video_common: Merged Rohit Consul's additions.
Signed-off-by: Shadul Shaikh <shaduls@xilinx.com> Signed-off-by: Andrei-Liviu Simion <andrei.simion@xilinx.com>
This commit is contained in:
Shadul Shaikh
Nava kishore Manne
parent
325b946207
commit
e90fb4f1eb
3 changed files with 457 additions and 39 deletions
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@ -44,48 +44,50 @@
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*
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* Ver Who Date Changes
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* ----- ---- -------- -----------------------------------------------
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* 1.0 als 01/10/15 Initial release.
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* 1.0 rc, 01/10/15 Initial release.
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* als
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* </pre>
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*
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*******************************************************************************/
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/******************************* Include Files ********************************/
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#include "xil_printf.h"
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#include "xvidc.h"
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/************************** Function Definitions *****************************/
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/*************************** Function Definitions *****************************/
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/*****************************************************************************/
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/******************************************************************************/
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/**
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*
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* This function calculates pixel clock based on the inputs.
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*
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* @param HTotal specifies horizontal total.
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* @param VTotal specifies vertical total.
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* @param FrameRate specifies rate at which frames are generated.
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*
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* @return Pixel clock in Hz.
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*
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* @note None.
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*
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******************************************************************************/
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*
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* This function calculates pixel clock based on the inputs.
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*
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* @param HTotal specifies horizontal total.
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* @param VTotal specifies vertical total.
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* @param FrameRate specifies rate at which frames are generated.
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*
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* @return Pixel clock in Hz.
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*
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* @note None.
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*
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*******************************************************************************/
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u32 XVidC_GetPixelClockHzByHVFr(u32 HTotal, u32 VTotal, u8 FrameRate)
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{
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return (HTotal * VTotal * FrameRate);
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}
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/*****************************************************************************/
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/******************************************************************************/
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/**
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*
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* This function calculates pixel clock from video mode.
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*
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* @param VmId specifies the resolution id.
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*
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* @return Pixel clock in Hz.
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*
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* @note None.
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*
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******************************************************************************/
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*
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* This function calculates pixel clock from video mode.
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*
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* @param VmId specifies the resolution id.
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*
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* @return Pixel clock in Hz.
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*
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* @note None.
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*
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*******************************************************************************/
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u32 XVidC_GetPixelClockHzByVmId(XVidC_VideoMode VmId)
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{
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u32 ClkHz;
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@ -114,20 +116,20 @@ u32 XVidC_GetPixelClockHzByVmId(XVidC_VideoMode VmId)
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return ClkHz;
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}
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/*****************************************************************************/
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/******************************************************************************/
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/**
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*
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* This function check input video mode is interlaced/progressive.
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*
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* @param VmId specifies the resolution id.
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*
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* @return Video format.
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* - XVIDC_VF_PROGRESSIVE
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* - XVIDC_VF_INTERLACED
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*
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* @note None.
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*
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******************************************************************************/
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*
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* This function check input video mode is interlaced/progressive.
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*
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* @param VmId specifies the resolution id.
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*
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* @return Video format.
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* - XVIDC_VF_PROGRESSIVE
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* - XVIDC_VF_INTERLACED
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*
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* @note None.
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*
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*******************************************************************************/
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XVidC_VideoFormat XVidC_GetVideoFormat(XVidC_VideoMode VmId)
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{
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if (XVidC_VideoTimingModes[VmId].Timing.F1VTotal == 0) {
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@ -136,3 +138,375 @@ XVidC_VideoFormat XVidC_GetVideoFormat(XVidC_VideoMode VmId)
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return (XVIDC_VF_INTERLACED);
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}
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/******************************************************************************/
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/**
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*
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* This function returns the Video Mode ID that matches the detected input
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* width, height, frame rate and I/P flag
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*
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* @param Width specifies the number pixels per scanline.
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* @param Height specifies the number of scanline's.
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* @param FrameRate specifies refresh rate in HZ
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* @param IsInterlaced is flag.
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* - 0 = Progressive
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* - 1 = Interlaced.
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*
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* @return Id of a supported video mode.
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*
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* @note None.
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*
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*******************************************************************************/
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XVidC_VideoMode XVidC_GetVideoModeId(u32 Width, u32 Height, u32 FrameRate,
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u8 IsInterlaced)
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{
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u32 Low;
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u32 High;
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u32 Mid;
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u32 HActive;
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u32 VActive;
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u32 Rate;
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u32 ResFound = (FALSE);
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XVidC_VideoMode Mode = (XVIDC_VM_480_30_I);
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if (IsInterlaced) {
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Low = (XVIDC_VM_INTL_START);
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High = (XVIDC_VM_INTL_END);
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}
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else {
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Low = (XVIDC_VM_PROG_START);
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High = (XVIDC_VM_PROG_END);
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}
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HActive = VActive = Rate = 0;
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/* Binary search finds item in sorted array.
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* And returns index (zero based) of item
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* If item is not found returns flag remains
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* FALSE. Search key is "width or HActive"
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*/
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while (Low <= High) {
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Mid = (Low + High) / 2;
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HActive = XVidC_VideoTimingModes[Mid].Timing.HActive;
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if (Width == HActive) {
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ResFound = (TRUE);
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break;
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}
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else if (Width < HActive) {
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High = Mid - 1;
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}
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else {
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Low = Mid + 1;
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}
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}
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/* HActive matched at middle */
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if (ResFound) {
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/* Rewind to start index of mode with matching width */
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while ((Mid > 0) &&
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(XVidC_VideoTimingModes[Mid - 1].Timing.HActive ==
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Width)) {
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--Mid;
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}
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ResFound = (FALSE);
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VActive = XVidC_VideoTimingModes[Mid].Timing.VActive;
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Rate = XVidC_VideoTimingModes[Mid].FrameRate;
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/* Now do a linear search for matching VActive and Frame
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* Rate
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*/
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while (HActive == Width) {
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/* check current entry */
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if ((VActive == Height) && (Rate == FrameRate)) {
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ResFound = (TRUE);
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break;
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}
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/* Check next entry */
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else {
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Mid = Mid + 1;
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HActive =
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XVidC_VideoTimingModes[Mid].Timing.HActive;
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VActive =
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XVidC_VideoTimingModes[Mid].Timing.VActive;
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Rate = XVidC_VideoTimingModes[Mid].FrameRate;
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}
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}
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Mode =
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(ResFound) ? (XVidC_VideoMode)Mid : (XVIDC_VM_NOT_SUPPORTED);
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}
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else {
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Mode = (XVIDC_VM_NOT_SUPPORTED);
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}
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return (Mode);
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}
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/******************************************************************************/
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/**
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*
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* This function returns the pointer to video mode data at index provided.
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*
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* @param VmId specifies the resolution id.
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*
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* @return Pointer to XVidC_VideoTimingMode structure based on the given
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* video mode.
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*
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* @note None.
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*
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*******************************************************************************/
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const XVidC_VideoTimingMode *XVidC_GetVideoModeData(XVidC_VideoMode VmId)
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{
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if (VmId < (XVIDC_VM_NUM_SUPPORTED)) {
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return (&XVidC_VideoTimingModes[VmId]);
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}
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else {
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return (NULL);
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}
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}
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/******************************************************************************/
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/**
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*
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* This function returns the resolution name for index specified.
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*
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* @param VmId specifies the resolution id.
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*
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* @return Pointer to a resolution name string.
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*
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* @note None.
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*
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*******************************************************************************/
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const char *XVidC_GetVideoModeStr(XVidC_VideoMode VmId)
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{
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if (VmId < (XVIDC_VM_NUM_SUPPORTED)) {
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return (XVidC_VideoTimingModes[VmId].Name);
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}
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else {
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return ("Video mode not supported");
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}
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}
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/******************************************************************************/
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/**
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*
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* This function returns the frame rate name for index specified.
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*
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* @param VmId specifies the resolution id.
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*
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* @return Pointer to a frame rate name string.
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*
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* @note None.
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*
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*******************************************************************************/
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char *XVidC_GetFrameRateStr(XVidC_VideoMode VmId)
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{
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if (VmId < (XVIDC_VM_NUM_SUPPORTED)) {
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switch (XVidC_VideoTimingModes[VmId].FrameRate) {
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case (XVIDC_FR_24HZ):
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return ("24Hz");
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case (XVIDC_FR_25HZ):
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return ("25Hz");
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case (XVIDC_FR_30HZ):
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return ("30Hz");
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case (XVIDC_FR_50HZ):
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return ("50Hz");
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case (XVIDC_FR_56HZ):
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return ("56Hz");
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case (XVIDC_FR_60HZ):
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return ("60Hz");
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case (XVIDC_FR_65HZ):
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return ("65Hz");
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case (XVIDC_FR_67HZ):
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return ("67Hz");
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case (XVIDC_FR_70HZ):
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return("70Hz");
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case (XVIDC_FR_72HZ):
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return ("72Hz");
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case (XVIDC_FR_75HZ):
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return ("75Hz");
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case (XVIDC_FR_85HZ):
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return ("85Hz");
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case (XVIDC_FR_87HZ):
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return ("87Hz");
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case (XVIDC_FR_88HZ):
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return ("88Hz");
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case (XVIDC_FR_100HZ):
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return("100Hz");
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case (XVIDC_FR_120HZ):
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return ("120Hz");
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default:
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return ("Frame rate not supported");
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}
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}
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else {
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return ("Video mode not supported");
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}
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}
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/******************************************************************************/
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/**
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*
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* This function returns the color format name for index specified.
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*
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* @param ColorSpaceId specifies the index of color space.
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* 0 = XVIDC_CSF_RGB
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* 1 = XVIDC_CSF_YCRCB_444,
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* 2 = XVIDC_CSF_YCRCB_422,
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* 3 = XVIDC_CSF_YCRCB_420,
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*
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* @return Pointer to a color space name string.
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*
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* @note None.
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*
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*******************************************************************************/
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char *XVidC_GetColorFormatStr(XVidC_ColorSpace ColorSpaceId)
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{
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switch (ColorSpaceId) {
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case (XVIDC_CSF_RGB):
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return ("RGB");
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case (XVIDC_CSF_YCRCB_444):
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return ("YUV_444");
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case (XVIDC_CSF_YCRCB_422):
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return ("YUV_422");
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case (XVIDC_CSF_YCRCB_420):
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return ("YUV_420");
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default:
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return ("Color space format not supported");
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}
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}
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/******************************************************************************/
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/**
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*
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* This function returns the frame rate for index specified.
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*
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* @param VmId specifies the resolution id.
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*
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* @return Frame rate in Hz.
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*
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* @note None.
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*
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*******************************************************************************/
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XVidC_FrameRate XVidC_GetFrameRate(XVidC_VideoMode VmId)
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{
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if (VmId < (XVIDC_VM_NUM_SUPPORTED)) {
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return (XVidC_VideoTimingModes[VmId].FrameRate);
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}
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else {
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return (XVIDC_FR_NUM_SUPPORTED);
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}
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}
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/******************************************************************************/
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/**
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*
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* This function returns the timing parameters for specified resolution.
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*
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* @param VmId specifies the resolution id.
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*
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* @return Pointer to a XVidC_VideoTiming structure.
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*
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* @note None.
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*
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*******************************************************************************/
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const XVidC_VideoTiming *XVidC_GetTimingInfo(XVidC_VideoMode VmId)
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{
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if (VmId < (XVIDC_VM_NUM_SUPPORTED)) {
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return (&XVidC_VideoTimingModes[VmId].Timing);
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}
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else {
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return (NULL);
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}
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}
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/******************************************************************************/
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/**
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*
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* This function prints the stream information on STDIO/UART console.
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*
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* @param Stream is a pointer to video stream.
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*
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* @return None.
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*
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* @note None.
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*
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*******************************************************************************/
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void XVidC_ReportStreamInfo(XVidC_VideoStream *Stream)
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{
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xil_printf("\tColor Space Format:%s\r\n", \
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XVidC_GetColorFormatStr(Stream->ColorSpaceId));
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xil_printf("\tColor Depth:%d\r\n", Stream->ColorDepth);
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xil_printf("\tPixels Per Clock:%d\r\n", Stream->PixPerClk);
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xil_printf("\tFrame Rate:%s\r\n", XVidC_GetFrameRateStr(Stream->VmId));
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xil_printf("\tMode:%s\r\n", \
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Stream->IsInterlaced ? "Interlaced" : "Progressive" );
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xil_printf("\tResolution:%s\r\n", XVidC_GetVideoModeStr(Stream->VmId));
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xil_printf("\tPixel Clock:%d\r\n", \
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XVidC_GetPixelClockHzByVmId(Stream->VmId));
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}
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/******************************************************************************/
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/**
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*
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* This function prints timing information on STDIO/Uart console.
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*
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* @param Timing is a pointer to Video Timing structure of the stream.
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* @param IsInterlaced is a TRUE/FALSE flag that denotes the timing
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* parameter is for interlaced/progressive stream.
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*
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* @return None.
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*
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* @note None.
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*
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*******************************************************************************/
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void XVidC_ReportTiming(XVidC_VideoTiming *Timing, u8 IsInterlaced)
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{
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xil_printf("\r\n\tHSYNC Timing: hav=%04d, hfp=%02d, hsw=%02d(hsp=%d), \
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hbp=%03d, htot=%04d \n\r", Timing->HActive, \
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Timing->HFrontPorch, Timing->HSyncWidth, \
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Timing->HSyncPolarity, \
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Timing->HBackPorch, Timing->HTotal);
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/* Interlaced */
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if (IsInterlaced) {
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xil_printf("\tVSYNC Timing (Field 0): vav=%04d, vfp=%02d, \
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vsw=%02d(vsp=%d), vbp=%03d, vtot=%04d\n\r", \
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Timing->VActive, Timing->F0PVFrontPorch, \
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Timing->F0PVSyncWidth, Timing->VSyncPolarity, \
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Timing->F0PVBackPorch, Timing->F0PVTotal);
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xil_printf("\tVSYNC Timing (Field 1): vav=%04d, vfp=%02d, \
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vsw=%02d(vsp=%d), vbp=%03d, vtot=%04d\n\r", \
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Timing->VActive, Timing->F1VFrontPorch, \
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Timing->F1VSyncWidth, Timing->VSyncPolarity, \
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Timing->F1VBackPorch, Timing->F1VTotal);
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}
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/* Progressive */
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else {
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xil_printf("\tVSYNC Timing: vav=%04d, vfp=%02d, \
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vsw=%02d(vsp=%d), vbp=%03d, vtot=%04d\n\r", \
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Timing->VActive, Timing->F0PVFrontPorch, \
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Timing->F0PVSyncWidth, Timing->VSyncPolarity, \
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Timing->F0PVBackPorch, Timing->F0PVTotal);
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}
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}
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|
|
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|
|
@ -71,9 +71,13 @@
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typedef enum {
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/* Interlaced modes. */
|
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XVIDC_VM_480_30_I = 0,
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XVIDC_VM_480_60_I,
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XVIDC_VM_576_25_I,
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XVIDC_VM_576_50_I,
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XVIDC_VM_1080_25_I,
|
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XVIDC_VM_1080_30_I,
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XVIDC_VM_1080_50_I,
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XVIDC_VM_1080_60_I,
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/* Progressive modes. */
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XVIDC_VM_640x350_85_P,
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|
|
@ -83,6 +87,7 @@ typedef enum {
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|||
XVIDC_VM_640x480_85_P,
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XVIDC_VM_720x400_85_P,
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XVIDC_VM_720x480_60_P,
|
||||
XVIDC_VM_720x576_50_P,
|
||||
XVIDC_VM_800x600_56_P,
|
||||
XVIDC_VM_800x600_60_P,
|
||||
XVIDC_VM_800x600_72_P,
|
||||
|
|
@ -346,11 +351,35 @@ typedef struct {
|
|||
XVidC_VideoTiming Timing;
|
||||
} XVidC_VideoTimingMode;
|
||||
|
||||
/**
|
||||
* Callback type which represents a custom timer wait handler. This is only
|
||||
* used for Microblaze since it doesn't have a native sleep function. To avoid
|
||||
* dependency on a hardware timer, the default wait functionality is implemented
|
||||
* using loop iterations; this isn't too accurate. Therefore a custom timer
|
||||
* handler is used, the user may implement their own wait implementation.
|
||||
*
|
||||
* @param TimerPtr is a pointer to the timer instance.
|
||||
* @param Delay is the duration (msec/usec) to be passed to the timer
|
||||
* function.
|
||||
*
|
||||
*******************************************************************************/
|
||||
typedef void (*XVidC_DelayHandler)(void *TimerPtr, u32 Delay);
|
||||
|
||||
/**************************** Function Prototypes *****************************/
|
||||
|
||||
u32 XVidC_GetPixelClockHzByHVFr(u32 HTotal, u32 VTotal, u8 FrameRate);
|
||||
u32 XVidC_GetPixelClockHzByVmId(XVidC_VideoMode VmId);
|
||||
XVidC_VideoFormat XVidC_GetVideoFormat(XVidC_VideoMode VmId);
|
||||
XVidC_VideoMode XVidC_GetVideoModeId(u32 Width, u32 Height, u32 FrameRate,
|
||||
u8 IsInterlaced);
|
||||
const XVidC_VideoTimingMode* XVidC_GetVideoModeData(XVidC_VideoMode VmId);
|
||||
const char* XVidC_GetVideoModeStr(XVidC_VideoMode VmId);
|
||||
char* XVidC_GetFrameRateStr(XVidC_VideoMode VmId);
|
||||
char* XVidC_GetColorFormatStr(XVidC_ColorSpace ColorSpaceId);
|
||||
XVidC_FrameRate XVidC_GetFrameRate(XVidC_VideoMode VmId);
|
||||
const XVidC_VideoTiming* XVidC_GetTimingInfo(XVidC_VideoMode VmId);
|
||||
void XVidC_ReportStreamInfo(XVidC_VideoStream *Stream);
|
||||
void XVidC_ReportTiming(XVidC_VideoTiming *Timing, u8 IsInterlaced);
|
||||
|
||||
/*************************** Variable Declarations ****************************/
|
||||
|
||||
|
|
|
|||
|
|
@ -85,15 +85,27 @@ const XVidC_VideoTimingMode XVidC_VideoTimingModes[XVIDC_VM_NUM_SUPPORTED] =
|
|||
{ XVIDC_VM_480_30_I, "720x480@30Hz (I)", XVIDC_FR_30HZ,
|
||||
{720, 19, 62, 57, 858, 0,
|
||||
240, 4, 3, 15, 262, 4, 3, 16, 263, 0} },
|
||||
{ XVIDC_VM_480_60_I, "720x480@60Hz (I)", XVIDC_FR_60HZ,
|
||||
{720, 19, 62, 57, 858, 0,
|
||||
240, 4, 3, 15, 262, 4, 3, 16, 263, 0} },
|
||||
{ XVIDC_VM_576_25_I, "720x576@25Hz (I)", XVIDC_FR_25HZ,
|
||||
{720, 12, 63, 69, 864, 0,
|
||||
288, 2, 3, 19, 312, 2, 3, 20, 313, 0} },
|
||||
{ XVIDC_VM_576_50_I, "720x576@50Hz (I)", XVIDC_FR_50HZ,
|
||||
{720, 12, 63, 69, 864, 0,
|
||||
288, 2, 3, 19, 312, 2, 3, 20, 313, 0} },
|
||||
{ XVIDC_VM_1080_25_I, "1920x1080@25Hz (I)", XVIDC_FR_25HZ,
|
||||
{1920, 88, 44, 148, 2200, 1,
|
||||
540, 2, 5, 15, 562, 2, 5, 16, 563, 1} },
|
||||
{ XVIDC_VM_1080_30_I, "1920x1080@30Hz (I)", XVIDC_FR_30HZ,
|
||||
{1920, 88, 44, 148, 2200, 1,
|
||||
540, 2, 5, 15, 562, 2, 5, 16, 563, 1} },
|
||||
{ XVIDC_VM_1080_50_I, "1920x1080@50Hz (I)", XVIDC_FR_50HZ,
|
||||
{1920, 88, 44, 148, 2200, 1,
|
||||
540, 2, 5, 15, 562, 2, 5, 16, 563, 1}, },
|
||||
{ XVIDC_VM_1080_60_I, "1920x1080@60Hz (I)", XVIDC_FR_60HZ,
|
||||
{1920, 88, 44, 148, 2200, 1,
|
||||
540, 2, 5, 15, 562, 2, 5, 16, 563, 1}, },
|
||||
|
||||
/* Progressive modes. */
|
||||
{ XVIDC_VM_640x350_85_P, "640x350@85Hz", XVIDC_FR_85HZ,
|
||||
|
|
@ -117,6 +129,9 @@ const XVidC_VideoTimingMode XVidC_VideoTimingModes[XVIDC_VM_NUM_SUPPORTED] =
|
|||
{ XVIDC_VM_720x480_60_P, "720x480@60Hz", XVIDC_FR_60HZ,
|
||||
{720, 16, 62, 60, 858, 0,
|
||||
480, 9, 6, 30, 525, 0, 0, 0, 0, 0} },
|
||||
{ XVIDC_VM_720x576_50_P, "720x576@50Hz", XVIDC_FR_50HZ,
|
||||
{720, 16, 64, 68, 864, 1,
|
||||
576, 5, 5, 39, 625, 0, 0, 0, 0, 1}, },
|
||||
{ XVIDC_VM_800x600_56_P, "800x600@56Hz", XVIDC_FR_56HZ,
|
||||
{800, 24, 72, 128, 1024, 1,
|
||||
600, 1, 2, 22, 625, 0, 0, 0, 0, 1} },
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue