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217 lines
11 KiB
C
217 lines
11 KiB
C
/*
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* gstvaapiencode.h - VA-API video encoder
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*
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* Copyright (C) 2013-2014 Intel Corporation
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* Author: Wind Yuan <feng.yuan@intel.com>
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* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.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 Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#ifndef GST_VAAPIENCODE_H
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#define GST_VAAPIENCODE_H
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#include "gstvaapipluginbase.h"
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#include <gst/vaapi/gstvaapiencoder.h>
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G_BEGIN_DECLS
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#define GST_TYPE_VAAPIENCODE \
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(gst_vaapiencode_get_type ())
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#define GST_VAAPIENCODE_CAST(obj) \
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((GstVaapiEncode *)(obj))
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#define GST_VAAPIENCODE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_VAAPIENCODE, GstVaapiEncode))
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#define GST_VAAPIENCODE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_VAAPIENCODE, GstVaapiEncodeClass))
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#define GST_VAAPIENCODE_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_VAAPIENCODE, GstVaapiEncodeClass))
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#define GST_IS_VAAPIENCODE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VAAPIENCODE))
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#define GST_IS_VAAPIENCODE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_VAAPIENCODE))
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typedef struct _GstVaapiEncodeInitData GstVaapiEncodeInitData;
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struct _GstVaapiEncodeInitData
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{
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GstCaps *sink_caps;
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GstCaps *src_caps;
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};
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/* *INDENT-OFF* */
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#define GST_VAAPI_ENCODE_STATIC_SINK_CAPS \
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GST_VAAPI_MAKE_SURFACE_CAPS ", " \
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GST_CAPS_INTERLACED_FALSE "; " \
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GST_VIDEO_CAPS_MAKE (GST_VAAPI_FORMATS_ALL) ", " \
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GST_CAPS_INTERLACED_FALSE ";" \
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GST_VIDEO_CAPS_MAKE_WITH_FEATURES( \
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GST_CAPS_FEATURE_MEMORY_DMABUF, \
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GST_VAAPI_FORMATS_ALL) "," \
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GST_CAPS_INTERLACED_FALSE
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/* *INDENT-ON* */
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#define GST_VAAPI_ENCODE_REGISTER_TYPE(NAME, CODEC, CLASS, _EXT_FMT_, FUN) \
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static GstVaapiEncodeInitData encode_init_data = { NULL, NULL }; \
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static GType encode_type = G_TYPE_INVALID; \
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static gpointer gst_vaapiencode_##NAME##_parent_class = NULL; \
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static void \
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gst_vaapiencode_##NAME##_class_init ( \
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GstVaapiEncode##CLASS##Class * klass, gpointer data); \
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static void gst_vaapiencode_##NAME##_class_intern_init (gpointer klass, \
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gpointer data) \
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{ \
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gst_vaapiencode_##NAME##_parent_class = \
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g_type_class_peek_parent (klass); \
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gst_vaapiencode_##NAME##_class_init (klass, data); \
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} \
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static void \
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gst_vaapiencode_##NAME##_init (GstVaapiEncode##CLASS * encode); \
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GType \
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gst_vaapiencode_##NAME##_register_type (GstVaapiDisplay * display) \
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{ \
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GstCaps *caps; \
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guint i, n; \
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GTypeInfo type_info = { \
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sizeof (GstVaapiEncodeClass), \
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NULL, \
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NULL, \
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(GClassInitFunc) gst_vaapiencode_##NAME##_class_intern_init, \
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NULL, \
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NULL, \
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sizeof (GstVaapiEncode##CLASS), \
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0, \
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(GInstanceInitFunc) gst_vaapiencode_##NAME##_init, \
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}; \
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GArray *extra_fmts = NULL; \
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GstVideoFormat ext_video_fmts[] = _EXT_FMT_; \
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\
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GST_DEBUG_CATEGORY_INIT (gst_vaapi_##NAME##_encode_debug, \
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GST_PLUGIN_NAME, 0, GST_PLUGIN_DESC); \
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\
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if ((n = G_N_ELEMENTS (ext_video_fmts))) { \
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extra_fmts = \
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g_array_sized_new (FALSE, FALSE, sizeof (GstVideoFormat), n); \
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for (i = 0; i < n; i++) \
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g_array_append_val (extra_fmts, ext_video_fmts[i]); \
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} \
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caps = gst_vaapi_build_template_raw_caps_by_codec (display, \
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GST_VAAPI_CONTEXT_USAGE_ENCODE, \
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GST_VAAPI_CODEC_##CODEC, extra_fmts); \
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g_clear_pointer (&extra_fmts, g_array_unref); \
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if (!caps) { \
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GST_ERROR ("failed to get sink caps for " #CODEC \
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" encode, can not register"); \
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return G_TYPE_INVALID; \
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} \
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\
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for (i = 0; i < gst_caps_get_size (caps); i++) { \
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GstStructure *structure = gst_caps_get_structure (caps, i); \
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if (!structure) \
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continue; \
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gst_structure_set (structure, "interlace-mode", G_TYPE_STRING, \
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"progressive", NULL); \
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} \
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GST_DEBUG (#CODEC" encode's sink caps %" GST_PTR_FORMAT, caps); \
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\
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/* class data will be leaked if the element never gets instantiated */ \
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GST_MINI_OBJECT_FLAG_SET (caps, GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED); \
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encode_init_data.sink_caps = caps; \
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\
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caps = gst_vaapi_build_template_coded_caps_by_codec (display, \
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GST_VAAPI_CONTEXT_USAGE_ENCODE, \
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GST_VAAPI_CODEC_##CODEC, GST_CODEC_CAPS, \
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FUN); \
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if (!caps) { \
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GST_ERROR ("failed to get src caps for " #CODEC \
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" encode, can not register"); \
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gst_caps_unref (encode_init_data.sink_caps); \
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return G_TYPE_INVALID; \
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} \
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GST_DEBUG (#CODEC" encode's src caps %" GST_PTR_FORMAT, caps); \
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/* class data will be leaked if the element never gets instantiated */ \
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GST_MINI_OBJECT_FLAG_SET (caps, GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED); \
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encode_init_data.src_caps = caps; \
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type_info.class_data = &encode_init_data; \
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encode_type = g_type_register_static (GST_TYPE_VAAPIENCODE, \
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"GstVaapiEncode"#CLASS, &type_info, 0); \
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\
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return encode_type; \
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} \
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\
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GType \
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gst_vaapiencode_##NAME##_get_type (void) \
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{ \
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g_assert (encode_type != G_TYPE_INVALID); \
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return encode_type; \
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}
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typedef struct _GstVaapiEncode GstVaapiEncode;
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typedef struct _GstVaapiEncodeClass GstVaapiEncodeClass;
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struct _GstVaapiEncode
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{
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/*< private >*/
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GstVaapiPluginBase parent_instance;
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GstVaapiEncoder *encoder;
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GstVideoCodecState *input_state;
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gboolean input_state_changed;
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/* needs to be set by the subclass implementation */
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gboolean need_codec_data;
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GstVideoCodecState *output_state;
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GPtrArray *prop_values;
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GstCaps *allowed_sinkpad_caps;
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};
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struct _GstVaapiEncodeClass
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{
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/*< private >*/
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GstVaapiPluginBaseClass parent_class;
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guint prop_num;
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gboolean (*set_config) (GstVaapiEncode * encode);
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GstCaps * (*get_caps) (GstVaapiEncode * encode);
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GstVaapiEncoder * (*alloc_encoder) (GstVaapiEncode * encode,
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GstVaapiDisplay * display);
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GstFlowReturn (*alloc_buffer) (GstVaapiEncode * encode,
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GstVaapiCodedBuffer * coded_buf,
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GstBuffer ** outbuf_ptr);
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/* Get all possible profiles based on allowed caps */
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GArray * (*get_allowed_profiles) (GstVaapiEncode * encode,
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GstCaps * allowed);
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};
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GType
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gst_vaapiencode_get_type (void) G_GNUC_CONST;
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G_GNUC_INTERNAL
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void
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gst_vaapiencode_set_property_subclass (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec);
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G_GNUC_INTERNAL
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void
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gst_vaapiencode_get_property_subclass (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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G_GNUC_INTERNAL
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gboolean
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gst_vaapiencode_class_install_properties (GstVaapiEncodeClass * klass,
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GObjectClass * encoder_class);
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G_END_DECLS
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#endif /* GST_VAAPIENCODE_H */
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