static gboolean
sync_bus_call (GstBus * bus, GstMessage * msg, gpointer data)
{
switch (GST_MESSAGE_TYPE (msg)) {
case GST_MESSAGE_NEED_CONTEXT:
{
const gchar *context_type;
gst_message_parse_context_type (msg, &context_type);
g_print ("got need context %s\n", context_type);
if (g_strcmp0 (context_type, GST_GL_DISPLAY_CONTEXT_TYPE) == 0) {
GstContext *display_context =
gst_context_new (GST_GL_DISPLAY_CONTEXT_TYPE, TRUE);
gst_context_set_gl_display (display_context, sdl_gl_display);
gst_element_set_context (GST_ELEMENT (msg->src), display_context);
return TRUE;
} else if (g_strcmp0 (context_type, "gst.gl.app_context") == 0) {
GstContext *app_context = gst_context_new ("gst.gl.app_context", TRUE);
GstStructure *s = gst_context_writable_structure (app_context);
gst_structure_set (s, "context", GST_GL_TYPE_CONTEXT, sdl_context,
NULL);
gst_element_set_context (GST_ELEMENT (msg->src), app_context);
return TRUE;
}
break;
}
default:
break;
}
return FALSE;
}
void MediaPlayerPrivateGStreamerBase::handleNeedContextMessage(GstMessage* message)
{
#if USE(GSTREAMER_GL)
const gchar* contextType;
gst_message_parse_context_type(message, &contextType);
if (!ensureGstGLContext())
return;
if (!g_strcmp0(contextType, GST_GL_DISPLAY_CONTEXT_TYPE)) {
GstContext* displayContext = gst_context_new(GST_GL_DISPLAY_CONTEXT_TYPE, TRUE);
gst_context_set_gl_display(displayContext, m_glDisplay.get());
gst_element_set_context(GST_ELEMENT(message->src), displayContext);
return;
}
if (!g_strcmp0(contextType, "gst.gl.app_context")) {
GstContext* appContext = gst_context_new("gst.gl.app_context", TRUE);
GstStructure* structure = gst_context_writable_structure(appContext);
gst_structure_set(structure, "context", GST_GL_TYPE_CONTEXT, m_glContext.get(), nullptr);
gst_element_set_context(GST_ELEMENT(message->src), appContext);
return;
}
#else
UNUSED_PARAM(message);
#endif // USE(GSTREAMER_GL)
}
GstQuery *
gst_vulkan_local_context_query (GstElement * element,
const gchar * context_type, gboolean set_context)
{
GstQuery *query;
GstContext *ctxt;
_init_context_debug ();
/* 2a) Query downstream with GST_QUERY_CONTEXT for the context and
* check if downstream already has a context of the specific type
* 2b) Query upstream as above.
*/
query = gst_query_new_context (context_type);
if (gst_vulkan_run_query (element, query, GST_PAD_SRC)) {
gst_query_parse_context (query, &ctxt);
GST_CAT_INFO_OBJECT (GST_CAT_CONTEXT, element,
"found context (%p) in downstream query", ctxt);
if (set_context)
gst_element_set_context (element, ctxt);
} else if (gst_vulkan_run_query (element, query, GST_PAD_SINK)) {
gst_query_parse_context (query, &ctxt);
GST_CAT_INFO_OBJECT (GST_CAT_CONTEXT, element,
"found context (%p) in upstream query", ctxt);
if (set_context)
gst_element_set_context (element, ctxt);
} else {
gst_query_unref (query);
query = NULL;
}
return query;
}
static void
test_audio_context_configures_buffer_size (BT_TEST_ARGS)
{
BT_TEST_START;
GST_INFO ("-- arrange --");
GstElement *p =
gst_parse_launch
("buzztrax-test-audio-synth name=\"src\" num-buffers=1 ! fakesink async=false",
NULL);
BtTestAudioSynth *e =
(BtTestAudioSynth *) gst_bin_get_by_name (GST_BIN (p), "src");
GstBus *bus = gst_element_get_bus (p);
GST_INFO ("-- act --");
gst_element_set_state (p, GST_STATE_READY);
gst_element_set_context (p, ctx);
gst_element_set_state (p, GST_STATE_PLAYING);
gst_bus_poll (bus, GST_MESSAGE_EOS | GST_MESSAGE_ERROR, GST_CLOCK_TIME_NONE);
GST_INFO ("-- assert --");
BufferFields *bf = get_buffer_info (e, 0);
// sizeof(gint16) * (int)(0.5 + (44100 * (60.0 / 8)) / (120 * 4))
ck_assert_uint_eq (bf->size, 1378);
GST_INFO ("-- cleanup --");
gst_element_set_state (p, GST_STATE_NULL);
gst_object_unref (bus);
gst_object_unref (e);
gst_object_unref (p);
BT_TEST_END;
}
static void
_gst_context_query (GstElement * element, const gchar * display_type)
{
GstQuery *query;
GstContext *ctxt;
_init_context_debug ();
/* 2a) Query downstream with GST_QUERY_CONTEXT for the context and
* check if downstream already has a context of the specific type
* 2b) Query upstream as above.
*/
query = gst_query_new_context (display_type);
if (gst_gl_run_query (element, query, GST_PAD_SRC)) {
gst_query_parse_context (query, &ctxt);
GST_CAT_INFO_OBJECT (GST_CAT_CONTEXT, element,
"found context (%p) in downstream query", ctxt);
gst_element_set_context (element, ctxt);
} else if (gst_gl_run_query (element, query, GST_PAD_SINK)) {
gst_query_parse_context (query, &ctxt);
GST_CAT_INFO_OBJECT (GST_CAT_CONTEXT, element,
"found context (%p) in upstream query", ctxt);
gst_element_set_context (element, ctxt);
} else {
/* 3) Post a GST_MESSAGE_NEED_CONTEXT message on the bus with
* the required context type and afterwards check if a
* usable context was set now as in 1). The message could
* be handled by the parent bins of the element and the
* application.
*/
GstMessage *msg;
GST_CAT_INFO_OBJECT (GST_CAT_CONTEXT, element,
"posting need context message");
msg = gst_message_new_need_context (GST_OBJECT_CAST (element),
display_type);
gst_element_post_message (element, msg);
}
/*
* Whomever responds to the need-context message performs a
* GstElement::set_context() with the required context in which the element
* is required to update the display_ptr or call gst_gl_handle_set_context().
*/
gst_query_unref (query);
}
static GstStateChangeReturn
gst_context_element_change_state (GstElement * element,
GstStateChange transition)
{
GstContextElement *celement = (GstContextElement *) element;
if (transition == GST_STATE_CHANGE_NULL_TO_READY) {
GstContext *context;
GstMessage *msg;
gboolean have_foobar = celement->have_foobar;
if (celement->set_before_ready && !have_foobar)
return GST_STATE_CHANGE_FAILURE;
else if (celement->set_before_ready)
return
GST_ELEMENT_CLASS (gst_context_element_parent_class)->change_state
(element, transition);
if (celement->set_from_need_context && have_foobar)
return GST_STATE_CHANGE_FAILURE;
if (!have_foobar) {
/* Here we would first query downstream for a context but we have no pads */
msg = gst_message_new_need_context (GST_OBJECT (element), "foobar");
gst_element_post_message (element, msg);
have_foobar = celement->have_foobar;
}
if (celement->set_from_need_context && !have_foobar)
return GST_STATE_CHANGE_FAILURE;
else if (celement->set_from_need_context)
return
GST_ELEMENT_CLASS (gst_context_element_parent_class)->change_state
(element, transition);
if (celement->create_self && have_foobar)
return GST_STATE_CHANGE_FAILURE;
if (!have_foobar) {
context = gst_context_new ("foobar", FALSE);
gst_element_set_context (element, context);
msg =
gst_message_new_have_context (GST_OBJECT (element),
gst_context_ref (context));
gst_element_post_message (element, msg);
gst_context_unref (context);
}
return
GST_ELEMENT_CLASS (gst_context_element_parent_class)->change_state
(element, transition);
}
return
GST_ELEMENT_CLASS (gst_context_element_parent_class)->change_state
(element, transition);
}
/*
* @element: (transfer none):
* @context: (transfer full):
*/
static void
_vk_context_propagate (GstElement * element, GstContext * context)
{
GstMessage *msg;
_init_context_debug ();
gst_element_set_context (element, context);
GST_CAT_INFO_OBJECT (GST_CAT_CONTEXT, element,
"posting have context (%" GST_PTR_FORMAT ") message", context);
msg = gst_message_new_have_context (GST_OBJECT_CAST (element), context);
gst_element_post_message (GST_ELEMENT_CAST (element), msg);
}
/* 5) Create a context by itself and post a GST_MESSAGE_HAVE_CONTEXT message
on the bus. */
void
gst_vaapi_video_context_propagate (GstElement * element,
GstVaapiDisplay * display)
{
GstContext *context;
GstMessage *msg;
context = gst_vaapi_video_context_new_with_display (display, FALSE);
gst_element_set_context (element, context);
_init_context_debug ();
GST_CAT_INFO_OBJECT (GST_CAT_CONTEXT, element,
"posting `have-context' (%p) message with display (%p)",
context, display);
msg = gst_message_new_have_context (GST_OBJECT_CAST (element), context);
gst_element_post_message (GST_ELEMENT_CAST (element), msg);
}
static GstBusSyncReply
sync_handler (GstBus * bus, GstMessage * message, gpointer user_data)
{
if (GST_MESSAGE_TYPE (message) == GST_MESSAGE_NEED_CONTEXT) {
const gchar *type;
GstElement *element = GST_ELEMENT (GST_MESSAGE_SRC (message));
GstContext *context;
fail_unless (gst_message_parse_context_type (message, &type));
fail_unless_equals_string (type, "foobar");
context = gst_context_new ("foobar", FALSE);
gst_element_set_context (element, context);
gst_context_unref (context);
}
return GST_BUS_PASS;
}
static gboolean
_gst_context_get_from_query (GstElement * element, GstQuery * query,
GstPadDirection direction)
{
GstContext *ctxt;
if (!_gst_context_run_query (element, query, direction))
return FALSE;
gst_query_parse_context (query, &ctxt);
if (!ctxt)
return FALSE;
GST_CAT_INFO_OBJECT (GST_CAT_CONTEXT, element,
"found context (%" GST_PTR_FORMAT ") in %s query", ctxt,
direction == GST_PAD_SRC ? "downstream" : "upstream");
gst_element_set_context (element, ctxt);
return TRUE;
}
static void
test_num_buffers_with_stop_pos (BT_TEST_ARGS)
{
BT_TEST_START;
GST_INFO ("-- arrange --");
GstElement *p =
gst_parse_launch
("buzztrax-test-audio-synth name=\"src\" ! fakesink async=false",
NULL);
BtTestAudioSynth *e =
(BtTestAudioSynth *) gst_bin_get_by_name (GST_BIN (p), "src");
GstBus *bus = gst_element_get_bus (p);
GstSeekFlags seek_flags[] = {
GST_SEEK_FLAG_FLUSH, GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_SEGMENT
};
GstMessageType end_msg[] = {
GST_MESSAGE_EOS, GST_MESSAGE_SEGMENT_DONE
};
GST_INFO ("-- act --");
gst_element_set_state (p, GST_STATE_READY);
gst_element_set_context (p, ctx);
gst_element_set_state (p, GST_STATE_PAUSED);
gst_element_get_state (p, NULL, NULL, GST_CLOCK_TIME_NONE);
gst_element_seek (p, 1.0, GST_FORMAT_TIME, seek_flags[_i],
GST_SEEK_TYPE_SET, G_GUINT64_CONSTANT (0),
GST_SEEK_TYPE_SET, ticktime * 2);
gst_element_set_state (p, GST_STATE_PLAYING);
gst_element_get_state (p, NULL, NULL, GST_CLOCK_TIME_NONE);
gst_bus_poll (bus, end_msg[_i] | GST_MESSAGE_ERROR, GST_CLOCK_TIME_NONE);
GST_INFO ("-- assert --");
gint num_buffers = g_list_length (e->buffer_info);
ck_assert_uint_eq (num_buffers, 2);
GST_INFO ("-- cleanup --");
gst_element_set_state (p, GST_STATE_NULL);
gst_object_unref (e);
gst_object_unref (p);
BT_TEST_END;
}
/* 4) Create a context by itself and post a GST_MESSAGE_HAVE_CONTEXT
* message.
*/
static void
gst_gl_display_context_propagate (GstElement * element, GstGLDisplay * display)
{
GstContext *context;
GstMessage *msg;
if (!display) {
GST_ERROR_OBJECT (element, "Could not get GL display connection");
return;
}
_init_context_debug ();
context = gst_context_new (GST_GL_DISPLAY_CONTEXT_TYPE, TRUE);
gst_context_set_gl_display (context, display);
gst_element_set_context (element, context);
GST_CAT_INFO_OBJECT (GST_CAT_CONTEXT, element,
"posting have context (%p) message with display (%p)", context, display);
msg = gst_message_new_have_context (GST_OBJECT_CAST (element), context);
gst_element_post_message (GST_ELEMENT_CAST (element), msg);
}
static void
test_last_buffer_is_clipped (BT_TEST_ARGS)
{
BT_TEST_START;
GST_INFO ("-- arrange --");
GstElement *p =
gst_parse_launch
("buzztrax-test-audio-synth name=\"src\" ! fakesink async=false",
NULL);
BtTestAudioSynth *e =
(BtTestAudioSynth *) gst_bin_get_by_name (GST_BIN (p), "src");
GstBus *bus = gst_element_get_bus (p);
GST_INFO ("-- act --");
gst_element_set_state (p, GST_STATE_READY);
gst_element_set_context (p, ctx);
gst_element_set_state (p, GST_STATE_PAUSED);
gst_element_get_state (p, NULL, NULL, GST_CLOCK_TIME_NONE);
gst_element_seek (p, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
GST_SEEK_TYPE_SET, G_GUINT64_CONSTANT (0),
GST_SEEK_TYPE_SET, ticktime * 1.5);
gst_element_set_state (p, GST_STATE_PLAYING);
gst_element_get_state (p, NULL, NULL, GST_CLOCK_TIME_NONE);
gst_bus_poll (bus, GST_MESSAGE_EOS | GST_MESSAGE_ERROR, GST_CLOCK_TIME_NONE);
GST_INFO ("-- assert --");
BufferFields *bf0 = get_buffer_info (e, 0);
BufferFields *bf1 = get_buffer_info (e, 1);
ck_assert_uint64_le (bf1->duration, bf0->duration / 2);
ck_assert_uint_le (bf1->size, bf0->size / 2);
GST_INFO ("-- cleanup --");
gst_element_set_state (p, GST_STATE_NULL);
gst_object_unref (e);
gst_object_unref (p);
BT_TEST_END;
}
static void
test_backwards_last_buffer_ends_at_zero (BT_TEST_ARGS)
{
BT_TEST_START;
GST_INFO ("-- arrange --");
GstElement *p =
gst_parse_launch
("buzztrax-test-audio-synth name=\"src\" num-buffers=1 ! fakesink async=false",
NULL);
BtTestAudioSynth *e =
(BtTestAudioSynth *) gst_bin_get_by_name (GST_BIN (p), "src");
GstBus *bus = gst_element_get_bus (p);
GST_INFO ("-- act --");
gst_element_set_state (p, GST_STATE_READY);
gst_element_set_context (p, ctx);
gst_element_set_state (p, GST_STATE_PAUSED);
gst_element_get_state (p, NULL, NULL, GST_CLOCK_TIME_NONE);
gst_element_seek (p, -1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
GST_SEEK_TYPE_SET, G_GUINT64_CONSTANT (0), GST_SEEK_TYPE_SET, ticktime);
gst_element_set_state (p, GST_STATE_PLAYING);
gst_element_get_state (p, NULL, NULL, GST_CLOCK_TIME_NONE);
gst_bus_poll (bus, GST_MESSAGE_EOS | GST_MESSAGE_ERROR, GST_CLOCK_TIME_NONE);
GST_INFO ("-- assert --");
BufferFields *bf = get_buffer_info (e, 0);
ck_assert_uint64_eq (bf->ts, 0);
ck_assert_uint64_eq (bf->offset, 0);
GST_INFO ("-- cleanup --");
gst_element_set_state (p, GST_STATE_NULL);
gst_object_unref (e);
gst_object_unref (p);
BT_TEST_END;
}
