static GstFlowReturn
create(GstPushSrc *base, GstBuffer **buf)
{
GstTICaptureSrc *src = (GstTICaptureSrc *)base;
Buffer_Handle hDstBuf;
GstBuffer *outBuf;
gint ret = GST_FLOW_OK;
BufferGfx_Attrs gfxAttrs = BufferGfx_Attrs_DEFAULT;
Int32 width, height;
GST_LOG("create begin");
/* create capture device */
if (src->hCapture == NULL) {
/* set framerate based on video standard */
switch(dmai_video_std(src->video_standard)) {
case VideoStd_D1_NTSC:
gst_value_set_fraction(&src->framerate,30000,1001);
break;
case VideoStd_D1_PAL:
gst_value_set_fraction(&src->framerate,25,1);
break;
default:
gst_value_set_fraction(&src->framerate,30,1);
break;
}
/* set width & height based on video standard */
src->cAttrs.videoStd = dmai_video_std(src->video_standard);
VideoStd_getResolution(src->cAttrs.videoStd, &width, &height);
width = 720;
height = 576;
GST_WARNING("force video size to %dx%d", src->width, src->height);
src->width = width;
src->height = height;
gfxAttrs.dim.height = src->height;
gfxAttrs.dim.width = src->width;
src->cAttrs.captureDimension = &gfxAttrs.dim;
if (!capture_create(src))
return GST_FLOW_ERROR;
}
/* Get buffer from driver */
if (Capture_get(src->hCapture, &hDstBuf)) {
GST_ELEMENT_ERROR(src, RESOURCE, FAILED,
("Failed to allocate buffer\n"), (NULL));
return GST_FLOW_ERROR;
}
/* Create a DMAI transport buffer object to carry a DMAI buffer to
* the source pad. The transport buffer knows how to release the
* buffer for re-use in this element when the source pad calls
* gst_buffer_unref().
*/
outBuf = gst_tidmaibuffertransport_new(hDstBuf, src->hBufTab, capture_buffer_finalize, (void*)src);
gst_buffer_set_data(outBuf, GST_BUFFER_DATA(outBuf), Buffer_getSize(hDstBuf));
*buf = outBuf;
/* set buffer metadata */
if (G_LIKELY (ret == GST_FLOW_OK && *buf)) {
GstClock *clock;
GstClockTime timestamp;
GST_BUFFER_OFFSET (*buf) = src->offset++;
GST_BUFFER_OFFSET_END (*buf) = src->offset;
/* timestamps, LOCK to get clock and base time. */
GST_OBJECT_LOCK (src);
if ((clock = GST_ELEMENT_CLOCK (src))) {
/* we have a clock, get base time and ref clock */
timestamp = GST_ELEMENT (src)->base_time;
gst_object_ref (clock);
} else {
/* no clock, can't set timestamps */
timestamp = GST_CLOCK_TIME_NONE;
}
GST_OBJECT_UNLOCK (src);
if (G_LIKELY (clock)) {
/* the time now is the time of the clock minus the base time */
timestamp = gst_clock_get_time (clock) - timestamp;
gst_object_unref (clock);
/* if we have a framerate adjust timestamp for frame latency */
if (GST_CLOCK_TIME_IS_VALID (src->duration)) {
if (timestamp > src->duration)
timestamp -= src->duration;
else
timestamp = 0;
}
}
/* FIXME: use the timestamp from the buffer itself! */
GST_BUFFER_TIMESTAMP (*buf) = timestamp;
GST_BUFFER_DURATION (*buf) = src->duration;
}
/* Create caps for buffer */
GstCaps *mycaps;
GstStructure *structure;
mycaps = gst_caps_new_empty();
if (src->cAttrs.colorSpace == ColorSpace_UYVY) {
structure = gst_structure_new( "video/x-raw-yuv",
"format", GST_TYPE_FOURCC, GST_MAKE_FOURCC('U', 'Y', 'V', 'Y'),
"framerate", GST_TYPE_FRACTION,
gst_value_get_fraction_numerator(&src->framerate),
gst_value_get_fraction_denominator(&src->framerate),
"width", G_TYPE_INT, src->width,
"height", G_TYPE_INT, src->height,
(gchar*) NULL);
}
else if(src->cAttrs.colorSpace == ColorSpace_YUV420PSEMI) {
structure = gst_structure_new( "video/x-raw-yuv",
"format", GST_TYPE_FOURCC, GST_MAKE_FOURCC('N', 'V', '1', '2'),
"framerate", GST_TYPE_FRACTION,
gst_value_get_fraction_numerator(&src->framerate),
gst_value_get_fraction_denominator(&src->framerate),
"width", G_TYPE_INT, src->width,
"height", G_TYPE_INT, src->height,
(gchar*) NULL);
}
else {
GST_ERROR("unsupported fourcc\n");
return FALSE;
}
gst_caps_append_structure(mycaps, gst_structure_copy (structure));
gst_structure_free(structure);
gst_buffer_set_caps(*buf, mycaps);
gst_caps_unref(mycaps);
{
static int fn;
fn++;
GST_INFO("capture frame %d", fn);
}
GST_LOG("create end");
return GST_FLOW_OK;
}
/******************************************************************************
* captureThrFxn
******************************************************************************/
Void *captureThrFxn(Void *arg)
{
CaptureEnv *envp = (CaptureEnv *) arg;
Void *status = THREAD_SUCCESS;
Capture_Attrs cAttrs = Capture_Attrs_DM365_DEFAULT;
BufferGfx_Attrs gfxAttrs = BufferGfx_Attrs_DEFAULT;
Capture_Handle hCapture = NULL;
BufTab_Handle hBufTab = NULL;
BufferGfx_Dimensions dim;
Buffer_Handle hDstBuf, hCapBuf;
Int32 width, height, bufSize;
Int fifoRet;
ColorSpace_Type colorSpace = ColorSpace_YUV420PSEMI;
/* Create capture device driver instance */
cAttrs.numBufs = NUM_CAPTURE_BUFS;
cAttrs.videoInput = envp->videoInput;
cAttrs.videoStd = envp->videoStd;
cAttrs.colorSpace = colorSpace;
if (VideoStd_getResolution(envp->videoStd, &width, &height) < 0) {
ERR("Failed to calculate resolution of video standard\n");
cleanup(THREAD_FAILURE);
}
if (envp->imageWidth > 0 && envp->imageHeight > 0) {
if (width < envp->imageWidth && height < envp->imageHeight) {
ERR("User resolution (%ldx%ld) larger than detected (%ldx%ld)\n",
envp->imageWidth, envp->imageHeight, width, height);
cleanup(THREAD_FAILURE);
}
/*
* Capture driver provides 32-byte aligned data. We 32-byte align the
* capture and video buffers to perform zero copy encoding.
*/
envp->imageWidth = Dmai_roundUp(envp->imageWidth, 32);
}
else {
/* Resolution was not set on command line. Set to defaults. */
envp->imageHeight = height;
/*
* Capture driver provides 32-byte aligned data. We 32-byte align the
* capture and video buffers to perform zero copy encoding.
*/
envp->imageWidth = Dmai_roundUp(width, 32);
}
Dmai_clear(dim);
dim.width = envp->imageWidth;
dim.height = envp->imageHeight;
dim.lineLength = Dmai_roundUp(dim.width, 32);
if (colorSpace == ColorSpace_YUV420PSEMI) {
bufSize = dim.lineLength * dim.height * 3 / 2;
} else {
bufSize = dim.lineLength * dim.height * 2;
}
gfxAttrs.dim = dim;
/* Report the video standard and image size back to the main thread */
Rendezvous_meet(envp->hRendezvousCapStd);
gfxAttrs.colorSpace = colorSpace;
hBufTab = BufTab_create(NUM_CAPTURE_BUFS, bufSize,
BufferGfx_getBufferAttrs(&gfxAttrs));
if (hBufTab == NULL) {
ERR("Failed to create buftab\n");
cleanup(THREAD_FAILURE);
}
if ((envp->videoStd == VideoStd_720P_60) && (!envp->passThrough)) {
cAttrs.videoStd = VideoStd_720P_30;
}
else {
cAttrs.videoStd = envp->videoStd;
}
cAttrs.colorSpace = colorSpace;
cAttrs.captureDimension = &dim;
cAttrs.numBufs = NUM_CAPTURE_BUFS;
hCapture = Capture_create(hBufTab, &cAttrs);
if (hCapture == NULL) {
ERR("Failed to create capture device\n");
cleanup(THREAD_FAILURE);
}
/* Get a buffer from the video thread */
fifoRet = Fifo_get(envp->hInFifo, &hDstBuf);
if (fifoRet < 0) {
ERR("Failed to get buffer from video thread\n");
cleanup(THREAD_FAILURE);
}
if (fifoRet == Dmai_EFLUSH) {
cleanup(THREAD_SUCCESS);
}
/* Signal that initialization is done and wait for other threads */
Rendezvous_meet(envp->hRendezvousInit);
while (!gblGetQuit()) {
/* Get a buffer from the capture driver to encode */
if (Capture_get(hCapture, &hCapBuf) < 0) {
ERR("Failed to get capture buffer\n");
cleanup(THREAD_FAILURE);
}
/* Send captured buffer to video thread for encoding */
if (Fifo_put(envp->hOutFifo, hCapBuf) < 0) {
ERR("Failed to send buffer to video thread\n");
cleanup(THREAD_FAILURE);
}
/* Pause processing? */
Pause_test(envp->hPauseProcess);
/* Get a buffer from the video thread */
fifoRet = Fifo_get(envp->hInFifo, &hDstBuf);
if (fifoRet < 0) {
ERR("Failed to get buffer from video thread\n");
cleanup(THREAD_FAILURE);
}
/* Did the video thread flush the fifo? */
if (fifoRet == Dmai_EFLUSH) {
cleanup(THREAD_SUCCESS);
}
/* Return a buffer to the capture driver */
if (Capture_put(hCapture, hDstBuf) < 0) {
ERR("Failed to put capture buffer\n");
cleanup(THREAD_FAILURE);
}
}
cleanup:
/* Make sure the other threads aren't waiting for us */
Rendezvous_force(envp->hRendezvousCapStd);
Rendezvous_force(envp->hRendezvousInit);
Pause_off(envp->hPauseProcess);
Fifo_flush(envp->hOutFifo);
/* Meet up with other threads before cleaning up */
Rendezvous_meet(envp->hRendezvousCleanup);
if (hCapture) {
Capture_delete(hCapture);
}
/* Clean up the thread before exiting */
if (hBufTab) {
BufTab_delete(hBufTab);
}
return status;
}
/******************************************************************************
* appMain
******************************************************************************/
Int appMain(Args * args)
{
Framecopy_Attrs fcAttrs = Framecopy_Attrs_DEFAULT;
BufferGfx_Attrs gfxAttrs = BufferGfx_Attrs_DEFAULT;
Smooth_Attrs smAttrs = Smooth_Attrs_DEFAULT;
Time_Attrs tAttrs = Time_Attrs_DEFAULT;
BufTab_Handle hCapBufTab = NULL;
BufTab_Handle hDisBufTab = NULL;
Display_Handle hDisplay = NULL;
Capture_Handle hCapture = NULL;
Framecopy_Handle hFc = NULL;
Smooth_Handle hSmooth = NULL;
Time_Handle hTime = NULL;
Int numFrame = 0;
Display_Attrs dAttrs;
Capture_Attrs cAttrs;
Buffer_Handle cBuf, dBuf;
Cpu_Device device;
Int bufIdx;
UInt32 time;
BufferGfx_Dimensions dim;
Int32 bufSize;
Int ret = Dmai_EOK;
/* Initialize DMAI */
Dmai_init();
if (args->benchmark) {
hTime = Time_create(&tAttrs);
if (hTime == NULL) {
ret = Dmai_EFAIL;
fprintf(stderr,"Failed to create Time object\n");
goto cleanup;
}
}
/* Determine which device the application is running on */
if (Cpu_getDevice(NULL, &device) < 0) {
ret = Dmai_EFAIL;
fprintf(stderr,"Failed to determine target board\n");
goto cleanup;
}
/* Set the display and capture attributes depending on device */
switch (device) {
case Cpu_Device_DM6467:
dAttrs = Display_Attrs_DM6467_VID_DEFAULT;
cAttrs = Capture_Attrs_DM6467_DEFAULT;
break;
case Cpu_Device_DM365:
case Cpu_Device_DM368:
dAttrs = Display_Attrs_DM365_VID_DEFAULT;
cAttrs = Capture_Attrs_DM365_DEFAULT;
dAttrs.colorSpace = ColorSpace_YUV420PSEMI;
cAttrs.colorSpace = dAttrs.colorSpace;
break;
case Cpu_Device_OMAPL138:
dAttrs = Display_Attrs_OMAPL138_VID_DEFAULT;
cAttrs = Capture_Attrs_OMAPL138_DEFAULT;
break;
case Cpu_Device_OMAP3530:
case Cpu_Device_DM3730:
dAttrs = Display_Attrs_O3530_VID_DEFAULT;
cAttrs = Capture_Attrs_OMAP3530_DEFAULT;
dAttrs.colorSpace = cAttrs.colorSpace = ColorSpace_UYVY;
dAttrs.rotation = 270;
break;
default:
dAttrs = Display_Attrs_DM6446_DM355_VID_DEFAULT;
cAttrs = Capture_Attrs_DM6446_DM355_DEFAULT;
break;
}
if (args->displayStd != -1) {
dAttrs.displayStd = args->displayStd;
}
if (args->displayDevice) {
dAttrs.displayDevice = args->displayDevice;
}
if (args->displayNumBufs != -1) {
dAttrs.numBufs = args->displayNumBufs;
}
/* Enable cropping in capture driver if selected */
if (args->width != -1 && args->height != -1 && args->crop) {
cAttrs.cropX = args->xIn;
cAttrs.cropY = args->yIn;
cAttrs.cropWidth = args->width;
cAttrs.cropHeight = args->height;
}
cAttrs.videoInput = args->videoInput;
if (Capture_detectVideoStd(NULL, &cAttrs.videoStd, &cAttrs) < 0) {
ret = Dmai_EFAIL;
fprintf(stderr,"Failed to detect capture video standard\n");
goto cleanup;
}
/* The color space of the capture buffers depend on the device */
gfxAttrs.colorSpace = cAttrs.colorSpace;
if (VideoStd_getResolution(cAttrs.videoStd, &gfxAttrs.dim.width,
&gfxAttrs.dim.height) < 0) {
goto cleanup;
}
gfxAttrs.dim.lineLength =
Dmai_roundUp(BufferGfx_calcLineLength(gfxAttrs.dim.width,
gfxAttrs.colorSpace), 32);
gfxAttrs.dim.x = 0;
gfxAttrs.dim.y = 0;
if (gfxAttrs.colorSpace == ColorSpace_YUV422PSEMI) {
bufSize = gfxAttrs.dim.lineLength * gfxAttrs.dim.height * 2;
}
else if (gfxAttrs.colorSpace == ColorSpace_YUV420PSEMI) {
bufSize = gfxAttrs.dim.lineLength * gfxAttrs.dim.height * 3 / 2;
}
else {
bufSize = gfxAttrs.dim.lineLength * gfxAttrs.dim.height;
}
if (args->captureUalloc) {
/* Create a table of video buffers to use with the capture device */
hCapBufTab = BufTab_create(cAttrs.numBufs, bufSize,
BufferGfx_getBufferAttrs(&gfxAttrs));
if (hCapBufTab == NULL) {
ret = Dmai_EFAIL;
fprintf(stderr,"Failed to allocate contiguous buffers\n");
goto cleanup;
}
}
/* Create the capture device driver instance */
hCapture = Capture_create(hCapBufTab, &cAttrs);
if (hCapture == NULL) {
ret = Dmai_EFAIL;
fprintf(stderr,"Failed to create capture device\n");
goto cleanup;
}
/* Create the display device driver instance */
dAttrs.videoStd = Capture_getVideoStd(hCapture);
dAttrs.videoOutput = args->videoOutput;
if (args->displayUalloc) {
/* Create a table of video buffers to use with the display device */
hDisBufTab = BufTab_create(dAttrs.numBufs, bufSize,
BufferGfx_getBufferAttrs(&gfxAttrs));
if (hDisBufTab == NULL) {
ret = Dmai_EFAIL;
fprintf(stderr,"Failed to allocate contiguous buffers\n");
goto cleanup;
}
}
hDisplay = Display_create(hDisBufTab, &dAttrs);
if (hDisplay == NULL) {
ret = Dmai_EFAIL;
fprintf(stderr,"Failed to create display device\n");
goto cleanup;
}
if (args->smooth) {
/* Create the smooth job */
hSmooth = Smooth_create(&smAttrs);
if (hSmooth == NULL) {
ret = Dmai_EFAIL;
fprintf(stderr,"Failed to create smooth job\n");
}
}
else {
/* Create the frame copy job */
fcAttrs.accel = args->accel;
hFc = Framecopy_create(&fcAttrs);
if (hFc == NULL) {
ret = Dmai_EFAIL;
fprintf(stderr,"Failed to create frame copy job\n");
goto cleanup;
}
}
/*
* If cropping is not used, alter the dimensions of the captured
* buffers and position the smaller image inside the full screen.
*/
if (args->width != -1 && args->height != -1 && !args->crop) {
for (bufIdx = 0;
bufIdx < BufTab_getNumBufs(Capture_getBufTab(hCapture));
bufIdx++) {
cBuf = BufTab_getBuf(Capture_getBufTab(hCapture), bufIdx);
BufferGfx_getDimensions(cBuf, &dim);
dim.width = args->width;
dim.height = args->height;
dim.x = args->xIn;
dim.y = args->yIn;
if (BufferGfx_setDimensions(cBuf, &dim) < 0) {
ret = Dmai_EFAIL;
fprintf(stderr,"Input resolution does not fit in capture frame\n");
goto cleanup;
}
}
}
/*
* Alter the dimensions of the display buffers and position
* the smaller image inside the full screen.
*/
if (args->width != -1 && args->height != -1) {
for (bufIdx = 0;
bufIdx < BufTab_getNumBufs(Display_getBufTab(hDisplay));
bufIdx++) {
dBuf = BufTab_getBuf(Display_getBufTab(hDisplay), bufIdx);
BufferGfx_getDimensions(dBuf, &dim);
dim.width = args->width;
dim.height = args->height;
dim.x = args->xOut;
dim.y = args->yOut;
if (BufferGfx_setDimensions(dBuf, &dim) < 0) {
ret = Dmai_EFAIL;
fprintf(stderr,"Output resolution does not fit in display frame\n");
goto cleanup;
}
}
}
if (args->smooth) {
if (Smooth_config(hSmooth,
BufTab_getBuf(Capture_getBufTab(hCapture), 0),
BufTab_getBuf(Display_getBufTab(hDisplay), 0)) < 0) {
ret = Dmai_EFAIL;
fprintf(stderr,"Failed to configure smooth job\n");
goto cleanup;
}
}
else {
/* Configure the frame copy job */
if (Framecopy_config(hFc, BufTab_getBuf(Capture_getBufTab(hCapture), 0),
BufTab_getBuf(Display_getBufTab(hDisplay), 0)) < 0) {
ret = Dmai_EFAIL;
fprintf(stderr,"Failed to configure frame copy job\n");
goto cleanup;
}
}
while (numFrame++ < args->numFrames || args->numFrames == 0) {
if (args->benchmark) {
if (Time_reset(hTime) < 0) {
ret = Dmai_EFAIL;
fprintf(stderr,"Failed to reset timer\n");
goto cleanup;
}
}
/* Get a captured frame from the capture device */
if (Capture_get(hCapture, &cBuf) < 0) {
ret = Dmai_EFAIL;
fprintf(stderr,"Failed to get capture buffer\n");
goto cleanup;
}
/* Get a frame from the display device to be filled with data */
if (Display_get(hDisplay, &dBuf) < 0) {
ret = Dmai_EFAIL;
fprintf(stderr,"Failed to get display buffer\n");
goto cleanup;
}
if (args->benchmark) {
if (Time_delta(hTime, &time) < 0) {
ret = Dmai_EFAIL;
fprintf(stderr,"Failed to get timer delta\n");
goto cleanup;
}
}
if (args->smooth) {
/*
* Remove interlacing artifacts from the captured buffer and
* store the result in the display buffer.
*/
if (Smooth_execute(hSmooth, cBuf, dBuf) < 0) {
ret = Dmai_EFAIL;
fprintf(stderr,"Failed to execute smooth job\n");
goto cleanup;
}
}
else {
/* Copy the captured buffer to the display buffer */
if (Framecopy_execute(hFc, cBuf, dBuf) < 0) {
ret = Dmai_EFAIL;
fprintf(stderr,"Failed to execute frame copy job\n");
goto cleanup;
}
}
if (args->benchmark) {
if (Time_delta(hTime, &time) < 0) {
ret = Dmai_EFAIL;
fprintf(stderr,"Failed to get timer delta\n");
goto cleanup;
}
printf("Smooth / Framecopy: %uus ", (Uns) time);
}
/* Give captured buffer back to the capture device driver */
if (Capture_put(hCapture, cBuf) < 0) {
ret = Dmai_EFAIL;
fprintf(stderr,"Failed to put capture buffer\n");
goto cleanup;
}
/* Send filled buffer to display device driver to be displayed */
if (Display_put(hDisplay, dBuf) < 0) {
ret = Dmai_EFAIL;
fprintf(stderr,"Failed to put display buffer\n");
goto cleanup;
}
if (args->benchmark) {
if (Time_total(hTime, &time) < 0) {
ret = Dmai_EFAIL;
fprintf(stderr,"Failed to get timer total\n");
goto cleanup;
}
printf("Frame time: %uus\n", (Uns) time);
}
}
cleanup:
/* Clean up the application */
if (hSmooth) {
Smooth_delete(hSmooth);
}
if (hFc) {
Framecopy_delete(hFc);
}
if (hCapture) {
Capture_delete(hCapture);
}
if (hDisplay) {
Display_delete(hDisplay);
}
if (hTime) {
Time_delete(hTime);
}
if (hCapBufTab) {
BufTab_delete(hCapBufTab);
}
if (hDisBufTab) {
BufTab_delete(hDisBufTab);
}
if (ret == Dmai_EFAIL)
return 1;
else
return 0;
}
/******************************************************************************
* captureThrFxn
******************************************************************************/
Void *captureThrFxn(Void *arg)
{
CaptureEnv *envp = (CaptureEnv *) arg;
Void *status = THREAD_SUCCESS;
Capture_Attrs cAttrs = Capture_Attrs_DM365_DEFAULT;
Display_Attrs dAttrs = Display_Attrs_DM365_VID_DEFAULT;
BufferGfx_Attrs gfxAttrs = BufferGfx_Attrs_DEFAULT;
Capture_Handle hCapture = NULL;
Display_Handle hDisplay = NULL;
BufTab_Handle hBufTab = NULL;
BufTab_Handle hDispBufTab = NULL;
BufTab_Handle hFifoBufTab = NULL;
Buffer_Handle hDstBuf, hCapBuf, hDisBuf, hBuf;
BufferGfx_Dimensions capDim;
VideoStd_Type videoStd;
Int32 width, height, bufSize;
Int fifoRet;
ColorSpace_Type colorSpace = ColorSpace_YUV420PSEMI;
Int bufIdx;
Int numCapBufs;
/* Create capture device driver instance */
cAttrs.numBufs = NUM_CAPTURE_BUFS;
cAttrs.videoInput = envp->videoInput;
cAttrs.videoStd = envp->videoStd;
cAttrs.colorSpace = colorSpace;
videoStd = envp->videoStd;
/* We only support D1, 720P and 1080P input */
if (videoStd != VideoStd_D1_NTSC && videoStd != VideoStd_D1_PAL
&& videoStd != VideoStd_720P_60 && videoStd != VideoStd_720P_50 &&
videoStd != VideoStd_1080I_30) {
ERR("Need D1/720P/1080P input to this demo\n");
cleanup(THREAD_FAILURE);
}
if (envp->imageWidth > 0 && envp->imageHeight > 0) {
if (VideoStd_getResolution(videoStd, &width, &height) < 0) {
ERR("Failed to calculate resolution of video standard\n");
cleanup(THREAD_FAILURE);
}
if (width < envp->imageWidth && height < envp->imageHeight) {
ERR("User resolution (%ldx%ld) larger than detected (%ldx%ld)\n",
envp->imageWidth, envp->imageHeight, width, height);
cleanup(THREAD_FAILURE);
}
/*
* Capture driver provides 32 byte aligned data. We 32 byte align the
* capture and video buffers to perform zero copy encoding.
*/
envp->imageWidth = Dmai_roundUp(envp->imageWidth,32);
capDim.x = 0;
capDim.y = 0;
capDim.height = envp->imageHeight;
capDim.width = envp->imageWidth;
capDim.lineLength = BufferGfx_calcLineLength(capDim.width, colorSpace);
}
else {
/* Calculate the dimensions of a video standard given a color space */
if (BufferGfx_calcDimensions(videoStd, colorSpace, &capDim) < 0) {
ERR("Failed to calculate Buffer dimensions\n");
cleanup(THREAD_FAILURE);
}
/*
* Capture driver provides 32 byte aligned data. We 32 byte align the
* capture and video buffers to perform zero copy encoding.
*/
capDim.width = Dmai_roundUp(capDim.width,32);
envp->imageWidth = capDim.width;
envp->imageHeight = capDim.height;
}
numCapBufs = NUM_CAPTURE_BUFS;
gfxAttrs.dim.height = capDim.height;
gfxAttrs.dim.width = capDim.width;
gfxAttrs.dim.lineLength =
Dmai_roundUp(BufferGfx_calcLineLength(gfxAttrs.dim.width,
colorSpace), 32);
gfxAttrs.dim.x = 0;
gfxAttrs.dim.y = 0;
if (colorSpace == ColorSpace_YUV420PSEMI) {
bufSize = gfxAttrs.dim.lineLength * gfxAttrs.dim.height * 3 / 2;
}
else {
bufSize = gfxAttrs.dim.lineLength * gfxAttrs.dim.height * 2;
}
/* Create a table of buffers to use with the capture driver */
gfxAttrs.colorSpace = colorSpace;
hBufTab = BufTab_create(numCapBufs, bufSize,
BufferGfx_getBufferAttrs(&gfxAttrs));
if (hBufTab == NULL) {
ERR("Failed to create buftab\n");
cleanup(THREAD_FAILURE);
}
/* Create a table of buffers to use to prime Fifo to video thread */
hFifoBufTab = BufTab_create(VIDEO_PIPE_SIZE, bufSize,
BufferGfx_getBufferAttrs(&gfxAttrs));
if (hFifoBufTab == NULL) {
ERR("Failed to create buftab\n");
cleanup(THREAD_FAILURE);
}
/* Update global data for user interface */
gblSetImageWidth(envp->imageWidth);
gblSetImageHeight(envp->imageHeight);
/* Report the video standard and image size back to the main thread */
Rendezvous_meet(envp->hRendezvousCapStd);
/* Capture at half frame rate if using COMPONENT input at 720P */
if ((envp->videoStd == VideoStd_720P_60)
&& (envp->videoInput == Capture_Input_COMPONENT)) {
cAttrs.videoStd = VideoStd_720P_30;
}
else {
cAttrs.videoStd = envp->videoStd;
}
/*If its component input and video std is 1080I_30 then make it 1080I_60.*/
if (cAttrs.videoStd == VideoStd_1080I_30 && cAttrs.videoInput
== Capture_Input_COMPONENT) {
cAttrs.videoStd = VideoStd_1080I_60;
}
cAttrs.numBufs = NUM_CAPTURE_BUFS;
cAttrs.colorSpace = colorSpace;
cAttrs.captureDimension = &gfxAttrs.dim;
/* Create the capture device driver instance */
hCapture = Capture_create(hBufTab, &cAttrs);
if (hCapture == NULL) {
ERR("Failed to create capture device. Is video input connected?\n");
cleanup(THREAD_FAILURE);
}
/* Create a table of buffers to use with the display driver */
hDispBufTab = BufTab_create(NUM_DISPLAY_BUFS, bufSize,
BufferGfx_getBufferAttrs(&gfxAttrs));
if (hDispBufTab == NULL) {
ERR("Failed to create buftab\n");
cleanup(THREAD_FAILURE);
}
/* Create display device driver instance if preview is needed */
if (!envp->previewDisabled) {
dAttrs.videoStd = envp->videoStd;
if ( (dAttrs.videoStd == VideoStd_CIF) ||
(dAttrs.videoStd == VideoStd_SIF_NTSC) ||
(dAttrs.videoStd == VideoStd_SIF_PAL) ||
(dAttrs.videoStd == VideoStd_VGA) ||
(dAttrs.videoStd == VideoStd_D1_NTSC) ||
(dAttrs.videoStd == VideoStd_D1_PAL) ) {
dAttrs.videoOutput = Display_Output_COMPOSITE;
} else {
dAttrs.videoOutput = Display_Output_COMPONENT;
}
dAttrs.numBufs = NUM_DISPLAY_BUFS;
dAttrs.colorSpace = colorSpace;
dAttrs.width = capDim.width;
dAttrs.height = capDim.height;
hDisplay = Display_create(hDispBufTab, &dAttrs);
if (hDisplay == NULL) {
ERR("Failed to create display device\n");
cleanup(THREAD_FAILURE);
}
}
for (bufIdx = 0; bufIdx < VIDEO_PIPE_SIZE; bufIdx++) {
/* Queue the video buffers for main thread processing */
hBuf = BufTab_getFreeBuf(hFifoBufTab);
if (hBuf == NULL) {
ERR("Failed to fill video pipeline\n");
cleanup(THREAD_FAILURE);
}
/* Fill with black the buffer */
CapBuf_blackFill(hBuf);
/* Send buffer to video thread for encoding */
if (Fifo_put(envp->hOutFifo, hBuf) < 0) {
ERR("Failed to send buffer to display thread\n");
cleanup(THREAD_FAILURE);
}
}
/* Signal that initialization is done and wait for other threads */
Rendezvous_meet(envp->hRendezvousInit);
while (!gblGetQuit()) {
/* Pause processing? */
Pause_test(envp->hPauseProcess);
/* Capture a frame */
if (Capture_get(hCapture, &hCapBuf) < 0) {
ERR("Failed to get capture buffer\n");
cleanup(THREAD_FAILURE);
}
/* Get a buffer from the display device */
if ((!envp->previewDisabled) && (Display_get(hDisplay, &hDisBuf) < 0)) {
ERR("Failed to get display buffer\n");
cleanup(THREAD_FAILURE);
}
/* Send buffer to video thread for encoding */
if (Fifo_put(envp->hOutFifo, hCapBuf) < 0) {
ERR("Failed to send buffer to display thread\n");
cleanup(THREAD_FAILURE);
}
/* Get a buffer from the video thread */
fifoRet = Fifo_get(envp->hInFifo, &hDstBuf);
if (fifoRet < 0) {
ERR("Failed to get buffer from video thread\n");
cleanup(THREAD_FAILURE);
}
/* Did the video thread flush the fifo? */
if (fifoRet == Dmai_EFLUSH) {
cleanup(THREAD_SUCCESS);
}
if (!envp->previewDisabled) {
/* Release buffer to the display device driver */
if (Display_put(hDisplay, hDstBuf) < 0) {
ERR("Failed to put display buffer\n");
cleanup(THREAD_FAILURE);
}
}
if (envp->previewDisabled) {
/* Return the processed buffer to the capture driver */
if (Capture_put(hCapture, hDstBuf) < 0) {
ERR("Failed to put capture buffer\n");
cleanup(THREAD_FAILURE);
}
}
else {
/* Return the displayed buffer to the capture driver */
if (Capture_put(hCapture, hDisBuf) < 0) {
ERR("Failed to put capture buffer\n");
cleanup(THREAD_FAILURE);
}
}
/* Increment statistics for the user interface */
gblIncFrames();
}
cleanup:
/* Make sure the other threads aren't waiting for us */
Rendezvous_force(envp->hRendezvousCapStd);
Rendezvous_force(envp->hRendezvousInit);
Pause_off(envp->hPauseProcess);
Fifo_flush(envp->hOutFifo);
/* Meet up with other threads before cleaning up */
Rendezvous_meet(envp->hRendezvousCleanup);
if (hDisplay) {
Display_delete(hDisplay);
}
if (hCapture) {
Capture_delete(hCapture);
}
/* Clean up the thread before exiting */
if (hBufTab) {
BufTab_delete(hBufTab);
}
if (hFifoBufTab) {
BufTab_delete(hFifoBufTab);
}
if (hDispBufTab) {
BufTab_delete(hDispBufTab);
}
return status;
}
succeed_type CAPTURE_PUT(Capture_Handle phandle,CaptureBuffer *buffer)
{
return Capture_get(phandle,buffer);
}
