static GstFlowReturn
gst_vaapiencode_finish (GstVideoEncoder * venc)
{
GstVaapiEncode *const encode = GST_VAAPIENCODE_CAST (venc);
GstVaapiEncoderStatus status;
GstFlowReturn ret = GST_FLOW_OK;
/* Don't try to destroy encoder if none was created in the first place.
Return "not-negotiated" error since this means we did not even reach
GstVideoEncoder::set_format() state, where the encoder could have
been created */
if (!encode->encoder)
return GST_FLOW_NOT_NEGOTIATED;
status = gst_vaapi_encoder_flush (encode->encoder);
GST_VIDEO_ENCODER_STREAM_UNLOCK (encode);
gst_pad_stop_task (GST_VAAPI_PLUGIN_BASE_SRC_PAD (encode));
GST_VIDEO_ENCODER_STREAM_LOCK (encode);
while (status == GST_VAAPI_ENCODER_STATUS_SUCCESS && ret == GST_FLOW_OK)
ret = gst_vaapiencode_push_frame (encode, 0);
if (ret == GST_VAAPI_ENCODE_FLOW_TIMEOUT)
ret = GST_FLOW_OK;
return ret;
}
static gboolean
gst_vaapiencode_close (GstVideoEncoder * venc)
{
GstVaapiEncode *const encode = GST_VAAPIENCODE_CAST (venc);
gst_vaapiencode_destroy (encode);
gst_vaapi_plugin_base_close (GST_VAAPI_PLUGIN_BASE (encode));
return TRUE;
}
static gboolean
gst_vaapiencode_set_format (GstVideoEncoder * venc, GstVideoCodecState * state)
{
GstVaapiEncode *const encode = GST_VAAPIENCODE_CAST (venc);
gboolean ret;
g_return_val_if_fail (state->caps != NULL, FALSE);
if (!set_codec_state (encode, state))
return FALSE;
if (!gst_vaapi_plugin_base_set_caps (GST_VAAPI_PLUGIN_BASE (encode),
state->caps, NULL))
return FALSE;
if (encode->input_state)
gst_video_codec_state_unref (encode->input_state);
encode->input_state = gst_video_codec_state_ref (state);
encode->input_state_changed = TRUE;
ret = gst_pad_start_task (GST_VAAPI_PLUGIN_BASE_SRC_PAD (encode),
(GstTaskFunction) gst_vaapiencode_buffer_loop, encode, NULL);
if (!ret)
return FALSE;
/* Store some tags */
{
GstTagList *tags = gst_tag_list_new_empty ();
const gchar *encoder, *codec;
guint bitrate = 0;
g_object_get (encode, "bitrate", &bitrate, NULL);
gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE, GST_TAG_NOMINAL_BITRATE,
bitrate, NULL);
if ((encoder =
gst_element_class_get_metadata (GST_ELEMENT_GET_CLASS (encode),
GST_ELEMENT_METADATA_LONGNAME)))
gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE, GST_TAG_ENCODER, encoder,
NULL);
if ((codec =
gst_vaapi_codec_get_name (gst_vaapi_profile_get_codec
(gst_vaapi_profile_from_caps (state->caps)))))
gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE, GST_TAG_CODEC, codec,
NULL);
gst_video_encoder_merge_tags (venc, tags, GST_TAG_MERGE_REPLACE);
gst_tag_list_unref (tags);
}
return TRUE;
}
static GstCaps *
gst_vaapiencode_get_caps (GstVideoEncoder * venc, GstCaps * filter)
{
GstVaapiEncode *const encode = GST_VAAPIENCODE_CAST (venc);
GstCaps *result;
ensure_allowed_sinkpad_caps (encode);
result = gst_video_encoder_proxy_getcaps (venc, encode->allowed_sinkpad_caps,
filter);
GST_DEBUG_OBJECT (venc, "Negotiated sink caps %" GST_PTR_FORMAT, result);
return result;
}
static void
gst_vaapiencode_mpeg2_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec)
{
GstVaapiEncodeClass *const encode_class = GST_VAAPIENCODE_GET_CLASS (object);
GstVaapiEncode *const base_encode = GST_VAAPIENCODE_CAST (object);
switch (prop_id) {
default:
if (!encode_class->set_property (base_encode, prop_id, value))
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_vaapiencode_finalize (GObject * object)
{
GstVaapiEncode *const encode = GST_VAAPIENCODE_CAST (object);
gst_vaapiencode_destroy (encode);
if (encode->prop_values) {
g_ptr_array_unref (encode->prop_values);
encode->prop_values = NULL;
}
gst_vaapi_plugin_base_finalize (GST_VAAPI_PLUGIN_BASE (object));
G_OBJECT_CLASS (gst_vaapiencode_parent_class)->finalize (object);
}
static GstStateChangeReturn
gst_vaapiencode_change_state (GstElement * element, GstStateChange transition)
{
GstVaapiEncode *const encode = GST_VAAPIENCODE_CAST (element);
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:
gst_pad_stop_task (GST_VAAPI_PLUGIN_BASE_SRC_PAD (encode));
break;
default:
break;
}
return
GST_ELEMENT_CLASS (gst_vaapiencode_parent_class)->change_state (element,
transition);
}
static gboolean
gst_vaapiencode_open (GstVideoEncoder * venc)
{
GstVaapiEncode *const encode = GST_VAAPIENCODE_CAST (venc);
GstVaapiDisplay *const old_display = GST_VAAPI_PLUGIN_BASE_DISPLAY (encode);
gboolean success;
if (!gst_vaapi_plugin_base_open (GST_VAAPI_PLUGIN_BASE (encode)))
return FALSE;
GST_VAAPI_PLUGIN_BASE_DISPLAY (encode) = NULL;
success = ensure_display (encode);
if (old_display)
gst_vaapi_display_unref (old_display);
return success;
}
static gboolean
gst_vaapiencode_flush (GstVideoEncoder * venc)
{
GstVaapiEncode *const encode = GST_VAAPIENCODE_CAST (venc);
GstVaapiEncoderStatus status;
if (!encode->encoder)
return FALSE;
GST_LOG_OBJECT (encode, "flushing");
status = gst_vaapi_encoder_flush (encode->encoder);
if (status != GST_VAAPI_ENCODER_STATUS_SUCCESS)
return FALSE;
gst_vaapiencode_purge (encode);
gst_vaapi_encoder_replace (&encode->encoder, NULL);
if (!ensure_encoder (encode))
return FALSE;
if (!set_codec_state (encode, encode->input_state))
return FALSE;
return TRUE;
}
static gboolean
gst_vaapiencode_set_format (GstVideoEncoder * venc, GstVideoCodecState * state)
{
GstVaapiEncode *const encode = GST_VAAPIENCODE_CAST (venc);
g_return_val_if_fail (state->caps != NULL, FALSE);
if (!ensure_encoder (encode))
return FALSE;
if (!set_codec_state (encode, state))
return FALSE;
if (!gst_vaapi_plugin_base_set_caps (GST_VAAPI_PLUGIN_BASE (encode),
state->caps, NULL))
return FALSE;
if (encode->input_state)
gst_video_codec_state_unref (encode->input_state);
encode->input_state = gst_video_codec_state_ref (state);
encode->input_state_changed = TRUE;
return gst_pad_start_task (GST_VAAPI_PLUGIN_BASE_SRC_PAD (encode),
(GstTaskFunction) gst_vaapiencode_buffer_loop, encode, NULL);
}
static void
gst_vaapiencode_mpeg2_init (GstVaapiEncodeMpeg2 * encode)
{
gst_vaapiencode_init_properties (GST_VAAPIENCODE_CAST (encode));
}
static void
gst_vaapiencode_jpeg_init (GstVaapiEncodeJpeg * encode)
{
gst_vaapiencode_init_properties (GST_VAAPIENCODE_CAST (encode));
}
static void
gst_vaapiencode_h265_init (GstVaapiEncodeH265 * encode)
{
gst_vaapiencode_init_properties (GST_VAAPIENCODE_CAST (encode));
}
static void
gst_vaapiencode_vp9_init (GstVaapiEncodeVP9 * encode)
{
gst_vaapiencode_init_properties (GST_VAAPIENCODE_CAST (encode));
}
static gboolean
gst_vaapiencode_sink_event (GstVideoEncoder * venc, GstEvent * event)
{
GstVaapiEncode *const encode = GST_VAAPIENCODE_CAST (venc);
GstPad *const srcpad = GST_VAAPI_PLUGIN_BASE_SRC_PAD (encode);
gboolean ret;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CUSTOM_DOWNSTREAM:{
const GstStructure *s = gst_event_get_structure (event);
if (gst_structure_has_name (s, "GstVaapiEncoderRegionOfInterest")) {
GstVaapiROI roi;
if (!encode->encoder)
return TRUE;
if (!gst_structure_get_uint (s, "roi-x", &roi.rect.x) ||
!gst_structure_get_uint (s, "roi-y", &roi.rect.y) ||
!gst_structure_get_uint (s, "roi-width", &roi.rect.width) ||
!gst_structure_get_uint (s, "roi-height", &roi.rect.height) ||
!gst_structure_get_int (s, "roi-value", &roi.roi_value)) {
return TRUE;
}
if (roi.roi_value == 0) {
ret = gst_vaapi_encoder_del_roi (encode->encoder, &roi);
if (ret) {
GST_INFO_OBJECT (venc, "ROI: region with %d/%d/%d/%d is removed",
roi.rect.x, roi.rect.y, roi.rect.width, roi.rect.height);
}
} else {
ret = gst_vaapi_encoder_add_roi (encode->encoder, &roi);
if (ret) {
GST_INFO_OBJECT (venc, "ROI: region with %d/%d/%d/%d is added",
roi.rect.x, roi.rect.y, roi.rect.width, roi.rect.height);
}
}
gst_event_unref (event);
return ret;
}
break;
}
default:
break;
}
ret = GST_VIDEO_ENCODER_CLASS (gst_vaapiencode_parent_class)->sink_event
(venc, event);
if (!ret)
return FALSE;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_START:
gst_pad_pause_task (srcpad);
break;
case GST_EVENT_FLUSH_STOP:
ret = gst_pad_start_task (srcpad,
(GstTaskFunction) gst_vaapiencode_buffer_loop, encode, NULL);
break;
default:
break;
}
return ret;
}
static GstFlowReturn
gst_vaapiencode_handle_frame (GstVideoEncoder * venc,
GstVideoCodecFrame * frame)
{
GstVaapiEncode *const encode = GST_VAAPIENCODE_CAST (venc);
GstVaapiEncoderStatus status;
GstVaapiVideoMeta *meta;
GstVaapiSurfaceProxy *proxy;
GstFlowReturn ret;
GstBuffer *buf;
buf = NULL;
ret = gst_vaapi_plugin_base_get_input_buffer (GST_VAAPI_PLUGIN_BASE (encode),
frame->input_buffer, &buf);
if (ret != GST_FLOW_OK)
goto error_buffer_invalid;
gst_buffer_replace (&frame->input_buffer, buf);
gst_buffer_unref (buf);
meta = gst_buffer_get_vaapi_video_meta (buf);
if (!meta)
goto error_buffer_no_meta;
proxy = gst_vaapi_video_meta_get_surface_proxy (meta);
if (!proxy)
goto error_buffer_no_surface_proxy;
gst_video_codec_frame_set_user_data (frame,
gst_vaapi_surface_proxy_ref (proxy),
(GDestroyNotify) gst_vaapi_surface_proxy_unref);
GST_VIDEO_ENCODER_STREAM_UNLOCK (encode);
status = gst_vaapi_encoder_put_frame (encode->encoder, frame);
GST_VIDEO_ENCODER_STREAM_LOCK (encode);
if (status < GST_VAAPI_ENCODER_STATUS_SUCCESS)
goto error_encode_frame;
gst_video_codec_frame_unref (frame);
return GST_FLOW_OK;
/* ERRORS */
error_buffer_invalid:
{
if (buf)
gst_buffer_unref (buf);
gst_video_codec_frame_unref (frame);
return ret;
}
error_buffer_no_meta:
{
GST_ERROR ("failed to get GstVaapiVideoMeta information");
gst_video_codec_frame_unref (frame);
return GST_FLOW_ERROR;
}
error_buffer_no_surface_proxy:
{
GST_ERROR ("failed to get VA surface proxy");
gst_video_codec_frame_unref (frame);
return GST_FLOW_ERROR;
}
error_encode_frame:
{
GST_ERROR ("failed to encode frame %d (status %d)",
frame->system_frame_number, status);
gst_video_codec_frame_unref (frame);
return GST_FLOW_ERROR;
}
}
static gboolean
gst_vaapiencode_start (GstVideoEncoder * venc)
{
return ensure_encoder (GST_VAAPIENCODE_CAST (venc));
}
static gboolean
gst_vaapiencode_stop (GstVideoEncoder * venc)
{
return gst_vaapiencode_destroy (GST_VAAPIENCODE_CAST (venc));
}
