[FFmpeg-devel] [PATCH] avcodec/qsv: export session management functionality

nablet developer sdk at nablet.com
Wed Apr 13 10:18:16 CEST 2016


> On 13 Apr 2016, at 14:16, Hendrik Leppkes <h.leppkes at gmail.com> wrote:
> 
> On Thu, Apr 7, 2016 at 5:44 PM, nablet developer <sdk at nablet.com> wrote:
>> 
>> +/**
>> + * Initialize a MSDK session
>> + *
>> + * Media SDK is based on sessions, so this is the prerequisite
>> + * initialization for HW acceleration.  For Windows the session is
>> + * complete and ready to use, for Linux a display handle is
>> + * required.  For releases of Media Server Studio >= 2015 R4 the
>> + * render nodes interface is preferred (/dev/dri/renderD).
>> + * Using Media Server Studio 2015 R4 or newer is recommended
>> + * but the older /dev/dri/card interface is also searched
>> + * for broader compatibility.
>> + *
>> + * @param avccl pointer to AVClass, uses for logging
>> + * @param qs    the MSDK session used
>> + * @param load_plugins  list of hexadecimal plug-in UIDs delimeted by colons.
>> + */
>> +int av_qsv_init_session(AVClass *avccl, AVQSVSession *qs,
>> +                        const char *load_plugins);
> 
> This looks wrong, we don't pass pointers to an AVClass around. The
> logging functions want a pointer to a pointer to a AVClass either way
> (ie. a AVClass pointer embedded in another struct)
> If you want to pass a generic logging context, make it accept a void*,
> not AVClass.
> 
> The same for all other methods where this applies.

thanks, roger that. I'll correct that today and prepare & send new patch.

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