[ITP] ffmpeg (5.1.2)

[Jon Turney]

On 14/02/2023 09:11, Takashi Yano via Cygwin-apps wrote:
> On Mon, 13 Feb 2023 18:28:37 +0000
> Jon Turney wrote:
>> On 06/02/2023 13:53, Takashi Yano via Cygwin-apps wrote:
>>> if [ ${all_codecs} = "yes" ]
>>> then
>>> 	cat <<_EOF_  > ffmpeg-wchar.patch
>>> --- origsrc/ffmpeg-5.1.2/libavcodec/mf_utils.h	2022-07-23 02:58:39.000000000 +0900
>>> +++ src/ffmpeg-5.1.2/libavcodec/mf_utils.h	2023-01-26 12:33:12.745550400 +0900
>>> @@ -29,6 +29,7 @@
>>>    // mf*.h headers below indirectly include strmif.h.)
>>>    #include <icodecapi.h>
>>>    #else
>>> +#include <wchar.h>
>>>    #define NO_DSHOW_STRSAFE
>>>    #include <dshow.h>
>>>    // Older versions of mingw-w64 need codecapi.h explicitly included, while newer
>>> _EOF_
>>> 	PATCH_URI+=" ffmpeg-wchar.patch"
>>> el
>>
>> This seems an odd way to write this. If possible, just apply the patch
>> unconditionally (I assume it doesn't break all_codec=no builds), and
>> treat it normally (i.e. keep it next to the cygport, list it in
>> PATCH_URI, so it gets placed into the source package.)
>>
>> If it's really necessary to only apply the patch in the all_codec=yes
>> case, use src_patch_apply_hook [1].
>>
>> [1]
>> https://cygwin.github.io/cygport/src_prep_cygpart.html#src_patch_apply_hook
>>
>> Otherwise, looks good.
> 
> Patching conditionally is necessary because the target file
> is excluded from free-source tarball (ffmpeg_free_sources)
> if all_codecs != "yes".

Ah, I see.

> I revised the cygport file which uses src_patch_apply_hook()
> as you recommended.

Looks good.