[FFmpeg-devel] [PATCH 1/4] avfilter/avf_showcwt: Check av_parse_video_rate() for failure

[FFmpeg-devel] [PATCH 1/4] avfilter/avf_showcwt: Check av_parse_video_rate() for failure

[Michael Niedermayer]

Fixes: CID1539147 Unused value

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavfilter/avf_showcwt.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavfilter/avf_showcwt.c b/libavfilter/avf_showcwt.c
index 24d16d9075d..89a019a0d41 100644
--- a/libavfilter/avf_showcwt.c
+++ b/libavfilter/avf_showcwt.c
@@ -1028,6 +1028,8 @@ static int config_output(AVFilterLink *outlink)
     s->auto_frame_rate = av_make_q(inlink->sample_rate, s->hop_size);
     if (strcmp(s->rate_str, "auto")) {
         ret = av_parse_video_rate(&s->frame_rate, s->rate_str);
+        if (ret < 0)
+            return ret;
     } else {
         s->frame_rate = s->auto_frame_rate;
     }
-- 
2.45.2

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[FFmpeg-devel] [PATCH 2/4] avfilter/drawutils: Fix depthb computation

[Michael Niedermayer]

Fixes: CID1496940 Logically dead code

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavfilter/drawutils.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavfilter/drawutils.c b/libavfilter/drawutils.c
index 1081938d867..95525d38b40 100644
--- a/libavfilter/drawutils.c
+++ b/libavfilter/drawutils.c
@@ -61,6 +61,7 @@ int ff_fill_rgba_map(uint8_t *rgba_map, enum AVPixelFormat pix_fmt)
 
             had0 |= pos == 0;
             rgba_map[i] = pos;
+            depthb = db;
         }
 
         if (desc->nb_components == 3)
-- 
2.45.2

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[FFmpeg-devel] [PATCH 3/4] avfilter/qsvvpp: Remove unreachable code

[Michael Niedermayer]

Fixes: CID1598548 Logically dead code

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavfilter/qsvvpp.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/libavfilter/qsvvpp.c b/libavfilter/qsvvpp.c
index 1c9773df099..6adf9f6e841 100644
--- a/libavfilter/qsvvpp.c
+++ b/libavfilter/qsvvpp.c
@@ -1099,11 +1099,6 @@ int ff_qsvvpp_create_mfx_session(void *ctx,
     if (sts < 0)
         return ff_qsvvpp_print_error(ctx, sts,
                                      "Error creating a MFX session");
-    else if (sts > 0) {
-        ff_qsvvpp_print_warning(ctx, sts,
-                                "Warning in MFX session creation");
-        return AVERROR_UNKNOWN;
-    }
 
     *psession = session;
 
-- 
2.45.2

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Re: [FFmpeg-devel] [PATCH 3/4] avfilter/qsvvpp: Remove unreachable code

[Xiang, Haihao]

On Di, 2024-06-11 at 23:59 +0200, Michael Niedermayer wrote:
> Fixes: CID1598548 Logically dead code
> 
> Sponsored-by: Sovereign Tech Fund
> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
> ---
>  libavfilter/qsvvpp.c | 5 -----
>  1 file changed, 5 deletions(-)
> 
> diff --git a/libavfilter/qsvvpp.c b/libavfilter/qsvvpp.c
> index 1c9773df099..6adf9f6e841 100644
> --- a/libavfilter/qsvvpp.c
> +++ b/libavfilter/qsvvpp.c
> @@ -1099,11 +1099,6 @@ int ff_qsvvpp_create_mfx_session(void *ctx,
>      if (sts < 0)
>          return ff_qsvvpp_print_error(ctx, sts,
>                                       "Error creating a MFX session");
> -    else if (sts > 0) {
> -        ff_qsvvpp_print_warning(ctx, sts,
> -                                "Warning in MFX session creation");
> -        return AVERROR_UNKNOWN;
> -    }
>  
>      *psession = session;
>  

LGTM, thx

-Haihao

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Re: [FFmpeg-devel] [PATCH 3/4] avfilter/qsvvpp: Remove unreachable code

[Michael Niedermayer]

[-- Attachment #1.1: Type: text/plain, Size: 1230 bytes --]

On Wed, Jun 12, 2024 at 08:19:17AM +0000, Xiang, Haihao wrote:
> On Di, 2024-06-11 at 23:59 +0200, Michael Niedermayer wrote:
> > Fixes: CID1598548 Logically dead code
> > 
> > Sponsored-by: Sovereign Tech Fund
> > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
> > ---
> >  libavfilter/qsvvpp.c | 5 -----
> >  1 file changed, 5 deletions(-)
> > 
> > diff --git a/libavfilter/qsvvpp.c b/libavfilter/qsvvpp.c
> > index 1c9773df099..6adf9f6e841 100644
> > --- a/libavfilter/qsvvpp.c
> > +++ b/libavfilter/qsvvpp.c
> > @@ -1099,11 +1099,6 @@ int ff_qsvvpp_create_mfx_session(void *ctx,
> >      if (sts < 0)
> >          return ff_qsvvpp_print_error(ctx, sts,
> >                                       "Error creating a MFX session");
> > -    else if (sts > 0) {
> > -        ff_qsvvpp_print_warning(ctx, sts,
> > -                                "Warning in MFX session creation");
> > -        return AVERROR_UNKNOWN;
> > -    }
> >  
> >      *psession = session;
> >  
> 
> LGTM, thx

will apply

thx

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

The educated differ from the uneducated as much as the living from the
dead. -- Aristotle 

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[FFmpeg-devel] [PATCH 4/4] avfilter/vf_avgblur: Check plane instead of AVFrame

[Michael Niedermayer]

Fixes: CID1551694 Use after free (false positive based on assuming that out == in and one is freed and one used)

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavfilter/vf_avgblur.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/vf_avgblur.c b/libavfilter/vf_avgblur.c
index ced0a2ac282..cbaeb974e5d 100644
--- a/libavfilter/vf_avgblur.c
+++ b/libavfilter/vf_avgblur.c
@@ -288,7 +288,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
         const int width = s->planewidth[plane];
 
         if (!(s->planes & (1 << plane))) {
-            if (out != in)
+            if (out->data[plane] != in->data[plane])
                 av_image_copy_plane(out->data[plane], out->linesize[plane],
                                     in->data[plane], in->linesize[plane],
                                     width * ((s->depth + 7) / 8), height);
-- 
2.45.2

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Re: [FFmpeg-devel] [PATCH 1/4] avfilter/avf_showcwt: Check av_parse_video_rate() for failure

[Michael Niedermayer]

[-- Attachment #1.1: Type: text/plain, Size: 651 bytes --]

On Tue, Jun 11, 2024 at 11:59:03PM +0200, Michael Niedermayer wrote:
> Fixes: CID1539147 Unused value
> 
> Sponsored-by: Sovereign Tech Fund
> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
> ---
>  libavfilter/avf_showcwt.c | 2 ++
>  1 file changed, 2 insertions(+)

will apply remaining patches of set

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The day soldiers stop bringing you their problems is the day you have stopped 
leading them. They have either lost confidence that you can help or concluded 
you do not care. Either case is a failure of leadership. - Colin Powell

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