diff options
Diffstat (limited to 'nexgb/xvmc')
| -rw-r--r-- | nexgb/xvmc/xvmc.go | 1041 |
1 files changed, 1041 insertions, 0 deletions
diff --git a/nexgb/xvmc/xvmc.go b/nexgb/xvmc/xvmc.go new file mode 100644 index 0000000..b943fa0 --- /dev/null +++ b/nexgb/xvmc/xvmc.go @@ -0,0 +1,1041 @@ +// Package xvmc is the X client API for the XVideo-MotionCompensation extension. +package xvmc + +// This file is automatically generated from xvmc.xml. Edit at your peril! + +import ( + "github.com/BurntSushi/xgb" + + "github.com/BurntSushi/xgb/xproto" + "github.com/BurntSushi/xgb/xv" +) + +// Init must be called before using the XVideo-MotionCompensation extension. +func Init(c *xgb.Conn) error { + reply, err := xproto.QueryExtension(c, 25, "XVideo-MotionCompensation").Reply() + switch { + case err != nil: + return err + case !reply.Present: + return xgb.Errorf("No extension named XVideo-MotionCompensation could be found on on the server.") + } + + c.ExtLock.Lock() + c.Extensions["XVideo-MotionCompensation"] = reply.MajorOpcode + c.ExtLock.Unlock() + for evNum, fun := range xgb.NewExtEventFuncs["XVideo-MotionCompensation"] { + xgb.NewEventFuncs[int(reply.FirstEvent)+evNum] = fun + } + for errNum, fun := range xgb.NewExtErrorFuncs["XVideo-MotionCompensation"] { + xgb.NewErrorFuncs[int(reply.FirstError)+errNum] = fun + } + return nil +} + +func init() { + xgb.NewExtEventFuncs["XVideo-MotionCompensation"] = make(map[int]xgb.NewEventFun) + xgb.NewExtErrorFuncs["XVideo-MotionCompensation"] = make(map[int]xgb.NewErrorFun) +} + +type Context uint32 + +func NewContextId(c *xgb.Conn) (Context, error) { + id, err := c.NewId() + if err != nil { + return 0, err + } + return Context(id), nil +} + +type Subpicture uint32 + +func NewSubpictureId(c *xgb.Conn) (Subpicture, error) { + id, err := c.NewId() + if err != nil { + return 0, err + } + return Subpicture(id), nil +} + +type Surface uint32 + +func NewSurfaceId(c *xgb.Conn) (Surface, error) { + id, err := c.NewId() + if err != nil { + return 0, err + } + return Surface(id), nil +} + +type SurfaceInfo struct { + Id Surface + ChromaFormat uint16 + Pad0 uint16 + MaxWidth uint16 + MaxHeight uint16 + SubpictureMaxWidth uint16 + SubpictureMaxHeight uint16 + McType uint32 + Flags uint32 +} + +// SurfaceInfoRead reads a byte slice into a SurfaceInfo value. +func SurfaceInfoRead(buf []byte, v *SurfaceInfo) int { + b := 0 + + v.Id = Surface(xgb.Get32(buf[b:])) + b += 4 + + v.ChromaFormat = xgb.Get16(buf[b:]) + b += 2 + + v.Pad0 = xgb.Get16(buf[b:]) + b += 2 + + v.MaxWidth = xgb.Get16(buf[b:]) + b += 2 + + v.MaxHeight = xgb.Get16(buf[b:]) + b += 2 + + v.SubpictureMaxWidth = xgb.Get16(buf[b:]) + b += 2 + + v.SubpictureMaxHeight = xgb.Get16(buf[b:]) + b += 2 + + v.McType = xgb.Get32(buf[b:]) + b += 4 + + v.Flags = xgb.Get32(buf[b:]) + b += 4 + + return b +} + +// SurfaceInfoReadList reads a byte slice into a list of SurfaceInfo values. +func SurfaceInfoReadList(buf []byte, dest []SurfaceInfo) int { + b := 0 + for i := 0; i < len(dest); i++ { + dest[i] = SurfaceInfo{} + b += SurfaceInfoRead(buf[b:], &dest[i]) + } + return xgb.Pad(b) +} + +// Bytes writes a SurfaceInfo value to a byte slice. +func (v SurfaceInfo) Bytes() []byte { + buf := make([]byte, 24) + b := 0 + + xgb.Put32(buf[b:], uint32(v.Id)) + b += 4 + + xgb.Put16(buf[b:], v.ChromaFormat) + b += 2 + + xgb.Put16(buf[b:], v.Pad0) + b += 2 + + xgb.Put16(buf[b:], v.MaxWidth) + b += 2 + + xgb.Put16(buf[b:], v.MaxHeight) + b += 2 + + xgb.Put16(buf[b:], v.SubpictureMaxWidth) + b += 2 + + xgb.Put16(buf[b:], v.SubpictureMaxHeight) + b += 2 + + xgb.Put32(buf[b:], v.McType) + b += 4 + + xgb.Put32(buf[b:], v.Flags) + b += 4 + + return buf[:b] +} + +// SurfaceInfoListBytes writes a list of SurfaceInfo values to a byte slice. +func SurfaceInfoListBytes(buf []byte, list []SurfaceInfo) int { + b := 0 + var structBytes []byte + for _, item := range list { + structBytes = item.Bytes() + copy(buf[b:], structBytes) + b += len(structBytes) + } + return xgb.Pad(b) +} + +// Skipping definition for base type 'Bool' + +// Skipping definition for base type 'Byte' + +// Skipping definition for base type 'Card8' + +// Skipping definition for base type 'Char' + +// Skipping definition for base type 'Void' + +// Skipping definition for base type 'Double' + +// Skipping definition for base type 'Float' + +// Skipping definition for base type 'Int16' + +// Skipping definition for base type 'Int32' + +// Skipping definition for base type 'Int8' + +// Skipping definition for base type 'Card16' + +// Skipping definition for base type 'Card32' + +// CreateContextCookie is a cookie used only for CreateContext requests. +type CreateContextCookie struct { + *xgb.Cookie +} + +// CreateContext sends a checked request. +// If an error occurs, it will be returned with the reply by calling CreateContextCookie.Reply() +func CreateContext(c *xgb.Conn, ContextId Context, PortId xv.Port, SurfaceId Surface, Width uint16, Height uint16, Flags uint32) CreateContextCookie { + c.ExtLock.RLock() + defer c.ExtLock.RUnlock() + if _, ok := c.Extensions["XVideo-MotionCompensation"]; !ok { + panic("Cannot issue request 'CreateContext' using the uninitialized extension 'XVideo-MotionCompensation'. xvmc.Init(connObj) must be called first.") + } + cookie := c.NewCookie(true, true) + c.NewRequest(createContextRequest(c, ContextId, PortId, SurfaceId, Width, Height, Flags), cookie) + return CreateContextCookie{cookie} +} + +// CreateContextUnchecked sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func CreateContextUnchecked(c *xgb.Conn, ContextId Context, PortId xv.Port, SurfaceId Surface, Width uint16, Height uint16, Flags uint32) CreateContextCookie { + c.ExtLock.RLock() + defer c.ExtLock.RUnlock() + if _, ok := c.Extensions["XVideo-MotionCompensation"]; !ok { + panic("Cannot issue request 'CreateContext' using the uninitialized extension 'XVideo-MotionCompensation'. xvmc.Init(connObj) must be called first.") + } + cookie := c.NewCookie(false, true) + c.NewRequest(createContextRequest(c, ContextId, PortId, SurfaceId, Width, Height, Flags), cookie) + return CreateContextCookie{cookie} +} + +// CreateContextReply represents the data returned from a CreateContext request. +type CreateContextReply struct { + Sequence uint16 // sequence number of the request for this reply + Length uint32 // number of bytes in this reply + // padding: 1 bytes + WidthActual uint16 + HeightActual uint16 + FlagsReturn uint32 + // padding: 20 bytes + PrivData []uint32 // size: xgb.Pad((int(Length) * 4)) +} + +// Reply blocks and returns the reply data for a CreateContext request. +func (cook CreateContextCookie) Reply() (*CreateContextReply, error) { + buf, err := cook.Cookie.Reply() + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + return createContextReply(buf), nil +} + +// createContextReply reads a byte slice into a CreateContextReply value. +func createContextReply(buf []byte) *CreateContextReply { + v := new(CreateContextReply) + 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.WidthActual = xgb.Get16(buf[b:]) + b += 2 + + v.HeightActual = xgb.Get16(buf[b:]) + b += 2 + + v.FlagsReturn = xgb.Get32(buf[b:]) + b += 4 + + b += 20 // padding + + v.PrivData = make([]uint32, v.Length) + for i := 0; i < int(v.Length); i++ { + v.PrivData[i] = xgb.Get32(buf[b:]) + b += 4 + } + + return v +} + +// Write request to wire for CreateContext +// createContextRequest writes a CreateContext request to a byte slice. +func createContextRequest(c *xgb.Conn, ContextId Context, PortId xv.Port, SurfaceId Surface, Width uint16, Height uint16, Flags uint32) []byte { + size := 24 + b := 0 + buf := make([]byte, size) + + c.ExtLock.RLock() + buf[b] = c.Extensions["XVideo-MotionCompensation"] + c.ExtLock.RUnlock() + b += 1 + + buf[b] = 2 // 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 + + xgb.Put32(buf[b:], uint32(PortId)) + b += 4 + + xgb.Put32(buf[b:], uint32(SurfaceId)) + b += 4 + + xgb.Put16(buf[b:], Width) + b += 2 + + xgb.Put16(buf[b:], Height) + b += 2 + + xgb.Put32(buf[b:], Flags) + b += 4 + + return buf +} + +// CreateSubpictureCookie is a cookie used only for CreateSubpicture requests. +type CreateSubpictureCookie struct { + *xgb.Cookie +} + +// CreateSubpicture sends a checked request. +// If an error occurs, it will be returned with the reply by calling CreateSubpictureCookie.Reply() +func CreateSubpicture(c *xgb.Conn, SubpictureId Subpicture, Context Context, XvimageId uint32, Width uint16, Height uint16) CreateSubpictureCookie { + c.ExtLock.RLock() + defer c.ExtLock.RUnlock() + if _, ok := c.Extensions["XVideo-MotionCompensation"]; !ok { + panic("Cannot issue request 'CreateSubpicture' using the uninitialized extension 'XVideo-MotionCompensation'. xvmc.Init(connObj) must be called first.") + } + cookie := c.NewCookie(true, true) + c.NewRequest(createSubpictureRequest(c, SubpictureId, Context, XvimageId, Width, Height), cookie) + return CreateSubpictureCookie{cookie} +} + +// CreateSubpictureUnchecked sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func CreateSubpictureUnchecked(c *xgb.Conn, SubpictureId Subpicture, Context Context, XvimageId uint32, Width uint16, Height uint16) CreateSubpictureCookie { + c.ExtLock.RLock() + defer c.ExtLock.RUnlock() + if _, ok := c.Extensions["XVideo-MotionCompensation"]; !ok { + panic("Cannot issue request 'CreateSubpicture' using the uninitialized extension 'XVideo-MotionCompensation'. xvmc.Init(connObj) must be called first.") + } + cookie := c.NewCookie(false, true) + c.NewRequest(createSubpictureRequest(c, SubpictureId, Context, XvimageId, Width, Height), cookie) + return CreateSubpictureCookie{cookie} +} + +// CreateSubpictureReply represents the data returned from a CreateSubpicture request. +type CreateSubpictureReply struct { + Sequence uint16 // sequence number of the request for this reply + Length uint32 // number of bytes in this reply + // padding: 1 bytes + WidthActual uint16 + HeightActual uint16 + NumPaletteEntries uint16 + EntryBytes uint16 + ComponentOrder []byte // size: 4 + // padding: 12 bytes + PrivData []uint32 // size: xgb.Pad((int(Length) * 4)) +} + +// Reply blocks and returns the reply data for a CreateSubpicture request. +func (cook CreateSubpictureCookie) Reply() (*CreateSubpictureReply, error) { + buf, err := cook.Cookie.Reply() + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + return createSubpictureReply(buf), nil +} + +// createSubpictureReply reads a byte slice into a CreateSubpictureReply value. +func createSubpictureReply(buf []byte) *CreateSubpictureReply { + v := new(CreateSubpictureReply) + 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.WidthActual = xgb.Get16(buf[b:]) + b += 2 + + v.HeightActual = xgb.Get16(buf[b:]) + b += 2 + + v.NumPaletteEntries = xgb.Get16(buf[b:]) + b += 2 + + v.EntryBytes = xgb.Get16(buf[b:]) + b += 2 + + v.ComponentOrder = make([]byte, 4) + copy(v.ComponentOrder[:4], buf[b:]) + b += int(4) + + b += 12 // padding + + v.PrivData = make([]uint32, v.Length) + for i := 0; i < int(v.Length); i++ { + v.PrivData[i] = xgb.Get32(buf[b:]) + b += 4 + } + + return v +} + +// Write request to wire for CreateSubpicture +// createSubpictureRequest writes a CreateSubpicture request to a byte slice. +func createSubpictureRequest(c *xgb.Conn, SubpictureId Subpicture, Context Context, XvimageId uint32, Width uint16, Height uint16) []byte { + size := 20 + b := 0 + buf := make([]byte, size) + + c.ExtLock.RLock() + buf[b] = c.Extensions["XVideo-MotionCompensation"] + c.ExtLock.RUnlock() + b += 1 + + buf[b] = 6 // 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 + + xgb.Put32(buf[b:], uint32(Context)) + b += 4 + + xgb.Put32(buf[b:], XvimageId) + b += 4 + + xgb.Put16(buf[b:], Width) + b += 2 + + xgb.Put16(buf[b:], Height) + b += 2 + + return buf +} + +// CreateSurfaceCookie is a cookie used only for CreateSurface requests. +type CreateSurfaceCookie struct { + *xgb.Cookie +} + +// CreateSurface sends a checked request. +// If an error occurs, it will be returned with the reply by calling CreateSurfaceCookie.Reply() +func CreateSurface(c *xgb.Conn, SurfaceId Surface, ContextId Context) CreateSurfaceCookie { + c.ExtLock.RLock() + defer c.ExtLock.RUnlock() + if _, ok := c.Extensions["XVideo-MotionCompensation"]; !ok { + panic("Cannot issue request 'CreateSurface' using the uninitialized extension 'XVideo-MotionCompensation'. xvmc.Init(connObj) must be called first.") + } + cookie := c.NewCookie(true, true) + c.NewRequest(createSurfaceRequest(c, SurfaceId, ContextId), cookie) + return CreateSurfaceCookie{cookie} +} + +// CreateSurfaceUnchecked sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func CreateSurfaceUnchecked(c *xgb.Conn, SurfaceId Surface, ContextId Context) CreateSurfaceCookie { + c.ExtLock.RLock() + defer c.ExtLock.RUnlock() + if _, ok := c.Extensions["XVideo-MotionCompensation"]; !ok { + panic("Cannot issue request 'CreateSurface' using the uninitialized extension 'XVideo-MotionCompensation'. xvmc.Init(connObj) must be called first.") + } + cookie := c.NewCookie(false, true) + c.NewRequest(createSurfaceRequest(c, SurfaceId, ContextId), cookie) + return CreateSurfaceCookie{cookie} +} + +// CreateSurfaceReply represents the data returned from a CreateSurface request. +type CreateSurfaceReply struct { + Sequence uint16 // sequence number of the request for this reply + Length uint32 // number of bytes in this reply + // padding: 1 bytes + // padding: 24 bytes + PrivData []uint32 // size: xgb.Pad((int(Length) * 4)) +} + +// Reply blocks and returns the reply data for a CreateSurface request. +func (cook CreateSurfaceCookie) Reply() (*CreateSurfaceReply, error) { + buf, err := cook.Cookie.Reply() + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + return createSurfaceReply(buf), nil +} + +// createSurfaceReply reads a byte slice into a CreateSurfaceReply value. +func createSurfaceReply(buf []byte) *CreateSurfaceReply { + v := new(CreateSurfaceReply) + 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 + + b += 24 // padding + + v.PrivData = make([]uint32, v.Length) + for i := 0; i < int(v.Length); i++ { + v.PrivData[i] = xgb.Get32(buf[b:]) + b += 4 + } + + return v +} + +// 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 +} |