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Bug#968574: marked as done (ffmpeg: Please backport upstream patch to fix build on powerpc and ppc64)

Your message dated Tue, 19 Jan 2021 20:36:29 +0000
with message-id <E1l1xjp-000IHL-SG@fasolo.debian.org>
and subject line Bug#968574: fixed in ffmpeg 7:4.3.1-7
has caused the Debian Bug report #968574,
regarding ffmpeg: Please backport upstream patch to fix build on powerpc and ppc64
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
968574: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=968574
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Source: ffmpeg
Version: 7:4.3.1-2
Severity: important
Tags: patch
User: debian-powerpc@lists.debian.org
Usertags: powerpc ppc64
X-Debbugs-Cc: debian-powerpc@lists.debian.org

Hello!

ffmpeg currently FTBFS on powerpc and ppc64 [1]:

src/libswscale/ppc/yuv2rgb_altivec.c: In function ‘altivec_yuv2_abgr’:
src/libswscale/ppc/yuv2rgb_altivec.c:338:18: error: implicit declaration of function ‘vec_xl’; did you mean ‘vec_rl’? [-Werror=implicit-function-declaration]
  338 |             y0 = vec_xl(0, y1i);                                              \
      |                  ^~~~~~
src/libswscale/ppc/yuv2rgb_altivec.c:437:1: note: in expansion of macro ‘DEFCSP420_CVT’
  437 | DEFCSP420_CVT(yuv2_abgr,  out_abgr)
      | ^~~~~~~~~~~~~
gcc -I. -Isrc/ -Wdate-time -D_FORTIFY_SOURCE=2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -DPIC -DZLIB_CONST -DHAVE_AV_CONFIG_H -DBUILDING_swscale -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -fno-strict-overflow -fstack-protector-all -fPIE   -std=c11 -fomit-frame-pointer -fPIC -maltivec -mabi=altivec -pthread  -I/usr/include/p11-kit-1  -I/usr/include/lilv-0 -I/usr/include/sratom-0 -I/usr/include/sord-0 -I/usr/include/serd-0 -I/usr/include/harfbuzz -I/usr/include/glib-2.0 -I/usr/lib/powerpc64-linux-gnu/glib-2.0/include -I/usr/include/uuid -I/usr/include/fribidi -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/libxml2 -I/usr/include/uuid -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/bs2b    -I/usr/include/libdrm -I/usr/include/uuid -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/fribidi  -I/usr/include/openjpeg-2.3  -I/usr/include/opus -I/usr/include/opus -D_REENTRANT  -pthread -I/usr/include/librsvg-2.0 -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/libmount -I/usr/include/blkid -I/usr/include/cairo -I/usr/include/glib-2.0 -I/usr/lib/powerpc64-linux-gnu/glib-2.0/include -I/usr/include/pixman-1 -I/usr/include/uuid -I/usr/include/freetype2 -I/usr/include/libpng16     -I/usr/include/srt -I/usr/include/p11-kit-1           -isystem /usr/include/mit-krb5 -I/usr/include/pgm-5.2  -I/usr/include/libxml2            -g -Wdeclaration-after-statement -Wall -Wdisabled-optimization -Wpointer-arith -Wredundant-decls -Wwrite-strings -Wtype-limits -Wundef -Wmissing-prototypes -Wno-pointer-to-int-cast -Wstrict-prototypes -Wempty-body -Wno-parentheses -Wno-switch -Wno-format-zero-length -Wno-pointer-sign -Wno-unused-const-variable -Wno-bool-operation -Wno-char-subscripts -O3 -fno-math-errno -fno-signed-zeros -fno-tree-vectorize -Werror=format-security -Werror=implicit-function-declaration -Werror=missing-prototypes -Werror=return-type -Werror=vla -Wformat -fdiagnostics-color=auto -Wno-maybe-uninitialized -D_REENTRANT -I/usr/include/SDL2  -MMD -MF libswscale/swscale_unscaled.d -MT libswscale/swscale_unscaled.o -c -o libswscale/swscale_unscaled.o src/libswscale/swscale_unscaled.c
src/libswscale/ppc/yuv2rgb_altivec.c:338:18: error: incompatible types when assigning to type ‘__vector unsigned char’ {aka ‘__vector(16) unsigned char’} from type ‘int’
  338 |             y0 = vec_xl(0, y1i);                                              \
      |                  ^~~~~~
src/libswscale/ppc/yuv2rgb_altivec.c:437:1: note: in expansion of macro ‘DEFCSP420_CVT’
  437 | DEFCSP420_CVT(yuv2_abgr,  out_abgr)
      | ^~~~~~~~~~~~~
src/libswscale/ppc/yuv2rgb_altivec.c:340:18: error: incompatible types when assigning to type ‘__vector unsigned char’ {aka ‘__vector(16) unsigned char’} from type ‘int’
  340 |             y1 = vec_xl(0, y2i);                                              \
      |                  ^~~~~~
src/libswscale/ppc/yuv2rgb_altivec.c:437:1: note: in expansion of macro ‘DEFCSP420_CVT’
  437 | DEFCSP420_CVT(yuv2_abgr,  out_abgr)
      | ^~~~~~~~~~~~~
src/libswscale/ppc/yuv2rgb_altivec.c:437:1: error: cannot convert a value of type ‘int’ to vector type ‘__vector(16) signed char’ which has different size
src/libswscale/ppc/yuv2rgb_altivec.c:437:1: error: cannot convert a value of type ‘int’ to vector type ‘__vector(16) signed char’ which has different size
src/libswscale/ppc/yuv2rgb_altivec.c: In function ‘altivec_yuv2_bgra’:
src/libswscale/ppc/yuv2rgb_altivec.c:338:18: error: incompatible types when assigning to type ‘__vector unsigned char’ {aka ‘__vector(16) unsigned char’} from type ‘int’
  338 |             y0 = vec_xl(0, y1i);                                              \
      |                  ^~~~~~
src/libswscale/ppc/yuv2rgb_altivec.c:438:1: note: in expansion of macro ‘DEFCSP420_CVT’
  438 | DEFCSP420_CVT(yuv2_bgra,  out_bgra)
      | ^~~~~~~~~~~~~
src/libswscale/ppc/yuv2rgb_altivec.c:340:18: error: incompatible types when assigning to type ‘__vector unsigned char’ {aka ‘__vector(16) unsigned char’} from type ‘int’
  340 |             y1 = vec_xl(0, y2i);                                              \
      |                  ^~~~~~
src/libswscale/ppc/yuv2rgb_altivec.c:438:1: note: in expansion of macro ‘DEFCSP420_CVT’
  438 | DEFCSP420_CVT(yuv2_bgra,  out_bgra)
      | ^~~~~~~~~~~~~
src/libswscale/ppc/yuv2rgb_altivec.c:438:1: error: cannot convert a value of type ‘int’ to vector type ‘__vector(16) signed char’ which has different size
src/libswscale/ppc/yuv2rgb_altivec.c:438:1: error: cannot convert a value of type ‘int’ to vector type ‘__vector(16) signed char’ which has different size
gcc -I. -Isrc/ -Wdate-time -D_FORTIFY_SOURCE=2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -DPIC -DZLIB_CONST -DHAVE_AV_CONFIG_H -DBUILDING_swscale -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -fno-strict-overflow -fstack-protector-all -fPIE   -std=c11 -fomit-frame-pointer -fPIC -maltivec -mabi=altivec -pthread  -I/usr/include/p11-kit-1  -I/usr/include/lilv-0 -I/usr/include/sratom-0 -I/usr/include/sord-0 -I/usr/include/serd-0 -I/usr/include/harfbuzz -I/usr/include/glib-2.0 -I/usr/lib/powerpc64-linux-gnu/glib-2.0/include -I/usr/include/uuid -I/usr/include/fribidi -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/libxml2 -I/usr/include/uuid -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/bs2b    -I/usr/include/libdrm -I/usr/include/uuid -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/fribidi  -I/usr/include/openjpeg-2.3  -I/usr/include/opus -I/usr/include/opus -D_REENTRANT  -pthread -I/usr/include/librsvg-2.0 -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/libmount -I/usr/include/blkid -I/usr/include/cairo -I/usr/include/glib-2.0 -I/usr/lib/powerpc64-linux-gnu/glib-2.0/include -I/usr/include/pixman-1 -I/usr/include/uuid -I/usr/include/freetype2 -I/usr/include/libpng16     -I/usr/include/srt -I/usr/include/p11-kit-1           -isystem /usr/include/mit-krb5 -I/usr/include/pgm-5.2  -I/usr/include/libxml2            -g -Wdeclaration-after-statement -Wall -Wdisabled-optimization -Wpointer-arith -Wredundant-decls -Wwrite-strings -Wtype-limits -Wundef -Wmissing-prototypes -Wno-pointer-to-int-cast -Wstrict-prototypes -Wempty-body -Wno-parentheses -Wno-switch -Wno-format-zero-length -Wno-pointer-sign -Wno-unused-const-variable -Wno-bool-operation -Wno-char-subscripts -O3 -fno-math-errno -fno-signed-zeros -fno-tree-vectorize -Werror=format-security -Werror=implicit-function-declaration -Werror=missing-prototypes -Werror=return-type -Werror=vla -Wformat -fdiagnostics-color=auto -Wno-maybe-uninitialized -D_REENTRANT -I/usr/include/SDL2  -MMD -MF libswscale/utils.d -MT libswscale/utils.o -c -o libswscale/utils.o src/libswscale/utils.c
src/libswscale/ppc/yuv2rgb_altivec.c: In function ‘altivec_yuv2_rgba’:
src/libswscale/ppc/yuv2rgb_altivec.c:338:18: error: incompatible types when assigning to type ‘__vector unsigned char’ {aka ‘__vector(16) unsigned char’} from type ‘int’
  338 |             y0 = vec_xl(0, y1i);                                              \
      |                  ^~~~~~
src/libswscale/ppc/yuv2rgb_altivec.c:439:1: note: in expansion of macro ‘DEFCSP420_CVT’
  439 | DEFCSP420_CVT(yuv2_rgba,  out_rgba)
      | ^~~~~~~~~~~~~
src/libswscale/ppc/yuv2rgb_altivec.c:340:18: error: incompatible types when assigning to type ‘__vector unsigned char’ {aka ‘__vector(16) unsigned char’} from type ‘int’
  340 |             y1 = vec_xl(0, y2i);                                              \
      |                  ^~~~~~
src/libswscale/ppc/yuv2rgb_altivec.c:439:1: note: in expansion of macro ‘DEFCSP420_CVT’
  439 | DEFCSP420_CVT(yuv2_rgba,  out_rgba)
      | ^~~~~~~~~~~~~
src/libswscale/ppc/yuv2rgb_altivec.c:439:1: error: cannot convert a value of type ‘int’ to vector type ‘__vector(16) signed char’ which has different size
src/libswscale/ppc/yuv2rgb_altivec.c:439:1: error: cannot convert a value of type ‘int’ to vector type ‘__vector(16) signed char’ which has different size
src/libswscale/ppc/yuv2rgb_altivec.c: In function ‘altivec_yuv2_argb’:
src/libswscale/ppc/yuv2rgb_altivec.c:338:18: error: incompatible types when assigning to type ‘__vector unsigned char’ {aka ‘__vector(16) unsigned char’} from type ‘int’
  338 |             y0 = vec_xl(0, y1i);                                              \
      |                  ^~~~~~
src/libswscale/ppc/yuv2rgb_altivec.c:440:1: note: in expansion of macro ‘DEFCSP420_CVT’
  440 | DEFCSP420_CVT(yuv2_argb,  out_argb)
      | ^~~~~~~~~~~~~
src/libswscale/ppc/yuv2rgb_altivec.c:340:18: error: incompatible types when assigning to type ‘__vector unsigned char’ {aka ‘__vector(16) unsigned char’} from type ‘int’
  340 |             y1 = vec_xl(0, y2i);                                              \
      |                  ^~~~~~
src/libswscale/ppc/yuv2rgb_altivec.c:440:1: note: in expansion of macro ‘DEFCSP420_CVT’
  440 | DEFCSP420_CVT(yuv2_argb,  out_argb)
      | ^~~~~~~~~~~~~
src/libswscale/ppc/yuv2rgb_altivec.c:440:1: error: cannot convert a value of type ‘int’ to vector type ‘__vector(16) signed char’ which has different size
src/libswscale/ppc/yuv2rgb_altivec.c:440:1: error: cannot convert a value of type ‘int’ to vector type ‘__vector(16) signed char’ which has different size
src/libswscale/ppc/yuv2rgb_altivec.c: In function ‘altivec_yuv2_rgb24’:
src/libswscale/ppc/yuv2rgb_altivec.c:338:18: error: incompatible types when assigning to type ‘__vector unsigned char’ {aka ‘__vector(16) unsigned char’} from type ‘int’
  338 |             y0 = vec_xl(0, y1i);                                              \
      |                  ^~~~~~
src/libswscale/ppc/yuv2rgb_altivec.c:441:1: note: in expansion of macro ‘DEFCSP420_CVT’
  441 | DEFCSP420_CVT(yuv2_rgb24, out_rgb24)
      | ^~~~~~~~~~~~~
src/libswscale/ppc/yuv2rgb_altivec.c:340:18: error: incompatible types when assigning to type ‘__vector unsigned char’ {aka ‘__vector(16) unsigned char’} from type ‘int’
  340 |             y1 = vec_xl(0, y2i);                                              \
      |                  ^~~~~~
src/libswscale/ppc/yuv2rgb_altivec.c:441:1: note: in expansion of macro ‘DEFCSP420_CVT’
  441 | DEFCSP420_CVT(yuv2_rgb24, out_rgb24)
      | ^~~~~~~~~~~~~
src/libswscale/ppc/yuv2rgb_altivec.c:441:1: error: cannot convert a value of type ‘int’ to vector type ‘__vector(16) signed char’ which has different size
src/libswscale/ppc/yuv2rgb_altivec.c:441:1: error: cannot convert a value of type ‘int’ to vector type ‘__vector(16) signed char’ which has different size
src/libswscale/ppc/yuv2rgb_altivec.c: In function ‘altivec_yuv2_bgr24’:
src/libswscale/ppc/yuv2rgb_altivec.c:338:18: error: incompatible types when assigning to type ‘__vector unsigned char’ {aka ‘__vector(16) unsigned char’} from type ‘int’
  338 |             y0 = vec_xl(0, y1i);                                              \
      |                  ^~~~~~
src/libswscale/ppc/yuv2rgb_altivec.c:442:1: note: in expansion of macro ‘DEFCSP420_CVT’
  442 | DEFCSP420_CVT(yuv2_bgr24, out_bgr24)
      | ^~~~~~~~~~~~~
src/libswscale/ppc/yuv2rgb_altivec.c:340:18: error: incompatible types when assigning to type ‘__vector unsigned char’ {aka ‘__vector(16) unsigned char’} from type ‘int’
  340 |             y1 = vec_xl(0, y2i);                                              \
      |                  ^~~~~~
src/libswscale/ppc/yuv2rgb_altivec.c:442:1: note: in expansion of macro ‘DEFCSP420_CVT’
  442 | DEFCSP420_CVT(yuv2_bgr24, out_bgr24)
      | ^~~~~~~~~~~~~
src/libswscale/ppc/yuv2rgb_altivec.c:442:1: error: cannot convert a value of type ‘int’ to vector type ‘__vector(16) signed char’ which has different size
src/libswscale/ppc/yuv2rgb_altivec.c:442:1: error: cannot convert a value of type ‘int’ to vector type ‘__vector(16) signed char’ which has different size
gcc -I. -Isrc/ -Wdate-time -D_FORTIFY_SOURCE=2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -DPIC -DZLIB_CONST -DHAVE_AV_CONFIG_H -DBUILDING_swscale -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -fno-strict-overflow -fstack-protector-all -fPIE   -std=c11 -fomit-frame-pointer -fPIC -maltivec -mabi=altivec -pthread  -I/usr/include/p11-kit-1  -I/usr/include/lilv-0 -I/usr/include/sratom-0 -I/usr/include/sord-0 -I/usr/include/serd-0 -I/usr/include/harfbuzz -I/usr/include/glib-2.0 -I/usr/lib/powerpc64-linux-gnu/glib-2.0/include -I/usr/include/uuid -I/usr/include/fribidi -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/libxml2 -I/usr/include/uuid -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/bs2b    -I/usr/include/libdrm -I/usr/include/uuid -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/fribidi  -I/usr/include/openjpeg-2.3  -I/usr/include/opus -I/usr/include/opus -D_REENTRANT  -pthread -I/usr/include/librsvg-2.0 -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/libmount -I/usr/include/blkid -I/usr/include/cairo -I/usr/include/glib-2.0 -I/usr/lib/powerpc64-linux-gnu/glib-2.0/include -I/usr/include/pixman-1 -I/usr/include/uuid -I/usr/include/freetype2 -I/usr/include/libpng16     -I/usr/include/srt -I/usr/include/p11-kit-1           -isystem /usr/include/mit-krb5 -I/usr/include/pgm-5.2  -I/usr/include/libxml2            -g -Wdeclaration-after-statement -Wall -Wdisabled-optimization -Wpointer-arith -Wredundant-decls -Wwrite-strings -Wtype-limits -Wundef -Wmissing-prototypes -Wno-pointer-to-int-cast -Wstrict-prototypes -Wempty-body -Wno-parentheses -Wno-switch -Wno-format-zero-length -Wno-pointer-sign -Wno-unused-const-variable -Wno-bool-operation -Wno-char-subscripts -O3 -fno-math-errno -fno-signed-zeros -fno-tree-vectorize -Werror=format-security -Werror=implicit-function-declaration -Werror=missing-prototypes -Werror=return-type -Werror=vla -Wformat -fdiagnostics-color=auto -Wno-maybe-uninitialized -D_REENTRANT -I/usr/include/SDL2  -MMD -MF libswscale/vscale.d -MT libswscale/vscale.o -c -o libswscale/vscale.o src/libswscale/vscale.c
gcc -I. -Isrc/ -Wdate-time -D_FORTIFY_SOURCE=2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -DPIC -DZLIB_CONST -DHAVE_AV_CONFIG_H -DBUILDING_swscale -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -fno-strict-overflow -fstack-protector-all -fPIE   -std=c11 -fomit-frame-pointer -fPIC -maltivec -mabi=altivec -pthread  -I/usr/include/p11-kit-1  -I/usr/include/lilv-0 -I/usr/include/sratom-0 -I/usr/include/sord-0 -I/usr/include/serd-0 -I/usr/include/harfbuzz -I/usr/include/glib-2.0 -I/usr/lib/powerpc64-linux-gnu/glib-2.0/include -I/usr/include/uuid -I/usr/include/fribidi -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/libxml2 -I/usr/include/uuid -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/bs2b    -I/usr/include/libdrm -I/usr/include/uuid -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/fribidi  -I/usr/include/openjpeg-2.3  -I/usr/include/opus -I/usr/include/opus -D_REENTRANT  -pthread -I/usr/include/librsvg-2.0 -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/libmount -I/usr/include/blkid -I/usr/include/cairo -I/usr/include/glib-2.0 -I/usr/lib/powerpc64-linux-gnu/glib-2.0/include -I/usr/include/pixman-1 -I/usr/include/uuid -I/usr/include/freetype2 -I/usr/include/libpng16     -I/usr/include/srt -I/usr/include/p11-kit-1           -isystem /usr/include/mit-krb5 -I/usr/include/pgm-5.2  -I/usr/include/libxml2            -g -Wdeclaration-after-statement -Wall -Wdisabled-optimization -Wpointer-arith -Wredundant-decls -Wwrite-strings -Wtype-limits -Wundef -Wmissing-prototypes -Wno-pointer-to-int-cast -Wstrict-prototypes -Wempty-body -Wno-parentheses -Wno-switch -Wno-format-zero-length -Wno-pointer-sign -Wno-unused-const-variable -Wno-bool-operation -Wno-char-subscripts -O3 -fno-math-errno -fno-signed-zeros -fno-tree-vectorize -Werror=format-security -Werror=implicit-function-declaration -Werror=missing-prototypes -Werror=return-type -Werror=vla -Wformat -fdiagnostics-color=auto -Wno-maybe-uninitialized -D_REENTRANT -I/usr/include/SDL2  -MMD -MF libswscale/yuv2rgb.d -MT libswscale/yuv2rgb.o -c -o libswscale/yuv2rgb.o src/libswscale/yuv2rgb.c
cc1: some warnings being treated as errors
make[2]: *** [/<<PKGBUILDDIR>>/ffbuild/common.mak:59: libswscale/ppc/yuv2rgb_altivec.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[2]: Leaving directory '/<<PKGBUILDDIR>>/debian/standard'

Upstream has a patch for that, see [2]. Could you backport that patch?

Thanks,
Adrian

> [1] https://buildd.debian.org/status/fetch.php?pkg=ffmpeg&arch=ppc64&ver=7%3A4.3.1-2&stamp=1597687204&raw=0
> [2] https://trac.ffmpeg.org/ticket/8750

--
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer - glaubitz@debian.org
`. `'   Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de
  `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913

diff --git a/libswscale/ppc/yuv2rgb_altivec.c b/libswscale/ppc/yuv2rgb_altivec.c
index 536545293d..930ef6b98f 100644
--- a/libswscale/ppc/yuv2rgb_altivec.c
+++ b/libswscale/ppc/yuv2rgb_altivec.c
@@ -283,6 +283,16 @@ static inline void cvtyuvtoRGB(SwsContext *c, vector signed short Y,
  * ------------------------------------------------------------------------------
  */

+#if !HAVE_VSX
+static inline vector unsigned char vec_xl(signed long long offset, const ubyte *addr)
+{
+    const vector unsigned char *v_addr = (const vector unsigned char *) (addr + offset);
+    vector unsigned char align_perm = vec_lvsl(offset, addr);
+
+    return (vector unsigned char) vec_perm(v_addr[0], v_addr[1], align_perm);
+}
+#endif /* !HAVE_VSX */
+
 #define DEFCSP420_CVT(name, out_pixels)                                       \
 static int altivec_ ## name(SwsContext *c, const unsigned char **in,          \
                             int *instrides, int srcSliceY, int srcSliceH,     \

--- End Message ---
--- Begin Message --- 
Source: ffmpeg
Source-Version: 7:4.3.1-7
Done: Sebastian Ramacher <sramacher@debian.org>

We believe that the bug you reported is fixed in the latest version of
ffmpeg, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 968574@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Sebastian Ramacher <sramacher@debian.org> (supplier of updated ffmpeg package)

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Format: 1.8
Date: Tue, 19 Jan 2021 20:36:50 +0100
Source: ffmpeg
Architecture: source
Version: 7:4.3.1-7
Distribution: unstable
Urgency: medium
Maintainer: Debian Multimedia Maintainers <debian-multimedia@lists.debian.org>
Changed-By: Sebastian Ramacher <sramacher@debian.org>
Closes: 968574 972556 975988
Changes:
 ffmpeg (7:4.3.1-7) unstable; urgency=medium
 .
   * Team upload
 .
   [ Vasyl Gello ]
   * Keep libfreetype6-dev as alternative dep for buster-bpo
 .
   [ Sebastian Ramacher ]
   * debian/patches:
     - Apply upstream patches for srt 1.4.1
     - Fix build on powerpc and ppc64 (Closes: #968574)
   * debian/: Revert "Temporarily disable srt support" (Closes: #975988,
     #972556)
Checksums-Sha1:
 c189a5ac552f61c5fc7d104bc9031aacbb5fc347 5407 ffmpeg_4.3.1-7.dsc
 31741a296d448cdad6c8a4eb089b3ac3e3dbdf6d 92932 ffmpeg_4.3.1-7.debian.tar.xz
Checksums-Sha256:
 24f4e106c03cd2ddd01076eca38b1a88b5114d3cf50d1ca5e5149f960a2f60a3 5407 ffmpeg_4.3.1-7.dsc
 a1c2705847ce99f4cbfdaa91a1c18e17c77a18bf42d828799fb0a81455b6b714 92932 ffmpeg_4.3.1-7.debian.tar.xz
Files:
 2a88772df03a02637f1df9bf9af4a44b 5407 video optional ffmpeg_4.3.1-7.dsc
 28705def5f3a39c9ff049951022de6e6 92932 video optional ffmpeg_4.3.1-7.debian.tar.xz

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