Make register usage in macros explicit; change mulsub_2w_4x to use 2
instead of 3 temp registers.

(And in future, loopfilter or intra pred could be put in their own
respective files also.)

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

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

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

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

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

* qatar/master:
  dcadec: Decode LFE to avoid adding random data when downmixing with LFE

See: 6e7de114Merged-by: Michael Niedermayer <michaelni@gmx.at>

This avoids collecting statistics for rfps values that very likely
will get rejected later.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

it makes no sense for other streams
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

makes the first call to sws_getContext() 1ms faster
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

this safes about 0.1ms
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Tim Walker <tdskywalker@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

These occur when no context is set for example, thus they are common
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

about 1/3 or so faster
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Should fix issues compiling lavr's Windows resource file.
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

* lukaszmluki/master:
  lavd/fbdev_enc: add default device
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Since we don't write lavf's string when bitexact is requested, this will
prevent the tag from being copied from the source stream.
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Use device specified by environment variable FRAMEBUFFER or /dev/fb0 as default.
Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com>

avcodec/error_resilience: check that er is supported before attempting to read the status of the previous slice

Fixes incorrectly set error_occured and improves speed
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

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

about 1ms faster startup time
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This reduces the amount of duplicated code
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

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

* qatar/master:
  webp: add a special case for a huffman table with only 1 symbol
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'f51e3a19':
  webp: do not call av_frame_free() on the user-provided frame
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'b73a8922':
  ljpegenc: split yuv encoding into a separate function

Conflicts:
	libavcodec/ljpegenc.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'fa447681':
  ljpegenc: split bgr encoding into a separate function

Conflicts:
	libavcodec/ljpegenc.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'daffed3b':
  ljpegenc: accept bgr24 instead of bgra

Conflicts:
	libavcodec/ljpegenc.c
	libavcodec/mjpegenc.c

Only whitespace merged, we continue to support both formats
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '0cdbc4d3':
  ljpegenc: rename the encoding function.
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '72c0b8f7':
  ljpeg: remove a commented-out line
Merged-by: Michael Niedermayer <michaelni@gmx.at>

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

* commit '24abd806':
  ljpegenc: deMpegEncContextize

Conflicts:
	libavcodec/ljpegenc.c
	libavcodec/mpegvideo.h
	libavcodec/mpegvideo_enc.c
	tests/ref/vsynth/vsynth1-ljpeg
	tests/ref/vsynth/vsynth2-ljpeg
Merged-by: Michael Niedermayer <michaelni@gmx.at>

This avoids a use of MpegEncContext
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

This will be used by ljpeg
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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