[FFmpeg-devel] [PATCH v13 1/1] avformat: Add IPFS protocol support.

[Mark Gaiser]

On Wed, Apr 13, 2022 at 4:45 PM Hendrik Leppkes <h.leppkes at gmail.com> wrote:

> On Wed, Apr 13, 2022 at 3:14 PM Mark Gaiser <markg85 at gmail.com> wrote:
> >
> > On Wed, Apr 13, 2022 at 2:28 PM Andreas Rheinhardt <
> > andreas.rheinhardt at outlook.com> wrote:
> >
> > > Mark Gaiser:
> > > > On Wed, Apr 13, 2022 at 1:10 AM James Almer <jamrial at gmail.com>
> wrote:
> > > >
> > > >>
> > > >>
> > > >> On 4/12/2022 3:02 PM, Michael Niedermayer wrote:
> > > >>> On Sun, Apr 10, 2022 at 04:41:27PM +0200, Michael Niedermayer
> wrote:
> > > >>>> On Wed, Apr 06, 2022 at 02:00:56PM +0200, Mark Gaiser wrote:
> > > >>>> [...]
> > > >>>>
> > > >>>>> +        if (stat_ret < 0) {
> > > >>>>
> > > >>>>> +            av_log(h, AV_LOG_INFO, "Unable to find IPFS folder.
> We
> > > >> tried:\n");
> > > >>>>> +            av_log(h, AV_LOG_INFO, "- $IPFS_PATH, which was
> > > >> empty.\n");
> > > >>>>> +            av_log(h, AV_LOG_INFO, "- $HOME/.ipfs (full uri: %s)
> > > >> which doesn't exist.\n", ipfs_full_data_folder);
> > > >>>>
> > > >>>> The 3 av_log() can also be combined
> > > >>>>
> > > >>>> If nothing else is found then ill change that myself and apply in
> a
> > > day
> > > >> or 2
> > > >>>
> > > >>> applied
> > > >>>
> > > >>> thx
> > > >>
> > > >> This broke msvc
> > > >>
> > > >>>
> C:/Dev/ffmpeg/fate/x86_32-msvc-MD/src/libavformat/ipfsgateway.c(36):
> > > >> error C2065: 'PATH_MAX': undeclared identifier
> > > >>>
> C:/Dev/ffmpeg/fate/x86_32-msvc-MD/src/libavformat/ipfsgateway.c(36):
> > > >> error C2057: expected constant expression
> > > >>>
> C:/Dev/ffmpeg/fate/x86_32-msvc-MD/src/libavformat/ipfsgateway.c(46):
> > > >> error C2065: 'PATH_MAX': undeclared identifier
> > > >>>
> C:/Dev/ffmpeg/fate/x86_32-msvc-MD/src/libavformat/ipfsgateway.c(46):
> > > >> error C2057: expected constant expression
> > > >>>
> C:/Dev/ffmpeg/fate/x86_32-msvc-MD/src/libavformat/ipfsgateway.c(46):
> > > >> error C2466: cannot allocate an array of constant size 0
> > > >>>
> C:/Dev/ffmpeg/fate/x86_32-msvc-MD/src/libavformat/ipfsgateway.c(46):
> > > >> error C2133: 'ipfs_full_data_folder': unknown size
> > > >>>
> C:/Dev/ffmpeg/fate/x86_32-msvc-MD/src/libavformat/ipfsgateway.c(47):
> > > >> error C2065: 'PATH_MAX': undeclared identifier
> > > >>>
> C:/Dev/ffmpeg/fate/x86_32-msvc-MD/src/libavformat/ipfsgateway.c(47):
> > > >> error C2057: expected constant expression
> > > >>>
> C:/Dev/ffmpeg/fate/x86_32-msvc-MD/src/libavformat/ipfsgateway.c(47):
> > > >> error C2466: cannot allocate an array of constant size 0
> > > >>>
> C:/Dev/ffmpeg/fate/x86_32-msvc-MD/src/libavformat/ipfsgateway.c(47):
> > > >> error C2133: 'ipfs_gateway_file': unknown size
> > > >>
> > > >> PATH_MAX seems to be POSIX only.
> > > >>
> > > >
> > > > Seriously?
> > > >
> > > > Shouldn't that define work on windows too?
> > >
> > > For "that define" to work that define needs to exist. Windows has
> > > MAX_PATH, but it is pretty small (260).
> > >
> > > > And why didn't patchwork catch this?
> > > >
> > >
> > > Because there is no MSVC patchwork box.
> > >
> > > > What is the intended define to use for this?
> > > > Note that it used to be a fixed number in the code itself (4096?)
> but I
> > > > changed it to PATH_MAX as per review suggestions....
> > >
> > > Then how about just adding
> > > #ifndef MAX_PATH
> > > #define MAX_PATH 4096
> > > #endif
> > > or something like that.
> > >
> >
> > I'm fine with that but given past feedback I'll wait a little longer for
> a
> > 2nd opinion too.
> >
>
> master is currently broken, waiting is a luxury for another time.
>

Fine. Patch incoming.


> - Hendrik
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