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FFmpeg
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#include <stdint.h>#include "libavutil/attributes_internal.h"#include "libavutil/common.h"#include "config.h"Go to the source code of this file.
Macros | |
| #define | MAX_NEG_CROP 1024 |
| #define | MUL64(a, b) ((int64_t)(a) * (int64_t)(b)) |
| #define | MULL(a, b, s) (MUL64(a, b) >> (s)) |
| #define | MAC64(d, a, b) ((d) += MUL64(a, b)) |
| #define | MLS64(d, a, b) ((d) -= MUL64(a, b)) |
| #define | MAC16(rt, ra, rb) rt += (ra) * (rb) |
| #define | MUL16(ra, rb) ((ra) * (rb)) |
| #define | MLS16(rt, ra, rb) ((rt) -= (ra) * (rb)) |
| #define | mid_pred mid_pred |
| #define | median4 median4 |
| #define | FF_SIGNBIT(x) ((x) >> CHAR_BIT * sizeof(x) - 1) |
| #define | COPY3_IF_LT(x, y, a, b, c, d) |
| #define | MASK_ABS(mask, level) |
| #define | NEG_SSR32(a, s) ((( int32_t)(a))>>(32-(s))) |
| #define | NEG_USR32(a, s) (((uint32_t)(a))>>(32-(s))) |
| #define | PACK_2U8(a, b) (((b) << 8) | (a)) |
| #define | PACK_4U8(a, b, c, d) (((d) << 24) | ((c) << 16) | ((b) << 8) | (a)) |
| #define | PACK_2U16(a, b) (((b) << 16) | (a)) |
| #define | PACK_2S8(a, b) PACK_2U8((a)&255, (b)&255) |
| #define | PACK_4S8(a, b, c, d) PACK_4U8((a)&255, (b)&255, (c)&255, (d)&255) |
| #define | PACK_2S16(a, b) PACK_2U16((a)&0xffff, (b)&0xffff) |
| #define | FASTDIV(a, b) ((uint32_t)((((uint64_t)a) * ff_inverse[b]) >> 32)) |
| #define | ff_sqrt ff_sqrt |
Functions | |
| static av_always_inline int | MULH (int a, int b) |
| static av_always_inline unsigned | UMULH (unsigned a, unsigned b) |
| static av_const int | mid_pred (int a, int b, int c) |
| static av_const int | median4 (int a, int b, int c, int d) |
| static av_const int | sign_extend (int val, unsigned bits) |
| static av_const int64_t | sign_extend64 (int64_t val, unsigned bits) |
| static av_const unsigned | zero_extend (unsigned val, unsigned bits) |
| static av_const unsigned int | ff_sqrt (unsigned int a) |
| static av_const float | ff_sqrf (float a) |
| static int8_t | ff_u8_to_s8 (uint8_t a) |
Variables | |
| const uint32_t | ff_inverse [257] |
| const uint8_t | ff_log2_run [41] |
| const uint8_t | ff_sqrt_tab [256] |
| const uint8_t attribute_visibility_hidden | ff_crop_tab [256+2 *MAX_NEG_CROP] |
| const uint8_t | ff_zigzag_direct [64] |
| const uint8_t | ff_zigzag_scan [16+1] |
| #define FASTDIV | ( | a, | |
| b | |||
| ) | ((uint32_t)((((uint64_t)a) * ff_inverse[b]) >> 32)) |
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inlinestatic |
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inlinestatic |
Definition at line 131 of file mathops.h.
Referenced by adpcm_decode_frame(), adpcm_ima_cunning_expand_nibble(), alac_linear_predictor(), ambisonics_config(), aptx_unpack_codeword(), aptxhd_unpack_codeword(), check_lpc(), check_lpc33(), cinaudio_decode_frame(), decode_0cpy(), decode_band_numwavs(), decode_block(), decode_channel_sf_idx(), decode_huff(), decode_inter(), decode_inter_block(), decode_intra_block(), decode_plane(), decode_qu_spectra(), decode_tones_amplitude(), decode_tones_frequency(), dpcm_decode_frame(), ff_adpcm_argo_expand_nibble(), ff_h263_decode_motion(), ff_h263_encode_motion(), flic_decode_frame_15_16BPP(), flic_decode_frame_1BPP(), flic_decode_frame_24BPP(), flic_decode_frame_8BPP(), fold(), generate_joint_tables(), get_sbits_long(), get_xbits_le(), libopus_decode_init(), lpc_prediction(), mix_presentation_obu(), mpc8_decode_frame(), mpeg_decode_motion(), on2avc_decode_pairs(), on2avc_decode_quads(), paf_audio_decode(), parameter_block_obu(), peek_signed_nz(), qoa_decode_frame(), read_coeffs_coarse(), read_coeffs_fine(), read_signed_nz(), scalable_channel_layout_config(), scale_coefs(), svq1_decode_motion_vector(), test_decorrelate_sf(), tscc2_decode_mb(), tta_decode_frame(), xa_decode(), and xan_wc3_decode_frame().
Definition at line 140 of file mathops.h.
Referenced by check_lpc33(), and get_sbits64().
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inlinestatic |
Definition at line 149 of file mathops.h.
Referenced by get_xbits_le().
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Definition at line 238 of file mathops.h.
Referenced by search_for_quantizers_twoloop().
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inlinestatic |
Definition at line 243 of file mathops.h.
Referenced by color_transform_delta().
| const uint32_t ff_inverse[257] |
Definition at line 27 of file mathtables.c.
Referenced by dct_quantize_TMPL(), ff_msmpeg4_pred_dc(), and setup_classifs().
| const uint8_t ff_log2_run[41] |
Definition at line 116 of file mathtables.c.
Referenced by decode_frame(), decode_line(), encode_line(), ls_decode_line(), ls_encode_line(), and ls_encode_run().
| const uint8_t ff_sqrt_tab[256] |
Definition at line 63 of file mathtables.c.
Referenced by ff_sqrt().
| const uint8_t attribute_visibility_hidden ff_crop_tab[256+2 *MAX_NEG_CROP] |
Definition at line 77 of file mathtables.c.
| const uint8_t ff_zigzag_direct[64] |
Definition at line 98 of file mathtables.c.
Referenced by ac_uncompress(), add_coefficients(), calc_dequant(), compute_quant_matrix(), decode_block(), decode_block_intra(), decode_dct(), decode_gop_header(), decode_i_block(), decode_init(), decode_scaling_list(), decode_studio_vop_header(), decode_vol_header(), decode_vop_header(), dnxhd_decode_header(), dnxhd_init_qmat(), dv_init_enc_block(), dvvideo_decode_init(), encode_picture(), ff_cavs_init(), ff_dxva2_h264_fill_scaling_lists(), ff_dxva2_mpeg2_fill_quantization_matrices(), ff_mpv_idct_init(), ff_rtjpeg_init(), ff_vp56_init_context(), ff_write_quant_matrix(), fic_decode_block(), hq_decode_block(), init_idct(), init_scan_tables(), ipu_decode_frame(), jpg_init(), lead_decode_init(), load_matrix(), mpeg_decode_picture_coding_extension(), mss4_decode_dct(), read_quant_matrix_ext(), set_pps(), set_sps(), speedhq_decode_init(), tgq_decode_block(), tqi_decode_mb(), vaapi_mpeg2_start_frame(), vaapi_mpeg4_start_frame(), and vp3_decode_init().
| const uint8_t ff_zigzag_scan[16+1] |
Definition at line 109 of file mathtables.c.
Referenced by decode_mb_coeffs(), decode_scaling_list(), ff_dxva2_h264_fill_scaling_lists(), init_scan_tables(), set_pps(), set_sps(), svq3_decode_block(), tscc2_decode_mb(), vp78_decode_init(), vp7_decode_frame_header(), and vp8_decode_block_coeffs_internal().
1.8.17