1 files changed, 85 insertions, 0 deletions
diff --git a/camera/SwFrameDecoder.cpp b/camera/SwFrameDecoder.cpp
new file mode 100644
index 0000000..2ce2c0f
--- /dev/null
+++ b/camera/SwFrameDecoder.cpp
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) Texas Instruments - http://www.ti.com/
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "Common.h"
+#include "SwFrameDecoder.h"
+
+namespace Ti {
+namespace Camera {
+
+SwFrameDecoder::SwFrameDecoder()
+: mjpegWithHdrSize(0), mJpegWithHeaderBuffer(NULL) {
+}
+
+SwFrameDecoder::~SwFrameDecoder() {
+    delete [] mJpegWithHeaderBuffer;
+    mJpegWithHeaderBuffer = NULL;
+}
+
+
+void SwFrameDecoder::doConfigure(const DecoderParameters& params) {
+    LOG_FUNCTION_NAME;
+
+    mjpegWithHdrSize = (mParams.width * mParams.height / 2) +
+            mJpgdecoder.readDHTSize();
+    if (mJpegWithHeaderBuffer != NULL) {
+        delete [] mJpegWithHeaderBuffer;
+        mJpegWithHeaderBuffer = NULL;
+    }
+    mJpegWithHeaderBuffer = new unsigned char[mjpegWithHdrSize];
+
+    LOG_FUNCTION_NAME_EXIT;
+}
+
+
+void SwFrameDecoder::doProcessInputBuffer() {
+    LOG_FUNCTION_NAME;
+    nsecs_t timestamp = 0;
+
+    CAMHAL_LOGV("Will add header to MJPEG");
+    int final_jpg_sz = 0;
+    {
+        int inIndex = mInQueue.itemAt(0);
+        android::sp<MediaBuffer>& inBuffer = mInBuffers->editItemAt(inIndex);
+        android::AutoMutex lock(inBuffer->getLock());
+        timestamp = inBuffer->getTimestamp();
+        final_jpg_sz = mJpgdecoder.appendDHT(
+                reinterpret_cast<unsigned char*>(inBuffer->buffer),
+                inBuffer->filledLen, mJpegWithHeaderBuffer, mjpegWithHdrSize);
+        inBuffer->setStatus(BufferStatus_InDecoded);
+    }
+    CAMHAL_LOGV("Added header to MJPEG");
+    {
+        int outIndex = mOutQueue.itemAt(0);
+        android::sp<MediaBuffer>& outBuffer = mOutBuffers->editItemAt(outIndex);
+        android::AutoMutex lock(outBuffer->getLock());
+        CameraBuffer* buffer = reinterpret_cast<CameraBuffer*>(outBuffer->buffer);
+        if (!mJpgdecoder.decode(mJpegWithHeaderBuffer, final_jpg_sz,
+                reinterpret_cast<unsigned char*>(buffer->mapped), 4096)) {
+            CAMHAL_LOGEA("Error while decoding JPEG");
+            return;
+        }
+        outBuffer->setTimestamp(timestamp);
+        outBuffer->setStatus(BufferStatus_OutFilled);
+    }
+    CAMHAL_LOGV("JPEG decoded!");
+
+    LOG_FUNCTION_NAME_EXIT;
+}
+
+
+}  // namespace Camera
+}  // namespace Ti