configure: Use pkgconfig for VAAPI

Set the minimum version to 0.35.0 (libva 1.3.0) and remove redundant
configure tests.  This also allows the proprietary libmfx fork of libva,
which always shows the version number 0.99.0 (independent of the actual
version).

configure

@@ -2896,7 +2896,7 @@ vc1_vdpau_hwaccel_deps="vdpau"
 vc1_vdpau_hwaccel_select="vc1_decoder"
 vp8_nvdec_hwaccel_deps="nvdec"
 vp8_nvdec_hwaccel_select="vp8_decoder"
-vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
+vp8_vaapi_hwaccel_deps="vaapi"
 vp8_vaapi_hwaccel_select="vp8_decoder"
 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
 vp9_d3d11va_hwaccel_select="vp9_decoder"
@@ -2951,7 +2951,6 @@ h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec"
 h264_qsv_encoder_select="qsvenc"
 h264_rkmpp_decoder_deps="rkmpp"
 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
-h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
@@ -2982,7 +2981,6 @@ mpeg2_mmal_decoder_deps="mmal"
 mpeg2_mediacodec_decoder_deps="mediacodec"
 mpeg2_qsv_decoder_select="qsvdec mpegvideo_parser"
 mpeg2_qsv_encoder_select="qsvenc"
-mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
 mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"
 mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"
 mpeg4_crystalhd_decoder_select="crystalhd"
@@ -3371,7 +3369,7 @@ deconvolve_filter_select="fft"
 deinterlace_qsv_filter_deps="libmfx"
 deinterlace_vaapi_filter_deps="vaapi"
 delogo_filter_deps="gpl"
-denoise_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
+denoise_vaapi_filter_deps="vaapi"
 deshake_filter_select="pixelutils"
 dilation_opencl_filter_deps="opencl"
 drawtext_filter_deps="libfreetype"
@@ -3419,7 +3417,7 @@ phase_filter_deps="gpl"
 pp7_filter_deps="gpl"
 pp_filter_deps="gpl postproc"
 prewitt_opencl_filter_deps="opencl"
-procamp_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
+procamp_vaapi_filter_deps="vaapi"
 program_opencl_filter_deps="opencl"
 pullup_filter_deps="gpl"
 removelogo_filter_deps="avcodec avformat swscale"
@@ -3432,7 +3430,7 @@ scale2ref_filter_deps="swscale"
 scale_filter_deps="swscale"
 scale_qsv_filter_deps="libmfx"
 select_filter_select="pixelutils"
-sharpness_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
+sharpness_vaapi_filter_deps="vaapi"
 showcqt_filter_deps="avcodec avformat swscale"
 showcqt_filter_suggest="libfontconfig libfreetype"
 showcqt_filter_select="fft"
@@ -3471,7 +3469,7 @@ libvmaf_filter_deps="libvmaf pthreads"
 zmq_filter_deps="libzmq"
 zoompan_filter_deps="swscale"
 zscale_filter_deps="libzimg const_nan"
-scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
+scale_vaapi_filter_deps="vaapi"
 vpp_qsv_filter_deps="libmfx"
 vpp_qsv_filter_select="qsvvpp"
 
@@ -5954,13 +5952,9 @@ check_type "windows.h d3d11.h" "ID3D11VideoContext"
 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
 
 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
-check_type "va/va.h va/va_dec_vp8.h" "VAPictureParameterBufferVP8"
 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
-check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
-check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
-check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"
 check_type "va/va.h va/va_enc_vp8.h"  "VAEncPictureParameterBufferVP8"
 check_type "va/va.h va/va_enc_vp9.h"  "VAEncPictureParameterBufferVP9"
 
@@ -6378,18 +6372,17 @@ test_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"
 EOF
 
 enabled vaapi &&
-    check_lib vaapi va/va.h vaInitialize -lva
-
-enabled vaapi &&
-    check_cc vaapi "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)"
+    check_pkg_config vaapi "libva >= 0.35.0" "va/va.h" vaInitialize
 
 if enabled vaapi; then
-    check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm
-    check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11
-fi
+    check_pkg_config vaapi_drm "libva-drm" "va/va_drm.h" vaGetDisplayDRM
+
+    if enabled xlib; then
+        check_pkg_config vaapi_x11 "libva-x11" "va/va_x11.h" vaGetDisplay
+    fi
 
-enabled vaapi &&
     check_cpp_condition vaapi_1 "va/va.h" "VA_CHECK_VERSION(1, 0, 0)"
+fi
 
 if enabled_all opencl libdrm ; then
     check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" &&

libavcodec/vaapi_decode.c

@@ -389,9 +389,7 @@ static const struct {
     MAP(VC1,         VC1_MAIN,        VC1Main     ),
     MAP(VC1,         VC1_COMPLEX,     VC1Advanced ),
     MAP(VC1,         VC1_ADVANCED,    VC1Advanced ),
-#if VA_CHECK_VERSION(0, 35, 0)
     MAP(VP8,         UNKNOWN,       VP8Version0_3 ),
-#endif
 #if VA_CHECK_VERSION(0, 38, 0)
     MAP(VP9,         VP9_0,           VP9Profile0 ),
 #endif