Re: Playing DASH streams / .mpd files

On Wed, Mar 17, 2021 at 12:13:08PM -0400, The Wanderer wrote:
> Index: configure
> ===================================================================
> --- configure	(revision 38303)
> +++ configure	(working copy)
> @@ -736,6 +736,7 @@
>  _kai=auto
>  _dart=auto
>  _openal=auto
> +_libxml2=auto

Possibly should add a enable/disable option as well?
Might make it easier to test this code without having
to install and uninstall the -dev package.
Also it's pointless if internal FFmpeg is disabled,
maybe have it forced to no in that case?

> +echocheck "libxml2"
> +if test "$_libxml2" = auto; then
> +        cat > $TMPC << EOF
> +#include <libxml/xmlstring.h>
> +int main() {
> +  xmlChar *str = "";
> +  return xmlStrlen(str);
> +}
> +EOF
> +    _libxml2=no
> +    inc_tmp=$($_pkg_config --cflags libxml-2.0)
> +    ld_tmp=$($_pkg_config --libs libxml-2.0)
> +    cc_check $inc_tmp $ld_tmp && _libxml2=yes
> +    if test "$_libxml2" = yes; then

If adding a enable/disable option, this part
probably should go outside of the "auto" if.

> +        extra_ldflags="$extra_ldflags $ld_tmp"
> +        extra_cflags="$extra_cflags $inc_tmp"
> +    fi

Most importantly you would want to remove DASH from here (approx. line 1661):
libavdemuxers=$(filter_out_component demuxer 'AVISYNTH DASH LIB[A-Z0-9_]* REDIR VAPOURSYNTH')
and in the "else" case when libxml2 is disabled do a
libavdemuxers=$(filter_out_component demuxer 'DASH')
Otherwise the patch looks like the right approach, yes.
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