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      1 /*
      2  * Copyright (C) 2012 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef SOFT_MPEG4_ENCODER_H_
     18 #define SOFT_MPEG4_ENCODER_H_
     19 
     20 #include <media/stagefright/MediaBuffer.h>
     21 #include <media/stagefright/foundation/ABase.h>
     22 #include "SoftVideoEncoderOMXComponent.h"
     23 #include "mp4enc_api.h"
     24 
     25 
     26 namespace android {
     27 
     28 struct CodecProfileLevel;
     29 
     30 struct SoftMPEG4Encoder : public SoftVideoEncoderOMXComponent {
     31     SoftMPEG4Encoder(
     32             const char *name,
     33             const char *componentRole,
     34             OMX_VIDEO_CODINGTYPE codingType,
     35             const char *mime,
     36             const CodecProfileLevel *profileLevels,
     37             size_t numProfileLevels,
     38             const OMX_CALLBACKTYPE *callbacks,
     39             OMX_PTR appData,
     40             OMX_COMPONENTTYPE **component);
     41 
     42     // Override SimpleSoftOMXComponent methods
     43     virtual OMX_ERRORTYPE internalGetParameter(
     44             OMX_INDEXTYPE index, OMX_PTR params);
     45 
     46     virtual OMX_ERRORTYPE internalSetParameter(
     47             OMX_INDEXTYPE index, const OMX_PTR params);
     48 
     49     virtual void onQueueFilled(OMX_U32 portIndex);
     50 
     51 protected:
     52     virtual ~SoftMPEG4Encoder();
     53 
     54 private:
     55     enum {
     56         kNumBuffers = 2,
     57     };
     58 
     59     // OMX input buffer's timestamp and flags
     60     typedef struct {
     61         int64_t mTimeUs;
     62         int32_t mFlags;
     63     } InputBufferInfo;
     64 
     65     MP4EncodingMode mEncodeMode;
     66     int32_t  mIDRFrameRefreshIntervalInSec;
     67 
     68     int64_t  mNumInputFrames;
     69     bool     mStarted;
     70     bool     mSawInputEOS;
     71     bool     mSignalledError;
     72 
     73     tagvideoEncControls   *mHandle;
     74     tagvideoEncOptions    *mEncParams;
     75     uint8_t               *mInputFrameData;
     76     Vector<InputBufferInfo> mInputBufferInfoVec;
     77 
     78     OMX_ERRORTYPE initEncParams();
     79     OMX_ERRORTYPE initEncoder();
     80     OMX_ERRORTYPE releaseEncoder();
     81 
     82     DISALLOW_EVIL_CONSTRUCTORS(SoftMPEG4Encoder);
     83 };
     84 
     85 }  // namespace android
     86 
     87 #endif  // SOFT_MPEG4_ENCODER_H_
     88