1 files changed, 81 insertions, 0 deletions
diff --git a/videocodec/OMXVideoDecoderAVC.h b/videocodec/OMXVideoDecoderAVC.h
new file mode 100644
index 0000000..832449c
--- /dev/null
+++ b/videocodec/OMXVideoDecoderAVC.h
@@ -0,0 +1,81 @@
+/*
+* Copyright (c) 2009-2011 Intel Corporation.  All rights reserved.
+*
+* 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.
+*/
+
+#ifndef OMX_VIDEO_DECODER_AVC_H_
+#define OMX_VIDEO_DECODER_AVC_H_
+
+
+#include "OMXVideoDecoderBase.h"
+
+class OMXVideoDecoderAVC : public OMXVideoDecoderBase {
+public:
+    OMXVideoDecoderAVC();
+    virtual ~OMXVideoDecoderAVC();
+
+protected:
+    virtual OMX_ERRORTYPE InitInputPortFormatSpecific(OMX_PARAM_PORTDEFINITIONTYPE *paramPortDefinitionInput);
+    virtual OMX_ERRORTYPE ProcessorInit(void);
+    virtual OMX_ERRORTYPE ProcessorDeinit(void);
+    virtual OMX_ERRORTYPE ProcessorFlush(OMX_U32 portIndex);
+    virtual OMX_ERRORTYPE ProcessorProcess(
+            OMX_BUFFERHEADERTYPE **buffers,
+            buffer_retain_t *retains,
+            OMX_U32 numberBuffers);
+
+   virtual OMX_ERRORTYPE PrepareConfigBuffer(VideoConfigBuffer *p);
+   virtual OMX_ERRORTYPE PrepareDecodeBuffer(OMX_BUFFERHEADERTYPE *buffer, buffer_retain_t *retain, VideoDecodeBuffer *p);
+
+   virtual OMX_ERRORTYPE BuildHandlerList(void);
+   DECLARE_HANDLER(OMXVideoDecoderAVC, ParamVideoAvc);
+   DECLARE_HANDLER(OMXVideoDecoderAVC, ParamIntelAVCDecodeSettings);
+
+private:
+    inline OMX_ERRORTYPE AccumulateBuffer(OMX_BUFFERHEADERTYPE *buffer);
+    inline OMX_ERRORTYPE FillDecodeBuffer(VideoDecodeBuffer *p);
+
+private:
+    enum {
+        // OMX_PARAM_PORTDEFINITIONTYPE
+        INPORT_MIN_BUFFER_COUNT = 1,
+        INPORT_ACTUAL_BUFFER_COUNT = 5,
+        INPORT_BUFFER_SIZE = 1382400,
+
+        // for OMX_VIDEO_PARAM_INTEL_AVC_DECODE_SETTINGS
+        // default number of reference frame
+        NUM_REFERENCE_FRAME = 4,
+
+        // extra number of reference frame to allocate for video conferencing use case.
+        // total number of reference frame allocated by default  in video conferencing use case is 10.
+        EXTRA_REFERENCE_FRAME = 6,
+    };
+
+    OMX_VIDEO_PARAM_AVCTYPE mParamAvc;
+
+    // This parameter is used for video conferencing use case. Application or OMX client can preset
+    // maximum video size and maximum reference frame (default value is NUM_REFERENCE_FRAME). Using these
+    // information OMX AVC decoder can start up video decoder library without paring configuration data, or start up
+    // video decoder at earlier stage.
+    // If actual video size is less than the maximum video size, frame cropping will be used in the encoder side.
+    OMX_VIDEO_PARAM_INTEL_AVC_DECODE_SETTINGS mDecodeSettings;
+
+private:
+    OMX_U8 *mAccumulateBuffer;
+    OMX_U32 mBufferSize;
+    OMX_U32 mFilledLen;
+    OMX_TICKS mTimeStamp;
+};
+
+#endif /* OMX_VIDEO_DECODER_AVC_H_ */