X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fqsvenc.c;h=1aeab03d04d6ea62e1e782fbb2eb5690c7532f8c;hb=194dd155582d5b71fc3bb78ef77ce64d3f6c521d;hp=57f5fe419935d9fbcf69377ac213aca1a66d68f9;hpb=1ce298dac51cb948a7170ed28e8290530cf150f4;p=ffmpeg

diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
index 57f5fe41993..1aeab03d04d 100644
--- a/libavcodec/qsvenc.c
+++ b/libavcodec/qsvenc.c
@@ -107,8 +107,16 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
         q->param.mfx.RateControlMethod = MFX_RATECONTROL_CBR;
         ratecontrol_desc = "constant bitrate (CBR)";
     } else if (!avctx->rc_max_rate) {
-        q->param.mfx.RateControlMethod = MFX_RATECONTROL_AVBR;
-        ratecontrol_desc = "average variable bitrate (AVBR)";
+#if QSV_VERSION_ATLEAST(1,7)
+        if (q->look_ahead) {
+            q->param.mfx.RateControlMethod = MFX_RATECONTROL_LA;
+            ratecontrol_desc = "lookahead (LA)";
+        } else
+#endif
+        {
+            q->param.mfx.RateControlMethod = MFX_RATECONTROL_AVBR;
+            ratecontrol_desc = "average variable bitrate (AVBR)";
+        }
     } else {
         q->param.mfx.RateControlMethod = MFX_RATECONTROL_VBR;
         ratecontrol_desc = "variable bitrate (VBR)";
@@ -121,7 +129,7 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
     case MFX_RATECONTROL_VBR:
         q->param.mfx.InitialDelayInKB = avctx->rc_initial_buffer_occupancy / 1000;
         q->param.mfx.TargetKbps       = avctx->bit_rate / 1000;
-        q->param.mfx.MaxKbps          = avctx->bit_rate / 1000;
+        q->param.mfx.MaxKbps          = avctx->rc_max_rate / 1000;
         break;
     case MFX_RATECONTROL_CQP:
         quant = avctx->global_quality / FF_QP2LAMBDA;
@@ -132,6 +140,9 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
 
         break;
     case MFX_RATECONTROL_AVBR:
+#if QSV_VERSION_ATLEAST(1,7)
+    case MFX_RATECONTROL_LA:
+#endif
         q->param.mfx.TargetKbps  = avctx->bit_rate / 1000;
         q->param.mfx.Convergence = q->avbr_convergence;
         q->param.mfx.Accuracy    = q->avbr_accuracy;
@@ -146,8 +157,27 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
         q->extco.CAVLC                = avctx->coder_type == FF_CODER_TYPE_VLC ?
                                         MFX_CODINGOPTION_ON : MFX_CODINGOPTION_UNKNOWN;
 
+        q->extco.PicTimingSEI         = q->pic_timing_sei ?
+                                        MFX_CODINGOPTION_ON : MFX_CODINGOPTION_UNKNOWN;
+
         q->extparam[0] = (mfxExtBuffer *)&q->extco;
 
+#if QSV_VERSION_ATLEAST(1,6)
+        q->extco2.Header.BufferId      = MFX_EXTBUFF_CODING_OPTION2;
+        q->extco2.Header.BufferSz      = sizeof(q->extco2);
+
+#if QSV_VERSION_ATLEAST(1,7)
+        // valid value range is from 10 to 100 inclusive
+        // to instruct the encoder to use the default value this should be set to zero
+        q->extco2.LookAheadDepth        = q->look_ahead_depth != 0 ? FFMAX(10, q->look_ahead_depth) : 0;
+#endif
+#if QSV_VERSION_ATLEAST(1,8)
+        q->extco2.LookAheadDS           = q->look_ahead_downsampling;
+#endif
+
+        q->extparam[1] = (mfxExtBuffer *)&q->extco2;
+
+#endif
         q->param.ExtParam    = q->extparam;
         q->param.NumExtParam = FF_ARRAY_ELEMS(q->extparam);
     }