mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2025-04-01 13:49:58 +00:00
kmssink: support videooverlay interface
Implement videooverlay interface in kmssink, divided into two cases: when driver supports scale, then we do refresh in show_frame(); if not, send a reconfigure event to upstream and re-negotiate, using the new size. https://bugzilla.gnome.org/show_bug.cgi?id=784599
This commit is contained in:
Haihua Hu
Nicolas Dufresne
parent
ff9a4390cb
commit
b24bb73101
2 changed files with 172 additions and 14 deletions
|
|
@ -43,6 +43,7 @@
|
|||
#endif
|
||||
|
||||
#include <gst/video/video.h>
|
||||
#include <gst/video/videooverlay.h>
|
||||
#include <gst/allocators/gstdmabuf.h>
|
||||
|
||||
#include <drm.h>
|
||||
|
|
@ -64,13 +65,18 @@ GST_DEBUG_CATEGORY_STATIC (gst_kms_sink_debug);
|
|||
GST_DEBUG_CATEGORY_STATIC (CAT_PERFORMANCE);
|
||||
#define GST_CAT_DEFAULT gst_kms_sink_debug
|
||||
|
||||
static GstFlowReturn gst_kms_sink_show_frame (GstVideoSink * vsink,
|
||||
GstBuffer * buf);
|
||||
static void gst_kms_sink_video_overlay_init (GstVideoOverlayInterface * iface);
|
||||
static void gst_kms_sink_drain (GstKMSSink * self);
|
||||
|
||||
#define parent_class gst_kms_sink_parent_class
|
||||
G_DEFINE_TYPE_WITH_CODE (GstKMSSink, gst_kms_sink, GST_TYPE_VIDEO_SINK,
|
||||
GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, GST_PLUGIN_NAME, 0,
|
||||
GST_PLUGIN_DESC);
|
||||
GST_DEBUG_CATEGORY_GET (CAT_PERFORMANCE, "GST_PERFORMANCE"));
|
||||
|
||||
static void gst_kms_sink_drain (GstKMSSink * self);
|
||||
GST_DEBUG_CATEGORY_GET (CAT_PERFORMANCE, "GST_PERFORMANCE");
|
||||
G_IMPLEMENT_INTERFACE (GST_TYPE_VIDEO_OVERLAY,
|
||||
gst_kms_sink_video_overlay_init));
|
||||
|
||||
enum
|
||||
{
|
||||
|
|
@ -85,6 +91,84 @@ enum
|
|||
|
||||
static GParamSpec *g_properties[PROP_N] = { NULL, };
|
||||
|
||||
static void
|
||||
gst_kms_sink_set_render_rectangle (GstVideoOverlay * overlay,
|
||||
gint x, gint y, gint width, gint height)
|
||||
{
|
||||
GstKMSSink *self = GST_KMS_SINK (overlay);
|
||||
|
||||
if (width == -1 && height == -1) {
|
||||
x = 0;
|
||||
y = 0;
|
||||
width = self->hdisplay;
|
||||
height = self->vdisplay;
|
||||
}
|
||||
|
||||
if (width <= 0 || height <= 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
GST_OBJECT_LOCK (self);
|
||||
if (self->can_scale) {
|
||||
self->render_rect.x = x;
|
||||
self->render_rect.y = y;
|
||||
self->render_rect.w = width;
|
||||
self->render_rect.h = height;
|
||||
} else {
|
||||
GstVideoRectangle src = { 0, };
|
||||
GstVideoRectangle dst = { 0, };
|
||||
GstVideoRectangle result;
|
||||
|
||||
src.w = GST_VIDEO_INFO_WIDTH (&self->vinfo);
|
||||
src.h = GST_VIDEO_INFO_HEIGHT (&self->vinfo);
|
||||
|
||||
dst.w = width;
|
||||
dst.h = height;
|
||||
|
||||
if (src.w != dst.w || src.h != dst.h)
|
||||
self->reconfigure = TRUE;
|
||||
|
||||
gst_video_sink_center_rect (src, dst, &result, TRUE);
|
||||
|
||||
self->pending_rect.x = x + result.x;
|
||||
self->pending_rect.y = y + result.y;
|
||||
self->pending_rect.w = result.w;
|
||||
self->pending_rect.h = result.h;
|
||||
|
||||
GST_DEBUG_OBJECT (self, "pending resize to (%d,%d)-(%dx%d)",
|
||||
self->pending_rect.x, self->pending_rect.y,
|
||||
self->pending_rect.w, self->pending_rect.h);
|
||||
}
|
||||
GST_OBJECT_UNLOCK (self);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_kms_sink_expose (GstVideoOverlay * overlay)
|
||||
{
|
||||
GstKMSSink *self = GST_KMS_SINK (overlay);
|
||||
|
||||
if (!self->can_scale) {
|
||||
GST_OBJECT_LOCK (self);
|
||||
if (self->reconfigure) {
|
||||
GST_OBJECT_UNLOCK (self);
|
||||
gst_pad_push_event (GST_BASE_SINK_PAD (self),
|
||||
gst_event_new_reconfigure ());
|
||||
} else {
|
||||
/* size of the rectangle does not change, only the (x,y) position changes */
|
||||
self->render_rect = self->pending_rect;
|
||||
GST_OBJECT_UNLOCK (self);
|
||||
}
|
||||
}
|
||||
gst_kms_sink_show_frame (GST_VIDEO_SINK (self), NULL);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_kms_sink_video_overlay_init (GstVideoOverlayInterface * iface)
|
||||
{
|
||||
iface->expose = gst_kms_sink_expose;
|
||||
iface->set_render_rectangle = gst_kms_sink_set_render_rectangle;
|
||||
}
|
||||
|
||||
static int
|
||||
kms_open (gchar ** driver)
|
||||
{
|
||||
|
|
@ -573,8 +657,10 @@ retry_find_plane:
|
|||
GST_INFO_OBJECT (self, "connector id = %d / crtc id = %d / plane id = %d",
|
||||
self->conn_id, self->crtc_id, self->plane_id);
|
||||
|
||||
self->hdisplay = crtc->mode.hdisplay;
|
||||
self->vdisplay = crtc->mode.vdisplay;
|
||||
self->render_rect.x = 0;
|
||||
self->render_rect.y = 0;
|
||||
self->hdisplay = self->render_rect.w = crtc->mode.hdisplay;
|
||||
self->vdisplay = self->render_rect.h = crtc->mode.vdisplay;
|
||||
self->buffer_id = crtc->buffer_id;
|
||||
|
||||
self->mm_width = conn->mmWidth;
|
||||
|
|
@ -719,13 +805,31 @@ gst_kms_sink_get_caps (GstBaseSink * bsink, GstCaps * filter)
|
|||
self = GST_KMS_SINK (bsink);
|
||||
|
||||
caps = gst_kms_sink_get_allowed_caps (self);
|
||||
|
||||
GST_OBJECT_LOCK (self);
|
||||
if (caps && self->reconfigure) {
|
||||
GstStructure *s0, *s1;
|
||||
guint dpy_par_n, dpy_par_d;
|
||||
|
||||
gst_video_calculate_device_ratio (self->hdisplay, self->vdisplay,
|
||||
self->mm_width, self->mm_height, &dpy_par_n, &dpy_par_d);
|
||||
|
||||
caps = gst_caps_make_writable (caps);
|
||||
s0 = gst_caps_get_structure (caps, 0);
|
||||
s1 = gst_structure_copy (gst_caps_get_structure (caps, 0));
|
||||
|
||||
gst_structure_set (s0, "width", G_TYPE_INT, self->pending_rect.w,
|
||||
"height", G_TYPE_INT, self->pending_rect.h, NULL);
|
||||
gst_caps_append_structure (caps, s1);
|
||||
}
|
||||
GST_OBJECT_UNLOCK (self);
|
||||
|
||||
if (caps && filter) {
|
||||
out_caps = gst_caps_intersect_full (caps, filter, GST_CAPS_INTERSECT_FIRST);
|
||||
gst_caps_unref (caps);
|
||||
} else {
|
||||
out_caps = caps;
|
||||
}
|
||||
|
||||
return out_caps;
|
||||
}
|
||||
|
||||
|
|
@ -787,8 +891,14 @@ gst_kms_sink_calculate_display_ratio (GstKMSSink * self, GstVideoInfo * vinfo)
|
|||
video_par_n = GST_VIDEO_INFO_PAR_N (vinfo);
|
||||
video_par_d = GST_VIDEO_INFO_PAR_D (vinfo);
|
||||
|
||||
gst_video_calculate_device_ratio (self->hdisplay, self->vdisplay,
|
||||
self->mm_width, self->mm_height, &dpy_par_n, &dpy_par_d);
|
||||
if (self->can_scale) {
|
||||
gst_video_calculate_device_ratio (self->hdisplay, self->vdisplay,
|
||||
self->mm_width, self->mm_height, &dpy_par_n, &dpy_par_d);
|
||||
} else {
|
||||
GST_VIDEO_SINK_WIDTH (self) = video_width;
|
||||
GST_VIDEO_SINK_HEIGHT (self) = video_height;
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (!gst_video_calculate_display_ratio (&dar_n, &dar_d, video_width,
|
||||
video_height, video_par_n, video_par_d, dpy_par_n, dpy_par_d))
|
||||
|
|
@ -819,6 +929,8 @@ gst_kms_sink_calculate_display_ratio (GstKMSSink * self, GstVideoInfo * vinfo)
|
|||
gst_util_uint64_scale_int (video_height, dar_n, dar_d);
|
||||
GST_VIDEO_SINK_HEIGHT (self) = video_height;
|
||||
}
|
||||
|
||||
out:
|
||||
GST_DEBUG_OBJECT (self, "scaling to %dx%d", GST_VIDEO_SINK_WIDTH (self),
|
||||
GST_VIDEO_SINK_HEIGHT (self));
|
||||
|
||||
|
|
@ -868,6 +980,13 @@ gst_kms_sink_set_caps (GstBaseSink * bsink, GstCaps * caps)
|
|||
|
||||
self->vinfo = vinfo;
|
||||
|
||||
GST_OBJECT_LOCK (self);
|
||||
if (self->reconfigure) {
|
||||
self->reconfigure = FALSE;
|
||||
self->render_rect = self->pending_rect;
|
||||
}
|
||||
GST_OBJECT_UNLOCK (self);
|
||||
|
||||
GST_DEBUG_OBJECT (self, "negotiated caps = %" GST_PTR_FORMAT, caps);
|
||||
|
||||
return TRUE;
|
||||
|
|
@ -1232,7 +1351,7 @@ static GstFlowReturn
|
|||
gst_kms_sink_show_frame (GstVideoSink * vsink, GstBuffer * buf)
|
||||
{
|
||||
gint ret;
|
||||
GstBuffer *buffer;
|
||||
GstBuffer *buffer = NULL;
|
||||
guint32 fb_id;
|
||||
GstKMSSink *self;
|
||||
GstVideoCropMeta *crop;
|
||||
|
|
@ -1245,7 +1364,11 @@ gst_kms_sink_show_frame (GstVideoSink * vsink, GstBuffer * buf)
|
|||
|
||||
res = GST_FLOW_ERROR;
|
||||
|
||||
buffer = gst_kms_sink_get_input_buffer (self, buf);
|
||||
if (buf)
|
||||
buffer = gst_kms_sink_get_input_buffer (self, buf);
|
||||
else if (self->last_buffer)
|
||||
buffer = gst_buffer_ref (self->last_buffer);
|
||||
|
||||
if (!buffer)
|
||||
return GST_FLOW_ERROR;
|
||||
fb_id = gst_kms_memory_get_fb_id (gst_buffer_peek_memory (buffer, 0));
|
||||
|
|
@ -1254,6 +1377,7 @@ gst_kms_sink_show_frame (GstVideoSink * vsink, GstBuffer * buf)
|
|||
|
||||
GST_TRACE_OBJECT (self, "displaying fb %d", fb_id);
|
||||
|
||||
GST_OBJECT_LOCK (self);
|
||||
if (self->modesetting_enabled) {
|
||||
self->buffer_id = fb_id;
|
||||
goto sync_frame;
|
||||
|
|
@ -1274,12 +1398,15 @@ gst_kms_sink_show_frame (GstVideoSink * vsink, GstBuffer * buf)
|
|||
src.w = GST_VIDEO_SINK_WIDTH (self);
|
||||
src.h = GST_VIDEO_SINK_HEIGHT (self);
|
||||
|
||||
dst.w = self->hdisplay;
|
||||
dst.h = self->vdisplay;
|
||||
dst.w = self->render_rect.w;
|
||||
dst.h = self->render_rect.h;
|
||||
|
||||
retry_set_plane:
|
||||
gst_video_sink_center_rect (src, dst, &result, self->can_scale);
|
||||
|
||||
result.x += self->render_rect.x;
|
||||
result.y += self->render_rect.y;
|
||||
|
||||
if (crop) {
|
||||
src.w = crop->width;
|
||||
src.h = crop->height;
|
||||
|
|
@ -1288,6 +1415,24 @@ retry_set_plane:
|
|||
src.h = GST_VIDEO_INFO_HEIGHT (&self->vinfo);
|
||||
}
|
||||
|
||||
/* handle out of screen case */
|
||||
if ((result.x + result.w) > self->hdisplay)
|
||||
result.w = self->hdisplay - result.x;
|
||||
|
||||
if ((result.y + result.h) > self->vdisplay)
|
||||
result.h = self->vdisplay - result.y;
|
||||
|
||||
if (result.w <= 0 || result.h <= 0) {
|
||||
GST_WARNING_OBJECT (self, "video is out of display range");
|
||||
goto sync_frame;
|
||||
}
|
||||
|
||||
/* to make sure it can be show when driver don't support scale */
|
||||
if (!self->can_scale) {
|
||||
src.w = result.w;
|
||||
src.h = result.h;
|
||||
}
|
||||
|
||||
GST_TRACE_OBJECT (self,
|
||||
"drmModeSetPlane at (%i,%i) %ix%i sourcing at (%i,%i) %ix%i",
|
||||
result.x, result.y, result.w, result.h, src.x, src.y, src.w, src.h);
|
||||
|
|
@ -1306,12 +1451,16 @@ retry_set_plane:
|
|||
|
||||
sync_frame:
|
||||
/* Wait for the previous frame to complete redraw */
|
||||
if (!gst_kms_sink_sync (self))
|
||||
if (!gst_kms_sink_sync (self)) {
|
||||
GST_OBJECT_UNLOCK (self);
|
||||
goto bail;
|
||||
}
|
||||
|
||||
gst_buffer_replace (&self->last_buffer, buffer);
|
||||
if (buffer != self->last_buffer)
|
||||
gst_buffer_replace (&self->last_buffer, buffer);
|
||||
g_clear_pointer (&self->tmp_kmsmem, gst_memory_unref);
|
||||
|
||||
GST_OBJECT_UNLOCK (self);
|
||||
res = GST_FLOW_OK;
|
||||
|
||||
bail:
|
||||
|
|
@ -1326,6 +1475,7 @@ buffer_invalid:
|
|||
}
|
||||
set_plane_failed:
|
||||
{
|
||||
GST_OBJECT_UNLOCK (self);
|
||||
GST_DEBUG_OBJECT (self, "result = { %d, %d, %d, %d} / "
|
||||
"src = { %d, %d, %d %d } / dst = { %d, %d, %d %d }", result.x, result.y,
|
||||
result.w, result.h, src.x, src.y, src.w, src.h, dst.x, dst.y, dst.w,
|
||||
|
|
@ -1336,6 +1486,7 @@ set_plane_failed:
|
|||
}
|
||||
no_disp_ratio:
|
||||
{
|
||||
GST_OBJECT_UNLOCK (self);
|
||||
GST_ELEMENT_ERROR (self, CORE, NEGOTIATION, (NULL),
|
||||
("Error calculating the output display ratio of the video."));
|
||||
goto bail;
|
||||
|
|
|
|||
|
|
@ -80,6 +80,13 @@ struct _GstKMSSink {
|
|||
|
||||
GstPoll *poll;
|
||||
GstPollFD pollfd;
|
||||
|
||||
/* render video rectangle */
|
||||
GstVideoRectangle render_rect;
|
||||
|
||||
/* reconfigure info if driver doesn't scale */
|
||||
GstVideoRectangle pending_rect;
|
||||
gboolean reconfigure;
|
||||
};
|
||||
|
||||
struct _GstKMSSinkClass {
|
||||
|
|
|
|||
Loading…
Reference in a new issue