mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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9cb2eb4b9b
It can be used to force true CBR, and will cause the encoder to output null padding packets. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/908>
163 lines
4.3 KiB
C
163 lines
4.3 KiB
C
/* GStreamer H264 encoder plugin
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* Copyright (C) 2005 Michal Benes <michal.benes@itonis.tv>
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* Copyright (C) 2005 Josef Zlomek <josef.zlomek@itonis.tv>
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* Copyright (C) 2016 Sebastian Dröge <sebastian@centricular.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_X264_ENC_H__
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#define __GST_X264_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 "gstencoderbitrateprofilemanager.h"
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#ifdef HAVE_STDINT_H
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#include <stdint.h>
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#endif
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/* The x264.h header says this isn't needed with MinGW, but sometimes the
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* compiler is unable to correctly do the pointer indirection for us, which
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* leads to a segfault when you try to dereference any const values provided
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* by x264.dll. See: https://bugzilla.gnome.org/show_bug.cgi?id=779249 */
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#if defined(_WIN32) && !defined(X264_API_IMPORTS) && !defined(GST_STATIC_COMPILATION)
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# define X264_API_IMPORTS
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#endif
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#include <x264.h>
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G_BEGIN_DECLS
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#define GST_TYPE_X264_ENC \
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(gst_x264_enc_get_type())
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#define GST_X264_ENC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_X264_ENC,GstX264Enc))
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#define GST_X264_ENC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_X264_ENC,GstX264EncClass))
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#define GST_IS_X264_ENC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_X264_ENC))
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#define GST_IS_X264_ENC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_X264_ENC))
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typedef struct _GstX264Enc GstX264Enc;
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typedef struct _GstX264EncClass GstX264EncClass;
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typedef struct _GstX264EncVTable GstX264EncVTable;
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struct _GstX264Enc
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{
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GstVideoEncoder element;
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/*< private >*/
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GstX264EncVTable *vtable;
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x264_t *x264enc;
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x264_param_t x264param;
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gint current_byte_stream;
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/* List of frame/buffer mapping structs for
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* pending frames */
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GList *pending_frames;
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/* properties */
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guint threads;
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gboolean sliced_threads;
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gint sync_lookahead;
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gint pass;
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guint quantizer;
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gchar *mp_cache_file;
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gboolean byte_stream;
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guint bitrate;
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gboolean intra_refresh;
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gint me;
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guint subme;
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guint analyse;
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gboolean dct8x8;
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guint ref;
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guint bframes;
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gboolean b_adapt;
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gboolean b_pyramid;
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gboolean weightb;
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guint sps_id;
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gboolean au_nalu;
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gboolean trellis;
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guint vbv_buf_capacity;
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guint keyint_max;
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gboolean cabac;
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gfloat ip_factor;
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gfloat pb_factor;
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guint qp_min;
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guint qp_max;
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guint qp_step;
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gboolean mb_tree;
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gint rc_lookahead;
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guint noise_reduction;
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gboolean interlaced;
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gint speed_preset;
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gint psy_tune;
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guint tune;
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GString *tunings;
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GString *option_string_prop; /* option-string property */
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GString *option_string; /* used by set prop */
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gint frame_packing;
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gboolean insert_vui;
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gint nal_hrd;
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/* input description */
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GstVideoCodecState *input_state;
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/* configuration changed while playing */
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gboolean reconfig;
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/* from the downstream caps */
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const gchar *peer_profile;
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gboolean peer_intra_profile;
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gint peer_level_idc;
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/* cached values to set x264_picture_t */
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gint x264_nplanes;
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GstEncoderBitrateProfileManager *bitrate_manager;
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};
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struct _GstX264EncClass
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{
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GstVideoEncoderClass parent_class;
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};
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/**
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* GstX264EncNalHrd:
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* @GST_X264_ENC_NAL_HRD_NONE: Specify no HRD information
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* @GST_X264_ENC_NAL_HRD_VBR: Specify HRD information
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* @GST_X264_ENC_NAL_HRD_CBR: Specify HRD information and pack the bitstream
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*
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* Signal HRD information. Required for Blu-ray streams,
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* television broadcast and a few other specialist areas.
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*
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* Since: 1.26
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*/
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typedef enum
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{
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GST_X264_ENC_NAL_HRD_NONE = 0,
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GST_X264_ENC_NAL_HRD_VBR = 1,
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GST_X264_ENC_NAL_HRD_CBR = 2,
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} GstX264EncNalHrd;
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GType gst_x264_enc_get_type (void);
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GST_ELEMENT_REGISTER_DECLARE (x264enc);
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G_END_DECLS
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#endif /* __GST_X264_ENC_H__ */
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