avcodec/h264: mark recovery_cnt==0 frames as keyframes

Fixes Ticket3063

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
vfilter/vf_yadif: fix request_frame after 0f9f24c9

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Remove two duplicated named asm constraints.

This fixes compilation of libmpcodecs/vf_fspp.c with gcc and
INLINE_ASM_DIRECT_SYMBOL_REFS disabled.
x86/cavdsp: prevent named constraints appearing twice.
avfilter/edgedetect: make processing functions context free.
avfilter/edgedetect: add a colormix mode.
avfilter/edgedetect: reindent after previous commit.
avfilter/edgedetect: update copyright.
avcodec/ffv1dec: use av_malloc_array()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcdoec/snowenc: use av_mallocz_array()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avfilter/audio: use av_mallocz_array()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Initialize riff and wav size fields to -1 instead of 0.

WMP doess not play the output files if the fields are
set to 0 and not overwritten (using pipe output).

Fixes ticket #3346.