[Octave-bug-tracker] [bug #61978] [octave forge] (video) Failure to build against FFmpeg 5.0

[Dmitri A. Sergatskov]

Follow-up Comment #5, bug #61978 (project octave):

On Centos Stream 9:

$ make dist V=1
cd src && ./bootstrap && ./configure && make all
checking for g++... g++
checking whether the C++ compiler works... yes
checking for C++ compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C++ compiler... yes
checking whether g++ accepts -g... yes
checking for mkoctfile... yes
checking for pkg-config... /usr/bin/pkg-config
checking pkg-config is at least version 0.9.0... yes
checking for FFMPEG... yes
configure: creating ./config.status
config.status: creating Makefile
configure:

Octave-Forge video package is now configured with

   FFMPEG LIBS:       -lswscale -lavformat -lavcodec -lavutil 
   FFMPEG CFLAGS:     -I/usr/include/ffmpeg 
   DEFS:              -DPACKAGE_NAME=\"Octave-Forge\ video\ package\"
-DPACKAGE_TARNAME=\"octave-forge-video-package\" -DPACKAGE_VERSION=\"2.0.2\"
-DPACKAGE_STRING=\"Octave-Forge\ video\ package\ 2.0.2\"
-DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\"

make[1]: Entering directory
'/home/dima/src/octave-video-e2f639402fef48a951bea656456fe3f2954bdc92/src'
patch -i cap_ffmpeg_impl_ov.patch -o cap_ffmpeg_impl_ov.hpp
patching file cap_ffmpeg_impl_ov.hpp (read from cap_ffmpeg_impl.hpp)
mkoctfile -Wall -v -I/usr/include/ffmpeg  -DPACKAGE_NAME=\"Octave-Forge\
video\ package\" -DPACKAGE_TARNAME=\"octave-forge-video-package\"
-DPACKAGE_VERSION=\"2.0.2\" -DPACKAGE_STRING=\"Octave-Forge\ video\ package\
2.0.2\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" cap_ffmpeg_wrapper.cc 
-lswscale -lavformat -lavcodec -lavutil   -g -O2
g++ -c  -fPIC -I/usr/local/include/octave-8.2.1/octave/..
-I/usr/local/include/octave-8.2.1/octave -I/usr/local/include  -pthread
-fopenmp -ggdb3 -O2 -march=x86-64-v2 -mtune=native -flto=auto -g  -Wall -O2 
-I/usr/include/ffmpeg  -DPACKAGE_NAME="Octave-Forge video package"
-DPACKAGE_TARNAME="octave-forge-video-package" -DPACKAGE_VERSION="2.0.2"
-DPACKAGE_STRING="Octave-Forge video package 2.0.2" -DPACKAGE_BUGREPORT=""
-DPACKAGE_URL="" cap_ffmpeg_wrapper.cc -o /tmp/oct-cFRgFU.o
In file included from cap_ffmpeg_wrapper.cc:18:
cap_ffmpeg_impl_ov.hpp: In member function ‘const char*
CvCapture_FFMPEG::get_video_codec_name() const’:
cap_ffmpeg_impl_ov.hpp:560:51: error: ‘AVStream’ {aka ‘struct
AVStream’} has no member named ‘codec’
  560 |         return _opencv_avcodec_get_name(video_st->codec->codec_id);
      |                                                   ^~~~~
In file included from cap_ffmpeg_wrapper.cc:18:
cap_ffmpeg_impl_ov.hpp: In member function ‘bool
CvCapture_FFMPEG::grabFrame()’:
cap_ffmpeg_impl_ov.hpp:1471:9: error: ‘avcodec_decode_video2’ was not
declared in this scope; did you mean ‘avcodec_decode_subtitle2’?
 1471 |         avcodec_decode_video2(context, picture, &got_picture,
&packet);
      |         ^~~~~~~~~~~~~~~~~~~~~
      |         avcodec_decode_subtitle2
cap_ffmpeg_impl_ov.hpp: In member function ‘const char*
CvVideoWriter_FFMPEG::get_video_codec_name() const’:
cap_ffmpeg_impl_ov.hpp:1967:51: error: ‘AVStream’ {aka ‘struct
AVStream’} has no member named ‘codec’
 1967 |         return _opencv_avcodec_get_name(video_st->codec->codec_id);
      |                                                   ^~~~~
cap_ffmpeg_impl_ov.hpp: In function ‘int
icv_av_write_frame_FFMPEG(AVFormatContext*, AVStream*, AVCodecContext*,
uint8_t*, uint32_t, AVFrame*, int)’:
cap_ffmpeg_impl_ov.hpp:2291:15: error: ‘avcodec_encode_video2’ was not
declared in this scope; did you mean ‘avcodec_encode_subtitle’?
 2291 |         ret = avcodec_encode_video2(c, &pkt, picture, &got_output);
      |               ^~~~~~~~~~~~~~~~~~~~~
      |               avcodec_encode_subtitle
cap_ffmpeg_wrapper.cc: In function ‘octave_value_list
F__ffmpeg_output_formats__(const octave_value_list&, int)’:
cap_ffmpeg_wrapper.cc:61:3: error: ‘av_register_all’ was not declared in
this scope
   61 |   av_register_all();
      |   ^~~~~~~~~~~~~~~
cap_ffmpeg_wrapper.cc:66:30: error: ‘av_oformat_next’ was not declared in
this scope; did you mean ‘av_opt_next’?
   66 |   AVOutputFormat * oformat = av_oformat_next(NULL);
      |                              ^~~~~~~~~~~~~~~
      |                              av_opt_next
cap_ffmpeg_wrapper.cc: In function ‘octave_value_list F__writer_open__(const
octave_value_list&, int)’:
cap_ffmpeg_wrapper.cc:417:7: error: ‘av_register_all’ was not declared in
this scope
  417 |       av_register_all();
      |       ^~~~~~~~~~~~~~~
cap_ffmpeg_wrapper.cc:436:49: error: invalid conversion from ‘const
AVOutputFormat*’ to ‘AVOutputFormat*’ [-fpermissive]
  436 |       AVOutputFormat* foo = av_guess_format     (NULL, filename.c_str
(), NULL);
      |                            
~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                                 |
      |                                                 const AVOutputFormat*
In file included from cap_ffmpeg_wrapper.cc:18:
cap_ffmpeg_impl_ov.hpp: At global scope:
cap_ffmpeg_impl_ov.hpp:2001:21: warning: ‘const char*
icvFFMPEGErrStr(int)’ defined but not used [-Wunused-function]
 2001 | static const char * icvFFMPEGErrStr(int err)
      |                     ^~~~~~~~~~~~~~~
In file included from cap_ffmpeg_wrapper.cc:18:
cap_ffmpeg_impl_ov.hpp:953:13: warning: ‘void ffmpeg_log_callback(void*,
int, const char*, __va_list_tag*)’ defined but not used [-Wunused-function]
  953 | static void ffmpeg_log_callback(void *ptr, int level, const char *fmt,
va_list vargs)
      |             ^~~~~~~~~~~~~~~~~~~
make[1]: *** [Makefile:12: cap_ffmpeg_wrapper.oct] Error 1
make[1]: Leaving directory
'/home/dima/src/octave-video-e2f639402fef48a951bea656456fe3f2954bdc92/src'
make: *** [Makefile:92: all] Error 2



gcc 11.4.1; ffmpeg-5.1.3

Dmitri.
-- 



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