lavc/qsvenc: add encode support for HEVC 4:2:2 8-bit and 10-bit

Enables HEVC Range Extension encoding support (Linux) for 4:2:2 8/10 bit
on ICL+ (gen11 +) platform.

Restricted to linux only for now.
Signed-off-by: Linjie Fu <linjie.fu@intel.com>

libavcodec/qsv.c

@@ -219,10 +219,12 @@ int ff_qsv_map_pixfmt(enum AVPixelFormat format, uint32_t *fourcc)
         return AV_PIX_FMT_P010;
 #if CONFIG_VAAPI
     case AV_PIX_FMT_YUV422P:
+    case AV_PIX_FMT_YUYV422:
         *fourcc = MFX_FOURCC_YUY2;
         return AV_PIX_FMT_YUYV422;
 #if QSV_VERSION_ATLEAST(1, 27)
     case AV_PIX_FMT_YUV422P10:
+    case AV_PIX_FMT_Y210:
         *fourcc = MFX_FOURCC_Y210;
         return AV_PIX_FMT_Y210;
 #endif

libavcodec/qsvenc.c

@@ -66,6 +66,7 @@ static const struct {
     { MFX_PROFILE_HEVC_MAIN,                    "main"                  },
     { MFX_PROFILE_HEVC_MAIN10,                  "main10"                },
     { MFX_PROFILE_HEVC_MAINSP,                  "mainsp"                },
+    { MFX_PROFILE_HEVC_REXT,                    "rext"                  },
 #endif
 };
 
@@ -544,7 +545,8 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
     q->param.mfx.FrameInfo.CropH          = avctx->height;
     q->param.mfx.FrameInfo.AspectRatioW   = avctx->sample_aspect_ratio.num;
     q->param.mfx.FrameInfo.AspectRatioH   = avctx->sample_aspect_ratio.den;
-    q->param.mfx.FrameInfo.ChromaFormat   = MFX_CHROMAFORMAT_YUV420;
+    q->param.mfx.FrameInfo.ChromaFormat   = MFX_CHROMAFORMAT_YUV420 +
+                                            !desc->log2_chroma_w + !desc->log2_chroma_h;
     q->param.mfx.FrameInfo.BitDepthLuma   = desc->comp[0].depth;
     q->param.mfx.FrameInfo.BitDepthChroma = desc->comp[0].depth;
     q->param.mfx.FrameInfo.Shift          = desc->comp[0].depth > 8;

libavcodec/qsvenc_hevc.c

@@ -240,6 +240,7 @@ static const AVOption options[] = {
     { "main",    NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_HEVC_MAIN    }, INT_MIN, INT_MAX,     VE, "profile" },
     { "main10",  NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_HEVC_MAIN10  }, INT_MIN, INT_MAX,     VE, "profile" },
     { "mainsp",  NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_HEVC_MAINSP  }, INT_MIN, INT_MAX,     VE, "profile" },
+    { "rext",    NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_HEVC_REXT    }, INT_MIN, INT_MAX,     VE, "profile" },
 
     { "gpb", "1: GPB (generalized P/B frame); 0: regular P frame", OFFSET(qsv.gpb), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE},