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FFmpeg
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LZW decoding routines. More...
Go to the source code of this file.
Data Structures | |
| struct | LZWState |
Macros | |
| #define | LZW_MAXBITS 12 |
| #define | LZW_SIZTABLE (1<<LZW_MAXBITS) |
Functions | |
| static int | lzw_get_code (struct LZWState *s) |
| int | ff_lzw_decode_tail (LZWState *p) |
| av_cold void | ff_lzw_decode_open (LZWState **p) |
| av_cold void | ff_lzw_decode_close (LZWState **p) |
| int | ff_lzw_decode_init (LZWState *p, int csize, const uint8_t *buf, int buf_size, int mode) |
| Initialize LZW decoder. More... | |
| int | ff_lzw_decode (LZWState *p, uint8_t *buf, int len) |
| Decode given number of bytes NOTE: the algorithm here is inspired from the LZW GIF decoder written by Steven A. More... | |
Variables | |
| static const uint16_t | mask [17] |
LZW decoding routines.
Definition in file lzw.c.
| #define LZW_SIZTABLE (1<<LZW_MAXBITS) |
Definition at line 70 of file lzw.c.
Referenced by ff_lzw_decode().
Definition at line 99 of file lzw.c.
Referenced by gif_read_image().
Definition at line 113 of file lzw.c.
Referenced by gif_decode_init(), and tiff_init().
Definition at line 118 of file lzw.c.
Referenced by gif_decode_close(), and tiff_end().
Initialize LZW decoder.
| p | LZW context |
| csize | initial code size in bits |
| buf | input data |
| buf_size | input data size |
| mode | decoder working mode - either GIF or TIFF |
Definition at line 131 of file lzw.c.
Referenced by gif_read_image(), and tiff_unpack_strip().
Decode given number of bytes NOTE: the algorithm here is inspired from the LZW GIF decoder written by Steven A.
Bennett in 1987.
| p | LZW context |
| buf | output buffer |
| len | number of bytes to decode |
Definition at line 169 of file lzw.c.
Referenced by gif_read_image(), and tiff_unpack_strip().
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static |
Definition at line 38 of file lzw.c.
Referenced by ac3_bit_alloc_calc_bap_c(), ac3_lshift_int16_c(), add_hfyu_median_pred_int16_c(), add_int16_c(), add_left_pred_int16_c(), apply_filter(), av_opt_set_defaults2(), av_read_image_line2(), av_set_cpu_flags_mask(), avc_chroma_hv_2x2_msa(), avc_chroma_hv_2x4_msa(), avc_chroma_hv_4x2_msa(), avc_chroma_hv_4x4_msa(), avc_chroma_hv_4x8_msa(), avc_chroma_hv_8x4_msa(), avc_chroma_hv_8x8_msa(), avc_chroma_hv_and_aver_dst_2x2_msa(), avc_chroma_hv_and_aver_dst_2x4_msa(), avc_chroma_hv_and_aver_dst_4x2_msa(), avc_chroma_hv_and_aver_dst_4x4_msa(), avc_chroma_hv_and_aver_dst_4x8_msa(), avc_chroma_hv_and_aver_dst_8x4_msa(), avc_chroma_hv_and_aver_dst_8x8_msa(), avc_chroma_hz_2x2_msa(), avc_chroma_hz_2x4_msa(), avc_chroma_hz_4x2_msa(), avc_chroma_hz_4x4_msa(), avc_chroma_hz_4x8_msa(), avc_chroma_hz_8x4_msa(), avc_chroma_hz_8x8_msa(), avc_chroma_hz_and_aver_dst_2x2_msa(), avc_chroma_hz_and_aver_dst_2x4_msa(), avc_chroma_hz_and_aver_dst_4x2_msa(), avc_chroma_hz_and_aver_dst_4x4_msa(), avc_chroma_hz_and_aver_dst_4x8_msa(), avc_chroma_hz_and_aver_dst_8x4_msa(), avc_chroma_hz_and_aver_dst_8x8_msa(), avc_chroma_hz_nonmult_msa(), binkb_read_bundle(), bit_depth(), blend_line_hv(), blend_line_hv16(), blend_pixel(), blend_pixel16(), blur_image(), blur_pixel(), build_xlaw_table(), check_add_int16(), check_add_left_pred_16(), check_loop_filter(), check_loop_filter_intra(), cinepak_decode_codebook(), cinepak_decode_vectors(), cmp_direct_inline(), codebook_bits_offset(), common_hv_2ht_2vt_4x4_msa(), common_hv_2ht_2vt_4x8_msa(), common_hv_2ht_2vt_8x4_msa(), common_hv_2ht_2vt_8x8mult_msa(), common_hv_2ht_2vt_and_aver_dst_4x4_msa(), common_hv_2ht_2vt_and_aver_dst_4x8_msa(), common_hv_2ht_2vt_and_aver_dst_8x4_msa(), common_hv_2ht_2vt_and_aver_dst_8x8mult_msa(), common_hz_2t_4x4_msa(), common_hz_2t_4x8_msa(), common_hz_2t_8x4_msa(), common_hz_2t_8x8mult_msa(), common_hz_2t_and_aver_dst_4x4_msa(), common_hz_2t_and_aver_dst_4x8_msa(), common_hz_2t_and_aver_dst_8x4_msa(), common_hz_2t_and_aver_dst_8x8mult_msa(), compress_alpha(), compress_color(), compute_bit_depth(), compute_network0new(), config_output(), copy_color_mask(), copy_src_mask(), decode_0(), decode_13(), decode_bmv_frame(), decode_channel_code_tab(), decode_clnpass(), decode_dds1(), decode_dsw1(), decode_init(), decode_long_vertical_delta2(), decode_mvc1(), decode_mvc2(), decode_region_masked(), decode_residual(), decode_residual_block(), decode_sigpass(), decode_tsw1(), decodeplane32(), diff_int16_c(), diff_pixels_mvi(), draw_htext(), draw_htext16(), draw_rectangle(), draw_vtext(), draw_vtext16(), drawtext(), encode_alpha_plane(), encode_alpha_slice_data(), encode_clnpass(), encode_plane_bitstream(), encode_refpass(), encode_sigpass(), epic_jb_decode_tile(), escape124_decode_frame(), estimate_alpha_plane(), ff_ac3_bit_alloc_calc_mask(), ff_acelp_fc_pulse_per_track(), ff_avg_bilin_16h_msa(), ff_avg_bilin_16hv_msa(), ff_avg_bilin_32h_msa(), ff_avg_bilin_64h_msa(), ff_blend_mask(), ff_dca_count_chs_for_mask(), ff_decode_10_pulses_35bits(), ff_draw_pc_font(), ff_er_add_slice(), ff_h264_check_intra4x4_pred_mode(), ff_loop_filter_h_44_16_msa(), ff_loop_filter_h_48_16_msa(), ff_loop_filter_h_4_8_msa(), ff_loop_filter_h_84_16_msa(), ff_loop_filter_h_88_16_msa(), ff_loop_filter_h_8_8_msa(), ff_loop_filter_v_16_8_msa(), ff_loop_filter_v_44_16_msa(), ff_loop_filter_v_48_16_msa(), ff_loop_filter_v_4_8_msa(), ff_loop_filter_v_84_16_msa(), ff_loop_filter_v_88_16_msa(), ff_loop_filter_v_8_8_msa(), ff_lsb2full(), ff_lzw_decode(), ff_lzw_decode_init(), ff_mlp_rematrix_channel(), ff_opus_rc_enc_end(), ff_put_bilin_16h_msa(), ff_put_bilin_16hv_msa(), ff_put_bilin_32h_msa(), ff_put_bilin_64h_msa(), ff_put_no_rnd_pixels_l2_msa(), ff_put_vp8_bilinear16_h_msa(), ff_put_vp8_bilinear16_hv_msa(), ff_sbc_crc8(), ff_vp3_h_loop_filter_msa(), ff_vp3_idct_dc_add_msa(), ff_vp3_v_loop_filter_msa(), ff_vp8_h_loop_filter16_inner_msa(), ff_vp8_h_loop_filter16_msa(), ff_vp8_h_loop_filter8uv_inner_msa(), ff_vp8_h_loop_filter8uv_msa(), ff_vp8_h_loop_filter_simple_msa(), ff_vp8_idct_add_msa(), ff_vp8_idct_dc_add_msa(), ff_vp8_v_loop_filter16_inner_msa(), ff_vp8_v_loop_filter16_msa(), ff_vp8_v_loop_filter8uv_inner_msa(), ff_vp8_v_loop_filter8uv_msa(), ff_vp8_v_loop_filter_simple_msa(), file_check(), fill_ltable(), fill_tile4(), fill_tileX(), filter_channel(), filter_frame(), filter_plane_cols(), filter_plane_rows(), filter_slice(), flac_read_header(), FUNC(), get_cabac_bypass_sign(), get_len(), get_mb_score(), get_speaker_pos(), h263_dct_unquantize_msa(), hevc_sao_band_filter_4width_msa(), horiz_mc_qpel_16width_msa(), horiz_mc_qpel_aver_src0_16width_msa(), horiz_mc_qpel_aver_src1_16width_msa(), horiz_mc_qpel_avg_dst_16width_msa(), horiz_mc_qpel_avg_dst_aver_src0_16width_msa(), horiz_mc_qpel_avg_dst_aver_src1_16width_msa(), horiz_mc_qpel_no_rnd_16width_msa(), horiz_mc_qpel_no_rnd_aver_src0_16width_msa(), horiz_mc_qpel_no_rnd_aver_src1_16width_msa(), hv_mc_qpel_aver_horiz_16x16_msa(), hv_mc_qpel_aver_horiz_src0_16x16_msa(), hv_mc_qpel_aver_horiz_src1_16x16_msa(), hv_mc_qpel_no_rnd_horiz_16x16_msa(), hv_mc_qpel_no_rnd_horiz_src0_16x16_msa(), hv_mc_qpel_no_rnd_horiz_src1_16x16_msa(), idct_column_false_mmi(), idct_column_true_mmi(), idct_msa(), idct_row_mmi(), init(), init_cavlc_level_tab(), init_luts(), intra_predict_vert_dc_8x8_msa(), jpg_decode_data(), linemask_matches(), ljpeg_decode_rgb_scan(), ljpeg_decode_yuv_scan(), load_mask(), mask_edges(), match_colors(), mlp_channel_layout_subset(), mlp_filter_channel(), mp3_write_xing(), mpc8_decode_frame(), mpc8_get_mask(), mpeg2_dct_unquantize_inter_msa(), mss2_blit_wmv9_masked_c(), mss2_blit_wmv9_template(), mss2_gray_fill_masked_c(), mszh_decomp(), parse_coding_header(), parse_xxch_frame(), picmemset(), png_get_interlaced_row(), png_put_interlaced_row(), pp_get_mode_by_name_and_quality(), pred_mv(), pred_spatial_direct_motion(), print_stats(), process_float(), process_frame(), put_swf_line_edge(), put_swf_rect(), randomize_loopfilter_buffers(), read_residue(), refine_colors(), rematrix_channels(), render_default_font(), rgb2yuv_fsb(), rv34_decode_cbp(), rv34_pred_mv_b(), sad_hv_bilinear_filter_8width_msa(), set_bit(), set_metadata(), setup_window(), store_slice16_c(), sub_hfyu_median_pred_int16_c(), subsampling_bounds(), twiddle(), ulti_pattern(), unpack_alpha(), vertClassify_altivec(), vp56_mc(), vp6_filter(), vp8_h_loop_filter8_mmi(), vp8_v_loop_filter8_mmi(), vp9_hz_lpf_t4_and_t8_16w(), vp9_vt_lpf_t4_and_t8_16w(), vp9_vt_lpf_t4_and_t8_8w(), write_element(), x8_get_ac_rlf(), and xan_unpack_luma().
1.8.17