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dmabuf: Some code cleanup

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This commit is contained in:
Sebastian Dröge 2013-03-30 12:08:06 +01:00
parent 62b0439949
commit 5d499f1e14
1 changed files with 25 additions and 31 deletions
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56
gst-libs/gst/allocators/gstdmabuf.c
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@ -60,17 +60,8 @@ typedef struct
GST_DEBUG_CATEGORY_STATIC (dmabuf_debug); GST_DEBUG_CATEGORY_STATIC (dmabuf_debug);
#define GST_CAT_DEFAULT dmabuf_debug #define GST_CAT_DEFAULT dmabuf_debug
static GstMemory *
gst_dmabuf_alloc (GstAllocator * allocator, gsize size,
GstAllocationParams * params)
{
g_warning ("Use dmabuf_mem_alloc() to allocate from this allocator");
return NULL;
}
static void static void
gst_dmabuf_free (GstAllocator * allocator, GstMemory * mem) gst_dmabuf_allocator_free (GstAllocator * allocator, GstMemory * mem)
{ {
GstDmaBufMemory *dbmem = (GstDmaBufMemory *) mem; GstDmaBufMemory *dbmem = (GstDmaBufMemory *) mem;
@ -84,8 +75,9 @@ gst_dmabuf_free (GstAllocator * allocator, GstMemory * mem)
} }
static gpointer static gpointer
gst_dmabuf_mem_map (GstDmaBufMemory * mem, gsize maxsize, GstMapFlags flags) gst_dmabuf_mem_map (GstMemory * gmem, gsize maxsize, GstMapFlags flags)
{ {
GstDmaBufMemory *mem = (GstDmaBufMemory *) gmem;
gint prot; gint prot;
gpointer ret = NULL; gpointer ret = NULL;
@ -121,9 +113,10 @@ out:
return ret; return ret;
} }
static gboolean static void
gst_dmabuf_mem_unmap (GstDmaBufMemory * mem) gst_dmabuf_mem_unmap (GstMemory * gmem)
{ {
GstDmaBufMemory *mem = (GstDmaBufMemory *) gmem;
g_mutex_lock (&mem->lock); g_mutex_lock (&mem->lock);
if (mem->data && !(--mem->mmap_count)) { if (mem->data && !(--mem->mmap_count)) {
@ -134,12 +127,12 @@ gst_dmabuf_mem_unmap (GstDmaBufMemory * mem)
GST_DEBUG ("%p: fd %d unmapped", mem, mem->fd); GST_DEBUG ("%p: fd %d unmapped", mem, mem->fd);
} }
g_mutex_unlock (&mem->lock); g_mutex_unlock (&mem->lock);
return TRUE;
} }
static GstDmaBufMemory * static GstMemory *
gst_dmabuf_mem_share (GstDmaBufMemory * mem, gssize offset, gsize size) gst_dmabuf_mem_share (GstMemory * gmem, gssize offset, gssize size)
{ {
GstDmaBufMemory *mem = (GstDmaBufMemory *) gmem;
GstDmaBufMemory *sub; GstDmaBufMemory *sub;
GstMemory *parent; GstMemory *parent;
@ -159,12 +152,13 @@ gst_dmabuf_mem_share (GstDmaBufMemory * mem, gssize offset, gsize size)
GST_MINI_OBJECT_FLAG_LOCK_READONLY, mem->mem.allocator, parent, GST_MINI_OBJECT_FLAG_LOCK_READONLY, mem->mem.allocator, parent,
mem->mem.maxsize, mem->mem.align, mem->mem.offset + offset, size); mem->mem.maxsize, mem->mem.align, mem->mem.offset + offset, size);
return sub; return GST_MEMORY_CAST (sub);
} }
static GstDmaBufMemory * static GstMemory *
gst_dmabuf_mem_copy (GstDmaBufMemory * mem, gssize offset, gsize size) gst_dmabuf_mem_copy (GstMemory * gmem, gssize offset, gssize size)
{ {
GstDmaBufMemory *mem = (GstDmaBufMemory *) gmem;
gint newfd = dup (mem->fd); gint newfd = dup (mem->fd);
if (newfd == -1) { if (newfd == -1) {
@ -174,47 +168,47 @@ gst_dmabuf_mem_copy (GstDmaBufMemory * mem, gssize offset, gsize size)
GST_DEBUG ("%p: copy %" G_GSSIZE_FORMAT " %" G_GSIZE_FORMAT, mem, offset, GST_DEBUG ("%p: copy %" G_GSSIZE_FORMAT " %" G_GSIZE_FORMAT, mem, offset,
size); size);
return (GstDmaBufMemory *) gst_dmabuf_allocator_alloc (mem->mem.allocator, return (GstMemory *) gst_dmabuf_allocator_alloc (mem->mem.allocator,
newfd, size); newfd, size);
} }
typedef struct typedef struct
{ {
GstAllocator parent; GstAllocator parent;
} dmabuf_mem_Allocator; } GstDmaBufAllocator;
typedef struct typedef struct
{ {
GstAllocatorClass parent_class; GstAllocatorClass parent_class;
} dmabuf_mem_AllocatorClass; } GstDmaBufAllocatorClass;
GType dmabuf_mem_allocator_get_type (void); GType dmabuf_mem_allocator_get_type (void);
G_DEFINE_TYPE (dmabuf_mem_Allocator, dmabuf_mem_allocator, GST_TYPE_ALLOCATOR); G_DEFINE_TYPE (GstDmaBufAllocator, dmabuf_mem_allocator, GST_TYPE_ALLOCATOR);
#define GST_TYPE_DMABUF_ALLOCATOR (dmabuf_mem_allocator_get_type()) #define GST_TYPE_DMABUF_ALLOCATOR (dmabuf_mem_allocator_get_type())
#define GST_IS_DMABUF_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DMABUF_ALLOCATOR)) #define GST_IS_DMABUF_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DMABUF_ALLOCATOR))
static void static void
dmabuf_mem_allocator_class_init (dmabuf_mem_AllocatorClass * klass) dmabuf_mem_allocator_class_init (GstDmaBufAllocatorClass * klass)
{ {
GstAllocatorClass *allocator_class; GstAllocatorClass *allocator_class;
allocator_class = (GstAllocatorClass *) klass; allocator_class = (GstAllocatorClass *) klass;
allocator_class->alloc = gst_dmabuf_alloc; allocator_class->alloc = NULL;
allocator_class->free = gst_dmabuf_free; allocator_class->free = gst_dmabuf_allocator_free;
} }
static void static void
dmabuf_mem_allocator_init (dmabuf_mem_Allocator * allocator) dmabuf_mem_allocator_init (GstDmaBufAllocator * allocator)
{ {
GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator); GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator);
alloc->mem_type = ALLOCATOR_NAME; alloc->mem_type = ALLOCATOR_NAME;
alloc->mem_map = (GstMemoryMapFunction) gst_dmabuf_mem_map; alloc->mem_map = gst_dmabuf_mem_map;
alloc->mem_unmap = (GstMemoryUnmapFunction) gst_dmabuf_mem_unmap; alloc->mem_unmap = gst_dmabuf_mem_unmap;
alloc->mem_share = (GstMemoryShareFunction) gst_dmabuf_mem_share; alloc->mem_share = gst_dmabuf_mem_share;
alloc->mem_copy = (GstMemoryCopyFunction) gst_dmabuf_mem_copy; alloc->mem_copy = gst_dmabuf_mem_copy;
GST_OBJECT_FLAG_SET (allocator, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC); GST_OBJECT_FLAG_SET (allocator, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC);
} }