shithub: openh264

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add maxnalsize control for gmp wrapper

--- a/codec/encoder/core/src/encoder_ext.cpp

+++ b/codec/encoder/core/src/encoder_ext.cpp

@@ -3668,13 +3668,12 @@

   pCtx->eLastNalPriority	= eNalRefIdc;

   pFbi->iLayerNum			= iLayerNum;

   pFbi->iSubSeqId = GetSubSequenceId (pCtx, eFrameType);

+

   WelsLog (pLogCtx, WELS_LOG_DEBUG, "WelsEncoderEncodeExt() OutputInfo iLayerNum ＝ %d,iSubSeqId = %d", iLayerNum,

            pFbi->iSubSeqId);

   for (int32_t i = 0; i < iLayerNum; i++)

     WelsLog (pLogCtx, WELS_LOG_DEBUG, "WelsEncoderEncodeExt() OutputInfo iLayerId = %d,iNalType = %d,iNalCount ＝ %d", i,

              pFbi->sLayerInfo[i].uiLayerType, pFbi->sLayerInfo[i].iNalCount);

-

-

   WelsEmms();

   pFbi->eFrameType = eFrameType;

--- a/module/gmp-openh264.cpp

+++ b/module/gmp-openh264.cpp

@@ -210,9 +210,9 @@

       Error (GMPGenericErr);

       return;

     }

-

-    SEncParamBase param;

+    SEncParamExt param;

     memset (&param, 0, sizeof (param));

+    encoder_->GetDefaultParams (&param);

     GMPLOG (GL_INFO, "Initializing encoder at "

             << codecSettings.mWidth

@@ -219,35 +219,50 @@

             << "x"

             << codecSettings.mHeight

             << "@"

-            << static_cast<int> (codecSettings.mMaxFramerate)

-            << "max payload size="

-            << maxPayloadSize);

+            << static_cast<int> (codecSettings.mMaxFramerate));

     // Translate parameters.

     param.iUsageType = CAMERA_VIDEO_REAL_TIME;

     param.iPicWidth = codecSettings.mWidth;

     param.iPicHeight = codecSettings.mHeight;

+    param.iRCMode = RC_BITRATE_MODE;

     param.iTargetBitrate = codecSettings.mStartBitrate * 1000;

+    param.iMaxBitrate = codecSettings.mMaxBitrate * 1000;

     GMPLOG (GL_INFO, "Initializing Bit Rate at: Start: "

             << codecSettings.mStartBitrate

             << "; Min: "

             << codecSettings.mMinBitrate

             << "; Max: "

-            << codecSettings.mMaxBitrate);

-    param.iRCMode = RC_BITRATE_MODE;

+            << codecSettings.mMaxBitrate

+            << "; Max payload size:"

+            << maxPayloadSize);

+    param.uiMaxNalSize = maxPayloadSize;

+

     // TODO(ekr@rtfm.com). Scary conversion from unsigned char to float below.

     param.fMaxFrameRate = static_cast<float> (codecSettings.mMaxFramerate);

-    rv = encoder_->Initialize (&param);

+    // Set up layers. Currently we have one layer.

+    SSpatialLayerConfig* layer = &param.sSpatialLayers[0];

+

+    layer->iVideoWidth = codecSettings.mWidth;

+    layer->iVideoHeight = codecSettings.mHeight;

+    layer->fFrameRate = param.fMaxFrameRate;

+    layer->iSpatialBitrate = param.iTargetBitrate;

+    layer->iMaxSpatialBitrate = param.iMaxBitrate;

+

+    //for controlling the NAL size (normally for packetization-mode=0)

+    if (maxPayloadSize != 0) {

+      layer->sSliceCfg.uiSliceMode = SM_DYN_SLICE;

+      layer->sSliceCfg.sSliceArgument.uiSliceSizeConstraint = maxPayloadSize;

+    }

+    rv = encoder_->InitializeExt (&param);

     if (rv) {

       GMPLOG (GL_ERROR, "Couldn't initialize encoder");

       Error (GMPGenericErr);

       return;

     }

-

     max_payload_size_ = maxPayloadSize;

-

     GMPLOG (GL_INFO, "Initialized encoder");

   }

@@ -382,7 +397,7 @@

     src.pData[3] = nullptr;

     src.iPicWidth = inputImage->Width();

     src.iPicHeight = inputImage->Height();

-    src.uiTimeStamp = inputImage->Timestamp()/1000; //encoder needs millisecond

+    src.uiTimeStamp = inputImage->Timestamp() / 1000; //encoder needs millisecond

     const SSourcePicture* pics = &src;

     int result = encoder_->EncodeFrame (pics, &encoded);

@@ -628,7 +643,7 @@

                             dState,

                             renderTimeMs));

     if (dState) {

-      Error(GMPGenericErr);

+      Error (GMPGenericErr);

     }

   }