gstreamer/subprojects/gst-plugins-bad/ext/aom/gstav1enc.h

142 lines
3.7 KiB
C
Raw Normal View History

/* 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);
GST_ELEMENT_REGISTER_DECLARE (av1enc);
G_END_DECLS
#endif /* __GST_AV1_ENC_H__ */