner.cpp
@@ -130,9 +130,7 @@ status_t StagefrightMediaScanner::processFile(
return HandleMIDI(path, &client);
}
- if (mRetriever->setDataSource(path) == OK
- && mRetriever->setMode(
- METADATA_MODE_METADATA_RETRIEVAL_ONLY) == OK) {
+ if (mRetriever->setDataSource(path) == OK) {
const char *value;
if ((value = mRetriever->extractMetadata(
METADATA_KEY_MIMETYPE)) != NULL) {
@@ -181,9 +179,7 @@ char *StagefrightMediaScanner::extractAlbumArt(int fd) {
}
lseek(fd, 0, SEEK_SET);
- if (mRetriever->setDataSource(fd, 0, size) == OK
- && mRetriever->setMode(
- METADATA_MODE_FRAME_CAPTURE_ONLY) == OK) {
+ if (mRetriever->setDataSource(fd, 0, size) == OK) {
sp<IMemory> mem = mRetriever->extractAlbumArt();
if (mem != NULL) {
diff --git a/media/libstagefright/StagefrightMetadataRetriever.cpp b/media/libstagefright/StagefrightMetadataRetriever.cpp
index ac208cd..e8f4839 100644
--- a/media/libstagefright/StagefrightMetadataRetriever.cpp
+++ b/media/libstagefright/StagefrightMetadataRetriever.cpp
@@ -108,7 +108,10 @@ status_t StagefrightMetadataRetriever::setDataSource(
static VideoFrame *extractVideoFrameWithCodecFlags(
OMXClient *client,
const sp<MetaData> &trackMeta,
- const sp<MediaSource> &source, uint32_t flags) {
+ const sp<MediaSource> &source,
+ uint32_t flags,
+ int64_t frameTimeUs,
+ int seekMode) {
sp<MediaSource> decoder =
OMXCodec::Create(
client->interface(), source->getFormat(), false, source,
@@ -130,11 +133,22 @@ static VideoFrame *extractVideoFrameWithCodecFlags(
// and spurious empty buffers.
MediaSource::ReadOptions options;
+ if (seekMode < MediaSource::ReadOptions::SEEK_PREVIOUS_SYNC ||
+ seekMode > MediaSource::ReadOptions::SEEK_CLOSEST) {
+
+ LOGE("Unknown seek mode: %d", seekMode);
+ return NULL;
+ }
+
+ MediaSource::ReadOptions::SeekMode mode =
+ static_cast<MediaSource::ReadOptions::SeekMode>(seekMode);
+
int64_t thumbNailTime;
- if (trackMeta->findInt64(kKeyThumbnailTime, &thumbNailTime)) {
- options.setSeekTo(thumbNailTime);
+ if (frameTimeUs < 0 && trackMeta->findInt64(kKeyThumbnailTime, &thumbNailTime)) {
+ options.setSeekTo(thumbNailTime, mode);
} else {
thumbNailTime = -1;
+ options.setSeekTo(frameTimeUs, mode);
}
MediaBuffer *buffer = NULL;
@@ -226,14 +240,10 @@ static VideoFrame *extractVideoFrameWithCodecFlags(
return frame;
}
-VideoFrame *StagefrightMetadataRetriever::captureFrame() {
- LOGV("captureFrame");
-
- if (0 == (mMode & METADATA_MODE_FRAME_CAPTURE_ONLY)) {
- LOGV("captureFrame disabled by mode (0x%08x)", mMode);
+VideoFrame *StagefrightMetadataRetriever::getFrameAtTime(
+ int64_t timeUs, int option) {
- return NULL;
- }
+ LOGV("getFrameAtTime: %lld us option: %d", timeUs, option);
if (mExtractor.get() == NULL) {
LOGV("no extractor.");
@@ -270,13 +280,15 @@ VideoFrame *StagefrightMetadataRetriever::captureFrame() {
VideoFrame *frame =
extractVideoFrameWithCodecFlags(
- &mClient, trackMeta, source, OMXCodec::kPreferSoftwareCodecs);
+ &mClient, trackMeta, source, OMXCodec::kPreferSoftwareCodecs,
+ timeUs, option);
if (frame == NULL) {
LOGV("Software decoder failed to extract thumbnail, "
"trying hardware decoder.");
- frame = extractVideoFrameWithCodecFlags(&mClient, trackMeta, source, 0);
+ frame = extractVideoFrameWithCodecFlags(&mClient, trackMeta, source, 0,
+ timeUs, option);
}
return frame;
@@ -285,12 +297,6 @@ VideoFrame *StagefrightMetadataRetriever::captureFrame() {
MediaAlbumArt *StagefrightMetadataRetriever::extractAlbumArt() {
LOGV("extractAlbumArt (extractor: %s)", mExtractor.get() != NULL ? "YES" : "NO");
- if (0 == (mMode & METADATA_MODE_METADATA_RETRIEVAL_ONLY)) {
- LOGV("extractAlbumArt/metadata retrieval disabled by mode");
-
- return NULL;
- }
-
if (mExtractor == NULL) {
return NULL;
}
@@ -309,12 +315,6 @@ MediaAlbumArt *StagefrightMetadataRetriever::extractAlbumArt() {
}
const char *StagefrightMetadataRetriever::extractMetadata(int keyCode) {
- if (0 == (mMode & METADATA_MODE_METADATA_RETRIEVAL_ONLY)) {
- LOGV("extractAlbumArt/metadata retrieval disabled by mode");
-
- return NULL;
- }
-
if (mExtractor == NULL) {
return NULL;
}
diff --git a/media/libstagefright/include/StagefrightMetadataRetriever.h b/media/libstagefright/include/StagefrightMetadataRetriever.h
index b80387f..07b1ec8 100644
--- a/media/libstagefright/include/StagefrightMetadataRetriever.h
+++ b/media/libstagefright/include/StagefrightMetadataRetriever.h
@@ -35,7 +35,7 @@ struct StagefrightMetadataRetriever : public MediaMetadataRetrieverInterface {
virtual status_t setDataSource(const char *url);
virtual status_t setDataSource(int fd, int64_t offset, int64_t length);
- virtual VideoFrame *captureFrame();
+ virtual VideoFrame *getFrameAtTime(int64_t timeUs, int option);
virtual MediaAlbumArt *extractAlbumArt();
virtual const char *extractMetadata(int keyCode);
generated by cgit v1.1 at 2025-01-19 04:52:42 +0000