lavc/libxavs2: unified naming style

Signed-off-by: hwren <hwrenx@126.com>

libavcodec/libxavs2.c

@@ -78,18 +78,18 @@ static av_cold int xavs2_init(AVCodecContext *avctx)
         return AVERROR(ENOMEM);
     }
 
-    xavs2_opt_set2("width",     "%d", avctx->width);
-    xavs2_opt_set2("height",    "%d", avctx->height);
-    xavs2_opt_set2("bframes",   "%d", avctx->max_b_frames);
-    xavs2_opt_set2("bitdepth",  "%d", bit_depth);
-    xavs2_opt_set2("log",       "%d", cae->log_level);
-    xavs2_opt_set2("preset",    "%d", cae->preset_level);
+    xavs2_opt_set2("Width",     "%d", avctx->width);
+    xavs2_opt_set2("Height",    "%d", avctx->height);
+    xavs2_opt_set2("BFrames",   "%d", avctx->max_b_frames);
+    xavs2_opt_set2("BitDepth",  "%d", bit_depth);
+    xavs2_opt_set2("Log",       "%d", cae->log_level);
+    xavs2_opt_set2("Preset",    "%d", cae->preset_level);
 
     /* not the same parameter as the IntraPeriod in xavs2 log */
-    xavs2_opt_set2("intraperiod",       "%d", avctx->gop_size);
+    xavs2_opt_set2("IntraPeriod",       "%d", avctx->gop_size);
 
-    xavs2_opt_set2("thread_frames",     "%d", avctx->thread_count);
-    xavs2_opt_set2("thread_rows",       "%d", cae->lcu_row_threads);
+    xavs2_opt_set2("ThreadFrames",      "%d", avctx->thread_count);
+    xavs2_opt_set2("ThreadRows",        "%d", cae->lcu_row_threads);
 
     xavs2_opt_set2("OpenGOP",  "%d", 1);
 
@@ -109,11 +109,11 @@ static av_cold int xavs2_init(AVCodecContext *avctx)
     if (avctx->bit_rate > 0) {
         xavs2_opt_set2("RateControl",   "%d", 1);
         xavs2_opt_set2("TargetBitRate", "%"PRId64"", avctx->bit_rate);
-        xavs2_opt_set2("initial_qp",    "%d", cae->initial_qp);
-        xavs2_opt_set2("max_qp",        "%d", cae->max_qp);
-        xavs2_opt_set2("min_qp",        "%d", cae->min_qp);
+        xavs2_opt_set2("InitialQP",     "%d", cae->initial_qp);
+        xavs2_opt_set2("MaxQP",         "%d", cae->max_qp);
+        xavs2_opt_set2("MinQP",         "%d", cae->min_qp);
     } else {
-        xavs2_opt_set2("initial_qp",    "%d", cae->qp);
+        xavs2_opt_set2("InitialQP",     "%d", cae->qp);
     }