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[MPlayer-dev-eng] Compilation of MPlayer broken in libavformat/vapoursynth.c




Hi,

currently MPlayer does not compile on my system, compilation breaks with

------------8<--------------
CC      libavformat/vapoursynth.o
libavformat/vapoursynth.c:28:25: fatal error: VapourSynth.h: No such file or directory
 #include <VapourSynth.h>
                         ^
compilation terminated.
make[1]: *** [libavformat/vapoursynth.o] Error 1
------------8<--------------

Root cause is that this ffmpeg feature is not tested for in MPlayer's
configure. Filtering out the VapourSynth demuxer in MPlayer's configure
suffices to build MPlayer [for me].

$ svn diff configure
------------8<--------------
Index: configure
===================================================================
--- configure   (revision 38105)
+++ configure   (working copy)
@@ -1614,7 +1614,7 @@
 libavdecoders=$(filter_out_component decoder 'LIB[A-Z0-9_]* H264_QSV MJPEG_QSV MPEG2_MMAL MPEG4_MMAL MPEG2_QSV HEVC_QSV VC1_MMAL VC1_QSV H264_MMAL H264_MEDIACODEC HEVC_MEDIACODEC MPEG2_MEDIACODEC H264_CUVID HEVC_CUVID VC1_CUVID VP8_CUVID VP9_CUVID H263_CUVID MJPEG_CUVID MPEG1_CUVID MPEG2_CUVID MPEG4_CUVID VP8_MEDIACODEC VP9_MEDIACODEC MPEG4_MEDIACODEC VP8_QSV [A-Z0-9_]*_AT [A-Z0-9]*_RKMPP [A-Z0-9]*_V4L2M2M')
 libavencoders=$(filter_out_component encoder 'LIB[A-Z0-9_]* H264_QSV MJPEG_QSV MPEG2_QSV HEVC_QSV VC1_MMAL VC1_QSV NVENC[A-Z0-9_]* H264_NVENC[A-Z0-9_]* HEVC_NVENC[A-Z0-9_]* HAP [A-Z0-9]*_VIDEOTOOLBOX H264_VAAPI HEVC_VAAPI MJPEG_VAAPI MPEG2_VAAPI VP8_VAAPI VP9_VAAPI H264_OMX MPEG4_OMX [A-Z0-9_]*_AT [A-Z0-9]*_V4L2M2M [A-Z0-9]*_AMF')
 libavbsfs=$(filter_out_component bsf 'TRACE_HEADERS [A-Z0-9_]*_METADATA H264_REDUNDANT_PPS FILTER_UNITS')
-libavdemuxers=$(filter_out_component demuxer 'AVISYNTH DASH LIB[A-Z0-9_]* REDIR')
+libavdemuxers=$(filter_out_component demuxer 'AVISYNTH DASH LIB[A-Z0-9_]* REDIR VAPOURSYNTH')
 libavmuxers=$(filter_out_component muxer 'CHROMAPRINT LIB[A-Z0-9_]* RTP RTSP SAP')
 libavprotocols=$(filter_out_component protocol 'BLURAY FFRTMPCRYPT HTTPS LIB[A-Z0-9_]* TLS TLS_GNUTLS TLS_OPENSSL TLS_SECURETRANSPORT TLS_SCHANNEL')
 libavfilters=$(filter_out_component filter 'VF_FREI0R[A-Z0-9_]* LIB[A-Z0-9_]* MP VF_OCV')
------------8<--------------

Please note that ffmepg's configure sets two #defines after detecting that
VapourSynth is not available:

#define CONFIG_VAPOURSYNTH 0
#define CONFIG_VAPOURSYNTH_DEMUXER 0

But MPlayer's configure with the above patch sets just the second define:

#define CONFIG_VAPOURSYNTH_DEMUXER 0

Thanks,
Erik
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