diff options
Diffstat (limited to 'src/gstreamer/gstlibcamerapool.cpp')
| -rw-r--r-- | src/gstreamer/gstlibcamerapool.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/gstreamer/gstlibcamerapool.cpp b/src/gstreamer/gstlibcamerapool.cpp index 3868905f..8f536169 100644 --- a/src/gstreamer/gstlibcamerapool.cpp +++ b/src/gstreamer/gstlibcamerapool.cpp @@ -14,6 +14,13 @@ using namespace libcamera; +enum { + SIGNAL_BUFFER_NOTIFY, + N_SIGNALS +}; + +static guint signals[N_SIGNALS]; + struct _GstLibcameraPool { GstBufferPool parent; @@ -55,7 +62,12 @@ static void gst_libcamera_pool_release_buffer(GstBufferPool *pool, GstBuffer *buffer) { GstLibcameraPool *self = GST_LIBCAMERA_POOL(pool); + bool do_notify = gst_atomic_queue_length(self->queue) == 0; + gst_atomic_queue_push(self->queue, buffer); + + if (do_notify) + g_signal_emit(self, signals[SIGNAL_BUFFER_NOTIFY], 0); } static void @@ -90,6 +102,11 @@ gst_libcamera_pool_class_init(GstLibcameraPoolClass *klass) pool_class->acquire_buffer = gst_libcamera_pool_acquire_buffer; pool_class->reset_buffer = gst_libcamera_pool_reset_buffer; pool_class->release_buffer = gst_libcamera_pool_release_buffer; + + signals[SIGNAL_BUFFER_NOTIFY] = g_signal_new("buffer-notify", + G_OBJECT_CLASS_TYPE(klass), G_SIGNAL_RUN_LAST, + 0, nullptr, nullptr, nullptr, + G_TYPE_NONE, 0); } GstLibcameraPool * |