[FFmpeg-devel] [PATCH v2 09/10] fftools/graphprint: Add execution graph printing

[Michael Niedermayer]

Hi

On Wed, Apr 16, 2025 at 10:12:19AM +0000, softworkz wrote:
> From: softworkz <softworkz at hotmail.com>
> 
> The key benefits are:
> 
> - Different to other graph printing methods, this is outputting:
>   - all graphs with runtime state
>     (including auto-inserted filters)
>   - each graph with its inputs and outputs
>   - all filters with their in- and output pads
>   - all connections between all input- and output pads
>   - for each connection:
>     - the runtime-negotiated format and media type
>     - the hw context
>     - if video hw context, both: hw pixfmt + sw pixfmt
> - Output can either be printed to stdout or written to specified file
> - Output is machine-readable
> - Use the same output implementation as ffprobe, supporting multiple
>   formats

breaks build on ubuntu mingw

make  -k
CC	fftools/graph/graphprint.o
src/fftools/graph/graphprint.c: In function ‘print_streams’:
src/fftools/graph/graphprint.c:589:24: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
  589 |     sec_ctx.context_id = "Inputs";
      |                        ^
In file included from src/fftools/graph/graphprint.c:34:
At top level:
src/fftools/ffmpeg_mux.h:126:19: warning: ‘ms_from_ost’ defined but not used [-Wunused-function]
  126 | static MuxStream *ms_from_ost(OutputStream *ost)
      |                   ^~~~~~~~~~~
src/fftools/graph/graphprint.c:1102:1: fatal error: opening dependency file fftools/graph/graphprint.d: No such file or directory
 1102 | }
      | ^
compilation terminated.
make: *** [src/ffbuild/common.mak:81: fftools/graph/graphprint.o] Error 1
CC	fftools/resources/resman.o
src/fftools/resources/resman.c:213:1: fatal error: opening dependency file fftools/resources/resman.d: No such file or directory
  213 | }
      | ^
compilation terminated.
make: *** [src/ffbuild/common.mak:81: fftools/resources/resman.o] Error 1
CC	fftools/resources/graph.html.o
src/fftools/resources/graph.html.c:2:1: fatal error: opening dependency file fftools/resources/graph.html.d: No such file or directory
    2 | const unsigned int ff_graph_html_len = 938;
      | ^~~~~
compilation terminated.
make: *** [src/ffbuild/common.mak:81: fftools/resources/graph.html.o] Error 1
CC	fftools/resources/graph.css.o
src/fftools/resources/graph.css.c:2:1: fatal error: opening dependency file fftools/resources/graph.css.d: No such file or directory
    2 | const unsigned int ff_graph_css_len = 1685;
      | ^~~~~
compilation terminated.
make: *** [src/ffbuild/common.mak:81: fftools/resources/graph.css.o] Error 1
make: Target 'all' not remade because of errors.


[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Everything should be made as simple as possible, but not simpler.
-- Albert Einstein
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