/**
* gst_wrapper_camera_bin_src_imgsrc_probe:
*
* Buffer probe called before sending each buffer to image queue.
*/
static gboolean
gst_wrapper_camera_bin_src_imgsrc_probe (GstPad * pad, GstBuffer * buffer,
gpointer data)
{
GstWrapperCameraBinSrc *self = GST_WRAPPER_CAMERA_BIN_SRC (data);
GstBaseCameraSrc *camerasrc = GST_BASE_CAMERA_SRC (data);
gboolean ret = FALSE;
GST_LOG_OBJECT (self, "Image probe, mode %d, capture count %d",
camerasrc->mode, self->image_capture_count);
g_mutex_lock (camerasrc->capturing_mutex);
if (self->image_capture_count > 0) {
ret = TRUE;
self->image_capture_count--;
/* post preview */
/* TODO This can likely be optimized if the viewfinder caps is the same as
* the preview caps, avoiding another scaling of the same buffer. */
GST_DEBUG_OBJECT (self, "Posting preview for image");
gst_base_camera_src_post_preview (camerasrc, buffer);
if (self->image_capture_count == 0) {
gst_base_camera_src_finish_capture (camerasrc);
}
}
g_mutex_unlock (camerasrc->capturing_mutex);
return ret;
}
/**
* gst_wrapper_camera_bin_src_vidsrc_probe:
*
* Buffer probe called before sending each buffer to image queue.
*/
static gboolean
gst_wrapper_camera_bin_src_vidsrc_probe (GstPad * pad, GstBuffer * buffer,
gpointer data)
{
GstWrapperCameraBinSrc *self = GST_WRAPPER_CAMERA_BIN_SRC (data);
GstBaseCameraSrc *camerasrc = GST_BASE_CAMERA_SRC_CAST (self);
gboolean ret = FALSE;
GST_LOG_OBJECT (self, "Video probe, mode %d, capture status %d",
camerasrc->mode, self->video_rec_status);
/* TODO do we want to lock for every buffer? */
/*
* Note that we can use gst_pad_push_event here because we are a buffer
* probe.
*/
/* TODO shouldn't access this directly */
g_mutex_lock (camerasrc->capturing_mutex);
if (self->video_rec_status == GST_VIDEO_RECORDING_STATUS_DONE) {
/* NOP */
} else if (self->video_rec_status == GST_VIDEO_RECORDING_STATUS_STARTING) {
GstClockTime ts;
GST_DEBUG_OBJECT (self, "Starting video recording");
self->video_rec_status = GST_VIDEO_RECORDING_STATUS_RUNNING;
ts = GST_BUFFER_TIMESTAMP (buffer);
if (!GST_CLOCK_TIME_IS_VALID (ts))
ts = 0;
gst_pad_push_event (self->vidsrc, gst_event_new_new_segment (FALSE, 1.0,
GST_FORMAT_TIME, ts, -1, 0));
/* post preview */
GST_DEBUG_OBJECT (self, "Posting preview for video");
gst_base_camera_src_post_preview (camerasrc, buffer);
ret = TRUE;
} else if (self->video_rec_status == GST_VIDEO_RECORDING_STATUS_FINISHING) {
/* send eos */
GST_DEBUG_OBJECT (self, "Finishing video recording, pushing eos");
gst_pad_push_event (pad, gst_event_new_eos ());
self->video_rec_status = GST_VIDEO_RECORDING_STATUS_DONE;
gst_base_camera_src_finish_capture (camerasrc);
} else {
ret = TRUE;
}
g_mutex_unlock (camerasrc->capturing_mutex);
return ret;
}
/**
* gst_wrapper_camera_bin_src_imgsrc_probe:
*
* Buffer probe called before sending each buffer to image queue.
*/
static gboolean
gst_wrapper_camera_bin_src_imgsrc_probe (GstPad * pad, GstBuffer * buffer,
gpointer data)
{
GstWrapperCameraBinSrc *self = GST_WRAPPER_CAMERA_BIN_SRC (data);
GstBaseCameraSrc *camerasrc = GST_BASE_CAMERA_SRC (data);
gboolean ret = FALSE;
GST_LOG_OBJECT (self, "Image probe, mode %d, capture count %d",
camerasrc->mode, self->image_capture_count);
g_mutex_lock (camerasrc->capturing_mutex);
if (self->image_capture_count > 0) {
ret = TRUE;
self->image_capture_count--;
if (self->image_capture_count == 0) {
gst_base_camera_src_finish_capture (camerasrc);
}
}
g_mutex_unlock (camerasrc->capturing_mutex);
return ret;
}
/**
* gst_wrapper_camera_bin_src_imgsrc_probe:
*
* Buffer probe called before sending each buffer to image queue.
*/
static GstPadProbeReturn
gst_wrapper_camera_bin_src_imgsrc_probe (GstPad * pad, GstPadProbeInfo * info,
gpointer data)
{
GstWrapperCameraBinSrc *self = GST_WRAPPER_CAMERA_BIN_SRC (data);
GstBaseCameraSrc *camerasrc = GST_BASE_CAMERA_SRC (data);
GstBuffer *buffer = GST_BUFFER (info->data);
GstPadProbeReturn ret = GST_PAD_PROBE_DROP;
GST_LOG_OBJECT (self, "Image probe, mode %d, capture count %d bufsize: %"
G_GSIZE_FORMAT, camerasrc->mode, self->image_capture_count,
gst_buffer_get_size (buffer));
g_mutex_lock (&camerasrc->capturing_mutex);
if (self->image_capture_count > 0) {
GstSample *sample;
GstCaps *caps;
ret = GST_PAD_PROBE_OK;
self->image_capture_count--;
/* post preview */
/* TODO This can likely be optimized if the viewfinder caps is the same as
* the preview caps, avoiding another scaling of the same buffer. */
GST_DEBUG_OBJECT (self, "Posting preview for image");
caps = gst_pad_get_current_caps (pad);
sample = gst_sample_new (buffer, caps, NULL, NULL);
gst_base_camera_src_post_preview (camerasrc, sample);
gst_caps_unref (caps);
gst_sample_unref (sample);
if (self->image_capture_count == 0) {
gst_base_camera_src_finish_capture (camerasrc);
}
}
g_mutex_unlock (&camerasrc->capturing_mutex);
return ret;
}
/**
* gst_wrapper_camera_bin_src_vidsrc_probe:
*
* Buffer probe called before sending each buffer to image queue.
*/
static GstPadProbeReturn
gst_wrapper_camera_bin_src_vidsrc_probe (GstPad * pad, GstPadProbeInfo * info,
gpointer data)
{
GstWrapperCameraBinSrc *self = GST_WRAPPER_CAMERA_BIN_SRC (data);
GstBaseCameraSrc *camerasrc = GST_BASE_CAMERA_SRC_CAST (self);
GstPadProbeReturn ret = GST_PAD_PROBE_DROP;
GstBuffer *buffer = GST_BUFFER (info->data);
GST_LOG_OBJECT (self, "Video probe, mode %d, capture status %d",
camerasrc->mode, self->video_rec_status);
/* TODO do we want to lock for every buffer? */
/*
* Note that we can use gst_pad_push_event here because we are a buffer
* probe.
*/
/* TODO shouldn't access this directly */
g_mutex_lock (&camerasrc->capturing_mutex);
if (self->video_rec_status == GST_VIDEO_RECORDING_STATUS_DONE) {
/* NOP */
} else if (self->video_rec_status == GST_VIDEO_RECORDING_STATUS_STARTING) {
GstClockTime ts;
GstSegment segment;
GstCaps *caps;
GstSample *sample;
GST_DEBUG_OBJECT (self, "Starting video recording");
self->video_rec_status = GST_VIDEO_RECORDING_STATUS_RUNNING;
ts = GST_BUFFER_TIMESTAMP (buffer);
if (!GST_CLOCK_TIME_IS_VALID (ts))
ts = 0;
gst_segment_init (&segment, GST_FORMAT_TIME);
segment.start = ts;
gst_pad_push_event (self->vidsrc, gst_event_new_segment (&segment));
/* post preview */
GST_DEBUG_OBJECT (self, "Posting preview for video");
caps = gst_pad_get_current_caps (pad);
sample = gst_sample_new (buffer, caps, NULL, NULL);
gst_base_camera_src_post_preview (camerasrc, sample);
gst_caps_unref (caps);
gst_sample_unref (sample);
ret = GST_PAD_PROBE_OK;
} else if (self->video_rec_status == GST_VIDEO_RECORDING_STATUS_FINISHING) {
GstPad *peer;
/* send eos */
GST_DEBUG_OBJECT (self, "Finishing video recording, pushing eos");
peer = gst_pad_get_peer (self->vidsrc);
if (peer) {
/* send to the peer as we don't want our pads with eos flag */
gst_pad_send_event (peer, gst_event_new_eos ());
gst_object_unref (peer);
} else {
GST_WARNING_OBJECT (camerasrc, "No peer pad for vidsrc");
}
self->video_rec_status = GST_VIDEO_RECORDING_STATUS_DONE;
gst_base_camera_src_finish_capture (camerasrc);
} else {
ret = GST_PAD_PROBE_OK;
}
g_mutex_unlock (&camerasrc->capturing_mutex);
return ret;
}
