| /* |
| * gstxcambufferpool.cpp - bufferpool |
| * |
| * Copyright (c) 2015 Intel Corporation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| * Author: John Ye <john.ye@intel.com> |
| */ |
| |
| /** |
| * SECTION:element-xcambufferpool |
| * |
| * FIXME:Describe xcambufferpool here. |
| * |
| * <refsect2> |
| * <title>Example launch line</title> |
| * |[ |
| * gst-launch -v -m fakesrc ! xcambufferpool ! fakesink silent=TRUE |
| * ]| |
| * </refsect2> |
| */ |
| |
| #include "stub.h" |
| #include "bufmap.h" |
| #include "v4l2dev.h" |
| |
| using namespace XCam; |
| |
| XCAM_BEGIN_DECLARE |
| |
| #ifdef HAVE_CONFIG_H |
| # include <config.h> |
| #endif |
| |
| |
| #include <stdint.h> |
| #include <unistd.h> |
| #include <stdlib.h> |
| |
| #ifndef __user |
| #define __user |
| #endif |
| #include <linux/atomisp.h> |
| |
| #include <gst/gst.h> |
| #include <gst/video/gstvideopool.h> |
| |
| #include "gstxcambufferpool.h" |
| |
| |
| GST_DEBUG_CATEGORY_STATIC (gst_xcam_debug); |
| #define GST_CAT_DEFAULT gst_xcam_debug |
| |
| static gboolean |
| gst_xcambufferpool_start (GstBufferPool *bpool); |
| |
| static GstFlowReturn |
| gst_xcambufferpool_acquire_buffer (GstBufferPool *bpool, GstBuffer **buffer, GstBufferPoolAcquireParams *params); |
| |
| static void |
| gst_xcambufferpool_release_buffer (GstBufferPool *bpool, GstBuffer *buffer); |
| |
| #define gst_xcambufferpool_parent_class parent_class |
| G_DEFINE_TYPE (Gstxcambufferpool, gst_xcambufferpool, GST_TYPE_BUFFER_POOL); |
| |
| static void |
| gst_xcambufferpool_class_init (GstxcambufferpoolClass * klass); |
| static void |
| gst_xcambufferpool_init (Gstxcambufferpool *pool); |
| static gboolean |
| gst_xcambufferpool_start (GstBufferPool *bpool); |
| GstBufferPool * |
| gst_xcambufferpool_new (Gstxcamsrc *xcamsrc, GstCaps *caps); |
| |
| XCAM_END_DECLARE |
| |
| static void |
| gst_xcambufferpool_class_init (GstxcambufferpoolClass * klass) |
| { |
| GObjectClass *object_class; |
| GstBufferPoolClass *bufferpool_class; |
| |
| object_class = G_OBJECT_CLASS (klass); |
| bufferpool_class = GST_BUFFER_POOL_CLASS (klass); |
| |
| bufferpool_class->start = gst_xcambufferpool_start; |
| bufferpool_class->acquire_buffer = gst_xcambufferpool_acquire_buffer; |
| bufferpool_class->release_buffer = gst_xcambufferpool_release_buffer; |
| |
| } |
| |
| static void |
| gst_xcambufferpool_init (Gstxcambufferpool *pool) |
| { |
| } |
| |
| static gboolean |
| gst_xcambufferpool_start (GstBufferPool *bpool) |
| { |
| Gstxcambufferpool *pool = GST_XCAMBUFFERPOOL_CAST (bpool); |
| SmartPtr<MainDeviceManager> device_manager = DeviceManagerInstance::device_manager_instance(); |
| SmartPtr<V4l2SubDevice> sub_device = device_manager->get_sub_device(); |
| |
| sub_device->open(); |
| sub_device->subscribe_event (V4L2_EVENT_ATOMISP_3A_STATS_READY); |
| sub_device->subscribe_event (V4L2_EVENT_FRAME_SYNC); |
| device_manager->start (); |
| |
| pool->allocator = gst_dmabuf_allocator_new(); |
| if (pool->allocator == NULL) { |
| printf ("gst_xcambufferpool_new::gst_dmabuf_allocator_new failed\n"); |
| return NULL; |
| } |
| |
| return TRUE; |
| } |
| |
| static GstFlowReturn |
| gst_xcambufferpool_acquire_buffer (GstBufferPool *bpool, GstBuffer **buffer, GstBufferPoolAcquireParams *params) |
| { |
| return xcam_bufferpool_acquire_buffer (bpool, buffer, params); |
| } |
| |
| static void |
| gst_xcambufferpool_release_buffer (GstBufferPool *bpool, GstBuffer *buffer) |
| { |
| return xcambufferpool_release_buffer (bpool, buffer); |
| } |
| |
| |
| GstBufferPool * |
| gst_xcambufferpool_new (Gstxcamsrc *xcamsrc, GstCaps *caps) |
| { |
| Gstxcambufferpool *pool; |
| GstStructure *s; |
| |
| pool = (Gstxcambufferpool *)g_object_new (GST_TYPE_XCAMBUFFERPOOL, NULL); |
| s = gst_buffer_pool_get_config (GST_BUFFER_POOL_CAST (pool)); |
| gst_buffer_pool_config_set_params (s, caps, 1999, 32, 32); |
| gst_buffer_pool_config_add_option (s, GST_BUFFER_POOL_OPTION_VIDEO_META); |
| gst_buffer_pool_set_config (GST_BUFFER_POOL_CAST (pool), s); |
| |
| pool->src = xcamsrc; |
| return GST_BUFFER_POOL (pool); |
| } |