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finished default bufferpool implementation (setting size/maxsize on buffers)

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Original commit message from CVS:
finished default bufferpool implementation (setting size/maxsize on buffers)
This commit is contained in:
Andy Wingo 2001-08-27 04:40:48 +00:00
parent 5a22a8c8e6
commit e69fa6272e
1 changed files with 18 additions and 6 deletions
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24
gst/gstbufferpool.c
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@ -249,7 +249,8 @@ gst_buffer_pool_get_default (GstBufferPool *oldpool, guint buffer_size, guint po
GstBufferPool *pool;
GMemChunk *data_chunk;
guint real_buffer_size;
GstBufferPoolDefault *def;
// round up to the nearest 32 bytes for cache-line and other efficiencies
real_buffer_size = (((buffer_size-1) / 32) + 1) * 32;
@ -278,13 +279,17 @@ gst_buffer_pool_get_default (GstBufferPool *oldpool, guint buffer_size, guint po
gst_buffer_pool_set_buffer_create_function (pool, gst_buffer_pool_default_buffer_create, data_chunk);
gst_buffer_pool_set_buffer_destroy_function (pool, gst_buffer_pool_default_buffer_destroy, data_chunk);
gst_buffer_pool_set_pool_destroy_hook (pool, gst_buffer_pool_default_pool_destroy_hook, data_chunk);
def = g_new0 (GstBufferPoolDefault, 1);
def->size = buffer_size;
pool->private_data = def;
g_mutex_lock (_default_pool_lock);
g_hash_table_insert(_default_pools,GINT_TO_POINTER(real_buffer_size),pool);
g_mutex_unlock (_default_pool_lock);
GST_DEBUG(GST_CAT_BUFFER,"new buffer pool %p bytes:%d size:%d\n", pool, real_buffer_size, pool_size);
if (oldpool != NULL){
gst_buffer_pool_unref(oldpool);
}
@ -297,16 +302,20 @@ gst_buffer_pool_default_buffer_create (GstBufferPool *pool, guint64 location /*u
{
GMemChunk *data_chunk = (GMemChunk*)user_data;
GstBuffer *buffer;
GstBufferPoolDefault *def = (GstBufferPoolDefault*) pool->private_data;
gst_buffer_pool_ref(pool);
buffer = gst_buffer_new();
GST_INFO (GST_CAT_BUFFER,"creating new buffer %p from pool %p",buffer,pool);
GST_BUFFER_FLAG_SET(buffer,GST_BUFFER_DONTFREE);
g_mutex_lock (pool->lock);
GST_BUFFER_DATA(buffer) = g_mem_chunk_alloc(data_chunk);
g_mutex_unlock (pool->lock);
GST_BUFFER_FLAG_SET(buffer,GST_BUFFER_DONTFREE);
GST_BUFFER_SIZE(buffer) = def->size;
GST_BUFFER_MAXSIZE(buffer) = def->size;
return buffer;
}
@ -331,7 +340,10 @@ gst_buffer_pool_default_pool_destroy_hook (GstBufferPool *pool, gpointer user_da
GMemChunk *data_chunk = (GMemChunk*)user_data;
GST_DEBUG(GST_CAT_BUFFER,"destroying default buffer pool %p\n", pool);
if (pool->private_data)
g_free (pool->private_data);
g_mem_chunk_reset(data_chunk);
g_free(data_chunk);
}