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39f800c449
Input stream might be silently changed without ::set_format() call. Since nvdec has internal parser, nvdec element can figure out the format change by itself.
106 lines
3.1 KiB
C
106 lines
3.1 KiB
C
/*
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* Copyright (C) 2017 Ericsson AB. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __GST_NVDEC_H__
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#define __GST_NVDEC_H__
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#ifdef HAVE_NVCODEC_GST_GL
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#include <gst/gl/gl.h>
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#include <gst/gl/gstglfuncs.h>
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#endif
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#include <gst/video/video.h>
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#include "gstcuvidloader.h"
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#include "gstcudaloader.h"
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#include "gstcudacontext.h"
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G_BEGIN_DECLS
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#define GST_TYPE_NVDEC (gst_nvdec_get_type())
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#define GST_NVDEC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_NVDEC, GstNvDec))
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#define GST_NVDEC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_NVDEC, GstNvDecClass))
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#define GST_NVDEC_GET_CLASS(obj)(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_NVDEC,GstNvDecClass))
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#define GST_IS_NVDEC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_NVDEC))
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#define GST_IS_NVDEC_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_NVDEC))
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typedef struct _GstNvDec GstNvDec;
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typedef struct _GstNvDecClass GstNvDecClass;
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typedef enum
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{
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GST_NVDEC_STATE_INIT = 0,
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GST_NVDEC_STATE_PARSE,
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GST_NVDEC_STATE_DECODE,
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} GstNvDecState;
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typedef enum
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{
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GST_NVDEC_MEM_TYPE_SYSTEM = 0,
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GST_NVDEC_MEM_TYPE_GL,
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/* FIXME: add support CUDA, D3D11 memory */
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} GstNvDecMemType;
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struct _GstNvDec
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{
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GstVideoDecoder parent;
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#ifdef HAVE_NVCODEC_GST_GL
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GstGLDisplay *gl_display;
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GstGLContext *gl_context;
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GstGLContext *other_gl_context;
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#endif
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CUvideoparser parser;
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CUvideodecoder decoder;
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GstCudaContext *cuda_ctx;
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CUstream cuda_stream;
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GstVideoInfo out_info;
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GstClockTime min_latency;
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GstVideoCodecState *input_state;
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GstVideoCodecState *output_state;
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GstFlowReturn last_ret;
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GstNvDecState state;
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GstNvDecMemType mem_type;
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};
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struct _GstNvDecClass
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{
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GstVideoDecoderClass parent_class;
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cudaVideoCodec codec_type;
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guint cuda_device_id;
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};
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GType gst_nvdec_get_type (void);
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void gst_nvdec_plugin_init (GstPlugin * plugin);
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G_END_DECLS
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#endif /* __GST_NVDEC_H__ */
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