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FFmpeg
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FFmpeg
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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 | 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 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_sqrt_tab [256] |
| const uint8_t | ff_crop_tab [256+2 *MAX_NEG_CROP] |
| const uint8_t | ff_zigzag_direct [64] |
| const uint8_t | ff_zigzag_scan [16+1] |
| #define MAX_NEG_CROP 1024 |
Definition at line 30 of file mathops.h.
Referenced by cavs_idct8_add_c(), filter_common(), filter_mbedge(), h_block_filter(), intra_pred_plane(), mp_yuv_to_rgb(), parse_ifo_palette(), parse_palette_segment(), pred16x16_tm_vp8_c(), pred4x4_tm_vp8_c(), pred8x8_tm_vp8_c(), rv30_weak_loop_filter(), rv40_weak_loop_filter(), v_block_filter(), wmv2_mspel8_h_lowpass(), wmv2_mspel8_v_lowpass(), and yuv_a_to_rgba().
Definition at line 53 of file mathops.h.
Referenced by decode_var_block_data(), l1_unscale(), MULH(), parcor_to_lpc(), and revert_channel_correlation().
Definition at line 57 of file mathops.h.
Referenced by long_term_filter(), lsp2poly(), and silk_is_lpc_stable().
Definition at line 73 of file mathops.h.
Referenced by ac3_sum_square_butterfly_int32_c().
Definition at line 82 of file mathops.h.
Referenced by g722_apply_qmf().
Definition at line 87 of file mathops.h.
Referenced by apply_window_int16_c(), celt_cos(), ff_dot_product(), g722_apply_qmf(), pRNG(), and synth_frame().
| #define mid_pred mid_pred |
Definition at line 96 of file mathops.h.
Referenced by add_hfyu_median_pred_c(), add_hfyu_median_pred_int16_c(), add_lag_median_prediction(), correlate(), correlate_slice_buffered(), decorrelate(), direct_search(), do_video_out(), encode_q_branch(), epic_decode_component_pred(), estimate_motion_b(), ff_estimate_p_frame_motion(), ff_h263_pred_motion(), ff_pre_estimate_p_frame_motion(), ff_vc1_pred_b_mv(), ff_vc1_pred_mv(), ff_vc1_pred_mv_intfr(), get_chroma_mv(), get_luma_mv(), h263_mv4_search(), interlaced_search(), lag_pred_line_yuy2(), loco_predict(), ls_decode_line(), ls_encode_line(), motion_search(), mv_pred_median(), pred_motion(), pred_mv(), pred_pskip_motion(), pred_spatial_direct_motion(), predict(), restore_median(), restore_median_il(), rv34_pred_b_vector(), rv34_pred_mv(), rv34_pred_mv_rv3(), sub_hfyu_median_pred_c(), sub_hfyu_median_pred_int16_c(), svq1_decode_motion_vector(), svq3_pred_motion(), and wmv2_pred_motion().
| #define median4 median4 |
Definition at line 125 of file mathops.h.
Referenced by get_chroma_mv(), and get_luma_mv().
Definition at line 175 of file mathops.h.
Referenced by decode_block(), decode_block_progressive(), decode_vlc_codeword(), dnxhd_decode_dct_block(), dv_decode_ac(), and get_xbits().
Definition at line 193 of file mathops.h.
Referenced by pred4x4_vertical_vp8_c().
| #define FASTDIV | ( | a, | |
| b | |||
| ) | ((uint32_t)((((uint64_t)a) * ff_inverse[b]) >> 32)) |
Definition at line 211 of file mathops.h.
Referenced by adapt_prob(), decode_blockcodes(), ff_mpeg4_pred_dc(), ff_msmpeg4_pred_dc(), ff_sqrt(), get_dc(), mpeg4_decode_block(), unpack_bitstream(), and vorbis_residue_decode_internal().
| #define ff_sqrt ff_sqrt |
Definition at line 215 of file mathops.h.
Referenced by calc_cpl_coord(), dpcm_predict(), draw_arrow(), encode_q_branch(), ff_estimate_p_frame_motion(), ff_t_sqrt(), fixed_sqrt(), get_visual_weight(), main(), opus_rc_trimodel(), and square_root().
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Definition at line 139 of file mathops.h.
Referenced by adpcm_decode_frame(), alac_linear_predictor(), cinaudio_decode_frame(), decode_band_numwavs(), decode_block(), decode_channel_sf_idx(), decode_qu_spectra(), decode_tones_amplitude(), decode_tones_frequency(), dpcm_decode_frame(), ebml_read_sint(), ff_h263_decode_motion(), ff_h263_encode_motion(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), generate_joint_tables(), get_sbits_long(), libopus_decode_init(), lpc_prediction(), matroska_parse_block(), mpeg1_encode_motion(), mpeg_decode_motion(), on2avc_decode_pairs(), on2avc_decode_quads(), paf_audio_decode(), smka_decode_frame(), svq1_decode_motion_vector(), tscc2_decode_mb(), tta_decode_frame(), xa_decode(), and xan_wc3_decode_frame().
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Definition at line 237 of file mathops.h.
Referenced by search_for_quantizers_twoloop().
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Definition at line 242 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_sqrt_tab[256] |
Definition at line 63 of file mathtables.c.
Referenced by ff_sqrt().
| const uint8_t 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 decode_block(), decode_dct(), decode_gop_header(), decode_i_block(), decode_init(), decode_scaling_list(), dnxhd_decode_header(), dnxhd_init_qmat(), dv_init_enc_block(), dvvideo_decode_init(), encode_picture(), ff_cavs_init(), ff_dct_encode_init_x86(), ff_mpv_idct_init(), ff_rtjpeg_init(), ff_vp56_init_context(), ff_write_quant_matrix(), fic_decode_block(), fill_quantization_matrices(), fill_scaling_lists(), hq_decode_block(), init_idct(), init_scan_tables(), jpg_decode_block(), jpg_init(), ljpeg_encode_init(), load_matrix(), mpeg_decode_picture_coding_extension(), mss4_decode_dct(), tgq_decode_init(), tqi_decode_init(), 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(), fill_scaling_lists(), init_scan_tables(), svq3_decode_block(), tscc2_decode_mb(), vp78_decode_init(), vp7_decode_frame_header(), and vp8_decode_block_coeffs_internal().
1.8.6