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adapter: fix to get valid (buffer_)list

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get_list/get_buffer_list should be done with buffers in adapter remaining
while take_list/take_buffer_list flushes each buffer one by one.

https://bugzilla.gnome.org/show_bug.cgi?id=752116
This commit is contained in:
Hyunjun Ko 2015-07-09 00:21:42 +09:00 committed by Sebastian Dröge
parent 9338f93494
commit af62e2874f
1 changed files with 40 additions and 9 deletions
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49
libs/gst/base/gstadapter.c
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@ -1090,26 +1090,40 @@ GList *
gst_adapter_get_list (GstAdapter * adapter, gsize nbytes)
{
GQueue queue = G_QUEUE_INIT;
GstBuffer *cur;
GstBuffer *cur, *buffer;
gsize hsize, skip, cur_size;
GSList *g = NULL;
g_return_val_if_fail (GST_IS_ADAPTER (adapter), NULL);
g_return_val_if_fail (nbytes <= adapter->size, NULL);
GST_LOG_OBJECT (adapter, "getting %" G_GSIZE_FORMAT " bytes", nbytes);
g = adapter->buflist;
skip = adapter->skip;
while (nbytes > 0) {
cur = adapter->buflist->data;
skip = adapter->skip;
cur = g->data;
cur_size = gst_buffer_get_size (cur);
hsize = MIN (nbytes, cur_size - skip);
cur = gst_adapter_get_buffer (adapter, hsize);
if (skip == 0 && cur_size == hsize) {
GST_LOG_OBJECT (adapter, "providing buffer of %" G_GSIZE_FORMAT " bytes"
" as head buffer", hsize);
buffer = gst_buffer_ref (cur);
} else {
GST_LOG_OBJECT (adapter, "appending %" G_GSIZE_FORMAT " bytes"
" via region copy", hsize);
buffer = gst_buffer_copy_region (cur, GST_BUFFER_COPY_ALL, skip, hsize);
}
g_queue_push_tail (&queue, cur);
g_queue_push_tail (&queue, buffer);
nbytes -= hsize;
skip = 0;
g = g_slist_next (g);
}
return queue.head;
}
@ -1189,9 +1203,10 @@ GstBufferList *
gst_adapter_get_buffer_list (GstAdapter * adapter, gsize nbytes)
{
GstBufferList *buffer_list;
GstBuffer *cur;
GstBuffer *cur, *buffer;
gsize hsize, skip, cur_size;
guint n_bufs;
GSList *g = NULL;
g_return_val_if_fail (GST_IS_ADAPTER (adapter), NULL);
@ -1208,15 +1223,31 @@ gst_adapter_get_buffer_list (GstAdapter * adapter, gsize nbytes)
buffer_list = gst_buffer_list_new_sized (n_bufs);
g = adapter->buflist;
skip = adapter->skip;
while (nbytes > 0) {
cur = adapter->buflist->data;
skip = adapter->skip;
cur = g->data;
cur_size = gst_buffer_get_size (cur);
hsize = MIN (nbytes, cur_size - skip);
gst_buffer_list_add (buffer_list, gst_adapter_get_buffer (adapter, hsize));
if (skip == 0 && cur_size == hsize) {
GST_LOG_OBJECT (adapter, "providing buffer of %" G_GSIZE_FORMAT " bytes"
" as head buffer", hsize);
buffer = gst_buffer_ref (cur);
} else {
GST_LOG_OBJECT (adapter, "appending %" G_GSIZE_FORMAT " bytes"
" via region copy", hsize);
buffer = gst_buffer_copy_region (cur, GST_BUFFER_COPY_ALL, skip, hsize);
}
gst_buffer_list_add (buffer_list, buffer);
nbytes -= hsize;
skip = 0;
g = g_slist_next (g);
}
return buffer_list;
}