X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=x264.h;h=7b3904951c68593c708e0d50a02f5fd9471e16d3;hb=f9ad5ee2564bb272635f0c69fefa28e0b1b47f37;hp=c934bd1cfaded2eb90a2c9df01d21d15b94145a7;hpb=470e1b284f31e294119c7bc457a762488b34dd60;p=x264 diff --git a/x264.h b/x264.h index c934bd1c..7b390495 100644 --- a/x264.h +++ b/x264.h @@ -21,15 +21,24 @@ * Foundation, Inc., 59 Temple Place - Suite 330, 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_) +# 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 -#define X264_BUILD 27 +#define X264_BUILD 59 /* x264_t: - * opaque handler for decoder and encoder */ + * opaque handler for encoder */ typedef struct x264_t x264_t; /**************************************************************************** @@ -44,22 +53,51 @@ typedef struct x264_t x264_t; #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_SPLIT 0x200 /* avoid memory loads that span the border between two cachelines */ +#define X264_CPU_CACHELINE_32 0x0400 /* size of a cacheline in bytes */ +#define X264_CPU_CACHELINE_64 0x0800 +#define X264_CPU_SSE4 0x001000 /* sse 4.1 */ /* 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_NONE -1 +#define X264_RC_CQP 0 +#define X264_RC_CRF 1 +#define X264_RC_ABR 2 +#define X264_AQ_NONE 0 +#define X264_AQ_LOCAL 1 +#define X264_AQ_GLOBAL 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", "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_colorprim_names[] = { "", "bt709", "undef", "", "bt470m", "bt470bg", "smpte170m", "smpte240m", "film", 0 }; +static const char * const x264_transfer_names[] = { "", "bt709", "undef", "", "bt470m", "bt470bg", "smpte170m", "smpte240m", "linear", "log100", "log316", 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 */ @@ -71,6 +109,7 @@ typedef struct x264_t x264_t; #define X264_CSP_RGB 0x0006 /* rgb 24bits */ #define X264_CSP_BGR 0x0007 /* bgr 24bits */ #define X264_CSP_BGRA 0x0008 /* bgr 32bits */ +#define X264_CSP_MAX 0x0009 /* end of list */ #define X264_CSP_VFLIP 0x1000 /* */ /* Slice type @@ -92,30 +131,47 @@ typedef struct x264_t x264_t; #define X264_LOG_INFO 2 #define X264_LOG_DEBUG 3 +/* Zones: override ratecontrol or other options for specific sections of the video. + * See x264_encoder_reconfig() for which options can be changed. + * If zones overlap, whichever comes later in the list takes precedence. */ typedef struct { - int i_start, i_end; - int b_force_qp; + int i_start, i_end; /* range of frame numbers */ + int b_force_qp; /* whether to use qp vs bitrate factor */ int i_qp; float f_bitrate_factor; + struct x264_param_t *param; } x264_zone_t; -typedef struct +typedef struct x264_param_t { /* CPU flags */ unsigned int cpu; + int i_threads; /* encode multiple frames in parallel */ + int b_deterministic; /* whether to allow non-deterministic optimizations when threaded */ /* Video Properties */ int i_width; int i_height; int i_csp; /* CSP of encoded bitstream, only i420 supported */ int i_level_idc; + int i_frame_total; /* number of frames to encode if known, else 0 */ struct { /* they will be reduced to be 0 < x <= 65535 and prime */ int i_sar_height; 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_colorprim; + int i_transfer; + int i_colmatrix; + int i_chroma_loc; /* both top & bottom */ } vui; int i_fps_num; @@ -126,6 +182,7 @@ typedef struct 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_bias; @@ -138,50 +195,79 @@ typedef struct int b_cabac; int i_cabac_init_idc; + int b_interlaced; + + int i_cqm_preset; + char *psz_cqm_file; /* JM format */ + uint8_t cqm_4iy[16]; /* used only if i_cqm_preset == X264_CQM_CUSTOM */ + uint8_t cqm_4ic[16]; + uint8_t cqm_4py[16]; + uint8_t cqm_4pc[16]; + uint8_t cqm_8iy[64]; + uint8_t cqm_8py[64]; /* Log */ void (*pf_log)( void *, int i_level, const char *psz, va_list ); void *p_log_private; int i_log_level; int b_visualize; + char *psz_dump_yuv; /* filename for reconstructed frames */ /* Encoder analyser parameters */ struct { - unsigned int intra; /* intra flags */ - unsigned int inter; /* inter flags */ + unsigned int intra; /* intra partitions */ + unsigned int inter; /* inter partitions */ + 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_me_range; /* integer pixel motion estimation search range (from predicted mv) */ + 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 i_mv_range; /* maximum length of a mv (in pixels) */ - - int b_weighted_bipred; /* implicit weighting for B-frames */ - - int i_chroma_qp_offset; - - int b_psnr; /* Do we compute PSNR stats (save a few % of cpu) */ + 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 */ + + /* the deadzone size that will be used in luma quantization */ + int i_luma_deadzone[2]; /* {inter, intra} */ + + int b_psnr; /* compute and print PSNR stats */ + int b_ssim; /* compute and print SSIM stats */ } analyse; /* Rate control parameters */ struct { - int i_qp_constant; /* 1-51 */ + int i_rc_method; /* X264_RC_* */ + + int i_qp_constant; /* 0-51 */ int i_qp_min; /* min allowed QP value */ int i_qp_max; /* max allowed QP value */ int i_qp_step; /* max QP step between frames */ - int b_cbr; /* use bitrate instead of CQP */ int i_bitrate; + float f_rf_constant; /* 1pass VBR, nominal QP */ 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; @@ -193,17 +279,50 @@ typedef struct float f_qcompress; /* 0.0 => cbr, 1.0 => constant qp */ float f_qblur; /* temporally blur quants */ float f_complexity_blur; /* temporally blur complexity */ - int i_zones; x264_zone_t *zones; /* ratecontrol overrides */ + int i_zones; /* number of zone_t's */ + char *psz_zones; /* alternate method of specifying zones */ } rc; + /* Muxing parameters */ int b_aud; /* generate access unit delimiters */ + int b_repeat_headers; /* put SPS/PPS before each keyframe */ + int i_sps_id; /* SPS and PPS id number */ } x264_param_t; +typedef struct { + int level_idc; + int mbps; /* max macroblock processing rate (macroblocks/sec) */ + int frame_size; /* max frame size (macroblocks) */ + int dpb; /* max decoded picture buffer (bytes) */ + int bitrate; /* max bitrate (kbit/sec) */ + int cpb; /* max vbv buffer (kbit) */ + int mv_range; /* max vertical mv component range (pixels) */ + int mvs_per_2mb; /* max mvs per 2 consecutive mbs. */ + int slice_rate; /* ?? */ + int bipred8x8; /* limit bipred to >=8x8 */ + int direct8x8; /* limit b_direct to >=8x8 */ + int frame_only; /* forbid interlacing */ +} x264_level_t; + +/* all of the levels defined in the standard, terminated by .level_idc=0 */ +extern const x264_level_t x264_levels[]; + /* x264_param_default: * fill x264_param_t with default values and do CPU detection */ void x264_param_default( x264_param_t * ); +/* x264_param_parse: + * set one parameter by name. + * returns 0 on success, or returns one of the following errors. + * note: BAD_VALUE occurs only if it can't even parse the value, + * numerical range is not checked until x264_encoder_open() or + * x264_encoder_reconfig(). + * value=NULL means "true" for boolean options, but is a BAD_VALUE for non-booleans. */ +#define X264_PARAM_BAD_NAME (-1) +#define X264_PARAM_BAD_VALUE (-2) +int x264_param_parse( x264_param_t *, const char *name, const char *value ); + /**************************************************************************** * Picture structures and functions. ****************************************************************************/ @@ -306,34 +425,4 @@ int x264_encoder_encode ( x264_t *, x264_nal_t **, int *, x264_picture_t *, * close an encoder handler */ void x264_encoder_close ( x264_t * ); -/* XXX: decoder isn't working so no need to export it */ -#if 0 -/**************************************************************************** - * Decoder functions: - **************************************************************************** - * XXX: Not yet working so do not try ... - ****************************************************************************/ -/* x264_decoder_open: - */ -x264_t *x264_decoder_open ( x264_param_t * ); -/* x264_decoder_decode: - */ -int x264_decoder_decode ( x264_t *, x264_picture_t **, x264_nal_t * ); -/* x264_decoder_close: - */ -void x264_decoder_close ( x264_t * ); -#endif - -/**************************************************************************** - * Private stuff for internal usage: - ****************************************************************************/ -#ifdef __X264__ -# ifdef _MSC_VER -# define inline __inline -# define DECLARE_ALIGNED( type, var, n ) __declspec(align(n)) type var -# else -# define DECLARE_ALIGNED( type, var, n ) type var __attribute__((aligned(n))) -# endif -#endif - #endif