X-Git-Url: http://47.100.26.94:8080/?a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjni%2Finclude%2Fx264.h;fp=app%2Fsrc%2Fmain%2Fjni%2Finclude%2Fx264.h;h=0000000000000000000000000000000000000000;hb=577426ccc66649228285c4a0b6ba8752836059c6;hp=0f34067297ed248dc45752ce8f1961d0bd51676c;hpb=b7202442677d0cf41e6e59870cd6c34e5619b8b9;p=rtmpclient.git diff --git a/app/src/main/jni/include/x264.h b/app/src/main/jni/include/x264.h deleted file mode 100644 index 0f34067..0000000 --- a/app/src/main/jni/include/x264.h +++ /dev/null @@ -1,962 +0,0 @@ -/***************************************************************************** - * x264.h: x264 public header - ***************************************************************************** - * Copyright (C) 2003-2017 x264 project - * - * Authors: Laurent Aimar - * Loren Merritt - * Fiona Glaser - * - * 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 - -#ifdef __cplusplus -extern "C" { -#endif - -#if !defined(_STDINT_H) && !defined(_STDINT_H_) && !defined(_STDINT_H_INCLUDED) && !defined(_STDINT) &&\ - !defined(_SYS_STDINT_H_) && !defined(_INTTYPES_H) && !defined(_INTTYPES_H_) && !defined(_INTTYPES) -# 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 - -#include "x264_config.h" - -#define X264_BUILD 152 - -/* 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 x264_nal_t -{ - 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 (including any padding) 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; - - /* Size of padding in bytes. */ - int i_padding; -} x264_nal_t; - -/**************************************************************************** - * Encoder parameters - ****************************************************************************/ -/* CPU flags */ - -/* x86 */ -#define X264_CPU_MMX (1<<0) -#define X264_CPU_MMX2 (1<<1) /* MMX2 aka MMXEXT aka ISSE */ -#define X264_CPU_MMXEXT X264_CPU_MMX2 -#define X264_CPU_SSE (1<<2) -#define X264_CPU_SSE2 (1<<3) -#define X264_CPU_LZCNT (1<<4) -#define X264_CPU_SSE3 (1<<5) -#define X264_CPU_SSSE3 (1<<6) -#define X264_CPU_SSE4 (1<<7) /* SSE4.1 */ -#define X264_CPU_SSE42 (1<<8) /* SSE4.2 */ -#define X264_CPU_AVX (1<<9) /* Requires OS support even if YMM registers aren't used */ -#define X264_CPU_XOP (1<<10) /* AMD XOP */ -#define X264_CPU_FMA4 (1<<11) /* AMD FMA4 */ -#define X264_CPU_FMA3 (1<<12) -#define X264_CPU_BMI1 (1<<13) -#define X264_CPU_BMI2 (1<<14) -#define X264_CPU_AVX2 (1<<15) -#define X264_CPU_AVX512 (1<<16) /* AVX-512 {F, CD, BW, DQ, VL}, requires OS support */ -/* x86 modifiers */ -#define X264_CPU_CACHELINE_32 (1<<17) /* avoid memory loads that span the border between two cachelines */ -#define X264_CPU_CACHELINE_64 (1<<18) /* 32/64 is the size of a cacheline in bytes */ -#define X264_CPU_SSE2_IS_SLOW (1<<19) /* avoid most SSE2 functions on Athlon64 */ -#define X264_CPU_SSE2_IS_FAST (1<<20) /* a few functions are only faster on Core2 and Phenom */ -#define X264_CPU_SLOW_SHUFFLE (1<<21) /* The Conroe has a slow shuffle unit (relative to overall SSE performance) */ -#define X264_CPU_STACK_MOD4 (1<<22) /* if stack is only mod4 and not mod16 */ -#define X264_CPU_SLOW_ATOM (1<<23) /* The Atom is terrible: slow SSE unaligned loads, slow - * SIMD multiplies, slow SIMD variable shifts, slow pshufb, - * cacheline split penalties -- gather everything here that - * isn't shared by other CPUs to avoid making half a dozen - * new SLOW flags. */ -#define X264_CPU_SLOW_PSHUFB (1<<24) /* such as on the Intel Atom */ -#define X264_CPU_SLOW_PALIGNR (1<<25) /* such as on the AMD Bobcat */ - -/* PowerPC */ -#define X264_CPU_ALTIVEC 0x0000001 - -/* ARM and AArch64 */ -#define X264_CPU_ARMV6 0x0000001 -#define X264_CPU_NEON 0x0000002 /* ARM NEON */ -#define X264_CPU_FAST_NEON_MRC 0x0000004 /* Transfer from NEON to ARM register is fast (Cortex-A9) */ -#define X264_CPU_ARMV8 0x0000008 - -/* MIPS */ -#define X264_CPU_MSA 0x0000001 /* MIPS MSA */ - -/* 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_AQ_AUTOVARIANCE_BIASED 3 -#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_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_b_pyramid_names[] = { "none", "strict", "normal", 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", "bt2020", "smpte428", - "smpte431", "smpte432", 0 }; -static const char * const x264_transfer_names[] = { "", "bt709", "undef", "", "bt470m", "bt470bg", "smpte170m", "smpte240m", "linear", "log100", "log316", - "iec61966-2-4", "bt1361e", "iec61966-2-1", "bt2020-10", "bt2020-12", "smpte2084", "smpte428", 0 }; -static const char * const x264_colmatrix_names[] = { "GBR", "bt709", "undef", "", "fcc", "bt470bg", "smpte170m", "smpte240m", "YCgCo", "bt2020nc", "bt2020c", - "smpte2085", 0 }; -static const char * const x264_nal_hrd_names[] = { "none", "vbr", "cbr", 0 }; - -/* Colorspace type */ -#define X264_CSP_MASK 0x00ff /* */ -#define X264_CSP_NONE 0x0000 /* Invalid mode */ -#define X264_CSP_I420 0x0001 /* yuv 4:2:0 planar */ -#define X264_CSP_YV12 0x0002 /* yvu 4:2:0 planar */ -#define X264_CSP_NV12 0x0003 /* yuv 4:2:0, with one y plane and one packed u+v */ -#define X264_CSP_NV21 0x0004 /* yuv 4:2:0, with one y plane and one packed v+u */ -#define X264_CSP_I422 0x0005 /* yuv 4:2:2 planar */ -#define X264_CSP_YV16 0x0006 /* yvu 4:2:2 planar */ -#define X264_CSP_NV16 0x0007 /* yuv 4:2:2, with one y plane and one packed u+v */ -#define X264_CSP_YUYV 0x0008 /* yuyv 4:2:2 packed */ -#define X264_CSP_UYVY 0x0009 /* uyvy 4:2:2 packed */ -#define X264_CSP_V210 0x000a /* 10-bit yuv 4:2:2 packed in 32 */ -#define X264_CSP_I444 0x000b /* yuv 4:4:4 planar */ -#define X264_CSP_YV24 0x000c /* yvu 4:4:4 planar */ -#define X264_CSP_BGR 0x000d /* packed bgr 24bits */ -#define X264_CSP_BGRA 0x000e /* packed bgr 32bits */ -#define X264_CSP_RGB 0x000f /* packed rgb 24bits */ -#define X264_CSP_MAX 0x0010 /* end of list */ -#define X264_CSP_VFLIP 0x1000 /* the csp is vertically flipped */ -#define X264_CSP_HIGH_DEPTH 0x2000 /* the csp has a depth of 16 bits per pixel component */ - -/* Slice type */ -#define X264_TYPE_AUTO 0x0000 /* Let x264 choose the right type */ -#define X264_TYPE_IDR 0x0001 -#define X264_TYPE_I 0x0002 -#define X264_TYPE_P 0x0003 -#define X264_TYPE_BREF 0x0004 /* Non-disposable B-frame */ -#define X264_TYPE_B 0x0005 -#define X264_TYPE_KEYFRAME 0x0006 /* IDR or I depending on b_open_gop option */ -#define IS_X264_TYPE_I(x) ((x)==X264_TYPE_I || (x)==X264_TYPE_IDR || (x)==X264_TYPE_KEYFRAME) -#define IS_X264_TYPE_B(x) ((x)==X264_TYPE_B || (x)==X264_TYPE_BREF) - -/* Log level */ -#define X264_LOG_NONE (-1) -#define X264_LOG_ERROR 0 -#define X264_LOG_WARNING 1 -#define X264_LOG_INFO 2 -#define X264_LOG_DEBUG 3 - -/* Threading */ -#define X264_THREADS_AUTO 0 /* Automatically select optimal number of threads */ -#define X264_SYNC_LOOKAHEAD_AUTO (-1) /* Automatically select optimal lookahead thread buffer size */ - -/* HRD */ -#define X264_NAL_HRD_NONE 0 -#define X264_NAL_HRD_VBR 1 -#define X264_NAL_HRD_CBR 2 - -/* 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 x264_zone_t -{ - 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 x264_param_t -{ - /* CPU flags */ - unsigned int cpu; - int i_threads; /* encode multiple frames in parallel */ - int i_lookahead_threads; /* multiple threads for lookahead analysis */ - int b_sliced_threads; /* Whether to use slice-based threading. */ - int b_deterministic; /* whether to allow non-deterministic optimizations when threaded */ - int b_cpu_independent; /* force canonical behavior rather than cpu-dependent optimal algorithms */ - int i_sync_lookahead; /* threaded lookahead buffer */ - - /* Video Properties */ - int i_width; - int i_height; - int i_csp; /* CSP of encoded bitstream */ - int i_level_idc; - int i_frame_total; /* number of frames to encode if known, else 0 */ - - /* NAL HRD - * Uses Buffering and Picture Timing SEIs to signal HRD - * The HRD in H.264 was not designed with VFR in mind. - * It is therefore not recommendeded to use NAL HRD with VFR. - * Furthermore, reconfiguring the VBV (via x264_encoder_reconfig) - * will currently generate invalid HRD. */ - int i_nal_hrd; - - 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; - - /* Bitstream parameters */ - int i_frame_reference; /* Maximum number of reference frames */ - int i_dpb_size; /* Force a DPB size larger than that implied by B-frames and reference frames. - * Useful in combination with interactive error resilience. */ - 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_intra_refresh; /* Whether or not to use periodic intra refresh instead of IDR frames. */ - - int i_bframe; /* how many b-frame between 2 references pictures */ - int i_bframe_adaptive; - int i_bframe_bias; - int i_bframe_pyramid; /* Keep some B-frames as references: 0=off, 1=strict hierarchical, 2=normal */ - int b_open_gop; - int b_bluray_compat; - int i_avcintra_class; - - int b_deblocking_filter; - int i_deblocking_filter_alphac0; /* [-6, 6] -6 light filter, 6 strong */ - int i_deblocking_filter_beta; /* [-6, 6] idem */ - - int b_cabac; - int i_cabac_init_idc; - - int b_interlaced; - int b_constrained_intra; - - int i_cqm_preset; - char *psz_cqm_file; /* filename (in UTF-8) of CQM file, JM format */ - uint8_t cqm_4iy[16]; /* used only if i_cqm_preset == X264_CQM_CUSTOM */ - uint8_t cqm_4py[16]; - uint8_t cqm_4ic[16]; - uint8_t cqm_4pc[16]; - uint8_t cqm_8iy[64]; - uint8_t cqm_8py[64]; - uint8_t cqm_8ic[64]; - uint8_t cqm_8pc[64]; - - /* Log */ - void (*pf_log)( void *, int i_level, const char *psz, va_list ); - void *p_log_private; - int i_log_level; - int b_full_recon; /* fully reconstruct frames, even when not necessary for encoding. Implied by psz_dump_yuv */ - char *psz_dump_yuv; /* filename (in UTF-8) for reconstructed frames */ - - /* Encoder analyser parameters */ - struct - { - unsigned int intra; /* intra partitions */ - unsigned int inter; /* inter partitions */ - - int b_transform_8x8; - int i_weighted_pred; /* weighting for P-frames */ - int b_weighted_bipred; /* implicit weighting for B-frames */ - int i_direct_mv_pred; /* spatial vs temporal mv prediction */ - 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_chroma_me; /* chroma ME for subpel and mode decision in P-frames */ - int b_mixed_references; /* allow each mb partition to have its 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 */ - int b_psy; /* Toggle all psy optimizations */ - - int b_mb_info; /* Use input mb_info data in x264_picture_t */ - int b_mb_info_update; /* Update the values in mb_info according to the results of encoding. */ - - /* 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_rc_method; /* X264_RC_* */ - - int i_qp_constant; /* 0 to (51 + 6*(x264_bit_depth-8)). 0=lossless */ - 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 i_bitrate; - float f_rf_constant; /* 1pass VBR, nominal QP */ - float f_rf_constant_max; /* In CRF mode, maximum CRF as caused by VBV */ - float f_rate_tolerance; - int i_vbv_max_bitrate; - int i_vbv_buffer_size; - float f_vbv_buffer_init; /* <=1: fraction of buffer_size. >1: kbit */ - float f_ip_factor; - float f_pb_factor; - - /* VBV filler: force CBR VBV and use filler bytes to ensure hard-CBR. - * Implied by NAL-HRD CBR. */ - int b_filler; - - int i_aq_mode; /* psy adaptive QP. (X264_AQ_*) */ - float f_aq_strength; - int b_mb_tree; /* Macroblock-tree ratecontrol. */ - int i_lookahead; - - /* 2pass */ - int b_stat_write; /* Enable stat writing in psz_stat_out */ - char *psz_stat_out; /* output filename (in UTF-8) of the 2pass stats file */ - int b_stat_read; /* Read stat from psz_stat_in and use it */ - char *psz_stat_in; /* input filename (in UTF-8) of the 2pass stats file */ - - /* 2pass params (same as ffmpeg ones) */ - float f_qcompress; /* 0.0 => cbr, 1.0 => constant qp */ - float f_qblur; /* temporally blur quants */ - float f_complexity_blur; /* temporally blur complexity */ - x264_zone_t *zones; /* ratecontrol overrides */ - int i_zones; /* number of zone_t's */ - char *psz_zones; /* alternate method of specifying zones */ - } rc; - - /* Cropping Rectangle parameters: added to those implicitly defined by - non-mod16 video resolutions. */ - struct - { - unsigned int i_left; - unsigned int i_top; - unsigned int i_right; - unsigned int i_bottom; - } crop_rect; - - /* frame packing arrangement flag */ - int i_frame_packing; - - /* Muxing parameters */ - int b_aud; /* generate access unit delimiters */ - int b_repeat_headers; /* put SPS/PPS before each keyframe */ - int b_annexb; /* if set, place start codes (4 bytes) before NAL units, - * otherwise place size (4 bytes) before NAL units. */ - int i_sps_id; /* SPS and PPS id number */ - int b_vfr_input; /* VFR input. If 1, use timebase and timestamps for ratecontrol purposes. - * If 0, use fps only. */ - int b_pulldown; /* use explicity set timebase for CFR */ - uint32_t i_fps_num; - uint32_t i_fps_den; - uint32_t i_timebase_num; /* Timebase numerator */ - uint32_t i_timebase_den; /* Timebase denominator */ - - int b_tff; - - /* Pulldown: - * The correct pic_struct must be passed with each input frame. - * The input timebase should be the timebase corresponding to the output framerate. This should be constant. - * e.g. for 3:2 pulldown timebase should be 1001/30000 - * The PTS passed with each frame must be the PTS of the frame after pulldown is applied. - * Frame doubling and tripling require b_vfr_input set to zero (see H.264 Table D-1) - * - * Pulldown changes are not clearly defined in H.264. Therefore, it is the calling app's responsibility to manage this. - */ - - int b_pic_struct; - - /* Fake Interlaced. - * - * Used only when b_interlaced=0. Setting this flag makes it possible to flag the stream as PAFF interlaced yet - * encode all frames progessively. It is useful for encoding 25p and 30p Blu-Ray streams. - */ - - int b_fake_interlaced; - - /* Don't optimize header parameters based on video content, e.g. ensure that splitting an input video, compressing - * each part, and stitching them back together will result in identical SPS/PPS. This is necessary for stitching - * with container formats that don't allow multiple SPS/PPS. */ - int b_stitchable; - - int b_opencl; /* use OpenCL when available */ - int i_opencl_device; /* specify count of GPU devices to skip, for CLI users */ - void *opencl_device_id; /* pass explicit cl_device_id as void*, for API users */ - char *psz_clbin_file; /* filename (in UTF-8) of the compiled OpenCL kernel cache file */ - - /* Slicing parameters */ - int i_slice_max_size; /* Max size per slice in bytes; includes estimated NAL overhead. */ - int i_slice_max_mbs; /* Max number of MBs per slice; overrides i_slice_count. */ - int i_slice_min_mbs; /* Min number of MBs per slice */ - int i_slice_count; /* Number of slices per frame: forces rectangular slices. */ - int i_slice_count_max; /* Absolute cap on slices per frame; stops applying slice-max-size - * and slice-max-mbs if this is reached. */ - - /* Optional callback for freeing this x264_param_t when it is done being used. - * Only used when the x264_param_t sits in memory for an indefinite period of time, - * i.e. when an x264_param_t is passed to x264_t in an x264_picture_t or in zones. - * Not used when x264_encoder_reconfig is called directly. */ - void (*param_free)( void* ); - - /* Optional low-level callback for low-latency encoding. Called for each output NAL unit - * immediately after the NAL unit is finished encoding. This allows the calling application - * to begin processing video data (e.g. by sending packets over a network) before the frame - * is done encoding. - * - * This callback MUST do the following in order to work correctly: - * 1) Have available an output buffer of at least size nal->i_payload*3/2 + 5 + 64. - * 2) Call x264_nal_encode( h, dst, nal ), where dst is the output buffer. - * After these steps, the content of nal is valid and can be used in the same way as if - * the NAL unit were output by x264_encoder_encode. - * - * This does not need to be synchronous with the encoding process: the data pointed to - * by nal (both before and after x264_nal_encode) will remain valid until the next - * x264_encoder_encode call. The callback must be re-entrant. - * - * This callback does not work with frame-based threads; threads must be disabled - * or sliced-threads enabled. This callback also does not work as one would expect - * with HRD -- since the buffering period SEI cannot be calculated until the frame - * is finished encoding, it will not be sent via this callback. - * - * Note also that the NALs are not necessarily returned in order when sliced threads is - * enabled. Accordingly, the variable i_first_mb and i_last_mb are available in - * x264_nal_t to help the calling application reorder the slices if necessary. - * - * When this callback is enabled, x264_encoder_encode does not return valid NALs; - * the calling application is expected to acquire all output NALs through the callback. - * - * It is generally sensible to combine this callback with a use of slice-max-mbs or - * slice-max-size. - * - * The opaque pointer is the opaque pointer from the input frame associated with this - * NAL unit. This helps distinguish between nalu_process calls from different sources, - * e.g. if doing multiple encodes in one process. - */ - void (*nalu_process)( x264_t *h, x264_nal_t *nal, void *opaque ); -} x264_param_t; - -void x264_nal_encode( x264_t *h, uint8_t *dst, x264_nal_t *nal ); - -/**************************************************************************** - * H.264 level restriction information - ****************************************************************************/ - -typedef struct x264_level_t -{ - uint8_t level_idc; - uint32_t mbps; /* max macroblock processing rate (macroblocks/sec) */ - uint32_t frame_size; /* max frame size (macroblocks) */ - uint32_t dpb; /* max decoded picture buffer (mbs) */ - uint32_t bitrate; /* max bitrate (kbit/sec) */ - uint32_t cpb; /* max vbv buffer (kbit) */ - uint16_t mv_range; /* max vertical mv component range (pixels) */ - uint8_t mvs_per_2mb; /* max mvs per 2 consecutive mbs. */ - uint8_t slice_rate; /* ?? */ - uint8_t mincr; /* min compression ratio */ - uint8_t bipred8x8; /* limit bipred to >=8x8 */ - uint8_t direct8x8; /* limit b_direct to >=8x8 */ - uint8_t frame_only; /* forbid interlacing */ -} x264_level_t; - -/* all of the levels defined in the standard, terminated by .level_idc=0 */ -X264_API extern const x264_level_t x264_levels[]; - -/**************************************************************************** - * Basic parameter handling functions - ****************************************************************************/ - -/* 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 ); - -/**************************************************************************** - * Advanced parameter handling functions - ****************************************************************************/ - -/* These functions expose the full power of x264's preset-tune-profile system for - * easy adjustment of large numbers of internal parameters. - * - * In order to replicate x264CLI's option handling, these functions MUST be called - * in the following order: - * 1) x264_param_default_preset - * 2) Custom user options (via param_parse or directly assigned variables) - * 3) x264_param_apply_fastfirstpass - * 4) x264_param_apply_profile - * - * Additionally, x264CLI does not apply step 3 if the preset chosen is "placebo" - * or --slow-firstpass is set. */ - -/* x264_param_default_preset: - * The same as x264_param_default, but also use the passed preset and tune - * to modify the default settings. - * (either can be NULL, which implies no preset or no tune, respectively) - * - * Currently available presets are, ordered from fastest to slowest: */ -static const char * const x264_preset_names[] = { "ultrafast", "superfast", "veryfast", "faster", "fast", "medium", "slow", "slower", "veryslow", "placebo", 0 }; - -/* The presets can also be indexed numerically, as in: - * x264_param_default_preset( ¶m, "3", ... ) - * with ultrafast mapping to "0" and placebo mapping to "9". This mapping may - * of course change if new presets are added in between, but will always be - * ordered from fastest to slowest. - * - * Warning: the speed of these presets scales dramatically. Ultrafast is a full - * 100 times faster than placebo! - * - * Currently available tunings are: */ -static const char * const x264_tune_names[] = { "film", "animation", "grain", "stillimage", "psnr", "ssim", "fastdecode", "zerolatency", 0 }; - -/* Multiple tunings can be used if separated by a delimiter in ",./-+", - * however multiple psy tunings cannot be used. - * film, animation, grain, stillimage, psnr, and ssim are psy tunings. - * - * returns 0 on success, negative on failure (e.g. invalid preset/tune name). */ -int x264_param_default_preset( x264_param_t *, const char *preset, const char *tune ); - -/* x264_param_apply_fastfirstpass: - * If first-pass mode is set (rc.b_stat_read == 0, rc.b_stat_write == 1), - * modify the encoder settings to disable options generally not useful on - * the first pass. */ -void x264_param_apply_fastfirstpass( x264_param_t * ); - -/* x264_param_apply_profile: - * Applies the restrictions of the given profile. - * Currently available profiles are, from most to least restrictive: */ -static const char * const x264_profile_names[] = { "baseline", "main", "high", "high10", "high422", "high444", 0 }; - -/* (can be NULL, in which case the function will do nothing) - * - * Does NOT guarantee that the given profile will be used: if the restrictions - * of "High" are applied to settings that are already Baseline-compatible, the - * stream will remain baseline. In short, it does not increase settings, only - * decrease them. - * - * returns 0 on success, negative on failure (e.g. invalid profile name). */ -int x264_param_apply_profile( x264_param_t *, const char *profile ); - -/**************************************************************************** - * Picture structures and functions - ****************************************************************************/ - -/* x264_bit_depth: - * Specifies the number of bits per pixel that x264 uses. This is also the - * bit depth that x264 encodes in. If this value is > 8, x264 will read - * two bytes of input data for each pixel sample, and expect the upper - * (16-x264_bit_depth) bits to be zero. - * Note: The flag X264_CSP_HIGH_DEPTH must be used to specify the - * colorspace depth as well. */ -X264_API extern const int x264_bit_depth; - -/* x264_chroma_format: - * Specifies the chroma formats that x264 supports encoding. When this - * value is non-zero, then it represents a X264_CSP_* that is the only - * chroma format that x264 supports encoding. If the value is 0 then - * there are no restrictions. */ -X264_API extern const int x264_chroma_format; - -enum pic_struct_e -{ - PIC_STRUCT_AUTO = 0, // automatically decide (default) - PIC_STRUCT_PROGRESSIVE = 1, // progressive frame - // "TOP" and "BOTTOM" are not supported in x264 (PAFF only) - PIC_STRUCT_TOP_BOTTOM = 4, // top field followed by bottom - PIC_STRUCT_BOTTOM_TOP = 5, // bottom field followed by top - PIC_STRUCT_TOP_BOTTOM_TOP = 6, // top field, bottom field, top field repeated - PIC_STRUCT_BOTTOM_TOP_BOTTOM = 7, // bottom field, top field, bottom field repeated - PIC_STRUCT_DOUBLE = 8, // double frame - PIC_STRUCT_TRIPLE = 9, // triple frame -}; - -typedef struct x264_hrd_t -{ - double cpb_initial_arrival_time; - double cpb_final_arrival_time; - double cpb_removal_time; - - double dpb_output_time; -} x264_hrd_t; - -/* Arbitrary user SEI: - * Payload size is in bytes and the payload pointer must be valid. - * Payload types and syntax can be found in Annex D of the H.264 Specification. - * SEI payload alignment bits as described in Annex D must be included at the - * end of the payload if needed. - * The payload should not be NAL-encapsulated. - * Payloads are written first in order of input, apart from in the case when HRD - * is enabled where payloads are written after the Buffering Period SEI. */ - -typedef struct x264_sei_payload_t -{ - int payload_size; - int payload_type; - uint8_t *payload; -} x264_sei_payload_t; - -typedef struct x264_sei_t -{ - int num_payloads; - x264_sei_payload_t *payloads; - /* In: optional callback to free each payload AND x264_sei_payload_t when used. */ - void (*sei_free)( void* ); -} x264_sei_t; - -typedef struct x264_image_t -{ - int i_csp; /* Colorspace */ - int i_plane; /* Number of image planes */ - int i_stride[4]; /* Strides for each plane */ - uint8_t *plane[4]; /* Pointers to each plane */ -} x264_image_t; - -typedef struct x264_image_properties_t -{ - /* All arrays of data here are ordered as follows: - * each array contains one offset per macroblock, in raster scan order. In interlaced - * mode, top-field MBs and bottom-field MBs are interleaved at the row level. - * Macroblocks are 16x16 blocks of pixels (with respect to the luma plane). For the - * purposes of calculating the number of macroblocks, width and height are rounded up to - * the nearest 16. If in interlaced mode, height is rounded up to the nearest 32 instead. */ - - /* In: an array of quantizer offsets to be applied to this image during encoding. - * These are added on top of the decisions made by x264. - * Offsets can be fractional; they are added before QPs are rounded to integer. - * Adaptive quantization must be enabled to use this feature. Behavior if quant - * offsets differ between encoding passes is undefined. */ - float *quant_offsets; - /* In: optional callback to free quant_offsets when used. - * Useful if one wants to use a different quant_offset array for each frame. */ - void (*quant_offsets_free)( void* ); - - /* In: optional array of flags for each macroblock. - * Allows specifying additional information for the encoder such as which macroblocks - * remain unchanged. Usable flags are listed below. - * x264_param_t.analyse.b_mb_info must be set to use this, since x264 needs to track - * extra data internally to make full use of this information. - * - * Out: if b_mb_info_update is set, x264 will update this array as a result of encoding. - * - * For "MBINFO_CONSTANT", it will remove this flag on any macroblock whose decoded - * pixels have changed. This can be useful for e.g. noting which areas of the - * frame need to actually be blitted. Note: this intentionally ignores the effects - * of deblocking for the current frame, which should be fine unless one needs exact - * pixel-perfect accuracy. - * - * Results for MBINFO_CONSTANT are currently only set for P-frames, and are not - * guaranteed to enumerate all blocks which haven't changed. (There may be false - * negatives, but no false positives.) - */ - uint8_t *mb_info; - /* In: optional callback to free mb_info when used. */ - void (*mb_info_free)( void* ); - - /* The macroblock is constant and remains unchanged from the previous frame. */ - #define X264_MBINFO_CONSTANT (1<<0) - /* More flags may be added in the future. */ - - /* Out: SSIM of the the frame luma (if x264_param_t.b_ssim is set) */ - double f_ssim; - /* Out: Average PSNR of the frame (if x264_param_t.b_psnr is set) */ - double f_psnr_avg; - /* Out: PSNR of Y, U, and V (if x264_param_t.b_psnr is set) */ - double f_psnr[3]; - - /* Out: Average effective CRF of the encoded frame */ - double f_crf_avg; -} x264_image_properties_t; - -typedef struct x264_picture_t -{ - /* 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. - * Out: type of the picture encoded */ - int i_type; - /* In: force quantizer for != X264_QP_AUTO */ - int i_qpplus1; - /* In: pic_struct, for pulldown/doubling/etc...used only if b_pic_struct=1. - * use pic_struct_e for pic_struct inputs - * Out: pic_struct element associated with frame */ - int i_pic_struct; - /* Out: whether this frame is a keyframe. Important when using modes that result in - * SEI recovery points being used instead of IDR frames. */ - int b_keyframe; - /* In: user pts, Out: pts of encoded picture (user)*/ - int64_t i_pts; - /* Out: frame dts. When the pts of the first frame is close to zero, - * initial frames may have a negative dts which must be dealt with by any muxer */ - int64_t i_dts; - /* In: custom encoding parameters to be set from this frame forwards - (in coded order, not display order). If NULL, continue using - parameters from the previous frame. Some parameters, such as - aspect ratio, can only be changed per-GOP due to the limitations - of H.264 itself; in this case, the caller must force an IDR frame - if it needs the changed parameter to apply immediately. */ - x264_param_t *param; - /* In: raw image data */ - /* Out: reconstructed image data. x264 may skip part of the reconstruction process, - e.g. deblocking, in frames where it isn't necessary. To force complete - reconstruction, at a small speed cost, set b_full_recon. */ - x264_image_t img; - /* In: optional information to modify encoder decisions for this frame - * Out: information about the encoded frame */ - x264_image_properties_t prop; - /* Out: HRD timing information. Output only when i_nal_hrd is set. */ - x264_hrd_t hrd_timing; - /* In: arbitrary user SEI (e.g subtitles, AFDs) */ - x264_sei_t extra_sei; - /* private user data. copied from input to output frames. */ - void *opaque; -} x264_picture_t; - -/* x264_picture_init: - * initialize an x264_picture_t. Needs to be done if the calling application - * allocates its own x264_picture_t as opposed to using x264_picture_alloc. */ -void x264_picture_init( x264_picture_t *pic ); - -/* x264_picture_alloc: - * alloc data for a picture. You must call x264_picture_clean on it. - * returns 0 on success, or -1 on malloc failure or invalid colorspace. */ -int x264_picture_alloc( x264_picture_t *pic, int i_csp, int i_width, int i_height ); - -/* x264_picture_clean: - * free associated resource for a x264_picture_t allocated with - * x264_picture_alloc ONLY */ -void x264_picture_clean( x264_picture_t *pic ); - -/**************************************************************************** - * Encoder functions - ****************************************************************************/ - -/* Force a link error in the case of linking against an incompatible API version. - * Glue #defines exist to force correct macro expansion; the final output of the macro - * is x264_encoder_open_##X264_BUILD (for purposes of dlopen). */ -#define x264_encoder_glue1(x,y) x##y -#define x264_encoder_glue2(x,y) x264_encoder_glue1(x,y) -#define x264_encoder_open x264_encoder_glue2(x264_encoder_open_,X264_BUILD) - -/* x264_encoder_open: - * create a new encoder handler, all parameters from x264_param_t are copied */ -x264_t *x264_encoder_open( x264_param_t * ); - -/* x264_encoder_reconfig: - * various parameters from x264_param_t are copied. - * this takes effect immediately, on whichever frame is encoded next; - * due to delay, this may not be the next frame passed to encoder_encode. - * if the change should apply to some particular frame, use x264_picture_t->param instead. - * returns 0 on success, negative on parameter validation error. - * not all parameters can be changed; see the actual function for a detailed breakdown. - * - * since not all parameters can be changed, moving from preset to preset may not always - * fully copy all relevant parameters, but should still work usably in practice. however, - * more so than for other presets, many of the speed shortcuts used in ultrafast cannot be - * switched out of; using reconfig to switch between ultrafast and other presets is not - * recommended without a more fine-grained breakdown of parameters to take this into account. */ -int x264_encoder_reconfig( x264_t *, x264_param_t * ); -/* x264_encoder_parameters: - * copies the current internal set of parameters to the pointer provided - * by the caller. useful when the calling application needs to know - * how x264_encoder_open has changed the parameters, or the current state - * of the encoder after multiple x264_encoder_reconfig calls. - * note that the data accessible through pointers in the returned param struct - * (e.g. filenames) should not be modified by the calling application. */ -void x264_encoder_parameters( x264_t *, x264_param_t * ); -/* x264_encoder_headers: - * return the SPS and PPS that will be used for the whole stream. - * *pi_nal is the number of NAL units outputted in pp_nal. - * returns the number of bytes in the returned NALs. - * returns negative on error. - * the payloads of all output NALs are guaranteed to be sequential in memory. */ -int x264_encoder_headers( x264_t *, x264_nal_t **pp_nal, int *pi_nal ); -/* x264_encoder_encode: - * encode one picture. - * *pi_nal is the number of NAL units outputted in pp_nal. - * returns the number of bytes in the returned NALs. - * returns negative on error and zero if no NAL units returned. - * the payloads of all output NALs are guaranteed to be sequential in memory. */ -int x264_encoder_encode( x264_t *, x264_nal_t **pp_nal, int *pi_nal, x264_picture_t *pic_in, x264_picture_t *pic_out ); -/* x264_encoder_close: - * close an encoder handler */ -void x264_encoder_close( x264_t * ); -/* x264_encoder_delayed_frames: - * return the number of currently delayed (buffered) frames - * this should be used at the end of the stream, to know when you have all the encoded frames. */ -int x264_encoder_delayed_frames( x264_t * ); -/* x264_encoder_maximum_delayed_frames( x264_t *h ): - * return the maximum number of delayed (buffered) frames that can occur with the current - * parameters. */ -int x264_encoder_maximum_delayed_frames( x264_t *h ); -/* x264_encoder_intra_refresh: - * If an intra refresh is not in progress, begin one with the next P-frame. - * If an intra refresh is in progress, begin one as soon as the current one finishes. - * Requires that b_intra_refresh be set. - * - * Useful for interactive streaming where the client can tell the server that packet loss has - * occurred. In this case, keyint can be set to an extremely high value so that intra refreshes - * only occur when calling x264_encoder_intra_refresh. - * - * In multi-pass encoding, if x264_encoder_intra_refresh is called differently in each pass, - * behavior is undefined. - * - * Should not be called during an x264_encoder_encode. */ -void x264_encoder_intra_refresh( x264_t * ); -/* x264_encoder_invalidate_reference: - * An interactive error resilience tool, designed for use in a low-latency one-encoder-few-clients - * system. When the client has packet loss or otherwise incorrectly decodes a frame, the encoder - * can be told with this command to "forget" the frame and all frames that depend on it, referencing - * only frames that occurred before the loss. This will force a keyframe if no frames are left to - * reference after the aforementioned "forgetting". - * - * It is strongly recommended to use a large i_dpb_size in this case, which allows the encoder to - * keep around extra, older frames to fall back on in case more recent frames are all invalidated. - * Unlike increasing i_frame_reference, this does not increase the number of frames used for motion - * estimation and thus has no speed impact. It is also recommended to set a very large keyframe - * interval, so that keyframes are not used except as necessary for error recovery. - * - * x264_encoder_invalidate_reference is not currently compatible with the use of B-frames or intra - * refresh. - * - * In multi-pass encoding, if x264_encoder_invalidate_reference is called differently in each pass, - * behavior is undefined. - * - * Should not be called during an x264_encoder_encode, but multiple calls can be made simultaneously. - * - * Returns 0 on success, negative on failure. */ -int x264_encoder_invalidate_reference( x264_t *, int64_t pts ); - -#ifdef __cplusplus -} -#endif - -#endif