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Merge branch 'master' into 0.11

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This commit is contained in:
Wim Taymans 2011-11-10 12:14:19 +01:00
commit 59b4bcd27e
2 changed files with 72 additions and 22 deletions
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91
gst/camerabin2/gstcamerabin2.c
View file

@ -377,11 +377,6 @@ gst_camera_bin_start_capture (GstCameraBin2 * camerabin)
GST_CAMERA_BIN2_PROCESSING_INC (camerabin);
if (camerabin->post_previews) {
/* Count processing of preview images too */
GST_CAMERA_BIN2_PROCESSING_INC (camerabin);
}
if (camerabin->location)
location = g_strdup_printf (camerabin->location, capture_index);
@ -406,15 +401,23 @@ gst_camera_bin_start_capture (GstCameraBin2 * camerabin)
}
} else {
/* store the next capture buffer filename */
g_mutex_lock (camerabin->image_capture_mutex);
camerabin->image_location_list =
g_slist_append (camerabin->image_location_list, g_strdup (location));
g_mutex_unlock (camerabin->image_capture_mutex);
}
/* store the next preview filename */
g_mutex_lock (camerabin->preview_list_mutex);
camerabin->preview_location_list =
g_slist_append (camerabin->preview_location_list, location);
g_mutex_unlock (camerabin->preview_list_mutex);
if (camerabin->post_previews) {
/* Count processing of preview images too */
GST_CAMERA_BIN2_PROCESSING_INC (camerabin);
/* store the next preview filename */
g_mutex_lock (camerabin->preview_list_mutex);
camerabin->preview_location_list =
g_slist_append (camerabin->preview_location_list, location);
g_mutex_unlock (camerabin->preview_list_mutex);
} else {
g_free (location);
}
g_signal_emit_by_name (camerabin->src, "start-capture", NULL);
if (camerabin->mode == MODE_VIDEO && camerabin->audio_src)
@ -426,24 +429,29 @@ gst_camera_bin_start_capture (GstCameraBin2 * camerabin)
* notify from ready for capture going to FALSE
*/
taglist = gst_tag_setter_get_tag_list (GST_TAG_SETTER (camerabin));
if (taglist) {
GST_DEBUG_OBJECT (camerabin, "Have tags from application: %"
GST_PTR_FORMAT, taglist);
if (camerabin->mode == MODE_IMAGE) {
/* Store image tags in a list and push them later, this prevents
start_capture() from blocking in pad_push_event call */
g_mutex_lock (camerabin->image_capture_mutex);
camerabin->image_tags_list =
g_slist_append (camerabin->image_tags_list,
taglist ? gst_tag_list_copy (taglist) : NULL);
g_mutex_unlock (camerabin->image_capture_mutex);
} else if (taglist) {
GstPad *active_pad;
GST_DEBUG_OBJECT (camerabin, "Pushing tags from application: %"
GST_PTR_FORMAT, taglist);
if (camerabin->mode == MODE_IMAGE) {
active_pad = gst_element_get_static_pad (camerabin->src,
GST_BASE_CAMERA_SRC_IMAGE_PAD_NAME);
} else {
active_pad = gst_element_get_static_pad (camerabin->src,
GST_BASE_CAMERA_SRC_VIDEO_PAD_NAME);
}
active_pad = gst_element_get_static_pad (camerabin->src,
GST_BASE_CAMERA_SRC_VIDEO_PAD_NAME);
gst_pad_push_event (active_pad,
gst_event_new_tag (gst_tag_list_copy (taglist)));
gst_object_unref (active_pad);
}
GST_DEBUG_OBJECT (camerabin, "Start-capture end");
}
static void
@ -526,6 +534,7 @@ gst_camera_bin_dispose (GObject * object)
g_free (camerabin->location);
g_mutex_free (camerabin->preview_list_mutex);
g_mutex_free (camerabin->image_capture_mutex);
if (camerabin->src_capture_notify_id)
g_signal_handler_disconnect (camerabin->src,
@ -882,6 +891,7 @@ gst_camera_bin_init (GstCameraBin2 * camera)
camera->max_zoom = MAX_ZOOM;
camera->flags = DEFAULT_FLAGS;
camera->preview_list_mutex = g_mutex_new ();
camera->image_capture_mutex = g_mutex_new ();
/* capsfilters are created here as we proxy their caps properties and
* this way we avoid having to store the caps while on NULL state to
@ -1263,7 +1273,28 @@ gst_camera_bin_image_src_buffer_probe (GstPad * pad, GstBuffer * buf,
GstEvent *evt;
gchar *location = NULL;
GstPad *peer;
GstTagList *tags;
g_mutex_lock (camerabin->image_capture_mutex);
/* Push pending image tags */
if (camerabin->image_tags_list) {
tags = camerabin->image_tags_list->data;
camerabin->image_tags_list =
g_slist_delete_link (camerabin->image_tags_list,
camerabin->image_tags_list);
GST_DEBUG_OBJECT (camerabin, "Pushing tags from application: %"
GST_PTR_FORMAT, tags);
if (tags) {
peer = gst_pad_get_peer (pad);
gst_pad_send_event (peer, gst_event_new_tag (tags));
gst_object_unref (peer);
}
} else {
GST_DEBUG_OBJECT (camerabin, "No tags from application to send");
}
/* Push image location event */
if (camerabin->image_location_list) {
location = camerabin->image_location_list->data;
camerabin->image_location_list =
@ -1273,8 +1304,10 @@ gst_camera_bin_image_src_buffer_probe (GstPad * pad, GstBuffer * buf,
location);
} else {
GST_DEBUG_OBJECT (camerabin, "No filename location change to send");
g_mutex_unlock (camerabin->image_capture_mutex);
return ret;
}
g_mutex_unlock (camerabin->image_capture_mutex);
if (location) {
evt = gst_camera_bin_new_event_file_location (location);
@ -1730,6 +1763,13 @@ fail:
return FALSE;
}
static void
_gst_tag_list_free_maybe (GstTagList * taglist)
{
if (taglist)
gst_tag_list_free (taglist);
}
static GstStateChangeReturn
gst_camera_bin_change_state (GstElement * element, GstStateChange trans)
{
@ -1771,10 +1811,17 @@ gst_camera_bin_change_state (GstElement * element, GstStateChange trans)
gst_tag_setter_reset_tags (GST_TAG_SETTER (camera));
GST_CAMERA_BIN2_RESET_PROCESSING_COUNTER (camera);
g_mutex_lock (camera->image_capture_mutex);
g_slist_foreach (camera->image_location_list, (GFunc) g_free, NULL);
g_slist_free (camera->image_location_list);
camera->image_location_list = NULL;
g_slist_foreach (camera->image_tags_list,
(GFunc) _gst_tag_list_free_maybe, NULL);
g_slist_free (camera->image_tags_list);
camera->image_tags_list = NULL;
g_mutex_unlock (camera->image_capture_mutex);
g_mutex_lock (camera->preview_list_mutex);
g_slist_foreach (camera->preview_location_list, (GFunc) g_free, NULL);
g_slist_free (camera->preview_location_list);

3
gst/camerabin2/gstcamerabin2.h
View file

@ -89,10 +89,13 @@ struct _GstCameraBin2
/* Index of the auto incrementing file index for captures */
gint capture_index;
GMutex *image_capture_mutex;
/* stores list of image locations to be pushed to the image sink
* as file location change notifications, they are pushed before
* each buffer capture */
GSList *image_location_list;
/* Store also tags and push them before each captured image */
GSList *image_tags_list;
/*
* Similar to above, but used for giving names to previews