stream pushing ok without access permission of /dev/video0

[rtmpclient.git] / app / src / main / jni / libuvc / src / test.c

diff --git a/app/src/main/jni/libuvc/src/test.c b/app/src/main/jni/libuvc/src/test.c
new file mode 100644 (file)
index 0000000..a2c43a4
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+++ b/app/src/main/jni/libuvc/src/test.c
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+/*********************************************************************
+* Software License Agreement (BSD License)
+*
+*  Copyright (C) 2010-2012 Ken Tossell
+*  All rights reserved.
+*
+*  Redistribution and use in source and binary forms, with or without
+*  modification, are permitted provided that the following conditions
+*  are met:
+*
+*   * Redistributions of source code must retain the above copyright
+*     notice, this list of conditions and the following disclaimer.
+*   * Redistributions in binary form must reproduce the above
+*     copyright notice, this list of conditions and the following
+*     disclaimer in the documentation and/or other materials provided
+*     with the distribution.
+*   * Neither the name of the author nor other contributors may be
+*     used to endorse or promote products derived from this software
+*     without specific prior written permission.
+*
+*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+*  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+*  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+*  FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+*  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+*  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+*  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+*  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+*  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+*  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+*  ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+*  POSSIBILITY OF SUCH DAMAGE.
+*********************************************************************/
+#include <stdio.h>
+#include <opencv/highgui.h>
+
+#include "libuvc/libuvc.h"
+
+void cb(uvc_frame_t *frame, void *ptr) {
+  uvc_frame_t *bgr;
+  uvc_error_t ret;
+  IplImage* cvImg;
+
+  printf("callback! length = %u, ptr = %d\n", frame->data_bytes, (int) ptr);
+
+  bgr = uvc_allocate_frame(frame->width * frame->height * 3);
+  if (!bgr) {
+    printf("unable to allocate bgr frame!");
+    return;
+  }
+
+  ret = uvc_any2bgr(frame, bgr);
+  if (ret) {
+    uvc_perror(ret, "uvc_any2bgr");
+    uvc_free_frame(bgr);
+    return;
+  }
+
+  cvImg = cvCreateImageHeader(
+      cvSize(bgr->width, bgr->height),
+      IPL_DEPTH_8U,
+      3);
+
+  cvSetData(cvImg, bgr->data, bgr->width * 3); 
+
+  cvNamedWindow("Test", CV_WINDOW_AUTOSIZE);
+  cvShowImage("Test", cvImg);
+  cvWaitKey(10);
+
+  cvReleaseImageHeader(&cvImg);
+
+  uvc_free_frame(bgr);
+}
+
+int main(int argc, char **argv) {
+  uvc_context_t *ctx;
+  uvc_error_t res;
+  uvc_device_t *dev;
+  uvc_device_handle_t *devh;
+  uvc_stream_ctrl_t ctrl;
+
+  res = uvc_init(&ctx, NULL);
+
+  if (res < 0) {
+    uvc_perror(res, "uvc_init");
+    return res;
+  }
+
+  puts("UVC initialized");
+
+  res = uvc_find_device(
+      ctx, &dev,
+      0, 0, NULL);
+
+  if (res < 0) {
+    uvc_perror(res, "uvc_find_device");
+  } else {
+    puts("Device found");
+
+    res = uvc_open(dev, &devh);
+
+    if (res < 0) {
+      uvc_perror(res, "uvc_open");
+    } else {
+      puts("Device opened");
+
+      uvc_print_diag(devh, stderr);
+
+      res = uvc_get_stream_ctrl_format_size(
+          devh, &ctrl, UVC_FRAME_FORMAT_YUYV, 640, 480, 30
+      );
+
+      uvc_print_stream_ctrl(&ctrl, stderr);
+
+      if (res < 0) {
+        uvc_perror(res, "get_mode");
+      } else {
+        res = uvc_start_iso_streaming(devh, &ctrl, cb, 12345);
+
+        if (res < 0) {
+          uvc_perror(res, "start_streaming");
+        } else {
+          puts("Streaming for 10 seconds...");
+          uvc_error_t resAEMODE = uvc_set_ae_mode(devh, 1);
+          uvc_perror(resAEMODE, "set_ae_mode");
+          int i;
+          for (i = 1; i <= 10; i++) {
+            /* uvc_error_t resPT = uvc_set_pantilt_abs(devh, i * 20 * 3600, 0); */
+            /* uvc_perror(resPT, "set_pt_abs"); */
+            uvc_error_t resEXP = uvc_set_exposure_abs(devh, 20 + i * 5);
+            uvc_perror(resEXP, "set_exp_abs");
+            
+            sleep(1);
+          }
+          sleep(10);
+          uvc_stop_streaming(devh);
+         puts("Done streaming.");
+        }
+      }
+
+      uvc_close(devh);
+      puts("Device closed");
+    }
+
+    uvc_unref_device(dev);
+  }
+
+  uvc_exit(ctx);
+  puts("UVC exited");
+
+  return 0;
+}
+