incremental

1 files changed, 80 insertions, 20 deletions

diff --git a/src/getvideo_main.cpp b/src/getvideo_main.cpp
index f73ee30e78..2259b8c8bc 100644
--- a/src/getvideo_main.cpp
+++ b/src/getvideo_main.cpp
@@ -1,7 +1,14 @@
 #include <video.h>
-#include <fstream>
-#include <iostream>
+
 #include <iomanip>
+#include <iostream>
+#include <chrono>
+#include <thread>
+#include <vector>
+#include <fstream>
+#include <fcntl.h>
+#include <unistd.h>
+
 
 namespace AstVideo {
 class VideoPuller {
@@ -10,40 +17,91 @@ class VideoPuller {
 
   void initialize() {
     std::cout << "Opening /dev/video\n";
-    file.open("/dev/video", std::ios::out | std::ios::in | std::ios::binary);
-    if (!file.is_open()) {
+    video_fd = open("/dev/video", O_RDWR);
+    if (!video_fd) {
       std::cout << "Failed to open /dev/video\n";
+    } else {
+      std::cout << "Opened successfully\n";
     }
-    IMAGE_INFO image_info{};
 
-    file.write(reinterpret_cast<char*>(&image_info), sizeof(image_info));
+    std::vector<unsigned char> buffer(1024 * 1024, 0);
 
-    file.read(reinterpret_cast<char*>(&image_info), sizeof(image_info));
+    IMAGE_INFO image_info{};
+    image_info.do_image_refresh = 1;  // full frame refresh
+    image_info.qc_valid = 0;          // quick cursor disabled
+    image_info.parameter.features.w = 800;
+    image_info.parameter.features.h = 600;
+    image_info.parameter.features.chrom_tbl = 0;  // level
+    image_info.parameter.features.lumin_tbl = 0;
+    image_info.parameter.features.jpg_fmt = 1;
+    image_info.parameter.features.buf = buffer.data();
+    image_info.crypttype = -1;
+    std::cout << "Writing\n";
     
-    if (file){
-        std::cout << "Read succeeded\n";
+    int status;
+    /*
+    status = write(video_fd, reinterpret_cast<char*>(&image_info),
+                        sizeof(image_info));
+    if (status != 0) {
+      std::cout << "Write failed.  Return: " << status <<"\n";
+      perror("perror output:");
     }
+    */
+    std::cout << "Write done\n";
+    //std::this_thread::sleep_for(std::chrono::milliseconds(2000));
     
+    std::cout << "Reading\n";
+    status = read(video_fd, reinterpret_cast<char*>(&image_info), sizeof(image_info));
+    std::cout << "Reading\n";
+
+    if (status != 0) {
+      std::cout << "Read failed with status " << status << "\n";
+    }
+
     auto pt = reinterpret_cast<char*>(&image_info);
 
-    for(int i=0; i<sizeof(image_info); i++){
-        std::cout << std::hex << std::setfill('0') << std::setw(2) << int(*(pt + i)) << " ";
+    for (int i = 0; i < sizeof(image_info); i++) {
+      std::cout << std::hex << std::setfill('0') << std::setw(2)
+                << int(*(pt + i)) << " ";
+    }
+    std::cout << "\n";
+    /*
+    for(int i = 0; i < 1024; i++){
+        if (i % 16 == 0){
+          std::cout << "\n";
+        }
+        std::cout << std::hex << std::setfill('0') << std::setw(2)
+            << int(buffer[i]) << " ";
     }
+    */
+    buffer.resize(image_info.len);
     
+    std::ofstream f("/tmp/screen.jpg",std::ios::out | std::ios::binary); 
+
+    f.write(reinterpret_cast<char*>(buffer.data()), buffer.size());
+
     std::cout << "\n";
 
     std::cout << "typedef struct _video_features {\n";
-    std::cout << "short jpg_fmt: " << image_info.parameter.features.jpg_fmt << "\n";
-    std::cout << "short lumin_tbl;" << image_info.parameter.features.lumin_tbl << "\n";
-    std::cout << "short chrom_tbl;" << image_info.parameter.features.chrom_tbl << "\n";
-    std::cout << "short tolerance_noise;" << image_info.parameter.features.tolerance_noise << "\n";
-    std::cout << "int w;" << image_info.parameter.features.w << "\n";
-    std::cout << "int h;" << image_info.parameter.features.h << "\n";
-    //std::cout << "unsigned char *buf;" << image_info.parameter.features.buf << "\n";
+    std::cout << "short jpg_fmt: " << image_info.parameter.features.jpg_fmt
+              << "\n";
+    std::cout << "short lumin_tbl;" << image_info.parameter.features.lumin_tbl
+              << "\n";
+    std::cout << "short chrom_tbl;" << image_info.parameter.features.chrom_tbl
+              << "\n";
+    std::cout << "short tolerance_noise;"
+              << image_info.parameter.features.tolerance_noise << "\n";
+    std::cout << "int w; 0X" << image_info.parameter.features.w << "\n";
+    std::cout << "int h; 0X" << image_info.parameter.features.h << "\n";
+
+    std::cout << "void* buf; 0X" << static_cast<void*>(image_info.parameter.features.buf) << "\n";
+    // std::cout << "unsigned char *buf;" << image_info.parameter.features.buf
+    // << "\n";
     std::cout << "} FEATURES_TAG;\n";
 
     std::cout << "typedef struct _image_info {";
-    std::cout << "short do_image_refresh;" << image_info.do_image_refresh << "\n";
+    std::cout << "short do_image_refresh;" << image_info.do_image_refresh
+              << "\n";
     std::cout << "char qc_valid;" << image_info.qc_valid << "\n";
     std::cout << "unsigned int len;" << image_info.len << "\n";
     std::cout << "int crypttype;" << image_info.crypttype << "\n";
@@ -54,8 +112,10 @@ class VideoPuller {
     std::cout << "} parameter;\n";
     std::cout << "} IMAGE_INFO;\n";
     std::cout << std::endl;
+
+    close(video_fd);
   }
-  std::fstream file;
+  int video_fd;
 };
 }