mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-01 06:01:04 +00:00
bbae92bbc4
Original commit message from CVS: 2007-02-06 Julien MOUTTE <julien@moutte.net> * sys/xvimage/xvimagesink.c: (gst_xvimagesink_handle_xevents), (gst_xvimagesink_get_xv_support), (gst_xvimagesink_xcontext_clear), (gst_xvimagesink_interface_supported), (gst_xvimagesink_probe_get_properties), (gst_xvimagesink_probe_probe_property), (gst_xvimagesink_probe_needs_probe), (gst_xvimagesink_probe_get_values), (gst_xvimagesink_property_probe_interface_init), (gst_xvimagesink_set_property), (gst_xvimagesink_get_property), (gst_xvimagesink_init), (gst_xvimagesink_class_init), (gst_xvimagesink_get_type): * sys/xvimage/xvimagesink.h: Implement PropertyProbe Interface for XVAdaptors so that one can choose the adaptor to use with gstreamer-properties.
274 lines
8.1 KiB
C
274 lines
8.1 KiB
C
/* GStreamer
|
|
* Copyright (C) <2005> Julien Moutte <julien@moutte.net>
|
|
*
|
|
* 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., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef __GST_XVIMAGESINK_H__
|
|
#define __GST_XVIMAGESINK_H__
|
|
|
|
#include <gst/video/gstvideosink.h>
|
|
|
|
#ifdef HAVE_XSHM
|
|
#include <sys/types.h>
|
|
#include <sys/ipc.h>
|
|
#include <sys/shm.h>
|
|
#endif /* HAVE_XSHM */
|
|
|
|
#include <X11/Xlib.h>
|
|
#include <X11/Xutil.h>
|
|
|
|
#ifdef HAVE_XSHM
|
|
#include <X11/extensions/XShm.h>
|
|
#endif /* HAVE_XSHM */
|
|
|
|
#include <X11/extensions/Xv.h>
|
|
#include <X11/extensions/Xvlib.h>
|
|
|
|
#include <string.h>
|
|
#include <math.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_XVIMAGESINK \
|
|
(gst_xvimagesink_get_type())
|
|
#define GST_XVIMAGESINK(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_XVIMAGESINK, GstXvImageSink))
|
|
#define GST_XVIMAGESINK_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_XVIMAGESINK, GstXvImageSinkClass))
|
|
#define GST_IS_XVIMAGESINK(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_XVIMAGESINK))
|
|
#define GST_IS_XVIMAGESINK_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_XVIMAGESINK))
|
|
|
|
typedef struct _GstXContext GstXContext;
|
|
typedef struct _GstXWindow GstXWindow;
|
|
typedef struct _GstXvImageFormat GstXvImageFormat;
|
|
typedef struct _GstXvImageBuffer GstXvImageBuffer;
|
|
typedef struct _GstXvImageBufferClass GstXvImageBufferClass;
|
|
|
|
typedef struct _GstXvImageSink GstXvImageSink;
|
|
typedef struct _GstXvImageSinkClass GstXvImageSinkClass;
|
|
|
|
/**
|
|
* GstXContext:
|
|
* @disp: the X11 Display of this context
|
|
* @screen: the default Screen of Display @disp
|
|
* @screen_num: the Screen number of @screen
|
|
* @visual: the default Visual of Screen @screen
|
|
* @root: the root Window of Display @disp
|
|
* @white: the value of a white pixel on Screen @screen
|
|
* @black: the value of a black pixel on Screen @screen
|
|
* @depth: the color depth of Display @disp
|
|
* @bpp: the number of bits per pixel on Display @disp
|
|
* @endianness: the endianness of image bytes on Display @disp
|
|
* @width: the width in pixels of Display @disp
|
|
* @height: the height in pixels of Display @disp
|
|
* @widthmm: the width in millimeters of Display @disp
|
|
* @heightmm: the height in millimeters of Display @disp
|
|
* @par: the pixel aspect ratio calculated from @width, @widthmm and @height,
|
|
* @heightmm ratio
|
|
* @use_xshm: used to known wether of not XShm extension is usable or not even
|
|
* if the Extension is present
|
|
* @xv_port_id: the XVideo port ID
|
|
* @im_format: used to store at least a valid format for XShm calls checks
|
|
* @formats_list: list of supported image formats on @xv_port_id
|
|
* @channels_list: list of #GstColorBalanceChannels
|
|
* @caps: the #GstCaps that Display @disp can accept
|
|
*
|
|
* Structure used to store various informations collected/calculated for a
|
|
* Display.
|
|
*/
|
|
struct _GstXContext {
|
|
Display *disp;
|
|
|
|
Screen *screen;
|
|
gint screen_num;
|
|
|
|
Visual *visual;
|
|
|
|
Window root;
|
|
|
|
gulong white, black;
|
|
|
|
gint depth;
|
|
gint bpp;
|
|
gint endianness;
|
|
|
|
gint width, height;
|
|
gint widthmm, heightmm;
|
|
GValue *par; /* calculated pixel aspect ratio */
|
|
|
|
gboolean use_xshm;
|
|
|
|
XvPortID xv_port_id;
|
|
guint nb_adaptors;
|
|
gchar ** adaptors;
|
|
gint im_format;
|
|
|
|
GList *formats_list;
|
|
GList *channels_list;
|
|
|
|
GstCaps *caps;
|
|
|
|
/* Optimisation storage for buffer_alloc return */
|
|
GstCaps *last_caps;
|
|
gint last_format;
|
|
};
|
|
|
|
/**
|
|
* GstXWindow:
|
|
* @win: the Window ID of this X11 window
|
|
* @width: the width in pixels of Window @win
|
|
* @height: the height in pixels of Window @win
|
|
* @internal: used to remember if Window @win was created internally or passed
|
|
* through the #GstXOverlay interface
|
|
* @gc: the Graphical Context of Window @win
|
|
*
|
|
* Structure used to store informations about a Window.
|
|
*/
|
|
struct _GstXWindow {
|
|
Window win;
|
|
gint width, height;
|
|
gboolean internal;
|
|
GC gc;
|
|
};
|
|
|
|
/**
|
|
* GstXvImageFormat:
|
|
* @format: the image format
|
|
* @caps: generated #GstCaps for this image format
|
|
*
|
|
* Structure storing image format to #GstCaps association.
|
|
*/
|
|
struct _GstXvImageFormat {
|
|
gint format;
|
|
GstCaps *caps;
|
|
};
|
|
|
|
/**
|
|
* GstXImageBuffer:
|
|
* @xvimagesink: a reference to our #GstXvImageSink
|
|
* @xvimage: the XvImage of this buffer
|
|
* @width: the width in pixels of XvImage @xvimage
|
|
* @height: the height in pixels of XvImage @xvimage
|
|
* @im_format: the image format of XvImage @xvimage
|
|
* @size: the size in bytes of XvImage @xvimage
|
|
*
|
|
* Subclass of #GstBuffer containing additional information about an XvImage.
|
|
*/
|
|
struct _GstXvImageBuffer {
|
|
GstBuffer buffer;
|
|
|
|
/* Reference to the xvimagesink we belong to */
|
|
GstXvImageSink *xvimagesink;
|
|
|
|
XvImage *xvimage;
|
|
|
|
#ifdef HAVE_XSHM
|
|
XShmSegmentInfo SHMInfo;
|
|
#endif /* HAVE_XSHM */
|
|
|
|
gint width, height, im_format;
|
|
size_t size;
|
|
};
|
|
|
|
/**
|
|
* GstXvImageSink:
|
|
* @display_name: the name of the Display we want to render to
|
|
* @xcontext: our instance's #GstXContext
|
|
* @xwindow: the #GstXWindow we are rendering to
|
|
* @xvimage: internal #GstXvImage used to store incoming buffers and render when
|
|
* not using the buffer_alloc optimization mechanism
|
|
* @cur_image: a reference to the last #GstXvImage that was put to @xwindow. It
|
|
* is used when Expose events are received to redraw the latest video frame
|
|
* @event_thread: a thread listening for events on @xwindow and handling them
|
|
* @running: used to inform @event_thread if it should run/shutdown
|
|
* @fps_n: the framerate fraction numerator
|
|
* @fps_d: the framerate fraction denominator
|
|
* @x_lock: used to protect X calls as we are not using the XLib in threaded
|
|
* mode
|
|
* @flow_lock: used to protect data flow routines from external calls such as
|
|
* events from @event_thread or methods from the #GstXOverlay interface
|
|
* @par: used to override calculated pixel aspect ratio from @xcontext
|
|
* @pool_lock: used to protect the buffer pool
|
|
* @image_pool: a list of #GstXvImageBuffer that could be reused at next buffer
|
|
* allocation call
|
|
* @synchronous: used to store if XSynchronous should be used or not (for
|
|
* debugging purpose only)
|
|
* @keep_aspect: used to remember if reverse negotiation scaling should respect
|
|
* aspect ratio
|
|
* @handle_events: used to know if we should handle select XEvents or not
|
|
* @brightness: used to store the user settings for color balance brightness
|
|
* @contrast: used to store the user settings for color balance contrast
|
|
* @hue: used to store the user settings for color balance hue
|
|
* @saturation: used to store the user settings for color balance saturation
|
|
* @cb_changed: used to store if the color balance settings where changed
|
|
* @video_width: the width of incoming video frames in pixels
|
|
* @video_height: the height of incoming video frames in pixels
|
|
*
|
|
* The #GstXvImageSink data structure.
|
|
*/
|
|
struct _GstXvImageSink {
|
|
/* Our element stuff */
|
|
GstVideoSink videosink;
|
|
|
|
char *display_name;
|
|
guint adaptor_no;
|
|
|
|
GstXContext *xcontext;
|
|
GstXWindow *xwindow;
|
|
GstXvImageBuffer *xvimage;
|
|
GstXvImageBuffer *cur_image;
|
|
|
|
GThread *event_thread;
|
|
gboolean running;
|
|
|
|
gint fps_n;
|
|
gint fps_d;
|
|
|
|
GMutex *x_lock;
|
|
GMutex *flow_lock;
|
|
|
|
/* object-set pixel aspect ratio */
|
|
GValue *par;
|
|
|
|
GMutex *pool_lock;
|
|
GSList *image_pool;
|
|
|
|
gboolean synchronous;
|
|
gboolean keep_aspect;
|
|
gboolean handle_events;
|
|
|
|
gint brightness;
|
|
gint contrast;
|
|
gint hue;
|
|
gint saturation;
|
|
gboolean cb_changed;
|
|
|
|
guint video_width, video_height; /* size of incoming video;
|
|
* used as the size for XvImage */
|
|
};
|
|
|
|
struct _GstXvImageSinkClass {
|
|
GstVideoSinkClass parent_class;
|
|
};
|
|
|
|
GType gst_xvimagesink_get_type(void);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_XVIMAGESINK_H__ */
|