Merge commit '635897ac78ef29869f0321ab921c91b3e1aad453'

* commit '635897ac78ef29869f0321ab921c91b3e1aad453':
  configure: Factorize qsv dependencies

Merged-by: James Almer <jamrial@gmail.com>

configure

@@ -2613,8 +2613,6 @@ utvideo_decoder_select="bswapdsp llviddsp"
 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
 vble_decoder_select="llviddsp"
 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
-vc1_qsv_decoder_deps="libmfx"
-vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
 vc1image_decoder_select="vc1_decoder"
 vorbis_decoder_select="mdct"
 vorbis_encoder_select="mdct"
@@ -2718,7 +2716,6 @@ mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
 mpeg2_mediacodec_hwaccel_deps="mediacodec"
 mpeg2_mmal_hwaccel_deps="mmal"
 mpeg2_qsv_hwaccel_deps="libmfx"
-mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
 mpeg2_vaapi_hwaccel_deps="vaapi"
 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
 mpeg2_vdpau_hwaccel_deps="vdpau"
@@ -2747,7 +2744,6 @@ vc1_dxva2_hwaccel_deps="dxva2"
 vc1_dxva2_hwaccel_select="vc1_decoder"
 vc1_mmal_hwaccel_deps="mmal"
 vc1_qsv_hwaccel_deps="libmfx"
-vc1_qsv_hwaccel_select="qsvdec_vc1"
 vc1_vaapi_hwaccel_deps="vaapi"
 vc1_vaapi_hwaccel_select="vc1_decoder"
 vc1_vdpau_hwaccel_deps="vdpau"
@@ -2776,6 +2772,7 @@ wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
 # hardware-accelerated codecs
 omx_deps="libdl pthreads"
 omx_rpi_select="omx"
+qsv_deps="libmfx"
 qsvdec_select="qsv"
 qsvenc_select="qsv"
 vaapi_encode_deps="vaapi"
@@ -2800,9 +2797,7 @@ h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
 h264_mmal_decoder_deps="mmal"
 h264_nvenc_encoder_deps="nvenc"
 h264_omx_encoder_deps="omx"
-h264_qsv_decoder_deps="libmfx"
 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
-h264_qsv_encoder_deps="libmfx"
 h264_qsv_encoder_select="qsvenc"
 h264_rkmpp_decoder_deps="rkmpp"
 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
@@ -2815,9 +2810,7 @@ hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
 hevc_mediacodec_decoder_deps="mediacodec"
 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
 hevc_nvenc_encoder_deps="nvenc"
-hevc_qsv_decoder_deps="libmfx"
 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
-hevc_qsv_encoder_deps="libmfx"
 hevc_qsv_encoder_select="hevcparse qsvenc"
 hevc_rkmpp_decoder_deps="rkmpp"
 hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
@@ -2834,9 +2827,7 @@ mpeg2_crystalhd_decoder_select="crystalhd"
 mpeg2_cuvid_decoder_deps="cuda cuvid"
 mpeg2_mmal_decoder_deps="mmal"
 mpeg2_mediacodec_decoder_deps="mediacodec"
-mpeg2_qsv_decoder_deps="libmfx"
 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
-mpeg2_qsv_encoder_deps="libmfx"
 mpeg2_qsv_encoder_select="qsvenc"
 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
 mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"
@@ -2854,10 +2845,10 @@ nvenc_hevc_encoder_select="hevc_nvenc_encoder"
 vc1_crystalhd_decoder_select="crystalhd"
 vc1_cuvid_decoder_deps="cuda cuvid"
 vc1_mmal_decoder_deps="mmal"
+vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
 vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"
 vp8_cuvid_decoder_deps="cuda cuvid"
 vp8_mediacodec_decoder_deps="mediacodec"
-vp8_qsv_decoder_deps="libmfx"
 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
 vp8_rkmpp_decoder_deps="rkmpp"
 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"