diff options
-rw-r--r-- | src/qcam/format_converter.cpp | 16 | ||||
-rw-r--r-- | src/qcam/format_converter.h | 9 | ||||
-rw-r--r-- | src/qcam/main_window.cpp | 2 | ||||
-rw-r--r-- | src/qcam/viewfinder.cpp | 4 | ||||
-rw-r--r-- | src/qcam/viewfinder.h | 2 |
5 files changed, 27 insertions, 6 deletions
diff --git a/src/qcam/format_converter.cpp b/src/qcam/format_converter.cpp index 6979a054..bda9057e 100644 --- a/src/qcam/format_converter.cpp +++ b/src/qcam/format_converter.cpp @@ -9,6 +9,8 @@ #include <linux/videodev2.h> +#include <QImage> + #include "format_converter.h" #define RGBSHIFT 8 @@ -45,16 +47,28 @@ int FormatConverter::configure(unsigned int format, unsigned int width, y_pos_ = 0; cb_pos_ = 1; break; + case V4L2_PIX_FMT_MJPEG: + break; default: return -EINVAL; }; + format_ = format; width_ = width; height_ = height; return 0; } +void FormatConverter::convert(const unsigned char *src, size_t size, + QImage *dst) +{ + if (format_ == V4L2_PIX_FMT_MJPEG) + dst->loadFromData(src, size, "JPEG"); + else + convertYUV(src, dst->bits()); +} + static void yuv_to_rgb(int y, int u, int v, int *r, int *g, int *b) { int c = y - 16; @@ -65,7 +79,7 @@ static void yuv_to_rgb(int y, int u, int v, int *r, int *g, int *b) *b = CLIP(( 298 * c + 516 * d + 128) >> RGBSHIFT); } -void FormatConverter::convert(const unsigned char *src, unsigned char *dst) +void FormatConverter::convertYUV(const unsigned char *src, unsigned char *dst) { unsigned int src_x, src_y, dst_x, dst_y; unsigned int src_stride; diff --git a/src/qcam/format_converter.h b/src/qcam/format_converter.h index 196064c7..396d0bea 100644 --- a/src/qcam/format_converter.h +++ b/src/qcam/format_converter.h @@ -7,15 +7,22 @@ #ifndef __QCAM_FORMAT_CONVERTER_H__ #define __QCAM_FORMAT_CONVERTER_H__ +#include <stddef.h> + +class QImage; + class FormatConverter { public: int configure(unsigned int format, unsigned int width, unsigned int height); - void convert(const unsigned char *src, unsigned char *dst); + void convert(const unsigned char *src, size_t size, QImage *dst); private: + void convertYUV(const unsigned char *src, unsigned char *dst); + + unsigned int format_; unsigned int width_; unsigned int height_; unsigned int y_pos_; diff --git a/src/qcam/main_window.cpp b/src/qcam/main_window.cpp index a148aa4d..fea70142 100644 --- a/src/qcam/main_window.cpp +++ b/src/qcam/main_window.cpp @@ -222,7 +222,7 @@ int MainWindow::display(Buffer *buffer) Plane &plane = buffer->planes().front(); unsigned char *raw = static_cast<unsigned char *>(plane.mem()); - viewfinder_->display(raw); + viewfinder_->display(raw, buffer->bytesused()); return 0; } diff --git a/src/qcam/viewfinder.cpp b/src/qcam/viewfinder.cpp index 5841dc03..224a227d 100644 --- a/src/qcam/viewfinder.cpp +++ b/src/qcam/viewfinder.cpp @@ -16,9 +16,9 @@ ViewFinder::ViewFinder(QWidget *parent) { } -void ViewFinder::display(const unsigned char *raw) +void ViewFinder::display(const unsigned char *raw, size_t size) { - converter_.convert(raw, image_->bits()); + converter_.convert(raw, size, image_); QPixmap pixmap = QPixmap::fromImage(*image_); setPixmap(pixmap); diff --git a/src/qcam/viewfinder.h b/src/qcam/viewfinder.h index df490169..c9ca9891 100644 --- a/src/qcam/viewfinder.h +++ b/src/qcam/viewfinder.h @@ -20,7 +20,7 @@ public: int setFormat(unsigned int format, unsigned int width, unsigned int height); - void display(const unsigned char *rgb); + void display(const unsigned char *rgb, size_t size); private: unsigned int format_; |