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camerabin: unblock if error occurs during capture

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This commit is contained in:
Lasse Laukkanen 2009-05-05 14:19:46 +03:00 committed by Stefan Kost
parent ca4bfb2e47
commit 430f343522
1 changed files with 34 additions and 9 deletions
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43
gst/camerabin/gstcamerabin.c
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@ -275,6 +275,8 @@ static const GValue *gst_camerabin_find_better_framerate (GstCameraBin * camera,
static void
gst_camerabin_update_aspect_filter (GstCameraBin * camera, GstCaps * new_caps);
static void gst_camerabin_finish_image_capture (GstCameraBin * camera);
/*
* GObject callback functions declaration
*/
@ -2061,6 +2063,26 @@ gst_camerabin_update_aspect_filter (GstCameraBin * camera, GstCaps * new_caps)
gst_caps_unref (ar_caps);
}
/*
* gst_camerabin_finish_image_capture:
* @camera: camerabin object
*
* Perform finishing operations after image capture is done and
* returning back to view finder mode.
*/
static void
gst_camerabin_finish_image_capture (GstCameraBin * camera)
{
if (camera->image_capture_caps) {
/* If we used specific caps for image capture we need to
restore the caps and zoom/crop for view finder mode */
GST_DEBUG_OBJECT (camera, "resetting crop in camerabin");
g_object_set (camera->src_zoom_crop, "left", 0, "right", 0,
"top", 0, "bottom", 0, NULL);
gst_camerabin_set_capsfilter_caps (camera, camera->view_finder_caps);
}
}
/*
* GObject callback functions implementation
*/
@ -2797,21 +2819,24 @@ gst_camerabin_handle_message_func (GstBin * bin, GstMessage * msg)
/* Image eos */
GST_DEBUG_OBJECT (camera, "got image eos message");
/* HACK: v4l2camsrc changes to view finder resolution automatically
after one captured still image */
if (camera->image_capture_caps) {
GST_DEBUG_OBJECT (camera, "resetting crop in camerabin");
g_object_set (camera->src_zoom_crop, "left", 0, "right", 0,
"top", 0, "bottom", 0, NULL);
/* Still image capture buffer handled, restore filter caps */
gst_camerabin_set_capsfilter_caps (camera, camera->view_finder_caps);
}
gst_camerabin_finish_image_capture (camera);
/* Unblock pad to process next buffer */
gst_pad_set_blocked_async (camera->srcpad_videosrc, FALSE,
(GstPadBlockCallback) image_pad_blocked, camera);
}
break;
case GST_MESSAGE_ERROR:
GST_DEBUG_OBJECT (camera, "error from child %" GST_PTR_FORMAT,
GST_MESSAGE_SRC (msg));
g_mutex_lock (camera->capture_mutex);
if (camera->capturing) {
gst_camerabin_finish_image_capture (camera);
camera->capturing = FALSE;
g_cond_signal (camera->cond);
}
g_mutex_unlock (camera->capture_mutex);
break;
default:
break;
}