static void
kms_recorder_endpoint_started (KmsUriEndpoint * obj)
{
KmsRecorderEndpoint *self = KMS_RECORDER_ENDPOINT (obj);
kms_recorder_endpoint_create_parent_directories (self);
kms_recorder_endpoint_change_state (self);
/* Set internal pipeline to playing */
kms_base_media_muxer_set_state (self->priv->mux, GST_STATE_PLAYING);
BASE_TIME_LOCK (self);
if (GST_CLOCK_TIME_IS_VALID (self->priv->paused_start)) {
self->priv->paused_time +=
gst_clock_get_time (kms_base_media_muxer_get_clock (self->priv->mux)) -
self->priv->paused_start;
self->priv->paused_start = GST_CLOCK_TIME_NONE;
}
BASE_TIME_UNLOCK (self);
kms_recorder_generate_pads (self);
kms_recorder_endpoint_state_changed (self, KMS_URI_ENDPOINT_STATE_START);
}
static void
kms_recorder_endpoint_stopped (KmsUriEndpoint * obj)
{
KmsRecorderEndpoint *self = KMS_RECORDER_ENDPOINT (obj);
kms_recorder_endpoint_change_state (self);
if (kms_base_media_muxer_get_state (self->priv->mux) >= GST_STATE_PAUSED) {
kms_recorder_endpoint_send_eos_to_appsrcs (self);
self->priv->stopping = TRUE;
}
kms_recorder_endpoint_remove_pads (self);
// Reset base time data
BASE_TIME_LOCK (self);
g_object_set_data_full (G_OBJECT (self), BASE_TIME_DATA, NULL, NULL);
self->priv->paused_time = G_GUINT64_CONSTANT (0);
self->priv->paused_start = GST_CLOCK_TIME_NONE;
BASE_TIME_UNLOCK (self);
if (kms_base_media_muxer_get_state (self->priv->mux) < GST_STATE_PAUSED &&
!self->priv->stopping) {
kms_base_media_muxer_set_state (self->priv->mux, GST_STATE_NULL);
kms_recorder_endpoint_state_changed (self, KMS_URI_ENDPOINT_STATE_STOP);
}
}
static GstFlowReturn
recv_sample (GstAppSink * appsink, gpointer user_data)
{
KmsRecorderEndpoint *self =
KMS_RECORDER_ENDPOINT (GST_OBJECT_PARENT (appsink));
GstAppSrc *appsrc = GST_APP_SRC (user_data);
KmsUriEndpointState state;
GstFlowReturn ret;
GstSample *sample;
GstSegment *segment;
GstBuffer *buffer;
BaseTimeType *base_time;
GstClockTime offset;
g_signal_emit_by_name (appsink, "pull-sample", &sample);
if (sample == NULL)
return GST_FLOW_OK;
buffer = gst_sample_get_buffer (sample);
if (buffer == NULL) {
ret = GST_FLOW_OK;
goto end;
}
segment = gst_sample_get_segment (sample);
g_object_get (G_OBJECT (self), "state", &state, NULL);
if (state != KMS_URI_ENDPOINT_STATE_START) {
GST_WARNING ("Dropping buffer received in invalid state %" GST_PTR_FORMAT,
buffer);
// TODO: Add a flag to discard buffers until keyframe
ret = GST_FLOW_OK;
goto end;
}
gst_buffer_ref (buffer);
buffer = gst_buffer_make_writable (buffer);
if (GST_BUFFER_PTS_IS_VALID (buffer))
buffer->pts =
gst_segment_to_running_time (segment, GST_FORMAT_TIME, buffer->pts);
if (GST_BUFFER_DTS_IS_VALID (buffer))
buffer->dts =
gst_segment_to_running_time (segment, GST_FORMAT_TIME, buffer->dts);
BASE_TIME_LOCK (self);
base_time = g_object_get_data (G_OBJECT (self), BASE_TIME_DATA);
if (base_time == NULL) {
base_time = g_slice_new0 (BaseTimeType);
base_time->pts = buffer->pts;
base_time->dts = buffer->dts;
GST_DEBUG_OBJECT (appsrc, "Setting pts base time to: %" G_GUINT64_FORMAT,
base_time->pts);
g_object_set_data_full (G_OBJECT (self), BASE_TIME_DATA, base_time,
release_base_time_type);
}
if (!GST_CLOCK_TIME_IS_VALID (base_time->pts)
&& GST_BUFFER_PTS_IS_VALID (buffer)) {
base_time->pts = buffer->pts;
GST_DEBUG_OBJECT (appsrc, "Setting pts base time to: %" G_GUINT64_FORMAT,
base_time->pts);
base_time->dts = buffer->dts;
}
if (GST_CLOCK_TIME_IS_VALID (base_time->pts)) {
if (GST_BUFFER_PTS_IS_VALID (buffer)) {
offset = base_time->pts + self->priv->paused_time;
if (buffer->pts > offset) {
buffer->pts -= offset;
} else {
buffer->pts = 0;
}
}
}
if (GST_CLOCK_TIME_IS_VALID (base_time->dts)) {
if (GST_BUFFER_DTS_IS_VALID (buffer)) {
offset = base_time->dts + self->priv->paused_time;
if (buffer->dts > offset) {
buffer->dts -= offset;
} else {
buffer->dts = 0;
}
}
}
BASE_TIME_UNLOCK (GST_OBJECT_PARENT (appsink));
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_LIVE);
if (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_HEADER))
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
ret = gst_app_src_push_buffer (appsrc, buffer);
if (ret != GST_FLOW_OK) {
/* something wrong */
GST_ERROR ("Could not send buffer to appsrc %s. Cause: %s",
GST_ELEMENT_NAME (appsrc), gst_flow_get_name (ret));
}
end:
if (sample != NULL) {
gst_sample_unref (sample);
}
return ret;
}
static GstFlowReturn
new_sample_post_handler (GstElement * appsink, gpointer user_data)
{
GstElement *appsrc = GST_ELEMENT (user_data);
GstSample *sample = NULL;
GstBuffer *buffer;
GstFlowReturn ret;
GstClockTime *base_time;
g_signal_emit_by_name (appsink, "pull-sample", &sample);
if (sample == NULL)
return GST_FLOW_OK;
buffer = gst_sample_get_buffer (sample);
if (buffer == NULL) {
ret = GST_FLOW_OK;
goto end;
}
gst_buffer_ref (buffer);
buffer = gst_buffer_make_writable (buffer);
BASE_TIME_LOCK (GST_OBJECT_PARENT (appsrc));
base_time =
g_object_get_qdata (G_OBJECT (GST_OBJECT_PARENT (appsrc)),
base_time_data_quark ());
if (base_time == NULL) {
GstClock *clock;
clock = gst_element_get_clock (appsrc);
base_time = g_slice_new0 (GstClockTime);
g_object_set_qdata_full (G_OBJECT (GST_OBJECT_PARENT (appsrc)),
base_time_data_quark (), base_time, release_gst_clock);
*base_time =
gst_clock_get_time (clock) - gst_element_get_base_time (appsrc);
g_object_unref (clock);
GST_DEBUG ("Setting base time to: %" G_GUINT64_FORMAT, *base_time);
}
if (GST_BUFFER_PTS_IS_VALID (buffer))
buffer->pts += *base_time;
if (GST_BUFFER_DTS_IS_VALID (buffer))
buffer->dts += *base_time;
BASE_TIME_UNLOCK (GST_OBJECT_PARENT (appsrc));
/* Pass the buffer through appsrc element which is */
/* placed in a different pipeline */
g_signal_emit_by_name (appsrc, "push-buffer", buffer, &ret);
gst_buffer_unref (buffer);
if (ret != GST_FLOW_OK) {
/* something went wrong */
GST_ERROR ("Could not send buffer to appsrc %s. Cause %s",
GST_ELEMENT_NAME (appsrc), gst_flow_get_name (ret));
}
end:
if (sample != NULL)
gst_sample_unref (sample);
return ret;
}
