Enable these features for accurate bitrate control. Feature introduction of LowDelayBRC, MaxFrameSizeI and MaxFrameSizeP could be found here: https://github.com/Intel-Media-SDK/MediaSDK/blob/master/doc/mediasdk-man.md Signed-off-by: Fan F He <fan.f.he@intel.com> Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2742>
		
			
				
	
	
		
			237 lines
		
	
	
		
			6.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			237 lines
		
	
	
		
			6.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* GStreamer Intel MSDK plugin
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|  * Copyright (c) 2016, Oblong Industries, Inc.
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|  * 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 are met:
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|  *
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|  * 1. Redistributions of source code must retain the above copyright notice,
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|  *    this list of conditions and the following disclaimer.
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|  *
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|  * 2. Redistributions in binary form must reproduce the above copyright notice,
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|  *    this list of conditions and the following disclaimer in the documentation
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|  *    and/or other materials provided with the distribution.
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|  *
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|  * 3. Neither the name of the copyright holder nor the names of its contributors
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|  *    may be used to endorse or promote products derived from this software
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|  *    without specific prior written permission.
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|  *
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|  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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|  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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|  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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|  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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|  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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|  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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|  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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|  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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|  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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|  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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|  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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|  */
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| 
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| #ifndef __GST_MSDKENC_H__
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| #define __GST_MSDKENC_H__
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| 
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| #include <gst/gst.h>
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| #include <gst/video/gstvideoencoder.h>
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| #include "msdk.h"
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| #include "msdk-enums.h"
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| #include "gstmsdkcontext.h"
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| 
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| G_BEGIN_DECLS
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| 
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| #define GST_TYPE_MSDKENC \
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|   (gst_msdkenc_get_type())
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| #define GST_MSDKENC(obj) \
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|   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MSDKENC,GstMsdkEnc))
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| #define GST_MSDKENC_CLASS(klass) \
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|   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MSDKENC,GstMsdkEncClass))
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| #define GST_MSDKENC_GET_CLASS(obj) \
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|   (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_MSDKENC,GstMsdkEncClass))
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| #define GST_IS_MSDKENC(obj) \
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|   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MSDKENC))
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| #define GST_IS_MSDKENC_CLASS(klass) \
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|   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MSDKENC))
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| 
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| #define MAX_EXTRA_PARAMS 8
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| 
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| typedef struct _GstMsdkEnc GstMsdkEnc;
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| typedef struct _GstMsdkEncClass GstMsdkEncClass;
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| typedef struct _MsdkEncTask MsdkEncTask;
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| 
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| enum
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| {
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|   GST_MSDKENC_PROP_0,
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|   GST_MSDKENC_PROP_HARDWARE,
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|   GST_MSDKENC_PROP_ASYNC_DEPTH,
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|   GST_MSDKENC_PROP_TARGET_USAGE,
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|   GST_MSDKENC_PROP_RATE_CONTROL,
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|   GST_MSDKENC_PROP_BITRATE,
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|   GST_MSDKENC_PROP_MAX_FRAME_SIZE,
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|   GST_MSDKENC_PROP_MAX_VBV_BITRATE,
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|   GST_MSDKENC_PROP_AVBR_ACCURACY,
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|   GST_MSDKENC_PROP_AVBR_CONVERGENCE,
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|   GST_MSDKENC_PROP_RC_LOOKAHEAD_DEPTH,
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|   GST_MSDKENC_PROP_QPI,
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|   GST_MSDKENC_PROP_QPP,
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|   GST_MSDKENC_PROP_QPB,
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|   GST_MSDKENC_PROP_GOP_SIZE,
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|   GST_MSDKENC_PROP_REF_FRAMES,
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|   GST_MSDKENC_PROP_I_FRAMES,
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|   GST_MSDKENC_PROP_B_FRAMES,
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|   GST_MSDKENC_PROP_NUM_SLICES,
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|   GST_MSDKENC_PROP_MBBRC,
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|   GST_MSDKENC_PROP_ADAPTIVE_I,
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|   GST_MSDKENC_PROP_ADAPTIVE_B,
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|   GST_MSDKENC_PROP_EXT_CODING_PROPS,
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|   GST_MSDKENC_PROP_LOWDELAY_BRC,
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|   GST_MSDKENC_PROP_MAX_FRAME_SIZE_I,
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|   GST_MSDKENC_PROP_MAX_FRAME_SIZE_P,
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|   GST_MSDKENC_PROP_MAX,
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| };
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| 
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| struct _GstMsdkEnc
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| {
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|   GstVideoEncoder element;
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| 
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|   /* input description */
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|   GstVideoCodecState *input_state;
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| 
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|   /* List of frame/buffer mapping structs for
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|    * pending frames */
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|   GList *pending_frames;
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| 
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|   /* MFX context */
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|   GstMsdkContext *context;
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|   GstMsdkContext *old_context;
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|   mfxVideoParam param;
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|   guint num_surfaces;
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|   guint num_tasks;
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|   MsdkEncTask *tasks;
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|   guint next_task;
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|   /* Extra frames for encoding, set by each element,
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|    * the default value is 0 */
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|   guint num_extra_frames;
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| 
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|   gboolean has_vpp;
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|   mfxVideoParam vpp_param;
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|   guint num_vpp_surfaces;
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|   /* Input interfaces, output above */
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|   mfxFrameAllocResponse vpp_alloc_resp;
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|   mfxFrameAllocResponse alloc_resp;
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| 
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|   mfxExtBuffer *extra_params[MAX_EXTRA_PARAMS];
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|   guint num_extra_params;
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| 
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|   /* Additional encoder coding options */
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|   mfxExtCodingOption2 option2;
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|   mfxExtCodingOption3 option3;
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|   gboolean enable_extopt3;
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| 
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|   /* parameters for per-frame based encoding control */
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|   mfxEncodeCtrl enc_cntrl;
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| 
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|   GstBufferPool *msdk_pool;
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|   GstBufferPool *msdk_converted_pool;
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|   GstVideoInfo aligned_info;
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|   gboolean use_video_memory;
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|   gboolean use_dmabuf;
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|   gboolean use_va;
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|   gboolean initialized;
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| 
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|   /* element properties */
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|   gboolean hardware;
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| 
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|   guint async_depth;
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|   guint target_usage;
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|   guint rate_control;
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|   guint bitrate;
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|   guint max_frame_size;
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|   guint max_vbv_bitrate;
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|   guint accuracy;
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|   guint convergence;
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|   guint lookahead_depth;
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|   guint qpi;
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|   guint qpp;
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|   guint qpb;
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|   guint gop_size;
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|   guint ref_frames;
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|   guint i_frames;
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|   guint b_frames;
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|   guint num_slices;
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|   gint16 mbbrc;
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|   gint16 adaptive_i;
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|   gint16 adaptive_b;
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|   guint max_frame_size_i;
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|   guint max_frame_size_p;
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|   gint16 lowdelay_brc;
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| 
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|   GstStructure *ext_coding_props;
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| 
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|   gboolean reconfig;
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| 
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|   guint16 codename;
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| };
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| 
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| struct _GstMsdkEncClass
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| {
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|   GstVideoEncoderClass parent_class;
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| 
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|   gboolean (*set_format) (GstMsdkEnc * encoder);
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|   gboolean (*configure) (GstMsdkEnc * encoder);
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|   GstCaps *(*set_src_caps) (GstMsdkEnc * encoder);
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|   /* Return TRUE if vpp is required before encoding
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|    * @info (in), input video info
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|    * @out_format (out), a pointer to the output format of vpp, which is set
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|    * when return TRUE
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|    */
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|   gboolean (*need_conversion) (GstMsdkEnc * encoder, GstVideoInfo * info,
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|       GstVideoFormat * out_format);
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| 
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|   /* Return TRUE if sub class requires a recofnig */
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|   gboolean (*need_reconfig) (GstMsdkEnc * encoder, GstVideoCodecFrame * frame);
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| 
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|   /* Allow sub class set extra frame parameters */
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|   void (*set_extra_params) (GstMsdkEnc * encoder, GstVideoCodecFrame * frame);
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| 
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|   gboolean (*pre_finish) (GstMsdkEnc * encoder, GstBuffer **buf,
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|                                guint8 *data, gsize size);
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|   void (*flush_frames) (GstMsdkEnc * encoder);
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| 
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|   void (*set_timestamp) (GstMsdkEnc * encoder, mfxU64 pts);
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| 
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|   mfxU64 (*get_timestamp) (GstMsdkEnc * encoder);
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| 
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|   guint qp_max;
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|   guint qp_min;
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| };
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| 
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| struct _MsdkEncTask
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| {
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|   mfxSyncPoint sync_point;
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|   mfxBitstream output_bitstream;
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| };
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| 
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| GType gst_msdkenc_get_type (void);
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| 
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| void gst_msdkenc_add_extra_param (GstMsdkEnc * thiz, mfxExtBuffer * param);
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| 
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| void
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| gst_msdkenc_install_common_properties (GstMsdkEncClass *encoder_class);
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| 
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| gboolean
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| gst_msdkenc_set_common_property (GObject * object, guint prop_id,
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|                                  const GValue * value, GParamSpec * pspec);
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| gboolean
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| gst_msdkenc_get_common_property (GObject * object, guint prop_id,
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|                                  GValue * value, GParamSpec * pspec);
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| void
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| gst_msdkenc_ensure_extended_coding_options (GstMsdkEnc * thiz);
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| 
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| gboolean
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| gst_msdkenc_get_roi_params (GstMsdkEnc * thiz,
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|     GstVideoCodecFrame * frame, mfxExtEncoderROI * encoder_roi);
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| G_END_DECLS
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| 
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| #endif /* __GST_MSDKENC_H__ */
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