/*****************************************************************************
* x264.h: h264 encoder library
*****************************************************************************
- * Copyright (C) 2003 Laurent Aimar
- * $Id: x264.h,v 1.1 2004/06/03 19:24:12 fenrir Exp $
+ * Copyright (C) 2003-2008 x264 Project
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
+ * Loren Merritt <lorenm@u.washington.edu>
*
* 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
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
*****************************************************************************/
-#ifndef _X264_H
-#define _X264_H 1
+#ifndef X264_X264_H
+#define X264_X264_H
#if !defined(_STDINT_H) && !defined(_STDINT_H_) && \
!defined(_INTTYPES_H) && !defined(_INTTYPES_H_)
#include <stdarg.h>
-#define X264_BUILD 56
+#define X264_BUILD 67
/* x264_t:
* opaque handler for encoder */
****************************************************************************/
/* CPU flags
*/
-#define X264_CPU_MMX 0x000001 /* mmx */
-#define X264_CPU_MMXEXT 0x000002 /* mmx-ext*/
-#define X264_CPU_SSE 0x000004 /* sse */
-#define X264_CPU_SSE2 0x000008 /* sse 2 */
-#define X264_CPU_3DNOW 0x000010 /* 3dnow! */
-#define X264_CPU_3DNOWEXT 0x000020 /* 3dnow! ext */
-#define X264_CPU_ALTIVEC 0x000040 /* altivec */
-#define X264_CPU_SSE3 0x000080 /* sse 3 */
-#define X264_CPU_SSSE3 0x000100 /* ssse 3 */
+#define X264_CPU_CACHELINE_32 0x000001 /* avoid memory loads that span the border between two cachelines */
+#define X264_CPU_CACHELINE_64 0x000002 /* 32/64 is the size of a cacheline in bytes */
+#define X264_CPU_ALTIVEC 0x000004
+#define X264_CPU_MMX 0x000008
+#define X264_CPU_MMXEXT 0x000010 /* MMX2 aka MMXEXT aka ISSE */
+#define X264_CPU_SSE 0x000020
+#define X264_CPU_SSE2 0x000040
+#define X264_CPU_SSE2_IS_SLOW 0x000080 /* avoid most SSE2 functions on Athlon64 */
+#define X264_CPU_SSE2_IS_FAST 0x000100 /* a few functions are only faster on Core2 and Phenom */
+#define X264_CPU_SSE3 0x000200
+#define X264_CPU_SSSE3 0x000400
+#define X264_CPU_SHUFFLE_IS_FAST 0x000800 /* Penryn, Nehalem, and Phenom have fast shuffle units */
+#define X264_CPU_STACK_MOD4 0x001000 /* if stack is only mod4 and not mod16 */
+#define X264_CPU_SSE4 0x002000 /* SSE4.1 */
+#define X264_CPU_SSE42 0x004000 /* SSE4.2 */
+#define X264_CPU_SSE_MISALIGN 0x008000 /* Phenom support for misaligned SSE instruction arguments */
+#define X264_CPU_LZCNT 0x010000 /* Phenom support for "leading zero count" instruction. */
/* Analyse flags
*/
#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_AQ_NONE 0
+#define X264_AQ_VARIANCE 1
+#define X264_B_ADAPT_NONE 0
+#define X264_B_ADAPT_FAST 1
+#define X264_B_ADAPT_TRELLIS 2
static const char * const x264_direct_pred_names[] = { "none", "spatial", "temporal", "auto", 0 };
-static const char * const x264_motion_est_names[] = { "dia", "hex", "umh", "esa", 0 };
+static const char * const x264_motion_est_names[] = { "dia", "hex", "umh", "esa", "tesa", 0 };
static const char * const x264_overscan_names[] = { "undef", "show", "crop", 0 };
static const char * const x264_vidformat_names[] = { "component", "pal", "ntsc", "secam", "mac", "undef", 0 };
static const char * const x264_fullrange_names[] = { "off", "on", 0 };
static const char * const x264_colmatrix_names[] = { "GBR", "bt709", "undef", "", "fcc", "bt470bg", "smpte170m", "smpte240m", "YCgCo", 0 };
/* Colorspace type
+ * legacy only; nothing other than I420 is really supported.
*/
#define X264_CSP_MASK 0x00ff /* */
#define X264_CSP_NONE 0x0000 /* Invalid mode */
int i_width;
int i_height;
int i_csp; /* CSP of encoded bitstream, only i420 supported */
- int i_level_idc;
+ int i_level_idc;
int i_frame_total; /* number of frames to encode if known, else 0 */
struct
int i_sar_width;
int i_overscan; /* 0=undef, 1=no overscan, 2=overscan */
-
+
/* see h264 annex E for the values of the following */
int i_vidformat;
int b_fullrange;
int i_keyint_max; /* Force an IDR keyframe at this interval */
int i_keyint_min; /* Scenecuts closer together than this are coded as I, not IDR. */
int i_scenecut_threshold; /* how aggressively to insert extra I frames */
- int b_pre_scenecut; /* compute scenecut on lowres frames */
int i_bframe; /* how many b-frame between 2 references pictures */
- int b_bframe_adaptive;
+ int i_bframe_adaptive;
int i_bframe_bias;
int b_bframe_pyramid; /* Keep some B-frames as references */
void *p_log_private;
int i_log_level;
int b_visualize;
+ char *psz_dump_yuv; /* filename for reconstructed frames */
/* Encoder analyser parameters */
struct
int b_transform_8x8;
int b_weighted_bipred; /* implicit weighting for B-frames */
int i_direct_mv_pred; /* spatial vs temporal mv prediction */
- int i_direct_8x8_inference; /* forbid 4x4 direct partitions. -1 = auto, based on level */
int i_chroma_qp_offset;
int i_me_method; /* motion estimation algorithm to use (X264_ME_*) */
int i_mv_range; /* maximum length of a mv (in pixels). -1 = auto, based on level */
int i_mv_range_thread; /* minimum space between threads. -1 = auto, based on number of threads. */
int i_subpel_refine; /* subpixel motion estimation quality */
- int b_bidir_me; /* jointly optimize both MVs in B-frames */
int b_chroma_me; /* chroma ME for subpel and mode decision in P-frames */
- int b_bframe_rdo; /* RD based mode decision for B-frames */
int b_mixed_references; /* allow each mb partition in P-frames to have it's own reference number */
int i_trellis; /* trellis RD quantization */
int b_fast_pskip; /* early SKIP detection on P-frames */
int b_dct_decimate; /* transform coefficient thresholding on P-frames */
int i_noise_reduction; /* adaptive pseudo-deadzone */
+ float f_psy_rd; /* Psy RD strength */
+ float f_psy_trellis; /* Psy trellis strength */
/* the deadzone size that will be used in luma quantization */
int i_luma_deadzone[2]; /* {inter, intra} */
float f_rate_tolerance;
int i_vbv_max_bitrate;
int i_vbv_buffer_size;
- float f_vbv_buffer_init;
+ float f_vbv_buffer_init; /* <=1: fraction of buffer_size. >1: kbit */
float f_ip_factor;
float f_pb_factor;
+ int i_aq_mode; /* psy adaptive QP. (X264_AQ_*) */
+ float f_aq_strength;
+
/* 2pass */
int b_stat_write; /* Enable stat writing in psz_stat_out */
char *psz_stat_out;
char *psz_stat_in;
/* 2pass params (same as ffmpeg ones) */
- char *psz_rc_eq; /* 2 pass rate control equation */
float f_qcompress; /* 0.0 => cbr, 1.0 => constant qp */
float f_qblur; /* temporally blur quants */
float f_complexity_blur; /* temporally blur complexity */
typedef struct
{
- /* In: force picture type (if not auto) XXX: ignored for now
+ /* In: force picture type (if not auto)
+ * If x264 encoding parameters are violated in the forcing of picture types,
+ * x264 will correct the input picture type and log a warning.
+ * The quality of frametype decisions may suffer if a great deal of fine-grained
+ * mixing of auto and forced frametypes is done.
* Out: type of the picture encoded */
int i_type;
/* In: force quantizer for > 0 */
* XXX: it currently doesn't check for overflow */
int x264_nal_encode( void *, int *, int b_annexeb, x264_nal_t *nal );
-/* x264_nal_decode:
- * decode a buffer nal into a x264_nal_t */
-int x264_nal_decode( x264_nal_t *nal, void *, int );
-
/****************************************************************************
* Encoder functions:
****************************************************************************/