x86/swr: replace sse4 instructions in pack_6ch with sse ones

There's no benefit from using blendps here except on CPUs with AVX, where
it's faster than shufps according to Intel's documentation.
As such, rename the sse4 functions to sse/sse2 and use shufps instead.

Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: James Almer <jamrial@gmail.com>
avcodec/aacdec: print extension type when startcode debugging is on

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/aacdec: Add table of profile names

based on tables of aac encoders from libavcodec

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avformat/webpenc: preserve single image VP8X flags

Fixes Ticket4087

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libavutil/ppc/util_altivec.h : fix unaligned_load() vec_unaligned_load() add macros VEC_LD() VEC_MERGEH() VEC_MERGEL() VEC_ST() for POWER LE

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libavcodec/ppc/hpeldsp_altivec.c : fix ff_put_pixels16_altivec() put_no_rnd_pixels16_xy2_altivec() put_no_rnd_pixels8_xy2_altivec() avg_pixels8_altivec() avg_pixels8_xy2_altivec() put_pixels16_xy2_altivec() put_pixels8_xy2_altivec() ff_avg_pixels16_altivec() for POWER LE

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avutil/ppc/util_altivec: make src pointers const, fix warnings

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avutil/ppc/util_altivec: add () to VEC_LD macro arguments

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/mjpegdec: support pix fmt id 0x22111111

Fixes: 4163724_300.jpg

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>