1042 lines
30 KiB
Go
1042 lines
30 KiB
Go
// Package xvmc is the X client API for the XVideo-MotionCompensation extension.
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package xvmc
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// This file is automatically generated from xvmc.xml. Edit at your peril!
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import (
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"github.com/BurntSushi/xgb"
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"github.com/BurntSushi/xgb/xproto"
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"github.com/BurntSushi/xgb/xv"
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)
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// Init must be called before using the XVideo-MotionCompensation extension.
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func Init(c *xgb.Conn) error {
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reply, err := xproto.QueryExtension(c, 25, "XVideo-MotionCompensation").Reply()
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switch {
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case err != nil:
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return err
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case !reply.Present:
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return xgb.Errorf("No extension named XVideo-MotionCompensation could be found on on the server.")
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}
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c.ExtLock.Lock()
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c.Extensions["XVideo-MotionCompensation"] = reply.MajorOpcode
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c.ExtLock.Unlock()
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for evNum, fun := range xgb.NewExtEventFuncs["XVideo-MotionCompensation"] {
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xgb.NewEventFuncs[int(reply.FirstEvent)+evNum] = fun
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}
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for errNum, fun := range xgb.NewExtErrorFuncs["XVideo-MotionCompensation"] {
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xgb.NewErrorFuncs[int(reply.FirstError)+errNum] = fun
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}
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return nil
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}
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func init() {
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xgb.NewExtEventFuncs["XVideo-MotionCompensation"] = make(map[int]xgb.NewEventFun)
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xgb.NewExtErrorFuncs["XVideo-MotionCompensation"] = make(map[int]xgb.NewErrorFun)
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}
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type Context uint32
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func NewContextId(c *xgb.Conn) (Context, error) {
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id, err := c.NewId()
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if err != nil {
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return 0, err
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}
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return Context(id), nil
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}
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type Subpicture uint32
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func NewSubpictureId(c *xgb.Conn) (Subpicture, error) {
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id, err := c.NewId()
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if err != nil {
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return 0, err
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}
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return Subpicture(id), nil
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}
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type Surface uint32
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func NewSurfaceId(c *xgb.Conn) (Surface, error) {
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id, err := c.NewId()
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if err != nil {
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return 0, err
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}
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return Surface(id), nil
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}
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type SurfaceInfo struct {
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Id Surface
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ChromaFormat uint16
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Pad0 uint16
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MaxWidth uint16
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MaxHeight uint16
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SubpictureMaxWidth uint16
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SubpictureMaxHeight uint16
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McType uint32
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Flags uint32
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}
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// SurfaceInfoRead reads a byte slice into a SurfaceInfo value.
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func SurfaceInfoRead(buf []byte, v *SurfaceInfo) int {
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b := 0
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v.Id = Surface(xgb.Get32(buf[b:]))
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b += 4
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v.ChromaFormat = xgb.Get16(buf[b:])
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b += 2
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v.Pad0 = xgb.Get16(buf[b:])
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b += 2
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v.MaxWidth = xgb.Get16(buf[b:])
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b += 2
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v.MaxHeight = xgb.Get16(buf[b:])
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b += 2
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v.SubpictureMaxWidth = xgb.Get16(buf[b:])
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b += 2
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v.SubpictureMaxHeight = xgb.Get16(buf[b:])
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b += 2
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v.McType = xgb.Get32(buf[b:])
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b += 4
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v.Flags = xgb.Get32(buf[b:])
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b += 4
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return b
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}
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// SurfaceInfoReadList reads a byte slice into a list of SurfaceInfo values.
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func SurfaceInfoReadList(buf []byte, dest []SurfaceInfo) int {
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b := 0
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for i := 0; i < len(dest); i++ {
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dest[i] = SurfaceInfo{}
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b += SurfaceInfoRead(buf[b:], &dest[i])
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}
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return xgb.Pad(b)
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}
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// Bytes writes a SurfaceInfo value to a byte slice.
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func (v SurfaceInfo) Bytes() []byte {
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buf := make([]byte, 24)
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b := 0
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xgb.Put32(buf[b:], uint32(v.Id))
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b += 4
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xgb.Put16(buf[b:], v.ChromaFormat)
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b += 2
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xgb.Put16(buf[b:], v.Pad0)
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b += 2
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xgb.Put16(buf[b:], v.MaxWidth)
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b += 2
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xgb.Put16(buf[b:], v.MaxHeight)
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b += 2
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xgb.Put16(buf[b:], v.SubpictureMaxWidth)
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b += 2
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xgb.Put16(buf[b:], v.SubpictureMaxHeight)
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b += 2
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xgb.Put32(buf[b:], v.McType)
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b += 4
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xgb.Put32(buf[b:], v.Flags)
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b += 4
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return buf[:b]
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}
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// SurfaceInfoListBytes writes a list of SurfaceInfo values to a byte slice.
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func SurfaceInfoListBytes(buf []byte, list []SurfaceInfo) int {
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b := 0
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var structBytes []byte
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for _, item := range list {
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structBytes = item.Bytes()
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copy(buf[b:], structBytes)
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b += len(structBytes)
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}
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return xgb.Pad(b)
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}
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// Skipping definition for base type 'Bool'
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// Skipping definition for base type 'Byte'
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// Skipping definition for base type 'Card8'
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// Skipping definition for base type 'Char'
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// Skipping definition for base type 'Void'
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// Skipping definition for base type 'Double'
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// Skipping definition for base type 'Float'
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// Skipping definition for base type 'Int16'
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// Skipping definition for base type 'Int32'
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// Skipping definition for base type 'Int8'
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// Skipping definition for base type 'Card16'
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// Skipping definition for base type 'Card32'
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// CreateContextCookie is a cookie used only for CreateContext requests.
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type CreateContextCookie struct {
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*xgb.Cookie
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}
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// CreateContext sends a checked request.
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// If an error occurs, it will be returned with the reply by calling CreateContextCookie.Reply()
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func CreateContext(c *xgb.Conn, ContextId Context, PortId xv.Port, SurfaceId Surface, Width uint16, Height uint16, Flags uint32) CreateContextCookie {
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c.ExtLock.RLock()
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defer c.ExtLock.RUnlock()
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if _, ok := c.Extensions["XVideo-MotionCompensation"]; !ok {
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panic("Cannot issue request 'CreateContext' using the uninitialized extension 'XVideo-MotionCompensation'. xvmc.Init(connObj) must be called first.")
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}
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cookie := c.NewCookie(true, true)
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c.NewRequest(createContextRequest(c, ContextId, PortId, SurfaceId, Width, Height, Flags), cookie)
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return CreateContextCookie{cookie}
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}
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// CreateContextUnchecked sends an unchecked request.
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// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
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func CreateContextUnchecked(c *xgb.Conn, ContextId Context, PortId xv.Port, SurfaceId Surface, Width uint16, Height uint16, Flags uint32) CreateContextCookie {
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c.ExtLock.RLock()
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defer c.ExtLock.RUnlock()
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if _, ok := c.Extensions["XVideo-MotionCompensation"]; !ok {
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panic("Cannot issue request 'CreateContext' using the uninitialized extension 'XVideo-MotionCompensation'. xvmc.Init(connObj) must be called first.")
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}
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cookie := c.NewCookie(false, true)
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c.NewRequest(createContextRequest(c, ContextId, PortId, SurfaceId, Width, Height, Flags), cookie)
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return CreateContextCookie{cookie}
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}
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// CreateContextReply represents the data returned from a CreateContext request.
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type CreateContextReply struct {
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Sequence uint16 // sequence number of the request for this reply
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Length uint32 // number of bytes in this reply
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// padding: 1 bytes
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WidthActual uint16
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HeightActual uint16
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FlagsReturn uint32
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// padding: 20 bytes
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PrivData []uint32 // size: xgb.Pad((int(Length) * 4))
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}
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// Reply blocks and returns the reply data for a CreateContext request.
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func (cook CreateContextCookie) Reply() (*CreateContextReply, error) {
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buf, err := cook.Cookie.Reply()
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if err != nil {
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return nil, err
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}
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if buf == nil {
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return nil, nil
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}
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return createContextReply(buf), nil
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}
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// createContextReply reads a byte slice into a CreateContextReply value.
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func createContextReply(buf []byte) *CreateContextReply {
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v := new(CreateContextReply)
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b := 1 // skip reply determinant
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b += 1 // padding
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v.Sequence = xgb.Get16(buf[b:])
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b += 2
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v.Length = xgb.Get32(buf[b:]) // 4-byte units
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b += 4
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v.WidthActual = xgb.Get16(buf[b:])
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b += 2
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v.HeightActual = xgb.Get16(buf[b:])
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b += 2
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v.FlagsReturn = xgb.Get32(buf[b:])
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b += 4
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b += 20 // padding
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v.PrivData = make([]uint32, v.Length)
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for i := 0; i < int(v.Length); i++ {
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v.PrivData[i] = xgb.Get32(buf[b:])
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b += 4
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}
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return v
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}
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// Write request to wire for CreateContext
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// createContextRequest writes a CreateContext request to a byte slice.
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func createContextRequest(c *xgb.Conn, ContextId Context, PortId xv.Port, SurfaceId Surface, Width uint16, Height uint16, Flags uint32) []byte {
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size := 24
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b := 0
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buf := make([]byte, size)
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c.ExtLock.RLock()
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buf[b] = c.Extensions["XVideo-MotionCompensation"]
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c.ExtLock.RUnlock()
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b += 1
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buf[b] = 2 // request opcode
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b += 1
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xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
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b += 2
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xgb.Put32(buf[b:], uint32(ContextId))
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b += 4
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xgb.Put32(buf[b:], uint32(PortId))
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b += 4
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xgb.Put32(buf[b:], uint32(SurfaceId))
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b += 4
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xgb.Put16(buf[b:], Width)
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b += 2
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xgb.Put16(buf[b:], Height)
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b += 2
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xgb.Put32(buf[b:], Flags)
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b += 4
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return buf
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}
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// CreateSubpictureCookie is a cookie used only for CreateSubpicture requests.
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type CreateSubpictureCookie struct {
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*xgb.Cookie
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}
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// CreateSubpicture sends a checked request.
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// If an error occurs, it will be returned with the reply by calling CreateSubpictureCookie.Reply()
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func CreateSubpicture(c *xgb.Conn, SubpictureId Subpicture, Context Context, XvimageId uint32, Width uint16, Height uint16) CreateSubpictureCookie {
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c.ExtLock.RLock()
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defer c.ExtLock.RUnlock()
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if _, ok := c.Extensions["XVideo-MotionCompensation"]; !ok {
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panic("Cannot issue request 'CreateSubpicture' using the uninitialized extension 'XVideo-MotionCompensation'. xvmc.Init(connObj) must be called first.")
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}
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cookie := c.NewCookie(true, true)
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c.NewRequest(createSubpictureRequest(c, SubpictureId, Context, XvimageId, Width, Height), cookie)
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return CreateSubpictureCookie{cookie}
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}
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// CreateSubpictureUnchecked sends an unchecked request.
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// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
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func CreateSubpictureUnchecked(c *xgb.Conn, SubpictureId Subpicture, Context Context, XvimageId uint32, Width uint16, Height uint16) CreateSubpictureCookie {
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c.ExtLock.RLock()
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defer c.ExtLock.RUnlock()
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if _, ok := c.Extensions["XVideo-MotionCompensation"]; !ok {
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panic("Cannot issue request 'CreateSubpicture' using the uninitialized extension 'XVideo-MotionCompensation'. xvmc.Init(connObj) must be called first.")
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}
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cookie := c.NewCookie(false, true)
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c.NewRequest(createSubpictureRequest(c, SubpictureId, Context, XvimageId, Width, Height), cookie)
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return CreateSubpictureCookie{cookie}
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}
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// CreateSubpictureReply represents the data returned from a CreateSubpicture request.
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type CreateSubpictureReply struct {
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Sequence uint16 // sequence number of the request for this reply
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Length uint32 // number of bytes in this reply
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// padding: 1 bytes
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WidthActual uint16
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HeightActual uint16
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NumPaletteEntries uint16
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EntryBytes uint16
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ComponentOrder []byte // size: 4
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// padding: 12 bytes
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PrivData []uint32 // size: xgb.Pad((int(Length) * 4))
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}
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// Reply blocks and returns the reply data for a CreateSubpicture request.
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func (cook CreateSubpictureCookie) Reply() (*CreateSubpictureReply, error) {
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buf, err := cook.Cookie.Reply()
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if err != nil {
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return nil, err
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}
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if buf == nil {
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return nil, nil
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}
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return createSubpictureReply(buf), nil
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}
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// createSubpictureReply reads a byte slice into a CreateSubpictureReply value.
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func createSubpictureReply(buf []byte) *CreateSubpictureReply {
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v := new(CreateSubpictureReply)
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b := 1 // skip reply determinant
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b += 1 // padding
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v.Sequence = xgb.Get16(buf[b:])
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b += 2
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v.Length = xgb.Get32(buf[b:]) // 4-byte units
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b += 4
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v.WidthActual = xgb.Get16(buf[b:])
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b += 2
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v.HeightActual = xgb.Get16(buf[b:])
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b += 2
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v.NumPaletteEntries = xgb.Get16(buf[b:])
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b += 2
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v.EntryBytes = xgb.Get16(buf[b:])
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b += 2
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v.ComponentOrder = make([]byte, 4)
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copy(v.ComponentOrder[:4], buf[b:])
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b += int(4)
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b += 12 // padding
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v.PrivData = make([]uint32, v.Length)
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for i := 0; i < int(v.Length); i++ {
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v.PrivData[i] = xgb.Get32(buf[b:])
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b += 4
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}
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return v
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}
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// Write request to wire for CreateSubpicture
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// createSubpictureRequest writes a CreateSubpicture request to a byte slice.
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func createSubpictureRequest(c *xgb.Conn, SubpictureId Subpicture, Context Context, XvimageId uint32, Width uint16, Height uint16) []byte {
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size := 20
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b := 0
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buf := make([]byte, size)
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c.ExtLock.RLock()
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buf[b] = c.Extensions["XVideo-MotionCompensation"]
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c.ExtLock.RUnlock()
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b += 1
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buf[b] = 6 // request opcode
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b += 1
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xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
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b += 2
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xgb.Put32(buf[b:], uint32(SubpictureId))
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b += 4
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xgb.Put32(buf[b:], uint32(Context))
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b += 4
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xgb.Put32(buf[b:], XvimageId)
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b += 4
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xgb.Put16(buf[b:], Width)
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b += 2
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xgb.Put16(buf[b:], Height)
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b += 2
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return buf
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}
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|
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// CreateSurfaceCookie is a cookie used only for CreateSurface requests.
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type CreateSurfaceCookie struct {
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*xgb.Cookie
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}
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// CreateSurface sends a checked request.
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// If an error occurs, it will be returned with the reply by calling CreateSurfaceCookie.Reply()
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func CreateSurface(c *xgb.Conn, SurfaceId Surface, ContextId Context) CreateSurfaceCookie {
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c.ExtLock.RLock()
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defer c.ExtLock.RUnlock()
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if _, ok := c.Extensions["XVideo-MotionCompensation"]; !ok {
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panic("Cannot issue request 'CreateSurface' using the uninitialized extension 'XVideo-MotionCompensation'. xvmc.Init(connObj) must be called first.")
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}
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cookie := c.NewCookie(true, true)
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c.NewRequest(createSurfaceRequest(c, SurfaceId, ContextId), cookie)
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return CreateSurfaceCookie{cookie}
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}
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|
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// CreateSurfaceUnchecked sends an unchecked request.
|
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// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
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func CreateSurfaceUnchecked(c *xgb.Conn, SurfaceId Surface, ContextId Context) CreateSurfaceCookie {
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c.ExtLock.RLock()
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defer c.ExtLock.RUnlock()
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if _, ok := c.Extensions["XVideo-MotionCompensation"]; !ok {
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panic("Cannot issue request 'CreateSurface' using the uninitialized extension 'XVideo-MotionCompensation'. xvmc.Init(connObj) must be called first.")
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}
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cookie := c.NewCookie(false, true)
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c.NewRequest(createSurfaceRequest(c, SurfaceId, ContextId), cookie)
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return CreateSurfaceCookie{cookie}
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}
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|
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// CreateSurfaceReply represents the data returned from a CreateSurface request.
|
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type CreateSurfaceReply struct {
|
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Sequence uint16 // sequence number of the request for this reply
|
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Length uint32 // number of bytes in this reply
|
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// padding: 1 bytes
|
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// padding: 24 bytes
|
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PrivData []uint32 // size: xgb.Pad((int(Length) * 4))
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}
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|
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// Reply blocks and returns the reply data for a CreateSurface request.
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func (cook CreateSurfaceCookie) Reply() (*CreateSurfaceReply, error) {
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buf, err := cook.Cookie.Reply()
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if err != nil {
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return nil, err
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}
|
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if buf == nil {
|
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return nil, nil
|
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}
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return createSurfaceReply(buf), nil
|
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}
|
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|
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// createSurfaceReply reads a byte slice into a CreateSurfaceReply value.
|
|
func createSurfaceReply(buf []byte) *CreateSurfaceReply {
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v := new(CreateSurfaceReply)
|
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b := 1 // skip reply determinant
|
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|
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b += 1 // padding
|
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|
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v.Sequence = xgb.Get16(buf[b:])
|
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b += 2
|
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|
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v.Length = xgb.Get32(buf[b:]) // 4-byte units
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b += 4
|
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|
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b += 24 // padding
|
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|
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v.PrivData = make([]uint32, v.Length)
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for i := 0; i < int(v.Length); i++ {
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v.PrivData[i] = xgb.Get32(buf[b:])
|
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b += 4
|
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}
|
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|
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return v
|
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}
|
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|
|
// Write request to wire for CreateSurface
|
|
// createSurfaceRequest writes a CreateSurface request to a byte slice.
|
|
func createSurfaceRequest(c *xgb.Conn, SurfaceId Surface, ContextId Context) []byte {
|
|
size := 12
|
|
b := 0
|
|
buf := make([]byte, size)
|
|
|
|
c.ExtLock.RLock()
|
|
buf[b] = c.Extensions["XVideo-MotionCompensation"]
|
|
c.ExtLock.RUnlock()
|
|
b += 1
|
|
|
|
buf[b] = 4 // request opcode
|
|
b += 1
|
|
|
|
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
|
|
b += 2
|
|
|
|
xgb.Put32(buf[b:], uint32(SurfaceId))
|
|
b += 4
|
|
|
|
xgb.Put32(buf[b:], uint32(ContextId))
|
|
b += 4
|
|
|
|
return buf
|
|
}
|
|
|
|
// DestroyContextCookie is a cookie used only for DestroyContext requests.
|
|
type DestroyContextCookie struct {
|
|
*xgb.Cookie
|
|
}
|
|
|
|
// DestroyContext sends an unchecked request.
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
|
func DestroyContext(c *xgb.Conn, ContextId Context) DestroyContextCookie {
|
|
c.ExtLock.RLock()
|
|
defer c.ExtLock.RUnlock()
|
|
if _, ok := c.Extensions["XVideo-MotionCompensation"]; !ok {
|
|
panic("Cannot issue request 'DestroyContext' using the uninitialized extension 'XVideo-MotionCompensation'. xvmc.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(false, false)
|
|
c.NewRequest(destroyContextRequest(c, ContextId), cookie)
|
|
return DestroyContextCookie{cookie}
|
|
}
|
|
|
|
// DestroyContextChecked sends a checked request.
|
|
// If an error occurs, it can be retrieved using DestroyContextCookie.Check()
|
|
func DestroyContextChecked(c *xgb.Conn, ContextId Context) DestroyContextCookie {
|
|
c.ExtLock.RLock()
|
|
defer c.ExtLock.RUnlock()
|
|
if _, ok := c.Extensions["XVideo-MotionCompensation"]; !ok {
|
|
panic("Cannot issue request 'DestroyContext' using the uninitialized extension 'XVideo-MotionCompensation'. xvmc.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(true, false)
|
|
c.NewRequest(destroyContextRequest(c, ContextId), cookie)
|
|
return DestroyContextCookie{cookie}
|
|
}
|
|
|
|
// Check returns an error if one occurred for checked requests that are not expecting a reply.
|
|
// This cannot be called for requests expecting a reply, nor for unchecked requests.
|
|
func (cook DestroyContextCookie) Check() error {
|
|
return cook.Cookie.Check()
|
|
}
|
|
|
|
// Write request to wire for DestroyContext
|
|
// destroyContextRequest writes a DestroyContext request to a byte slice.
|
|
func destroyContextRequest(c *xgb.Conn, ContextId Context) []byte {
|
|
size := 8
|
|
b := 0
|
|
buf := make([]byte, size)
|
|
|
|
c.ExtLock.RLock()
|
|
buf[b] = c.Extensions["XVideo-MotionCompensation"]
|
|
c.ExtLock.RUnlock()
|
|
b += 1
|
|
|
|
buf[b] = 3 // request opcode
|
|
b += 1
|
|
|
|
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
|
|
b += 2
|
|
|
|
xgb.Put32(buf[b:], uint32(ContextId))
|
|
b += 4
|
|
|
|
return buf
|
|
}
|
|
|
|
// DestroySubpictureCookie is a cookie used only for DestroySubpicture requests.
|
|
type DestroySubpictureCookie struct {
|
|
*xgb.Cookie
|
|
}
|
|
|
|
// DestroySubpicture sends an unchecked request.
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
|
func DestroySubpicture(c *xgb.Conn, SubpictureId Subpicture) DestroySubpictureCookie {
|
|
c.ExtLock.RLock()
|
|
defer c.ExtLock.RUnlock()
|
|
if _, ok := c.Extensions["XVideo-MotionCompensation"]; !ok {
|
|
panic("Cannot issue request 'DestroySubpicture' using the uninitialized extension 'XVideo-MotionCompensation'. xvmc.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(false, false)
|
|
c.NewRequest(destroySubpictureRequest(c, SubpictureId), cookie)
|
|
return DestroySubpictureCookie{cookie}
|
|
}
|
|
|
|
// DestroySubpictureChecked sends a checked request.
|
|
// If an error occurs, it can be retrieved using DestroySubpictureCookie.Check()
|
|
func DestroySubpictureChecked(c *xgb.Conn, SubpictureId Subpicture) DestroySubpictureCookie {
|
|
c.ExtLock.RLock()
|
|
defer c.ExtLock.RUnlock()
|
|
if _, ok := c.Extensions["XVideo-MotionCompensation"]; !ok {
|
|
panic("Cannot issue request 'DestroySubpicture' using the uninitialized extension 'XVideo-MotionCompensation'. xvmc.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(true, false)
|
|
c.NewRequest(destroySubpictureRequest(c, SubpictureId), cookie)
|
|
return DestroySubpictureCookie{cookie}
|
|
}
|
|
|
|
// Check returns an error if one occurred for checked requests that are not expecting a reply.
|
|
// This cannot be called for requests expecting a reply, nor for unchecked requests.
|
|
func (cook DestroySubpictureCookie) Check() error {
|
|
return cook.Cookie.Check()
|
|
}
|
|
|
|
// Write request to wire for DestroySubpicture
|
|
// destroySubpictureRequest writes a DestroySubpicture request to a byte slice.
|
|
func destroySubpictureRequest(c *xgb.Conn, SubpictureId Subpicture) []byte {
|
|
size := 8
|
|
b := 0
|
|
buf := make([]byte, size)
|
|
|
|
c.ExtLock.RLock()
|
|
buf[b] = c.Extensions["XVideo-MotionCompensation"]
|
|
c.ExtLock.RUnlock()
|
|
b += 1
|
|
|
|
buf[b] = 7 // request opcode
|
|
b += 1
|
|
|
|
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
|
|
b += 2
|
|
|
|
xgb.Put32(buf[b:], uint32(SubpictureId))
|
|
b += 4
|
|
|
|
return buf
|
|
}
|
|
|
|
// DestroySurfaceCookie is a cookie used only for DestroySurface requests.
|
|
type DestroySurfaceCookie struct {
|
|
*xgb.Cookie
|
|
}
|
|
|
|
// DestroySurface sends an unchecked request.
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
|
func DestroySurface(c *xgb.Conn, SurfaceId Surface) DestroySurfaceCookie {
|
|
c.ExtLock.RLock()
|
|
defer c.ExtLock.RUnlock()
|
|
if _, ok := c.Extensions["XVideo-MotionCompensation"]; !ok {
|
|
panic("Cannot issue request 'DestroySurface' using the uninitialized extension 'XVideo-MotionCompensation'. xvmc.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(false, false)
|
|
c.NewRequest(destroySurfaceRequest(c, SurfaceId), cookie)
|
|
return DestroySurfaceCookie{cookie}
|
|
}
|
|
|
|
// DestroySurfaceChecked sends a checked request.
|
|
// If an error occurs, it can be retrieved using DestroySurfaceCookie.Check()
|
|
func DestroySurfaceChecked(c *xgb.Conn, SurfaceId Surface) DestroySurfaceCookie {
|
|
c.ExtLock.RLock()
|
|
defer c.ExtLock.RUnlock()
|
|
if _, ok := c.Extensions["XVideo-MotionCompensation"]; !ok {
|
|
panic("Cannot issue request 'DestroySurface' using the uninitialized extension 'XVideo-MotionCompensation'. xvmc.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(true, false)
|
|
c.NewRequest(destroySurfaceRequest(c, SurfaceId), cookie)
|
|
return DestroySurfaceCookie{cookie}
|
|
}
|
|
|
|
// Check returns an error if one occurred for checked requests that are not expecting a reply.
|
|
// This cannot be called for requests expecting a reply, nor for unchecked requests.
|
|
func (cook DestroySurfaceCookie) Check() error {
|
|
return cook.Cookie.Check()
|
|
}
|
|
|
|
// Write request to wire for DestroySurface
|
|
// destroySurfaceRequest writes a DestroySurface request to a byte slice.
|
|
func destroySurfaceRequest(c *xgb.Conn, SurfaceId Surface) []byte {
|
|
size := 8
|
|
b := 0
|
|
buf := make([]byte, size)
|
|
|
|
c.ExtLock.RLock()
|
|
buf[b] = c.Extensions["XVideo-MotionCompensation"]
|
|
c.ExtLock.RUnlock()
|
|
b += 1
|
|
|
|
buf[b] = 5 // request opcode
|
|
b += 1
|
|
|
|
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
|
|
b += 2
|
|
|
|
xgb.Put32(buf[b:], uint32(SurfaceId))
|
|
b += 4
|
|
|
|
return buf
|
|
}
|
|
|
|
// ListSubpictureTypesCookie is a cookie used only for ListSubpictureTypes requests.
|
|
type ListSubpictureTypesCookie struct {
|
|
*xgb.Cookie
|
|
}
|
|
|
|
// ListSubpictureTypes sends a checked request.
|
|
// If an error occurs, it will be returned with the reply by calling ListSubpictureTypesCookie.Reply()
|
|
func ListSubpictureTypes(c *xgb.Conn, PortId xv.Port, SurfaceId Surface) ListSubpictureTypesCookie {
|
|
c.ExtLock.RLock()
|
|
defer c.ExtLock.RUnlock()
|
|
if _, ok := c.Extensions["XVideo-MotionCompensation"]; !ok {
|
|
panic("Cannot issue request 'ListSubpictureTypes' using the uninitialized extension 'XVideo-MotionCompensation'. xvmc.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(true, true)
|
|
c.NewRequest(listSubpictureTypesRequest(c, PortId, SurfaceId), cookie)
|
|
return ListSubpictureTypesCookie{cookie}
|
|
}
|
|
|
|
// ListSubpictureTypesUnchecked sends an unchecked request.
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
|
func ListSubpictureTypesUnchecked(c *xgb.Conn, PortId xv.Port, SurfaceId Surface) ListSubpictureTypesCookie {
|
|
c.ExtLock.RLock()
|
|
defer c.ExtLock.RUnlock()
|
|
if _, ok := c.Extensions["XVideo-MotionCompensation"]; !ok {
|
|
panic("Cannot issue request 'ListSubpictureTypes' using the uninitialized extension 'XVideo-MotionCompensation'. xvmc.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(false, true)
|
|
c.NewRequest(listSubpictureTypesRequest(c, PortId, SurfaceId), cookie)
|
|
return ListSubpictureTypesCookie{cookie}
|
|
}
|
|
|
|
// ListSubpictureTypesReply represents the data returned from a ListSubpictureTypes request.
|
|
type ListSubpictureTypesReply struct {
|
|
Sequence uint16 // sequence number of the request for this reply
|
|
Length uint32 // number of bytes in this reply
|
|
// padding: 1 bytes
|
|
Num uint32
|
|
// padding: 20 bytes
|
|
Types []xv.ImageFormatInfo // size: xv.ImageFormatInfoListSize(Types)
|
|
}
|
|
|
|
// Reply blocks and returns the reply data for a ListSubpictureTypes request.
|
|
func (cook ListSubpictureTypesCookie) Reply() (*ListSubpictureTypesReply, error) {
|
|
buf, err := cook.Cookie.Reply()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if buf == nil {
|
|
return nil, nil
|
|
}
|
|
return listSubpictureTypesReply(buf), nil
|
|
}
|
|
|
|
// listSubpictureTypesReply reads a byte slice into a ListSubpictureTypesReply value.
|
|
func listSubpictureTypesReply(buf []byte) *ListSubpictureTypesReply {
|
|
v := new(ListSubpictureTypesReply)
|
|
b := 1 // skip reply determinant
|
|
|
|
b += 1 // padding
|
|
|
|
v.Sequence = xgb.Get16(buf[b:])
|
|
b += 2
|
|
|
|
v.Length = xgb.Get32(buf[b:]) // 4-byte units
|
|
b += 4
|
|
|
|
v.Num = xgb.Get32(buf[b:])
|
|
b += 4
|
|
|
|
b += 20 // padding
|
|
|
|
v.Types = make([]xv.ImageFormatInfo, v.Num)
|
|
b += xv.ImageFormatInfoReadList(buf[b:], v.Types)
|
|
|
|
return v
|
|
}
|
|
|
|
// Write request to wire for ListSubpictureTypes
|
|
// listSubpictureTypesRequest writes a ListSubpictureTypes request to a byte slice.
|
|
func listSubpictureTypesRequest(c *xgb.Conn, PortId xv.Port, SurfaceId Surface) []byte {
|
|
size := 12
|
|
b := 0
|
|
buf := make([]byte, size)
|
|
|
|
c.ExtLock.RLock()
|
|
buf[b] = c.Extensions["XVideo-MotionCompensation"]
|
|
c.ExtLock.RUnlock()
|
|
b += 1
|
|
|
|
buf[b] = 8 // request opcode
|
|
b += 1
|
|
|
|
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
|
|
b += 2
|
|
|
|
xgb.Put32(buf[b:], uint32(PortId))
|
|
b += 4
|
|
|
|
xgb.Put32(buf[b:], uint32(SurfaceId))
|
|
b += 4
|
|
|
|
return buf
|
|
}
|
|
|
|
// ListSurfaceTypesCookie is a cookie used only for ListSurfaceTypes requests.
|
|
type ListSurfaceTypesCookie struct {
|
|
*xgb.Cookie
|
|
}
|
|
|
|
// ListSurfaceTypes sends a checked request.
|
|
// If an error occurs, it will be returned with the reply by calling ListSurfaceTypesCookie.Reply()
|
|
func ListSurfaceTypes(c *xgb.Conn, PortId xv.Port) ListSurfaceTypesCookie {
|
|
c.ExtLock.RLock()
|
|
defer c.ExtLock.RUnlock()
|
|
if _, ok := c.Extensions["XVideo-MotionCompensation"]; !ok {
|
|
panic("Cannot issue request 'ListSurfaceTypes' using the uninitialized extension 'XVideo-MotionCompensation'. xvmc.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(true, true)
|
|
c.NewRequest(listSurfaceTypesRequest(c, PortId), cookie)
|
|
return ListSurfaceTypesCookie{cookie}
|
|
}
|
|
|
|
// ListSurfaceTypesUnchecked sends an unchecked request.
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
|
func ListSurfaceTypesUnchecked(c *xgb.Conn, PortId xv.Port) ListSurfaceTypesCookie {
|
|
c.ExtLock.RLock()
|
|
defer c.ExtLock.RUnlock()
|
|
if _, ok := c.Extensions["XVideo-MotionCompensation"]; !ok {
|
|
panic("Cannot issue request 'ListSurfaceTypes' using the uninitialized extension 'XVideo-MotionCompensation'. xvmc.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(false, true)
|
|
c.NewRequest(listSurfaceTypesRequest(c, PortId), cookie)
|
|
return ListSurfaceTypesCookie{cookie}
|
|
}
|
|
|
|
// ListSurfaceTypesReply represents the data returned from a ListSurfaceTypes request.
|
|
type ListSurfaceTypesReply struct {
|
|
Sequence uint16 // sequence number of the request for this reply
|
|
Length uint32 // number of bytes in this reply
|
|
// padding: 1 bytes
|
|
Num uint32
|
|
// padding: 20 bytes
|
|
Surfaces []SurfaceInfo // size: xgb.Pad((int(Num) * 24))
|
|
}
|
|
|
|
// Reply blocks and returns the reply data for a ListSurfaceTypes request.
|
|
func (cook ListSurfaceTypesCookie) Reply() (*ListSurfaceTypesReply, error) {
|
|
buf, err := cook.Cookie.Reply()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if buf == nil {
|
|
return nil, nil
|
|
}
|
|
return listSurfaceTypesReply(buf), nil
|
|
}
|
|
|
|
// listSurfaceTypesReply reads a byte slice into a ListSurfaceTypesReply value.
|
|
func listSurfaceTypesReply(buf []byte) *ListSurfaceTypesReply {
|
|
v := new(ListSurfaceTypesReply)
|
|
b := 1 // skip reply determinant
|
|
|
|
b += 1 // padding
|
|
|
|
v.Sequence = xgb.Get16(buf[b:])
|
|
b += 2
|
|
|
|
v.Length = xgb.Get32(buf[b:]) // 4-byte units
|
|
b += 4
|
|
|
|
v.Num = xgb.Get32(buf[b:])
|
|
b += 4
|
|
|
|
b += 20 // padding
|
|
|
|
v.Surfaces = make([]SurfaceInfo, v.Num)
|
|
b += SurfaceInfoReadList(buf[b:], v.Surfaces)
|
|
|
|
return v
|
|
}
|
|
|
|
// Write request to wire for ListSurfaceTypes
|
|
// listSurfaceTypesRequest writes a ListSurfaceTypes request to a byte slice.
|
|
func listSurfaceTypesRequest(c *xgb.Conn, PortId xv.Port) []byte {
|
|
size := 8
|
|
b := 0
|
|
buf := make([]byte, size)
|
|
|
|
c.ExtLock.RLock()
|
|
buf[b] = c.Extensions["XVideo-MotionCompensation"]
|
|
c.ExtLock.RUnlock()
|
|
b += 1
|
|
|
|
buf[b] = 1 // request opcode
|
|
b += 1
|
|
|
|
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
|
|
b += 2
|
|
|
|
xgb.Put32(buf[b:], uint32(PortId))
|
|
b += 4
|
|
|
|
return buf
|
|
}
|
|
|
|
// QueryVersionCookie is a cookie used only for QueryVersion requests.
|
|
type QueryVersionCookie struct {
|
|
*xgb.Cookie
|
|
}
|
|
|
|
// QueryVersion sends a checked request.
|
|
// If an error occurs, it will be returned with the reply by calling QueryVersionCookie.Reply()
|
|
func QueryVersion(c *xgb.Conn) QueryVersionCookie {
|
|
c.ExtLock.RLock()
|
|
defer c.ExtLock.RUnlock()
|
|
if _, ok := c.Extensions["XVideo-MotionCompensation"]; !ok {
|
|
panic("Cannot issue request 'QueryVersion' using the uninitialized extension 'XVideo-MotionCompensation'. xvmc.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(true, true)
|
|
c.NewRequest(queryVersionRequest(c), cookie)
|
|
return QueryVersionCookie{cookie}
|
|
}
|
|
|
|
// QueryVersionUnchecked sends an unchecked request.
|
|
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
|
|
func QueryVersionUnchecked(c *xgb.Conn) QueryVersionCookie {
|
|
c.ExtLock.RLock()
|
|
defer c.ExtLock.RUnlock()
|
|
if _, ok := c.Extensions["XVideo-MotionCompensation"]; !ok {
|
|
panic("Cannot issue request 'QueryVersion' using the uninitialized extension 'XVideo-MotionCompensation'. xvmc.Init(connObj) must be called first.")
|
|
}
|
|
cookie := c.NewCookie(false, true)
|
|
c.NewRequest(queryVersionRequest(c), cookie)
|
|
return QueryVersionCookie{cookie}
|
|
}
|
|
|
|
// QueryVersionReply represents the data returned from a QueryVersion request.
|
|
type QueryVersionReply struct {
|
|
Sequence uint16 // sequence number of the request for this reply
|
|
Length uint32 // number of bytes in this reply
|
|
// padding: 1 bytes
|
|
Major uint32
|
|
Minor uint32
|
|
}
|
|
|
|
// Reply blocks and returns the reply data for a QueryVersion request.
|
|
func (cook QueryVersionCookie) Reply() (*QueryVersionReply, error) {
|
|
buf, err := cook.Cookie.Reply()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if buf == nil {
|
|
return nil, nil
|
|
}
|
|
return queryVersionReply(buf), nil
|
|
}
|
|
|
|
// queryVersionReply reads a byte slice into a QueryVersionReply value.
|
|
func queryVersionReply(buf []byte) *QueryVersionReply {
|
|
v := new(QueryVersionReply)
|
|
b := 1 // skip reply determinant
|
|
|
|
b += 1 // padding
|
|
|
|
v.Sequence = xgb.Get16(buf[b:])
|
|
b += 2
|
|
|
|
v.Length = xgb.Get32(buf[b:]) // 4-byte units
|
|
b += 4
|
|
|
|
v.Major = xgb.Get32(buf[b:])
|
|
b += 4
|
|
|
|
v.Minor = xgb.Get32(buf[b:])
|
|
b += 4
|
|
|
|
return v
|
|
}
|
|
|
|
// Write request to wire for QueryVersion
|
|
// queryVersionRequest writes a QueryVersion request to a byte slice.
|
|
func queryVersionRequest(c *xgb.Conn) []byte {
|
|
size := 4
|
|
b := 0
|
|
buf := make([]byte, size)
|
|
|
|
c.ExtLock.RLock()
|
|
buf[b] = c.Extensions["XVideo-MotionCompensation"]
|
|
c.ExtLock.RUnlock()
|
|
b += 1
|
|
|
|
buf[b] = 0 // request opcode
|
|
b += 1
|
|
|
|
xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
|
|
b += 2
|
|
|
|
return buf
|
|
}
|