build: factor out mpegvideo.o dependencies to CONFIG_MPEGVIDEO

This adds a hidden config variable for the mpegvideo.o dependency
and selects from the codecs which require it.
Signed-off-by: Mans Rullgard <mans@mansr.com>

configure

@@ -1226,6 +1226,7 @@ CONFIG_EXTRA="
     lgplv3
     lpc
     mpegaudiodsp
+    mpegvideo
     nettle
     rtpdec
     sinewin
@@ -1349,17 +1350,17 @@ atrac1_decoder_select="mdct sinewin"
 atrac3_decoder_select="mdct"
 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
 binkaudio_rdft_decoder_select="mdct rdft sinewin"
-cavs_decoder_select="golomb"
+cavs_decoder_select="golomb mpegvideo"
 cook_decoder_select="mdct sinewin"
 cscd_decoder_suggest="zlib"
 dca_decoder_select="mdct"
-dnxhd_encoder_select="aandcttables"
+dnxhd_encoder_select="aandcttables mpegvideo"
 dxa_decoder_select="zlib"
 eac3_decoder_select="ac3_decoder"
 eac3_encoder_select="mdct ac3dsp"
 eamad_decoder_select="aandcttables"
 eatgq_decoder_select="aandcttables"
-eatqi_decoder_select="aandcttables"
+eatqi_decoder_select="aandcttables mpegvideo"
 ffv1_decoder_select="golomb"
 flac_decoder_select="golomb"
 flac_encoder_select="golomb lpc"
@@ -1369,13 +1370,14 @@ flashsv2_decoder_select="zlib"
 flv_decoder_select="h263_decoder"
 flv_encoder_select="h263_encoder"
 fraps_decoder_select="huffman"
-h261_encoder_select="aandcttables"
-h263_decoder_select="h263_parser"
-h263_encoder_select="aandcttables"
+h261_decoder_select="mpegvideo"
+h261_encoder_select="aandcttables mpegvideo"
+h263_decoder_select="h263_parser mpegvideo"
+h263_encoder_select="aandcttables mpegvideo"
 h263_vaapi_hwaccel_select="vaapi h263_decoder"
 h263i_decoder_select="h263_decoder"
 h263p_encoder_select="h263_encoder"
-h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
+h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
 h264_dxva2_hwaccel_deps="dxva2api_h"
 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
 h264_vaapi_hwaccel_select="vaapi h264_decoder"
@@ -1385,9 +1387,10 @@ iac_decoder_select="fft mdct sinewin"
 imc_decoder_select="fft mdct sinewin"
 jpegls_decoder_select="golomb"
 jpegls_encoder_select="golomb"
-ljpeg_encoder_select="aandcttables"
+ljpeg_encoder_select="aandcttables mpegvideo"
 loco_decoder_select="golomb"
-mjpeg_encoder_select="aandcttables"
+mdec_decoder_select="mpegvideo"
+mjpeg_encoder_select="aandcttables mpegvideo"
 mlp_decoder_select="mlp_parser"
 mp1_decoder_select="mpegaudiodsp"
 mp1float_decoder_select="mpegaudiodsp"
@@ -1405,11 +1408,13 @@ mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
 mpeg_xvmc_decoder_select="mpegvideo_decoder"
 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
-mpeg1video_encoder_select="aandcttables"
+mpeg1video_decoder_select="mpegvideo"
+mpeg1video_encoder_select="aandcttables mpegvideo"
 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
-mpeg2video_encoder_select="aandcttables"
+mpeg2video_encoder_select="mpegvideo"
+mpeg2video_encoder_select="aandcttables mpegvideo"
 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
 mpeg4_encoder_select="h263_encoder"
 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
@@ -1432,14 +1437,15 @@ rv10_decoder_select="h263_decoder"
 rv10_encoder_select="h263_encoder"
 rv20_decoder_select="h263_decoder"
 rv20_encoder_select="h263_encoder"
-rv30_decoder_select="golomb h264chroma h264pred h264qpel"
-rv40_decoder_select="golomb h264chroma h264pred h264qpel"
+rv30_decoder_select="golomb h264chroma h264pred h264qpel mpegvideo"
+rv40_decoder_select="golomb h264chroma h264pred h264qpel mpegvideo"
 shorten_decoder_select="golomb"
 sipr_decoder_select="lsp"
 snow_decoder_select="dwt"
-snow_encoder_select="aandcttables dwt"
-svq1_encoder_select="aandcttables"
-svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
+snow_encoder_select="aandcttables dwt mpegvideo"
+svq1_encoder_select="mpegvideo"
+svq1_encoder_select="aandcttables mpegvideo"
+svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
 svq3_decoder_suggest="zlib"
 theora_decoder_select="vp3_decoder"
 tiff_decoder_suggest="zlib"
@@ -1487,7 +1493,10 @@ vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
 
 # parsers
-h264_parser_select="golomb h264dsp h264pred"
+h264_parser_select="golomb h264dsp h264pred mpegvideo"
+mpeg4video_parser_select="mpegvideo"
+mpegvideo_parser_select="mpegvideo"
+vc1_parser_select="mpegvideo"
 
 # external libraries
 libfaac_encoder_deps="libfaac"
@@ -1531,12 +1540,13 @@ matroska_demuxer_suggest="zlib bzlib"
 mov_demuxer_suggest="zlib"
 mp3_demuxer_select="mpegaudio_parser"
 mp4_muxer_select="mov_muxer"
-mpegts_muxer_select="adts_muxer latm_muxer"
+mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
 mpegtsraw_demuxer_select="mpegts_demuxer"
 mxf_d10_muxer_select="mxf_muxer"
 ogg_demuxer_select="golomb"
 psp_muxer_select="mov_muxer"
 rtp_demuxer_select="sdp_demuxer"
+rtp_muxer_select="mpegvideo"
 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
 rtsp_demuxer_select="http_protocol rtpdec"
 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"