Andrew Sayers:
> The actual value is an int64_t, and is accessed elsewhere as 
> AV_OPT_TYPE_INT64.
> 
> Accessing it as INT will likely cause bugs on some 32-bit architectures.

Whether this works or not will depend upon endianness, not on whether
the architecture is 32-bit (as long as int is 32bits, which is mostly
true for 64-bit architectures).

> ---
>  libavfilter/af_afade.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/libavfilter/af_afade.c b/libavfilter/af_afade.c
> index 3a45873460..c79271ec92 100644
> --- a/libavfilter/af_afade.c
> +++ b/libavfilter/af_afade.c
> @@ -452,8 +452,8 @@ const AVFilter ff_af_afade = {
>  #if CONFIG_ACROSSFADE_FILTER
>  
>  static const AVOption acrossfade_options[] = {
> -    { "nb_samples",   "set number of samples for cross fade duration", 
> OFFSET(nb_samples),   AV_OPT_TYPE_INT,    {.i64 = 44100}, 1, INT32_MAX/10, 
> FLAGS },
> -    { "ns",           "set number of samples for cross fade duration", 
> OFFSET(nb_samples),   AV_OPT_TYPE_INT,    {.i64 = 44100}, 1, INT32_MAX/10, 
> FLAGS },
> +    { "nb_samples",   "set number of samples for cross fade duration", 
> OFFSET(nb_samples),   AV_OPT_TYPE_INT64,  {.i64 = 44100}, 1, INT32_MAX/10, 
> FLAGS },
> +    { "ns",           "set number of samples for cross fade duration", 
> OFFSET(nb_samples),   AV_OPT_TYPE_INT64,  {.i64 = 44100}, 1, INT32_MAX/10, 
> FLAGS },
>      { "duration",     "set cross fade duration",                       
> OFFSET(duration),     AV_OPT_TYPE_DURATION, {.i64 = 0 },  0, 60000000, FLAGS 
> },
>      { "d",            "set cross fade duration",                       
> OFFSET(duration),     AV_OPT_TYPE_DURATION, {.i64 = 0 },  0, 60000000, FLAGS 
> },
>      { "overlap",      "overlap 1st stream end with 2nd stream start",  
> OFFSET(overlap),      AV_OPT_TYPE_BOOL,   {.i64 = 1    }, 0,  1, FLAGS },

LGTM. How did you find this?

- Andreas

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