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81 lines
1.3 KiB
C
81 lines
1.3 KiB
C
// Copyright 2019-2021, Collabora, Ltd.
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// SPDX-License-Identifier: BSL-1.0
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/*!
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* @file
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* @brief Semi internal structs for gstreamer code.
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* @author Jakob Bornecrantz <jakob@collabora.com>
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* @ingroup aux_util
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*/
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#pragma once
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#include "xrt/xrt_frame.h"
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#include <gst/app/gstappsink.h>
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#include <gst/app/gstappsrc.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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*
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* Pipeline
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*
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*/
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/*!
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* A pipeline from which you can create one or more @ref gstreamer_sink from.
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*
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* @implements xrt_frame_node
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*/
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struct gstreamer_pipeline
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{
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struct xrt_frame_node node;
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struct xrt_frame_context *xfctx;
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GstElement *pipeline;
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};
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/*
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*
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* Sink
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*
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*/
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/*!
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* An @ref xrt_frame_sink that uses appsrc.
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*
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* @implements xrt_frame_sink
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* @implements xrt_frame_node
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*/
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struct gstreamer_sink
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{
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//! The base structure exposing the sink interface.
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struct xrt_frame_sink base;
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//! A sink can expose multie @ref xrt_frame_sink but only one node.
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struct xrt_frame_node node;
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//! Pipeline this sink is producing frames into.
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struct gstreamer_pipeline *gp;
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//! Offset applied to timestamps given to GStreamer.
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uint64_t offset_ns;
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//! Last sent timestamp, used to calculate duration.
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uint64_t timestamp_ns;
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//! Cached appsrc element.
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GstElement *appsrc;
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};
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#ifdef __cplusplus
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}
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#endif
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