Simple bar with foreground color on the background color

Replace moving-color-bars pattern with smpte100, and change
moving-speed to horizontal-speed.  Default is now 0.  Add
a rotation stage to pattern building.
Allocate a temporary scanline for building images.  Remove
unused code.  Disable several patterns that we're unable to
test and probably never used.  Add other variants of bayer
sampling.  Convert some patterns to use videotestsrc_blend_line.

This pattern is moving the color bars with a given
speed. Negative speed is inverting the moving direction.

https://bugzilla.gnome.org/show_bug.cgi?id=628500

Replace solid-color property with foreground-color and add
background-color.  Pull some common code out of each of the
pattern generating functions.  Fix many of the patterns to
use foreground-color/background-color instead of white/black.
Generated images are indentical to previously if foreground-color
and background-color are left as default.

API: GstVideoTestSrc::foreground-color
API: GstVideoTestSrc::background-color

... which generalizes the current listing of white, black, etc.
In particular, also allow specifying alpha channel, and modify
some structures and pattern filling to cater for alpha value as well.

Fixes #624919.

API: GstVideoTestSrc:solid-color

pattern=chroma-zone-plate is pattern similar to zone-plate,
but in the chroma channels instead of luma.

Adds a pattern with out-of-gamut colors in a checkerboard
pattern with in-gamut neighbors.  Useful for checking YCbCr->RGB
color matrixing.  Correct matrixing and clamping will cause the
checkerboard pattern to be invisible.

gst/videotestsrc/: Add a zone plate pattern generator based on BBC R&D Report 1978/23 (yeah *that* 1978).  Try 'video...

Original commit message from CVS:
Patch by: Jonathan Rosser <jonathan.rosser@rd.bbc.co.uk>
* gst/videotestsrc/gstvideotestsrc.c:
* gst/videotestsrc/gstvideotestsrc.h:
* gst/videotestsrc/videotestsrc.c:
* gst/videotestsrc/videotestsrc.h:
Add a zone plate pattern generator based on BBC R&D Report
1978/23 (yeah *that* 1978).  Try 'videotestsrc pattern=zone-plate
kx2=20 ky2=20 kt=1'.

gst/videotestsrc/: Add "colorspec" property, specifying whether to generate BT.601 or BT.709 video.  This only affect...

Original commit message from CVS:
* gst/videotestsrc/gstvideotestsrc.c:
* gst/videotestsrc/gstvideotestsrc.h:
* gst/videotestsrc/videotestsrc.c:
* gst/videotestsrc/videotestsrc.h:
Add "colorspec" property, specifying whether to generate BT.601
or BT.709 video.  This only affects YCbCr values, not RGB, since
if you're generating a 709 test pattern, presumably you want
709 RGB primaries, not 601.  Also add "smpte75" pattern, which
uses 75% colors instead of 100%, since this is often more useful
for testing (and also follows the SMPTE EG-1 guideline).

Original commit message from CVS:
* gst/videotestsrc/gstvideotestsrc.c:
(gst_video_test_src_class_init), (gst_video_test_src_init),
(gst_video_test_src_set_property),
(gst_video_test_src_get_property), (gst_video_test_src_create):
* gst/videotestsrc/gstvideotestsrc.h:
Cleanups, use default property values as defines.
Add property to enable/disable peer buffer allocation.

gst/videotestsrc/gstvideotestsrc.*: Add a "blink" pattern.  Turn on the pain.  Apologies.  It's useful for testing ve...

Original commit message from CVS:
* gst/videotestsrc/gstvideotestsrc.c:
* gst/videotestsrc/gstvideotestsrc.h:
Add a "blink" pattern.  Turn on the pain.  Apologies.  It's useful
for testing vertical refresh synchronization.

gst/videotestsrc/: Add a test pattern called "circular", which has concentric rings with varying radial frequency.  T...

Original commit message from CVS:
* gst/videotestsrc/gstvideotestsrc.c:
* gst/videotestsrc/gstvideotestsrc.h:
* gst/videotestsrc/videotestsrc.c:
* gst/videotestsrc/videotestsrc.h:
Add a test pattern called "circular", which has concentric
rings with varying radial frequency.  The main purpose of this
pattern is to test fidelity loss in a filter or scaler element.
Notably, this pattern is scale invariant, and is optimally viewed
with a width (and height) of 400.

Original commit message from CVS:
* gst/videotestsrc/gstvideotestsrc.c:
(gst_video_test_src_pattern_get_type),
(gst_video_test_src_set_pattern):
* gst/videotestsrc/gstvideotestsrc.h:
* gst/videotestsrc/videotestsrc.c: (gst_video_test_src_checkers1),
(gst_video_test_src_checkers2), (gst_video_test_src_checkers4),
(gst_video_test_src_checkers8):
* gst/videotestsrc/videotestsrc.h:
Add a bunch of exciting new checkers patterns.

Original commit message from CVS:
* gst/videotestsrc/gstvideotestsrc.c:
(gst_video_test_src_pattern_get_type),
(gst_video_test_src_set_pattern):
* gst/videotestsrc/gstvideotestsrc.h:
* gst/videotestsrc/videotestsrc.c: (gst_video_test_src_unicolor),
(gst_video_test_src_black), (gst_video_test_src_white),
(gst_video_test_src_red), (gst_video_test_src_green),
(gst_video_test_src_blue):
* gst/videotestsrc/videotestsrc.h:
Add more uni-colour patterns ("white", "red", "green", and "blue").

Original commit message from CVS:
* ext/alsa/gstalsamixerelement.h:
* ext/alsa/gstalsamixeroptions.h:
* ext/alsa/gstalsamixertrack.h:
* ext/gnomevfs/gstgnomevfssink.h:
* ext/gnomevfs/gstgnomevfssrc.h:
* ext/theora/gsttheoradec.h:
* ext/theora/gsttheoraenc.h:
* ext/theora/gsttheoraparse.h:
* ext/vorbis/vorbisparse.h:
* gst-libs/gst/audio/gstaudioclock.h:
* gst-libs/gst/audio/gstaudiofilter.h:
* gst-libs/gst/rtp/gstbasertpaudiopayload.h:
* gst/audioconvert/gstaudioconvert.h:
* gst/audioresample/gstaudioresample.h:
* gst/audiotestsrc/gstaudiotestsrc.h:
* gst/ffmpegcolorspace/gstffmpegcolorspace.h:
* gst/playback/gststreamselector.h:
* gst/tcp/gstmultifdsink.h:
* gst/tcp/gsttcpclientsink.h:
* gst/tcp/gsttcpclientsrc.h:
* gst/tcp/gsttcpserversink.h:
* gst/tcp/gsttcpserversrc.h:
* gst/videorate/gstvideorate.h:
* gst/videoscale/gstvideoscale.h:
* gst/videotestsrc/gstvideotestsrc.h:
* gst/volume/gstvolume.h:
* sys/v4l/gstv4ljpegsrc.h:
* sys/v4l/gstv4lmjpegsink.h:
* sys/v4l/gstv4lmjpegsrc.h:
* sys/v4l/gstv4lsrc.h:
* sys/ximage/ximagesink.h:
* sys/xvimage/xvimagesink.h:
* tests/old/testsuite/alsa/sinesrc.h:
Fix more gobject macros: obj<->klass, GstXXX<->GstXXXClass

Original commit message from CVS:
* docs/plugins/Makefile.am:
* docs/plugins/gst-plugins-base-plugins-docs.sgml:
* docs/plugins/gst-plugins-base-plugins-sections.txt:
* ext/gnomevfs/gstgnomevfssink.h:
* ext/gnomevfs/gstgnomevfssrc.h:
* ext/vorbis/vorbisdec.c: (vorbis_handle_data_packet):
* ext/vorbis/vorbisdec.h:
* ext/vorbis/vorbisenc.c: (gst_vorbisenc_convert_sink):
* ext/vorbis/vorbisenc.h:
* ext/vorbis/vorbisparse.c: (vorbis_parse_set_header_on_caps),
(vorbis_parse_chain), (vorbis_parse_change_state):
* ext/vorbis/vorbisparse.h:
* gst/audioconvert/gstaudioconvert.h:
* gst/tcp/gsttcpserversink.h:
* gst/videotestsrc/gstvideotestsrc.c:
* gst/videotestsrc/gstvideotestsrc.h:
* gst/volume/gstvolume.c:
* gst/volume/gstvolume.h:
Fix some more docs.
Added docs for vorbisdec and vorbisparse.
Fix vorbisparse.

Original commit message from CVS:
* gst/videotestsrc/gstvideotestsrc.c:
(gst_video_test_src_class_init), (gst_video_test_src_init),
(gst_video_test_src_parse_caps), (gst_video_test_src_query),
(gst_video_test_src_do_seek), (gst_video_test_src_is_seekable),
(gst_video_test_src_create):
* gst/videotestsrc/gstvideotestsrc.h:
Implement seeking in videotestsrc.
Small cleanups.

Original commit message from CVS:
expand tabs

Original commit message from CVS:
borgify further
clean up docs a little

Original commit message from CVS:
* ext/libvisual/visual.c: (gst_visual_src_setcaps), (get_buffer),
(gst_visual_chain):
* ext/ogg/gstogmparse.c: (gst_ogm_parse_chain):
* ext/theora/theoradec.c: (theora_handle_type_packet):
* ext/theora/theoraenc.c: (theora_enc_sink_setcaps),
(theora_enc_chain):
* gst-libs/gst/riff/riff-media.c: (gst_riff_create_video_caps):
* gst-libs/gst/video/video.c: (gst_video_frame_rate):
* gst-libs/gst/video/video.h:
* gst/ffmpegcolorspace/avcodec.h:
* gst/ffmpegcolorspace/gstffmpegcodecmap.c:
(gst_ffmpeg_caps_to_pixfmt):
* gst/ffmpegcolorspace/gstffmpegcolorspace.c:
(gst_ffmpegcsp_set_caps):
* gst/videorate/gstvideorate.c: (gst_videorate_transformcaps),
(gst_videorate_setcaps), (gst_videorate_blank_data),
(gst_videorate_chain):
* gst/videotestsrc/gstvideotestsrc.c:
(gst_videotestsrc_src_fixate), (gst_videotestsrc_getcaps),
(gst_videotestsrc_parse_caps), (gst_videotestsrc_setcaps),
(gst_videotestsrc_event), (gst_videotestsrc_create):
* gst/videotestsrc/gstvideotestsrc.h:
* sys/ximage/ximagesink.c: (gst_ximagesink_xcontext_get),
(gst_ximagesink_setcaps), (gst_ximagesink_change_state),
(gst_ximagesink_get_times), (gst_ximagesink_init):
* sys/ximage/ximagesink.h:
* sys/xvimage/xvimagesink.c: (gst_xvimagesink_get_xv_support),
(gst_xvimagesink_setcaps), (gst_xvimagesink_change_state),
(gst_xvimagesink_get_times), (gst_xvimagesink_init):
* sys/xvimage/xvimagesink.h:
Convert elements to use fractions for their framerate.
V4L elements to come later tonight.

Original commit message from CVS:
2005-09-28  Andy Wingo  <wingo@pobox.com>

* gst/videotestsrc/gstvideotestsrc.c: Implement live source mode
and unlocking.

Original commit message from CVS:
2005-07-19  Andy Wingo  <wingo@pobox.com>

* gst/videotestsrc/: Cleanups.

Original commit message from CVS:
* gst/videotestsrc/Makefile.am:
* gst/videotestsrc/gstvideotestsrc.c: (gst_videotestsrc_get_type),
(gst_videotestsrc_class_init), (gst_videotestsrc_negotiate),
(gst_videotestsrc_setcaps), (gst_videotestsrc_getcaps),
(gst_videotestsrc_init), (gst_videotestsrc_event),
(gst_videotestsrc_create), (gst_videotestsrc_start),
(gst_videotestsrc_stop), (gst_videotestsrc_get_times),
(gst_videotestsrc_set_pattern), (gst_videotestsrc_set_property),
(gst_videotestsrc_get_property):
* gst/videotestsrc/gstvideotestsrc.h:
Make videotestsrc a pushsrc.

Original commit message from CVS:
move common code out of if

Original commit message from CVS:
cleanup and commenting

Original commit message from CVS:
* ext/dvdnav/gst-dvd: Grab the gconf key from the right spot
* gst/debug/gstnavseek.c: (gst_navseek_init),
(gst_navseek_segseek), (gst_navseek_handle_src_event),
(gst_navseek_chain):
* gst/debug/gstnavseek.h: Add 's', 'e' and 'l' keypresses to navseek
to define the start,end and loop parameters of a segment seek.
* gst/videotestsrc/gstvideotestsrc.c: (gst_videotestsrc_init),
(gst_videotestsrc_get_event_masks),
(gst_videotestsrc_handle_src_event), (gst_videotestsrc_get):
* gst/videotestsrc/gstvideotestsrc.h:
Add seeking support to videotestsrc
Initialise the timestamp_offset variable.

Original commit message from CVS:
add num-buffers property

Original commit message from CVS:
* *.h: Revert indenting

Original commit message from CVS:
gst-indent

ext/ffmpeg/gstffmpegenc.c: Fix pad_link function to handle formats that ffmpeg returns as multiple caps structures.

Original commit message from CVS:
* ext/ffmpeg/gstffmpegenc.c: (gst_ffmpegenc_connect):
Fix pad_link function to handle formats that ffmpeg returns
as multiple caps structures.
* gst/videofilter/gstvideofilter.c: (gst_videofilter_chain):
Only complain if source buffer is _smaller_ than expected.
* gst/videoscale/gstvideoscale.c: (gst_videoscale_init),
(gst_videoscale_handle_src_event): Resize navigation events
when passing them upstream.
* gst/videotestsrc/gstvideotestsrc.c:
* gst/videotestsrc/gstvideotestsrc.h:
* gst/videotestsrc/videotestsrc.c:
* gst/videotestsrc/videotestsrc.h:
Rewrite many of the buffer painting functions to handle odd
sizes (for many formats, size%4!=0 or size%8!=0).  Most have
been verified to work with my video card.
* testsuite/gst-lint:  Add check for elements calling
gst_pad_get_caps() instead of gst_pad_get_allowed_caps().

Original commit message from CVS:
Merge CAPS branch

Remove all config.h includes from header files, add it to each source file and remove duplicate config.h includes fro...

Original commit message from CVS:
Remove all config.h includes from header files, add it to each source file and remove duplicate config.h includes from several source files

Caps fixes.  Change meaning of parameters to "default" size and rate.  Minor fixes with timestamps.  Added 'YUV9', 'Y...

Original commit message from CVS:
Caps fixes.  Change meaning of parameters to "default" size and
rate.  Minor fixes with timestamps.  Added 'YUV9', 'YVU9', and 'IYU2'
formats.

New mimetypes gone into effect today - this commit changes all old mimetypes over to the new mimetypes spec as descri...

Original commit message from CVS:
New mimetypes gone into effect today - this commit changes all old mimetypes over to the new mimetypes spec as described in the previous commit's document. Note: some plugins will break, some pipelines will break, expect HEAD to be broken or at least not 100% working for a few days, but don't forget to report bugs

Original commit message from CVS:
Add sync parameter

Original commit message from CVS:
Add parameter to set the type of test pattern.  Fix black test pattern.

Original commit message from CVS:
Significant improvements to videotestsrc.  More modular, handles RGB
formats.

Original commit message from CVS:
Do rate control, skip frames when too old.