使用 libx264 在 cygwin 上编译 ffmpeg 时生成错误

发布于 2024-10-14 15:40:58 字数 1393 浏览 6 评论 0 原文

使用以下命令配置 ffmpeg(0.6.1)(使用 x264-snapshot-20101228-2245 快照) Gcc 版本:gcc (GCC) 4.3.4 20090804(发布)

./configure --enable-shared --disable-static --enable-pthreads --enable-libx264 
--enable-gpl --disable-doc --enable-memalign-hack 
--extra-ldflags="-L/usr/local/lib"

,之后,“make”命令给出以下错误。

CC      libavdevice/alldevices.o
CC      libavdevice/avdevice.o
CC      libavdevice/oss_audio.o
CC      libavdevice/vfwcap.o
CC      libavformat/4xm.o
In file included from /usr/include/endian.h:42,
                 from /usr/include/cygwin/types.h:22,
                 from /usr/include/sys/types.h:440,
                 from /usr/include/stdio.h:46,
                 from ./libavutil/common.h:34,
                 from ./libavutil/intreadwrite.h:25,
                 from libavformat/4xm.c:30:
/usr/include/byteswap.h:19: error: redefinition of `bswap_16'
./libavutil/x86/bswap.h:33: error: previous definition of `bswap_16' was here
/usr/include/byteswap.h:25: error: redefinition of `bswap_32'
./libavutil/x86/bswap.h:40: error: previous definition of `bswap_32' was here
/usr/include/byteswap.h:31: error: redefinition of `bswap_64'
./libavutil/bswap.h:70: error: previous definition of `bswap_64' was here
make: *** [libavformat/4xm.o] Error 1
bash: sudo: command not found

我检查了很多显示相同错误的链接,但没有提供解决方案。有人知道谁已经在 cygwin 上构建了 ffmpeg 吗?

configured ffmpeg(0.6.1) with below command (with x264-snapshot-20101228-2245 snapshot)
with Gcc version : gcc (GCC) 4.3.4 20090804 (release)

./configure --enable-shared --disable-static --enable-pthreads --enable-libx264 
--enable-gpl --disable-doc --enable-memalign-hack 
--extra-ldflags="-L/usr/local/lib"

and after that, "make" command is giving below error.

CC      libavdevice/alldevices.o
CC      libavdevice/avdevice.o
CC      libavdevice/oss_audio.o
CC      libavdevice/vfwcap.o
CC      libavformat/4xm.o
In file included from /usr/include/endian.h:42,
                 from /usr/include/cygwin/types.h:22,
                 from /usr/include/sys/types.h:440,
                 from /usr/include/stdio.h:46,
                 from ./libavutil/common.h:34,
                 from ./libavutil/intreadwrite.h:25,
                 from libavformat/4xm.c:30:
/usr/include/byteswap.h:19: error: redefinition of `bswap_16'
./libavutil/x86/bswap.h:33: error: previous definition of `bswap_16' was here
/usr/include/byteswap.h:25: error: redefinition of `bswap_32'
./libavutil/x86/bswap.h:40: error: previous definition of `bswap_32' was here
/usr/include/byteswap.h:31: error: redefinition of `bswap_64'
./libavutil/bswap.h:70: error: previous definition of `bswap_64' was here
make: *** [libavformat/4xm.o] Error 1
bash: sudo: command not found

I checked lot of links showing same error but no solution has been provided. Anybody has any clue who already build ffmpeg on cygwin?

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双马尾 2024-10-21 15:40:58

这是通过使用 修复 bswap 宏的 >av_ 前缀。您应该更新到最新的 git HEAD

This is fixed in FFmpeg GIT by using av_ prefix for bswap macros. You should update to the latest git HEAD.

~没有更多了~
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