qsvenc: cavlc option is only available for h264

Moving option definition to h264 implementation and fixing command line defaults
in order to properly respect cavlc input value
Signed-off-by: Zhong Li <zhong.li@intel.com>
Signed-off-by: Maxym Dmytrychenko <maxim.d33@gmail.com>

libavcodec/qsvenc.c

@@ -540,19 +540,20 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
     if (avctx->codec_id != AV_CODEC_ID_HEVC) {
         q->extco.Header.BufferId      = MFX_EXTBUFF_CODING_OPTION;
         q->extco.Header.BufferSz      = sizeof(q->extco);
+
+        if (q->rdo >= 0)
+            q->extco.RateDistortionOpt = q->rdo > 0 ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
+
+        if (avctx->codec_id == AV_CODEC_ID_H264) {
 #if FF_API_CODER_TYPE
 FF_DISABLE_DEPRECATION_WARNINGS
-        if (avctx->coder_type != 0)
+            if (avctx->coder_type >= 0)
                 q->cavlc = avctx->coder_type == FF_CODER_TYPE_VLC;
 FF_ENABLE_DEPRECATION_WARNINGS
 #endif
             q->extco.CAVLC = q->cavlc ? MFX_CODINGOPTION_ON
                                       : MFX_CODINGOPTION_UNKNOWN;
 
-        if (q->rdo >= 0)
-            q->extco.RateDistortionOpt = q->rdo > 0 ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
-
-        if (avctx->codec_id == AV_CODEC_ID_H264) {
             if (avctx->strict_std_compliance != FF_COMPLIANCE_NORMAL)
                 q->extco.NalHrdConformance = avctx->strict_std_compliance > FF_COMPLIANCE_NORMAL ?
                                              MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;

libavcodec/qsvenc.h

@@ -66,8 +66,7 @@
 { "extbrc",         "Extended bitrate control",               OFFSET(qsv.extbrc),         AV_OPT_TYPE_INT, { .i64 = -1 }, -1,          1, VE }, \
 { "adaptive_i",     "Adaptive I-frame placement",             OFFSET(qsv.adaptive_i),     AV_OPT_TYPE_INT, { .i64 = -1 }, -1,          1, VE }, \
 { "adaptive_b",     "Adaptive B-frame placement",             OFFSET(qsv.adaptive_b),     AV_OPT_TYPE_INT, { .i64 = -1 }, -1,          1, VE }, \
-{ "b_strategy",     "Strategy to choose between I/P/B-frames", OFFSET(qsv.b_strategy),    AV_OPT_TYPE_INT, { .i64 = -1 }, -1,          1, VE }, \
-{ "cavlc",          "Enable CAVLC",                           OFFSET(qsv.cavlc),          AV_OPT_TYPE_INT, { .i64 = 0 },   0,          1, VE }, \
+{ "b_strategy",     "Strategy to choose between I/P/B-frames", OFFSET(qsv.b_strategy),    AV_OPT_TYPE_INT, { .i64 = -1 }, -1,          1, VE },
 
 typedef struct QSVEncContext {
     AVCodecContext *avctx;

libavcodec/qsvenc_h264.c

@@ -67,6 +67,7 @@ static av_cold int qsv_enc_close(AVCodecContext *avctx)
 static const AVOption options[] = {
     QSV_COMMON_OPTS
 
+    { "cavlc",          "Enable CAVLC",                           OFFSET(qsv.cavlc),          AV_OPT_TYPE_INT, { .i64 = 0 },   0,          1, VE },
     { "idr_interval", "Distance (in I-frames) between IDR frames", OFFSET(qsv.idr_interval), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
     { "single_sei_nal_unit",    "Put all the SEI messages into one NALU",        OFFSET(qsv.single_sei_nal_unit),     AV_OPT_TYPE_INT, { .i64 = -1 }, -1,          1, VE },
     { "max_dec_frame_buffering", "Maximum number of frames buffered in the DPB", OFFSET(qsv.max_dec_frame_buffering), AV_OPT_TYPE_INT, { .i64 = 0 },   0, UINT16_MAX, VE },
@@ -106,7 +107,9 @@ static const AVCodecDefault qsv_enc_defaults[] = {
     // same as the x264 default
     { "g",         "250"   },
     { "bf",        "3"     },
-    { "coder",     "ac"    },
+#if FF_API_CODER_TYPE
+    { "coder",     "-1"    },
+#endif
 
     { "flags",     "+cgop" },
 #if FF_API_PRIVATE_OPT