[FFmpeg-devel] [PATCH v10 1/3] avutil/log: Add log flag AV_LOG_PRINT_MEMADDRESSES

softworkz . softworkz at hotmail.com
Thu Apr 10 21:06:22 EEST 2025



> -----Original Message-----
> From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of
> Andreas Rheinhardt
> Sent: Donnerstag, 10. April 2025 09:39
> To: ffmpeg-devel at ffmpeg.org
> Subject: Re: [FFmpeg-devel] [PATCH v10 1/3] avutil/log: Add log flag
> AV_LOG_PRINT_MEMADDRESSES
> 
> softworkz:
> > From: softworkz <softworkz at hotmail.com>
> >
> > which is controls prefix formatting. With this flag set, the prefix is
> > printed without the memory address, otherwise it is included.
> >
> > Signed-off-by: softworkz <softworkz at hotmail.com>
> > ---
> >  doc/APIchanges      | 3 +++
> >  libavutil/log.c     | 6 ++++--
> >  libavutil/log.h     | 5 +++++
> >  libavutil/version.h | 2 +-
> >  4 files changed, 13 insertions(+), 3 deletions(-)
> >
> > diff --git a/doc/APIchanges b/doc/APIchanges
> > index 65bf5a9419..db832f8b19 100644
> > --- a/doc/APIchanges
> > +++ b/doc/APIchanges
> > @@ -1,5 +1,8 @@
> >  The last version increases of all libraries were on 2025-03-28
> >
> > +2025-03-xx - xxxxxxxxxx - lavu 60.2.100 - log.h
> > +  Add flag AV_LOG_NO_PRINT_MEMADDRESS
> > +
> >  API changes, most recent first:
> >
> >  2025-04-07 - 19e9a203b7 - lavu 60.01.100 - dict.h
> > diff --git a/libavutil/log.c b/libavutil/log.c
> > index c5ee876a88..1949a797e7 100644
> > --- a/libavutil/log.c
> > +++ b/libavutil/log.c
> > @@ -327,16 +327,18 @@ static void format_line(void *avcl, int level,
> const char *fmt, va_list vl,
> >
> >      if(type) type[0] = type[1] = AV_CLASS_CATEGORY_NA + 16;
> >      if (*print_prefix && avc) {
> > +        const char *p_fmt = flags & AV_LOG_NO_PRINT_MEMADDRESS ?
> "[%s] " : "[%s @ %p] ";
> > +
> >          if (avc->parent_log_context_offset) {
> >              AVClass** parent = *(AVClass ***) (((uint8_t *) avcl) +
> >                                     avc->parent_log_context_offset);
> >              if (parent && *parent) {
> > -                av_bprintf(part+0, "[%s @ %p] ",
> > +                av_bprintf(part+0, p_fmt,
> >                             item_name(parent, *parent), parent);
> >                  if(type) type[0] = get_category(parent);
> >              }
> >          }
> > -        av_bprintf(part+1, "[%s @ %p] ",
> > +        av_bprintf(part+1, p_fmt,
> >                     item_name(avcl, avc), avcl);
> >          if(type) type[1] = get_category(avcl);
> >      }
> > diff --git a/libavutil/log.h b/libavutil/log.h
> > index dd094307ce..499c5d71ab 100644
> > --- a/libavutil/log.h
> > +++ b/libavutil/log.h
> > @@ -416,6 +416,11 @@ int av_log_format_line2(void *ptr, int level,
> const char *fmt, va_list vl,
> >   */
> >  #define AV_LOG_PRINT_DATETIME 8
> >
> > +/**
> > + * Do not print memory addresses of context instances.
> > + */
> > +#define AV_LOG_NO_PRINT_MEMADDRESS 16
> > +
> >  void av_log_set_flags(int arg);
> >  int av_log_get_flags(void);
> >
> > diff --git a/libavutil/version.h b/libavutil/version.h
> > index 5139883569..4717cd562b 100644
> > --- a/libavutil/version.h
> > +++ b/libavutil/version.h
> > @@ -79,7 +79,7 @@
> >   */
> >
> >  #define LIBAVUTIL_VERSION_MAJOR  60
> > -#define LIBAVUTIL_VERSION_MINOR   1
> > +#define LIBAVUTIL_VERSION_MINOR   2
> >  #define LIBAVUTIL_VERSION_MICRO 100
> >
> >  #define LIBAVUTIL_VERSION_INT
> AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
> 
> The commit message needs an update.
> 
> - Andreas
> 
> _______________________________________________

Thanks! Fixed locally.




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