X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fh264.h;h=ce06f613cd815967b24eae1126939632bc5f2ecd;hb=d2205d6543881f2e6fa18c8a354bbcf91a1235f7;hp=91ecee58e0d060a163f5f0ad1156851bbc9b0abf;hpb=75dd693840e64ce3d9db7e93bbe3a87b47c4c787;p=ffmpeg diff --git a/libavcodec/h264.h b/libavcodec/h264.h index 91ecee58e0d..ce06f613cd8 100644 --- a/libavcodec/h264.h +++ b/libavcodec/h264.h @@ -2,25 +2,25 @@ * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder * Copyright (c) 2003 Michael Niedermayer * - * This file is part of FFmpeg. + * This file is part of Libav. * - * FFmpeg is free software; you can redistribute it and/or + * Libav 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. * - * FFmpeg is distributed in the hope that it will be useful, + * Libav 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 FFmpeg; if not, write to the Free Software + * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** - * @file libavcodec/h264.h + * @file * H.264 / AVC / MPEG4 part10 codec. * @author Michael Niedermayer */ @@ -28,24 +28,17 @@ #ifndef AVCODEC_H264_H #define AVCODEC_H264_H +#include "libavutil/intreadwrite.h" #include "dsputil.h" #include "cabac.h" #include "mpegvideo.h" +#include "h264dsp.h" #include "h264pred.h" +#include "rectangle.h" #define interlaced_dct interlaced_dct_is_a_bad_name #define mb_intra mb_intra_is_not_initialized_see_mb_type -#define LUMA_DC_BLOCK_INDEX 25 -#define CHROMA_DC_BLOCK_INDEX 26 - -#define CHROMA_DC_COEFF_TOKEN_VLC_BITS 8 -#define COEFF_TOKEN_VLC_BITS 8 -#define TOTAL_ZEROS_VLC_BITS 9 -#define CHROMA_DC_TOTAL_ZEROS_VLC_BITS 3 -#define RUN_VLC_BITS 3 -#define RUN7_VLC_BITS 6 - #define MAX_SPS_COUNT 32 #define MAX_PPS_COUNT 256 @@ -57,7 +50,7 @@ * of progressive decoding by about 2%. */ #define ALLOW_INTERLACE -#define ALLOW_NOCHROMA +#define FMO 0 /** * The maximum number of slices supported by the decoder. @@ -70,6 +63,10 @@ #define MB_FIELD h->mb_field_decoding_flag #define FRAME_MBAFF h->mb_aff_frame #define FIELD_PICTURE (s->picture_structure != PICT_FRAME) +#define LEFT_MBS 2 +#define LTOP 0 +#define LBOT 1 +#define LEFT(i) (i) #else #define MB_MBAFF 0 #define MB_FIELD 0 @@ -77,15 +74,20 @@ #define FIELD_PICTURE 0 #undef IS_INTERLACED #define IS_INTERLACED(mb_type) 0 +#define LEFT_MBS 1 +#define LTOP 0 +#define LBOT 0 +#define LEFT(i) 0 #endif #define FIELD_OR_MBAFF_PICTURE (FRAME_MBAFF || FIELD_PICTURE) -#ifdef ALLOW_NOCHROMA -#define CHROMA h->sps.chroma_format_idc -#else -#define CHROMA 1 +#ifndef CABAC +#define CABAC h->pps.cabac #endif +#define CHROMA422 (h->sps.chroma_format_idc == 2) +#define CHROMA444 (h->sps.chroma_format_idc == 3) + #define EXTENDED_SAR 255 #define MB_TYPE_REF0 MB_TYPE_ACPRED //dirty but it fits in 16 bit @@ -93,6 +95,14 @@ #define IS_REF0(a) ((a) & MB_TYPE_REF0) #define IS_8x8DCT(a) ((a) & MB_TYPE_8x8DCT) +/** + * Value of Picture.reference when Picture is not a reference picture, but + * is held for delayed output. + */ +#define DELAYED_PIC_REF 4 + +#define QP_MAX_NUM (51 + 2*6) // The maximum supported qp + /* NAL unit types */ enum { NAL_SLICE=1, @@ -166,6 +176,12 @@ typedef struct SPS{ unsigned int crop_bottom; ///< frame_cropping_rect_bottom_offset int vui_parameters_present_flag; AVRational sar; + int video_signal_type_present_flag; + int full_range; + int colour_description_present_flag; + enum AVColorPrimaries color_primaries; + enum AVColorTransferCharacteristic color_trc; + enum AVColorSpace colorspace; int timing_info_present_flag; uint32_t num_units_in_tick; uint32_t time_scale; @@ -175,7 +191,7 @@ typedef struct SPS{ int num_reorder_frames; int scaling_matrix_present; uint8_t scaling_matrix4[6][16]; - uint8_t scaling_matrix8[2][64]; + uint8_t scaling_matrix8[6][64]; int nal_hrd_parameters_present_flag; int vcl_hrd_parameters_present_flag; int pic_struct_present_flag; @@ -187,6 +203,7 @@ typedef struct SPS{ int bit_depth_luma; ///< bit_depth_luma_minus8 + 8 int bit_depth_chroma; ///< bit_depth_chroma_minus8 + 8 int residual_color_transform_flag; ///< residual_colour_transform_flag + int constraint_set_flags; ///< constraint_set[0-3]_flag }SPS; /** @@ -209,7 +226,7 @@ typedef struct PPS{ int redundant_pic_cnt_present; ///< redundant_pic_cnt_present_flag int transform_8x8_mode; ///< transform_8x8_mode_flag uint8_t scaling_matrix4[6][16]; - uint8_t scaling_matrix8[2][64]; + uint8_t scaling_matrix8[6][64]; uint8_t chroma_qp_table[2][64]; ///< pre-scaled (with chroma_qp_index_offset) version of qp_table int chroma_qp_diff; }PPS; @@ -241,20 +258,12 @@ typedef struct MMCO{ */ typedef struct H264Context{ MpegEncContext s; - int nal_ref_idc; - int nal_unit_type; - uint8_t *rbsp_buffer[2]; - unsigned int rbsp_buffer_size[2]; - - /** - * Used to parse AVC variant of h264 - */ - int is_avc; ///< this flag is != 0 if codec is avc1 - int got_avcC; ///< flag used to parse avcC data only once - int nal_length_size; ///< Number of bytes used for nal length (1, 2 or 4) - + H264DSPContext h264dsp; + int pixel_shift; ///< 0 for 8-bit H264, 1 for high-bit-depth H264 int chroma_qp[2]; //QPc + int qp_thresh; ///< QP threshold to skip loopfilter + int prev_mb_skipped; int next_mb_skipped; @@ -262,39 +271,44 @@ typedef struct H264Context{ int chroma_pred_mode; int intra16x16_pred_mode; + int topleft_mb_xy; int top_mb_xy; - int left_mb_xy[2]; + int topright_mb_xy; + int left_mb_xy[LEFT_MBS]; + + int topleft_type; + int top_type; + int topright_type; + int left_type[LEFT_MBS]; + + const uint8_t * left_block; + int topleft_partition; int8_t intra4x4_pred_mode_cache[5*8]; - int8_t (*intra4x4_pred_mode)[8]; + int8_t (*intra4x4_pred_mode); H264PredContext hpc; unsigned int topleft_samples_available; unsigned int top_samples_available; unsigned int topright_samples_available; unsigned int left_samples_available; - uint8_t (*top_borders[2])[16+2*8]; - uint8_t left_border[2*(17+2*9)]; + uint8_t (*top_borders[2])[(16*3)*2]; /** * non zero coeff count cache. * is 64 if not available. */ - DECLARE_ALIGNED_8(uint8_t, non_zero_count_cache[6*8]); - uint8_t (*non_zero_count)[16]; + DECLARE_ALIGNED(8, uint8_t, non_zero_count_cache)[15*8]; + + uint8_t (*non_zero_count)[48]; /** * Motion vector cache. */ - DECLARE_ALIGNED_8(int16_t, mv_cache[2][5*8][2]); - DECLARE_ALIGNED_8(int8_t, ref_cache[2][5*8]); + DECLARE_ALIGNED(16, int16_t, mv_cache)[2][5*8][2]; + DECLARE_ALIGNED(8, int8_t, ref_cache)[2][5*8]; #define LIST_NOT_USED -1 //FIXME rename? #define PART_NOT_AVAILABLE -2 - /** - * is 1 if the specific list MV&references are set to 0,0,-2. - */ - int mv_cache_clean[2]; - /** * number of neighbors (top and/or left) that used 8x8 dct */ @@ -304,12 +318,11 @@ typedef struct H264Context{ * block_offset[ 0..23] for frame macroblocks * block_offset[24..47] for field macroblocks */ - int block_offset[2*(16+8)]; + int block_offset[2*(16*3)]; uint32_t *mb2b_xy; //FIXME are these 4 a good idea? - uint32_t *mb2b8_xy; + uint32_t *mb2br_xy; int b_stride; //FIXME use s->b4_stride - int b8_stride; int mb_linesize; ///< may be equal to s->linesize or s->linesize*2, for mbaff int mb_uvlinesize; @@ -317,29 +330,19 @@ typedef struct H264Context{ int emu_edge_width; int emu_edge_height; - int halfpel_flag; - int thirdpel_flag; - - int unknown_svq3_flag; - int next_slice_index; - - SPS *sps_buffers[MAX_SPS_COUNT]; SPS sps; ///< current sps - PPS *pps_buffers[MAX_PPS_COUNT]; /** * current pps */ PPS pps; //FIXME move to Picture perhaps? (->no) do we need that? - uint32_t dequant4_buffer[6][52][16]; - uint32_t dequant8_buffer[2][52][64]; + uint32_t dequant4_buffer[6][QP_MAX_NUM+1][16]; //FIXME should these be moved down? + uint32_t dequant8_buffer[6][QP_MAX_NUM+1][64]; uint32_t (*dequant4_coeff[6])[16]; - uint32_t (*dequant8_coeff[2])[64]; - int dequant_coeff_pps; ///< reinit tables when pps changes + uint32_t (*dequant8_coeff[6])[64]; int slice_num; - uint16_t *slice_table_base; uint16_t *slice_table; ///< slice_table_base + 2*mb_stride + 1 int slice_type; int slice_type_nos; ///< S free slice type (SI/SP are remapped to I/P) @@ -350,49 +353,21 @@ typedef struct H264Context{ int mb_field_decoding_flag; int mb_mbaff; ///< mb_aff_frame && mb_field_decoding_flag - DECLARE_ALIGNED_8(uint16_t, sub_mb_type[4]); - - //POC stuff - int poc_lsb; - int poc_msb; - int delta_poc_bottom; - int delta_poc[2]; - int frame_num; - int prev_poc_msb; ///< poc_msb of the last reference pic for POC type 0 - int prev_poc_lsb; ///< poc_lsb of the last reference pic for POC type 0 - int frame_num_offset; ///< for POC type 2 - int prev_frame_num_offset; ///< for POC type 2 - int prev_frame_num; ///< frame_num of the last pic for POC type 1/2 - - /** - * frame_num for frames or 2*frame_num+1 for field pics. - */ - int curr_pic_num; - - /** - * max_frame_num or 2*max_frame_num for field pics. - */ - int max_pic_num; + DECLARE_ALIGNED(8, uint16_t, sub_mb_type)[4]; //Weighted pred stuff int use_weight; int use_weight_chroma; int luma_log2_weight_denom; int chroma_log2_weight_denom; - int luma_weight[2][48]; - int luma_offset[2][48]; - int chroma_weight[2][48][2]; - int chroma_offset[2][48][2]; - int implicit_weight[48][48]; - - //deblock - int deblocking_filter; ///< disable_deblocking_filter_idc with 1<->0 - int slice_alpha_c0_offset; - int slice_beta_offset; - - int redundant_pic_count; + //The following 2 can be changed to int8_t but that causes 10cpu cycles speedloss + int luma_weight[48][2][2]; + int chroma_weight[48][2][2][2]; + int implicit_weight[48][48][2]; int direct_spatial_mv_pred; + int col_parity; + int col_fieldoff; int dist_scale_factor[16]; int dist_scale_factor_field[2][32]; int map_col_to_list0[2][16+32]; @@ -403,24 +378,11 @@ typedef struct H264Context{ */ unsigned int ref_count[2]; ///< counts frames or fields, depending on current mb mode unsigned int list_count; - Picture *short_ref[32]; - Picture *long_ref[32]; - Picture default_ref_list[2][32]; ///< base reference list for all slices of a coded picture + uint8_t *list_counts; ///< Array of list_count per MB specifying the slice type Picture ref_list[2][48]; /**< 0..15: frame refs, 16..47: mbaff field refs. Reordered version of default_ref_list according to picture reordering in slice header */ int ref2frm[MAX_SLICES][2][64]; ///< reference to frame number lists, used in the loop filter, the first 2 are for -2,-1 - Picture *delayed_pic[MAX_DELAYED_PIC_COUNT+2]; //FIXME size? - int outputed_poc; - - /** - * memory management control operations buffer. - */ - MMCO mmco[MAX_MMCO_COUNT]; - int mmco_index; - - int long_ref_count; ///< number of actual long term references - int short_ref_count; ///< number of actual short term references //data partitioning GetBitContext intra_gb; @@ -428,15 +390,15 @@ typedef struct H264Context{ GetBitContext *intra_gb_ptr; GetBitContext *inter_gb_ptr; - DECLARE_ALIGNED_16(DCTELEM, mb[16*24]); - DCTELEM mb_padding[256]; ///< as mb is addressed by scantable[i] and scantable is uint8_t we can either check that i is not too large or ensure that there is some unused stuff after mb + DECLARE_ALIGNED(16, DCTELEM, mb)[16*48*2]; ///< as a dct coeffecient is int32_t in high depth, we need to reserve twice the space. + DECLARE_ALIGNED(16, DCTELEM, mb_luma_dc)[3][16*2]; + DCTELEM mb_padding[256*2]; ///< as mb is addressed by scantable[i] and scantable is uint8_t we can either check that i is not too large or ensure that there is some unused stuff after mb /** * Cabac */ CABACContext cabac; - uint8_t cabac_state[460]; - int cabac_init_idc; + uint8_t cabac_state[1024]; /* 0x100 -> non null luma_dc, 0x80/0x40 -> non null chroma_dc (cb/cr), 0x?0 -> chroma_cbp(0,1,2), 0x0? luma_cbp */ uint16_t *cbp_table; @@ -446,8 +408,8 @@ typedef struct H264Context{ /* chroma_pred_mode for i4x4 or i16x16, else 0 */ uint8_t *chroma_pred_mode_table; int last_qscale_diff; - int16_t (*mvd_table[2])[2]; - DECLARE_ALIGNED_8(int16_t, mvd_cache[2][5*8][2]); + uint8_t (*mvd_table[2])[2]; + DECLARE_ALIGNED(16, uint8_t, mvd_cache)[2][5*8][2]; uint8_t *direct_table; uint8_t direct_cache[5*8]; @@ -466,8 +428,85 @@ typedef struct H264Context{ int x264_build; + int mb_xy; + + int is_complex; + + //deblock + int deblocking_filter; ///< disable_deblocking_filter_idc with 1<->0 + int slice_alpha_c0_offset; + int slice_beta_offset; + +//============================================================= + //Things below are not used in the MB or more inner code + + int nal_ref_idc; + int nal_unit_type; + uint8_t *rbsp_buffer[2]; + unsigned int rbsp_buffer_size[2]; + + /** + * Used to parse AVC variant of h264 + */ + int is_avc; ///< this flag is != 0 if codec is avc1 + int nal_length_size; ///< Number of bytes used for nal length (1, 2 or 4) + int got_first; ///< this flag is != 0 if we've parsed a frame + + SPS *sps_buffers[MAX_SPS_COUNT]; + PPS *pps_buffers[MAX_PPS_COUNT]; + + int dequant_coeff_pps; ///< reinit tables when pps changes + + uint16_t *slice_table_base; + + + //POC stuff + int poc_lsb; + int poc_msb; + int delta_poc_bottom; + int delta_poc[2]; + int frame_num; + int prev_poc_msb; ///< poc_msb of the last reference pic for POC type 0 + int prev_poc_lsb; ///< poc_lsb of the last reference pic for POC type 0 + int frame_num_offset; ///< for POC type 2 + int prev_frame_num_offset; ///< for POC type 2 + int prev_frame_num; ///< frame_num of the last pic for POC type 1/2 + + /** + * frame_num for frames or 2*frame_num+1 for field pics. + */ + int curr_pic_num; + /** - * @defgroup multithreading Members for slice based multithreading + * max_frame_num or 2*max_frame_num for field pics. + */ + int max_pic_num; + + int redundant_pic_count; + + Picture *short_ref[32]; + Picture *long_ref[32]; + Picture default_ref_list[2][32]; ///< base reference list for all slices of a coded picture + Picture *delayed_pic[MAX_DELAYED_PIC_COUNT+2]; //FIXME size? + int last_pocs[MAX_DELAYED_PIC_COUNT]; + Picture *next_output_pic; + int outputed_poc; + int next_outputed_poc; + + /** + * memory management control operations buffer. + */ + MMCO mmco[MAX_MMCO_COUNT]; + int mmco_index; + int mmco_reset; + + int long_ref_count; ///< number of actual long term references + int short_ref_count; ///< number of actual short term references + + int cabac_init_idc; + + /** + * @name Members for slice based multithreading * @{ */ struct H264Context *thread_context[MAX_THREADS]; @@ -494,10 +533,6 @@ typedef struct H264Context{ int last_slice_type; /** @} */ - int mb_xy; - - uint32_t svq3_watermark_key; - /** * pic_struct in picture timing SEI message */ @@ -537,16 +572,20 @@ typedef struct H264Context{ */ int sei_recovery_frame_cnt; - int is_complex; - int luma_weight_flag[2]; ///< 7.4.3.2 luma_weight_lX_flag int chroma_weight_flag[2]; ///< 7.4.3.2 chroma_weight_lX_flag // Timestamp stuff int sei_buffering_period_present; ///< Buffering period SEI flag int initial_cpb_removal_delay[32]; ///< Initial timestamps for CPBs + + int cur_chroma_format_idc; }H264Context; + +extern const uint8_t ff_h264_chroma_qp[3][QP_MAX_NUM+1]; ///< One chroma qp table for each supported bit depth (8, 9, 10). +extern const uint16_t ff_h264_mb_sizes[4]; + /** * Decode SEI */ @@ -557,34 +596,288 @@ int ff_h264_decode_sei(H264Context *h); */ int ff_h264_decode_seq_parameter_set(H264Context *h); +/** + * compute profile from sps + */ +int ff_h264_get_profile(SPS *sps); + /** * Decode PPS */ int ff_h264_decode_picture_parameter_set(H264Context *h, int bit_length); /** - * Decodes a network abstraction layer unit. + * Decode a network abstraction layer unit. * @param consumed is the number of bytes used as input * @param length is the length of the array * @param dst_length is the number of decoded bytes FIXME here or a decode rbsp tailing? - * @returns decoded bytes, might be src+1 if no escapes + * @return decoded bytes, might be src+1 if no escapes */ const uint8_t *ff_h264_decode_nal(H264Context *h, const uint8_t *src, int *dst_length, int *consumed, int length); /** - * identifies the exact end of the bitstream - * @return the length of the trailing, or 0 if damaged + * Free any data that may have been allocated in the H264 context like SPS, PPS etc. */ -int ff_h264_decode_rbsp_trailing(H264Context *h, const uint8_t *src); +av_cold void ff_h264_free_context(H264Context *h); /** - * frees any data that may have been allocated in the H264 context like SPS, PPS etc. + * Reconstruct bitstream slice_type. */ -av_cold void ff_h264_free_context(H264Context *h); +int ff_h264_get_slice_type(const H264Context *h); + +/** + * Allocate tables. + * needs width/height + */ +int ff_h264_alloc_tables(H264Context *h); + +/** + * Fill the default_ref_list. + */ +int ff_h264_fill_default_ref_list(H264Context *h); + +int ff_h264_decode_ref_pic_list_reordering(H264Context *h); +void ff_h264_fill_mbaff_ref_list(H264Context *h); +void ff_h264_remove_all_refs(H264Context *h); + +/** + * Execute the reference picture marking (memory management control operations). + */ +int ff_h264_execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count); + +int ff_h264_decode_ref_pic_marking(H264Context *h, GetBitContext *gb); + +void ff_generate_sliding_window_mmcos(H264Context *h); + + +/** + * Check if the top & left blocks are available if needed & change the dc mode so it only uses the available blocks. + */ +int ff_h264_check_intra4x4_pred_mode(H264Context *h); + +/** + * Check if the top & left blocks are available if needed & change the dc mode so it only uses the available blocks. + */ +int ff_h264_check_intra_pred_mode(H264Context *h, int mode, int is_chroma); + +void ff_h264_hl_decode_mb(H264Context *h); +int ff_h264_frame_start(H264Context *h); +int ff_h264_decode_extradata(H264Context *h); +av_cold int ff_h264_decode_init(AVCodecContext *avctx); +av_cold void ff_h264_decode_init_vlc(void); + +/** + * Decode a macroblock + * @return 0 if OK, ER_AC_ERROR / ER_DC_ERROR / ER_MV_ERROR if an error is noticed + */ +int ff_h264_decode_mb_cavlc(H264Context *h); + +/** + * Decode a CABAC coded macroblock + * @return 0 if OK, ER_AC_ERROR / ER_DC_ERROR / ER_MV_ERROR if an error is noticed + */ +int ff_h264_decode_mb_cabac(H264Context *h); + +void ff_h264_init_cabac_states(H264Context *h); + +void ff_h264_direct_dist_scale_factor(H264Context * const h); +void ff_h264_direct_ref_list_init(H264Context * const h); +void ff_h264_pred_direct_motion(H264Context * const h, int *mb_type); + +void ff_h264_filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize); +void ff_h264_filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize); + +/** + * Reset SEI values at the beginning of the frame. + * + * @param h H.264 context. + */ +void ff_h264_reset_sei(H264Context *h); + + +/* +o-o o-o + / / / +o-o o-o + ,---' +o-o o-o + / / / +o-o o-o +*/ + +/* Scan8 organization: + * 0 1 2 3 4 5 6 7 + * 0 DY y y y y y + * 1 y Y Y Y Y + * 2 y Y Y Y Y + * 3 y Y Y Y Y + * 4 y Y Y Y Y + * 5 DU u u u u u + * 6 u U U U U + * 7 u U U U U + * 8 u U U U U + * 9 u U U U U + * 10 DV v v v v v + * 11 v V V V V + * 12 v V V V V + * 13 v V V V V + * 14 v V V V V + * DY/DU/DV are for luma/chroma DC. + */ + +#define LUMA_DC_BLOCK_INDEX 48 +#define CHROMA_DC_BLOCK_INDEX 49 + +//This table must be here because scan8[constant] must be known at compiletime +static const uint8_t scan8[16*3 + 3]={ + 4+ 1*8, 5+ 1*8, 4+ 2*8, 5+ 2*8, + 6+ 1*8, 7+ 1*8, 6+ 2*8, 7+ 2*8, + 4+ 3*8, 5+ 3*8, 4+ 4*8, 5+ 4*8, + 6+ 3*8, 7+ 3*8, 6+ 4*8, 7+ 4*8, + 4+ 6*8, 5+ 6*8, 4+ 7*8, 5+ 7*8, + 6+ 6*8, 7+ 6*8, 6+ 7*8, 7+ 7*8, + 4+ 8*8, 5+ 8*8, 4+ 9*8, 5+ 9*8, + 6+ 8*8, 7+ 8*8, 6+ 9*8, 7+ 9*8, + 4+11*8, 5+11*8, 4+12*8, 5+12*8, + 6+11*8, 7+11*8, 6+12*8, 7+12*8, + 4+13*8, 5+13*8, 4+14*8, 5+14*8, + 6+13*8, 7+13*8, 6+14*8, 7+14*8, + 0+ 0*8, 0+ 5*8, 0+10*8 +}; + +static av_always_inline uint32_t pack16to32(int a, int b){ +#if HAVE_BIGENDIAN + return (b&0xFFFF) + (a<<16); +#else + return (a&0xFFFF) + (b<<16); +#endif +} + +static av_always_inline uint16_t pack8to16(int a, int b){ +#if HAVE_BIGENDIAN + return (b&0xFF) + (a<<8); +#else + return (a&0xFF) + (b<<8); +#endif +} + +/** + * Get the chroma qp. + */ +static av_always_inline int get_chroma_qp(H264Context *h, int t, int qscale){ + return h->pps.chroma_qp_table[t][qscale]; +} /** - * reconstructs bitstream slice_type. + * Get the predicted intra4x4 prediction mode. */ -int ff_h264_get_slice_type(H264Context *h); +static av_always_inline int pred_intra_mode(H264Context *h, int n){ + const int index8= scan8[n]; + const int left= h->intra4x4_pred_mode_cache[index8 - 1]; + const int top = h->intra4x4_pred_mode_cache[index8 - 8]; + const int min= FFMIN(left, top); + + tprintf(h->s.avctx, "mode:%d %d min:%d\n", left ,top, min); + + if(min<0) return DC_PRED; + else return min; +} + +static av_always_inline void write_back_intra_pred_mode(H264Context *h){ + int8_t *i4x4= h->intra4x4_pred_mode + h->mb2br_xy[h->mb_xy]; + int8_t *i4x4_cache= h->intra4x4_pred_mode_cache; + + AV_COPY32(i4x4, i4x4_cache + 4 + 8*4); + i4x4[4]= i4x4_cache[7+8*3]; + i4x4[5]= i4x4_cache[7+8*2]; + i4x4[6]= i4x4_cache[7+8*1]; +} + +static av_always_inline void write_back_non_zero_count(H264Context *h){ + const int mb_xy= h->mb_xy; + uint8_t *nnz = h->non_zero_count[mb_xy]; + uint8_t *nnz_cache = h->non_zero_count_cache; + + AV_COPY32(&nnz[ 0], &nnz_cache[4+8* 1]); + AV_COPY32(&nnz[ 4], &nnz_cache[4+8* 2]); + AV_COPY32(&nnz[ 8], &nnz_cache[4+8* 3]); + AV_COPY32(&nnz[12], &nnz_cache[4+8* 4]); + AV_COPY32(&nnz[16], &nnz_cache[4+8* 6]); + AV_COPY32(&nnz[20], &nnz_cache[4+8* 7]); + AV_COPY32(&nnz[32], &nnz_cache[4+8*11]); + AV_COPY32(&nnz[36], &nnz_cache[4+8*12]); + + if(!h->s.chroma_y_shift){ + AV_COPY32(&nnz[24], &nnz_cache[4+8* 8]); + AV_COPY32(&nnz[28], &nnz_cache[4+8* 9]); + AV_COPY32(&nnz[40], &nnz_cache[4+8*13]); + AV_COPY32(&nnz[44], &nnz_cache[4+8*14]); + } +} + +static av_always_inline void write_back_motion_list(H264Context *h, MpegEncContext * const s, int b_stride, + int b_xy, int b8_xy, int mb_type, int list ) +{ + int16_t (*mv_dst)[2] = &s->current_picture.f.motion_val[list][b_xy]; + int16_t (*mv_src)[2] = &h->mv_cache[list][scan8[0]]; + AV_COPY128(mv_dst + 0*b_stride, mv_src + 8*0); + AV_COPY128(mv_dst + 1*b_stride, mv_src + 8*1); + AV_COPY128(mv_dst + 2*b_stride, mv_src + 8*2); + AV_COPY128(mv_dst + 3*b_stride, mv_src + 8*3); + if( CABAC ) { + uint8_t (*mvd_dst)[2] = &h->mvd_table[list][FMO ? 8*h->mb_xy : h->mb2br_xy[h->mb_xy]]; + uint8_t (*mvd_src)[2] = &h->mvd_cache[list][scan8[0]]; + if(IS_SKIP(mb_type)) + AV_ZERO128(mvd_dst); + else{ + AV_COPY64(mvd_dst, mvd_src + 8*3); + AV_COPY16(mvd_dst + 3 + 3, mvd_src + 3 + 8*0); + AV_COPY16(mvd_dst + 3 + 2, mvd_src + 3 + 8*1); + AV_COPY16(mvd_dst + 3 + 1, mvd_src + 3 + 8*2); + } + } + + { + int8_t *ref_index = &s->current_picture.f.ref_index[list][b8_xy]; + int8_t *ref_cache = h->ref_cache[list]; + ref_index[0+0*2]= ref_cache[scan8[0]]; + ref_index[1+0*2]= ref_cache[scan8[4]]; + ref_index[0+1*2]= ref_cache[scan8[8]]; + ref_index[1+1*2]= ref_cache[scan8[12]]; + } +} + +static av_always_inline void write_back_motion(H264Context *h, int mb_type){ + MpegEncContext * const s = &h->s; + const int b_stride = h->b_stride; + const int b_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride; //try mb2b(8)_xy + const int b8_xy= 4*h->mb_xy; + + if(USES_LIST(mb_type, 0)){ + write_back_motion_list(h, s, b_stride, b_xy, b8_xy, mb_type, 0); + }else{ + fill_rectangle(&s->current_picture.f.ref_index[0][b8_xy], + 2, 2, 2, (uint8_t)LIST_NOT_USED, 1); + } + if(USES_LIST(mb_type, 1)){ + write_back_motion_list(h, s, b_stride, b_xy, b8_xy, mb_type, 1); + } + + if(h->slice_type_nos == AV_PICTURE_TYPE_B && CABAC){ + if(IS_8X8(mb_type)){ + uint8_t *direct_table = &h->direct_table[4*h->mb_xy]; + direct_table[1] = h->sub_mb_type[1]>>1; + direct_table[2] = h->sub_mb_type[2]>>1; + direct_table[3] = h->sub_mb_type[3]>>1; + } + } +} + +static av_always_inline int get_dct8x8_allowed(H264Context *h){ + if(h->sps.direct_8x8_inference_flag) + return !(AV_RN64A(h->sub_mb_type) & ((MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_8x8 )*0x0001000100010001ULL)); + else + return !(AV_RN64A(h->sub_mb_type) & ((MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_8x8|MB_TYPE_DIRECT2)*0x0001000100010001ULL)); +} #endif /* AVCODEC_H264_H */