inline asm works for gcc-3.x also (hopefully). Should fix gcc-3.x FATE
breakage after r25254.
Originally committed as revision 25262 to svn://svn.ffmpeg.org/ffmpeg/trunk
current code wouldn't always error out on errors.
Based on patch by Stephen d'Angelo <sdangelo evertz com>.
Originally committed as revision 25260 to svn://svn.ffmpeg.org/ffmpeg/trunk
increase to e.g. vc1, snow and mpeg decoding.
Patch by Eli Friedman <eli dot friedman gmail com>.
Originally committed as revision 25259 to svn://svn.ffmpeg.org/ffmpeg/trunk
That way the user app can set codec specific parameters in the private context
before opening it.
Originally committed as revision 25257 to svn://svn.ffmpeg.org/ffmpeg/trunk
from memory locations/offsets depending on b_idx plus constants, rather than
having gcc do this. This saves several lea calls and together saves about
10 cycles in h264_loop_filter_strength_mmx2().
Originally committed as revision 25256 to svn://svn.ffmpeg.org/ffmpeg/trunk
a pxor, or remove the instruction alltogether. Altogether, this saves 1
instruction.
Originally committed as revision 25255 to svn://svn.ffmpeg.org/ffmpeg/trunk
This has no measurable speed effect because the surrounding code doesn't
take advantage of this yet.
Originally committed as revision 25254 to svn://svn.ffmpeg.org/ffmpeg/trunk
of the d_idx variable and therefore allows for future optimizations. No speed
difference by this commit itself.
Originally committed as revision 25253 to svn://svn.ffmpeg.org/ffmpeg/trunk
inlining various constants within the loop code. 20 cycles faster on
cathedral sample.
Originally committed as revision 25252 to svn://svn.ffmpeg.org/ffmpeg/trunk
yadif.c:226: error: can't find a register in class 'GENERAL_REGS' while reloading 'asm'
yadif.c:220: error: 'asm' operand has impossible constraints
Patch by Alexander Strange <astrange ithinksw com>.
Originally committed as revision 25251 to svn://svn.ffmpeg.org/ffmpeg/trunk
r25218 made assumptions about the existence of past reference frames that
weren't necessarily true.
Originally committed as revision 25243 to svn://svn.ffmpeg.org/ffmpeg/trunk
Because DTS values aren't passed through decoders, they tend to be
inaccurate if decoder delay doesn't match what was expected by the encoder.
In particular this improves timestamps for H.264 without num_reorder_frames
set and with -strict 1, which causes DTS to be up to 16 frames ahead of the
picture.
Note that this doesn't really improve any file with very broken PTS/DTS,
since PTS isn't much more accurate in these.
Originally committed as revision 25242 to svn://svn.ffmpeg.org/ffmpeg/trunk
It was being set wrong for files with data_offset > 0
Patch by Michael Chinen, mchinen gmail
Originally committed as revision 25239 to svn://svn.ffmpeg.org/ffmpeg/trunk
Options are not yet set for video encoders and for codec specific
defaults it is desireable to set the codec options only after the codec
is known.
Originally committed as revision 25230 to svn://svn.ffmpeg.org/ffmpeg/trunk
Baptiste Coudurier
Ronald S. Bultje
Stefano Sabatini
Alexander Strange
Eli Friedman
Michael Niedermayer
Jason Garrett-Glaser
Michael Chinen
Måns Rullgård
Aurelien Jacobs
Janne Grunau