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videodirection: interface for rotation and flip

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A GstVideoOrientationMethod enumeration is also provided for the
admitted property values.

https://bugzilla.gnome.org/show_bug.cgi?id=768687
This commit is contained in:
Xabier Rodriguez Calvar 2016-07-26 19:14:40 +02:00 committed by Sebastian Dröge
parent 89554f665b
commit 0341f04ce1
11 changed files with 169 additions and 1 deletions
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1
docs/libs/gst-plugins-base-libs-docs.sgml
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@ -209,6 +209,7 @@
<xi:include href="xml/gstvideosink.xml" />
<xi:include href="xml/gstcolorbalance.xml" />
<xi:include href="xml/gstcolorbalancechannel.xml" />
<xi:include href="xml/gstvideodirection.xml" />
<xi:include href="xml/gstvideoorientation.xml" />
<xi:include href="xml/gstvideooverlay.xml" />
<xi:include href="xml/gstvideodecoder.xml" />

15
docs/libs/gst-plugins-base-libs-sections.txt
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@ -880,6 +880,19 @@ GST_IS_STREAM_VOLUME_INTERFACE
gst_stream_volume_get_type
</SECTION>
<SECTION>
<FILE>gstvideodirection</FILE>
<INCLUDE>gst/video/videodirection.h</INCLUDE>
GstVideoDirection
GstVideoDirectionInterface
<SUBSECTION Standard>
GST_TYPE_VIDEO_DIRECTION
GST_VIDEO_DIRECTION
GST_IS_VIDEO_DIRECTION
GST_VIDEO_DIRECTION_GET_INTERFACE
gst_video_direction_get_type
</SECTION>
<SECTION>
<FILE>gstvideoorientation</FILE>
<INCLUDE>gst/video/videoorientation.h</INCLUDE>
@ -2365,6 +2378,8 @@ GST_META_TAG_VIDEO_ORIENTATION_STR
GST_META_TAG_VIDEO_SIZE_STR
GST_META_TAG_VIDEO_COLORSPACE_STR
GstVideoOrientationMethod
#video-event.h
<SUBSECTION>
gst_video_event_new_still_frame

2
docs/libs/gst-plugins-base-libs.types
View file

@ -43,6 +43,8 @@ gst_video_sink_get_type
#include <gst/video/colorbalance.h>
gst_color_balance_get_type
gst_color_balance_channel_get_type
#include <gst/video/videodirection.h>
gst_video_direction_get_type
#include <gst/video/videoorientation.h>
gst_video_orientation_get_type
#include <gst/video/videooverlay.h>

2
gst-libs/gst/video/Makefile.am
View file

@ -38,6 +38,7 @@ libgstvideo_@GST_API_VERSION@_la_SOURCES = \
gstvideoaffinetransformationmeta.c \
gstvideometa.c \
gstvideopool.c \
videodirection.c \
videoorientation.c \
videooverlay.c \
gstvideodecoder.c \
@ -73,6 +74,7 @@ libgstvideo_@GST_API_VERSION@include_HEADERS = \
gstvideometa.h \
gstvideoaffinetransformationmeta.h \
gstvideopool.h \
videodirection.h \
videoorientation.h \
videooverlay.h \
gstvideodecoder.h \

31
gst-libs/gst/video/video.h
View file

@ -57,6 +57,36 @@ struct _GstVideoAlignment
guint stride_align[GST_VIDEO_MAX_PLANES];
};
/**
* GstVideoOrientationMethod:
* @GST_VIDEO_ORIENTATION_IDENTITY: Identity (no rotation)
* @GST_VIDEO_ORIENTATION_90R: Rotate clockwise 90 degrees
* @GST_VIDEO_ORIENTATION_180: Rotate 180 degrees
* @GST_VIDEO_ORIENTATION_90L: Rotate counter-clockwise 90 degrees
* @GST_VIDEO_ORIENTATION_HORIZ: Flip horizontally
* @GST_VIDEO_ORIENTATION_VERT: Flip vertically
* @GST_VIDEO_ORIENTATION_UL_LR: Flip across upper left/lower right diagonal
* @GST_VIDEO_ORIENTATION_UR_LL: Flip across upper right/lower left diagonal
* @GST_VIDEO_ORIENTATION_AUTO: Select flip method based on image-orientation tag
* @GST_VIDEO_ORIENTATION_CUSTOM: Current status depends on plugin internal setup
*
* The different video orientation methods.
*
* Since: 1.10
*/
typedef enum {
GST_VIDEO_ORIENTATION_IDENTITY,
GST_VIDEO_ORIENTATION_90R,
GST_VIDEO_ORIENTATION_180,
GST_VIDEO_ORIENTATION_90L,
GST_VIDEO_ORIENTATION_HORIZ,
GST_VIDEO_ORIENTATION_VERT,
GST_VIDEO_ORIENTATION_UL_LR,
GST_VIDEO_ORIENTATION_UR_LL,
GST_VIDEO_ORIENTATION_AUTO,
GST_VIDEO_ORIENTATION_CUSTOM,
} GstVideoOrientationMethod;
/* metadata macros */
/**
* GST_META_TAG_VIDEO_STR:
@ -137,6 +167,7 @@ G_END_DECLS
#include <gst/video/navigation.h>
#include <gst/video/video-blend.h>
#include <gst/video/video-event.h>
#include <gst/video/videodirection.h>
#include <gst/video/videoorientation.h>
#include <gst/video/video-overlay-composition.h>
#include <gst/video/videooverlay.h>

52
gst-libs/gst/video/videodirection.c Normal file
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@ -0,0 +1,52 @@
/* GStreamer
* Copyright (C) 2016 Igalia <calvaris@igalia.com>
*
* videodirection.c: video rotation and flipping interface
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "video.h"
#define PROP_DIRECTION_DEFAULT GST_VIDEO_ORIENTATION_IDENTITY
/**
* SECTION:gstvideodirection
* @short_description: Interface for elements providing video
* rotation and flipping controls
*
* The interface allows unified access to control flipping and rotation
* operations of video-sources or operators.
*
* Since: 1.10
*/
G_DEFINE_INTERFACE (GstVideoDirection, gst_video_direction, 0);
static void
gst_video_direction_default_init (GstVideoDirectionInterface * iface)
{
g_object_interface_install_property (iface,
g_param_spec_enum ("video-direction", "Video direction",
"Video direction: rotation and flipping",
GST_TYPE_VIDEO_ORIENTATION_METHOD, PROP_DIRECTION_DEFAULT,
GST_PARAM_CONTROLLABLE | G_PARAM_READWRITE | G_PARAM_CONSTRUCT |
G_PARAM_STATIC_STRINGS));
}

62
gst-libs/gst/video/videodirection.h Normal file
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@ -0,0 +1,62 @@
/* GStreamer
* Copyright (C) 2016 Igalia <calvaris@igalia.com>
*
* videodirection.h: video rotation and flipping interface
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_VIDEO_DIRECTION_H__
#define __GST_VIDEO_DIRECTION_H__
#include <gst/gst.h>
G_BEGIN_DECLS
#define GST_TYPE_VIDEO_DIRECTION \
(gst_video_direction_get_type ())
#define GST_VIDEO_DIRECTION(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_VIDEO_DIRECTION, GstVideoDirection))
#define GST_IS_VIDEO_DIRECTION(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VIDEO_DIRECTION))
#define GST_VIDEO_DIRECTION_GET_INTERFACE(inst) \
(G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_VIDEO_DIRECTION, GstVideoDirectionInterface))
/**
* GstVideoDirection:
*
* Opaque #GstVideoDirection data structure.
*
* Since: 1.10
*/
typedef struct _GstVideoDirection GstVideoDirection;
typedef struct _GstVideoDirectionInterface GstVideoDirectionInterface;
/**
* GstVideoDirectionInterface:
* @iface: parent interface type.
*
* #GstVideoDirectionInterface interface.
*
* Since: 1.10
*/
struct _GstVideoDirectionInterface
{
GTypeInterface iface;
};
GType gst_video_direction_get_type (void);
G_END_DECLS
#endif /* __GST_VIDEO_DIRECTION_H__ */

1
gst-plugins-base.spec.in
View file

@ -221,6 +221,7 @@ GStreamer Plugins Base library development and header files.
%{_includedir}/gstreamer-%{majorminor}/gst/audio/streamvolume.h
%{_includedir}/gstreamer-%{majorminor}/gst/video/colorbalance.h
%{_includedir}/gstreamer-%{majorminor}/gst/video/colorbalancechannel.h
%{_includedir}/gstreamer-%{majorminor}/gst/video/videodirection.h
%{_includedir}/gstreamer-%{majorminor}/gst/video/videoorientation.h
%{_includedir}/gstreamer-%{majorminor}/gst/video/videooverlay.h
%{_includedir}/gstreamer-%{majorminor}/gst/app/app.h

1
tests/check/libs/gstlibscpp.cc
View file

@ -89,6 +89,7 @@
#include <gst/video/video.h>
#include <gst/video/colorbalancechannel.h>
#include <gst/video/colorbalance.h>
#include <gst/video/videodirection.h>
#include <gst/video/videoorientation.h>
#include <gst/video/videooverlay.h>
#include <gst/video/navigation.h>

1
tests/check/libs/libsabi.c
View file

@ -62,6 +62,7 @@
#include <gst/video/gstvideofilter.h>
#include <gst/video/gstvideosink.h>
#include <gst/video/colorbalance.h>
#include <gst/video/videodirection.h>
#include <gst/video/videoorientation.h>
#include <gst/video/videooverlay.h>
#include <gst/video/navigation.h>

2
tests/icles/test-header-compile
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@ -48,7 +48,7 @@ for lib in allocators app audio fft pbutils riff rtp rtsp sdp tag video ; do
video-info.h video-frame.h gstvideosink.h gstvideofilter.h \
gstvideometa.h gstvideopool.h videoorientation.h videooverlay.h \
gstvideodecoder.h gstvideoencoder.h gstvideoutils.h \
video-blend.h video-overlay-composition.h"
video-blend.h video-overlay-composition.h videodirection.h"
fi
CFLAGS=`pkg-config --cflags gstreamer-1.0 gstreamer-$lib-1.0`