[FFmpeg-devel] [PATCH] fftools/resorces: Add resource_manager with build-time compression

[Michael Niedermayer]

On Sat, Mar 29, 2025 at 05:27:10AM +0000, softworkz wrote:
> From: softworkz <softworkz at hotmail.com>
> 
> Signed-off-by: softworkz <softworkz at hotmail.com>
> ---
>     [RFC] fftools/resorces: Add resource_manager with build-time compression
>     
>     Hello everybody,
>     
>     this is a resource manager implementation which I've done for the
>     upcoming execution graph rendering patchset, which needs some css and
>     http strings for generating the output and I wanted check back whether
>     it's okay to do it that way?
>     
>     To minimize the amount of storage required, it is using compression at
>     build time, inspired from the PTX compresion that is already in employed
>     for compresing CUDA kernels. The purpose is to allow having the actual
>     content in the tree, viewable and editable as reeguar html or css files
>     rather than a cryptic string that is handcrafted by the developer.
>     
>     For CSS files, it also applies some minification: Comment lines are
>     removed, linebreaks removed and whitespace is folded, then it gets
>     compressed and finally added as data via BIN2C. Same for html but
>     without minification.
>     
>     In case of PTX compression there's a configure option to disable, hence
>     I'm wondering whether I might need to do the same if there are any cases
>     where it doesn't work?
>     
>     Thanks
>     
>     (note that the two css and html files are identical - it's just for
>     illustration).
> 
> Published-As: https://github.com/ffstaging/FFmpeg/releases/tag/pr-ffstaging-63%2Fsoftworkz%2Fsubmit_resourcerfc-v1
> Fetch-It-Via: git fetch https://github.com/ffstaging/FFmpeg pr-ffstaging-63/softworkz/submit_resourcerfc-v1
> Pull-Request: https://github.com/ffstaging/FFmpeg/pull/63

out of tree build with mingw64 on ubuntu

src/fftools/resources/resman.c: In function ‘decompress_gzip’:
src/fftools/resources/resman.c:78:5: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
   78 |     uint8_t *buf = (uint8_t *)av_mallocz(chunk + 1);
      |     ^~~~~~~
src/fftools/resources/resman.c: At top level:
src/fftools/resources/resman.c:194:1: fatal error: opening dependency file fftools/resources/resman.d: No such file or directory
  194 | }
      | ^
compilation terminated.
make: *** [src/ffbuild/common.mak:81: fftools/resources/resman.o] Error 1
STRIP	ffprobe.exe
make: Target 'all' not remade because of errors.

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

No snowflake in an avalanche ever feels responsible. -- Voltaire
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