qsvenc: add the Access Unit Delimiter NAL Unit support

Signed-off-by: Zhong Li <zhong.li@intel.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

libavcodec/qsvenc.c

@@ -600,6 +600,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
             if (q->recovery_point_sei >= 0)
                 q->extco.RecoveryPointSEI = q->recovery_point_sei ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
             q->extco.MaxDecFrameBuffering = q->max_dec_frame_buffering;
+            q->extco.AUDelimiter          = q->aud ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
         }
 
         q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer *)&q->extco;

libavcodec/qsvenc.h

@@ -137,6 +137,8 @@ typedef struct QSVEncContext {
     int max_frame_size;
     int max_slice_size;
 
+    int aud;
+
     int single_sei_nal_unit;
     int max_dec_frame_buffering;
     int trellis;

libavcodec/qsvenc_h264.c

@@ -91,6 +91,8 @@ static const AVOption options[] = {
     { "main"    , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_MAIN     }, INT_MIN, INT_MAX,     VE, "profile" },
     { "high"    , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_HIGH     }, INT_MIN, INT_MAX,     VE, "profile" },
 
+    { "aud", "Insert the Access Unit Delimiter NAL", OFFSET(qsv.aud), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE},
+
     { NULL },
 };