gstreamer/ext/x264/gstx264enc.h
Seungha Yang 7e63943361 x264enc: Avoid format decision per frame
Avoid switch/case per frame for format decision and detect the format
only if where it could be changed. Note that, whenever encoder->input_state
is changed, gst_x264_enc_init_encoder() is called.

https://bugzilla.gnome.org/show_bug.cgi?id=797164
2018-09-22 12:42:34 +01:00

140 lines
3.7 KiB
C

/* GStreamer H264 encoder plugin
* Copyright (C) 2005 Michal Benes <michal.benes@itonis.tv>
* Copyright (C) 2005 Josef Zlomek <josef.zlomek@itonis.tv>
* Copyright (C) 2016 Sebastian Dröge <sebastian@centricular.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_X264_ENC_H__
#define __GST_X264_ENC_H__
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/video/gstvideoencoder.h>
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif
/* The x264.h header says this isn't needed with MinGW, but sometimes the
* compiler is unable to correctly do the pointer indirection for us, which
* leads to a segfault when you try to dereference any const values provided
* by x264.dll. See: https://bugzilla.gnome.org/show_bug.cgi?id=779249 */
#if defined(_WIN32) && !defined(X264_API_IMPORTS)
# define X264_API_IMPORTS
#endif
#include <x264.h>
G_BEGIN_DECLS
#define GST_TYPE_X264_ENC \
(gst_x264_enc_get_type())
#define GST_X264_ENC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_X264_ENC,GstX264Enc))
#define GST_X264_ENC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_X264_ENC,GstX264EncClass))
#define GST_IS_X264_ENC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_X264_ENC))
#define GST_IS_X264_ENC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_X264_ENC))
typedef struct _GstX264Enc GstX264Enc;
typedef struct _GstX264EncClass GstX264EncClass;
typedef struct _GstX264EncVTable GstX264EncVTable;
struct _GstX264Enc
{
GstVideoEncoder element;
/*< private >*/
GstX264EncVTable *vtable;
x264_t *x264enc;
x264_param_t x264param;
gint current_byte_stream;
/* List of frame/buffer mapping structs for
* pending frames */
GList *pending_frames;
/* properties */
guint threads;
gboolean sliced_threads;
gint sync_lookahead;
gint pass;
guint quantizer;
gchar *mp_cache_file;
gboolean byte_stream;
guint bitrate;
gboolean intra_refresh;
gint me;
guint subme;
guint analyse;
gboolean dct8x8;
guint ref;
guint bframes;
gboolean b_adapt;
gboolean b_pyramid;
gboolean weightb;
guint sps_id;
gboolean au_nalu;
gboolean trellis;
guint vbv_buf_capacity;
guint keyint_max;
gboolean cabac;
gfloat ip_factor;
gfloat pb_factor;
guint qp_min;
guint qp_max;
guint qp_step;
gboolean mb_tree;
gint rc_lookahead;
guint noise_reduction;
gboolean interlaced;
gint speed_preset;
gint psy_tune;
guint tune;
GString *tunings;
GString *option_string_prop; /* option-string property */
GString *option_string; /* used by set prop */
gint frame_packing;
gboolean insert_vui;
/* input description */
GstVideoCodecState *input_state;
/* configuration changed while playing */
gboolean reconfig;
/* from the downstream caps */
const gchar *peer_profile;
gboolean peer_intra_profile;
gint peer_level_idc;
/* cached values to set x264_picture_t */
gint x264_nplanes;
};
struct _GstX264EncClass
{
GstVideoEncoderClass parent_class;
};
GType gst_x264_enc_get_type (void);
G_END_DECLS
#endif /* __GST_X264_ENC_H__ */