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1396 Commits

Author SHA1 Message Date
Michael Niedermayer
656911d84d vsrc_mandelbrot: Fix vsrc_mandelbrot.c:358:85: warning: ‘epsilon’ may be used uninitialized in this function [-Wuninitialized] 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-24 00:08:05 +01:00
Michael Niedermayer
248bb81ebc avfilter: Error out from avfilter_merge_formats() when there are duplicates 
instead of trying to continue.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-23 14:14:01 +01:00
Michael Niedermayer
4d874fc2b1 vf_mp: rewrite vf_mp filter warning message 
Warning text by: Clément Bœsch <ubitux@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-23 13:22:46 +01:00
Michael Niedermayer
8cda755c2f avfilter: dont write out of array for duplicate formats in avfilter_merge_formats() 
Note, this is a theoretical fix, iam not aware of a case where this function receives
duplicates in its input.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-23 13:18:11 +01:00
Michael Niedermayer
78317881f0 graphparser: Fix doxy on avfilter_graph_parse() return value. 
Found-by: ZacS123
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-22 15:09:26 +01:00
Clément Bœsch
2f0f9a87d0 Fix various if parenthesis misplacements. 2011-11-21 19:35:33 +01:00
Michael Niedermayer
2c44aed82a vsrc_mandelbrot: fix inner=period, the previous optimizations broke it. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-21 04:16:41 +01:00
Michael Niedermayer
90c02ae142 vsrc_mandelbrot: increase maxiter to 7189 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-19 23:52:29 +01:00
Michael Niedermayer
690860d0d5 vsrc_mandelbrot: Use threshold to detect cycles. 
This way cycles are detected much earlier.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-19 23:28:56 +01:00
Michael Niedermayer
a5dfedd381 vsrc_mandelbrot: detect edges in interpol() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-19 22:22:21 +01:00
Michael Niedermayer
4ebbcdb3eb vsrc_mandelbrot: avoid a | in interpol() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-19 22:11:53 +01:00
Michael Niedermayer
5dd16af6b5 vsrc_mandelbrot: increase default zoom speed by a factor of 2 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-19 19:42:24 +01:00
Michael Niedermayer
ca14808275 vsrc_mandelbrot: spatial interpolation 
speeds the code up by a factor of about 2-3.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-19 19:41:28 +01:00
Michael Niedermayer
56fc4cf04f vsrc_mandelbrot: always store values for periodicity checking, this avoids a few checks. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-19 15:02:34 +01:00
Michael Niedermayer
da1344e0cd vsrc_mandelbrot: simplify second bailout search by not recalculating values. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-19 15:00:26 +01:00
Michael Niedermayer
e749b3780c vsrc_mandelbrot: increase zyklus array size so that optimizations can write a bit more. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-19 14:16:53 +01:00
Michael Niedermayer
649d3932db vsrc_mandelbrot: check bailout only once every 8 iterations, this is around 10% faster. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-19 14:15:56 +01:00
Michael Niedermayer
fe2efc5264 vsrc_mandelbrot: factorize periodicity checking too. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-19 13:55:51 +01:00
Michael Niedermayer
cf670fbc96 vsrc_mandelbrot: factorize main calculation out into a macro. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-19 13:51:44 +01:00
Clément Bœsch
1fbf7165d5 lavfi: reimplement MPlayer's af_pan filter for libavfilter. 
Original code by Clément Bœsch.
Parameters parsing and misc enhancements by Nicolas George.
 2011-11-18 19:39:26 +01:00
Michael Niedermayer
32aa9590ac vf_scale: Fix slice position assert to take vertical subsampling into account. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-17 22:39:46 +01:00
Michael Niedermayer
974d25e2db mandelbrot: make mincol description and code match. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-16 15:13:01 +01:00
Clément Bœsch
16b809ce8e lavfi: fix misc typo in avfilter.h header. 2011-11-16 09:53:58 +01:00
Clément Bœsch
4da45aff28 cleanup: remove various double end ';' all over the code. 2011-11-16 07:48:23 +01:00
Michael Niedermayer
04bb26e3ee mandelbrot: add dither to convergence & mincol colorings. 
This avoids banding artifacts.
Note, low end TFTs still show some banding.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-15 21:33:11 +01:00
Michael Niedermayer
7575980ba4 mandelbrot: make mincol the default. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-15 20:04:25 +01:00
Michael Niedermayer
8d51cb4fb8 mandelbrot: add mincol inner coloring method. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-15 20:04:25 +01:00
Michael Niedermayer
5a68b1ac3b mandelbrot: add inner drawing method to show converence time 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-15 17:26:51 +01:00
Michael Niedermayer
5582e557e6 mandelbrot: add "fractal" to the description 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-15 17:26:46 +01:00
Michael Niedermayer
4c52adad69 mandelbrot: Fix "warning: passing argument 2 of ‘draw_mandelbrot’ from incompatible pointer type" 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-15 17:26:41 +01:00
Stefano Sabatini
2b1a4c5b34 amovie: avoid crash in amovie_request_frame() if no samplesref is available 
The crash occurrs when a frame is successfully decoded, but no decoded
data is immediately available (typically happens with ogg/vorbis).
 2011-11-15 00:10:15 +01:00
Michael Niedermayer
73af8ea356 mandelbrot: add math.h for log2() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-14 05:56:03 +01:00
Michael Niedermayer
70eb58cd92 mandelbrot: avoid INFINITY as openbsd seems not to like it. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-14 05:47:56 +01:00
Michael Niedermayer
b1b0fd2790 pad: fix format string length 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-14 05:42:10 +01:00
Stefano Sabatini
3a9f2f1d65 vsrc_mandelbrot: set options through the opt framework 2011-11-13 21:31:23 +01:00
Giorgio Vazzana
c15400afc5 mandelbrot: remove always-false condition in fill_from_cache 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-13 19:41:21 +01:00
Michael Niedermayer
08dadd331f mandelbrot: allow visualizing the period of converged points. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-13 19:28:24 +01:00
Michael Niedermayer
e8499ab171 mandelbrot: Add inner variable & enum for inner coloring schemes. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-13 19:26:22 +01:00
Michael Niedermayer
3cbe9afba5 mandelbrot: only check bailout once every 2 iterations. 
Once we bailed out we calculate the exact iteration in which it would have happened if needed.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-13 18:14:40 +01:00
Michael Niedermayer
41fd1b2d5a mandelbrot: add SQR() macro 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-13 18:14:10 +01:00
Giorgio Vazzana
e555119c73 mandelbrot: correct and simplify the formula used in NORMALIZED_ITERATION_COUNT 
Use log(sqrt(mb->bailout)) instead of log(mb->bailout) because mb->bailout represent
the bailout radius squared, and then simplify the two sqrt().
This is also slightly faster.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-13 17:33:09 +01:00
Michael Niedermayer
88166fc579 mandelbrot: unroll the innermost loop once. 
This allows us to remove a if() and a variable assignment.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-13 17:01:56 +01:00
Michael Niedermayer
1d06608732 mandelbrot: only check periodicity once for each period instead of twice. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-13 17:01:56 +01:00
Michael Niedermayer
2fee131b9e mandelbrot: use period detection depening on left pixel and not the 
previous calculated pixel, this is more accurate due to the last
calculated often being farther away.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-13 17:01:56 +01:00
Giorgio Vazzana
be97e7b9c2 mandelbrot: remove unused variables 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-13 01:27:30 +01:00
Giorgio Vazzana
459bba58d2 mandelbrot: add missing options to the parsing code 
The following options were added: end_scale, end_pts, bailout, outer.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-13 01:27:30 +01:00
Giorgio Vazzana
6024bdb21a mandelbrot: fix sscanf format string 
Replace ',' with ':'

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 21:00:12 +01:00
Michael Niedermayer
32dd67162a mandelbrot: Print a note if the cache is too small 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 17:05:11 +01:00
Michael Niedermayer
905202ef6e mandelbrot: increase cache size 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 17:04:50 +01:00
Michael Niedermayer
fd8d03457a mandelbrot: increase resolution, and decrease zoom speed to maintain the cpu requirement. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 17:04:08 +01:00
Michael Niedermayer
40d6e30c55 mandelbrot: increase default maxiter 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 16:46:41 +01:00
Michael Niedermayer
6c5dd858b4 mandelbrot: Only use cycle detection if previous pixel was an interior pixel 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 16:46:21 +01:00
Michael Niedermayer
50b8f9388a mandelbrot: detect cycles to speed up interior rendering. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 16:46:16 +01:00
Michael Niedermayer
3de934c873 mandelbrot: increase default maxiter to 1024 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 16:44:53 +01:00
Michael Niedermayer
07f272bdbb mandelbrot: use cache to avoid recalculating points. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 16:44:53 +01:00
Michael Niedermayer
8ca891fc1a mandelbrot: more interresting zoom coordinates borrowed from wikipedia. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 16:44:53 +01:00
Michael Niedermayer
ddeb194b14 mandelbrot: add a end_scale and pts so we can zoom in. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 00:04:16 +01:00
Michael Niedermayer
dece017280 mandelbrot: center coordinate reference on the images center 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 00:04:15 +01:00
Michael Niedermayer
aa198ad679 mandelbrot: make 2 variables const 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 00:04:15 +01:00
Michael Niedermayer
0e5b05134b mandelbrot: fix typo that led to hardcoded max iteration count. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 00:04:15 +01:00
Michael Niedermayer
4ccd898af2 mandelbrot: support different outer coloring methods. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-11 23:22:04 +01:00
Michael Niedermayer
75e309160b mandelbrot: make bailout a variable 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-11 23:21:42 +01:00
Michael Niedermayer
847e61de4a avfilter: bump minor for mandelbrot 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-11 23:20:25 +01:00
Michael Niedermayer
658d166da0 avfilter: add mandelbrot fraktal source 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-11 22:47:06 +01:00
Michael Niedermayer
393b234fa1 yadif, its 2011 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-11 17:06:47 +01:00
Michael Niedermayer
825481e87b yadif: reject reuse2 buffers as we cant use frames that change under our 
fingers.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-11 17:06:07 +01:00
Stefano Sabatini
dec354ba1d vf_fade: reindent after previous commit 2011-11-10 01:31:28 +01:00
Mark Himsley
8c1fb50d07 vf_fade: add alpha option and alpha fading support 
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
 2011-11-10 01:31:13 +01:00
Mark Himsley
0d602615ab vf_fade: add support to options parsing 
Extend fade syntax, required by a pending patch.

Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
 2011-11-10 01:28:31 +01:00
Nicolas George
68b531fe6a src_movie: set the channel layout to default if the codec did not set it. 
Signed-off-by: Nicolas George <nicolas.george@normalesup.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-06 01:19:56 +01:00
Reimar Döffinger
5af7daabc4 Mark AVFilterPad[] compound literals as const. 
GCC 4.6.2 at least still seems to fail to put them in .rodata though,
see also http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37303

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
 2011-11-06 00:05:14 +01:00
Reimar Döffinger
b052601b95 Make another static array const. 
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
 2011-11-05 15:37:02 +01:00
Reimar Döffinger
6f6ab1d9f3 Make another PixelFormat list const. 
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
 2011-11-05 15:37:02 +01:00
Reimar Döffinger
d7e95ccd9f Make PIX_FMT format list arrays const. 
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
 2011-11-05 15:37:02 +01:00
Reimar Döffinger
d78473334e Add const to static arrays where it was forgotten. 
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
 2011-11-05 15:37:01 +01:00
Ronald S. Bultje
43317fd52c libavfilter: reindent. 2011-11-05 07:01:39 -07:00
Ronald S. Bultje
23a8b4ddfc avfilter: don't abort() on zero-size allocations. 2011-11-05 06:59:27 -07:00
Michael Niedermayer
c28ea94cd7 af_volume: exp10() is a GNU extension. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-05 05:39:42 +01:00
Stefano Sabatini
3a1045dfda af_earwax: copy input buffer properties to output 
In particular, fix timestamps, partially address trac ticket #375.
 2011-11-05 02:45:08 +01:00
Mina Nagy Zaki
fa4f06ab5e lavfi: add earwax audio filter, ported from Sox 
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
 2011-11-05 02:16:45 +01:00
Stefano Sabatini
618ac71354 lavfi: add volume filter 2011-11-05 02:13:37 +01:00
Stefano Sabatini
1fc7077115 lavfi: increase number of maximum registered filters from 64 to 128 2011-11-05 02:13:37 +01:00
Stefano Sabatini
217790871e lavfi: issue error if maximum number of filters is reached 
Issue an error and return a more meaningful error code in case the
maximum number of registered filters has been reached.
This is better than silently ignore the error, improve feedback.
 2011-11-05 02:13:37 +01:00
Michael Niedermayer
259a960f1b Merge remote-tracking branch 'qatar/master' 
* qatar/master:
  vp6: Fix illegal read.
  avfilter: Don't copy garbage from the stack when setting up video pictures.
  avcodec: Make sure codec_type is set by avcodec_get_context_defaults2
  avcodec: Remove a misplaced and useless attribute_deprecated
  avconv: add -dump_attachment option.
  avconv: add -attach option.
  avconv: make negative mappings disable only streams from the specified file
  fmtconvert: fix int32_to_float_fmul_scalar() for windows x86_64

Conflicts:
	libavcodec/options.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-04 01:44:06 +01:00
Alex Converse
0d7a16a946 avfilter: Don't copy garbage from the stack when setting up video pictures. 2011-11-03 15:54:04 -07:00
Reimar Döffinger
96949dafcc Replace all strcasecmp/strncasecmp usages. 
All current usages of it are incompatible with localization.
For example strcasecmp("i", "I") != 0 is possible, but would
break many of the places where it is used.
Instead use our own implementations that always treat the data
as ASCII.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
 2011-11-03 19:25:26 +01:00
Michael Niedermayer
988f585fcb Merge remote-tracking branch 'qatar/master' 
* qatar/master: (44 commits)
  replacement Indeo 3 decoder
  gsm demuxer: do not allocate packet twice.
  flvenc: use first packet delay as global delay.
  ac3enc: doxygen update.
  imc: return error codes instead of 0 for error conditions.
  imc: return meaningful error codes instead of -1
  imc: do not set channel layout for stereo
  imc: validate channel count
  imc: check for ff_fft_init() failure
  imc: check output buffer size before decoding
  imc: use DSPContext.bswap16_buf() to byte-swap packet data
  rtsp: add allowed_media_types option
  libgsm: add flush function to reset the decoder state when seeking
  libgsm: simplify decoding by using a loop
  gsm: log error message when packet is too small
  libgsmdec: do not needlessly set *data_size to 0
  gsmdec: do not needlessly set *data_size to 0
  gsmdec: add flush function to reset the decoder state when seeking
  libgsmdec: check output buffer size before decoding
  gsmdec: log error message when output buffer is too small.
  ...

Conflicts:
	Changelog
	ffplay.c
	libavcodec/indeo3.c
	libavcodec/mjpeg_parser.c
	libavcodec/vp3.c
	libavformat/cutils.c
	libavformat/id3v2.c
	libavutil/parseutils.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-03 02:16:26 +01:00
Stefano Sabatini
0b3e9d5dc6 vf_overlay: adopts FAST_DIV255 macro for calculating destination alpha 
Ease readability, improve exactness.
 2011-11-02 21:44:13 +01:00
Mark Himsley
91dfb73852 vf_fade: fade to correct CCIR601/709 black level 
Current implementation fades to 0. This implementation fades to 16 for
YUV formats that contain CCIR601/709 video levels. RGB and YUVJ
formats are not altered.

Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
 2011-11-02 21:44:13 +01:00
Diego Biurrun
959cfbf3f4 vsrc_testsrc: fix mailing list reference URL 2011-11-02 10:42:55 +01:00
Diego Biurrun
124e28847b Remove some stray unnecessary ffmpeg references. 2011-11-02 10:42:54 +01:00
Michael Niedermayer
3fd0f6ed25 vf_transpose: remove pix_fmts which can currently not be supported. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-01 23:45:28 +01:00
Stefano Sabatini
30647fb45a lavfi: bump micro after recent changes in the overlay filter 2011-10-31 11:19:53 +01:00
Stefano Sabatini
2f7c8aefa8 vf_overlay: add support to alpha pre-multiplication in the RGBA path 
Based on the work of Mark Himsley <mark@mdsh.com>.

See thread:
Subject: [FFmpeg-devel] libavfilter: extending overlay filter
Date: Sun, 13 Mar 2011 14:18:42 +0000
 2011-10-31 11:06:31 +01:00
Stefano Sabatini
3013bfa81e vf_overlay: enable RGB path 
Add option rgb which forces the RGB path.
 2011-10-31 11:06:19 +01:00
Stefano Sabatini
b54c0a552d vf_overlay: use opt.h API for setting options 
Extend syntax, allow to easily add more options later.
 2011-10-30 21:10:54 +01:00
Stefano Sabatini
8dc90371b1 lavfi: add internal function ff_fill_rgba_map() 2011-10-28 02:06:50 +02:00
Clément Bœsch
9bd23f6815 ashowinfo: fix typo in description. 2011-10-27 22:16:24 +02:00
Clément Bœsch
a0b7853f7a vf_showinfo: print checksums in hexadecimal. 2011-10-27 22:14:57 +02:00
Michael Niedermayer
3e4375833d vf_scale: Request an aligned buffer. 
Fixes Ticket594

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-10-27 03:46:50 +02:00