Message ID | 20230616072723.1885-1-tong1.wu@intel.com |
---|---|
State | New |
Headers | show |
Series | [FFmpeg-devel] avutil/hwcontext_qsv: register free function for device_derive | expand |
Context | Check | Description |
---|---|---|
yinshiyou/make_loongarch64 | success | Make finished |
yinshiyou/make_fate_loongarch64 | success | Make fate finished |
andriy/make_x86 | success | Make finished |
andriy/make_fate_x86 | success | Make fate finished |
On Vr, 2023-06-16 at 15:27 +0800, Tong Wu wrote: > When qsv device is created by device_derive, the ctx->free function is > not registered, causing potential memory leak because of not properly > closing the MFX session. > > Signed-off-by: Tong Wu <tong1.wu@intel.com> > Signed-off-by: Wenbin Chen <wenbin.chen@intel.com> > --- > libavutil/hwcontext_qsv.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/libavutil/hwcontext_qsv.c b/libavutil/hwcontext_qsv.c > index 4ed4242ddf..713dc90ffd 100644 > --- a/libavutil/hwcontext_qsv.c > +++ b/libavutil/hwcontext_qsv.c > @@ -2094,6 +2094,9 @@ static int qsv_device_derive(AVHWDeviceContext *ctx, > AVDictionary *opts, int flags) > { > mfxIMPL impl; > + > + ctx->free = qsv_device_free; ctx->user_opaque is NULL, which might cause segmentation fault in qsv_device_free(). Thanks Haihao > + > impl = choose_implementation("hw_any", child_device_ctx->type); > return qsv_device_derive_from_child(ctx, impl, > child_device_ctx, flags);
diff --git a/libavutil/hwcontext_qsv.c b/libavutil/hwcontext_qsv.c index 4ed4242ddf..713dc90ffd 100644 --- a/libavutil/hwcontext_qsv.c +++ b/libavutil/hwcontext_qsv.c @@ -2094,6 +2094,9 @@ static int qsv_device_derive(AVHWDeviceContext *ctx, AVDictionary *opts, int flags) { mfxIMPL impl; + + ctx->free = qsv_device_free; + impl = choose_implementation("hw_any", child_device_ctx->type); return qsv_device_derive_from_child(ctx, impl, child_device_ctx, flags);