On 23/08/14 11:07 AM, Mickaël Raulet wrote: > For 10bits and 12bits, they should stay sse4 as well because of packusdw. You > need some instructions to convert it to ssse3 see below > > > static av_always_inline __m128i _MM_PACKUS_EPI32( __m128i a, __m128i b ) > { > a = _mm_slli_epi32 (a, 16); > a = _mm_srai_epi32 (a, 16); > b = _mm_slli_epi32 (b, 16); > b = _mm_srai_epi32 (b, 16); > a = _mm_packs_epi32 (a, b); > return a; > }
There's a PACK macro in lavfi/x86/yasm-16.asm that does this without intrinsics. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel