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error: comparison of constant -1 with expression of type 'const GstVideoFormat' is always false
210 lines
5.7 KiB
C
210 lines
5.7 KiB
C
/*
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* gst-plugins-bad
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* Copyright (C) 2012 Edward Hervey <edward@collabora.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstvdpvideobufferpool.h"
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#include "gstvdpvideomemory.h"
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GST_DEBUG_CATEGORY_STATIC (gst_vdp_vidbufpool_debug);
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#define GST_CAT_DEFAULT gst_vdp_vidbufpool_debug
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static void gst_vdp_video_buffer_pool_finalize (GObject * object);
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#define DEBUG_INIT \
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GST_DEBUG_CATEGORY_INIT (gst_vdp_vidbufpool_debug, "vdpvideopool", 0, \
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"VDPAU Video bufferpool");
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#define gst_vdp_video_buffer_pool_parent_class parent_class
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G_DEFINE_TYPE_WITH_CODE (GstVdpVideoBufferPool, gst_vdp_video_buffer_pool,
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GST_TYPE_BUFFER_POOL, DEBUG_INIT);
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static const gchar **
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gst_vdp_video_buffer_pool_get_options (GstBufferPool * pool)
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{
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static const gchar *options[] = { GST_BUFFER_POOL_OPTION_VIDEO_META,
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GST_BUFFER_POOL_OPTION_VDP_VIDEO_META, NULL
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};
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return options;
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}
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static gboolean
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gst_vdp_video_buffer_pool_set_config (GstBufferPool * pool,
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GstStructure * config)
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{
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GstVdpVideoBufferPool *vdppool = GST_VDP_VIDEO_BUFFER_POOL_CAST (pool);
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GstVideoInfo info;
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GstCaps *caps;
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if (!gst_buffer_pool_config_get_params (config, &caps, NULL, NULL, NULL))
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goto wrong_config;
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if (caps == NULL)
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goto no_caps;
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/* now parse the caps from the config */
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if (!gst_video_info_from_caps (&info, caps))
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goto wrong_caps;
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GST_LOG_OBJECT (pool, "%dx%d, caps %" GST_PTR_FORMAT, info.width, info.height,
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caps);
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if (GST_VIDEO_INFO_FORMAT (&info) == GST_VIDEO_FORMAT_UNKNOWN)
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goto unknown_format;
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vdppool->info = info;
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/* enable metadata based on config of the pool */
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vdppool->add_videometa =
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gst_buffer_pool_config_has_option (config,
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GST_BUFFER_POOL_OPTION_VIDEO_META);
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/* parse extra alignment info */
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vdppool->add_vdpmeta = gst_buffer_pool_config_has_option (config,
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GST_BUFFER_POOL_OPTION_VDP_VIDEO_META);
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return GST_BUFFER_POOL_CLASS (parent_class)->set_config (pool, config);
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/* ERRORS */
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wrong_config:
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{
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GST_WARNING_OBJECT (pool, "invalid config");
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return FALSE;
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}
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no_caps:
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{
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GST_WARNING_OBJECT (pool, "no caps in config");
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return FALSE;
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}
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wrong_caps:
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{
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GST_WARNING_OBJECT (pool,
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"failed getting geometry from caps %" GST_PTR_FORMAT, caps);
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return FALSE;
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}
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unknown_format:
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{
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GST_WARNING_OBJECT (vdppool, "failed to get format from caps %"
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GST_PTR_FORMAT, caps);
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GST_ELEMENT_ERROR (vdppool, RESOURCE, WRITE,
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("Failed to create output image buffer of %dx%d pixels",
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info.width, info.height),
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("Invalid input caps %" GST_PTR_FORMAT, caps));
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return FALSE;;
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}
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}
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/* This function handles GstBuffer creation */
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static GstFlowReturn
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gst_vdp_video_buffer_pool_alloc (GstBufferPool * pool, GstBuffer ** buffer,
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GstBufferPoolAcquireParams * params)
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{
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GstVdpVideoBufferPool *vdppool = GST_VDP_VIDEO_BUFFER_POOL_CAST (pool);
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GstVideoInfo *info;
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GstBuffer *buf;
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GstMemory *vdp_mem;
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info = &vdppool->info;
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if (!(buf = gst_buffer_new ()))
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goto no_buffer;
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if (!(vdp_mem = gst_vdp_video_memory_alloc (vdppool->device, info)))
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goto mem_create_failed;
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gst_buffer_append_memory (buf, vdp_mem);
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if (vdppool->add_videometa) {
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GstVideoMeta *vmeta;
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GST_DEBUG_OBJECT (pool, "adding GstVideoMeta");
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/* these are just the defaults for now */
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vmeta = gst_buffer_add_video_meta (buf, 0, GST_VIDEO_INFO_FORMAT (info),
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GST_VIDEO_INFO_WIDTH (info), GST_VIDEO_INFO_HEIGHT (info));
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vmeta->map = gst_vdp_video_memory_map;
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vmeta->unmap = gst_vdp_video_memory_unmap;
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}
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*buffer = buf;
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return GST_FLOW_OK;
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/* ERROR */
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no_buffer:
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{
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GST_WARNING_OBJECT (pool, "can't create image");
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return GST_FLOW_ERROR;
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}
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mem_create_failed:
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{
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GST_WARNING_OBJECT (pool, "Could create GstVdpVideo Memory");
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return GST_FLOW_ERROR;
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}
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}
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GstBufferPool *
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gst_vdp_video_buffer_pool_new (GstVdpDevice * device)
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{
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GstVdpVideoBufferPool *pool;
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pool = g_object_new (GST_TYPE_VDP_VIDEO_BUFFER_POOL, NULL);
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pool->device = gst_object_ref (device);
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GST_LOG_OBJECT (pool, "new VdpVideo buffer pool %p", pool);
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return GST_BUFFER_POOL_CAST (pool);
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}
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static void
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gst_vdp_video_buffer_pool_class_init (GstVdpVideoBufferPoolClass * klass)
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{
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GObjectClass *gobject_class = (GObjectClass *) klass;
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GstBufferPoolClass *gstbufferpool_class = (GstBufferPoolClass *) klass;
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gobject_class->finalize = gst_vdp_video_buffer_pool_finalize;
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gstbufferpool_class->get_options = gst_vdp_video_buffer_pool_get_options;
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gstbufferpool_class->set_config = gst_vdp_video_buffer_pool_set_config;
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gstbufferpool_class->alloc_buffer = gst_vdp_video_buffer_pool_alloc;
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}
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static void
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gst_vdp_video_buffer_pool_init (GstVdpVideoBufferPool * pool)
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{
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}
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static void
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gst_vdp_video_buffer_pool_finalize (GObject * object)
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{
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GstVdpVideoBufferPool *pool = GST_VDP_VIDEO_BUFFER_POOL_CAST (object);
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GST_LOG_OBJECT (pool, "finalize VdpVideo buffer pool %p", pool);
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gst_object_unref (pool->device);
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G_OBJECT_CLASS (gst_vdp_video_buffer_pool_parent_class)->finalize (object);
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}
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