libavcodec: Unconditionally build xiph.o

vorbis_parser.o is built unconditionally since 5e80fb7ff, and the
unconditionally built parts of it depend on xiph.o.

This fixes builds with --disable-everything.

Signed-off-by: Martin Storsjö <martin@martin.st>
mpeg12enc: increase declared size of block function argument

CC: libav-stable@libav.org
Bug-Id: CID 1047236
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
mpegvideo: check mpv return value

CC: libav-stable@libav.org
Bug-Id: CID 1238786
mpegvideo: fix size of array

CC: libav-stable@libav.org
Bug-Id: CID 1238789
mjpegenc: fix argument size in encode_mb

CC: libav-stable@libav.org
Bug-Id: CID 1047235
hpeldsp: Increase put_no_rnd_pixels_tab[][] size

CC: libav-stable@libav.org
Bug-Id: CID 991852
4xm: drop unnecessary check

data_size is always >= 0 in this case.

CC: libav-stable@libav.org
Bug-Id: CID 1238788
hevc_mvs: prevent unitialized use

CC: libav-stable@libav.org
Bug-Id: CID 1244202
hevc_cabac: decrease CABAC_MAX_BIN

Prevents shifts with undefined behavior, as no syntax element has a valid
value greater than 1 << 31.

Bug-Id: CID 1206635
dvbsubdec: add missing break

Fix a memory leak too.

CC: libav-stable@libav.org
Bug-Id: CID 732230
dvbsubdec: improve error checking

Use av_mallocz_array instead of iterating and check the returned memory.
Check returned memory and cleanly exit in case of error during the loop.
Avoid a null pointer dereference for invalid data.

CC: libav-stable@libav.org
Bug-Id: CID 29575
dvbsubdec: move shared codepath

CC: libav-stable@libav.org
Bug-Id: CID 1238839
png_parser: fix size of chunk_lenght

Fixes the comparison against constant value 0x7fffffff.

CC: libav-stable@libav.org
Bug-Id: CID 1198260
h264_cabac: fix one fill_rectangle() indentation level

Bug-Id: CID 1087088
h264_parser: don't stop on SPS_EXT in split

Add SPS_EXT, SEI, and subset SPS to codes that are skipped during split.
These codes can come before the PPS and results in incomplete extradata.
opt: Fix the documentation mentioning av_set_string3

It is av_opt_set now.
tiff: Use av_mallocz_array

CC: libav-stable@libav.org
Merge commit '52f954da7594c31ad94c9bcb54290145b59b27f5'

* commit '52f954da7594c31ad94c9bcb54290145b59b27f5':
  libavcodec: Unconditionally build xiph.o

Conflicts:
	libavcodec/Makefile

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit 'fe27aeaeab07142b1acd2690c64ee6973bdd7eba'

* commit 'fe27aeaeab07142b1acd2690c64ee6973bdd7eba':
  mpeg12enc: increase declared size of block function argument

See: 2cf514354bbeebb2334d00ab54c3fcb8ae2ee678
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit '898e9a24ef13d8c56b4abf4ee0af09cdb0343e2d'

* commit '898e9a24ef13d8c56b4abf4ee0af09cdb0343e2d':
  mpegvideo: check mpv return value

Conflicts:
	libavcodec/mpegvideo.c

See: f4d73f0fb55e0b5931c859ddb4d2d1617b60d560
Merged-by: Michael Niedermayer <michaelni@gmx.at>