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a13c24dc8c
These have been copy pasted all over the place and are not used anymore. All object have it's own category now. This fixes build warning since the VP9 decoder had vp8 category declared.
112 lines
4 KiB
C
112 lines
4 KiB
C
/* GStreamer
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*
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* Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
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* 2006 Edgard Lima <edgard.lima@gmail.com>
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* 2009 Texas Instruments, Inc - http://www.ti.com/
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*
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* gstv4l2bufferpool.h V4L2 buffer pool class
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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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_V4L2_BUFFER_POOL_H__
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#define __GST_V4L2_BUFFER_POOL_H__
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#include <gst/gst.h>
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typedef struct _GstV4l2BufferPool GstV4l2BufferPool;
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typedef struct _GstV4l2BufferPoolClass GstV4l2BufferPoolClass;
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typedef struct _GstV4l2Meta GstV4l2Meta;
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#include "gstv4l2object.h"
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#include "gstv4l2allocator.h"
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G_BEGIN_DECLS
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#define GST_TYPE_V4L2_BUFFER_POOL (gst_v4l2_buffer_pool_get_type())
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#define GST_IS_V4L2_BUFFER_POOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_V4L2_BUFFER_POOL))
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#define GST_V4L2_BUFFER_POOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_V4L2_BUFFER_POOL, GstV4l2BufferPool))
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#define GST_V4L2_BUFFER_POOL_CAST(obj) ((GstV4l2BufferPool*)(obj))
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/* This flow return is used to indicated that the last buffer of a
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* drain or a resoltuion change has been found. This should normally
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* only occure for mem-2-mem devices. */
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#define GST_V4L2_FLOW_LAST_BUFFER GST_FLOW_CUSTOM_SUCCESS
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/* This flow return is used to indicated that the returned buffer was marked
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* with the error flag and had no payload. This error should be recovered by
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* simply waiting for next buffer. */
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#define GST_V4L2_FLOW_CORRUPTED_BUFFER GST_FLOW_CUSTOM_SUCCESS_1
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struct _GstV4l2BufferPool
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{
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GstBufferPool parent;
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GstV4l2Object *obj; /* the v4l2 object */
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gint video_fd; /* a dup(2) of the v4l2object's video_fd */
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GstPoll *poll; /* a poll for video_fd */
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GstPollFD pollfd;
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gboolean can_poll_device;
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gboolean empty;
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GCond empty_cond;
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GstV4l2Allocator *vallocator;
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GstAllocator *allocator;
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GstAllocationParams params;
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GstBufferPool *other_pool;
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guint size;
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GstVideoInfo caps_info; /* Default video information */
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gboolean add_videometa; /* set if video meta should be added */
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gboolean enable_copy_threshold; /* If copy_threshold should be set */
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guint min_latency; /* number of buffers we will hold */
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guint max_latency; /* number of buffers we can hold */
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guint num_queued; /* number of buffers queued in the driver */
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guint copy_threshold; /* when our pool runs lower, start handing out copies */
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gboolean streaming;
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gboolean flushing;
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GstBuffer *buffers[VIDEO_MAX_FRAME];
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/* signal handlers */
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gulong group_released_handler;
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/* Control to warn only once on buggy feild driver bug */
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gboolean has_warned_on_buggy_field;
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};
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struct _GstV4l2BufferPoolClass
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{
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GstBufferPoolClass parent_class;
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};
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GType gst_v4l2_buffer_pool_get_type (void);
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GstBufferPool * gst_v4l2_buffer_pool_new (GstV4l2Object *obj, GstCaps *caps);
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GstFlowReturn gst_v4l2_buffer_pool_process (GstV4l2BufferPool * bpool, GstBuffer ** buf);
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void gst_v4l2_buffer_pool_set_other_pool (GstV4l2BufferPool * pool,
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GstBufferPool * other_pool);
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void gst_v4l2_buffer_pool_copy_at_threshold (GstV4l2BufferPool * pool,
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gboolean copy);
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G_END_DECLS
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#endif /*__GST_V4L2_BUFFER_POOL_H__ */
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