mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-07-04 13:45:52 +00:00
88 lines
3.1 KiB
C
88 lines
3.1 KiB
C
/*
|
|
* gstvaapiutils_h26x_priv.h - H.26x related utilities
|
|
*
|
|
* Copyright (C) 2011-2014 Intel Corporation
|
|
* Author: Gwenole Beauchesne
|
|
* Copyright (C) 2017 Intel Corporation
|
|
* Author: Hyunjun Ko <zzoon@igalia.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public License
|
|
* as published by the Free Software Foundation; either version 2.1
|
|
* 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free
|
|
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef GST_VAAPI_UTILS_H26X_PRIV_H
|
|
#define GST_VAAPI_UTILS_H26X_PRIV_H
|
|
|
|
#include <gst/base/gstbitwriter.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
/* Default CPB length (in milliseconds) */
|
|
#define DEFAULT_CPB_LENGTH 1500
|
|
|
|
/* Scale factor for CPB size (HRD cpb_size_scale: min = 4) */
|
|
#define SX_CPB_SIZE 4
|
|
|
|
/* Scale factor for bitrate (HRD bit_rate_scale: min = 6) */
|
|
#define SX_BITRATE 6
|
|
|
|
/* Define default rate control mode ("constant-qp") */
|
|
#define DEFAULT_RATECONTROL GST_VAAPI_RATECONTROL_CQP
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
/* --- H.264/265 Bitstream Writer --- */
|
|
/* ------------------------------------------------------------------------- */
|
|
|
|
#define WRITE_UINT32(bs, val, nbits) \
|
|
G_STMT_START { \
|
|
if (!gst_bit_writer_put_bits_uint32 (bs, val, nbits)) { \
|
|
GST_WARNING ("failed to write uint32, nbits: %d", nbits); \
|
|
goto bs_error; \
|
|
} \
|
|
} G_STMT_END
|
|
|
|
#define WRITE_UE(bs, val) \
|
|
G_STMT_START { \
|
|
if (!bs_write_ue (bs, val)) { \
|
|
GST_WARNING ("failed to write ue(v)"); \
|
|
goto bs_error; \
|
|
} \
|
|
} G_STMT_END
|
|
|
|
#define WRITE_SE(bs, val) \
|
|
G_STMT_START { \
|
|
if (!bs_write_se (bs, val)) { \
|
|
GST_WARNING ("failed to write se(v)"); \
|
|
goto bs_error; \
|
|
} \
|
|
} G_STMT_END
|
|
|
|
G_GNUC_INTERNAL
|
|
gboolean
|
|
bs_write_ue (GstBitWriter * bs, guint32 value);
|
|
|
|
G_GNUC_INTERNAL
|
|
gboolean
|
|
bs_write_se (GstBitWriter * bs, gint32 value);
|
|
|
|
/* Write nal unit, applying emulation prevention bytes */
|
|
G_GNUC_INTERNAL
|
|
gboolean
|
|
gst_vaapi_utils_h26x_write_nal_unit (GstBitWriter * bs, guint8 * nal, guint nal_size);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* GST_VAAPI_UTILS_H26X_PRIV_H */
|