lavc/qsvenc: fix the incorrent map from bits to bytes

Reported-by：Maggie Sun <maggie.sun@intel.com>
Signed-off-by: Zhong Li <zhong.li@intel.com>

libavcodec/qsvenc.c

@@ -577,7 +577,7 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
 
     //libmfx BRC parameters are 16 bits thus maybe overflow, then BRCParamMultiplier is needed
     buffer_size_in_kilobytes   = avctx->rc_buffer_size / 8000;
-    initial_delay_in_kilobytes = avctx->rc_initial_buffer_occupancy / 1000;
+    initial_delay_in_kilobytes = avctx->rc_initial_buffer_occupancy / 8000;
     target_bitrate_kbps        = avctx->bit_rate / 1000;
     max_bitrate_kbps           = avctx->rc_max_rate / 1000;
     brc_param_multiplier       = (FFMAX(FFMAX3(target_bitrate_kbps, max_bitrate_kbps, buffer_size_in_kilobytes),

libavcodec/version.h

@@ -29,7 +29,7 @@
 
 #define LIBAVCODEC_VERSION_MAJOR  58
 #define LIBAVCODEC_VERSION_MINOR  53
-#define LIBAVCODEC_VERSION_MICRO 100
+#define LIBAVCODEC_VERSION_MICRO 101
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \