[FFmpeg-user] Unable to build ffmpeg-4.0 on fedora 20 release

[Mark Thompson]

On 27/04/18 02:28, JD wrote:
> On 04/26/2018 06:56 PM, Kieran O Leary wrote:
>> On Fri, 27 Apr 2018, 01:29 JD, <jd1008 at gmail.com> wrote:
>>
>>> I would like to send the make output file to someone
>>> who might want to look at all the warnings (deprecated calls), and errors.
>>> Would someone please tell me where to upload the file or who to send it to.
>>
>> Can you not paste it into an email,or perhaps attach it if it is huge and
>> maybe copy paste the last few relevant lines into the body of the email?
> OK, here are the errors:
> 
> libavutil/hwcontext_vaapi.c:1169:5: error: unknown type name ‘VABufferInfo’
>      VABufferInfo buffer_info;
>      ^
> libavutil/hwcontext_vaapi.c: In function ‘vaapi_unmap_to_drm_abh’:
> libavutil/hwcontext_vaapi.c:1189:5: error: implicit declaration of function ‘vaReleaseBufferHandle’ [-Werror=implicit-function-declaration]
>      vas = vaReleaseBufferHandle(hwctx->display, mapping->image.buf);
>      ^
> libavutil/hwcontext_vaapi.c: In function ‘vaapi_map_to_drm_abh’:
> libavutil/hwcontext_vaapi.c:1246:25: error: request for member ‘mem_type’ in something not a structure or union
>      mapping->buffer_info.mem_type =
>                          ^
> libavutil/hwcontext_vaapi.c:1284:5: error: implicit declaration of function ‘vaAcquireBufferHandle’ [-Werror=implicit-function-declaration]
>      vas = vaAcquireBufferHandle(hwctx->display, mapping->image.buf,
>      ^
> libavutil/hwcontext_vaapi.c:1296:32: error: request for member ‘handle’ in something not a structure or union
>             mapping->buffer_info.handle);
>                                 ^
> libavutil/hwcontext_vaapi.c:1300:37: error: request for member ‘handle’ in something not a structure or union
>          .fd   = mapping->buffer_info.handle,
>                                      ^
> cc1: some warnings being treated as errors
> make: *** [libavutil/hwcontext_vaapi.o] Error 1
> 
> I know fc20 is unsupported, I do not want to upgrade it.

Fixed for 4.0.1: <http://git.videolan.org/?p=ffmpeg.git;a=commit;h=44cb6474770e6603913cb76e3be4278f663aad3e>.

If you don't need VAAPI then you can work around it using --disable-vaapi (or --disable-autodetect).

Thanks,

- Mark