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H264 sei_rotation 竖屏播放支持 #1270
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支持的 用textureview做渲染就好了 |
videoview 是不能支持旋转?我看C代码里面有处理旋转角度的。最终的原理是通知外层设置方向,而不是渲染的时候旋转? |
ffmpeg 能不能支持输出旋转之后的视频帧? |
可以,用filter功能 |
Yes, for ffmpeg. |
只支持软解 |
我看到源代码里定义了下面这个,是不是说目前是disable掉avfilter的? |
Yes, it only works with avcodec. |
But if I set CONFIG_AVFILTER to 1, I get compile error in iOS. |
You need also modify config/module-lite.sh |
In config/module-lite.sh, I can see that "--enable-avcodec". |
--enable-avfilter |
--enable-avfilter is already there. |
Can you show your full build steps and logs? |
when I run ./compile-ffmpeg all, I can see the config as below in which you can check that the avf config: --disable-gpl --disable-nonfree --enable-runtime-cpudetect --disable-gray --disable-swscale-alpha --disable-programs --enable-ffmpeg --disable-ffplay --disable-ffprobe --disable-ffserver --disable-doc --disable-htmlpages --disable-manpages --disable-podpages --disable-txtpages --disable-avdevice --enable-avcodec --enable-avformat --enable-avutil --enable-swresample --enable-swscale --disable-postproc --enable-avfilter --disable-avresample --enable-network --disable-d3d11va --disable-dxva2 --disable-vaapi --disable-vda --disable-vdpau --disable-videotoolbox --disable-encoders --disable-decoders --enable-decoder=aac --enable-decoder=aac_latm --enable-decoder=flv --enable-decoder=h263 --enable-decoder=h263i --enable-decoder=h263p --enable-decoder=h264 --enable-decoder=mp3* --enable-decoder=vp6 --enable-decoder=vp6a --enable-decoder=vp6f --disable-hwaccels --disable-muxers --enable-muxer=mp4 --disable-demuxers --enable-demuxer=aac --enable-demuxer=concat --enable-demuxer=data --enable-demuxer=flv --enable-demuxer=hls --enable-demuxer=live_flv --enable-demuxer=loas --enable-demuxer=m4v --enable-demuxer=mov --enable-demuxer=mp3 --enable-demuxer=mpegps --enable-demuxer=mpegts --enable-demuxer=mpegvideo --disable-parsers --enable-parser=aac --enable-parser=aac_latm --enable-parser=h263 --enable-parser=h264 --enable-bsfs --disable-bsf=mjpeg2jpeg --disable-bsf=mjpeg2jpeg --disable-bsf=mjpega_dump_header --disable-bsf=mov2textsub --disable-bsf=text2movsub --enable-protocols --disable-protocol=async --disable-protocol=bluray --disable-protocol=concat --disable-protocol=ffrtmpcrypt --enable-protocol=ffrtmphttp --disable-protocol=gopher --disable-protocol=icecast --disable-protocol=librtmp* --disable-protocol=libssh --disable-protocol=mmsh --disable-protocol=mmst --disable-protocol=rtmp* --enable-protocol=rtmp --enable-protocol=rtmpt --disable-protocol=rtp --disable-protocol=sctp --disable-protocol=srtp --disable-protocol=unix --disable-devices --enable-filters --disable-iconv --enable-cross-compile --disable-stripping --arch=armv7 --target-os=darwin --enable-static --disable-shared --enable-pic --enable-neon --enable-optimizations --enable-debug --enable-small --prefix=/Users/edward/Desktop/Gitbase/ijkplayer-ios/ios/build/ffmpeg-armv7/output xcrun -sdk iphoneos clang But when I change "#define CONFIG_AVFILTER 0" to "#define CONFIG_AVFILTER 1" and build the IJKDemo using xcode, I got the previous error which says "libavfilter/avcodec.h not found" |
In ijkplayer/ff_ffplay.c, line 56, after I change libavfilter/avcodec.h to libavcodec/avcodec.h, I build it success. From the build log, I suppose that the avcodec.h is install into libavcodec not libavfilter. |
Yes, seems like a bug. |
ijk是否支持根据sei_rotation 来确定渲染画面的方向
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