视频捕获参考

本部分介绍与 AVICap 窗口类关联的函数、结构、消息和宏。 这些元素按如下方式分组。

基本捕获操作

• capCreateCaptureWindow
• WM_CAP_ABORT
• WM_CAP_DRIVER_CONNECT
• WM_CAP_SEQUENCE
• WM_CAP_STOP

捕获 Windows

• CAPSTATUS
• capGetDriverDescription
• WM_CAP_DRIVER_CONNECT
• WM_CAP_DRIVER_DISCONNECT
• WM_CAP_GET_STATUS

捕获驱动程序

• CAPDRIVERCAPS
• WM_CAP_DRIVER_GET_CAPS
• WM_CAP_DRIVER_GET_NAME
• WM_CAP_DRIVER_GET_VERSION
• WM_CAP_GET_AUDIOFORMAT
• WM_CAP_GET_VIDEOFORMAT
• WM_CAP_SET_AUDIOFORMAT
• WM_CAP_SET_VIDEOFORMAT

捕获驱动程序预览和覆盖模式

• WM_CAP_SET_OVERLAY
• WM_CAP_SET_PREVIEW
• WM_CAP_SET_PREVIEWRATE
• WM_CAP_SET_SCALE
• WM_CAP_SET_SCROLL

“捕获驱动程序视频”对话框

• WM_CAP_DLG_VIDEOCOMPRESSION
• WM_CAP_DLG_VIDEODISPLAY
• WM_CAP_DLG_VIDEOFORMAT
• WM_CAP_DLG_VIDEOSOURCE

音频格式

• WM_CAP_GET_AUDIOFORMAT
• WM_CAP_SET_AUDIOFORMAT

视频捕获设置

• CAPTUREPARMS
• WM_CAP_GET_SEQUENCE_SETUP
• WM_CAP_SET_SEQUENCE_SETUP

捕获文件和缓冲区

• CAPTUREPARMS
• WM_CAP_FILE_ALLOCATE
• WM_CAP_FILE_GET_CAPTURE_FILE
• WM_CAP_FILE_SAVEAS
• WM_CAP_FILE_SET_CAPTURE_FILE

直接使用捕获数据

• WM_CAP_SEQUENCE_NOFILE

从 MCI 设备捕获

• WM_CAP_SET_MCI_DEVICE

手动帧捕获

• WM_CAP_SINGLE_FRAME
• WM_CAP_SINGLE_FRAME_CLOSE
• WM_CAP_SINGLE_FRAME_OPEN

Still-Image捕获

• WM_CAP_EDIT_COPY
• WM_CAP_FILE_SAVEDIB
• WM_CAP_GRAB_FRAME
• WM_CAP_GRAB_FRAME_NOSTOP

高级捕获选项

• WM_CAP_FILE_SET_INFOCHUNK
• WM_CAP_GET_USER_DATA
• WM_CAP_SET_USER_DATA

使用调色板

• WM_CAP_EDIT_COPY
• WM_CAP_PAL_AUTOCREATE
• WM_CAP_PAL_MANUALCREATE
• WM_CAP_PAL_OPEN
• WM_CAP_PAL_PASTE
• WM_CAP_PAL_SAVE

向其他应用程序屈服

• WM_CAP_GET_SEQUENCE_SETUP
• WM_CAP_SET_CALLBACK_YIELD
• WM_CAP_SET_SEQUENCE_SETUP

AVICap 回调函数

• capControlCallback
• capErrorCallback
• capStatusCallback
• capVideoStreamCallback
• capWaveStreamCallback
• capYieldCallback
• WM_CAP_SET_CALLBACK_CAPCONTROL
• WM_CAP_SET_CALLBACK_ERROR
• WM_CAP_SET_CALLBACK_FRAME
• WM_CAP_SET_CALLBACK_STATUS
• WM_CAP_SET_CALLBACK_VIDEOSTREAM
• WM_CAP_SET_CALLBACK_WAVESTREAM
• WM_CAP_SET_CALLBACK_YIELD

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视频捕获