diff options
Diffstat (limited to 'media/libstagefright')
-rw-r--r-- | media/libstagefright/ThrottledSource.cpp | 12 | ||||
-rw-r--r-- | media/libstagefright/include/ThrottledSource.h | 36 |
2 files changed, 31 insertions, 17 deletions
diff --git a/media/libstagefright/ThrottledSource.cpp b/media/libstagefright/ThrottledSource.cpp index 348a9d3..7496752 100644 --- a/media/libstagefright/ThrottledSource.cpp +++ b/media/libstagefright/ThrottledSource.cpp @@ -31,10 +31,6 @@ ThrottledSource::ThrottledSource( CHECK(mBandwidthLimitBytesPerSecond > 0); } -status_t ThrottledSource::initCheck() const { - return mSource->initCheck(); -} - ssize_t ThrottledSource::readAt(off64_t offset, void *data, size_t size) { Mutex::Autolock autoLock(mLock); @@ -62,17 +58,9 @@ ssize_t ThrottledSource::readAt(off64_t offset, void *data, size_t size) { if (whenUs > nowUs) { usleep(whenUs - nowUs); } - return n; } -status_t ThrottledSource::getSize(off64_t *size) { - return mSource->getSize(size); -} - -uint32_t ThrottledSource::flags() { - return mSource->flags(); -} } // namespace android diff --git a/media/libstagefright/include/ThrottledSource.h b/media/libstagefright/include/ThrottledSource.h index 7fe7c06..673268b 100644 --- a/media/libstagefright/include/ThrottledSource.h +++ b/media/libstagefright/include/ThrottledSource.h @@ -28,18 +28,44 @@ struct ThrottledSource : public DataSource { const sp<DataSource> &source, int32_t bandwidthLimitBytesPerSecond); - virtual status_t initCheck() const; - + // implementation of readAt() that sleeps to achieve the desired max throughput virtual ssize_t readAt(off64_t offset, void *data, size_t size); - virtual status_t getSize(off64_t *size); - virtual uint32_t flags(); + // returns an empty string to prevent callers from using the Uri to construct a new datasource + virtual String8 getUri() { + return String8(); + } + + // following methods all call through to the wrapped DataSource's methods + + status_t initCheck() const { + return mSource->initCheck(); + } + + virtual status_t getSize(off64_t *size) { + return mSource->getSize(size); + } + + virtual uint32_t flags() { + return mSource->flags(); + } + + virtual status_t reconnectAtOffset(off64_t offset) { + return mSource->reconnectAtOffset(offset); + } + + virtual sp<DecryptHandle> DrmInitialization(const char *mime = NULL) { + return mSource->DrmInitialization(mime); + } + + virtual void getDrmInfo(sp<DecryptHandle> &handle, DrmManagerClient **client) { + mSource->getDrmInfo(handle, client); + }; virtual String8 getMIMEType() const { return mSource->getMIMEType(); } - private: Mutex mLock; |