lavc/qsvenc: add an option to set h264 pps for every frame

RepeatPPS is enabled by default in mfx. It is not necessary mostly and
wasting encoding bits.
Add an option to control it and disable it by default.

Reviewed-by: Mark Thompson <sw@jkqxz.net>
Signed-off-by: Zhong Li <zhong.li@intel.com>

libavcodec/qsvenc.c

@@ -654,6 +654,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
 
 #if QSV_VERSION_ATLEAST(1, 8)
             q->extco2.LookAheadDS = q->look_ahead_downsampling;
+            q->extco2.RepeatPPS   = q->repeat_pps ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
 
 #if FF_API_PRIVATE_OPT
 FF_DISABLE_DEPRECATION_WARNINGS

libavcodec/qsvenc.h

@@ -162,6 +162,8 @@ typedef struct QSVEncContext {
     int int_ref_qp_delta;
     int recovery_point_sei;
 
+    int repeat_pps;
+
     int a53_cc;
 
 #if QSV_HAVE_MF

libavcodec/qsvenc_h264.c

@@ -154,6 +154,8 @@ static const AVOption options[] = {
     { "auto"   , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_MF_AUTO     }, INT_MIN, INT_MAX,     VE, "mfmode" },
 #endif
 
+    { "repeat_pps", "repeat pps for every frame", OFFSET(qsv.repeat_pps), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
+
     { NULL },
 };
 

libavcodec/version.h

@@ -29,7 +29,7 @@
 
 #define LIBAVCODEC_VERSION_MAJOR  58
 #define LIBAVCODEC_VERSION_MINOR  41
-#define LIBAVCODEC_VERSION_MICRO 101
+#define LIBAVCODEC_VERSION_MICRO 102
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \