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winegstreamer: Lazily allocate wg_allocator unix memory.

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Rémi Bernon 2023-06-17 10:50:10 +02:00 • committed by Alexandre Julliard
parent ca03b68cf4
commit c47c4d54bd
1 changed files with 24 additions and 9 deletions
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33
dlls/winegstreamer/wg_allocator.c
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@ -40,6 +40,7 @@ typedef struct
GstMemory parent;
struct list entry;
GstAllocationParams alloc_params;
GstMemory *unix_memory;
GstMapInfo unix_map_info;
@ -65,6 +66,19 @@ typedef struct
G_DEFINE_TYPE(WgAllocator, wg_allocator, GST_TYPE_ALLOCATOR);
static void *get_unix_memory_data(WgMemory *memory)
{
if (!memory->unix_memory)
{
memory->unix_memory = gst_allocator_alloc(NULL, memory->parent.maxsize, &memory->alloc_params);
gst_memory_map(memory->unix_memory, &memory->unix_map_info, GST_MAP_WRITE);
GST_INFO("Allocated unix memory %p, data %p for memory %p, sample %p", memory->unix_memory,
memory->unix_map_info.data, memory, memory->sample);
}
return memory->unix_map_info.data;
}
static void release_memory_sample(WgAllocator *allocator, WgMemory *memory, bool discard_data)
{
struct wg_sample *sample;
@ -82,7 +96,7 @@ static void release_memory_sample(WgAllocator *allocator, WgMemory *memory, bool
if (memory->written && !discard_data)
{
GST_WARNING("Copying %#zx bytes from sample %p, back to memory %p", memory->written, sample, memory);
memcpy(memory->unix_map_info.data, memory->sample->data, memory->written);
memcpy(get_unix_memory_data(memory), memory->sample->data, memory->written);
}
memory->sample = NULL;
@ -102,7 +116,7 @@ static gpointer wg_allocator_map(GstMemory *gst_memory, GstMapInfo *info, gsize
pthread_mutex_lock(&allocator->mutex);
if (!memory->sample)
info->data = memory->unix_map_info.data;
info->data = get_unix_memory_data(memory);
else
{
InterlockedIncrement(&memory->sample->refcount);
@ -177,8 +191,7 @@ static GstMemory *wg_allocator_alloc(GstAllocator *gst_allocator, gsize size,
memory = g_slice_new0(WgMemory);
gst_memory_init(GST_MEMORY_CAST(memory), 0, GST_ALLOCATOR_CAST(allocator),
NULL, size, 0, 0, size);
memory->unix_memory = gst_allocator_alloc(NULL, size, params);
gst_memory_map(memory->unix_memory, &memory->unix_map_info, GST_MAP_WRITE);
memory->alloc_params = *params;
pthread_mutex_lock(&allocator->mutex);
@ -186,14 +199,13 @@ static GstMemory *wg_allocator_alloc(GstAllocator *gst_allocator, gsize size,
if (memory->sample && memory->sample->max_size >= size)
allocator->next_sample = NULL;
else
memory->sample = NULL;
release_memory_sample(allocator, memory, true);
list_add_tail(&allocator->memory_list, &memory->entry);
pthread_mutex_unlock(&allocator->mutex);
GST_INFO("Allocated memory %p, sample %p, unix_memory %p, data %p", memory,
memory->sample, memory->unix_memory, memory->unix_map_info.data);
GST_INFO("Allocated memory %p, sample %p", memory, memory->sample);
return (GstMemory *)memory;
}
@ -214,8 +226,11 @@ static void wg_allocator_free(GstAllocator *gst_allocator, GstMemory *gst_memory
pthread_mutex_unlock(&allocator->mutex);
gst_memory_unmap(memory->unix_memory, &memory->unix_map_info);
gst_memory_unref(memory->unix_memory);
if (memory->unix_memory)
{
gst_memory_unmap(memory->unix_memory, &memory->unix_map_info);
gst_memory_unref(memory->unix_memory);
}
g_slice_free(WgMemory, memory);
}