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Data Structures | |
struct | Resize_Attrs |
Attributes used to create a Resize job. More... | |
Typedefs | |
typedef struct Resize_Object * | Resize_Handle |
Handle through which to reference a Resize job. | |
Enumerations | |
enum | Resize_WindowType { Resize_WindowType_HANN = 0, Resize_WindowType_BLACKMAN, Resize_WindowType_TRIANGULAR, Resize_WindowType_RECTANGULAR } |
The window types supported for coefficient calculation. More... | |
enum | Resize_FilterType { Resize_FilterType_BILINEAR = 0, Resize_FilterType_BICUBIC, Resize_FilterType_LOWPASS } |
The filter types supported for coefficient calculation. More... | |
Functions | |
Resize_Handle | Resize_create (Resize_Attrs *attrs) |
Creates a Resize job. | |
Int | Resize_config (Resize_Handle hResize, Buffer_Handle hSrcBuf, Buffer_Handle hDstBuf) |
Configure a Resize job. | |
Int | Resize_execute (Resize_Handle hResize, Buffer_Handle hSrcBuf, Buffer_Handle hDstBuf) |
Execute a Resize job. | |
Int | Resize_delete (Resize_Handle hResize) |
Deletes a Resize job. | |
Variables | |
const Resize_Attrs | Resize_Attrs_DEFAULT |
Default attributes for a Resize job. |
#include <xdc/std.h> #include <ti/sdo/dmai/Dmai.h> #include <ti/sdo/dmai/Resize.h> #include <ti/sdo/dmai/BufferGfx.h> BufferGfx_Attrs gfxAttrs = BufferGfx_Attrs_DEFAULT; Resize_Attrs rszAttrs = Resize_Attrs_DEFAULT; Buffer_Handle inBuf, outBuf; Capture_Handle hCap; Resize_Handle hResize; Int32 bufSize; Dmai_init(); bufSize = BufferGfx_calcSize(VideoStd_D1_NTSC, ColorSpace_420P); BufferGfx_calcDimensions(VideoStd_D1_NTSC, ColorSpace_420P, &gfxAttrs.dim); gfxAttrs.colorSpace = ColorSpace_420P; outBuf = Buffer_create(bufSize, Buffer_getBufferAttrs(&gfxAttrs)); bufSize = BufferGfx_calcSize(VideoStd_720P, ColorSpace_420P); BufferGfx_calcDimensions(VideoStd_720P, ColorSpace_420P, &gfxAttrs.dim); gfxAttrs.colorSpace = ColorSpace_420P; inBuf = Buffer_create(bufSize, Buffer_getBufferAttrs(&gfxAttrs)); Resize_create(&rszAttrs); Resize_config(hInBuf, hOutBuf); // Fill hInBuf with video data Resize_execute(hResize, inBuf, outBuf); Buffer_delete(inBuf); Buffer_delete(outBuf); Resize_delete(hResize);
typedef struct Resize_Object* Resize_Handle |
Handle through which to reference a Resize job.
enum Resize_WindowType |
enum Resize_FilterType |
Resize_Handle Resize_create | ( | Resize_Attrs * | attrs | ) |
Creates a Resize job.
[in] | attrs | Resize_Attrs to use for creating the Resize job. |
Handle | for use in subsequent operations (see Resize_Handle). | |
NULL | for failure. |
Int Resize_config | ( | Resize_Handle | hResize, | |
Buffer_Handle | hSrcBuf, | |||
Buffer_Handle | hDstBuf | |||
) |
Configure a Resize job.
[in] | hResize | The Resize_Handle of the job to configure. |
[in] | hSrcBuf | The source buffer to configure for. Note that only the buffer properties are accessed, the pointers are not used. |
[in] | hDstBuf | The destination buffer to configure for. Note that only the buffer properties are accessed, the pointers are not used. |
Dmai_EOK | for success. | |
Negative value | for failure, see Dmai.h. |
Int Resize_execute | ( | Resize_Handle | hResize, | |
Buffer_Handle | hSrcBuf, | |||
Buffer_Handle | hDstBuf | |||
) |
Execute a Resize job.
[in] | hResize | The Resize_Handle of the job to execute. |
[in] | hSrcBuf | The Buffer_Handle of the source buffer to copy from. |
[in] | hDstBuf | The Buffer_Handle of the destination buffer to copy to. |
Dmai_EOK | for success. | |
Negative value | for failure, see Dmai.h. |
Resize_config must be called before this function.
Int Resize_delete | ( | Resize_Handle | hResize | ) |
Deletes a Resize job.
[in] | hResize | The Resize_Handle of the job to delete. |
Dmai_EOK | for success. | |
Negative value | for failure, see Dmai.h. |
Default attributes for a Resize job.
hWindowType = Resize_WindowType_BLACKMAN, vWindowType = Resize_WindowType_BLACKMAN, hFilterType = Resize_FilterType_LOWPASS, vFilterType = Resize_FilterType_LOWPASS, rszRate = 0xe