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tests/screen-cast: Test virtual stream resizing

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This test resizes the stream by updating the PipeWire stream properties.
This triggers a format negotiation, that results in the buffers being
reallocated with the new size. The test makes sure we eventually
receive this new size.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2270>
This commit is contained in:
Jonas Ådahl 2022-02-04 09:49:43 +01:00 committed by Marge Bot
parent c49037469a
commit 88cfd31f18
1 changed files with 49 additions and 2 deletions
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51
src/tests/screen-cast-client.c
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@ -369,10 +369,39 @@ stream_wait_for_streaming (Stream *stream)
static G_GNUC_UNUSED void static G_GNUC_UNUSED void
stream_wait_for_render (Stream *stream) stream_wait_for_render (Stream *stream)
{ {
while (stream->buffer_count == 0) int initial_buffer_count = stream->buffer_count;
while (stream->buffer_count == initial_buffer_count)
g_main_context_iteration (NULL, TRUE); g_main_context_iteration (NULL, TRUE);
} }
static void
stream_resize (Stream *stream,
int width,
int height)
{
uint8_t params_buffer[1024];
struct spa_pod_builder pod_builder;
const struct spa_pod *params[1];
struct spa_rectangle rect;
stream->target_width = width;
stream->target_height = height;
rect = SPA_RECTANGLE (width, height);
pod_builder = SPA_POD_BUILDER_INIT (params_buffer, sizeof (params_buffer));
params[0] = spa_pod_builder_add_object (
&pod_builder,
SPA_TYPE_OBJECT_Format, SPA_PARAM_EnumFormat,
SPA_FORMAT_VIDEO_size, SPA_POD_Rectangle (&rect),
0);
pw_stream_update_params (stream->pipewire_stream,
params, G_N_ELEMENTS (params));
}
static void static void
on_pipewire_stream_added (MetaDBusScreenCastStream *proxy, on_pipewire_stream_added (MetaDBusScreenCastStream *proxy,
unsigned int node_id, unsigned int node_id,
@ -558,13 +587,31 @@ main (int argc,
screen_cast = screen_cast_new (); screen_cast = screen_cast_new ();
session = screen_cast_create_session (screen_cast); session = screen_cast_create_session (screen_cast);
stream = session_record_virtual (session, 50, 50); stream = session_record_virtual (session, 50, 40);
session_start (session); session_start (session);
/* Check that we receive the initial frame */
stream_wait_for_node (stream); stream_wait_for_node (stream);
stream_wait_for_streaming (stream); stream_wait_for_streaming (stream);
stream_wait_for_render (stream); stream_wait_for_render (stream);
g_assert_cmpint (stream->spa_format.size.width, ==, 50);
g_assert_cmpint (stream->spa_format.size.height, ==, 40);
/* Check that resizing works */
stream_resize (stream, 70, 60);
while (TRUE)
{
stream_wait_for_render (stream);
if (stream->spa_format.size.width == 70 &&
stream->spa_format.size.height == 60)
break;
g_assert_cmpint (stream->spa_format.size.width, ==, 50);
g_assert_cmpint (stream->spa_format.size.height, ==, 40);
}
session_stop (session); session_stop (session);