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-rwxr-xr-x[-rw-r--r--]camera/V4LCameraAdapter/V4LCameraAdapter.cpp137
-rwxr-xr-x[-rw-r--r--]camera/V4LCameraAdapter/V4LCapabilities.cpp4
-rwxr-xr-x[-rw-r--r--]camera/inc/V4LCameraAdapter/V4LCameraAdapter.h12
3 files changed, 106 insertions, 47 deletions
diff --git a/camera/V4LCameraAdapter/V4LCameraAdapter.cpp b/camera/V4LCameraAdapter/V4LCameraAdapter.cpp
index c703ecb..d87a72a 100644..100755
--- a/camera/V4LCameraAdapter/V4LCameraAdapter.cpp
+++ b/camera/V4LCameraAdapter/V4LCameraAdapter.cpp
@@ -86,6 +86,10 @@ status_t V4LCameraAdapter::v4lIoctl (int fd, int req, void* argp) {
status_t V4LCameraAdapter::v4lInitMmap(int& count) {
status_t ret = NO_ERROR;
+ int width, height;
+ mParams.getPreviewSize(&width, &height);
+ jpeg_with_dht_buffer_size = (width * height / 2) + jpgdecoder.readDHTSize();
+
//First allocate adapter internal buffers at V4L level for USB Cam
//These are the buffers from which we will copy the data into overlay buffers
/* Check if camera can handle NB_BUFFER buffers */
@@ -126,6 +130,12 @@ status_t V4LCameraAdapter::v4lInitMmap(int& count) {
CAMHAL_LOGEB("Unable to map buffer [%d]. (%s)", i, strerror(errno));
return -1;
}
+
+ if (jpeg_with_dht_buffer[i] != NULL){
+ free(jpeg_with_dht_buffer[i]);
+ jpeg_with_dht_buffer[i] = NULL;
+ }
+ jpeg_with_dht_buffer[i] = (unsigned char *)malloc(jpeg_with_dht_buffer_size);
}
return ret;
}
@@ -214,7 +224,7 @@ status_t V4LCameraAdapter::v4lSetFormat (int width, int height, uint32_t pix_for
mVideoInfo->width = width;
mVideoInfo->height = height;
mVideoInfo->framesizeIn = (width * height << 1);
- mVideoInfo->formatIn = DEFAULT_PIXEL_FORMAT;
+ mVideoInfo->formatIn = pix_format;
mVideoInfo->format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
mVideoInfo->format.fmt.pix.width = width;
@@ -267,11 +277,12 @@ status_t V4LCameraAdapter::restartPreview ()
for (int i = 0; i < mPreviewBufferCountQueueable; i++) {
- mVideoInfo->buf.index = i;
- mVideoInfo->buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- mVideoInfo->buf.memory = V4L2_MEMORY_MMAP;
+ v4l2_buffer buf;
+ buf.index = i;
+ buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ buf.memory = V4L2_MEMORY_MMAP;
- ret = v4lIoctl(mCameraHandle, VIDIOC_QBUF, &mVideoInfo->buf);
+ ret = v4lIoctl(mCameraHandle, VIDIOC_QBUF, &buf);
if (ret < 0) {
CAMHAL_LOGEA("VIDIOC_QBUF Failed");
goto EXIT;
@@ -356,17 +367,27 @@ status_t V4LCameraAdapter::fillThisBuffer(CameraBuffer *frameBuf, CameraFrame::F
goto EXIT;
}
- idx = mPreviewBufs.valueFor(frameBuf);
+ for (int xx = 0; xx < NB_BUFFER; xx++){
+ if (mPreviewBufs[xx] == frameBuf){
+ idx = xx;
+ break;
+ }
+ }
+ if (idx == NB_BUFFER){
+ CAMHAL_LOGEB("Wrong index = %d. What do i do? What do i do?",idx);
+ goto EXIT;
+ }
if(idx < 0) {
CAMHAL_LOGEB("Wrong index = %d",idx);
goto EXIT;
}
- mVideoInfo->buf.index = idx;
- mVideoInfo->buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- mVideoInfo->buf.memory = V4L2_MEMORY_MMAP;
+ v4l2_buffer buf;
+ buf.index = idx;
+ buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ buf.memory = V4L2_MEMORY_MMAP;
- ret = v4lIoctl(mCameraHandle, VIDIOC_QBUF, &mVideoInfo->buf);
+ ret = v4lIoctl(mCameraHandle, VIDIOC_QBUF, &buf);
if (ret < 0) {
CAMHAL_LOGEA("VIDIOC_QBUF Failed");
goto EXIT;
@@ -507,8 +528,8 @@ status_t V4LCameraAdapter::UseBuffersPreview(CameraBuffer *bufArr, int num)
if (ret == NO_ERROR) {
for (int i = 0; i < num; i++) {
//Associate each Camera internal buffer with the one from Overlay
- mPreviewBufs.add(&bufArr[i], i);
- CAMHAL_LOGDB("Preview- buff [%d] = 0x%x ",i, mPreviewBufs.keyAt(i));
+ mPreviewBufs[i] = &bufArr[i];
+ CAMHAL_LOGDB("Preview- buff [%d] = 0x%x ",i, mPreviewBufs[i]);
}
// Update the preview buffer count
@@ -554,7 +575,7 @@ status_t V4LCameraAdapter::takePicture() {
CAMHAL_LOGDB("Image Capture Size WxH = %dx%d",width,height);
yuv422i_buff_size = width * height * 2;
- ret = v4lSetFormat (width, height, DEFAULT_PIXEL_FORMAT);
+ ret = v4lSetFormat (width, height, DEFAULT_CAPTURE_FORMAT);
if (ret < 0) {
CAMHAL_LOGEB("v4lSetFormat Failed: %s", strerror(errno));
goto EXIT;
@@ -568,11 +589,12 @@ status_t V4LCameraAdapter::takePicture() {
for (int i = 0; i < mCaptureBufferCountQueueable; i++) {
- mVideoInfo->buf.index = i;
- mVideoInfo->buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- mVideoInfo->buf.memory = V4L2_MEMORY_MMAP;
+ v4l2_buffer buf;
+ buf.index = i;
+ buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ buf.memory = V4L2_MEMORY_MMAP;
- ret = v4lIoctl(mCameraHandle, VIDIOC_QBUF, &mVideoInfo->buf);
+ ret = v4lIoctl(mCameraHandle, VIDIOC_QBUF, &buf);
if (ret < 0) {
CAMHAL_LOGEA("VIDIOC_QBUF Failed");
ret = BAD_VALUE;
@@ -590,7 +612,8 @@ status_t V4LCameraAdapter::takePicture() {
CAMHAL_LOGDA("Streaming started for Image Capture");
//get the frame and send to encode as JPG
- fp = this->GetFrame(index);
+ int filledLen;
+ fp = this->GetFrame(index, filledLen);
if(!fp) {
CAMHAL_LOGEA("!!! Captured frame is NULL !!!!");
ret = BAD_VALUE;
@@ -695,11 +718,12 @@ status_t V4LCameraAdapter::startPreview()
for (int i = 0; i < mPreviewBufferCountQueueable; i++) {
- mVideoInfo->buf.index = i;
- mVideoInfo->buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- mVideoInfo->buf.memory = V4L2_MEMORY_MMAP;
+ v4l2_buffer buf;
+ buf.index = i;
+ buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ buf.memory = V4L2_MEMORY_MMAP;
- ret = v4lIoctl(mCameraHandle, VIDIOC_QBUF, &mVideoInfo->buf);
+ ret = v4lIoctl(mCameraHandle, VIDIOC_QBUF, &buf);
if (ret < 0) {
CAMHAL_LOGEA("VIDIOC_QBUF Failed");
goto EXIT;
@@ -746,8 +770,6 @@ status_t V4LCameraAdapter::stopPreview()
nDequeued = 0;
mFramesWithEncoder = 0;
- mPreviewBufs.clear();
-
mPreviewThread->requestExitAndWait();
mPreviewThread.clear();
@@ -755,13 +777,14 @@ status_t V4LCameraAdapter::stopPreview()
return ret;
}
-char * V4LCameraAdapter::GetFrame(int &index)
+char * V4LCameraAdapter::GetFrame(int &index, int &filledLen)
{
int ret = NO_ERROR;
LOG_FUNCTION_NAME;
- mVideoInfo->buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- mVideoInfo->buf.memory = V4L2_MEMORY_MMAP;
+ v4l2_buffer buf;
+ buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ buf.memory = V4L2_MEMORY_MMAP;
/* DQ */
// Some V4L drivers, notably uvc, protect each incoming call with
@@ -772,7 +795,7 @@ char * V4LCameraAdapter::GetFrame(int &index)
return NULL;
}
- ret = v4lIoctl(mCameraHandle, VIDIOC_DQBUF, &mVideoInfo->buf);
+ ret = v4lIoctl(mCameraHandle, VIDIOC_DQBUF, &buf);
if((ret == 0) || (errno != EAGAIN)) {
break;
}
@@ -784,10 +807,11 @@ char * V4LCameraAdapter::GetFrame(int &index)
}
nDequeued++;
- index = mVideoInfo->buf.index;
+ index = buf.index;
+ filledLen = buf.bytesused;
LOG_FUNCTION_NAME_EXIT;
- return (char *)mVideoInfo->mem[mVideoInfo->buf.index];
+ return (char *)mVideoInfo->mem[buf.index];
}
//API to get the frame size required to be allocated. This size is used to override the size passed
@@ -896,6 +920,8 @@ V4LCameraAdapter::V4LCameraAdapter(size_t sensor_index)
// Nothing useful to do in the constructor
mFramesWithEncoder = 0;
+ jpeg_with_dht_buffer_size = 0;
+ for (int i = 0; i < NB_BUFFER; i++) jpeg_with_dht_buffer[i] = NULL;
LOG_FUNCTION_NAME_EXIT;
}
@@ -913,6 +939,13 @@ V4LCameraAdapter::~V4LCameraAdapter()
mVideoInfo = NULL;
}
+ for (int i = 0; i < NB_BUFFER; i++) {
+ if (jpeg_with_dht_buffer[i] != NULL){
+ free(jpeg_with_dht_buffer[i]);
+ jpeg_with_dht_buffer[i] = NULL;
+ }
+ }
+
LOG_FUNCTION_NAME_EXIT;
}
@@ -1122,19 +1155,22 @@ int V4LCameraAdapter::previewThread()
CameraFrame frame;
void *y_uv[2];
int index = 0;
+ int filledLen = 0;
int stride = 4096;
char *fp = NULL;
mParams.getPreviewSize(&width, &height);
+ android::Mutex::Autolock lock(mSubscriberLock);
if (mPreviewing) {
- fp = this->GetFrame(index);
+ fp = this->GetFrame(index, filledLen);
if(!fp) {
ret = BAD_VALUE;
goto EXIT;
}
- CameraBuffer *buffer = mPreviewBufs.keyAt(index);
+
+ CameraBuffer *buffer = mPreviewBufs[index];
CameraFrame *lframe = (CameraFrame *)mFrameQueue.valueFor(buffer);
if (!lframe) {
ret = BAD_VALUE;
@@ -1147,19 +1183,36 @@ int V4LCameraAdapter::previewThread()
ret = BAD_VALUE;
goto EXIT;
}
- y_uv[0] = (void*) lframe->mYuv[0];
- //y_uv[1] = (void*) lframe->mYuv[1];
- //y_uv[1] = (void*) (lframe->mYuv[0] + height*stride);
- convertYUV422ToNV12Tiler ( (unsigned char*)fp, (unsigned char*)y_uv[0], width, height);
- CAMHAL_LOGVB("##...index= %d.;camera buffer= 0x%x; y= 0x%x; UV= 0x%x.",index, buffer, y_uv[0], y_uv[1] );
+
+ if ( DEFAULT_PIXEL_FORMAT == V4L2_PIX_FMT_MJPEG ) {
+ /*
+ MJPEG frames do not include the Huffman tables. MJPEG compressors use standard tables,
+ and they are not included in the stream to decrease the bandwidth. Therefore, the
+ Huffman table must be concatenated onto the start of a motion JPEG image to form a
+ valid still JPEG image.
+ */
+ int final_jpg_sz = jpgdecoder.appendDHT((unsigned char*)fp, filledLen,
+ jpeg_with_dht_buffer[index], jpeg_with_dht_buffer_size);
+ if (!jpgdecoder.decode(jpeg_with_dht_buffer[index], final_jpg_sz, (unsigned char*)lframe->mYuv[0], 4096)) {
+ CAMHAL_LOGEA("Error while decoding JPEG");
+ }
+ }
+ else if ( DEFAULT_PIXEL_FORMAT == V4L2_PIX_FMT_YUYV )
+ {
+ y_uv[0] = (void*) lframe->mYuv[0];
+ //y_uv[1] = (void*) lframe->mYuv[1];
+ //y_uv[1] = (void*) (lframe->mYuv[0] + height*stride);
+ convertYUV422ToNV12Tiler ( (unsigned char*)fp, (unsigned char*)y_uv[0], width, height);
+ CAMHAL_LOGVB("##...index= %d.;camera buffer= 0x%x; y= 0x%x; UV= 0x%x.",index, buffer, y_uv[0], y_uv[1] );
#ifdef SAVE_RAW_FRAMES
- unsigned char* nv12_buff = (unsigned char*) malloc(width*height*3/2);
- //Convert yuv422i to yuv420sp(NV12) & dump the frame to a file
- convertYUV422ToNV12 ( (unsigned char*)fp, nv12_buff, width, height);
- saveFile( nv12_buff, ((width*height)*3/2) );
- free (nv12_buff);
+ unsigned char* nv12_buff = (unsigned char*) malloc(width*height*3/2);
+ //Convert yuv422i to yuv420sp(NV12) & dump the frame to a file
+ convertYUV422ToNV12 ( (unsigned char*)fp, nv12_buff, width, height);
+ saveFile( nv12_buff, ((width*height)*3/2) );
+ free (nv12_buff);
#endif
+ }
frame.mFrameType = CameraFrame::PREVIEW_FRAME_SYNC;
frame.mBuffer = buffer;
diff --git a/camera/V4LCameraAdapter/V4LCapabilities.cpp b/camera/V4LCameraAdapter/V4LCapabilities.cpp
index 575f943..4912e5a 100644..100755
--- a/camera/V4LCameraAdapter/V4LCapabilities.cpp
+++ b/camera/V4LCameraAdapter/V4LCapabilities.cpp
@@ -262,7 +262,7 @@ status_t V4LCameraAdapter::getCaps(const int sensorId, CameraProperties::Propert
frmSizeEnum.index = i;
//Check for frame sizes for default pixel format
//TODO: Check for frame sizes for all supported pixel formats
- frmSizeEnum.pixel_format = V4L2_PIX_FMT_YUYV;
+ frmSizeEnum.pixel_format = DEFAULT_PIXEL_FORMAT;
status = ioctl (handle, VIDIOC_ENUM_FRAMESIZES, &frmSizeEnum);
if (status == NO_ERROR) {
int width;
@@ -308,7 +308,7 @@ status_t V4LCameraAdapter::getCaps(const int sensorId, CameraProperties::Propert
for ( i = 0; status == NO_ERROR; i++) {
frmIvalEnum.index = i;
//Check for supported frame rates for the default pixel format.
- frmIvalEnum.pixel_format = V4L2_PIX_FMT_YUYV;
+ frmIvalEnum.pixel_format = DEFAULT_PIXEL_FORMAT;
frmIvalEnum.width = caps.tPreviewRes[j].width;
frmIvalEnum.height = caps.tPreviewRes[j].height;
diff --git a/camera/inc/V4LCameraAdapter/V4LCameraAdapter.h b/camera/inc/V4LCameraAdapter/V4LCameraAdapter.h
index bc99a6c..e9c910c 100644..100755
--- a/camera/inc/V4LCameraAdapter/V4LCameraAdapter.h
+++ b/camera/inc/V4LCameraAdapter/V4LCameraAdapter.h
@@ -24,11 +24,14 @@
#include "CameraHal.h"
#include "BaseCameraAdapter.h"
#include "DebugUtils.h"
+#include "Decoder_libjpeg.h"
namespace Ti {
namespace Camera {
-#define DEFAULT_PIXEL_FORMAT V4L2_PIX_FMT_YUYV
+//#define DEFAULT_PIXEL_FORMAT V4L2_PIX_FMT_YUYV
+#define DEFAULT_PIXEL_FORMAT V4L2_PIX_FMT_MJPEG
+#define DEFAULT_CAPTURE_FORMAT V4L2_PIX_FMT_YUYV
#define NB_BUFFER 10
#define DEVICE "/dev/videoxx"
@@ -153,7 +156,7 @@ private:
//Used for calculation of the average frame rate during preview
status_t recalculateFPS();
- char * GetFrame(int &index);
+ char * GetFrame(int &index, int &filledLen);
int previewThread();
@@ -199,7 +202,7 @@ private:
int mPreviewBufferCountQueueable;
int mCaptureBufferCount;
int mCaptureBufferCountQueueable;
- android::KeyedVector<CameraBuffer *, int> mPreviewBufs;
+ CameraBuffer *mPreviewBufs[NB_BUFFER];
android::KeyedVector<CameraBuffer *, int> mCaptureBufs;
mutable android::Mutex mPreviewBufsLock;
mutable android::Mutex mCaptureBufsLock;
@@ -230,6 +233,9 @@ private:
int nQueued;
int nDequeued;
+ Decoder_libjpeg jpgdecoder;
+ unsigned char *jpeg_with_dht_buffer[NB_BUFFER];
+ unsigned int jpeg_with_dht_buffer_size;
};
} // namespace Camera
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-24 19:50:53 +0000