/**
\fn encode
*/
bool ADM_jpegEncoder::encode (ADMBitstream * out)
{
if(false==preEncode()) return false;
_context->flags |= CODEC_FLAG_QSCALE;
_frame.quality = (int) floor (FF_QP2LAMBDA * jpegConf.quantizer+ 0.5);
int sz=0;
if ((sz = avcodec_encode_video (_context, out->data, out->bufferSize, &_frame)) < 0)
{
ADM_error("[jpeg] Error %d encoding video\n",sz);
return false;
}
out->len=sz;
out->pts=out->dts=image->Pts;
out->flags=AVI_KEY_FRAME;
return true;
}
/**
\fn encode
*/
bool ADM_ffVAEncHEVC::encode (ADMBitstream * out)
{
int sz,q;
again:
sz=0;
if(false==preEncode()) // Pop - out the frames stored in the queue due to B-frames
{
sz=encodeWrapper(NULL,out);
if (sz<= 0)
{
if(sz<0)
ADM_info("[ffVAEncHEVC] Error %d encoding video\n",sz);
return false;
}
ADM_info("[ffVAEncHEVC] Popping delayed bframes (%d)\n",sz);
goto link;
return false;
}
q=image->_Qp;
if(!q) q=2;
aprintf("[CODEC] Flags=%#x, QSCALE=%x, bit_rate=%d, quality=%d, qz=%d, incoming qz=%d\n",
_context->flags,
AV_CODEC_FLAG_QSCALE,
_context->bit_rate,
hwFrame->quality,
hwFrame->quality / FF_QP2LAMBDA,
q);
hwFrame->reordered_opaque=image->Pts;
sz=encodeWrapper(hwFrame,out);
if(sz<0)
{
CLEARTEXT(sz)
ADM_warning("[ffVAEncHEVC] Error %d (%s) encoding video\n",sz,buf);
return false;
}
if(sz==0) // no pic, probably pre filling, try again
goto again;
aprintf("[ffVAEncHEVC] encoder produces %d bytes\n",sz);
link:
return postEncode(out,sz);
}
/**
\fn encode
*/
bool ADM_ffMpeg2Encoder::encode (ADMBitstream * out)
{
int sz,q;
int gotData;
int r;
again:
sz=0;
if(false==preEncode()) // Pop - out the frames stored in the queue due to B-frames
{
AVPacket pkt;
av_init_packet(&pkt);
pkt.data=out->data;
pkt.size=out->bufferSize;
r=encodeWrapper(NULL,out);
if(r<0)
{
ADM_warning("[ffMpeg2] Error %d encoding video\n",r);
return false;
}
sz=r;
ADM_info("[ffMpeg2] Popping delayed bframes (%d)\n",sz);
goto link;
return false;
}
q=image->_Qp;
if(!q) q=2;
switch(Settings.params.mode)
{
case COMPRESS_SAME:
// Keep same frame type & same Qz as the incoming frame...
_frame->quality = (int) floor (FF_QP2LAMBDA * q+ 0.5);
if(image->flags & AVI_KEY_FRAME) _frame->pict_type = AV_PICTURE_TYPE_I;
else if(image->flags & AVI_B_FRAME) _frame->pict_type = AV_PICTURE_TYPE_B;
else _frame->pict_type = AV_PICTURE_TYPE_P;
break;
case COMPRESS_2PASS:
case COMPRESS_2PASS_BITRATE:
switch(pass)
{
case 1:
break;
case 2:
break; // Get Qz for this frame...
}
case COMPRESS_CQ:
_frame->quality = (int) floor (FF_QP2LAMBDA * Settings.params.qz+ 0.5);
break;
case COMPRESS_CBR:
break;
default:
printf("[ffMpeg2] Unsupported encoding mode\n");
return false;
}
aprintf("[CODEC] Flags = 0x%x, QSCALE=%x, bit_rate=%d, quality=%d qz=%d incoming qz=%d\n",_context->flags,CODEC_FLAG_QSCALE,
_context->bit_rate, _frame->quality, _frame->quality/ FF_QP2LAMBDA,q);
_frame->reordered_opaque=image->Pts;
r=encodeWrapper(_frame,out);
if(r<0)
{
ADM_warning("[ffMpeg2] Error %d encoding video\n",r);
return false;
}
sz=r;
if(sz==0) // no pic, probably pre filling, try again
goto again;
link:
return postEncode(out,sz);
}