1 /* GStreamer Intel MSDK plugin
2 * Copyright (c) 2016, Oblong Industries, Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
15 * 3. Neither the name of the copyright holder nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
28 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
29 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 #ifndef __GST_MSDKENC_H__
33 #define __GST_MSDKENC_H__
36 #include <gst/video/gstvideoencoder.h>
38 #include "msdk-enums.h"
39 #include "gstmsdkcontext.h"
43 #define GST_TYPE_MSDKENC \
44 (gst_msdkenc_get_type())
45 #define GST_MSDKENC(obj) \
46 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MSDKENC,GstMsdkEnc))
47 #define GST_MSDKENC_CLASS(klass) \
48 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MSDKENC,GstMsdkEncClass))
49 #define GST_MSDKENC_GET_CLASS(obj) \
50 (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_MSDKENC,GstMsdkEncClass))
51 #define GST_IS_MSDKENC(obj) \
52 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MSDKENC))
53 #define GST_IS_MSDKENC_CLASS(klass) \
54 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MSDKENC))
56 #define MAX_EXTRA_PARAMS 8
58 typedef struct _GstMsdkEnc GstMsdkEnc;
59 typedef struct _GstMsdkEncClass GstMsdkEncClass;
60 typedef struct _MsdkEncTask MsdkEncTask;
65 GST_MSDKENC_PROP_HARDWARE,
66 GST_MSDKENC_PROP_ASYNC_DEPTH,
67 GST_MSDKENC_PROP_TARGET_USAGE,
68 GST_MSDKENC_PROP_RATE_CONTROL,
69 GST_MSDKENC_PROP_BITRATE,
70 GST_MSDKENC_PROP_MAX_FRAME_SIZE,
71 GST_MSDKENC_PROP_MAX_VBV_BITRATE,
72 GST_MSDKENC_PROP_AVBR_ACCURACY,
73 GST_MSDKENC_PROP_AVBR_CONVERGENCE,
74 GST_MSDKENC_PROP_RC_LOOKAHEAD_DEPTH,
78 GST_MSDKENC_PROP_GOP_SIZE,
79 GST_MSDKENC_PROP_REF_FRAMES,
80 GST_MSDKENC_PROP_I_FRAMES,
81 GST_MSDKENC_PROP_B_FRAMES,
82 GST_MSDKENC_PROP_NUM_SLICES,
83 GST_MSDKENC_PROP_MBBRC,
84 GST_MSDKENC_PROP_ADAPTIVE_I,
85 GST_MSDKENC_PROP_ADAPTIVE_B,
86 GST_MSDKENC_PROP_EXT_CODING_PROPS,
92 GstVideoEncoder element;
94 /* input description */
95 GstVideoCodecState *input_state;
97 /* List of frame/buffer mapping structs for
99 GList *pending_frames;
102 GstMsdkContext *context;
103 GstMsdkContext *old_context;
109 /* Extra frames for encoding, set by each element,
110 * the default value is 0 */
111 guint num_extra_frames;
114 mfxVideoParam vpp_param;
115 guint num_vpp_surfaces;
116 /* Input interfaces, output above */
117 mfxFrameAllocResponse vpp_alloc_resp;
118 mfxFrameAllocResponse alloc_resp;
120 mfxExtBuffer *extra_params[MAX_EXTRA_PARAMS];
121 guint num_extra_params;
123 /* Additional encoder coding options */
124 mfxExtCodingOption2 option2;
125 mfxExtCodingOption3 option3;
126 gboolean enable_extopt3;
128 /* parameters for per-frame based encoding control */
129 mfxEncodeCtrl enc_cntrl;
131 GstBufferPool *msdk_pool;
132 GstBufferPool *msdk_converted_pool;
133 GstVideoInfo aligned_info;
134 gboolean use_video_memory;
137 gboolean initialized;
139 /* element properties */
146 guint max_frame_size;
147 guint max_vbv_bitrate;
150 guint lookahead_depth;
163 GstStructure *ext_coding_props;
170 struct _GstMsdkEncClass
172 GstVideoEncoderClass parent_class;
174 gboolean (*set_format) (GstMsdkEnc * encoder);
175 gboolean (*configure) (GstMsdkEnc * encoder);
176 GstCaps *(*set_src_caps) (GstMsdkEnc * encoder);
177 /* Return TRUE if vpp is required before encoding
178 * @info (in), input video info
179 * @out_format (out), a pointer to the output format of vpp, which is set
182 gboolean (*need_conversion) (GstMsdkEnc * encoder, GstVideoInfo * info,
183 GstVideoFormat * out_format);
185 /* Return TRUE if sub class requires a recofnig */
186 gboolean (*need_reconfig) (GstMsdkEnc * encoder, GstVideoCodecFrame * frame);
188 /* Allow sub class set extra frame parameters */
189 void (*set_extra_params) (GstMsdkEnc * encoder, GstVideoCodecFrame * frame);
197 mfxSyncPoint sync_point;
198 mfxBitstream output_bitstream;
201 GType gst_msdkenc_get_type (void);
203 void gst_msdkenc_add_extra_param (GstMsdkEnc * thiz, mfxExtBuffer * param);
206 gst_msdkenc_install_common_properties (GstMsdkEncClass *encoder_class);
209 gst_msdkenc_set_common_property (GObject * object, guint prop_id,
210 const GValue * value, GParamSpec * pspec);
212 gst_msdkenc_get_common_property (GObject * object, guint prop_id,
213 GValue * value, GParamSpec * pspec);
215 gst_msdkenc_ensure_extended_coding_options (GstMsdkEnc * thiz);
218 gst_msdkenc_get_roi_params (GstMsdkEnc * thiz,
219 GstVideoCodecFrame * frame, mfxExtEncoderROI * encoder_roi);
222 #endif /* __GST_MSDKENC_H__ */