fft: add missing const.

This table was the largest object in FFmpeg's .data,
and really should be in .rodata.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
oggdec: fix invalid free on error

The read_packet callback passes a pointer to a stack-allocated AVPacket.
Attempting to free it with av_free() makes no sense.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avformat/dfa: use avio_feof()

Signed-off-by: Paul B Mahol <onemda@gmail.com>
xv.c: Add missing const to lookup table.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
avcodec/h264: Do not get stuck on IDR inter frames

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