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Merge pull request #999 from ruil2/format_update

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add max nal size setting in gmp wrapper
This commit is contained in:
dongzha 2014-06-23 14:50:52 +08:00
commit ac1630f435
1 changed files with 84 additions and 29 deletions
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57
module/gmp-openh264.cpp
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@ -204,7 +204,7 @@ class OpenH264VideoEncoder : public GMPVideoEncoder {
if (rv) {
return GMPVideoGenericErr;
}
if (maxPayloadSize <= 0) {
SEncParamBase param;
memset (&param, 0, sizeof (param));
@ -228,6 +228,7 @@ class OpenH264VideoEncoder : public GMPVideoEncoder {
<< codecSettings.mMinBitrate
<< "; Max: "
<< codecSettings.mMaxBitrate);
param.iRCMode = RC_BITRATE_MODE;
// TODO(ekr@rtfm.com). Scary conversion from unsigned char to float below.
@ -239,6 +240,60 @@ class OpenH264VideoEncoder : public GMPVideoEncoder {
GMPLOG (GL_ERROR, "Couldn't initialize encoder");
return GMPVideoGenericErr;
}
} else {
SEncParamExt param;
memset (&param, 0, sizeof (param));
encoder_->GetDefaultParams (&param);
GMPLOG (GL_INFO, "Initializing encoder at "
<< codecSettings.mWidth
<< "x"
<< codecSettings.mHeight
<< "@"
<< static_cast<int> (codecSettings.mMaxFramerate)
<< "max payload size="
<< maxPayloadSize);
// Translate parameters.
param.iUsageType = CAMERA_VIDEO_REAL_TIME;
param.iInputCsp = videoFormatI420;
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);
//for controlling the NAL size (normally for packetization-mode=0)
param.uiMaxNalSize = maxPayloadSize;
// TODO(ekr@rtfm.com). Scary conversion from unsigned char to float below.
param.fMaxFrameRate = static_cast<float> (codecSettings.mMaxFramerate);
// 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;
// Based on guidance from Cisco.
layer->sSliceCfg.uiSliceMode = SM_DYN_SLICE;
layer->sSliceCfg.sSliceArgument.uiSliceSizeConstraint = maxPayloadSize;
rv = encoder_->InitializeExt (&param);
if (rv) {
GMPLOG (GL_ERROR, "Couldn't initialize encoder");
return GMPVideoGenericErr;
}
}
max_payload_size_ = maxPayloadSize;
callback_ = callback;