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Author SHA1 Message Date
Thibault Saunier 2fd28195ca Move files from gst-plugins-base into the "subprojects/gst-plugins-base/" subdir 2021-09-24 16:13:26 -03:00
Sebastian Dröge a14f4f48c4 video-overlay-composition: Allow empty overlay compositions 
Allowing to pass NULL to the constructor removes the need to
special-case the first rectangle in calling code and generally
simplifies application code.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/1256>
 2021-08-16 21:13:27 +00:00
Matthew Waters 98249a57db gst: don't use volatile to mean atomic 
volatile is not sufficient to provide atomic guarantees and real atomics
should be used instead.  GCC 11 has started warning about using volatile
with atomic operations.

https://gitlab.gnome.org/GNOME/glib/-/merge_requests/1719

Discovered in https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/issues/868

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/1073>
 2021-03-19 04:20:19 +00:00
Marijn Suijten abb026ec6a gl,video: Make ptrs to VideoInfo and (GL)AllocationParams immutable 
These parameters are incorrectly regarded as mutable in G-IR making them
"incompatible" with languages that are explicit about mutability like
Rust. In order to clean up the code and expected API there, update the
signatures here, right at the source (instead of overriding them in
Gir.toml and hoping for the best).

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/1005>
 2021-01-14 11:53:10 +00:00
Thibault Saunier 909baa2360 Pass the code through codespell 2019-08-30 13:05:36 +00:00
Sebastian Dröge f441b5216e video-overlay-composition: Optimize premultiplication/unpremultiplication loops 
Pull in video frame fields into local variables. Without this the
compiler must assume that they could've changed on every use and read
them from memory again.

This reduces the inner loop from 6 memory reads per pixels to 4, and the
number of writes stays at 3.
 2018-12-07 19:23:49 +02:00
Sebastian Dröge bb0d58a905 video-overlay-composition: Handle miniobject writability correctly 
By tracking parents and using the proper GstMiniObject API for detecting
writability instead of just the reference count.

https://bugzilla.gnome.org/show_bug.cgi?id=797230
 2018-10-01 12:19:22 +03:00
Edward Hervey 22c9e5f7c1 libs: Documentation cleanup 
* Fix wrong naming, wrong types and typos
* Add missing sections
* Add missing documentation for entries
* Explicitely mark private structure entries
* Remove items that never existed
 2018-04-02 08:53:28 +02:00
Thibault Saunier 099ac9faf2 docs: Convert gtkdoc comments to markdown 
Modernizing the documentation, making it simpler to read an
modify and allowing us to possibly switch to hotdoc in the
future.
 2017-03-10 18:19:17 -03:00
Sebastian Dröge 681d97aed7 video: Handle errors in gst_video_info_set_format() / gst_video_info_align() 
https://bugzilla.gnome.org/show_bug.cgi?id=774588
 2016-11-24 15:06:39 +02:00
Scott D Phillips 6e71583d07 Cast away const from GstMetaInfo in *_get_meta_info() functions 
MSVC warns about the const in the implicit argument conversion in the
calls to g_once_init_{enter,leave}. It's OK so explicitly cast it.

https://bugzilla.gnome.org/show_bug.cgi?id=774293
 2016-11-15 14:52:22 +02:00
Víctor Manuel Jáquez Leal dcfc69ab1d videooverlaycomposition: document required map flags 
Fix documentation for gst_video_overlay_composition_blend(). The video frame
needs to be mapped with GST_MAP_READWRITE flag.

https://bugzilla.gnome.org/show_bug.cgi?id=771382
 2016-09-14 11:17:25 +02:00
Sebastian Dröge a82ef8983e videometa: Initialize all fields of all metas with default values 
The metas are not allocated with all fields initialized to zeroes.

https://bugzilla.gnome.org/show_bug.cgi?id=764902
 2016-04-13 10:10:51 +03:00
Hyunjun Ko 9dc463346e video/audio meta: transform_func: return FALSE if not supported or failed 
https://bugzilla.gnome.org/show_bug.cgi?id=751778
 2015-07-07 16:41:23 +03:00
Nicolas Dufresne 3d594ad57f gi: Add (transfer none) for various video meta 
These method chains gst_buffer_add_meta() which is also transfer
none.
 2015-06-16 16:07:27 -04:00
Jan Schmidt 2a37534129 video: Various simple docs fixes 2014-08-15 01:08:12 +10:00
Vincent Penquerc'h 3d1fdf8dd8 video-overlay-composition: guard against NULL pointer dereference on error 
If gst_video_overlay_rectangle_apply_global_alpha is called with
a rectangle with unsuitable alpha, expanding the alpha plane will
fail, and thus lead to dereferencing a NULL src pointer. It's not
certain this will happen in practice, as the function is static
and callers might ensure suitable alpha before calling, but there
is no apparent explicit such check.
Add prologue asserts for proper alpha to explicitely prevent this.

Coverity 1139707
 2014-04-10 12:35:03 +01:00
Arnaud Vrac 95266cf212 video-overlay-composition: fix ayuv/argb conversion 
Helps when using dvbsuboverlay in connection with vaapisink
or some other video sink that wants ARGB pixels (dvbsuboverlay
attaches pixels in AYUV format, and we then convert as needed).

Alignment should not be a problem here.
 2013-02-19 20:39:29 +00:00
Tim-Philipp Müller 0b329f2c22 video: add define for video formats supported by the overlay blending code 
For use in template caps by overlay elements that use
video_overlay_composition_blend().

API: GST_VIDEO_OVERLAY_COMPOSITION_BLEND_FORMATS

https://bugzilla.gnome.org/show_bug.cgi?id=665751
 2013-02-19 12:54:40 +00:00
Tim-Philipp Müller 5f59b4f7ee Fix FSF address 
https://bugzilla.gnome.org/show_bug.cgi?id=687520
 2012-11-03 23:05:09 +00:00
Michael Smith a29c4f9489 meta registration: use g_once functions to register these threadsafely. 2012-10-03 10:44:59 -07:00
Mark Nauwelaerts cd2e795154 videooverlaycomposition: add some _get_argb and _get_ayuv functions 
... that will handle automatic conversion to indicated format.

Fixes https://bugzilla.gnome.org/show_bug.cgi?id=683180
 2012-09-05 10:15:51 +02:00
Mark Nauwelaerts 89228e911c videooverlaycomposition: allow more formats for rectangle pixel data 
... adding AYUV, and allowing for ARGB or RGBA endian-independent.
 2012-08-30 12:12:39 +02:00
Mark Nauwelaerts dd4836a8d1 videooverlaycomposition: stricter check on input variables 2012-08-28 11:01:46 +02:00
Tim-Philipp Müller ed8504e590 video-overlay-composition: fix GSlice alloc/free size mismatch 
Fix copy'n'paste bug which made us allocate a slice of the
size of a rectangle for the overlay composition, but then
free it passing the size of an overlay composition, which
is not something GSlice takes to kindly, resulting in scary
aborts like:

***MEMORY-ERROR***: GSlice: assertion failed: sinfo->n_allocated > 0

Also, g_slice_new already includes a cast, so remove our
own casts, without which the compiler would probably have
told us about this ages ago.

https://bugzilla.gnome.org/show_bug.cgi?id=680091
 2012-07-19 13:39:25 +01:00
Mark Nauwelaerts f89c7b605f videooverlaycomposition: replace API parameters with required video meta on pixel data 2012-07-17 18:08:11 +02:00
Mark Nauwelaerts d8a9c18e81 videooverlaycomposition: use GstVideoInfo internally and streamline stride handling 2012-07-17 18:08:11 +02:00
Edward Hervey 2817bdadc9 libs: Remove "Since" markers and minor doc fixups 2012-07-13 12:11:06 +02:00
Mark Nauwelaerts db3ce93c51 Revert "videooverlaycomposition: ensure proper buffer copy" 
This reverts commit 1d413ace64.

Plain gst_buffer_copy() is now doing the expected ...

See https://bugzilla.gnome.org/show_bug.cgi?id=678384.
 2012-07-05 16:39:17 +02:00
Wim Taymans f7f2c13efc update for miniobject changes 2012-07-04 17:06:28 +02:00
Mark Nauwelaerts bcc5a89a98 videooverlaycomposition: make API meta oriented 
... and as such more consistent with other buffer meta components.
 2012-07-03 14:27:35 +02:00
Mark Nauwelaerts 1d413ace64 videooverlaycomposition: ensure proper buffer copy 
This is only temporary and could and should be modified to use
regular buffer copy once https://bugzilla.gnome.org/show_bug.cgi?id=679145
is resolved.
 2012-07-02 14:34:14 +02:00
Mark Nauwelaerts 0fba95a7b1 videooverlaycomposition: fix some refcounting and avoid possible NULL use 2012-06-29 18:56:09 +02:00
Mark Nauwelaerts e94022806f videooverlaycomposition: port to 0.11 
... which also entails porting video-blend

Fixes #678384.
 2012-06-28 18:16:20 +02:00
Sebastian Dröge 9e13d70b2c Merge remote-tracking branch 'origin/0.10' 
Conflicts:
	gst-libs/gst/video/video-overlay-composition.c
	tests/check/libs/video.c
 2012-03-29 15:00:22 +02:00
Tim-Philipp Müller 32679e1826 video: overlay-composition: some minor clean-ups 
extract_alpha and apply_global alpha always return TRUE really,
so just do away with the return value. Convert a g_return_if_fail()
into a g_assert(), since this is only to check internal consistency
and not a guard for public API. Add some locking.

https://bugzilla.gnome.org/show_bug.cgi?id=668483
 2012-03-25 11:27:24 +01:00
Holger Kaelberer 76c0881549 video: overlay-composition: add support for global alpha multiplicator 
https://bugzilla.gnome.org/show_bug.cgi?id=668483
 2012-03-25 11:27:24 +01:00
Wim Taymans 32bd12dba9 Merge branch 'master' into 0.11 
Conflicts:
	.gitignore
	common
	configure.ac
	ext/vorbis/gstvorbisdeclib.h
	gst-libs/gst/audio/gstaudioencoder.c
	gst-libs/gst/riff/riff-read.c
	gst/playback/gstplaysink.c
	gst/playback/gstplaysinkconvertbin.c
	tests/check/libs/video.c
 2012-03-22 11:35:13 +01:00
Tim-Philipp Müller 2c4b379470 video: overlay-composition: fix alpha premultiply and unpremultiply 
Fix component offsets for little endian systems.

https://bugzilla.gnome.org/show_bug.cgi?id=668483
 2012-03-14 18:04:38 +00:00
Holger Kaelberer 027f5bb471 video: overlay-composition: fix rectangle caching after alpha (un)premultiplying 
If we are asked to (un)premultiply,we need to create the new rectangle
with the right flags, so we can find it properly on subsequent cache
lookups (also because it's wrong otherwise).

https://bugzilla.gnome.org/show_bug.cgi?id=668483
 2012-03-14 18:04:38 +00:00
Holger Kaelberer 7a21d1eb32 video: overlay-composition: fix crash when doing premultiplied<->unpremultiplied alpha conversion 
We need to copy the pixels before messing with them, not least
because the buffer creation code below assumes it's ok to take
ownership.

Fixes crash caused by double-free.

https://bugzilla.gnome.org/show_bug.cgi?id=668483
 2012-03-14 18:04:38 +00:00
Holger Kaelberer 6b7f25a2f0 video: overlay-composition: check the right flags when searching for a cached rectangle 
Compare the flags of the *cached* rectangle to the desired flags when
checking for a suitable rectangle in the cache.

https://bugzilla.gnome.org/show_bug.cgi?id=668483
 2012-03-14 18:04:37 +00:00
Tim-Philipp Müller 576bbb4fd8 Remove compatibility code cruft for old GLib versions 2012-01-18 17:22:21 +00:00
Sebastian Dröge dc8984d76c Merge branch 'master' into 0.11 
Conflicts:
	gst-libs/gst/app/gstappsrc.c
	gst-libs/gst/audio/multichannel.h
	gst-libs/gst/video/videooverlay.c
	gst/playback/gstplaysink.c
	gst/playback/gststreamsynchronizer.c
	tests/check/Makefile.am
	win32/common/libgstvideo.def
 2012-01-10 13:15:12 +01:00
Vincent Penquerc'h 5cf87eedc4 video: overlays may now have premultiplied alpha 
https://bugzilla.gnome.org/show_bug.cgi?id=666177
 2012-01-06 10:19:19 +00:00
Wim Taymans ddc05e0ed1 propertyprobe: remove propertyprobe 
Remove the propertyprobe interface
Improve docs
 2011-12-21 11:58:53 +01:00
Tim-Philipp Müller 91bbfbd819 video: make composition_blend() return a boolean 
Not that anyone will ever check that, and it's not clear what
they're supposed to do if it fails, but at least it's there.
 2011-12-07 18:45:28 +00:00
Tim-Philipp Müller 6757afc0bc docs: add new API to docs 2011-12-07 18:38:06 +00:00
Tim-Philipp Müller 5037b39883 video: add seqnum getters for overlay compositions and rectangles 
API: gst_video_overlay_composition_get_seqnum()
API: gst_video_overlay_rectangle_get_seqnum()
 2011-12-07 17:57:08 +00:00
Tim-Philipp Müller 7d20a7bdb9 video: don't use deprecated GStaticMutex with newer glib versions 2011-12-05 15:48:07 +00:00