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5320bb9085
It provides to set tile-columns and tile-rows configurations. The av1 codec allows an input image frame be partitioned into separate vertical or horizontal tile which can be encoded or decoded independently. It helps to encode/decode parallel.
139 lines
3.7 KiB
C
139 lines
3.7 KiB
C
/* GStreamer
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* Copyright (C) <2017> Sean DuBois <sean@siobud.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_AV1_ENC_H__
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#define __GST_AV1_ENC_H__
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <gst/video/gstvideoencoder.h>
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#include <aom/aom_codec.h>
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#include <aom/aom_encoder.h>
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#include <aom/aomcx.h>
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G_BEGIN_DECLS
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#define GST_TYPE_AV1_ENC \
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(gst_av1_enc_get_type())
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#define GST_AV1_ENC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AV1_ENC,GstAV1Enc))
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#define GST_AV1_ENC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AV1_ENC,GstAV1EncClass))
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#define GST_IS_AV1_ENC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AV1_ENC))
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#define GST_IS_AV1_ENC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AV1_ENC))
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#define GST_AV1_ENC_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_AV1_ENC, GstAV1EncClass))
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#define GST_AV1_ENC_CAST(obj) \
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((GstAV1Enc *) (obj))
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typedef struct _GstAV1Enc GstAV1Enc;
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typedef struct _GstAV1EncClass GstAV1EncClass;
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/**
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* GstAV1EncResizeMode:
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* @GST_AV1_ENC_RESIZE_NONE: No frame resizing allowed
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* @GST_AV1_ENC_RESIZE_FIXED: All frames are coded at the specified scale
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* @GST_AV1_ENC_RESIZE_RANDOM: All frames are coded at a random scale
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*
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* Frame resize mode
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*/
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typedef enum
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{
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GST_AV1_ENC_RESIZE_NONE = 0,
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GST_AV1_ENC_RESIZE_FIXED = 1,
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GST_AV1_ENC_RESIZE_RANDOM = 2,
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GST_AV1_ENC_RESIZE_MODES
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} GstAV1EncResizeMode;
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/**
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* GstAV1EncSuperresMode
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* @GST_AV1_ENC_SUPERRES_NONE: No frame superres allowed
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* @GST_AV1_ENC_SUPERRES_FIXED: All frames are coded at the specified scale and
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* super-resolved
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* @GST_AV1_ENC_SUPERRES_QTHRESH: Superres scale for a frame is determined based
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* on q_index
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*
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* Frame super-resolution mode
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*/
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typedef enum
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{
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GST_AV1_ENC_SUPERRES_NONE = 0,
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GST_AV1_ENC_SUPERRES_FIXED = 1,
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GST_AV1_ENC_SUPERRES_RANDOM = 2,
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GST_AV1_ENC_SUPERRES_QTHRESH = 3,
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GST_AV1_ENC_SUPERRES_MODES
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} GstAV1EncSuperresMode;
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/**
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* GstAV1EncEndUsageMode
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* @GST_AV1_ENC_END_USAGE_VBR: Variable Bit Rate Mode
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* @GST_AV1_ENC_END_USAGE_CBR: Constant Bit Rate Mode
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* @GST_AV1_ENC_END_USAGE_CQ: Constrained Quality Mode
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* @GST_AV1_ENC_END_USAGE_Q: Constant Quality Mode
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*
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* Rate control algorithm to use
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*/
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typedef enum
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{
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GST_AV1_ENC_END_USAGE_VBR = 0,
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GST_AV1_ENC_END_USAGE_CBR = 1,
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GST_AV1_ENC_END_USAGE_CQ = 2,
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GST_AV1_ENC_END_USAGE_Q = 3,
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GST_AV1_ENC_END_USAGE_MODES
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} GstAV1EncEndUsageMode;
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struct _GstAV1Enc
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{
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GstVideoEncoder base_video_encoder;
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/* properties */
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guint keyframe_dist;
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gint cpu_used;
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gint threads;
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gboolean row_mt;
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guint tile_columns;
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guint tile_rows;
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/* state */
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gboolean encoder_inited;
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GstVideoCodecState *input_state;
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aom_codec_enc_cfg_t aom_cfg;
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aom_codec_ctx_t encoder;
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aom_img_fmt_t format;
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GMutex encoder_lock;
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gboolean target_bitrate_set;
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};
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struct _GstAV1EncClass
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{
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GstVideoEncoderClass parent_class;
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/*supported aom algo*/
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aom_codec_iface_t *codec_algo;
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};
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GType gst_av1_enc_get_type (void);
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G_END_DECLS
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#endif /* __GST_AV1_ENC_H__ */
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