1 /* GStreamer 2 * Copyright (C) 2020 Collabora Ltd. 3 * Author: Nicolas Dufresne <nicolas.dufresne@collabora.com> 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public 16 * License along with this library; if not, write to the 17 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21 #ifndef _GST_V4L2_CODEC_ALLOCATOR_H_ 22 #define _GST_V4L2_CODEC_ALLOCATOR_H_ 23 24 #include <gst/allocators/allocators.h> 25 #include <gst/gst.h> 26 27 #include "gstv4l2codecdevice.h" 28 #include "gstv4l2decoder.h" 29 30 #define GST_TYPE_V4L2_CODEC_ALLOCATOR gst_v4l2_codec_allocator_get_type () 31 G_DECLARE_FINAL_TYPE (GstV4l2CodecAllocator, gst_v4l2_codec_allocator, 32 GST_V4L2_CODEC, ALLOCATOR, GstDmaBufAllocator); 33 34 35 GstV4l2CodecAllocator *gst_v4l2_codec_allocator_new (GstV4l2Decoder * decoder, 36 GstPadDirection direction, 37 guint num_buffers); 38 39 GstMemory *gst_v4l2_codec_allocator_alloc (GstV4l2CodecAllocator * allocator); 40 41 42 43 gboolean gst_v4l2_codec_allocator_create_buffer (GstV4l2CodecAllocator * self); 44 45 gboolean gst_v4l2_codec_allocator_wait_for_buffer (GstV4l2CodecAllocator * self); 46 47 gboolean gst_v4l2_codec_allocator_prepare_buffer (GstV4l2CodecAllocator * allocator, 48 GstBuffer * buffer); 49 50 guint gst_v4l2_codec_allocator_get_pool_size (GstV4l2CodecAllocator *self); 51 52 void gst_v4l2_codec_allocator_detach (GstV4l2CodecAllocator * self); 53 54 void gst_v4l2_codec_allocator_set_flushing (GstV4l2CodecAllocator * self, 55 gboolean flushing); 56 57 guint32 gst_v4l2_codec_memory_get_index (GstMemory * mem); 58 59 #endif /* _GST_V4L2_CODECS_ALLOCATOR_H_ */ 60