On Wed, Oct 11, 2017 at 02:58:22PM +0800, Jun Zhao wrote: > > Makefile | 1 > allfilters.c | 1 > vf_procamp_vaapi.c | 543 > +++++++++++++++++++++++++++++++++++++++++++++++++++++ > 3 files changed, 545 insertions(+) > 4664c5a9c7bc6e6fb86b920c6dcf1cae02d8a92f > 0001-lavfi-add-ProcAmp-color-balance-vaapi-video-filter.patch > From 2c16e1170cb51a1b76dbb758d9b22d734878257b Mon Sep 17 00:00:00 2001 > From: Jun Zhao <jun.z...@intel.com> > Date: Tue, 10 Oct 2017 03:25:33 -0400 > Subject: [PATCH] lavfi: add ProcAmp(color balance) vaapi video filter. > > add ProcAmp(color balance) vaapi video filter, use the option > like -vf "procamp_vaapi=b=10:h=120:c=2.8:s=3.7" to set > brightness/hue/contrast/saturation. > > Signed-off-by: Yun Zhou <yunx.z.z...@intel.com> > Signed-off-by: Jun Zhao <jun.z...@intel.com> > --- > libavfilter/Makefile | 1 + > libavfilter/allfilters.c | 1 + > libavfilter/vf_procamp_vaapi.c | 543 > +++++++++++++++++++++++++++++++++++++++++ > 3 files changed, 545 insertions(+) > create mode 100644 libavfilter/vf_procamp_vaapi.c
this breaks build on x86-32 linux here libavfilter/libavfilter.a(vf_procamp_vaapi.o): In function `procamp_vaapi_filter_frame': linux32/src/libavfilter/vf_procamp_vaapi.c:397: undefined reference to `vaBeginPicture' linux32/src/libavfilter/vf_procamp_vaapi.c:406: undefined reference to `vaCreateBuffer' linux32/src/libavfilter/vf_procamp_vaapi.c:410: undefined reference to `vaErrorStr' linux32/src/libavfilter/vf_procamp_vaapi.c:457: undefined reference to `vaRenderPicture' linux32/src/libavfilter/vf_procamp_vaapi.c:459: undefined reference to `vaEndPicture' linux32/src/libavfilter/vf_procamp_vaapi.c:400: undefined reference to `vaErrorStr' linux32/src/libavfilter/vf_procamp_vaapi.c:418: undefined reference to `vaRenderPicture' linux32/src/libavfilter/vf_procamp_vaapi.c:427: undefined reference to `vaEndPicture' linux32/src/libavfilter/vf_procamp_vaapi.c:421: undefined reference to `vaErrorStr' linux32/src/libavfilter/vf_procamp_vaapi.c:429: undefined reference to `vaErrorStr' linux32/src/libavfilter/vf_procamp_vaapi.c:437: undefined reference to `vaDestroyBuffer' linux32/src/libavfilter/vf_procamp_vaapi.c:439: undefined reference to `vaErrorStr' ... [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Awnsering whenever a program halts or runs forever is On a turing machine, in general impossible (turings halting problem). On any real computer, always possible as a real computer has a finite number of states N, and will either halt in less than N cycles or never halt.
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