Documentation ¶
Index ¶
- Variables
- type MMAL
- type MMALAudioFormat
- type MMALBuffer
- type MMALBufferFlag
- type MMALCamera
- type MMALCameraAnnotation
- type MMALCameraComponent
- type MMALCameraExposureMode
- type MMALCameraFlashType
- type MMALCameraInfo
- type MMALCameraMeteringMode
- type MMALCameraParameters
- type MMALCommonParameters
- type MMALComponent
- type MMALDisplayMode
- type MMALDisplayRegion
- type MMALDisplayTransform
- type MMALEncodingType
- type MMALFormat
- type MMALFormatType
- type MMALPort
- type MMALPortConnection
- type MMALPortConnectionFlags
- type MMALRationalNum
- type MMALRect
- type MMALSubpictureFormat
- type MMALTextJustify
- type MMALVideoEncLevel
- type MMALVideoEncProfile
- type MMALVideoFormat
- type MMALVideoParameters
- type MMALVideoProfile
Constants ¶
This section is empty.
Variables ¶
View Source
var ( MMAL_ENCODING_H264 = MMAL_FOURCC('H', '2', '6', '4') MMAL_ENCODING_MVC = MMAL_FOURCC('M', 'V', 'C', ' ') MMAL_ENCODING_H263 = MMAL_FOURCC('H', '2', '6', '3') MMAL_ENCODING_MP4V = MMAL_FOURCC('M', 'P', '4', 'V') MMAL_ENCODING_MP2V = MMAL_FOURCC('M', 'P', '2', 'V') MMAL_ENCODING_MP1V = MMAL_FOURCC('M', 'P', '1', 'V') MMAL_ENCODING_WMV3 = MMAL_FOURCC('W', 'M', 'V', '3') MMAL_ENCODING_WMV2 = MMAL_FOURCC('W', 'M', 'V', '2') MMAL_ENCODING_WMV1 = MMAL_FOURCC('W', 'M', 'V', '1') MMAL_ENCODING_WVC1 = MMAL_FOURCC('W', 'V', 'C', '1') MMAL_ENCODING_VP8 = MMAL_FOURCC('V', 'P', '8', ' ') MMAL_ENCODING_VP7 = MMAL_FOURCC('V', 'P', '7', ' ') MMAL_ENCODING_VP6 = MMAL_FOURCC('V', 'P', '6', ' ') MMAL_ENCODING_THEORA = MMAL_FOURCC('T', 'H', 'E', 'O') MMAL_ENCODING_SPARK = MMAL_FOURCC('S', 'P', 'R', 'K') MMAL_ENCODING_MJPEG = MMAL_FOURCC('M', 'J', 'P', 'G') )
View Source
var ( MMAL_ENCODING_JPEG = MMAL_FOURCC('J', 'P', 'E', 'G') MMAL_ENCODING_GIF = MMAL_FOURCC('G', 'I', 'F', ' ') MMAL_ENCODING_PNG = MMAL_FOURCC('P', 'N', 'G', ' ') MMAL_ENCODING_PPM = MMAL_FOURCC('P', 'P', 'M', ' ') MMAL_ENCODING_TGA = MMAL_FOURCC('T', 'G', 'A', ' ') MMAL_ENCODING_BMP = MMAL_FOURCC('B', 'M', 'P', ' ') )
View Source
var ( MMAL_ENCODING_I420 = MMAL_FOURCC('I', '4', '2', '0') MMAL_ENCODING_I420_SLICE = MMAL_FOURCC('S', '4', '2', '0') MMAL_ENCODING_YV12 = MMAL_FOURCC('Y', 'V', '1', '2') MMAL_ENCODING_I422 = MMAL_FOURCC('I', '4', '2', '2') MMAL_ENCODING_I422_SLICE = MMAL_FOURCC('S', '4', '2', '2') MMAL_ENCODING_YUYV = MMAL_FOURCC('Y', 'U', 'Y', 'V') MMAL_ENCODING_YVYU = MMAL_FOURCC('Y', 'V', 'Y', 'U') MMAL_ENCODING_UYVY = MMAL_FOURCC('U', 'Y', 'V', 'Y') MMAL_ENCODING_VYUY = MMAL_FOURCC('V', 'Y', 'U', 'Y') MMAL_ENCODING_NV12 = MMAL_FOURCC('N', 'V', '1', '2') MMAL_ENCODING_NV21 = MMAL_FOURCC('N', 'V', '2', '1') MMAL_ENCODING_ARGB = MMAL_FOURCC('A', 'R', 'G', 'B') MMAL_ENCODING_ARGB_SLICE = MMAL_FOURCC('a', 'r', 'g', 'b') MMAL_ENCODING_RGBA = MMAL_FOURCC('R', 'G', 'B', 'A') MMAL_ENCODING_RGBA_SLICE = MMAL_FOURCC('r', 'g', 'b', 'a') MMAL_ENCODING_ABGR = MMAL_FOURCC('A', 'B', 'G', 'R') MMAL_ENCODING_ABGR_SLICE = MMAL_FOURCC('a', 'b', 'g', 'r') MMAL_ENCODING_BGRA = MMAL_FOURCC('B', 'G', 'R', 'A') MMAL_ENCODING_BGRA_SLICE = MMAL_FOURCC('b', 'g', 'r', 'a') MMAL_ENCODING_RGB16 = MMAL_FOURCC('R', 'G', 'B', '2') MMAL_ENCODING_RGB16_SLICE = MMAL_FOURCC('r', 'g', 'b', '2') MMAL_ENCODING_RGB24 = MMAL_FOURCC('R', 'G', 'B', '3') MMAL_ENCODING_RGB24_SLICE = MMAL_FOURCC('r', 'g', 'b', '3') MMAL_ENCODING_RGB32 = MMAL_FOURCC('R', 'G', 'B', '4') MMAL_ENCODING_RGB32_SLICE = MMAL_FOURCC('r', 'g', 'b', '4') MMAL_ENCODING_BGR16 = MMAL_FOURCC('B', 'G', 'R', '2') MMAL_ENCODING_BGR16_SLICE = MMAL_FOURCC('b', 'g', 'r', '2') MMAL_ENCODING_BGR24 = MMAL_FOURCC('B', 'G', 'R', '3') MMAL_ENCODING_BGR24_SLICE = MMAL_FOURCC('b', 'g', 'r', '3') MMAL_ENCODING_BGR32 = MMAL_FOURCC('B', 'G', 'R', '4') MMAL_ENCODING_BGR32_SLICE = MMAL_FOURCC('b', 'g', 'r', '4') )
View Source
var ( MMAL_EVENT_ERROR = MMAL_FOURCC('E', 'R', 'R', 'O') MMAL_EVENT_EOS = MMAL_FOURCC('E', 'E', 'O', 'S') // End-of-stream event. Data contains a MMAL_EVENT_END_OF_STREAM_T MMAL_EVENT_FORMAT_CHANGED = MMAL_FOURCC('E', 'F', 'C', 'H') // Format changed event. Data contains a MMAL_EVENT_FORMAT_CHANGED_T MMAL_EVENT_PARAMETER_CHANGED = MMAL_FOURCC('E', 'P', 'C', 'H') // Parameter changed event. Data contains a MMAL_EVENT_PARAMETER_CHANGED_T )
Functions ¶
This section is empty.
Types ¶
type MMAL ¶
type MMAL interface { gopi.Driver // Return components ComponentWithName(name string) (MMALComponent, error) // Return specific components CameraComponent() (MMALCameraComponent, error) CameraInfoComponent() (MMALComponent, error) VideoDecoderComponent() (MMALComponent, error) VideoEncoderComponent() (MMALComponent, error) VideoRendererComponent() (MMALComponent, error) ImageEncoderComponent() (MMALComponent, error) ImageDecoderComponent() (MMALComponent, error) ReaderComponent() (MMALComponent, error) WriterComponent() (MMALComponent, error) // Connect and disconnect component ports Connect(input, output MMALPort, flags MMALPortConnectionFlags) (MMALPortConnection, error) Disconnect(MMALPortConnection) error }
type MMALAudioFormat ¶ added in v1.0.10
type MMALAudioFormat interface { MMALFormat }
type MMALBuffer ¶ added in v1.0.10
type MMALBufferFlag ¶ added in v1.0.10
type MMALBufferFlag uint
const ( MMAL_BUFFER_FLAG_EOS MMALBufferFlag = (1 << iota) MMAL_BUFFER_FLAG_FRAME_START MMALBufferFlag = (1 << iota) // Signals that the start of the current payload starts a frame MMAL_BUFFER_FLAG_FRAME_END MMALBufferFlag = (1 << iota) // Signals that the end of the current payload ends a frame MMAL_BUFFER_FLAG_KEYFRAME MMALBufferFlag = (1 << iota) // Signals that the current payload is a keyframe (i.e. self decodable) MMAL_BUFFER_FLAG_DISCONTINUITY MMALBufferFlag = (1 << iota) // Signals a discontinuity in the stream of data (e.g. after a seek). Can be used for instance by a decoder to reset its state MMAL_BUFFER_FLAG_CONFIG MMALBufferFlag = (1 << iota) // Signals a buffer containing some kind of config data for the component (e.g. codec config data) MMAL_BUFFER_FLAG_ENCRYPTED MMALBufferFlag = (1 << iota) // Signals an encrypted payload MMAL_BUFFER_FLAG_CODECSIDEINFO MMALBufferFlag = (1 << iota) // Signals a buffer containing side information MMAL_BUFFER_FLAGS_SNAPSHOT MMALBufferFlag = (1 << iota) // Signals a buffer which is the snapshot/postview image from a stills capture MMAL_BUFFER_FLAG_CORRUPTED MMALBufferFlag = (1 << iota) // Signals a buffer which contains data known to be corrupted MMAL_BUFFER_FLAG_TRANSMISSION_FAILED MMALBufferFlag = (1 << iota) // Signals that a buffer failed to be transmitted MMAL_BUFFER_FLAG_DECODEONLY MMALBufferFlag = (1 << iota) // Signals the output buffer won't be used, just update reference frames MMAL_BUFFER_FLAG_NAL_END MMALBufferFlag = (1 << iota) // Signals that the end of the current payload ends a NAL MMAL_BUFFER_FLAG_FRAME MMALBufferFlag = (MMAL_BUFFER_FLAG_FRAME_START | MMAL_BUFFER_FLAG_FRAME_END) // Signals that the current payload contains only complete frames (1 or more) MMAL_BUFFER_FLAG_MIN = MMAL_BUFFER_FLAG_EOS MMAL_BUFFER_FLAG_MAX = MMAL_BUFFER_FLAG_NAL_END )
func (MMALBufferFlag) String ¶ added in v1.0.10
func (f MMALBufferFlag) String() string
type MMALCamera ¶ added in v1.0.10
type MMALCameraAnnotation ¶ added in v1.0.10
type MMALCameraAnnotation interface { // Get parameters ShowShutter() bool ShowAnalogGain() bool ShowLens() bool ShowCAF() bool ShowMotion() bool ShowFrameNum() bool BackgroundColor() (uint8, uint8, uint8) TextColor() (uint8, uint8, uint8) TextSize() uint8 Text() string TextJustify() MMALTextJustify TextOffset() (uint32, uint32) // Set parameters SetShowShutter(bool) SetShowAnalogGain(bool) SetShowLens(bool) SetShowCAF(bool) SetShowMotion(bool) SetShowFrameNum(bool) SetBackgroundColor(y, u, v uint8) SetTextColor(y, u, v uint8) SetText(string) SetTextSize(uint8) SetTextJustify(MMALTextJustify) SetTextOffset(x, y uint32) }
type MMALCameraComponent ¶ added in v1.0.10
type MMALCameraComponent interface { MMALComponent }
type MMALCameraExposureMode ¶ added in v1.0.10
type MMALCameraExposureMode uint
const ( MMAL_CAMERA_EXPOSUREMODE_OFF MMALCameraExposureMode = iota MMAL_CAMERA_EXPOSUREMODE_AUTO MMAL_CAMERA_EXPOSUREMODE_NIGHT MMAL_CAMERA_EXPOSUREMODE_NIGHTPREVIEW MMAL_CAMERA_EXPOSUREMODE_BACKLIGHT MMAL_CAMERA_EXPOSUREMODE_SPOTLIGHT MMAL_CAMERA_EXPOSUREMODE_SPORTS MMAL_CAMERA_EXPOSUREMODE_SNOW MMAL_CAMERA_EXPOSUREMODE_BEACH MMAL_CAMERA_EXPOSUREMODE_VERYLONG MMAL_CAMERA_EXPOSUREMODE_FIXEDFPS MMAL_CAMERA_EXPOSUREMODE_ANTISHAKE MMAL_CAMERA_EXPOSUREMODE_FIREWORKS MMAL_CAMERA_EXPOSUREMODE_MAX = MMAL_CAMERA_EXPOSUREMODE_FIREWORKS )
func (MMALCameraExposureMode) String ¶ added in v1.0.10
func (m MMALCameraExposureMode) String() string
type MMALCameraFlashType ¶ added in v1.0.10
type MMALCameraFlashType uint
const ( MMAL_CAMERA_FLASH_TYPE_XENON MMALCameraFlashType = iota MMAL_CAMERA_FLASH_TYPE_LED MMAL_CAMERA_FLASH_TYPE_OTHER )
func (MMALCameraFlashType) String ¶ added in v1.0.10
func (f MMALCameraFlashType) String() string
type MMALCameraInfo ¶ added in v1.0.10
type MMALCameraInfo interface { Cameras() []MMALCamera Flashes() []MMALCameraFlashType }
type MMALCameraMeteringMode ¶ added in v1.0.10
type MMALCameraMeteringMode uint
const ( MMAL_CAMERA_METERINGMODE_AVERAGE MMALCameraMeteringMode = iota MMAL_CAMERA_METERINGMODE_SPOT MMAL_CAMERA_METERINGMODE_BACKLIT MMAL_CAMERA_METERINGMODE_MATRIX MMAL_CAMERA_METERINGMODE_MAX = MMAL_CAMERA_METERINGMODE_MATRIX )
func (MMALCameraMeteringMode) String ¶ added in v1.0.10
func (m MMALCameraMeteringMode) String() string
type MMALCameraParameters ¶ added in v1.0.10
type MMALCameraParameters interface { // Get Parameters CameraInfo() (MMALCameraInfo, error) CaptureExposureComp() (int32, error) OutputShift() (int32, error) CCMShift() (int32, error) Rotation() (int32, error) CameraNum() (uint32, error) JPEGQFactor() (uint32, error) ISO() (uint32, error) MinISO() (uint32, error) CustomSensorConfig() (uint32, error) ShutterSpeed() (uint32, error) DPFConfig() (uint32, error) JPEGRestartInterval() (uint32, error) CameraISPBlockOverride() (uint32, error) BlackLevel() (uint32, error) EXIFDisable() (bool, error) Capture() (bool, error) DrawBoxFacesAndFocus() (bool, error) VideoStabilisation() (bool, error) EnableRAWCapture() (bool, error) EnableDPFFile() (bool, error) DPFFailIsFatal() (bool, error) HighDynamicRange() (bool, error) Antishake() (bool, error) BurstCapture() (bool, error) CaptureStatsPass() (bool, error) EnableRegisterFile() (bool, error) RegisterFailIsFatal() (bool, error) JPEGAttachLog() (bool, error) SWSharpenDisable() (bool, error) FlashRequired() (bool, error) SWSaturationDisable() (bool, error) VideoDenoise() (bool, error) StillsDenoise() (bool, error) ExposureComp() (MMALRationalNum, error) Sharpness() (MMALRationalNum, error) Contrast() (MMALRationalNum, error) Brightness() (MMALRationalNum, error) Saturation() (MMALRationalNum, error) AnalogGain() (MMALRationalNum, error) DigitalGain() (MMALRationalNum, error) MeteringMode() (MMALCameraMeteringMode, error) ExposureMode() (MMALCameraExposureMode, error) Annotation() (MMALCameraAnnotation, error) // Set Parameters SetCaptureExposureComp(value int32) error SetOutputShift(value int32) error SetCCMShift(value int32) error SetRotation(value int32) error SetCameraNum(value uint32) error SetJPEGQFactor(value uint32) error SetISO(value uint32) error SetMinISO(value uint32) error SetCustomSensorConfig(value uint32) error SetShutterSpeed(value uint32) error SetDPFConfig(value uint32) error SetJPEGRestartInterval(value uint32) error SetCameraISPBlockOverride(value uint32) error SetBlackLevel(value uint32) error SetEXIFDisable(value bool) error SetCapture(value bool) error SetDrawBoxFacesAndFocus(value bool) error SetVideoStabilisation(value bool) error SetEnableRAWCapture(value bool) error SetEnableDPFFile(value bool) error SetDPFFailIsFatal(value bool) error SetHighDynamicRange(value bool) error SetAntishake(value bool) error SetBurstCapture(value bool) error SetCaptureStatsPass(value bool) error SetEnableRegisterFile(value bool) error SetRegisterFailIsFatal(value bool) error SetJPEGAttachLog(value bool) error SetSWSharpenDisable(value bool) error SetFlashRequired(value bool) error SetSWSaturationDisable(value bool) error SetVideoDenoise(value bool) error SetStillsDenoise(value bool) error SetExposureComp(value MMALRationalNum) error SetSharpness(value MMALRationalNum) error SetContrast(value MMALRationalNum) error SetBrightness(value MMALRationalNum) error SetSaturation(value MMALRationalNum) error SetAnalogGain(value MMALRationalNum) error SetDigitalGain(value MMALRationalNum) error SetMeteringMode(MMALCameraMeteringMode) error SetExposureMode(MMALCameraExposureMode) error SetAnnotation(MMALCameraAnnotation) error }
type MMALCommonParameters ¶
type MMALCommonParameters interface { // Get Parameters SupportedEncodings() ([]MMALEncodingType, error) ZeroCopy() (bool, error) NoImagePadding() (bool, error) LockstepEnable() (bool, error) PowermonEnable() (bool, error) BufferFlagFilter() (uint32, error) SystemTime() (uint64, error) // Set Parameters SetUri(value string) error SetZeroCopy(value bool) error SetNoImagePadding(value bool) error SetLockstepEnable(value bool) error SetPowermonEnable(value bool) error SetBufferFlagFilter(value uint32) error }
type MMALComponent ¶
type MMALComponent interface { Name() string Id() uint32 // Enable and disable Enabled() bool SetEnabled(value bool) error // Return ports Control() MMALPort Clocks() []MMALPort Inputs() []MMALPort Outputs() []MMALPort // Get buffer from port/connection and optionally block GetEmptyBufferOnPort(MMALPort, bool) (MMALBuffer, error) GetFullBufferOnPort(MMALPort, bool) (MMALBuffer, error) }
type MMALDisplayMode ¶
type MMALDisplayMode uint
const ( MMAL_DISPLAY_MODE_FILL MMALDisplayMode = iota MMAL_DISPLAY_MODE_LETTERBOX MMAL_DISPLAY_MODE_STEREO_LEFT_TO_LEFT MMAL_DISPLAY_MODE_STEREO_TOP_TO_TOP MMAL_DISPLAY_MODE_STEREO_LEFT_TO_TOP MMAL_DISPLAY_MODE_STEREO_TOP_TO_LEFT MMAL_DISPLAY_MODE_MAX = MMAL_DISPLAY_MODE_STEREO_TOP_TO_LEFT )
func (MMALDisplayMode) String ¶
func (m MMALDisplayMode) String() string
type MMALDisplayRegion ¶
type MMALDisplayRegion interface { // Get properties Display() uint16 FullScreen() bool Layer() int16 Alpha() uint8 Transform() MMALDisplayTransform NoAspect() bool Mode() MMALDisplayMode CopyProtect() bool DestRect() MMALRect SrcRect() MMALRect // Set properties SetFullScreen(bool) SetLayer(int16) SetAlpha(uint8) SetTransform(MMALDisplayTransform) SetNoAspect(bool) SetMode(MMALDisplayMode) SetCopyProtect(bool) SetDestRect(MMALRect) SetSrcRect(MMALRect) }
type MMALDisplayTransform ¶
type MMALDisplayTransform uint
const ( MMAL_DISPLAY_TRANSFORM_NONE MMALDisplayTransform = iota MMAL_DISPLAY_TRANSFORM_MIRROR MMAL_DISPLAY_TRANSFORM_ROT180_MIRROR MMAL_DISPLAY_TRANSFORM_ROT180 MMAL_DISPLAY_TRANSFORM_ROT90_MIRROR MMAL_DISPLAY_TRANSFORM_ROT270 MMAL_DISPLAY_TRANSFORM_ROT90 MMAL_DISPLAY_TRANSFORM_ROT270_MIRROR MMAL_DISPLAY_TRANSFORM_MAX = MMAL_DISPLAY_TRANSFORM_ROT270_MIRROR )
func (MMALDisplayTransform) String ¶
func (t MMALDisplayTransform) String() string
type MMALEncodingType ¶
type MMALEncodingType uint32
func MMAL_FOURCC ¶ added in v1.0.10
func MMAL_FOURCC(a, b, c, d uint8) MMALEncodingType
func (MMALEncodingType) String ¶
func (e MMALEncodingType) String() string
type MMALFormat ¶
type MMALFormat interface { Type() MMALFormatType Bitrate() uint32 SetBitrate(uint32) Encoding() (MMALEncodingType, MMALEncodingType) SetEncoding(MMALEncodingType) SetEncodingVariant(MMALEncodingType, MMALEncodingType) }
type MMALFormatType ¶
type MMALFormatType uint
const ( MMAL_FORMAT_UNKNOWN MMALFormatType = iota MMAL_FORMAT_CONTROL MMAL_FORMAT_AUDIO MMAL_FORMAT_VIDEO MMAL_FORMAT_SUBPICTURE MMAL_FORMAT_MAX = MMAL_FORMAT_SUBPICTURE )
func (MMALFormatType) String ¶
func (t MMALFormatType) String() string
type MMALPort ¶
type MMALPort interface { Name() string CapabilityPassthrough() bool CapabilityAllocation() bool CapabilitySupportsEventFormatChange() bool // Enable and disable Enabled() bool SetEnabled(value bool) error // Connect, disconnect, flush and return any errors Connect(other MMALPort) error Disconnect() error Flush() error Error() error // Format Format() MMALFormat CopyFormat(MMALFormat) error VideoFormat() MMALVideoFormat AudioFormat() MMALAudioFormat SubpictureFormat() MMALSubpictureFormat CommitFormatChange() error // Send buffer to port, release buffer Send(MMALBuffer) error Release(MMALBuffer) error // Port Parameters MMALCommonParameters MMALVideoParameters MMALCameraParameters }
type MMALPortConnection ¶
type MMALPortConnectionFlags ¶
type MMALPortConnectionFlags uint
const ( // MMALPortConnectionFlags MMAL_CONNECTION_FLAG_TUNNELLING MMALPortConnectionFlags = 0x0001 // The connection is tunnelled. Buffer headers do not transit via the client but directly from the output port to the input port. MMAL_CONNECTION_FLAG_ALLOCATION_ON_INPUT MMALPortConnectionFlags = 0x0002 // Force the pool of buffer headers used by the connection to be allocated on the input port. MMAL_CONNECTION_FLAG_ALLOCATION_ON_OUTPUT MMALPortConnectionFlags = 0x0004 // Force the pool of buffer headers used by the connection to be allocated on the output port. MMAL_CONNECTION_FLAG_KEEP_BUFFER_REQUIREMENTS MMALPortConnectionFlags = 0x0008 // Specify that the connection should not modify the buffer requirements. MMAL_CONNECTION_FLAG_DIRECT MMALPortConnectionFlags = 0x0010 // The connection is flagged as direct. This doesn't change the behaviour of the connection itself but is used by the the graph utility to specify that the buffer should be sent to the input port from with the port callback. MMAL_CONNECTION_FLAG_KEEP_PORT_FORMATS MMALPortConnectionFlags = 0x0020 // Specify that the connection should not modify the port formats. MMAL_CONNECTION_FLAG_MIN = MMAL_CONNECTION_FLAG_TUNNELLING MMAL_CONNECTION_FLAG_MAX = MMAL_CONNECTION_FLAG_KEEP_PORT_FORMATS )
func (MMALPortConnectionFlags) String ¶
func (c MMALPortConnectionFlags) String() string
type MMALRationalNum ¶ added in v1.0.10
type MMALRationalNum struct {
Num, Den int32
}
func (MMALRationalNum) String ¶ added in v1.0.10
func (n MMALRationalNum) String() string
type MMALSubpictureFormat ¶ added in v1.0.10
type MMALSubpictureFormat interface { MMALFormat }
type MMALTextJustify ¶ added in v1.0.10
type MMALTextJustify uint
const ( MMAL_TEXT_JUSTIFY_CENTER MMALTextJustify = iota MMAL_TEXT_JUSTIFY_LEFT MMAL_TEXT_JUSTIFY_RIGHT MMAL_TEXT_JUSTIFY_CENTRE = MMAL_TEXT_JUSTIFY_CENTER )
func (MMALTextJustify) String ¶ added in v1.0.10
func (j MMALTextJustify) String() string
type MMALVideoEncLevel ¶ added in v1.0.10
type MMALVideoEncLevel uint
const ( // MMALVideoEncLevel MMAL_VIDEO_LEVEL_H263_10 MMALVideoEncLevel = iota MMAL_VIDEO_LEVEL_H263_20 MMAL_VIDEO_LEVEL_H263_30 MMAL_VIDEO_LEVEL_H263_40 MMAL_VIDEO_LEVEL_H263_45 MMAL_VIDEO_LEVEL_H263_50 MMAL_VIDEO_LEVEL_H263_60 MMAL_VIDEO_LEVEL_H263_70 MMAL_VIDEO_LEVEL_MP4V_0 MMAL_VIDEO_LEVEL_MP4V_0b MMAL_VIDEO_LEVEL_MP4V_1 MMAL_VIDEO_LEVEL_MP4V_2 MMAL_VIDEO_LEVEL_MP4V_3 MMAL_VIDEO_LEVEL_MP4V_4 MMAL_VIDEO_LEVEL_MP4V_4a MMAL_VIDEO_LEVEL_MP4V_5 MMAL_VIDEO_LEVEL_MP4V_6 MMAL_VIDEO_LEVEL_H264_1 MMAL_VIDEO_LEVEL_H264_1b MMAL_VIDEO_LEVEL_H264_11 MMAL_VIDEO_LEVEL_H264_12 MMAL_VIDEO_LEVEL_H264_13 MMAL_VIDEO_LEVEL_H264_2 MMAL_VIDEO_LEVEL_H264_21 MMAL_VIDEO_LEVEL_H264_22 MMAL_VIDEO_LEVEL_H264_3 MMAL_VIDEO_LEVEL_H264_31 MMAL_VIDEO_LEVEL_H264_32 MMAL_VIDEO_LEVEL_H264_4 MMAL_VIDEO_LEVEL_H264_41 MMAL_VIDEO_LEVEL_H264_42 MMAL_VIDEO_LEVEL_H264_5 MMAL_VIDEO_LEVEL_H264_51 MMAL_VIDEO_LEVEL_MIN = MMAL_VIDEO_LEVEL_H263_10 MMAL_VIDEO_LEVEL_MAX = MMAL_VIDEO_LEVEL_H264_51 )
func (MMALVideoEncLevel) String ¶ added in v1.0.10
func (l MMALVideoEncLevel) String() string
type MMALVideoEncProfile ¶ added in v1.0.10
type MMALVideoEncProfile uint
const ( // MMALVideoEncProfile MMAL_VIDEO_PROFILE_H263_BASELINE MMALVideoEncProfile = iota MMAL_VIDEO_PROFILE_H263_H320CODING MMAL_VIDEO_PROFILE_H263_BACKWARDCOMPATIBLE MMAL_VIDEO_PROFILE_H263_ISWV2 MMAL_VIDEO_PROFILE_H263_ISWV3 MMAL_VIDEO_PROFILE_H263_HIGHCOMPRESSION MMAL_VIDEO_PROFILE_H263_INTERNET MMAL_VIDEO_PROFILE_H263_INTERLACE MMAL_VIDEO_PROFILE_H263_HIGHLATENCY MMAL_VIDEO_PROFILE_MP4V_SIMPLE MMAL_VIDEO_PROFILE_MP4V_SIMPLESCALABLE MMAL_VIDEO_PROFILE_MP4V_CORE MMAL_VIDEO_PROFILE_MP4V_MAIN MMAL_VIDEO_PROFILE_MP4V_NBIT MMAL_VIDEO_PROFILE_MP4V_SCALABLETEXTURE MMAL_VIDEO_PROFILE_MP4V_SIMPLEFACE MMAL_VIDEO_PROFILE_MP4V_SIMPLEFBA MMAL_VIDEO_PROFILE_MP4V_BASICANIMATED MMAL_VIDEO_PROFILE_MP4V_HYBRID MMAL_VIDEO_PROFILE_MP4V_ADVANCEDREALTIME MMAL_VIDEO_PROFILE_MP4V_CORESCALABLE MMAL_VIDEO_PROFILE_MP4V_ADVANCEDCODING MMAL_VIDEO_PROFILE_MP4V_ADVANCEDCORE MMAL_VIDEO_PROFILE_MP4V_ADVANCEDSCALABLE MMAL_VIDEO_PROFILE_MP4V_ADVANCEDSIMPLE MMAL_VIDEO_PROFILE_H264_BASELINE MMAL_VIDEO_PROFILE_H264_MAIN MMAL_VIDEO_PROFILE_H264_EXTENDED MMAL_VIDEO_PROFILE_H264_HIGH MMAL_VIDEO_PROFILE_H264_HIGH10 MMAL_VIDEO_PROFILE_H264_HIGH422 MMAL_VIDEO_PROFILE_H264_HIGH444 MMAL_VIDEO_PROFILE_H264_CONSTRAINED_BASELINE MMAL_VIDEO_PROFILE_MIN = MMAL_VIDEO_PROFILE_H263_BASELINE MMAL_VIDEO_PROFILE_MAX = MMAL_VIDEO_PROFILE_H264_CONSTRAINED_BASELINE )
func (MMALVideoEncProfile) String ¶ added in v1.0.10
func (p MMALVideoEncProfile) String() string
type MMALVideoFormat ¶ added in v1.0.10
type MMALVideoFormat interface { MMALFormat // Get and set video format parameters WidthHeight() (uint32, uint32) SetWidthHeight(uint32, uint32) Crop() MMALRect SetCrop(MMALRect) FrameRate() MMALRationalNum SetFrameRate(MMALRationalNum) PixelAspectRatio() MMALRationalNum SetPixelAspectRatio(MMALRationalNum) ColorSpace() MMALEncodingType SetColorSpace(MMALEncodingType) }
type MMALVideoParameters ¶
type MMALVideoParameters interface { // Get Parameters DisplayRegion() (MMALDisplayRegion, error) SupportedVideoProfiles() ([]MMALVideoProfile, error) VideoProfile() (MMALVideoProfile, error) IntraPeriod() (uint32, error) MBRowsPerSlice() (uint32, error) Bitrate() (uint32, error) EncodeMinQuant() (uint32, error) EncodeMaxQuant() (uint32, error) ExtraBuffers() (uint32, error) AlignHoriz() (uint32, error) AlignVert() (uint32, error) EncodeInitialQuant() (uint32, error) EncodeQPP() (uint32, error) EncodeRCSliceDQuant() (uint32, error) EncodeFrameLimitBits() (uint32, error) EncodePeakRate() (uint32, error) EncodeH264DeblockIDC() (uint32, error) MaxNumCallbacks() (uint32, error) DroppablePFrameLength() (uint32, error) MinimiseFragmentation() (bool, error) RequestIFrame() (bool, error) ImmutableInput() (bool, error) DroppablePFrames() (bool, error) EncodeH264DisableCABAC() (bool, error) EncodeH264AUDelimiters() (bool, error) EncodeHeaderOnOpen() (bool, error) EncodePrecodeForQP() (bool, error) TimestampFIFO() (bool, error) DecodeErrorConcealment() (bool, error) Encode264VCLHRDParameters() (bool, error) Encode264LowDelayHRDFlag() (bool, error) Encode264EncodeInlineHeader() (bool, error) EncodeSEIEnable() (bool, error) EncodeInlineVectors() (bool, error) InterpolateTimestamps() (bool, error) EncodeSPSTiming() (bool, error) EncodeSeparateNALBufs() (bool, error) EncodeH264LowLatency() (bool, error) // Set Parameters SetDisplayRegion(MMALDisplayRegion) error SetVideoProfile(MMALVideoProfile) error SetMBRowsPerSlice(uint32) error SetBitrate(uint32) error SetEncodeMinQuant(uint32) error SetEncodeMaxQuant(uint32) error SetExtraBuffers(uint32) error SetAlignHoriz(uint32) error SetAlignVert(uint32) error SetEncodeInitialQuant(uint32) error SetEncodeQPP(uint32) error SetEncodeRCSliceDQuant(uint32) error SetEncodeFrameLimitBits(uint32) error SetEncodePeakRate(uint32) error SetEncodeH264DeblockIDC(uint32) error SetMaxNumCallbacks(uint32) error SetDroppablePFrameLength(uint32) error SetMinimiseFragmentation(bool) error SetRequestIFrame(bool) error SetImmutableInput(bool) error SetDroppablePFrames(bool) error SetEncodeH264DisableCABAC(bool) error SetEncodeH264AUDelimiters(bool) error SetEncodeHeaderOnOpen(bool) error SetEncodePrecodeForQP(bool) error SetTimestampFIFO(bool) error SetDecodeErrorConcealment(bool) error SetEncode264VCLHRDParameters(bool) error SetEncode264LowDelayHRDFlag(bool) error SetEncode264EncodeInlineHeader(bool) error SetEncodeSEIEnable(bool) error SetEncodeInlineVectors(bool) error SetInterpolateTimestamps(bool) error SetEncodeSPSTiming(bool) error SetEncodeSeparateNALBufs(bool) error SetEncodeH264LowLatency(bool) error }
type MMALVideoProfile ¶ added in v1.0.10
type MMALVideoProfile struct { Profile MMALVideoEncProfile Level MMALVideoEncLevel }
Directories ¶
Path | Synopsis |
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cmd
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gpio_ctrl
Outputs GPIO status
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Outputs GPIO status |
hw_list
Outputs a table of displays - works on RPi at the moment
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Outputs a table of displays - works on RPi at the moment |
i2c_detect
Detects slaves on the I2C bus
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Detects slaves on the I2C bus |
lirc_receive
Example command for discovery of RPC microservices using mDNS
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Example command for discovery of RPC microservices using mDNS |
mmal_camera_preview
MMAL example to connect camera to screen and render the camera image
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MMAL example to connect camera to screen and render the camera image |
mmal_encode_image
MMAL example to encode an image
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MMAL example to encode an image |
mmal_video_preview
MMAL example to connect camera to screen and render the camera image
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MMAL example to connect camera to screen and render the camera image |
pwm_ctrl
Controls PWM on GPIO pins
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Controls PWM on GPIO pins |
spi_ctrl
Reads bytes from the SPI interface
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Reads bytes from the SPI interface |
rpc
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sys
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mmal
This module provides the interface to the Raspberry Pi MMAL (Multimedia Abstraction Layer) library
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This module provides the interface to the Raspberry Pi MMAL (Multimedia Abstraction Layer) library |
pwm
This module provides the ability to do pulse-width-modulation (PWM) on GPIO pins, affecting both the period of the pulses and the "duty cycle" which determines how long a pulse is "high" for, compared to the "low" state.
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This module provides the ability to do pulse-width-modulation (PWM) on GPIO pins, affecting both the period of the pulses and the "duty cycle" which determines how long a pulse is "high" for, compared to the "low" state. |
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