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481 Commits

Author SHA1 Message Date
Stefano Sabatini
0e2b0033f1 doc/filters: apply various rendering changes to the showspectrum docs 
In particular: always use @table @samp for showing constant tables, add a
few empty lines for improving readability, and specify default value when
missing.
 2013-02-05 00:12:55 +01:00
Stefano Sabatini
2d22e97f6d doc/filters: fix @item syntax in showspectrum docs 
In particular, fix warnings:
** Unknown command with braces `@item' (in doc/filters.texi l. 60XX)
 2013-02-05 00:01:03 +01:00
Rudolf Polzer
81f2549ec9 lavfi/showspectrum: display multiple channels in separate row 
The showspectrum filter gets multiple channel (any count) support.

Signed-off-by: Rudolf Polzer <divverent@xonotic.org>
 2013-02-04 13:37:43 +00:00
Stefano Sabatini
cf7b71b0b8 doc/filters: reformat various filter tables items 
Improve overall consistency.
 2013-02-03 23:16:20 +01:00
Rudolf Polzer
773fc6e0c7 lavfi/showspectrum: set default height to 512 
Only power-of-two FFTs are supported; so to get a full spectrum
(that is, one up to Nyquist), the height must be a power of two.

Therefore, change the default height from 480 to 512.

Signed-off-by: Rudolf Polzer <divverent@xonotic.org>
 2013-02-03 17:05:31 +00:00
Stefano Sabatini
1897109c00 lavfi/pad: add support to named options 2013-02-03 17:01:56 +01:00
Stefano Sabatini
423856c4ae doc/filters: fix syntax and typo for the afade curve option 2013-02-01 18:52:42 +01:00
Stefano Sabatini
986540b65f doc/filters: create a dedicated examples section for lut*, and itemize 2013-02-01 18:35:15 +01:00
Stefano Sabatini
902fa77fd7 doc/filters: fix syntax and description for the lut* options 2013-02-01 18:32:21 +01:00
Paul B Mahol
22fad4e2b8 doc/filters: fix afade cuve types listing 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2013-01-31 16:18:50 +00:00
Paul B Mahol
b70ea49ca3 Port biquads filters from SoX 
Adds allpass, bass, bandpass, bandreject, biquad,
equalizer, highpass, lowpass and treble filter.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2013-01-31 12:13:55 +00:00
Nicolas George
42c6f2a645 lavfi/vf_drawtext: default to expansion=normal. 2013-01-26 12:52:19 +01:00
Nicolas George
ea645e90a1 lavfi/buffersrc: accept unknown channel layouts. 2013-01-26 11:15:38 +01:00
Stefano Sabatini
e4e36a4dd2 doc/filters: apply minor fixes 2013-01-25 17:45:27 +01:00
Stefano Sabatini
b7d34b328b lavfi/showwaves: add display mode option and mode=line 2013-01-25 17:42:04 +01:00
Michael Niedermayer
495cb44172 setpts: deprecate RTCTIME, we have time(0) which is more generic 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-25 15:14:33 +01:00
Michael Niedermayer
fc2922836b Merge remote-tracking branch 'qatar/master' 
* qatar/master:
  avfilter: allow setpts filter to use wallclock time for calculations

Conflicts:
	doc/filters.texi

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-25 15:04:41 +01:00
Vladimir Pantelic
0b55b16abc avfilter: allow setpts filter to use wallclock time for calculations 
Signed-off-by: Vladimir Pantelic <vladoman@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-01-25 10:50:09 +01:00
Paul B Mahol
6ea8a830e8 afade filter 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2013-01-21 15:20:42 +00:00
Carl Eugen Hoyos
cb1c69c81d Clarify that the recommended audio squeezing/stretching filter is aresample. 
Fixes ticket #2036.
 2013-01-20 23:26:35 +01:00
Stefano Sabatini
24bbc416a4 doc/filters: create a dedicated "Examples" subsection for fade, and use @itemize 2013-01-18 23:18:01 +01:00
Stefano Sabatini
2852bd704a lavfi/fade: accept shorthand syntax 2013-01-18 23:17:47 +01:00
Stefano Sabatini
44d5a28b7d doc/filters: avoid @example for showing the drawbox shorthand syntax 
Improve overall consistency.
 2013-01-18 19:03:58 +01:00
Stefano Sabatini
0140566359 lavfi: add histeq filter 
This is a port of virtual dub's histogram equalization filter by Donald
A. Graft. Based on the work by Jérémy Tran <tran.jeremy.av@gmail.com>,
done for SOCIS 2012.
 2013-01-05 10:25:32 +01:00
Stefano Sabatini
172505b8bc lavfi: add kerndeint filter 
This is a port of the kerndeint filter (libmpcodecs/vf_kerndeint) by
Donal A. Graft (original avisynth plugin author), and is based on the
work by Jérémy Tran <tran.jeremy.av@gmail.com> done for SOCIS 2012.
 2013-01-05 10:25:32 +01:00
Stefano Sabatini
cb8d3965fd lavfi/yadif: add support to named constants 2013-01-04 11:48:54 +01:00
Stefano Sabatini
f7dc6aa6b1 lavfi/yadif: add support to named options and options introspection 
Also rename the "enable_auto" field to "deint", to match the name of the
option.
 2013-01-04 11:48:54 +01:00
Mark Himsley
8997a0fa79 lavfi/tinterlace: add low-pass-filter for top/bottom interleave modes 
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
 2012-12-30 15:19:23 +01:00
Stefano Sabatini
9e3b6285cb doc/filters: drop duplicated description of resampler options in aresample docs 
Avoid duplication, and point to the complete description of options.
Also provide a more complete specification of the supported syntax.
 2012-12-30 15:04:58 +01:00
Stefano Sabatini
86c6bf040b doc/filters: remove outdated comments 
Audio API should not be considered unstable any longer, and mentioning
VHOOK is confusing, as it was removed 4 years ago.
 2012-12-24 01:36:21 +01:00
Michael Niedermayer
d33c939bac docs: add aresample/async example 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-12-23 19:47:51 +01:00
Clément Bœsch
9b8de93036 lavfi: add pp filter. 
Ported from MPlayer. Original author is A'rpi, with various
contributions from Michael Niedermayer. The original documentation was
mostly written by Diego Biurrun. See the MPlayer history for full
credits.

The filter is under GPL like the original filter, even if it differs
quite a lot. There is not much point in making it LGPL since pp is under
GPL.
 2012-12-23 19:03:36 +01:00
Michael Niedermayer
bc5d6e4b96 docs: point to aresample from asyncts docs 
"Fixes" Ticket2036

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-12-22 22:33:57 +01:00
Clément Bœsch
1330d1d049 doc/filters: reword introduction sentence of aformat. 2012-12-22 16:25:15 +01:00
Clément Bœsch
ba5ea7db99 doc/filters: simplify escaping in aformat. 
Escaping the '=' is not necessary, and quoting the arguments allow to
remove the comma escaping as well.
 2012-12-22 16:25:15 +01:00
Stefano Sabatini
0824aa6743 doc/filters: add overlay daisy-chaining example 2012-12-22 16:15:53 +01:00
Stefano Sabatini
35b97ad7c0 doc/filters: rework and itemize examples for the overlay filter 2012-12-22 16:15:13 +01:00
Stefano Sabatini
bde1e8bf06 lavfi/overlay: make use of av_opt_set_from_string() 
Simplify.
 2012-12-22 16:14:23 +01:00
Stefano Sabatini
6b50df6b3a doc/filters: rename reference to movie filter from "src_movie" to "movie" 
Should be less confusing.
 2012-12-22 01:03:46 +01:00
Clément Bœsch
80a9297b71 doc: remove mention of fifo filter in the introduction. 
It's confusing and not necessary, especially in the introduction.
 2012-12-19 12:58:52 +01:00
Clément Bœsch
fea6f5e14d doc/filters: reformat and rework gradfun. 
Note that examples are changed.
 2012-12-19 03:16:43 +01:00
Clément Bœsch
526e2415bd lavfi/gradfun: support named options. 
This breaks usage for out-of-range values.
 2012-12-19 03:13:26 +01:00
Clément Bœsch
3bdd70fc66 lavfi/gradfun: reduce up limit for threshold. 
This will prevent an overflow in the SSSE3 and MMX filter_line code:
delta is expressed as an u16 being shifted by 2 to the left. If it
overflows, having a strength not above 64 will make sure that m is set
to 0 (making the m*m*delta >> 14 expression void).

A value above 64 should not make any sense unless gradfun is used as a
blur filter.
 2012-12-19 03:13:26 +01:00
Michael Niedermayer
5eae7f8f35 avfilter: add apad filter 
This filter pads an audio stream with silence
It can together with -shortest be used to extend audio streams to
the same length as video.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-12-18 16:30:08 +01:00
Stefano Sabatini
992772b947 doc: remove references to external documents 
Fix a few warnings generated when creating the manuals.

Our current doc generation toolchain does not allow to reference external
documents.
 2012-12-17 23:53:50 +01:00
Michael Niedermayer
5b09c3407e doc/filters: fix "Dolby Pro Logic II" option name 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-12-16 13:24:59 +01:00
Stefano Sabatini
0ebf85774b doc/filters: remove @example use for showing syntax 
I forgot to merge with the previous commit.
 2012-12-15 21:02:30 +01:00
Stefano Sabatini
a871b5cc98 doc/filters: extend syntax description for transpose, and add examples 2012-12-15 20:56:14 +01:00
Stefano Sabatini
6722f35dd3 doc/filters: add basic crop examples 
Use it to show difference between shorthand and named parameters.
 2012-12-15 20:48:42 +01:00
Stefano Sabatini
55b81528a9 doc/filters: itemize crop examples 2012-12-15 20:48:36 +01:00