diff options
-rw-r--r-- | media/libstagefright/rtsp/ARTPWriter.cpp | 1 | ||||
-rw-r--r-- | media/mtp/MtpFfsHandle.cpp | 14 | ||||
-rw-r--r-- | media/mtp/MtpFfsHandle.h | 4 | ||||
-rw-r--r-- | media/mtp/MtpPacket.cpp | 40 |
4 files changed, 50 insertions, 9 deletions
diff --git a/media/libstagefright/rtsp/ARTPWriter.cpp b/media/libstagefright/rtsp/ARTPWriter.cpp index 41f2d67bb7..bc8341078d 100644 --- a/media/libstagefright/rtsp/ARTPWriter.cpp +++ b/media/libstagefright/rtsp/ARTPWriter.cpp @@ -105,6 +105,7 @@ ARTPWriter::ARTPWriter(int fd) mRTCPAddr = mRTPAddr; mRTCPAddr.sin_port = htons(ntohs(mRTPAddr.sin_port) | 1); + mVPSBuf = NULL; mSPSBuf = NULL; mPPSBuf = NULL; diff --git a/media/mtp/MtpFfsHandle.cpp b/media/mtp/MtpFfsHandle.cpp index 2ffd7759e0..ef8c9aa789 100644 --- a/media/mtp/MtpFfsHandle.cpp +++ b/media/mtp/MtpFfsHandle.cpp @@ -297,6 +297,10 @@ int MtpFfsHandle::start(bool ptp) { } void MtpFfsHandle::close() { + auto timeout = std::chrono::seconds(2); + std::unique_lock lk(m); + cv.wait_for(lk, timeout ,[this]{return child_threads==0;}); + io_destroy(mCtx); closeEndpoints(); closeConfig(); @@ -669,6 +673,11 @@ int MtpFfsHandle::sendEvent(mtp_event me) { char *temp = new char[me.length]; memcpy(temp, me.data, me.length); me.data = temp; + + std::unique_lock lk(m); + child_threads++; + lk.unlock(); + std::thread t([this, me]() { return this->doSendEvent(me); }); t.detach(); return 0; @@ -680,6 +689,11 @@ void MtpFfsHandle::doSendEvent(mtp_event me) { if (static_cast<unsigned>(ret) != length) PLOG(ERROR) << "Mtp error sending event thread!"; delete[] reinterpret_cast<char*>(me.data); + + std::unique_lock lk(m); + child_threads--; + lk.unlock(); + cv.notify_one(); } } // namespace android diff --git a/media/mtp/MtpFfsHandle.h b/media/mtp/MtpFfsHandle.h index e552e03bec..51cdef0953 100644 --- a/media/mtp/MtpFfsHandle.h +++ b/media/mtp/MtpFfsHandle.h @@ -60,6 +60,10 @@ protected: bool mCanceled; bool mBatchCancel; + std::mutex m; + std::condition_variable cv; + std::atomic<int> child_threads{0}; + android::base::unique_fd mControl; // "in" from the host's perspective => sink for mtp server android::base::unique_fd mBulkIn; diff --git a/media/mtp/MtpPacket.cpp b/media/mtp/MtpPacket.cpp index f069a83b5f..5faaac2026 100644 --- a/media/mtp/MtpPacket.cpp +++ b/media/mtp/MtpPacket.cpp @@ -92,24 +92,46 @@ void MtpPacket::copyFrom(const MtpPacket& src) { } uint16_t MtpPacket::getUInt16(int offset) const { - return ((uint16_t)mBuffer[offset + 1] << 8) | (uint16_t)mBuffer[offset]; + if ((unsigned long)(offset+2) <= mBufferSize) { + return ((uint16_t)mBuffer[offset + 1] << 8) | (uint16_t)mBuffer[offset]; + } + else { + ALOGE("offset for buffer read is greater than buffer size!"); + abort(); + } } uint32_t MtpPacket::getUInt32(int offset) const { - return ((uint32_t)mBuffer[offset + 3] << 24) | ((uint32_t)mBuffer[offset + 2] << 16) | - ((uint32_t)mBuffer[offset + 1] << 8) | (uint32_t)mBuffer[offset]; + if ((unsigned long)(offset+4) <= mBufferSize) { + return ((uint32_t)mBuffer[offset + 3] << 24) | ((uint32_t)mBuffer[offset + 2] << 16) | + ((uint32_t)mBuffer[offset + 1] << 8) | (uint32_t)mBuffer[offset]; + } + else { + ALOGE("offset for buffer read is greater than buffer size!"); + abort(); + } } void MtpPacket::putUInt16(int offset, uint16_t value) { - mBuffer[offset++] = (uint8_t)(value & 0xFF); - mBuffer[offset++] = (uint8_t)((value >> 8) & 0xFF); + if ((unsigned long)(offset+2) <= mBufferSize) { + mBuffer[offset++] = (uint8_t)(value & 0xFF); + mBuffer[offset++] = (uint8_t)((value >> 8) & 0xFF); + } + else { + ALOGE("offset for buffer write is greater than buffer size!"); + } } void MtpPacket::putUInt32(int offset, uint32_t value) { - mBuffer[offset++] = (uint8_t)(value & 0xFF); - mBuffer[offset++] = (uint8_t)((value >> 8) & 0xFF); - mBuffer[offset++] = (uint8_t)((value >> 16) & 0xFF); - mBuffer[offset++] = (uint8_t)((value >> 24) & 0xFF); + if ((unsigned long)(offset+4) <= mBufferSize) { + mBuffer[offset++] = (uint8_t)(value & 0xFF); + mBuffer[offset++] = (uint8_t)((value >> 8) & 0xFF); + mBuffer[offset++] = (uint8_t)((value >> 16) & 0xFF); + mBuffer[offset++] = (uint8_t)((value >> 24) & 0xFF); + } + else { + ALOGE("offset for buffer write is greater than buffer size!"); + } } uint16_t MtpPacket::getContainerCode() const { |