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examples: camerabin: add timing printing for preview image

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Measure and print the time taken to generate preview image. And
fix a typo
This commit is contained in:
Thiago Santos 2011-01-24 18:37:12 -03:00
parent 25062fc384
commit 97789fa5bc
1 changed files with 9 additions and 3 deletions
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12
tests/examples/camerabin/gst-camerabin-test.c
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@ -183,6 +183,8 @@ static gchar *preview_caps_name = NULL;
static Display *display = NULL; static Display *display = NULL;
static Window window = 0; static Window window = 0;
GTimer *timer = NULL;
/* /*
* Prototypes * Prototypes
*/ */
@ -266,14 +268,14 @@ sync_bus_callback (GstBus * bus, GstMessage * message, gpointer data)
size = GST_BUFFER_SIZE (buf); size = GST_BUFFER_SIZE (buf);
preview_filename = g_strdup_printf ("test_vga.rgb"); preview_filename = g_strdup_printf ("test_vga.rgb");
caps_string = gst_caps_to_string (GST_BUFFER_CAPS (buf)); caps_string = gst_caps_to_string (GST_BUFFER_CAPS (buf));
g_print ("writing buffer to %s, buffer caps: %s\n", g_print ("writing buffer to %s, elapsed: %.2fs, buffer caps: %s\n",
preview_filename, caps_string); preview_filename, g_timer_elapsed (timer, NULL), caps_string);
g_free (caps_string); g_free (caps_string);
f = g_fopen (preview_filename, "w"); f = g_fopen (preview_filename, "w");
if (f) { if (f) {
written = fwrite (data_buf, size, 1, f); written = fwrite (data_buf, size, 1, f);
if (!written) { if (!written) {
g_print ("errro writing file\n"); g_print ("error writing file\n");
} }
fclose (f); fclose (f);
} else { } else {
@ -668,6 +670,7 @@ run_pipeline (gpointer user_data)
g_object_set (camera_bin, "zoom", zoom / 100.0f, NULL); g_object_set (camera_bin, "zoom", zoom / 100.0f, NULL);
capture_count++; capture_count++;
g_timer_start (timer);
g_signal_emit_by_name (camera_bin, "capture-start", 0); g_signal_emit_by_name (camera_bin, "capture-start", 0);
@ -808,6 +811,8 @@ main (int argc, char *argv[])
if (filename->len == 0) if (filename->len == 0)
filename = g_string_append (filename, "."); filename = g_string_append (filename, ".");
timer = g_timer_new ();
/* init */ /* init */
if (setup_pipeline ()) { if (setup_pipeline ()) {
loop = g_main_loop_new (NULL, FALSE); loop = g_main_loop_new (NULL, FALSE);
@ -830,6 +835,7 @@ main (int argc, char *argv[])
g_free (src_csp); g_free (src_csp);
g_free (src_format); g_free (src_format);
g_free (target_times); g_free (target_times);
g_timer_destroy (timer);
if (window) if (window)
XDestroyWindow (display, window); XDestroyWindow (display, window);