void test_value_collection()
{
GstBuffer *buf = NULL;
MyFoo *foo;
xmlfile = "gstminiobject_test_value_collection";
std_log(LOG_FILENAME_LINE, "Test Started test_value_collection");
foo = (MyFoo *) g_object_new (my_foo_get_type (), NULL);
/* test g_object_get() refcounting */
g_object_get (foo, "buffer", &buf, NULL);
g_assert (GST_IS_BUFFER (buf));
g_assert (GST_MINI_OBJECT_REFCOUNT_VALUE (GST_MINI_OBJECT_CAST (buf)) == 1);
gst_buffer_unref (buf);
/* test g_object_set() refcounting */
buf = gst_buffer_new_and_alloc (1024);
g_object_set (foo, "buffer", buf, NULL);
g_assert (GST_MINI_OBJECT_REFCOUNT_VALUE (GST_MINI_OBJECT_CAST (buf)) == 1);
gst_buffer_unref (buf);
g_object_unref (foo);
std_log(LOG_FILENAME_LINE, "Test Successful");
create_xml(0);
}
void test_make_writable()
{
GstBuffer *buffer;
GstMiniObject *mobj, *mobj2, *mobj3;
xmlfile = "gstminiobject_test_make_writable";
std_log(LOG_FILENAME_LINE, "Test Started test_make_writable");
buffer = gst_buffer_new_and_alloc (4);
mobj = GST_MINI_OBJECT (buffer);
mobj2 = gst_mini_object_make_writable (mobj);
fail_unless (GST_IS_BUFFER (mobj2), "make_writable did not return a buffer");
fail_unless (mobj == mobj2,
"make_writable returned a copy for a buffer with refcount 1");
mobj2 = gst_mini_object_ref (mobj);
mobj3 = gst_mini_object_make_writable (mobj);
fail_unless (GST_IS_BUFFER (mobj3), "make_writable did not return a buffer");
fail_if (mobj == mobj3,
"make_writable returned same object for a buffer with refcount > 1");
fail_unless (GST_MINI_OBJECT_REFCOUNT_VALUE (mobj) == 1,
"refcount of original mobj object should be back to 1");
mobj2 = gst_mini_object_make_writable (mobj);
fail_unless (GST_IS_BUFFER (mobj2), "make_writable did not return a buffer");
fail_unless (mobj == mobj2,
"make_writable returned a copy for a buffer with refcount 1");
std_log(LOG_FILENAME_LINE, "Test Successful");
create_xml(0);
}
GstImxVpuFramebufferArray * gst_imx_vpu_framebuffer_array_new(ImxVpuColorFormat color_format, unsigned int frame_width, unsigned int frame_height, unsigned int framebuffer_alignment, gboolean uses_interlacing, gboolean chroma_interleave, unsigned int num_framebuffers, GstImxPhysMemAllocator *phys_mem_allocator)
{
guint i;
GstImxVpuFramebufferArray *framebuffer_array = g_object_new(gst_imx_vpu_framebuffer_array_get_type(), NULL);
framebuffer_array->original_frame_width = frame_width;
framebuffer_array->original_frame_height = frame_height;
imx_vpu_calc_framebuffer_sizes(
color_format,
frame_width, frame_height,
framebuffer_alignment,
uses_interlacing,
chroma_interleave,
&(framebuffer_array->framebuffer_sizes)
);
framebuffer_array->framebuffers = (ImxVpuFramebuffer *)g_slice_alloc(sizeof(ImxVpuFramebuffer) * num_framebuffers);
framebuffer_array->num_framebuffers = num_framebuffers;
framebuffer_array->allocator = (GstAllocator *)gst_object_ref(GST_OBJECT(phys_mem_allocator));
GST_DEBUG_OBJECT(framebuffer_array, "allocating and registering %u framebuffers", num_framebuffers);
for (i = 0; i < num_framebuffers; ++i)
{
GstImxPhysMemory *memory;
ImxVpuFramebuffer *framebuffer = &(framebuffer_array->framebuffers[i]);
// TODO: pass on framebuffer_alignment to the internal allocator somehow
memory = (GstImxPhysMemory *)gst_allocator_alloc(
framebuffer_array->allocator,
framebuffer_array->framebuffer_sizes.total_size,
NULL
);
if (memory == NULL)
return FALSE;
/* When filling in the params, use "memory" as the user-defined context parameter
* This is useful to be able to later determine which memory block this framebuffer
* is associated with. See gst_imx_vpu_framebuffer_array_get_gst_phys_memory(). */
imx_vpu_fill_framebuffer_params(
framebuffer,
&(framebuffer_array->framebuffer_sizes),
GST_IMX_VPU_MEM_IMXVPUAPI_DMA_BUFFER(memory),
memory
);
GST_DEBUG_OBJECT(
framebuffer_array,
"memory block %p physical address %" GST_IMX_PHYS_ADDR_FORMAT " ref count %d",
(gpointer)memory,
memory->phys_addr,
GST_MINI_OBJECT_REFCOUNT_VALUE(memory)
);
}
return framebuffer_array;
}
/**
* gst_mini_object_is_writable:
* @mini_object: the mini-object to check
*
* Checks if a mini-object is writable. A mini-object is writable
* if the reference count is one and the #GST_MINI_OBJECT_FLAG_READONLY
* flag is not set. Modification of a mini-object should only be
* done after verifying that it is writable.
*
* MT safe
*
* Returns: TRUE if the object is writable.
*/
gboolean
gst_mini_object_is_writable (const GstMiniObject * mini_object)
{
g_return_val_if_fail (mini_object != NULL, FALSE);
return (GST_MINI_OBJECT_REFCOUNT_VALUE (mini_object) == 1) &&
((mini_object->flags & GST_MINI_OBJECT_FLAG_READONLY) == 0);
}
/**
* gst_mini_object_ref:
* @mini_object: the mini-object
*
* Increase the reference count of the mini-object.
*
* Note that the refcount affects the writability
* of @mini-object, see gst_mini_object_is_writable(). It is
* important to note that keeping additional references to
* GstMiniObject instances can potentially increase the number
* of memcpy operations in a pipeline, especially if the miniobject
* is a #GstBuffer.
*
* Returns: (transfer full): the mini-object.
*/
GstMiniObject *
gst_mini_object_ref (GstMiniObject * mini_object)
{
g_return_val_if_fail (mini_object != NULL, NULL);
/* we can't assert that the refcount > 0 since the _free functions
* increments the refcount from 0 to 1 again to allow resurecting
* the object
g_return_val_if_fail (mini_object->refcount > 0, NULL);
*/
GST_CAT_TRACE (GST_CAT_REFCOUNTING, "%p ref %d->%d", mini_object,
GST_MINI_OBJECT_REFCOUNT_VALUE (mini_object),
GST_MINI_OBJECT_REFCOUNT_VALUE (mini_object) + 1);
g_atomic_int_inc (&mini_object->refcount);
return mini_object;
}
/**
* gst_mini_object_unref:
* @mini_object: the mini-object
*
* Decreases the reference count of the mini-object, possibly freeing
* the mini-object.
*/
void
gst_mini_object_unref (GstMiniObject * mini_object)
{
g_return_if_fail (mini_object != NULL);
g_return_if_fail (mini_object->refcount > 0);
#ifdef DEBUG_REFCOUNT
g_return_if_fail (GST_IS_MINI_OBJECT (mini_object));
GST_CAT_LOG (GST_CAT_REFCOUNTING, "%p unref %d->%d",
mini_object,
GST_MINI_OBJECT_REFCOUNT_VALUE (mini_object),
GST_MINI_OBJECT_REFCOUNT_VALUE (mini_object) - 1);
#endif
if (G_UNLIKELY (g_atomic_int_dec_and_test (&mini_object->refcount))) {
gst_mini_object_free (mini_object);
}
}
/**
* gst_mini_object_weak_ref: (skip)
* @object: #GstMiniObject to reference weakly
* @notify: callback to invoke before the mini object is freed
* @data: extra data to pass to notify
*
* Adds a weak reference callback to a mini object. Weak references are
* used for notification when a mini object is finalized. They are called
* "weak references" because they allow you to safely hold a pointer
* to the mini object without calling gst_mini_object_ref()
* (gst_mini_object_ref() adds a strong reference, that is, forces the object
* to stay alive).
*/
void
gst_mini_object_weak_ref (GstMiniObject * object,
GstMiniObjectNotify notify, gpointer data)
{
g_return_if_fail (object != NULL);
g_return_if_fail (notify != NULL);
g_return_if_fail (GST_MINI_OBJECT_REFCOUNT_VALUE (object) >= 1);
G_LOCK (qdata_mutex);
set_notify (object, -1, weak_ref_quark, notify, data, NULL);
G_UNLOCK (qdata_mutex);
}
static void
gst_alloc_trace_print (const GstAllocTrace * trace)
{
GSList *mem_live;
g_return_if_fail (trace != NULL);
if (trace->flags & GST_ALLOC_TRACE_LIVE) {
g_print ("%-22.22s : %d\n", trace->name, trace->live);
} else {
g_print ("%-22.22s : (no live count)\n", trace->name);
}
if (trace->flags & GST_ALLOC_TRACE_MEM_LIVE) {
mem_live = trace->mem_live;
while (mem_live) {
gpointer data = mem_live->data;
const gchar *type_name;
gchar *extra = NULL;
gint refcount = -1;
if (trace->offset == -2) {
if (G_IS_OBJECT (data)) {
type_name = G_OBJECT_TYPE_NAME (data);
refcount = G_OBJECT (data)->ref_count;
} else
type_name = "<invalid>";
} else if (trace->offset == -1) {
type_name = "<unknown>";
} else {
GType type;
type = G_STRUCT_MEMBER (GType, data, trace->offset);
type_name = g_type_name (type);
if (type == GST_TYPE_CAPS) {
extra = gst_caps_to_string (data);
}
refcount = GST_MINI_OBJECT_REFCOUNT_VALUE (data);
}
if (extra) {
g_print (" %-20.20s : (%d) %p (\"%s\")\n", type_name, refcount, data,
extra);
g_free (extra);
} else
g_print (" %-20.20s : (%d) %p\n", type_name, refcount, data);
mem_live = mem_live->next;
}
}
}
/**
* gst_mini_object_unref:
* @mini_object: the mini-object
*
* Decreases the reference count of the mini-object, possibly freeing
* the mini-object.
*/
void
gst_mini_object_unref (GstMiniObject * mini_object)
{
g_return_if_fail (mini_object != NULL);
GST_CAT_TRACE (GST_CAT_REFCOUNTING, "%p unref %d->%d",
mini_object,
GST_MINI_OBJECT_REFCOUNT_VALUE (mini_object),
GST_MINI_OBJECT_REFCOUNT_VALUE (mini_object) - 1);
g_return_if_fail (mini_object->refcount > 0);
if (G_UNLIKELY (g_atomic_int_dec_and_test (&mini_object->refcount))) {
gboolean do_free;
if (mini_object->dispose)
do_free = mini_object->dispose (mini_object);
else
do_free = TRUE;
/* if the subclass recycled the object (and returned FALSE) we don't
* want to free the instance anymore */
if (G_LIKELY (do_free)) {
/* there should be no outstanding locks */
g_return_if_fail ((g_atomic_int_get (&mini_object->lockstate) & LOCK_MASK)
< 4);
if (mini_object->n_qdata) {
call_finalize_notify (mini_object);
g_free (mini_object->qdata);
}
#ifndef GST_DISABLE_TRACE
_gst_alloc_trace_free (_gst_mini_object_trace, mini_object);
#endif
if (mini_object->free)
mini_object->free (mini_object);
}
}
}
/**
* gst_video_overlay_composition_add_rectangle:
* @comp: a #GstVideoOverlayComposition
* @rectangle: (transfer none): a #GstVideoOverlayRectangle to add to the
* composition
*
* Adds an overlay rectangle to an existing overlay composition object. This
* must be done right after creating the overlay composition.
*
* Since: 0.10.36
*/
void
gst_video_overlay_composition_add_rectangle (GstVideoOverlayComposition * comp,
GstVideoOverlayRectangle * rectangle)
{
g_return_if_fail (GST_IS_VIDEO_OVERLAY_COMPOSITION (comp));
g_return_if_fail (GST_IS_VIDEO_OVERLAY_RECTANGLE (rectangle));
g_return_if_fail (GST_MINI_OBJECT_REFCOUNT_VALUE (comp) == 1);
if (comp->num_rectangles % RECTANGLE_ARRAY_STEP == 0) {
comp->rectangles =
g_renew (GstVideoOverlayRectangle *, comp->rectangles,
comp->num_rectangles + RECTANGLE_ARRAY_STEP);
}
/**
* gst_mini_object_is_writable:
* @mini_object: the mini-object to check
*
* If @mini_object has the LOCKABLE flag set, check if the current EXCLUSIVE
* lock on @object is the only one, this means that changes to the object will
* not be visible to any other object.
*
* If the LOCKABLE flag is not set, check if the refcount of @mini_object is
* exactly 1, meaning that no other reference exists to the object and that the
* object is therefore writable.
*
* Modification of a mini-object should only be done after verifying that it
* is writable.
*
* Returns: TRUE if the object is writable.
*/
gboolean
gst_mini_object_is_writable (const GstMiniObject * mini_object)
{
gboolean result;
g_return_val_if_fail (mini_object != NULL, FALSE);
if (GST_MINI_OBJECT_IS_LOCKABLE (mini_object)) {
result = !IS_SHARED (g_atomic_int_get (&mini_object->lockstate));
} else {
result = (GST_MINI_OBJECT_REFCOUNT_VALUE (mini_object) == 1);
}
return result;
}
/**
* gst_buffer_is_metadata_writable:
* @buf: a #GstBuffer
*
* Similar to gst_buffer_is_writable, but this only ensures that the
* refcount of the buffer is 1, indicating that the caller is the sole
* owner and can change the buffer metadata, such as caps and timestamps.
*
* Returns: TRUE if the metadata is writable.
*/
gboolean
gst_buffer_is_metadata_writable (GstBuffer * buf)
{
return (GST_MINI_OBJECT_REFCOUNT_VALUE (GST_MINI_OBJECT_CAST (buf)) == 1);
}
static void
gst_alloc_trace_print (const GstAllocTrace * trace)
{
GSList *mem_live;
g_return_if_fail (trace != NULL);
if (trace->flags & GST_ALLOC_TRACE_LIVE) {
g_print ("%-22.22s : %d\n", trace->name, trace->live);
} else {
g_print ("%-22.22s : (no live count)\n", trace->name);
}
if (trace->flags & GST_ALLOC_TRACE_MEM_LIVE) {
mem_live = trace->mem_live;
while (mem_live) {
gpointer data = mem_live->data;
const gchar *type_name;
gchar *extra = NULL;
gint refcount = -1;
if (trace->offset == -2) {
if (G_IS_OBJECT (data)) {
type_name = G_OBJECT_TYPE_NAME (data);
refcount = G_OBJECT (data)->ref_count;
} else
type_name = "<invalid>";
} else if (trace->offset == -1) {
type_name = "<unknown>";
} else {
GType type;
type = G_STRUCT_MEMBER (GType, data, trace->offset);
type_name = g_type_name (type);
if (type == GST_TYPE_CAPS) {
extra = gst_caps_to_string (data);
} else if (type == GST_TYPE_EVENT) {
const GstStructure *s = gst_event_get_structure (data);
if (s == NULL)
extra = g_strdup_printf ("%s", GST_EVENT_TYPE_NAME (data));
else
extra = gst_structure_to_string (s);
} else if (type == GST_TYPE_MESSAGE) {
const GstStructure *s = gst_message_get_structure (data);
if (s == NULL)
extra = g_strdup_printf ("%s", GST_MESSAGE_TYPE_NAME (data));
else
extra = gst_structure_to_string (s);
} else if (type == GST_TYPE_BUFFER) {
guint size = gst_buffer_get_size (data);
extra = g_strdup_printf ("%u bytes", size);
} else if (type == GST_TYPE_MEMORY) {
GstMemory *mem = (GstMemory *) data;
extra = g_strdup_printf ("%u bytes, %s allocator", (guint) mem->size,
mem->allocator ? mem->allocator->mem_type : "unknown");
}
refcount = GST_MINI_OBJECT_REFCOUNT_VALUE (data);
}
if (extra) {
g_print (" %-20.20s : (%d) %p (\"%s\")\n", type_name, refcount, data,
extra);
g_free (extra);
} else
g_print (" %-20.20s : (%d) %p\n", type_name, refcount, data);
mem_live = mem_live->next;
}
}
}
static void gst_imx_vpu_framebuffer_array_finalize(GObject *object)
{
guint i;
GstImxVpuFramebufferArray *framebuffer_array = GST_IMX_VPU_FRAMEBUFFER_ARRAY(object);
GST_DEBUG_OBJECT(object, "shutting down framebuffer array %p", (gpointer)object);
if (framebuffer_array->framebuffers != NULL)
{
for (i = 0; i < framebuffer_array->num_framebuffers; ++i)
{
ImxVpuFramebuffer *framebuffer = &(framebuffer_array->framebuffers[i]);
GstImxPhysMemory *memory = gst_imx_vpu_framebuffer_array_get_gst_phys_memory(framebuffer);
GST_DEBUG_OBJECT(object, "freeing gstmemory block %p with physical address %" GST_IMX_PHYS_ADDR_FORMAT " and ref count %d", (gpointer)memory, memory->phys_addr, GST_MINI_OBJECT_REFCOUNT_VALUE(memory));
/* at this point, the memory's refcount is 1, so unref'ing will deallocate it */
gst_memory_unref((GstMemory *)memory);
}
g_slice_free1(sizeof(ImxVpuFramebuffer) * framebuffer_array->num_framebuffers, framebuffer_array->framebuffers);
}
if (framebuffer_array->allocator != NULL)
gst_object_unref(GST_OBJECT(framebuffer_array->allocator));
G_OBJECT_CLASS(gst_imx_vpu_framebuffer_array_parent_class)->finalize(object);
}
