mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-13 21:01:14 +00:00
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
|
|
* Copyright (C) <2017> Sean DuBois <sean@siobud.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
|
|
#ifndef __GST_AV1_ENC_H__
|
|
#define __GST_AV1_ENC_H__
|
|
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/video/video.h>
|
|
#include <gst/video/gstvideoencoder.h>
|
|
|
|
#include <aom/aom_codec.h>
|
|
#include <aom/aom_encoder.h>
|
|
#include <aom/aomcx.h>
|
|
|
|
G_BEGIN_DECLS
|
|
#define GST_TYPE_AV1_ENC \
|
|
(gst_av1_enc_get_type())
|
|
#define GST_AV1_ENC(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AV1_ENC,GstAV1Enc))
|
|
#define GST_AV1_ENC_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AV1_ENC,GstAV1EncClass))
|
|
#define GST_IS_AV1_ENC(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AV1_ENC))
|
|
#define GST_IS_AV1_ENC_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AV1_ENC))
|
|
#define GST_AV1_ENC_GET_CLASS(obj) \
|
|
(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_AV1_ENC, GstAV1EncClass))
|
|
#define GST_AV1_ENC_CAST(obj) \
|
|
((GstAV1Enc *) (obj))
|
|
|
|
typedef struct _GstAV1Enc GstAV1Enc;
|
|
typedef struct _GstAV1EncClass GstAV1EncClass;
|
|
|
|
/**
|
|
* GstAV1EncResizeMode:
|
|
* @GST_AV1_ENC_RESIZE_NONE: No frame resizing allowed
|
|
* @GST_AV1_ENC_RESIZE_FIXED: All frames are coded at the specified scale
|
|
* @GST_AV1_ENC_RESIZE_RANDOM: All frames are coded at a random scale
|
|
*
|
|
* Frame resize mode
|
|
*/
|
|
typedef enum
|
|
{
|
|
GST_AV1_ENC_RESIZE_NONE = 0,
|
|
GST_AV1_ENC_RESIZE_FIXED = 1,
|
|
GST_AV1_ENC_RESIZE_RANDOM = 2,
|
|
GST_AV1_ENC_RESIZE_MODES
|
|
} GstAV1EncResizeMode;
|
|
|
|
/**
|
|
* GstAV1EncSuperresMode
|
|
* @GST_AV1_ENC_SUPERRES_NONE: No frame superres allowed
|
|
* @GST_AV1_ENC_SUPERRES_FIXED: All frames are coded at the specified scale and
|
|
* super-resolved
|
|
* @GST_AV1_ENC_SUPERRES_QTHRESH: Superres scale for a frame is determined based
|
|
* on q_index
|
|
*
|
|
* Frame super-resolution mode
|
|
*/
|
|
typedef enum
|
|
{
|
|
GST_AV1_ENC_SUPERRES_NONE = 0,
|
|
GST_AV1_ENC_SUPERRES_FIXED = 1,
|
|
GST_AV1_ENC_SUPERRES_RANDOM = 2,
|
|
GST_AV1_ENC_SUPERRES_QTHRESH = 3,
|
|
GST_AV1_ENC_SUPERRES_MODES
|
|
} GstAV1EncSuperresMode;
|
|
|
|
/**
|
|
* GstAV1EncEndUsageMode
|
|
* @GST_AV1_ENC_END_USAGE_VBR: Variable Bit Rate Mode
|
|
* @GST_AV1_ENC_END_USAGE_CBR: Constant Bit Rate Mode
|
|
* @GST_AV1_ENC_END_USAGE_CQ: Constrained Quality Mode
|
|
* @GST_AV1_ENC_END_USAGE_Q: Constant Quality Mode
|
|
*
|
|
* Rate control algorithm to use
|
|
*/
|
|
|
|
typedef enum
|
|
{
|
|
GST_AV1_ENC_END_USAGE_VBR = 0,
|
|
GST_AV1_ENC_END_USAGE_CBR = 1,
|
|
GST_AV1_ENC_END_USAGE_CQ = 2,
|
|
GST_AV1_ENC_END_USAGE_Q = 3,
|
|
GST_AV1_ENC_END_USAGE_MODES
|
|
} GstAV1EncEndUsageMode;
|
|
|
|
struct _GstAV1Enc
|
|
{
|
|
GstVideoEncoder base_video_encoder;
|
|
|
|
/* properties */
|
|
guint keyframe_dist;
|
|
gint cpu_used;
|
|
gint threads;
|
|
gboolean row_mt;
|
|
guint tile_columns;
|
|
guint tile_rows;
|
|
|
|
/* state */
|
|
gboolean encoder_inited;
|
|
GstVideoCodecState *input_state;
|
|
aom_codec_enc_cfg_t aom_cfg;
|
|
aom_codec_ctx_t encoder;
|
|
aom_img_fmt_t format;
|
|
GMutex encoder_lock;
|
|
|
|
gboolean target_bitrate_set;
|
|
};
|
|
|
|
struct _GstAV1EncClass
|
|
{
|
|
GstVideoEncoderClass parent_class;
|
|
/*supported aom algo*/
|
|
aom_codec_iface_t *codec_algo;
|
|
};
|
|
|
|
GType gst_av1_enc_get_type (void);
|
|
|
|
G_END_DECLS
|
|
#endif /* __GST_AV1_ENC_H__ */
|