/*****************************************************************************
* x264.h: x264 public header
*****************************************************************************
* Copyright (C) 2003-2012 x264 project
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Loren Merritt <lorenm@u.washington.edu>
* Jason Garrett-Glaser <darkshikari@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
*
* This program is also available under a commercial proprietary license.
* For more information, contact us at licensing@x264.com.
*****************************************************************************/
#ifndef X264_X264_H
#define X264_X264_H
#if !defined(_STDINT_H) && !defined(_STDINT_H_) && \
!defined(_INTTYPES_H) && !defined(_INTTYPES_H_)
# ifdef _MSC_VER
# pragma message("You must include stdint.h or inttypes.h before x264.h")
# else
# warning You must include stdint.h or inttypes.h before x264.h
# endif
#endif
#include <stdarg.h>
#include "x264_config.h"
#define X264_BUILD 128
/* Application developers planning to link against a shared library version of
* libx264 from a Microsoft Visual Studio or similar development environment
* will need to define X264_API_IMPORTS before including this header.
* This clause does not apply to MinGW, similar development environments, or non
* Windows platforms. */
#ifdef X264_API_IMPORTS
#define X264_API __declspec(dllimport)
#else
#define X264_API
#endif
/* x264_t:
* opaque handler for encoder */
typedef struct x264_t x264_t;
/****************************************************************************
* NAL structure and functions
****************************************************************************/
enum nal_unit_type_e
{
NAL_UNKNOWN = 0,
NAL_SLICE = 1,
NAL_SLICE_DPA = 2,
NAL_SLICE_DPB = 3,
NAL_SLICE_DPC = 4,
NAL_SLICE_IDR = 5, /* ref_idc != 0 */
NAL_SEI = 6, /* ref_idc == 0 */
NAL_SPS = 7,
NAL_PPS = 8,
NAL_AUD = 9,
NAL_FILLER = 12,
/* ref_idc == 0 for 6,9,10,11,12 */
};
enum nal_priority_e
{
NAL_PRIORITY_DISPOSABLE = 0,
NAL_PRIORITY_LOW = 1,
NAL_PRIORITY_HIGH = 2,
NAL_PRIORITY_HIGHEST = 3,
};
/* The data within the payload is already NAL-encapsulated; the ref_idc and type
* are merely in the struct for easy access by the calling application.
* All data returned in an x264_nal_t, including the data in p_payload, is no longer
* valid after the next call to x264_encoder_encode. Thus it must be used or copied
* before calling x264_encoder_encode or x264_encoder_headers again. */
typedef struct
{
int i_ref_idc; /* nal_priority_e */
int i_type; /* nal_unit_type_e */
int b_long_startcode;
int i_first_mb; /* If this NAL is a slice, the index of the first MB in the slice. */
int i_last_mb; /* If this NAL is a slice, the index of the last MB in the slice. */
/* Size of payload in bytes. */
int i_payload;
/* If param->b_annexb is set, Annex-B bytestream with startcode.
* Otherwise, startcode is replaced with a 4-byte size.
* This size is the size used in mp4/similar muxing; it is equal to i_payload-4 */
uint8_t *p_payload;
} x264_nal_t;
/****************************************************************************
* Encoder parameters
****************************************************************************/
/* CPU flags
*/
#define X264_CPU_CACHELINE_32 0x0000001 /* avoid memory loads that span the border between two cachelines */
#define X264_CPU_CACHELINE_64 0x0000002 /* 32/64 is the size of a cacheline in bytes */
#define X264_CPU_ALTIVEC 0x0000004
#define X264_CPU_MMX 0x0000008
#define X264_CPU_MMX2 0x0000010 /* MMX2 aka MMXEXT aka ISSE */
#define X264_CPU_MMXEXT X264_CPU_MMX2
#define X264_CPU_SSE 0x0000020
#define X264_CPU_SSE2 0x0000040
#define X264_CPU_SSE2_IS_SLOW 0x0000080 /* avoid most SSE2 functions on Athlon64 */
#define X264_CPU_SSE2_IS_FAST 0x0000100 /* a few functions are only faster on Core2 and Phenom */
#define X264_CPU_SSE3 0x0000200
#define X264_CPU_SSSE3 0x0000400
#define X264_CPU_SHUFFLE_IS_FAST 0x0000800 /* Penryn, Nehalem, and Phenom have fast shuffle units */
#define X264_CPU_STACK_MOD4 0x0001000 /* if stack is only mod4 and not mod16 */
#define X264_CPU_SSE4 0x0002000 /* SSE4.1 */
#define X264_CPU_SSE42 0x0004000 /* SSE4.2 */
#define X264_CPU_SSE_MISALIGN 0x0008000 /* Phenom support for misaligned SSE instruction arguments */
#define X264_CPU_LZCNT 0x0010000 /* Phenom support for "leading zero count" instruction. */
#define X264_CPU_ARMV6 0x0020000
#define X264_CPU_NEON 0x0040000 /* ARM NEON */
#define X264_CPU_FAST_NEON_MRC 0x0080000 /* Transfer from NEON to ARM register is fast (Cortex-A9) */
#define X264_CPU_SLOW_CTZ 0x0100000 /* BSR/BSF x86 instructions are really slow on some CPUs */
#define X264_CPU_SLOW_ATOM 0x0200000 /* The Atom just sucks */
#define X264_CPU_AVX 0x0400000 /* AVX support: requires OS support even if YMM registers
* aren't used. */
#define X264_CPU_XOP 0x0800000 /* AMD XOP */
#define X264_CPU_FMA4 0x1000000 /* AMD FMA4 */
#define X264_CPU_AVX2 0x2000000 /* AVX2 */
#define X264_CPU_FMA3 0x4000000 /* Intel FMA3 */
#define X264_CPU_BMI1 0x8000000 /* BMI1 */
#define X264_CPU_BMI2 0x10000000 /* BMI2 */
#define X264_CPU_TBM 0x20000000 /* AMD TBM */
/* Analyse flags
*/
#define X264_ANALYSE_I4x4 0x0001 /* Analyse i4x4 */
#define X264_ANALYSE_I8x8 0x0002 /* Analyse i8x8 (requires 8x8 transform) */
#define X264_ANALYSE_PSUB16x16 0x0010 /* Analyse p16x8, p8x16 and p8x8 */
#define X264_ANALYSE_PSUB8x8 0x0020 /* Analyse p8x4, p4x8, p4x4 */
#define X264_ANALYSE_BSUB16x16 0x0100 /* Analyse b16x8, b8x16 and b8x8 */
#define X264_DIRECT_PRED_NONE 0
#define X264_DIRECT_PRED_SPATIAL 1
#define X264_DIRECT_PRED_TEMPORAL 2
#define X264_DIRECT_PRED_AUTO 3
#define X264_ME_DIA 0
#define X264_ME_HEX 1
#define X264_ME_UMH 2
#define X264_ME_ESA 3
#define X264_ME_TESA 4
#define X264_CQM_FLAT 0
#define X264_CQM_JVT 1
#define X264_CQM_CUSTOM 2
#define X264_RC_CQP 0
#define X264_RC_CRF 1
#define X264_RC_ABR 2
#define X264_QP_AUTO 0
#define X264_AQ_NONE 0
#define X264_AQ_VARIANCE 1
#define X264_AQ_AUTOVARIANCE 2
#define X264_B_ADAPT_NONE 0
#define X264_B_ADAPT_FAST 1
#define X264_B_ADAPT_TRELLIS 2
#define X264_WEIGHTP_NONE 0
#define X264_WEIGHTP_SIMPLE 1
#define X264_WEIGHTP_SMART 2
#define X264_B_PYRAMID_NONE 0
#define X264_B_PYRAMID_STRICT 1
#define X264_B_PYRAMID_NORMAL 2
#define X264_KEYINT_MIN_AUTO 0
#define X264_KEYINT_MAX_INFINITE (1<<30)
static const char * const x264_direc
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