140 lines
4.8 KiB
C
140 lines
4.8 KiB
C
/*
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* Xephyr - A kdrive X server thats runs in a host X window.
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* Authored by Matthew Allum <mallum@openedhand.com>
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*
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* Copyright © 2007 OpenedHand Ltd
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of OpenedHand Ltd not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. OpenedHand Ltd makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* OpenedHand Ltd DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL OpenedHand Ltd BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*
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* Authors:
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* Dodji Seketeli <dodji@openedhand.com>
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*/
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#ifndef __EPHYRHOSTVIDEO_H__
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#define __EPHYRHOSTVIDEO_H__
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typedef void* EphyrHostXVAdaptor ;
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typedef struct _EphyrHostXVAdaptorArray EphyrHostXVAdaptorArray ;
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typedef struct _EphyrHostVideoFormat {
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char depth ;
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unsigned long visual_id;
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} EphyrHostVideoFormat ;
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typedef struct _EphyrHostRational {
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int numerator ;
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int denominator ;
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} EphyrHostRational;
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typedef struct _EphyrHostEncoding {
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int id ;
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char *name ;
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unsigned short width, height ;
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EphyrHostRational rate ;
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} EphyrHostEncoding ;
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typedef struct _EphyrHostAttribute {
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int flags;
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int min_value;
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int max_value;
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char *name;
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} EphyrHostAttribute ;
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typedef struct _EphyrHostImageFormat {
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int id; /* Unique descriptor for the format */
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int type; /* XvRGB, XvYUV */
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int byte_order; /* LSBFirst, MSBFirst */
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char guid[16]; /* Globally Unique IDentifier */
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int bits_per_pixel;
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int format; /* XvPacked, XvPlanar */
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int num_planes;
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/* for RGB formats only */
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int depth;
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unsigned int red_mask;
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unsigned int green_mask;
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unsigned int blue_mask;
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/* for YUV formats only */
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unsigned int y_sample_bits;
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unsigned int u_sample_bits;
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unsigned int v_sample_bits;
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unsigned int horz_y_period;
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unsigned int horz_u_period;
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unsigned int horz_v_period;
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unsigned int vert_y_period;
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unsigned int vert_u_period;
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unsigned int vert_v_period;
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char component_order[32]; /* eg. UYVY */
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int scanline_order; /* XvTopToBottom, XvBottomToTop */
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} EphyrHostImageFormat ;
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/*
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* host adaptor array
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*/
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Bool EphyrHostXVQueryAdaptors (EphyrHostXVAdaptorArray **a_adaptors) ;
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void EphyrHostXVAdaptorArrayDelete (EphyrHostXVAdaptorArray *a_adaptors) ;
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int EphyrHostXVAdaptorArrayGetSize (const EphyrHostXVAdaptorArray *a_this) ;
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EphyrHostXVAdaptor* EphyrHostXVAdaptorArrayAt (const EphyrHostXVAdaptorArray *a_this,
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int a_index) ;
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/*
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* host adaptor
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*/
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char EphyrHostXVAdaptorGetType (const EphyrHostXVAdaptor *a_this) ;
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const char* EphyrHostXVAdaptorGetName (const EphyrHostXVAdaptor *a_this) ;
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const EphyrHostVideoFormat* EphyrHostXVAdaptorGetNbVideoFormats
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(const EphyrHostXVAdaptor *a_this) ;
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const EphyrHostVideoFormat* EphyrHostXVAdaptorGetVideoFormats
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(const EphyrHostXVAdaptor *a_this,
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int *a_nb_formats) ;
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int EphyrHostXVAdaptorGetNbPorts (const EphyrHostXVAdaptor *a_this) ;
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int EphyrHostXVAdaptorGetFirstPortID (const EphyrHostXVAdaptor *a_this) ;
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/*
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* encoding
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*/
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Bool EphyrHostXVQueryEncodings (int a_port_id,
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EphyrHostEncoding **a_encodings,
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unsigned int *a_num_encodings) ;
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void EphyrHostEncodingsDelete (EphyrHostEncoding *a_encodings,
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int a_num_encodings) ;
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/*
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* attribute
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*/
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Bool EphyrHostXVQueryPortAttributes (int a_port_id,
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EphyrHostAttribute **a_attributes,
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int *a_num_attributes) ;
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void EphyrHostAttributesDelete (EphyrHostAttribute *a_attributes,
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int a_num_attributes) ;
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/*
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* image format
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*/
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Bool EphyrHostXVQueryImageFormats (int a_port_id,
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EphyrHostImageFormat **a_formats,
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int *a_num_format) ;
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#endif /*__EPHYRHOSTVIDEO_H__*/
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