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wayland: port to 0.11

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This commit is contained in:
Wim Taymans 2012-05-23 12:07:14 +02:00
parent 84fa5ec68d
commit bd49892d7e
2 changed files with 144 additions and 272 deletions
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371
ext/wayland/gstwaylandsink.c
View file

@ -3,7 +3,8 @@
*
* Copyright (C) 2011 Intel Corporation
* Copyright (C) 2011 Sreerenj Balachandran <sreerenj.balachandran@intel.com>
*
* Copyright (C) 2012 Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
@ -25,7 +26,7 @@
* The waylandsink is creating its own window and render the decoded video frames to that.
* Setup the Wayland environment as described in
* <ulink url="http://wayland.freedesktop.org/building.html">Wayland</ulink> home page.
* The current implementaion is based on weston compositor.
* The current implementaion is based on weston compositor.
*
* <refsect2>
* <title>Example pipelines</title>
@ -62,41 +63,67 @@ GST_DEBUG_CATEGORY (gstwayland_debug);
static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-raw-rgb, "
GST_STATIC_CAPS ("video/x-raw, "
"format = (string) BGRA, "
"framerate = (fraction) [ 0, MAX ], "
"endianness = (int) 4321,"
"red_mask = (int) 65280, "
"green_mask = (int) 16711680, "
"blue_mask = (int) -16777216,"
"width = (int) [ 1, MAX ], " "height = (int) [ 1, MAX ] "));
G_DEFINE_TYPE (GstWlBuffer, gst_wlbuffer, GST_TYPE_BUFFER);
/*Fixme: Add more interfaces */
GST_BOILERPLATE (GstWaylandSink, gst_wayland_sink, GstVideoSink,
GST_TYPE_VIDEO_SINK);
#define gst_wayland_sink_parent_class parent_class
G_DEFINE_TYPE (GstWaylandSink, gst_wayland_sink, GST_TYPE_VIDEO_SINK);
static void gst_wlbuffer_finalize (GstWlBuffer * wbuffer);
/* wl metadata */
GType
gst_wl_meta_api_get_type (void)
{
static volatile GType type;
static const gchar *tags[] =
{ "memory", "size", "colorspace", "orientation", NULL };
if (g_once_init_enter (&type)) {
GType _type = gst_meta_api_type_register ("GstWlMetaAPI", tags);
g_once_init_leave (&type, _type);
}
return type;
}
static void
gst_wl_meta_free (GstWlMeta * meta, GstBuffer * buffer)
{
gst_object_unref (meta->sink);
munmap (meta->data, meta->size);
wl_buffer_destroy (meta->wbuffer);
}
const GstMetaInfo *
gst_wl_meta_get_info (void)
{
static const GstMetaInfo *wl_meta_info = NULL;
if (wl_meta_info == NULL) {
wl_meta_info =
gst_meta_register (GST_WL_META_API_TYPE, "GstWlMeta",
sizeof (GstWlMeta), (GstMetaInitFunction) NULL,
(GstMetaFreeFunction) gst_wl_meta_free,
(GstMetaTransformFunction) NULL);
}
return wl_meta_info;
}
static void gst_wayland_sink_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec);
static void gst_wayland_sink_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec);
static void gst_wayland_sink_finalize (GObject * object);
static GstCaps *gst_wayland_sink_get_caps (GstBaseSink * bsink);
static GstCaps *gst_wayland_sink_get_caps (GstBaseSink * bsink,
GstCaps * filter);
static gboolean gst_wayland_sink_set_caps (GstBaseSink * bsink, GstCaps * caps);
static gboolean gst_wayland_sink_start (GstBaseSink * bsink);
static gboolean gst_wayland_sink_stop (GstBaseSink * bsink);
static GstFlowReturn
gst_wayland_sink_buffer_alloc (GstBaseSink * bsink, guint64 offset,
guint size, GstCaps * caps, GstBuffer ** buf);
static gboolean gst_wayland_sink_preroll (GstBaseSink * bsink,
GstBuffer * buffer);
static gboolean gst_wayland_sink_render (GstBaseSink * bsink,
GstBuffer * buffer);
static void gst_wayland_bufferpool_clear (GstWaylandSink * sink);
static void
gst_wayland_buffer_destroy (GstWaylandSink * sink, GstWlBuffer * buffer);
static int event_mask_update (uint32_t mask, void *data);
static struct display *create_display (void);
@ -106,80 +133,32 @@ static void redraw (void *data, struct wl_callback *callback, uint32_t time);
static void create_window (GstWaylandSink * sink, struct display *display,
int width, int height);
static void
gst_wlbuffer_init (GstWlBuffer * buffer)
{
buffer->wbuffer = NULL;
buffer->wlsink = NULL;
}
static void
gst_wlbuffer_class_init (GstWlBufferClass * klass)
{
GstMiniObjectClass *mini_object_class = GST_MINI_OBJECT_CLASS (klass);
mini_object_class->finalize = (GstMiniObjectFinalizeFunction)
gst_wlbuffer_finalize;
}
static void
gst_wlbuffer_finalize (GstWlBuffer * wbuffer)
{
GstWaylandSink *sink = NULL;
g_return_if_fail (wbuffer != NULL);
GST_DEBUG_OBJECT (sink, "Finalizing the WlBuffer");
sink = wbuffer->wlsink;
if (!sink) {
GST_WARNING_OBJECT (wbuffer, "No sink..");
goto beach;
}
GST_DEBUG_OBJECT (sink, "recycling buffer %p in pool", wbuffer);
/* need to increment the refcount again to recycle */
gst_buffer_ref (GST_BUFFER (wbuffer));
g_mutex_lock (sink->pool_lock);
sink->buffer_pool = g_slist_prepend (sink->buffer_pool, wbuffer);
g_mutex_unlock (sink->pool_lock);
beach:
return;
}
static void
gst_wayland_sink_base_init (gpointer gclass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (gclass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_template));
gst_element_class_set_details_simple (element_class,
"wayland video sink", "Sink/Video",
"Output to wayland surface",
"Sreerenj Balachandran <sreerenj.balachandran@intel.com>");
}
static void
gst_wayland_sink_class_init (GstWaylandSinkClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstBaseSinkClass *gstbasesink_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gstbasesink_class = (GstBaseSinkClass *) klass;
gobject_class->set_property = gst_wayland_sink_set_property;
gobject_class->get_property = gst_wayland_sink_get_property;
gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_wayland_sink_finalize);
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&sink_template));
gst_element_class_set_details_simple (gstelement_class,
"wayland video sink", "Sink/Video",
"Output to wayland surface",
"Sreerenj Balachandran <sreerenj.balachandran@intel.com>");
gstbasesink_class->get_caps = GST_DEBUG_FUNCPTR (gst_wayland_sink_get_caps);
gstbasesink_class->set_caps = GST_DEBUG_FUNCPTR (gst_wayland_sink_set_caps);
gstbasesink_class->start = GST_DEBUG_FUNCPTR (gst_wayland_sink_start);
gstbasesink_class->buffer_alloc =
GST_DEBUG_FUNCPTR (gst_wayland_sink_buffer_alloc);
gstbasesink_class->stop = GST_DEBUG_FUNCPTR (gst_wayland_sink_stop);
gstbasesink_class->preroll = GST_DEBUG_FUNCPTR (gst_wayland_sink_preroll);
gstbasesink_class->render = GST_DEBUG_FUNCPTR (gst_wayland_sink_render);
@ -188,24 +167,16 @@ gst_wayland_sink_class_init (GstWaylandSinkClass * klass)
g_param_spec_pointer ("wayland-display", "Wayland Display",
"Wayland Display handle created by the application ",
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
parent_class = g_type_class_peek_parent (klass);
}
static void
gst_wayland_sink_init (GstWaylandSink * sink,
GstWaylandSinkClass * wayland_sink_class)
gst_wayland_sink_init (GstWaylandSink * sink)
{
sink->caps = NULL;
sink->render_finish = TRUE;
sink->render_busy = FALSE;
sink->display = NULL;
sink->window = NULL;
sink->pool_lock = g_mutex_new ();
sink->buffer_pool = NULL;
sink->wayland_lock = g_mutex_new ();
g_mutex_init (&sink->wayland_lock);
}
static void
@ -279,24 +250,15 @@ gst_wayland_sink_finalize (GObject * object)
if (sink->display)
destroy_display (sink->display);
if (sink->pool_lock) {
g_mutex_free (sink->pool_lock);
sink->pool_lock = NULL;
}
if (sink->buffer_pool) {
gst_wayland_bufferpool_clear (sink);
}
g_mutex_free (sink->wayland_lock);
g_mutex_clear (&sink->wayland_lock);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static GstCaps *
gst_wayland_sink_get_caps (GstBaseSink * bsink)
gst_wayland_sink_get_caps (GstBaseSink * bsink, GstCaps * filter)
{
return gst_caps_copy (gst_static_pad_template_get_caps (&sink_template));
return gst_static_pad_template_get_caps (&sink_template);
}
static int
@ -363,26 +325,24 @@ create_display (void)
return display;
}
static GstWlBuffer *
static GstBuffer *
wayland_buffer_create (GstWaylandSink * sink)
{
char filename[1024];
int fd, size, stride;
static void *data;
static int init = 0;
GstWlBuffer *wbuffer;
GstBuffer *buffer;
GstWlMeta *wmeta;
GST_DEBUG_OBJECT (sink, "Creating wayland-shm buffers");
wbuffer = (GstWlBuffer *) gst_mini_object_new (GST_TYPE_WLBUFFER);
wbuffer->wlsink = gst_object_ref (sink);
snprintf (filename, 256, "%s-%d-%s", "/tmp/wayland-shm", init++, "XXXXXX");
fd = mkstemp (filename);
if (fd < 0) {
GST_ERROR_OBJECT (sink, "open %s failed:", filename);
exit (0);
return NULL;
}
stride = sink->video_width * 4;
@ -391,7 +351,7 @@ wayland_buffer_create (GstWaylandSink * sink)
if (ftruncate (fd, size) < 0) {
GST_ERROR_OBJECT (sink, "ftruncate failed:");
close (fd);
exit (0);
return NULL;
}
data = mmap (NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
@ -400,92 +360,25 @@ wayland_buffer_create (GstWaylandSink * sink)
GST_ELEMENT_ERROR (sink, LIBRARY, SHUTDOWN, (NULL),
("mmap() failed: %s", strerror (errno)));
close (fd);
exit (0);
return NULL;
}
wbuffer->wbuffer = wl_shm_create_buffer (sink->display->shm, fd,
buffer = gst_buffer_new ();
wmeta = (GstWlMeta *) gst_buffer_add_meta (buffer, GST_WL_META_INFO, NULL);
wmeta->sink = gst_object_ref (sink);
wmeta->wbuffer = wl_shm_create_buffer (sink->display->shm, fd,
sink->video_width, sink->video_height, stride, WL_SHM_FORMAT_XRGB8888);
wmeta->data = data;
wmeta->size = size;
close (fd);
GST_BUFFER_DATA (wbuffer) = data;
GST_BUFFER_SIZE (wbuffer) = size;
gst_buffer_append_memory (buffer,
gst_memory_new_wrapped (GST_MEMORY_FLAG_NO_SHARE, data,
size, 0, size, NULL, NULL));
return wbuffer;
}
static void
gst_wayland_buffer_destroy (GstWaylandSink * sink, GstWlBuffer * buffer)
{
if (buffer->wlsink) {
buffer->wlsink = NULL;
gst_object_unref (sink);
}
GST_MINI_OBJECT_CLASS (gst_wlbuffer_parent_class)->finalize (GST_MINI_OBJECT
(buffer));
}
static void
gst_wayland_bufferpool_clear (GstWaylandSink * sink)
{
g_mutex_lock (sink->pool_lock);
while (sink->buffer_pool) {
GstWlBuffer *buffer = sink->buffer_pool->data;
sink->buffer_pool = g_slist_delete_link (sink->buffer_pool,
sink->buffer_pool);
gst_wayland_buffer_destroy (sink, buffer);
}
g_mutex_unlock (sink->pool_lock);
}
static GstFlowReturn
gst_wayland_sink_buffer_alloc (GstBaseSink * bsink, guint64 offset, guint size,
GstCaps * caps, GstBuffer ** buf)
{
GstWaylandSink *sink = GST_WAYLAND_SINK (bsink);
GstWlBuffer *buffer = NULL;
GstFlowReturn ret = GST_FLOW_OK;
GstStructure *structure = NULL;
GstCaps *desired_caps = NULL;
GST_LOG_OBJECT (sink, "a buffer of %u bytes was requested with caps "
"%" GST_PTR_FORMAT " and offset %" G_GUINT64_FORMAT, size, caps, offset);
desired_caps = gst_caps_copy (caps);
structure = gst_caps_get_structure (desired_caps, 0);
if (gst_structure_get_int (structure, "width", &sink->video_width) &&
gst_structure_get_int (structure, "height", &sink->video_height)) {
sink->bpp = size / sink->video_width / sink->video_height;
}
g_mutex_lock (sink->pool_lock);
while (sink->buffer_pool) {
buffer = (GstWlBuffer *) sink->buffer_pool->data;
if (buffer) {
sink->buffer_pool =
g_slist_delete_link (sink->buffer_pool, sink->buffer_pool);
} else {
break;
}
}
g_mutex_unlock (sink->pool_lock);
if (!buffer)
buffer = wayland_buffer_create (sink);
if (buffer)
gst_buffer_set_caps (GST_BUFFER (buffer), caps);
*buf = GST_BUFFER (buffer);
gst_caps_unref (desired_caps);
return ret;
return buffer;
}
static gboolean
@ -493,16 +386,10 @@ gst_wayland_sink_set_caps (GstBaseSink * bsink, GstCaps * caps)
{
GstWaylandSink *sink = GST_WAYLAND_SINK (bsink);
const GstStructure *structure;
GstCaps *allowed_caps;
gboolean ret = TRUE;
GST_LOG_OBJECT (sink, "set caps %" GST_PTR_FORMAT, caps);
allowed_caps = gst_pad_get_caps (GST_BASE_SINK_PAD (bsink));
if (!gst_caps_can_intersect (allowed_caps, caps))
return FALSE;
structure = gst_caps_get_structure (caps, 0);
ret &= gst_structure_get_int (structure, "width", &sink->video_width);
@ -511,8 +398,6 @@ gst_wayland_sink_set_caps (GstBaseSink * bsink, GstCaps * caps)
if (!ret)
return FALSE;
gst_caps_replace (&sink->caps, caps);
return TRUE;
}
@ -524,7 +409,7 @@ redraw (void *data, struct wl_callback *callback, uint32_t time)
GstWaylandSink *sink = (GstWaylandSink *) data;
sink->render_finish = TRUE;
sink->render_busy = FALSE;
}
static void
@ -536,7 +421,7 @@ create_window (GstWaylandSink * sink, struct display *display, int width,
if (sink->window)
return;
g_mutex_lock (sink->wayland_lock);
g_mutex_lock (&sink->wayland_lock);
window = malloc (sizeof *window);
window->display = display;
@ -547,12 +432,14 @@ create_window (GstWaylandSink * sink, struct display *display, int width,
window->shell_surface = wl_shell_get_shell_surface (display->shell,
window->surface);
/* wl_shell_surface_set_toplevel (window->shell_surface); */
#ifdef WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT
wl_shell_surface_set_fullscreen (window->shell_surface,
WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT, 0, NULL);
#endif
sink->window = window;
g_mutex_unlock (sink->wayland_lock);
g_mutex_unlock (&sink->wayland_lock);
}
static gboolean
@ -582,8 +469,7 @@ gst_wayland_sink_stop (GstBaseSink * bsink)
static GstFlowReturn
gst_wayland_sink_preroll (GstBaseSink * bsink, GstBuffer * buffer)
{
GST_DEBUG_OBJECT (bsink, "preroll buffer %p, data = %p", buffer,
GST_BUFFER_DATA (buffer));
GST_DEBUG_OBJECT (bsink, "preroll buffer %p", buffer);
return gst_wayland_sink_render (bsink, buffer);
}
@ -591,73 +477,68 @@ static GstFlowReturn
gst_wayland_sink_render (GstBaseSink * bsink, GstBuffer * buffer)
{
GstWaylandSink *sink = GST_WAYLAND_SINK (bsink);
gboolean mem_cpy = TRUE;
GstVideoRectangle src, dst, res;
GstBuffer *to_render;
GstWlMeta *meta;
GST_LOG_OBJECT (sink,
"render buffer %p, data = %p, timestamp = %" GST_TIME_FORMAT, buffer,
GST_BUFFER_DATA (buffer), GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buffer)));
GST_LOG_OBJECT (sink, "render buffer %p" GST_TIME_FORMAT, buffer);
if (!sink->window)
create_window (sink, sink->display, sink->video_width, sink->video_height);
if (sink->render_finish) {
if (GST_IS_WLBUFFER (buffer)) {
GstWlBuffer *tmp_buffer = (GstWlBuffer *) buffer;
if (sink->render_busy)
goto was_busy;
/* Does it have a waylandbuffer ? */
if (tmp_buffer->wbuffer) {
mem_cpy = FALSE;
GST_DEBUG_OBJECT (sink, "we have a buffer (%p) we allocated "
"ourselves and it has a wayland buffer, no memcpy then", buffer);
sink->window->buffer = tmp_buffer->wbuffer;
} else {
/* No wayland buffer, that's a malloc */
GST_DEBUG_OBJECT (sink, "we have a buffer (%p) we allocated "
"ourselves but it does not hold a wayland buffer", buffer);
}
} else {
/* Not our baby! */
GST_DEBUG_OBJECT (sink, "we have a buffer (%p) we did not allocate",
buffer);
}
meta = gst_buffer_get_wl_meta (buffer);
if (mem_cpy) {
if (meta && meta->sink == sink) {
GST_LOG_OBJECT (sink, "buffer %p from our pool, writing directly", buffer);
to_render = buffer;
} else {
GstMapInfo src;
GstWlBuffer *wlbuf = wayland_buffer_create (sink);
GST_LOG_OBJECT (sink, "buffer %p not from our pool, copying", buffer);
memcpy (GST_BUFFER_DATA (wlbuf), GST_BUFFER_DATA (buffer),
GST_BUFFER_SIZE (buffer));
sink->window->buffer = wlbuf->wbuffer;
}
to_render = wayland_buffer_create (sink);
src.w = sink->video_width;
src.h = sink->video_height;
dst.w = sink->window->width;
dst.h = sink->window->height;
gst_buffer_map (buffer, &src, GST_MAP_READ);
gst_buffer_fill (to_render, 0, src.data, src.size);
gst_buffer_unmap (buffer, &src);
gst_video_sink_center_rect (src, dst, &res, FALSE);
meta = gst_buffer_get_wl_meta (to_render);
}
sink->render_finish = FALSE;
src.w = sink->video_width;
src.h = sink->video_height;
dst.w = sink->window->width;
dst.h = sink->window->height;
wl_buffer_damage (sink->window->buffer, 0, 0, res.w, res.h);
gst_video_sink_center_rect (src, dst, &res, FALSE);
wl_surface_attach (sink->window->surface, sink->window->buffer, 0, 0);
sink->render_busy = TRUE;
wl_surface_damage (sink->window->surface, 0, 0, res.w, res.h);
wl_buffer_damage (meta->wbuffer, 0, 0, res.w, res.h);
wl_surface_attach (sink->window->surface, meta->wbuffer, 0, 0);
wl_surface_damage (sink->window->surface, 0, 0, res.w, res.h);
if (sink->callback)
wl_callback_destroy (sink->callback);
if (sink->callback)
wl_callback_destroy (sink->callback);
sink->callback = wl_surface_frame (sink->window->surface);
wl_callback_add_listener (sink->callback, &frame_listener, sink);
wl_display_iterate (sink->display->display, sink->display->mask);
sink->callback = wl_surface_frame (sink->window->surface);
wl_callback_add_listener (sink->callback, &frame_listener, sink);
wl_display_iterate (sink->display->display, sink->display->mask);
} else
GST_LOG_OBJECT (sink,
"Waiting to get the signal from compositor to render the next frame..");
if (buffer != to_render)
gst_buffer_unref (to_render);
return GST_FLOW_OK;
was_busy:
{
GST_LOG_OBJECT (sink,
"Waiting to get the signal from compositor to render the next frame..");
return GST_FLOW_OK;
}
}
static const struct wl_callback_listener frame_listener = {

45
ext/wayland/gstwaylandsink.h
View file

@ -69,63 +69,54 @@ struct window
int width, height;
struct wl_surface *surface;
struct wl_shell_surface *shell_surface;
struct wl_buffer *buffer;
};
typedef struct _GstWaylandSink GstWaylandSink;
typedef struct _GstWaylandSinkClass GstWaylandSinkClass;
#define GST_TYPE_WLBUFFER (gst_wlbuffer_get_type())
#define GST_IS_WLBUFFER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_WLBUFFER))
#define GST_WLBUFFER (obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_WLBUFFER, GstWlBuffer))
typedef struct _GstWlMeta GstWlMeta;
typedef struct _GstWlBuffer GstWlBuffer;
typedef struct _GstWlBufferClass GstWlBufferClass;
GType gst_wl_meta_api_get_type (void);
#define GST_WL_META_API_TYPE (gst_wl_meta_api_get_type())
const GstMetaInfo * gst_wl_meta_get_info (void);
#define GST_WL_META_INFO (gst_wl_meta_get_info())
#define gst_buffer_get_wl_meta(b) ((GstWlMeta*)gst_buffer_get_meta((b),GST_WL_META_API_TYPE))
struct _GstWlMeta {
GstMeta meta;
GstWaylandSink *sink;
struct _GstWlBuffer {
GstBuffer buffer; /* Extending GstBuffer */
struct wl_buffer *wbuffer;
GstWaylandSink *wlsink;
};
struct _GstWlBufferClass
{
GstBufferClass parent_class;
void *data;
size_t size;
};
struct _GstWaylandSink
{
GstVideoSink parent;
GstCaps *caps;
struct display *display;
struct window *window;
struct wl_callback *callback;
GMutex *pool_lock;
GSList *buffer_pool;
GMutex *wayland_lock;
GMutex wayland_lock;
gint video_width;
gint video_height;
guint bpp;
gboolean render_finish;
gboolean render_busy;
};
struct _GstWaylandSinkClass
{
GstVideoSinkClass parent;
GstVideoSinkClass parent;
};
GType gst_wayland_sink_get_type (void) G_GNUC_CONST;
GType gst_wlbuffer_get_type (void);
G_END_DECLS
#endif /* __GST_WAYLAND_VIDEO_SINK_H__ */