[Bug 214644] cad/netgen: switch to multimedia/ffmpeg (2.0 API)

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=214644

            Bug ID: 214644
           Summary: cad/netgen: switch to multimedia/ffmpeg (2.0 API)
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Keywords: patch
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: freebsd-ports-bugs at FreeBSD.org
          Reporter: jbeich at FreeBSD.org
                CC: multimedia at FreeBSD.org, stephen at FreeBSD.org
        Depends on: 214199
                CC: stephen at FreeBSD.org

Building against ffmpeg 3.x requires fixing the following errors:

ngpkg.cpp:2269:12: error: unknown type name 'CodecID'; did you mean
'AVCodecID'?
    static CodecID codec_id = CODEC_ID_MPEG1VIDEO;
           ^~~~~~~
           AVCodecID
/usr/local/include/libavcodec/avcodec.h:191:6: note: 'AVCodecID' declared here
enum AVCodecID {
     ^
ngpkg.cpp:2269:31: error: use of undeclared identifier 'CODEC_ID_MPEG1VIDEO';
did you mean
      'AV_CODEC_ID_MPEG1VIDEO'?
    static CodecID codec_id = CODEC_ID_MPEG1VIDEO;
                              ^~~~~~~~~~~~~~~~~~~
                              AV_CODEC_ID_MPEG1VIDEO
/usr/local/include/libavcodec/avcodec.h:195:5: note: 'AV_CODEC_ID_MPEG1VIDEO'
declared here
    AV_CODEC_ID_MPEG1VIDEO,
    ^
ngpkg.cpp:2341:28: error: use of undeclared identifier 'PIX_FMT_YUV420P'; did
you mean
      'AV_PIX_FMT_YUV420P'?
        context->pix_fmt = PIX_FMT_YUV420P;
                           ^~~~~~~~~~~~~~~
                           AV_PIX_FMT_YUV420P
/usr/local/include/libavutil/pixfmt.h:62:5: note: 'AV_PIX_FMT_YUV420P' declared
here
    AV_PIX_FMT_YUV420P,   ///< planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per
2x2 Y samples)
    ^
ngpkg.cpp:2354:22: error: use of undeclared identifier 'avcodec_alloc_frame'
        YUVpicture = avcodec_alloc_frame();
                     ^
ngpkg.cpp:2363:22: error: use of undeclared identifier 'avcodec_alloc_frame'
        RGBpicture = avcodec_alloc_frame();
                     ^
ngpkg.cpp:2408:53: error: use of undeclared identifier 'PIX_FMT_RGB24'; did you
mean
      'AV_PIX_FMT_RGB24'?
          img_convert_ctx = sws_getContext( nx, ny, PIX_FMT_RGB24,
                                                    ^~~~~~~~~~~~~
                                                    AV_PIX_FMT_RGB24
/usr/local/include/libavutil/pixfmt.h:64:5: note: 'AV_PIX_FMT_RGB24' declared
here
    AV_PIX_FMT_RGB24,     ///< packed RGB 8:8:8, 24bpp, RGBRGB...
    ^
ngpkg.cpp:2409:53: error: use of undeclared identifier 'PIX_FMT_YUV420P'; did
you mean
      'AV_PIX_FMT_YUV420P'?
                                            nx, ny, PIX_FMT_YUV420P,
                                                    ^~~~~~~~~~~~~~~
                                                    AV_PIX_FMT_YUV420P
/usr/local/include/libavutil/pixfmt.h:62:5: note: 'AV_PIX_FMT_YUV420P' declared
here
    AV_PIX_FMT_YUV420P,   ///< planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per
2x2 Y samples)
    ^
ngpkg.cpp:2423:17: error: use of undeclared identifier 'avcodec_encode_video';
did you mean
      'avcodec_encode_video2'?
        bytes = avcodec_encode_video( context, buff.MPG,
                ^~~~~~~~~~~~~~~~~~~~
                avcodec_encode_video2
/usr/local/include/libavcodec/avcodec.h:5322:5: note: 'avcodec_encode_video2'
declared here
int avcodec_encode_video2(AVCodecContext *avctx, AVPacket *avpkt,
    ^
ngpkg.cpp:2423:48: error: cannot initialize a parameter of type 'AVPacket *'
with an lvalue of type
      'uint8_t *' (aka 'unsigned char *')
        bytes = avcodec_encode_video( context, buff.MPG,
                                               ^~~~~~~~
/usr/local/include/libavcodec/avcodec.h:5322:60: note: passing argument to
parameter 'avpkt' here
int avcodec_encode_video2(AVCodecContext *avctx, AVPacket *avpkt,
                                                           ^
ngpkg.cpp:2446:19: error: use of undeclared identifier 'avcodec_encode_video';
did you mean
      'avcodec_encode_video2'?
          bytes = avcodec_encode_video( context, buff.MPG, MPGbufsize, NULL );
                  ^~~~~~~~~~~~~~~~~~~~
                  avcodec_encode_video2
/usr/local/include/libavcodec/avcodec.h:5322:5: note: 'avcodec_encode_video2'
declared here
int avcodec_encode_video2(AVCodecContext *avctx, AVPacket *avpkt,
    ^
ngpkg.cpp:2446:50: error: cannot initialize a parameter of type 'AVPacket *'
with an lvalue of type
      'uint8_t *' (aka 'unsigned char *')
          bytes = avcodec_encode_video( context, buff.MPG, MPGbufsize, NULL );
                                                 ^~~~~~~~
/usr/local/include/libavcodec/avcodec.h:5322:60: note: passing argument to
parameter 'avpkt' here
int avcodec_encode_video2(AVCodecContext *avctx, AVPacket *avpkt,
                                                           ^
ngpkg.cpp:2454:25: error: use of undeclared identifier 'CODEC_ID_MPEG1VIDEO';
did you mean
      'AV_CODEC_ID_MPEG1VIDEO'?
        if( codec_id == CODEC_ID_MPEG1VIDEO ) {
                        ^~~~~~~~~~~~~~~~~~~
                        AV_CODEC_ID_MPEG1VIDEO
/usr/local/include/libavcodec/avcodec.h:195:5: note: 'AV_CODEC_ID_MPEG1VIDEO'
declared here
    AV_CODEC_ID_MPEG1VIDEO,
    ^


Referenced Bugs:

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=214199
[Bug 214199] cad/netgen: fails to build with ffmpeg 3.x (FFMPEG=on)
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