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authorMarius Vlad <marius.vlad@collabora.com>2023-08-09 12:58:17 +0300
committerMarius Vlad <marius.vlad@collabora.com>2023-08-09 14:04:45 +0300
commit1962f81149e1a1230b7888f1c7da0ac4c0b33c08 (patch)
tree6ce4a56b139a0ab37d7218b2be3520999833e62a
parent30c275c5c87b9d4f0bc3b0e0e3175775d3738319 (diff)
main: Allow to pass different devices and height/width
Bug-AGL: SPEC-4877 Signed-off-by: Marius Vlad <marius.vlad@collabora.com> Change-Id: Ic35267e93a95589be6af0b3d2e0bb9839303b519
-rw-r--r--README.md2
-rw-r--r--app/main.cpp23
2 files changed, 24 insertions, 1 deletions
diff --git a/README.md b/README.md
index a7f64b7..bb1db89 100644
--- a/README.md
+++ b/README.md
@@ -3,3 +3,5 @@ camera-gstreamer
Assumes that /dev/video0 is present and is set as a capture device. Use
DEFAULT_V4L2_DEVICE environmental variable to change it.
+DEFAULT_V4L2_DEVICE_WIDTH and DEFAULT_V4L2_DEVICE_HEIGHT to specify the
+dimensions.
diff --git a/app/main.cpp b/app/main.cpp
index 1acb70f..d4c0671 100644
--- a/app/main.cpp
+++ b/app/main.cpp
@@ -652,6 +652,12 @@ int main(int argc, char *argv[])
struct receiver_data receiver_data = {};
struct display *display;
struct window *window;
+ const char *camera_device = NULL;
+ const char *width_str = NULL;
+ const char *height_str = NULL;
+ int width;
+ int height;
+
char pipeline_str[1024];
GError *error = NULL;
const char *app_id = "camera-gstreamer";
@@ -667,9 +673,24 @@ int main(int argc, char *argv[])
gargv[0] = strdup(argv[0]);
gargv[1] = strdup("--gst-debug-level=2");
+ camera_device = getenv("DEFAULT_V4L2_DEVICE");
+ if (!camera_device)
+ camera_device = get_first_camera_device();
+ width_str = getenv("DEFAULT_V4L2_DEVICE_WIDTH");
+ if (!width_str)
+ width = WINDOW_WIDTH_SIZE;
+ else
+ width = atoi(width_str);
+
+ height_str = getenv("DEFAULT_V4L2_DEVICE_HEIGHT");
+ if (!height_str)
+ height = WINDOW_HEIGHT_SIZE;
+ else
+ height = atoi(height_str);
+
memset(pipeline_str, 0, sizeof(pipeline_str));
snprintf(pipeline_str, sizeof(pipeline_str), "v4l2src device=%s ! video/x-raw,width=%d,height=%d ! waylandsink",
- get_first_camera_device(), WINDOW_WIDTH_SIZE, WINDOW_HEIGHT_SIZE);
+ camera_device, width, height);
gst_init(&gargc, &gargv);
setbuf(stdout, NULL);