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amlogic: integrate grabbing via ge2d (#469)

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* - grabber auto off when not set as active prio
- join aml and fb - on aml platform both grabbers are needed, so they joind in one module and share one prio. user don't the the nasty magic behind
- aml: preparation for direct ge2d access

* just save it, in the middle of ge2d impl

* fix compile issues

* now grabbing works basicly

* add 3d support for ge2d

* next step, we got some video from aml

* switch back to rgba

* cleanup

* code cleanup, remove unused stuff
This commit is contained in:
redPanther
2017-09-03 13:48:16 +02:00
committed by GitHub
parent aa9248e815
commit cb7b5fa588
8 changed files with 780 additions and 54 deletions
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170
libsrc/grabber/amlogic/AmlogicGrabber.cpp
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@@ -19,15 +19,19 @@
#define VIDEO_DEVICE "/dev/amvideo"
#define CAPTURE_DEVICE "/dev/amvideocap0"
#include <iostream>
#define GE2D_DEVICE "/dev/ge2d"
AmlogicGrabber::AmlogicGrabber(const unsigned width, const unsigned height)
: Grabber("AMLOGICGRABBER", qMax(160u, width), qMax(160u, height)) // Minimum required width or height is 160
, _captureDev(-1)
, _videoDev(-1)
, _ge2dDev(-1)
, _lastError(0)
, _fbGrabber("/dev/fb0",width,height)
, _grabbingModeNotification(0)
, _ge2dAvailable(true)
, _ge2dVideoBufferPtr(nullptr)
, _ge2dIonBuffer(nullptr)
{
Debug(_log, "constructed(%d x %d)",_width,_height);
}
@@ -36,13 +40,14 @@ AmlogicGrabber::~AmlogicGrabber()
{
closeDev(_captureDev);
closeDev(_videoDev);
closeDev(_ge2dDev);
}
bool AmlogicGrabber::openDev(int &fd, const char* dev, int flags)
bool AmlogicGrabber::openDev(int &fd, const char* dev)
{
if (fd<0)
{
fd = open(dev, flags);
fd = open(dev, O_RDWR);
}
return fd >= 0;
}
@@ -61,7 +66,7 @@ bool AmlogicGrabber::isVideoPlaying()
if(!QFile::exists(VIDEO_DEVICE)) return false;
int videoDisabled = 1;
if (!openDev(_videoDev, VIDEO_DEVICE, O_RDWR))
if (!openDev(_videoDev, VIDEO_DEVICE))
{
Error(_log, "Failed to open video device(%s): %d - %s", VIDEO_DEVICE, errno, strerror(errno));
return false;
@@ -95,7 +100,25 @@ int AmlogicGrabber::grabFrame(Image<ColorRgb> & image)
_lastError = 0;
}
if (QFile::exists(CAPTURE_DEVICE))
if (_ge2dAvailable)
{
try
{
_ge2dAvailable = (QFile::exists(GE2D_DEVICE) && grabFrame_ge2d(image) == 0);
}
catch (...)
{
_ge2dAvailable = false;
}
if (!_ge2dAvailable)
{
closeDev(_videoDev);
closeDev(_ge2dDev);
Warning(_log, "GE2D capture interface not available! try Amvideocap instead");
}
}
else if (QFile::exists(CAPTURE_DEVICE))
{
grabFrame_amvideocap(image);
}
@@ -120,7 +143,7 @@ int AmlogicGrabber::grabFrame(Image<ColorRgb> & image)
int AmlogicGrabber::grabFrame_amvideocap(Image<ColorRgb> & image)
{
// If the device is not open, attempt to open it
if (! openDev(_captureDev, CAPTURE_DEVICE, O_RDWR))
if (! openDev(_captureDev, CAPTURE_DEVICE))
{
ErrorIf( _lastError != 1, _log,"Failed to open the AMLOGIC device (%d - %s):", errno, strerror(errno));
_lastError = 1;
@@ -161,11 +184,142 @@ int AmlogicGrabber::grabFrame_amvideocap(Image<ColorRgb> & image)
}
closeDev(_captureDev);
_useImageResampler = true;
_imageResampler.processImage((const uint8_t*)image_ptr, _width, _height, _width*3, PIXELFORMAT_BGR24, image);
_lastError = 0;
return 0;
}
int AmlogicGrabber::grabFrame_ge2d(Image<ColorRgb> & image)
{
if ( ! openDev(_ge2dDev, GE2D_DEVICE) || ! openDev(_videoDev, VIDEO_DEVICE))
{
Error(_log, "cannot open devices");
return -1;
}
// Ion
if (_ge2dIonBuffer == nullptr)
{
_ge2dIonBuffer = new IonBuffer(_width * _height * 3); // BGR
_ge2dVideoBufferPtr = _ge2dIonBuffer->Map();
memset(_ge2dVideoBufferPtr, 0, _ge2dIonBuffer->BufferSize());
}
int canvas_index;
if (ioctl(_videoDev, AMVIDEO_EXT_GET_CURRENT_VIDEOFRAME, &canvas_index) < 0)
{
Error(_log, "AMSTREAM_EXT_GET_CURRENT_VIDEOFRAME failed.");
return -1;
}
uint32_t canvas0addr;
if (ioctl(_videoDev, AMVIDEO_EXT_CURRENT_VIDEOFRAME_GET_CANVAS0ADDR, &canvas0addr) < 0)
{
Error(_log, "AMSTREAM_EXT_CURRENT_VIDEOFRAME_GET_CANVAS0ADDR failed.");
return -1;
}
uint32_t ge2dformat;
if (ioctl(_videoDev, AMVIDEO_EXT_CURRENT_VIDEOFRAME_GET_GE2D_FORMAT, &ge2dformat) <0)
{
Error(_log, "AMSTREAM_EXT_CURRENT_VIDEOFRAME_GET_GE2D_FORMAT failed.");
return -1;
}
uint64_t size;
if (ioctl(_videoDev, AMVIDEO_EXT_CURRENT_VIDEOFRAME_GET_SIZE, &size) < 0)
{
Error(_log, "AMSTREAM_EXT_CURRENT_VIDEOFRAME_GET_SIZE failed.");
return -1;
}
unsigned cropLeft = _cropLeft;
unsigned cropRight = _cropRight;
unsigned cropTop = _cropTop;
unsigned cropBottom = _cropBottom;
int videoWidth = (size >> 32) - cropLeft - cropRight;
int videoHeight = (size & 0xffffff) - cropTop - cropBottom;
// calculate final image dimensions and adjust top/left cropping in 3D modes
switch (_videoMode)
{
case VIDEO_3DSBS:
videoWidth /= 2;
cropLeft /= 2;
break;
case VIDEO_3DTAB:
videoHeight /= 2;
cropTop /= 2;
break;
case VIDEO_2D:
default:
break;
}
struct config_para_ex_s configex = { 0 };
configex.src_para.mem_type = CANVAS_TYPE_INVALID;
configex.src_para.canvas_index = canvas0addr;
configex.src_para.left = cropLeft;
configex.src_para.top = cropTop;
configex.src_para.width = videoWidth;
configex.src_para.height = videoHeight / 2;
configex.src_para.format = ge2dformat;
configex.dst_para.mem_type = CANVAS_ALLOC;
configex.dst_para.format = GE2D_FORMAT_S24_RGB;
configex.dst_para.left = 0;
configex.dst_para.top = 0;
configex.dst_para.width = _width;
configex.dst_para.height = _height;
configex.dst_planes[0].addr = (long unsigned int)_ge2dIonBuffer->PhysicalAddress();
configex.dst_planes[0].w = configex.dst_para.width;
configex.dst_planes[0].h = configex.dst_para.height;
if (ioctl(_ge2dDev, GE2D_CONFIG_EX, &configex) < 0)
{
Error(_log, "video GE2D_CONFIG_EX failed.");
return -1;
}
ge2d_para_s blitRect = { 0 };
blitRect.src1_rect.x = 0;
blitRect.src1_rect.y = 0;
blitRect.src1_rect.w = configex.src_para.width;
blitRect.src1_rect.h = configex.src_para.height;
blitRect.dst_rect.x = 0;
blitRect.dst_rect.y = 0;
blitRect.dst_rect.w = configex.dst_para.width ;
blitRect.dst_rect.h = configex.dst_para.height;
// Blit to videoBuffer
if (ioctl(_ge2dDev, GE2D_STRETCHBLIT_NOALPHA, &blitRect) < 0)
{
Error(_log,"GE2D_STRETCHBLIT_NOALPHA failed.");
return -1;
}
// Return video frame
if (ioctl(_videoDev, AMVIDEO_EXT_PUT_CURRENT_VIDEOFRAME) < 0)
{
Error(_log, "AMSTREAM_EXT_PUT_CURRENT_VIDEOFRAME failed.");
return -1;
}
_ge2dIonBuffer->Sync();
// Read the snapshot into the memory
_useImageResampler = false;
_imageResampler.processImage((const uint8_t*)_ge2dVideoBufferPtr, _width, _height, _width*3, PIXELFORMAT_BGR24, image);
closeDev(_videoDev);
closeDev(_ge2dDev);
return 0;
}