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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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85adc2daee
Moves outputting frames to a task on the source pad, bringing vtdec in line with vtenc. This brings possible performance improvements thanks to decoupling queueing new frames from outputting processed ones. The queue length is limited to `2*DBP` to prevent decoding too far ahead compared to what we're pushing downstream. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5163>
89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
/* GStreamer
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* Copyright (C) 2010, 2013 Ole André Vadla Ravnås <oleavr@soundrop.com>
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* Copyright (C) 2012, 2013 Alessandro Decina <alessandro.d@gmail.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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef _GST_VTDEC_H_
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#define _GST_VTDEC_H_
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#include <gst/base/gstqueuearray.h>
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#include <gst/video/video.h>
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#include <gst/video/gstvideodecoder.h>
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#include <CoreMedia/CoreMedia.h>
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#include <VideoToolbox/VideoToolbox.h>
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#include "videotexturecache.h"
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#include "glcontexthelper.h"
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#if defined(APPLEMEDIA_MOLTENVK)
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#include <gst/vulkan/vulkan.h>
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#endif
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#include <gst/codecparsers/gsth264parser.h>
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G_BEGIN_DECLS
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#define GST_TYPE_VTDEC (gst_vtdec_get_type())
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#define GST_VTDEC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VTDEC,GstVtdec))
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#define GST_VTDEC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VTDEC,GstVtdecClass))
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#define GST_IS_VTDEC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VTDEC))
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#define GST_IS_VTDEC_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VTDEC))
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typedef struct _GstVtdec GstVtdec;
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typedef struct _GstVtdecClass GstVtdecClass;
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#define GST_VTDEC_DPB_MAX_SIZE 16
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struct _GstVtdec
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{
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GstVideoDecoder base_vtdec;
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GstVideoCodecState *input_state;
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GstVideoInfo video_info;
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CMFormatDescriptionRef format_description;
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VTDecompressionSessionRef session;
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GstVideoTextureCache *texture_cache;
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GstGLContextHelper *ctxh;
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GstQueueArray *reorder_queue;
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gint dbp_size;
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GMutex queue_mutex;
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GCond queue_cond;
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GstFlowReturn downstream_ret;
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gboolean is_flushing;
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gboolean is_draining;
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gboolean pause_task;
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#if defined(APPLEMEDIA_MOLTENVK)
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GstVulkanInstance *instance;
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GstVulkanDevice *device;
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#endif
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gboolean require_hardware;
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};
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struct _GstVtdecClass
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{
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GstVideoDecoderClass base_vtdec_class;
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};
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GType gst_vtdec_get_type (void);
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void gst_vtdec_register_elements (GstPlugin * plugin);
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G_END_DECLS
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#endif
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