avcodec/nvenc: always output picture timing SEI

Interlaced encoding profits from it, or might even need it in some
players.
No harm in enabling it unconditionally.
Signed-off-by: NTimo Rothenpieler <timo@rothenpieler.org>

libavcodec/nvenc.c

@@ -879,9 +879,10 @@ static av_cold int nvenc_setup_h264_config(AVCodecContext *avctx)
 
     if (IS_CBR(cc->rcParams.rateControlMode)) {
         h264->outputBufferingPeriodSEI = 1;
-        h264->outputPictureTimingSEI   = 1;
     }
 
+    h264->outputPictureTimingSEI = 1;
+
     if (cc->rcParams.rateControlMode == NV_ENC_PARAMS_RC_CBR_LOWDELAY_HQ ||
         cc->rcParams.rateControlMode == NV_ENC_PARAMS_RC_CBR_HQ ||
         cc->rcParams.rateControlMode == NV_ENC_PARAMS_RC_VBR_HQ) {
@@ -966,9 +967,10 @@ static av_cold int nvenc_setup_hevc_config(AVCodecContext *avctx)
 
     if (IS_CBR(cc->rcParams.rateControlMode)) {
         hevc->outputBufferingPeriodSEI = 1;
-        hevc->outputPictureTimingSEI   = 1;
     }
 
+    hevc->outputPictureTimingSEI = 1;
+
     switch (ctx->profile) {
     case NV_ENC_HEVC_PROFILE_MAIN:
         cc->profileGUID = NV_ENC_HEVC_PROFILE_MAIN_GUID;