轉：X264函數功能總結
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函數名稱 |
所以位置 |
完成功能 |
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void x264_frame_filter |
common\mc.c |
幀濾波 |
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void x264_frame_init_lowres |
common\mc.c |
亮度1/2像素值初始化 |
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void x264_mc_init |
common\mc.c |
運動估計初始化 |
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static void motion_compensation_chroma |
common\mc.c |
色度運動估計 |
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static uint8_t *get_ref |
common\mc.c |
獲取參考亮度像素 |
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static void mc_luma |
common\mc.c |
亮度運動估計 |
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common\mc.c |
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void x264_param_default |
common\common.c |
設置缺省參數 |
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void x264_log |
common\common.c |
定義log級別 |
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static void x264_log_default |
common\common.c |
設置缺省日誌參數 |
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void x264_picture_alloc |
common\common.c |
設置picture參數,根據輸出圖像格式分配空間 |
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void x264_picture_clean |
common\common.c |
釋放分配的圖像空間 |
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int x264_nal_encode |
common\common.c |
nal單元編碼 |
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int x264_nal_decode |
common\common.c |
nal單元解碼 |
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void *x264_malloc |
common\common.c |
X264內部定義的內存分配 |
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void x264_free |
common\common.c |
X264內存釋放 |
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void *x264_realloc |
common\common.c |
X264重新分配圖像空間 |
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void x264_reduce_fraction |
common\common.c |
分數化簡 |
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char *x264_slurp_file |
common\common.c |
將文件讀入分配的緩存區 |
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char *x264_param2string |
common\common.c |
轉換參數爲字符串,返回字符串存放的地址 |
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void x264_cabac_context_init |
common\cabac.c |
CABAC上下文取值表初始化 |
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void x264_cabac_decode_init |
common\cabac.c |
CABAC解碼流初始化 |
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static inline void x264_cabac_decode_renorm |
common\cabac.c |
CABAC解碼重新標準化 |
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int x264_cabac_decode_decision |
common\cabac.c |
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int x264_cabac_decode_bypass |
common\cabac.c |
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int x264_cabac_decode_terminal |
common\cabac.c |
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void x264_cabac_encode_init |
common\cabac.c |
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static inline void x264_cabac_putbit |
common\cabac.c |
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static inline void x264_cabac_encode_renorm |
common\cabac.c |
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void x264_cabac_encode_decision |
common\cabac.c |
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void x264_cabac_encode_bypass |
common\cabac.c |
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void x264_cabac_encode_terminal |
common\cabac.c |
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void x264_cabac_encode_flush |
common\cabac.c |
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void x264_cabac_size_decision |
common\cabac.c |
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int x264_cabac_size_decision2 |
common\cabac.c |
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int 264_cabac_size_decision_noup |
common\cabac.c |
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static inline int clip_uint8 |
common\dct.c |
clip3(x,0,255) |
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static void dct2x2dc |
common\dct.c |
2*2直流係數的Hadamard變換 |
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以4*4變換爲基礎 |
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static void dct4x4dc |
common\dct.c |
4*4DC係數的Hadamard變換 |
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static void idct4x4dc |
common\dct.c |
每行每列一維蝶形快速算法,完成d[4][4]的Hadamard反變換 |
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static void sub4x4_dct |
common\dct.c |
對4*4殘差進行DCT變換 |
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static void sub8x8_dct |
common\dct.c |
對8*8殘差進行DCT變換 |
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static void sub16x16_dct |
common\dct.c |
對16*16殘差進行DCT變換 |
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static void add4x4_idct |
common\dct.c |
殘差塊DCT反變換後,加到預測塊上,重構4*4塊 |
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static void add8x8_idct |
common\dct.c |
殘差塊DCT反變換後,加到預測塊上,重構8*8塊 |
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static void add16x16_idct |
common\dct.c |
殘差塊DCT反變換後,加到預測塊上,重構16*16塊 |
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void x264_dct_init |
common\dct.c |
DCT運算初始化 |
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static void quant_8x8_core |
common\quant.c |
8*8 AC量化 |
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static void quant_4x4_core |
common\quant.c |
4*4 AC量化 |
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static void quant_4x4_dc_core |
common\quant.c |
4*4 亮度DC量化 |
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static void quant_2x2_dc_core |
common\quant.c |
2*2 色度DC量化 |
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static void dequant_4x4 |
common\quant.c |
4*4 AC反量化 |
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static void dequant_8x8 |
common\quant.c |
8*8 AC反量化 |
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void x264_mb_dequant_2x2_dc |
common\quant.c |
2*2 色度DC反量化 |
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void x264_mb_dequant_4x4_dc |
common\quant.c |
4*4 亮度DC反量化 |
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void x264_quant_init |
common\quant.c |
量化參量初始化 |
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x264_frame_t *x264_frame_new |
common\frame.c |
創建新幀 |
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void x264_frame_delete |
common\frame.c |
刪除幀,釋放空間 |
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void x264_frame_copy_picture |
common\frame.c |
將圖像拷貝到幀中 |
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static void plane_expand_border |
common\frame.c |
邊界擴展(被其他具體的擴展函數調用) |
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void x264_frame_expand_border |
common\frame.c |
幀邊界擴展 |
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void x264_frame_expand_border_filtered |
common\frame.c |
爲濾波進行的邊界擴展 |
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void x264_frame_expand_border_lowres |
common\frame.c |
爲計算亮度半像素值進行邊界擴展 |
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void x264_frame_expand_border_mod16 |
common\frame.c |
幀邊界不是16整數倍時進行邊界擴展 |
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static inline void deblock_luma_c |
common\frame.c |
bs=1~3時,修正亮度MB邊界的p0和q0值 |
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static void deblock_v_luma_c |
common\frame.c |
亮度分量垂直邊界去塊濾波 |
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static void deblock_h_luma_c |
common\frame.c |
亮度分量水平邊界去塊濾波 |
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static inline void deblock_chroma_c |
common\frame.c |
bs=1~3時,修正色度MB邊界的p0和q0值 |
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static void deblock_v_chroma_c |
common\frame.c |
色度分量垂直邊界去塊濾波 |
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static void deblock_h_chroma_c |
common\frame.c |
色度分量水平邊界去塊濾波 |
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static inline void deblock_luma_intra_c |
common\frame.c |
bs=4時,修正亮度MB邊界的值 |
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static void deblock_v_luma_intra_c |
common\frame.c |
幀內亮度分量垂直邊界去塊濾波 |
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static void deblock_h_luma_intra_c |
common\frame.c |
幀內亮度分量水平邊界去塊濾波 |
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static inline void deblock_chroma_intra_c |
common\frame.c |
bs=4時,修正色度MB邊界的值 |
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static void deblock_v_chroma_intra_c |
common\frame.c |
幀內色度分量垂直邊界去塊濾波 |
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static void deblock_h_chroma_intra_c |
common\frame.c |
幀內色度分量水平邊界去塊濾波 |
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static inline void deblock_edge |
common\frame.c |
bs值確定 |
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void x264_frame_deblocking_filter |
common\frame.c |
幀去塊濾波主函數 |
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void x264_deblock_init |
common\frame.c |
去塊濾波初始化 |
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int x264_mb_predict_intra4x4_mode |
common\macroblock.c |
幀內4*4塊模式預測 |
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int x264_mb_predict_non_zero_code |
common\macroblock.c |
非零 |
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int x264_mb_transform_8x8_allowed |
common\macroblock.c |
判斷當前宏塊是否允許8*8變換 |
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void x264_mb_predict_mv |
common\macroblock.c |
宏塊運動矢量預測 |
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void x264_mb_predict_mv_16x16 |
common\macroblock.c |
16*16塊MV預測 |
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void x264_mb_predict_mv_pskip |
common\macroblock.c |
Pskip塊MV預測 |
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static int x264_mb_predict_mv_direct16x16_temporal |
common\macroblock.c |
直接模式16*16塊MV時間預測 |
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static int x264_mb_predict_mv_direct16x16_spatial |
common\macroblock.c |
直接模式16*16塊MV空間預測 |
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int x264_mb_predict_mv_direct16x16 |
common\macroblock.c |
直接模式16*16塊MV預測 |
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void x264_mb_load_mv_direct8x8 |
common\macroblock.c |
直接模式8*8塊MV加載 |
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void x264_mb_predict_mv_ref16x16 |
common\macroblock.c |
16*16參考塊MV預測 |
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static inline void x264_mb_mc_0xywh |
common\macroblock.c |
前向宏塊運動補償 |
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static inline void x264_mb_mc_1xywh |
common\macroblock.c |
後向宏塊運動補償 |
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static inline void x264_mb_mc_01xywh |
common\macroblock.c |
宏塊雙向運動補償 |
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static void x264_mb_mc_direct8x8 |
common\macroblock.c |
直接模式8*8塊運動補償 |
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void x264_mb_mc_8x8 |
common\macroblock.c |
各種類型8*8塊及其分割的運動補償 |
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void x264_mb_mc |
common\macroblock.c |
各種類型塊運動補償(調用以上各MC子函數) |
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void x264_macroblock_cache_init |
common\macroblock.c |
初始化表徵宏塊的各變量,分配內存空間 |
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void x264_macroblock_cache_end |
common\macroblock.c |
釋放爲宏塊分配的cache空間 |
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void x264_macroblock_slice_init |
common\macroblock.c |
初始MB與slice映射關係 |
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void x264_macroblock_cache_load |
common\macroblock.c |
宏塊cache加載,所有宏塊表徵變量賦值 |
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void x264_macroblock_cache_save |
common\macroblock.c |
保存cache中的變量值 |
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void x264_macroblock_bipred_init |
common\macroblock.c |
宏塊雙向預測初始化 |
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int64_t x264_pixel_ssd_wxh |
common\pixel.c |
計算像素差值平方和 |
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static inline void pixel_sub_wxh |
common\pixel.c |
計算像素差 |
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static int pixel_satd_wxh |
common\pixel.c |
計算4*4hardmard變換後的絕對誤差和 |
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static inline int pixel_sa8d_wxh |
common\pixel.c |
計算8*8hardmard變換後的絕對誤差和 |
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static void predict_16x16_dc |
common\predict.c |
上和左鄰塊可用時,幀內16*16亮度塊DC模式預測 |
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static void predict_16x16_dc_left |
common\predict.c |
左邊鄰塊可用時,幀內16*16亮度塊DC模式預測 |
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static void predict_16x16_dc_top |
common\predict.c |
上邊鄰塊可用時,幀內16*16亮度塊DC模式預測 |
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static void predict_16x16_dc_128 |
common\predict.c |
鄰塊均不可用時,幀內16*16亮度塊預測DC模式,預測值爲128 |
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static void predict_16x16_h |
common\predict.c |
幀內16*16亮度塊水平預測 |
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static void predict_16x16_v |
common\predict.c |
幀內16*16亮度塊垂直預測 |
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static void predict_16x16_p |
common\predict.c |
幀內16*16亮度塊平面預測 |
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static void predict_8x8c_dc_128 |
common\predict.c |
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static void predict_8x8c_dc_left |
common\predict.c |
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static void predict_8x8c_dc_top |
common\predict.c |
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static void predict_8x8c_dc |
common\predict.c |
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static void predict_8x8c_h |
common\predict.c |
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static void predict_8x8c_v |
common\predict.c |
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static void predict_8x8c_p |
common\predict.c |
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static void predict_4x4c_dc_128 |
common\predict.c |
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static void predict_4x4c_dc_left |
common\predict.c |
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static void predict_4x4c_dc_top |
common\predict.c |
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static void predict_4x4c_dc |
common\predict.c |
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static void predict_4x4c_h |
common\predict.c |
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static void predict_4x4c_v |
common\predict.c |
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static void predict_4x4c_p |
common\predict.c |
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static void predict_4x4_ddl |
common\predict.c |
模式3 左下對角預測 |
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static void predict_4x4_ddr |
common\predict.c |
模式4 右下對角預測 |
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static void predict_4x4_vr |
common\predict.c |
模式5 垂直左下角 |
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static void predict_4x4_hd |
common\predict.c |
模式6 水平斜下角 |
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static void predict_4x4_vl |
common\predict.c |
模式7 垂直左下角 |
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static void predict_4x4_hu |
common\predict.c |
模式8 水平斜上角 |
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static void predict_8x8c_dc_128 |
common\predict.c |
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static void predict_8x8c_dc_left |
common\predict.c |
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static void predict_8x8c_dc_top |
common\predict.c |
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static void predict_8x8c_dc |
common\predict.c |
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static void predict_8x8c_h |
common\predict.c |
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static void predict_8x8c_v |
common\predict.c |
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static void predict_8x8c_p |
common\predict.c |
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static void predict_8x8_ddl |
common\predict.c |
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static void predict_8x8_ddr |
common\predict.c |
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static void predict_8x8_vr |
common\predict.c |
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static void predict_8x8_hd |
common\predict.c |
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static void predict_8x8_vl |
common\predict.c |
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static void predict_8x8_hu |
common\predict.c |
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void x264_predict_16x16_init |
common\predict.c |
幀內16*16亮度塊預測模式初始化 |
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void x264_predict_8x8c_init( int cpu, x264_predict8x8_t pf[7] ) |
common\predict.c |
幀內8*8亮度塊預測模式初始化(7種模式) |
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void x264_predict_8x8c_init( int cpu, x264_predict8x8_t pf[12] ) |
common\predict.c |
幀內8*8亮度塊預測模式初始化(12種模式) |
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void x264_predict_4x4_init |
common\predict.c |
幀內4*4亮度塊預測模式初始化 |
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void x264_cqm_init |
common\set.c |
量化矩陣初始化 |
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int x264_cqm_parse_jmlist |
common\set.c |
分析量化矩陣列表的正確性 |
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int x264_cqm_parse_file |
common\set.c |
分析量化矩陣文件的正確性 |
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static inline void x264_cabac_encode_ue_bypass |
encoder\cabac.c |
無符號指標GOLOMB編碼 |
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static inline void x264_cabac_mb_type_intra |
encoder\cabac.c |
宏塊幀內類型cabac編碼 |
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static void x264_cabac_mb_type |
encoder\cabac.c |
宏塊類型cabac編碼 |
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static void x264_cabac_mb_intra4x4_pred_mode |
encoder\cabac.c |
4*4幀內亮度塊預測模式cabac編碼 |
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static void x264_cabac_mb_intra_chroma_pred_mode |
encoder\cabac.c |
幀內色度塊預測模式cabac編碼 |
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static void x264_cabac_mb_cbp_luma |
encoder\cabac.c |
宏塊亮度cbp值cabac編碼 |
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static void x264_cabac_mb_cbp_chroma |
encoder\cabac.c |
宏塊色度cbp值cabac編碼 |
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static void x264_cabac_mb_qp_delta |
encoder\cabac.c |
宏塊增量量化參數cabac編碼 |
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void x264_cabac_mb_skip |
encoder\cabac.c |
可跳過宏塊cabac編碼 |
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static inline void x264_cabac_mb_sub_p_partition |
encoder\cabac.c |
8*8子宏塊分割cabac編碼 |
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static inline void x264_cabac_mb_sub_b_partition |
encoder\cabac.c |
B幀8*8子宏塊各種分割cabac編碼 |
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static inline void x264_cabac_mb_transform_size |
encoder\cabac.c |
宏塊變換塊尺寸cabac編碼 |
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static inline void x264_cabac_mb_ref |
encoder\cabac.c |
參考宏塊cabac編碼 |
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static inline void x264_cabac_mb_mvd_cpn |
encoder\cabac.c |
宏塊的mvd進行cabac編碼 |
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static inline void x264_cabac_mb_mvd |
encoder\cabac.c |
計算並保存宏塊mvd,調用上個函數對mvd進行cabac編碼 |
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static inline void x264_cabac_mb8x8_mvd |
encoder\cabac.c |
8*8宏塊mvd的cabac編碼 |
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static int x264_cabac_mb_cbf_ctxidxinc |
encoder\cabac.c |
返回宏塊左邊和上邊塊非0像素的個數 |
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static void block_residual_write_cabac |
encoder\cabac.c |
殘差塊cabac編碼 |
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void x264_macroblock_write_cabac |
encoder\cabac.c |
宏塊cabac編碼主函數(調用以上各子函數) |
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定義RD時使用 |
encoder\cabac.c |
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void x264_partition_size_cabac |
encoder\cabac.c |
宏塊分割cabac編碼主函數 |
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static void x264_partition_i8x8_size_cabac |
encoder\cabac.c |
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static void x264_partition_i4x4_size_cabac |
encoder\cabac.c |
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static void block_residual_write_cavlc |
encoder\cavlc.c |
殘差塊cavlc編碼 |
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static void cavlc_qp_delta |
encoder\cavlc.c |
量化參數增量cavlc編碼 |
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static void cavlc_mb_mvd |
encoder\cavlc.c |
運動矢量差值cavlc編碼 |
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static void cavlc_mb8x8_mvd |
encoder\cavlc.c |
8*8子宏塊運動矢量差值cavlc編碼 |
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static inline void x264_macroblock_luma_write_cavlc |
encoder\cavlc.c |
亮度宏塊cavlc編碼 |
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void x264_macroblock_write_cavlc |
encoder\cavlc.c |
宏塊cavlc編碼主函數 |
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#ifdef RDO_SKIP_BS時使用下列 |
encoder\cavlc.c |
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int x264_partition_size_cavlc |
encoder\cavlc.c |
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static int cavlc_intra4x4_pred_size |
encoder\cavlc.c |
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static int x264_partition_i8x8_size_cavlc |
encoder\cavlc.c |
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static int x264_partition_i4x4_size_cavlc |
encoder\cavlc.c |
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static double pop |
encoder\eval.c |
出棧 |
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static void push |
encoder\eval.c |
入棧 |
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static int strmatch |
encoder\eval.c |
串匹配 |
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static void evalPrimary |
encoder\eval.c |
一些常用計算 |
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static void evalPow |
encoder\eval.c |
運算式分析或計算 |
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static void evalFactor |
encoder\eval.c |
求冪運算 |
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static void evalTerm |
encoder\eval.c |
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static void evalExpression |
encoder\eval.c |
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double x264_eval |
encoder\eval.c |
輸入運算變量和運算符,功能調用運算表達式分析函數 |
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void x264_me_search_ref |
encoder\me.c |
運動估計搜索 |
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void x264_me_refine_qpel |
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亞像素運動估計 |
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static void refine_subpel |
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亞像素運動估計搜索 |
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int x264_me_refine_bidir |
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雙向運動估計 |
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void x264_me_refine_qpel_rd |
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有率失真的亞像素運動估計 |