Commit Graph

3920 Commits

Author SHA1 Message Date
Paul B Mahol
ef6718a5f7 lavfi/tile: make color of blank/unused area configurable
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-08-16 12:40:01 +00:00
Michael Niedermayer
ec0e0eb4c1 avfilter/vf_scale+aresample: minor simpification
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-08-16 04:26:59 +02:00
Michael Niedermayer
6d246f440e avfilter/vf_scale: generic swscale option support
With this all AVOptions from swscale can be set without each needing
changes to vf_scale.c

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-08-15 23:23:58 +02:00
Paul B Mahol
11afe28b9a lavfi/ebur128: fix typo: s/negociation/negotiation
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-08-13 12:43:56 +00:00
Paul B Mahol
9087dcbe5b lavfi/trim: check for right default value
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-08-12 10:56:52 +00:00
Thilo Borgmann
f18ccb529f Fix wrong use of "an" in some comments. 2013-08-12 03:27:26 +02:00
Michael Niedermayer
0b5627189d avfilter/f_sendcmd: make const arrays static const
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-08-10 18:44:39 +02:00
Michael Niedermayer
c9837613ed avfilter/trim: Fix assertion failure with empty frames
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-08-09 11:54:40 +02:00
Michael Niedermayer
190a5893d1 avfilter/fifo: explicitly assert that a frame should have become available after request
May help tools like coverity

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-08-09 09:28:11 +02:00
Michael Niedermayer
3b2e99fe9e avfilter/vf_perspective: factor u cliping code
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-08-09 00:03:43 +02:00
Michael Niedermayer
bb5ef96164 Merge commit '3799376dd3373ee255651ed542c75b15665801a8'
* commit '3799376dd3373ee255651ed542c75b15665801a8':
  lavfi/fifo: fix flushing when using request_samples

Conflicts:
	libavfilter/fifo.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-08-06 09:35:03 +02:00
Anton Khirnov
3799376dd3 lavfi/fifo: fix flushing when using request_samples
If any samples are still buffered when request_frame returns EOF, they
won't be returned currently.
2013-08-05 10:52:00 +02:00
Michael Niedermayer
46b3dbf9ca Merge commit '77cc958f60f73963be4281d6e82ef81707e40c26'
* commit '77cc958f60f73963be4281d6e82ef81707e40c26':
  lavfi: add const to the AVFilter parameter of avfilter_graph_create_filter()

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-08-05 09:22:18 +02:00
Anton Khirnov
77cc958f60 lavfi: add const to the AVFilter parameter of avfilter_graph_create_filter()
This function should never modify the filter.
2013-08-04 15:46:19 +02:00
Timothy Gu
3415058541 vf_scale: add force_original_aspect_ratio
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-08-04 13:27:01 +02:00
Michael Niedermayer
61af627d56 avfilter/graphparser: remove 256 char limit from create_filter()
Fixes Ticket2803

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-08-04 00:56:55 +02:00
Michael Niedermayer
e43a0a232d avfilter: fix plane validity checks
Fixes out of array accesses

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-08-03 19:15:46 +02:00
Michael Niedermayer
20be5e0a0e Merge commit '7950e519bb094897f957b9a9531cc60ba46cbc91'
* commit '7950e519bb094897f957b9a9531cc60ba46cbc91':
  Disable deprecation warnings for cases where a replacement is available

Conflicts:
	libavcodec/avpacket.c
	libavcodec/pthread.c
	libavcodec/utils.c
	libavdevice/v4l2.c
	libavfilter/avfiltergraph.c
	libavfilter/buffersrc.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-08-03 10:08:30 +02:00
Michael Niedermayer
a8e963835a Merge commit 'b5a138652ff8a5b987d3e1191e67fd9f6575527e'
* commit 'b5a138652ff8a5b987d3e1191e67fd9f6575527e':
  Give less generic names to global library option arrays

Conflicts:
	libavcodec/options_table.h
	libavfilter/avfilter.c
	libavformat/options_table.h
	libswscale/options.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-08-03 09:16:36 +02:00
Diego Biurrun
7950e519bb Disable deprecation warnings for cases where a replacement is available 2013-08-02 19:19:02 +02:00
Diego Biurrun
b5a138652f Give less generic names to global library option arrays 2013-08-02 19:19:02 +02:00
Michael Niedermayer
0c8efe4891 Merge commit '45dd1ae1b3c18331f3db2293a9135bc5851e553f'
* commit '45dd1ae1b3c18331f3db2293a9135bc5851e553f':
  avfilter: Add some missing FF_API_AVFILTERBUFFER ifdefs

Conflicts:
	libavfilter/buffer.c
	libavfilter/internal.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-08-01 11:36:54 +02:00
Diego Biurrun
45dd1ae1b3 avfilter: Add some missing FF_API_AVFILTERBUFFER ifdefs 2013-07-31 19:23:00 +02:00
Michael Niedermayer
1bbf94d84f avfilter/af_compand: %f is for printing doubles
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-30 22:24:42 +02:00
Michael Niedermayer
c7d1717957 Merge commit '0e8c6f221a8ddb7dfb3c9e9bd0b33cb12e9391b8'
* commit '0e8c6f221a8ddb7dfb3c9e9bd0b33cb12e9391b8':
  avisynth: Fix a "AVISynth" vs. "AviSynth" struct name typo

Conflicts:
	doc/general.texi
	libavformat/avisynth.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-30 11:26:39 +02:00
Paul B Mahol
6b68e2a43b lavfi: add compand filter
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-29 19:11:50 +00:00
Diego Biurrun
0e8c6f221a avisynth: Fix a "AVISynth" vs. "AviSynth" struct name typo
Also fix some similar typos in comments and documentation.
2013-07-29 20:09:59 +02:00
Michael Niedermayer
b0edd59994 Merge commit 'bf4b0ed1d5d323050a87c9f0ad1dd40860eb3da2'
* commit 'bf4b0ed1d5d323050a87c9f0ad1dd40860eb3da2':
  Add missing deprecation attributes

Conflicts:
	libavfilter/avfilter.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-28 13:44:34 +02:00
Michael Niedermayer
edab63a406 Merge commit '966689442ed843019dc0722a49bfb0ac51755d19'
* commit '966689442ed843019dc0722a49bfb0ac51755d19':
  buffersink: K&R formatting cosmetics

Conflicts:
	libavfilter/buffersink.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-28 11:26:57 +02:00
Diego Biurrun
bf4b0ed1d5 Add missing deprecation attributes 2013-07-27 16:08:49 +02:00
Diego Biurrun
966689442e buffersink: K&R formatting cosmetics 2013-07-27 10:47:38 +02:00
Michael Niedermayer
8720d3ac21 avfilter/vf_scale: set in_color_matrix default to "auto" 2013-07-27 01:16:07 +02:00
Michael Niedermayer
f3f4e133d6 avfilter/vf_scale: use sws_getCoefficients()
Found-by: wm4
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-26 23:07:19 +02:00
Paul B Mahol
be7d6710b4 lavfi/frei0r: use AV_OPT_TYPE_IMAGE_SIZE
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-26 17:16:26 +00:00
Hendrik Leppkes
779e6c2b98 lavfi: add attribute_align_arg to all public entry points
Previously it was partly only added to central functions called
internally, however if GCC would inline these into the public fuction, the
alignment attribute would not take effect.

Instead, add it to all public entry points to avoid these problems.

Signed-off-by: Martin Storsjö <martin@martin.st>
2013-07-26 19:51:04 +03:00
Paul B Mahol
7ac736afbd lavfi/frei0r: use AV_OPT_TYPE_VIDEO_RATE
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-26 15:24:55 +00:00
Paul B Mahol
a4b899f588 lavfi/gradfun: remove nv21/nv12 as they are not supported
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-26 15:07:12 +00:00
Hendrik Leppkes
af2a196e66 lavfi: add attribute_align_arg to all public entry points
Previously it was partly only added to central functions called
internally, however if GCC would inline these into the public fuction, the
alignment attribute would not take effect.

Instead, add it to all public entry points to avoid these problems.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-26 13:59:30 +02:00
Paul B Mahol
2a1a599bcb lavfi/buffersrc: remove unused item from BufferSourceContext
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-26 11:43:43 +00:00
Michael Niedermayer
de0a1f63df avfilter/can_merge_formats: fix memleak
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-25 16:54:04 +02:00
Michael Niedermayer
6bde1e9d14 avfilter/avfiltergraph: fix check using the wrong variables
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-25 16:53:39 +02:00
Michael Niedermayer
5156d482cd avfilter/vf_scale: use the inputs color range when its set and its not overridden
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-25 02:50:46 +02:00
Michael Niedermayer
24a4367ae9 vf_scale: add input h/v_chr_pos parameters
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-24 18:33:58 +02:00
Michael Niedermayer
e31d20255d vf_scale: add output h/v_chr_pos parameterss
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-24 18:27:10 +02:00
Michael Niedermayer
6a0b72f94f avfilter/avfiltergraph: minor cosmetic
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-23 20:58:21 +02:00
Michael Niedermayer
fe328f0807 avfilter: Dont partially merge lists
This prevents the unneeded insertion of multiple aresample filters in some cases

The format merging is moved to avoid having to call the channel layout
merge twice. The channel layout merge code uses different structures and
is not compatible with the added dry run wrappers.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-23 19:14:04 +02:00
Michael Niedermayer
5169111145 avfilter/REDUCE_FORMATS: fix bug that ended reducing too early
Prior to this it was possible that format reduction was ended
before it fully propagated leading to failure later in picking
formats.
No testcase with unmodified source exists, the case was reproduced
with less aggressive list merging though.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-22 02:48:13 +02:00
Michael Niedermayer
1f7acf3cff vfilter/vf_scale: avoid using "{}"
Should fix compile issues with MSVC

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-21 04:47:09 +02:00
Michael Niedermayer
3242747df3 avfilter/vf_scale; fix indent
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-20 22:20:25 +02:00
Michael Niedermayer
835eee88ec avfilter/vf_scale: add in/out color range option
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-20 22:13:23 +02:00
Michael Niedermayer
bbf6cb754c avfilter/vf_scale: Add in/out yuv color matrix option
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-20 22:11:50 +02:00
Michael Niedermayer
b67401797e Merge remote-tracking branch 'qatar/master'
* qatar/master:
  lavfi: filtfmts: use newer avfilter APIs

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-20 10:50:51 +02:00
Michael Niedermayer
74561680cd avfilter/vf_separatefields: fix ;;
Found-by: llogan
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-20 00:44:09 +02:00
wm4
122536e01a avfilter: fix preprocessor condition
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-19 22:10:16 +02:00
Michael Niedermayer
8589d7a61c avfilter/vf_yadif:remove unneeded include assert.h
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-19 18:53:57 +02:00
Vittorio Giovara
6756d98cec lavfi: filtfmts: use newer avfilter APIs
Signed-off-by: Martin Storsjö <martin@martin.st>
2013-07-19 12:22:30 +03:00
Carl Eugen Hoyos
36b21e17a2 lavf/concat: Never fail for sample aspect ratio 0:1.
Fixes ticket #2456.

Reviewed-by: Nicolas George
2013-07-18 13:51:23 +02:00
Carl Eugen Hoyos
42272e86fe lut3d: Fix reading 3dl files with leading comments.
Fixes ticket #2787.
2013-07-18 13:51:23 +02:00
Nicolas George
ebaf20e94b lavfi/scale: allocate interlaced scalers only if needed.
Fix "Value 0.000000 for parameter 'srch' out of range"
error message when source or destination height is 1.

Note: since the av_opt_set_int() calls are not checked for
failure and the interlaced scalers are not actually used,
this error has no consequence apart from a frightening message
in the log.
2013-07-18 12:08:25 +02:00
Michael Niedermayer
9d01bf7d66 Merge remote-tracking branch 'qatar/master'
* qatar/master:
  Consistently use "cpu_flags" as variable/parameter name for CPU flags

Conflicts:
	libavcodec/x86/dsputil_init.c
	libavcodec/x86/h264dsp_init.c
	libavcodec/x86/hpeldsp_init.c
	libavcodec/x86/motion_est.c
	libavcodec/x86/mpegvideo.c
	libavcodec/x86/proresdsp_init.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-18 09:53:47 +02:00
Michael Niedermayer
37ded53037 vf_scale: use sws_init_context()
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-18 01:21:27 +02:00
Diego Biurrun
3ac7fa81b2 Consistently use "cpu_flags" as variable/parameter name for CPU flags 2013-07-18 00:31:35 +02:00
Michael Niedermayer
10336ca640 Merge commit '50612484e058e8b241f0528584d64d9d2ccebf12'
* commit '50612484e058e8b241f0528584d64d9d2ccebf12':
  pthread: Rename thread_init to avoid symbol collision

Conflicts:
	libavcodec/pthread.c
	libavfilter/pthread.c

See: 674d8a9629
Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-17 10:40:15 +02:00
Sean McGovern
50612484e0 pthread: Rename thread_init to avoid symbol collision
The AIX threads library exposes a function with the same name.

Signed-off-by: Martin Storsjö <martin@martin.st>
2013-07-17 00:13:31 +03:00
Paul B Mahol
5999db97cf lavfi/scale: remove av_opt_free()
Generic code calls it already.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-15 15:27:19 +00:00
Michael Niedermayer
3ea765b033 avfilter/avf_concat: fix AVOption flags typo
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-15 14:15:15 +02:00
Paul B Mahol
85a22099a7 lavfi/stereo3d: subsampled yuv support for non-anaglyph outputs
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-14 21:57:03 +00:00
Paul B Mahol
d5598c0963 lavfi/drawutils: set subsampling for rgb too
Otherwise it is incorrectly set to 1.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-14 17:59:25 +00:00
Paul B Mahol
ed448efe61 lavfi/mp: remove mp=perspective
The filter was ported to a native libavfilter filter.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-14 16:27:18 +00:00
Paul B Mahol
80c6445932 lavfi: port perspective filter from libmpcodecs
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-14 16:27:17 +00:00
Paul B Mahol
fc6ca37316 lavfi/aecho: fix invalid free
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-13 23:45:05 +00:00
Paul B Mahol
f486d7e924 lavfi/silencedetect: unbreak for unknown channel layouts
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-13 22:23:09 +00:00
Paul B Mahol
099dfcaa0e lavfi/ashowinfo: unbreak for >8 channels
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-13 22:04:14 +00:00
Paul B Mahol
729709b890 lavfi/asetnsamples: unbreak for >8 channels
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-13 21:59:13 +00:00
Paul B Mahol
e9678631f1 lavfi/trim: fix sample copy for >8 channels
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-13 21:54:02 +00:00
Paul B Mahol
6347824d53 lavfi/showwaves: fix floating exception with >8 channels
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-13 21:46:27 +00:00
Michael Niedermayer
aac57c765f avfilter/asrc_aevalsrc: fix cases of unknown channel layout
Fixes >8 channels

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-13 23:10:15 +02:00
Jean Delvare
b6d0bb6086 lavfi/delogo: Fix sign extension issue
Coverity complains about a possible sign extension issue in
apply_delogo(). While it is extremely unlikely to happen, it is easy
to fix so let's just do that. Using unsigned variables even makes the
binary code smaller.

Fixes Coverity CID 1046439.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-13 17:05:03 +02:00
Michael Niedermayer
9219ec93b1 avfilter/trim: add compatibility layer to not break ABI used by ffmpeg
This is a hotfix to fix -t / -ss
a different solution might be choosen later, i just dont want to leave
this broken

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-12 21:27:26 +02:00
Paul B Mahol
b3405b1bda lavfi/trim: use AV_OPT_TYPE_DURATION
Workarounds for rounding differences between platforms should not be
needed any more.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-12 15:58:22 +00:00
Paul B Mahol
937cfebd72 lavfi/aevalsrc: remove hard limit on number of channels
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-12 15:51:47 +00:00
Michael Niedermayer
86d1a5d80f Merge remote-tracking branch 'qatar/master'
* qatar/master:
  vf_interlace: better handling of odd video size

Conflicts:
	libavfilter/vf_interlace.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-12 14:58:41 +02:00
Michael Niedermayer
bec509db43 vf_interlace: better handling of odd video size
Signed-off-by: Martin Storsjö <martin@martin.st>
2013-07-12 11:40:56 +03:00
Paul B Mahol
db4e191d88 lavfi/aevalsrc: do not free AVOption variables in uninit()
The generic code frees them already.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-10 19:22:07 +00:00
Paul B Mahol
badbd2414d lavfi/aevalsrc: use AV_OPT_TYPE_DURATION
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-10 19:16:00 +00:00
Paul B Mahol
1e89f74902 lavfi/afade: use av_rescale()
Should not make a difference, but its good idea.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-10 19:13:28 +00:00
Michael Niedermayer
0a3a0edd52 avfilter/af_earwax: Fix out of array accesses on odd packets
Found-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-10 16:46:13 +02:00
Paul B Mahol
bc95b94289 lavfi/aconvert: unbreak
Even if its deprecated, it should still work correctly.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-10 13:16:24 +00:00
Paul B Mahol
884c890535 lavfi: add aecho filter
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-10 12:10:58 +00:00
Michael Niedermayer
d5de123195 avfilter/graphparse: Fix build with --enable-incompatible-fork-abi
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-09 19:06:32 +02:00
Paul B Mahol
c5a1b18f18 lavfi/drawtext: add support for printing frame metadata
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-09 15:21:01 +00:00
Paul B Mahol
3c5071db88 lavfi/psnr: rename 's' parameter to match documentation
Also removes some irrelevant lines in documentation.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-09 09:40:53 +00:00
Paul B Mahol
a03e79ed5a lavfi: fix broken logic in metadata handling
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-08 20:13:56 +00:00
Paul B Mahol
19c8f22714 lavfi/rotate: switch to new drawutils
Get rid of ugly hacks, also add support for more pixel formats.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-08 16:40:49 +00:00
Paul B Mahol
55c94f48ce lavfi/drawutils: fix planar rgb
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-08 16:40:49 +00:00
Paul B Mahol
d2dd1e075c lavfi/pad: use FFSIGN
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-08 16:40:48 +00:00
Paul B Mahol
6150bec3f8 lavfi: add psnr filter
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-08 14:58:04 +00:00
Paul B Mahol
d64f3b72e0 replace some deprecated defines
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-06 05:43:24 +00:00
Paul B Mahol
9635806265 lavfi/blend: use dual input helpers
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-07-06 04:58:34 +00:00
Jean Delvare
4e10d87f38 lavfi/delogo: band width must be at least 1
We need at least one pixel around the logo to use as known points to
interpolate from. So properly declare the band/t attribute has having
a minimum value of 1.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Reviewed-by: Stefano Sabatini <stefasab@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-05 18:02:11 +02:00