Definition in file bitstream.h.
Go to the source code of this file.
Classes | |
| struct | PutBitContext |
| struct | GetBitContext |
| struct | VLC |
| struct | RL_VLC_ELEM |
Functions | |
| static int32_t | NEG_SSR32 (int32_t a, int8_t s) |
| static uint32_t | NEG_USR32 (uint32_t a, int8_t s) |
| static void | init_put_bits (PutBitContext *s, uint8_t *buffer, int buffer_size) |
| static int | put_bits_count (PutBitContext *s) |
| static void | flush_put_bits (PutBitContext *s) |
| void | align_put_bits (PutBitContext *s) |
| void | ff_put_string (PutBitContext *pbc, char *s, int put_zero) |
| void | ff_copy_bits (PutBitContext *pb, uint8_t *src, int length) |
| unaligned (16) unaligned(32) unaligned(64) static inline void put_bits(PutBitContext *s | |
| static int | get_bits_count (GetBitContext *s) |
| static void | skip_bits_long (GetBitContext *s, int n) |
| static int | get_xbits (GetBitContext *s, int n) |
| read mpeg1 dc style vlc (sign bit + mantisse with no MSB). | |
| static int | get_sbits (GetBitContext *s, int n) |
| static unsigned int | get_bits (GetBitContext *s, int n) |
| reads 1-17 bits. | |
| static unsigned int | show_bits (GetBitContext *s, int n) |
| shows 1-17 bits. | |
| static void | skip_bits (GetBitContext *s, int n) |
| static unsigned int | get_bits1 (GetBitContext *s) |
| static unsigned int | show_bits1 (GetBitContext *s) |
| static void | skip_bits1 (GetBitContext *s) |
| static unsigned int | get_bits_long (GetBitContext *s, int n) |
| reads 0-32 bits. | |
| static unsigned int | show_bits_long (GetBitContext *s, int n) |
| shows 0-32 bits. | |
| static int | check_marker (GetBitContext *s, const char *msg) |
| static void | init_get_bits (GetBitContext *s, const uint8_t *buffer, int bit_size) |
| init GetBitContext. | |
| static void | align_get_bits (GetBitContext *s) |
| int | init_vlc_sparse (VLC *vlc, int nb_bits, int nb_codes, const void *bits, int bits_wrap, int bits_size, const void *codes, int codes_wrap, int codes_size, const void *symbols, int symbols_wrap, int symbols_size, int flags) |
| void | free_vlc (VLC *vlc) |
| static av_always_inline int | get_vlc2 (GetBitContext *s, VLC_TYPE(*table)[2], int bits, int max_depth) |
| parses a vlc code, faster then get_vlc() | |
| static void | print_bin (int bits, int n) |
| static int | get_bits_trace (GetBitContext *s, int n, char *file, const char *func, int line) |
| static int | get_vlc_trace (GetBitContext *s, VLC_TYPE(*table)[2], int bits, int max_depth, char *file, const char *func, int line) |
| static int | get_xbits_trace (GetBitContext *s, int n, char *file, const char *func, int line) |
| static int | decode012 (GetBitContext *gb) |
Variables | |
| const uint8_t | ff_reverse [256] |
| int | n |
Definition at line 58 of file bitstream.h.
Definition at line 65 of file bitstream.h.
Referenced by decode_block(), decode_block_progressive(), dv_decode_ac(), and get_xbits().
| static void init_put_bits | ( | PutBitContext * | s, | |
| uint8_t * | buffer, | |||
| int | buffer_size | |||
| ) | [inline, static] |
Definition at line 91 of file bitstream.h.
Referenced by adpcm_encode_frame(), adts_write_frame_header(), dca_convert_bitstream(), dnxhd_setup_threads_slices(), dv_decode_video_segment(), dv_encode_video_segment(), encode_bitstream(), encode_ext_header(), encode_frame(), encode_picture_lossless(), encode_picture_ls(), encode_thread(), ff_init_cabac_encoder(), ff_lzw_encode_init(), ff_mpeg4_init_partitions(), flac_encode_frame(), g726_encode_frame(), gif_image_write_image(), h263_encode_init(), h264_write_nal_unit(), main(), MPA_encode_frame(), MPV_encode_picture(), output_frame_header(), put_main_header(), put_pack_header(), put_swf_matrix(), put_swf_rect(), put_system_header(), sonic_encode_frame(), sonic_encode_init(), svq1_encode_frame(), svq1_encode_plane(), swf_write_header(), vorbis_encode_frame(), and write_streaminfo().
| static int put_bits_count | ( | PutBitContext * | s | ) | [inline, static] |
Definition at line 112 of file bitstream.h.
Referenced by adpcm_encode_frame(), dca_convert_bitstream(), dnxhd_encode_thread(), dv_decode_video_segment(), encode_422_bitstream(), encode_bgr_bitstream(), encode_frame(), encode_gray_bitstream(), encode_line(), encode_mb(), encode_mb_hq(), encode_picture(), encode_picture_lossless(), encode_picture_ls(), encode_superframe(), encode_thread(), escape_FF(), ff_copy_bits(), ff_mjpeg_encode_stuffing(), ff_mpeg4_merge_partitions(), ff_mpeg4_stuffing(), flac_encode_frame(), g726_encode_frame(), get_bits_diff(), h263_encode_init(), h264_write_nal_unit(), merge_context_after_encode(), mpeg1_encode_picture_header(), MPV_encode_picture(), output_frame_footer(), output_frame_header(), put_bits_left(), put_cabac_terminate(), put_main_header(), sonic_encode_frame(), sonic_encode_init(), svq1_encode_frame(), svq1_encode_plane(), vorbis_encode_frame(), and writtenBytes().
| static void flush_put_bits | ( | PutBitContext * | s | ) | [inline, static] |
Definition at line 122 of file bitstream.h.
Referenced by adpcm_encode_frame(), adts_write_frame_header(), dca_convert_bitstream(), dnxhd_encode_thread(), dv_decode_video_segment(), dv_encode_video_segment(), encode_bitstream(), encode_ext_header(), encode_frame(), encode_picture_lossless(), encode_picture_ls(), encode_superframe(), encode_thread(), escape_FF(), ff_copy_bits(), ff_lzw_encode_flush(), ff_mjpeg_encode_picture_trailer(), ff_mpeg4_merge_partitions(), g726_encode_frame(), h263_encode_init(), h264_write_nal_unit(), jpeg_put_comments(), jpeg_table_header(), main(), merge_context_after_encode(), MPV_encode_picture(), output_frame_end(), output_frame_footer(), output_frame_header(), put_cabac_terminate(), put_main_header(), put_pack_header(), put_swf_matrix(), put_swf_rect(), put_system_header(), sonic_encode_frame(), sonic_encode_init(), svq1_encode_frame(), svq1_encode_plane(), swf_write_header(), vorbis_encode_frame(), write_slice_end(), and write_streaminfo().
| void align_put_bits | ( | PutBitContext * | s | ) |
Definition at line 44 of file bitstream.c.
Referenced by encode_block(), encode_frame(), encode_picture_ls(), ff_flv_encode_picture_header(), ff_h261_encode_picture_header(), flush_put_bits(), h263_encode_picture_header(), h264_write_nal_unit(), msmpeg4_encode_picture_header(), put_header(), rv10_encode_picture_header(), and write_slice_end().
| void ff_put_string | ( | PutBitContext * | pbc, | |
| char * | s, | |||
| int | put_zero | |||
| ) |
Definition at line 53 of file bitstream.c.
Referenced by jpeg_put_comments(), and mpeg4_encode_vol_header().
| void ff_copy_bits | ( | PutBitContext * | pb, | |
| uint8_t * | src, | |||
| int | length | |||
| ) |
Definition at line 63 of file bitstream.c.
Referenced by encode_thread(), ff_mpeg4_merge_partitions(), merge_context_after_encode(), and svq1_encode_plane().
| unaligned | ( | 16 | ) |
| static int get_bits_count | ( | GetBitContext * | s | ) | [inline, static] |
Definition at line 464 of file bitstream.h.
Referenced by adpcm_decode_frame(), align_get_bits(), categorize(), check_for_slice(), decode_frame(), decode_gain_info(), decode_p_frame(), decode_picture_parameter_set(), decode_rle(), decode_sei(), decode_slice(), decode_user_data(), dvbsub_read_2bit_string(), dvbsub_read_4bit_string(), encode_picture_ls(), ff_h261_resync(), ff_h263_decode_frame(), ff_h263_decode_mb(), ff_h263_resync(), ff_mpeg4_decode_picture_header(), ff_msmpeg4_decode_block(), flac_decode_frame(), flashsv_decode_frame(), g726_decode_frame(), get_bits_left(), get_bits_trace(), get_consumed_bytes(), get_level_prefix(), get_se(), get_te(), get_ue(), get_vlc_trace(), get_xbits_trace(), h261_decode_mb(), h261_decode_picture_header(), h263_decode_gob_header(), h263_decode_picture_header(), huffman_decode(), imc_decode_frame(), imc_get_coeffs(), loco_decode_plane(), mjpeg_decode_app(), mjpeg_decode_com(), mp_decode_frame(), mp_decode_layer3(), mpc7_decode_frame(), mpc8_decode_frame(), mpeg4_decode_video_packet_header(), mpeg4_is_resync(), mpeg_decode_slice(), msmpeg4_decode_ext_header(), qdm2_decode_sub_packet_header(), qdm2_decode_super_block(), read_huffman_tables(), rtjpeg_decode_frame_yuv420(), rv10_decode_packet(), seq_unpack_rle_block(), shorten_decode_frame(), smacker_decode_bigtree(), smk_get_code(), sonic_decode_frame(), svq3_decode_frame(), svq3_decode_slice_header(), switch_buffer(), theora_decode_init(), tm2_read_stream(), unpack_SQVH(), vc1_decode_b_blocks(), vc1_decode_i_blocks(), vc1_decode_i_blocks_adv(), vc1_decode_init(), vc1_decode_p_blocks(), vorbis_decode_frame(), vorbis_floor1_decode(), wma_decode_superframe(), and wv_get_value().
| static void skip_bits_long | ( | GetBitContext * | s, | |
| int | n | |||
| ) | [inline, static] |
Definition at line 468 of file bitstream.h.
Referenced by check_for_slice(), huffman_decode(), init_get_bits(), mp_decode_layer3(), and switch_buffer().
| static int get_xbits | ( | GetBitContext * | s, | |
| int | n | |||
| ) | [inline, static] |
read mpeg1 dc style vlc (sign bit + mantisse with no MSB).
if MSB not set it is negative
| n | length in bits |
Definition at line 629 of file bitstream.h.
Referenced by decode_dc(), decode_i_block(), dnxhd_decode_dc(), get_xbits_trace(), mjpeg_decode_dc(), mpeg4_decode_dc(), and mpeg4_decode_sprite_trajectory().
| static int get_sbits | ( | GetBitContext * | s, | |
| int | n | |||
| ) | [inline, static] |
Definition at line 641 of file bitstream.h.
Referenced by adpcm_decode_frame(), asv1_get_level(), dca_subframe_header(), dca_subsubframe(), decode_residuals(), decode_subframe(), decode_subframe_fixed(), decode_subframe_lpc(), dnxhd_decode_dct_block(), dv_decode_video_segment(), get_block(), get_transform_coeffs_ch(), h261_decode_block(), h263_decode_block(), h263_decode_picture_header(), mdec_decode_block_intra(), mpeg_decode_picture_display_extension(), readQuantSpectralCoeffs(), and seq_unpack_rle_block().
| static unsigned int get_bits | ( | GetBitContext * | s, | |
| int | n | |||
| ) | [inline, static] |
reads 1-17 bits.
Note, the alt bitstream reader can read up to 25 bits, but the libmpeg2 reader can't
Definition at line 655 of file bitstream.h.
Referenced by aac_sync(), ac3_parse_audio_block(), ac3_parse_header(), ac3_sync(), adpcm_decode_frame(), alac_decode_frame(), asv1_decode_block(), asv2_get_bits(), bastardized_rice_decompress(), bit_copy(), check_for_slice(), dca_parse_frame_header(), dca_subframe_footer(), dca_subframe_header(), dca_subsubframe(), decode_entry_point(), decode_envelope(), decode_exp_lsp(), decode_exp_vlc(), decode_exponents(), decode_ext_header(), decode_extradata(), decode_frame(), decode_gain_info(), decode_hrd_parameters(), decode_line(), decode_mb_b(), decode_mb_cavlc(), decode_mb_i(), decode_pic(), decode_picture_parameter_set(), decode_residual(), decode_residuals(), decode_run_2bit(), decode_run_8bit(), decode_sei(), decode_seq_header(), decode_seq_parameter_set(), decode_sequence_header(), decode_sequence_header_adv(), decode_slice_header(), decode_subframe(), decode_subframe_lpc(), decode_unregistered_user_data(), decode_user_data(), decode_vol_header(), decode_vop_header(), decode_vui_parameters(), decodeChannelSoundUnit(), decodeFrame(), decodeGainControl(), decodeSpectrum(), decodeTonalComponents(), decouple_info(), dnxhd_decode_dct_block(), dnxhd_decode_macroblock(), dv_decode_video_segment(), dvbsub_read_2bit_string(), dvbsub_read_4bit_string(), encode_picture_ls(), ff_ac3_parse_header(), ff_h263_decode_mba(), ff_jpegls_decode_lse(), ff_mjpeg_decode_dht(), ff_mjpeg_decode_dqt(), ff_mjpeg_decode_sof(), ff_mjpeg_decode_sos(), ff_mpeg4_decode_mb(), ff_mpeg4_decode_partitions(), ff_mpeg4_decode_picture_header(), ff_msmpeg4_decode_motion(), ff_wmv2_decode_picture_header(), flac_header(), flashsv_decode_frame(), flv_h263_decode_picture_header(), g726_decode_frame(), gb_get_v(), get_array(), get_bits1(), get_bits_long(), get_bits_trace(), get_bitsz(), get_block(), get_num(), get_qscale(), get_scale(), get_tail(), get_transform_coeffs_ch(), get_ue_code(), get_utf8(), h261_decode_block(), h261_decode_gob_header(), h261_decode_mb(), h261_decode_picture_header(), h263_decode_block(), h263_decode_dquant(), h263_decode_gob_header(), h263_decode_motion(), h263_decode_picture_header(), idx_to_quant(), imc_decode_frame(), imc_get_coeffs(), imc_read_level_coeffs(), intel_h263_decode_picture_header(), metadata_parse(), metadata_streaminfo(), mjpeg_decode_app(), mjpeg_decode_com(), mjpeg_decode_dri(), mono_decode(), mp_decode_layer1(), mp_decode_layer2(), mp_decode_layer3(), mpc7_decode_frame(), mpc7_decode_init(), mpc8_dec_base(), mpc8_decode_frame(), mpc8_decode_init(), mpc8_parse_seektable(), mpeg1_decode_picture(), mpeg1_decode_sequence(), mpeg4_decode_dc(), mpeg4_decode_gop_header(), mpeg4_decode_partition_a(), mpeg4_decode_partition_b(), mpeg4_decode_video_packet_header(), mpeg_decode_extension(), mpeg_decode_gop(), mpeg_decode_mb(), mpeg_decode_motion(), mpeg_decode_picture_coding_extension(), mpeg_decode_quant_matrix_extension(), mpeg_decode_sequence_display_extension(), mpeg_decode_sequence_extension(), msmpeg4_decode_dc(), msmpeg4_decode_ext_header(), msmpeg4_decode_picture_header(), msmpeg4v2_decode_motion(), nelly_decode_block(), parse_mb_skip(), process_subpacket_11(), qdm2_decode_fft_packets(), qdm2_decode_sub_packet_header(), qdm2_decode_super_block(), qdm2_fft_decode_tones(), qdm2_get_vlc(), read_huffman_tree(), read_len_table(), readQuantSpectralCoeffs(), rv10_decode_picture_header(), rv20_decode_picture_header(), rv_decode_dc(), seq_decode_op1(), seqvideo_decode(), shorten_decode_frame(), smacker_decode_header_tree(), smacker_decode_tree(), smka_decode_frame(), sonic_decode_init(), svq1_decode_frame(), svq1_decode_frame_header(), svq1_parse_string(), svq3_decode_frame(), svq3_decode_slice_header(), synthfilt_build_sb_samples(), theora_decode_header(), theora_decode_init(), theora_decode_tables(), theora_header(), tm2_build_huff_table(), tm2_read_deltas(), tm2_read_header(), tta_decode_frame(), tta_decode_init(), unpack_dct_coeffs(), unpack_modes(), unpack_superblocks(), unpack_vectors(), unpack_vlcs(), vc1_decode_ac_coeff(), vc1_decode_i_block(), vc1_decode_i_block_adv(), vc1_decode_init(), vc1_decode_intra_block(), vc1_parse_frame_header(), vc1_parse_frame_header_adv(), vop_dquant_decoding(), vorbis_decode_init(), vorbis_floor0_decode(), vorbis_floor1_decode(), vorbis_parse_audio_packet(), vorbis_parse_id_hdr(), vorbis_parse_setup_hdr(), vorbis_parse_setup_hdr_codebooks(), vorbis_parse_setup_hdr_floors(), vorbis_parse_setup_hdr_mappings(), vorbis_parse_setup_hdr_modes(), vorbis_parse_setup_hdr_residues(), vorbis_parse_setup_hdr_tdtransforms(), vp3_decode_frame(), vp6_get_nb_null(), vp6_parse_coeff_huffman(), wma_decode_block(), wma_decode_superframe(), wnv1_get_code(), wv_get_value(), x8_get_ac_rlf(), x8_get_dc_rlf(), x8_get_orient_vlc(), and x8_select_ac_table().
| static unsigned int show_bits | ( | GetBitContext * | s, | |
| int | n | |||
| ) | [inline, static] |
shows 1-17 bits.
Note, the alt bitstream reader can read up to 25 bits, but the libmpeg2 reader can't
Definition at line 669 of file bitstream.h.
Referenced by bastardized_rice_decompress(), decode_frame(), decode_sei(), decode_sequence_header(), decode_slice(), decode_subframe(), decode_user_data(), decode_vop_header(), ff_h261_resync(), ff_h263_decode_mb(), ff_h263_resync(), ff_mpeg4_decode_partitions(), ff_mpeg4_decode_picture_header(), flac_decode_frame(), get_se(), get_te(), get_ue(), get_vlc_trace(), get_xbits_trace(), h261_decode_block(), h261_decode_gob_header(), h263_decode_gob_header(), main(), mjpegb_decode_frame(), mpeg1_decode_sequence(), mpeg4_decode_partition_a(), mpeg4_is_resync(), mpeg_decode_slice(), rv10_decode_picture_header(), show_bits1(), show_bits_long(), svq3_decode_frame(), and svq3_decode_slice_header().
| static void skip_bits | ( | GetBitContext * | s, | |
| int | n | |||
| ) | [inline, static] |
Definition at line 678 of file bitstream.h.
Referenced by aac_sync(), ac3_parse_audio_block(), ac3_parse_header(), alac_decode_frame(), align_get_bits(), bastardized_rice_decompress(), decode_entry_point(), decode_frame(), decode_pic(), decode_sei(), decode_seq_header(), decode_sequence_header(), decode_sequence_header_adv(), decode_subframe(), decode_unregistered_user_data(), decode_vol_header(), decode_vop_header(), decode_wave_header(), ff_ac3_parse_header(), ff_h261_resync(), ff_h263_resync(), ff_jpegls_decode_picture(), ff_mjpeg_decode_sos(), ff_mpeg4_decode_partitions(), ff_mpeg4_decode_picture_header(), flac_decode_frame(), flac_header(), flashsv_decode_frame(), flv_h263_decode_picture_header(), h261_decode_block(), h261_decode_gob_header(), h261_decode_picture_header(), h263_decode_gob_header(), h263_decode_picture_header(), intel_h263_decode_picture_header(), ljpeg_decode_rgb_scan(), ljpeg_decode_yuv_scan(), metadata_parse(), metadata_streaminfo(), mjpeg_decode_app(), mjpeg_decode_scan(), mjpegb_decode_frame(), mp_decode_frame(), mpc7_decode_frame(), mpc7_decode_init(), mpc8_decode_frame(), mpc8_decode_init(), mpeg1_decode_sequence(), mpeg4_decode_video_packet_header(), mpeg4_is_resync(), mpeg_decode_picture_display_extension(), mpeg_decode_sequence_display_extension(), mpeg_decode_sequence_extension(), mpeg_decode_slice(), nelly_decode_block(), preview_obmc(), qdm2_decode_super_block(), rv_decode_dc(), shorten_decode_frame(), skip_bits1(), sonic_decode_init(), svq1_decode_frame_header(), svq3_decode_frame(), svq3_decode_slice_header(), theora_decode_header(), theora_decode_init(), theora_header(), tta_decode_frame(), tta_decode_init(), vc1_parse_frame_header(), vc1_parse_frame_header_adv(), vorbis_parse_setup_hdr_mappings(), vp3_decode_frame(), and wma_decode_superframe().
| static unsigned int get_bits1 | ( | GetBitContext * | s | ) | [inline, static] |
Definition at line 686 of file bitstream.h.
Referenced by ac3_parse_audio_block(), ac3_parse_header(), ac3_sync(), alac_decode_frame(), avs_decode_frame(), bitplane_decoding(), check_marker(), decode012(), decode210(), decode_colskip(), decode_entry_point(), decode_ext_header(), decode_frame(), decode_gain_info(), decode_header_trees(), decode_hrd_parameters(), decode_line(), decode_mb_cavlc(), decode_mb_i(), decode_mb_p(), decode_mv_component(), decode_pic(), decode_picture_parameter_set(), decode_ref_pic_list_reordering(), decode_ref_pic_marking(), decode_residual(), decode_rowskip(), decode_run_8bit(), decode_scaling_list(), decode_scaling_matrices(), decode_seq_header(), decode_seq_parameter_set(), decode_sequence_header(), decode_sequence_header_adv(), decode_slice_header(), decode_subframe(), decode_vol_header(), decode_vop_header(), decode_vui_parameters(), decodeFrame(), decodeSpectrum(), decodeTonalComponents(), decouple_info(), dv_decode_video_segment(), dvbsub_read_2bit_string(), dvbsub_read_4bit_string(), ff_ac3_parse_header(), ff_h263_decode_mb(), ff_intrax8_decode_picture(), ff_mpeg4_decode_mb(), ff_vorbis_len2vlc(), ff_wmv2_decode_mb(), ff_wmv2_decode_picture_header(), ff_wmv2_decode_secondary_picture_header(), flv_h263_decode_picture_header(), gb_get_v(), get_dmv(), get_tail(), get_te0_golomb(), get_te_golomb(), get_unary(), h261_decode_block(), h261_decode_gob_header(), h261_decode_picture_header(), h263_decode_block(), h263_decode_dquant(), h263_decode_gob_header(), h263_decode_motion(), h263_decode_picture_header(), h263p_decode_umotion(), huffman_decode(), idx_to_quant(), imc_decode_frame(), imc_get_skip_coeff(), init_tone_level_dequantization(), intel_h263_decode_picture_header(), ls_decode_line(), metadata_parse(), mp_decode_layer3(), mpc7_decode_frame(), mpc7_decode_init(), mpc8_dec_base(), mpc8_decode_frame(), mpc8_decode_init(), mpeg1_decode_picture(), mpeg1_decode_sequence(), mpeg4_decode_dc(), mpeg4_decode_partition_a(), mpeg4_decode_partition_b(), mpeg4_decode_video_packet_header(), mpeg4_is_resync(), mpeg_decode_gop(), mpeg_decode_mb(), mpeg_decode_motion(), mpeg_decode_picture_coding_extension(), mpeg_decode_quant_matrix_extension(), mpeg_decode_sequence_display_extension(), mpeg_decode_sequence_extension(), mpeg_decode_slice(), msmpeg4_decode_dc(), msmpeg4_decode_ext_header(), msmpeg4_decode_picture_header(), msmpeg4v12_decode_mb(), msmpeg4v2_decode_motion(), msmpeg4v34_decode_mb(), parse_mb_skip(), pred_weight_table(), preview_obmc(), qdm2_fft_decode_tones(), read_huffman_tree(), read_uint_max(), rv10_decode_picture_header(), rv20_decode_picture_header(), rv_decode_dc(), smacker_decode_bigtree(), smacker_decode_header_tree(), smacker_decode_tree(), smk_get_code(), smka_decode_frame(), sonic_decode_init(), svq1_decode_frame_header(), svq1_decode_motion_vector(), svq3_decode_frame(), svq3_decode_mb(), svq3_decode_slice_header(), synthfilt_build_sb_samples(), theora_decode_tables(), tm2_read_tree(), tta_get_unary(), unpack_SQVH(), unpack_superblocks(), unpack_vectors(), vc1_decode_ac_coeff(), vc1_decode_b_mb(), vc1_decode_i_block(), vc1_decode_i_block_adv(), vc1_decode_i_blocks(), vc1_decode_i_blocks_adv(), vc1_decode_intra_block(), vc1_decode_p_mb(), vc1_parse_frame_header(), vc1_parse_frame_header_adv(), vc1_pred_b_mv(), vc1_pred_mv(), vop_dquant_decoding(), vorbis_floor1_decode(), vorbis_parse_audio_packet(), vorbis_parse_id_hdr(), vorbis_parse_setup_hdr(), vorbis_parse_setup_hdr_codebooks(), vorbis_parse_setup_hdr_mappings(), vorbis_parse_setup_hdr_modes(), vorbis_parse_setup_hdr_residues(), vp3_decode_frame(), vp6_get_nb_null(), vp6_parse_coeff_huffman(), wma_decode_block(), wmv2_decode_motion(), wmv2_pred_motion(), wv_get_value(), x8_decode_intra_mb(), and x8_get_ac_rlf().
| static unsigned int show_bits1 | ( | GetBitContext * | s | ) | [inline, static] |
Definition at line 706 of file bitstream.h.
| static void skip_bits1 | ( | GetBitContext * | s | ) | [inline, static] |
Definition at line 710 of file bitstream.h.
Referenced by aac_sync(), ac3_parse_header(), decode_pic(), decode_seq_header(), decode_sequence_header_adv(), decode_vol_header(), decode_vop_header(), dnxhd_decode_macroblock(), ff_h263_decode_mb(), ff_h263_resync(), flv_h263_decode_picture_header(), h261_decode_picture_header(), h263_decode_picture_header(), intel_h263_decode_picture_header(), mpeg4_decode_gop_header(), mpeg4_decode_partition_a(), mpeg4_decode_sprite_trajectory(), mpeg_decode_gop(), mpeg_decode_mb(), mpeg_decode_sequence_extension(), preview_obmc(), smacker_decode_header_tree(), smka_decode_frame(), svq1_decode_frame_header(), svq3_decode_frame(), and svq3_decode_slice_header().
| static unsigned int get_bits_long | ( | GetBitContext * | s, | |
| int | n | |||
| ) | [inline, static] |
reads 0-32 bits.
Definition at line 717 of file bitstream.h.
Referenced by decode_vui_parameters(), ff_mpeg4_decode_partitions(), flac_header(), flv_h263_decode_picture_header(), get_le16(), get_le32(), intel_h263_decode_picture_header(), ls_decode_line(), metadata_parse(), metadata_streaminfo(), mjpegb_decode_frame(), rtp_parse_mp4_au(), shorten_decode_frame(), show_bits_long(), theora_decode_header(), theora_header(), tm2_build_huff_table(), tm2_read_deltas(), tm2_read_header(), tm2_read_tree(), tta_decode_init(), vorbis_parse_id_hdr(), and vorbis_parse_setup_hdr_codebooks().
| static unsigned int show_bits_long | ( | GetBitContext * | s, | |
| int | n | |||
| ) | [inline, static] |
shows 0-32 bits.
Definition at line 733 of file bitstream.h.
Referenced by check_for_slice(), decode_entry_point(), ff_ac3_parse_header(), ls_get_code_regular(), ls_get_code_runterm(), metadata_parse(), mpeg4_decode_partition_a(), and tta_decode_init().
| static int check_marker | ( | GetBitContext * | s, | |
| const char * | msg | |||
| ) | [inline, static] |
Definition at line 743 of file bitstream.h.
Referenced by decode_vol_header(), decode_vop_header(), and mpeg4_decode_video_packet_header().
| static void init_get_bits | ( | GetBitContext * | s, | |
| const uint8_t * | buffer, | |||
| int | bit_size | |||
| ) | [inline, static] |
init GetBitContext.
| buffer | bitstream buffer, must be FF_INPUT_BUFFER_PADDING_SIZE bytes larger then the actual read bits because some optimized bitstream readers read 32 or 64 bit at once and could read over the end | |
| bit_size | the size of the buffer in bits |
Definition at line 758 of file bitstream.h.
Referenced by aac_sync(), ac3_decode_frame(), ac3_sync(), adpcm_decode_frame(), alac_decode_frame(), av_mpeg4_decode_header(), avs_decode_frame(), cavs_decode_frame(), dca_decode_frame(), dca_parse_frame_header(), decode_bytes_and_gain(), decode_ext_header(), decode_extradata(), decode_frame(), decode_header_trees(), decode_i_frame(), decode_nal_units(), decode_p_frame(), decode_rle(), decode_wave_header(), decodeFrame(), dnxhd_decode_macroblocks(), dv_decode_video_segment(), dvbsub_read_2bit_string(), dvbsub_read_4bit_string(), encode_picture_ls(), ff_ac3_parse_header(), ff_h263_decode_frame(), ff_mjpeg_decode_init(), ff_vorbis_len2vlc(), flac_decode_frame(), flac_decode_init(), flac_header(), flashsv_decode_frame(), fraps2_decode_plane(), g726_decode_frame(), h261_decode_frame(), imc_decode_frame(), ir2_decode_frame(), loco_decode_plane(), main(), mjpegb_decode_frame(), mp_decode_frame(), mp_decode_layer3(), mpc7_decode_frame(), mpc7_decode_init(), mpc8_decode_frame(), mpc8_decode_init(), mpc8_parse_seektable(), mpeg1_decode_picture(), mpeg1_decode_sequence(), mpeg_decode_extension(), mpeg_decode_frame(), mpeg_decode_gop(), mpeg_decode_slice(), nelly_decode_block(), process_subpacket_10(), process_subpacket_11(), process_subpacket_12(), process_subpacket_9(), qdm2_decode_fft_packets(), qdm2_decode_super_block(), read_huffman_tables(), read_old_huffman_tables(), rtjpeg_decode_frame_yuv420(), rtp_parse_mp4_au(), rv10_decode_packet(), seq_decode_op1(), seq_unpack_rle_block(), seqvideo_decode(), shorten_decode_frame(), smka_decode_frame(), sonic_decode_frame(), sonic_decode_init(), sp5x_decode_frame(), svq1_decode_frame(), svq3_decode_frame(), theora_decode_init(), theora_header(), tm2_read_header(), tm2_read_stream(), tta_decode_frame(), tta_decode_init(), vc1_decode_frame(), vc1_decode_init(), vorbis_decode_frame(), vorbis_decode_init(), vp3_decode_frame(), vp6_parse_header(), wavpack_decode_frame(), and wma_decode_superframe().
| static void align_get_bits | ( | GetBitContext * | s | ) | [inline, static] |
Definition at line 783 of file bitstream.h.
Referenced by avs_decode_frame(), decode_frame(), decode_mb_cavlc(), decode_rle(), decode_sei(), decode_slice(), ff_h261_resync(), ff_h263_resync(), ff_jpegls_decode_picture(), ff_mpeg4_decode_picture_header(), h263_decode_picture_header(), ljpeg_decode_rgb_scan(), ljpeg_decode_yuv_scan(), mjpeg_decode_scan(), mp_decode_frame(), mpeg4_is_resync(), sonic_decode_frame(), and wma_decode_block().
| int init_vlc_sparse | ( | VLC * | vlc, | |
| int | nb_bits, | |||
| int | nb_codes, | |||
| const void * | bits, | |||
| int | bits_wrap, | |||
| int | bits_size, | |||
| const void * | codes, | |||
| int | codes_wrap, | |||
| int | codes_size, | |||
| const void * | symbols, | |||
| int | symbols_wrap, | |||
| int | symbols_size, | |||
| int | flags | |||
| ) |
Definition at line 261 of file bitstream.c.
Referenced by build_huff_tree(), generate_joint_tables(), and mpc8_decode_init().
| void free_vlc | ( | VLC * | vlc | ) |
Definition at line 303 of file bitstream.c.
Referenced by cook_decode_close(), decode_end(), dnxhd_decode_close(), dvvideo_init(), ff_mjpeg_decode_dht(), ff_wma_end(), fraps2_decode_plane(), generate_joint_tables(), read_huffman_tables(), read_old_huffman_tables(), smacker_decode_header_tree(), smka_decode_frame(), tm2_free_codes(), and vorbis_free().
| static av_always_inline int get_vlc2 | ( | GetBitContext * | s, | |
| VLC_TYPE(*) | table[2], | |||
| int | bits, | |||
| int | max_depth | |||
| ) | [static] |
parses a vlc code, faster then get_vlc()
| bits | is the number of bits which will be read at once, must be identical to nb_bits in init_vlc() | |
| max_depth | is the number of times bits bits must be read to completely read the longest vlc code = (max_vlc_length + bits - 1) / bits |
Definition at line 887 of file bitstream.h.
Referenced by asv1_decode_block(), asv1_get_level(), asv2_decode_block(), asv2_get_level(), bitplane_decoding(), decode_bgr_1(), decode_dc(), decode_envelope(), decode_exp_vlc(), decode_i_block(), decode_i_frame(), decode_mv_component(), decode_p_block(), decode_residual(), decouple_info(), dnxhd_decode_dc(), dnxhd_decode_dct_block(), ff_h263_decode_mb(), ff_mpeg4_decode_mb(), ff_msmpeg4_decode_motion(), ff_wmv2_decode_mb(), fraps2_decode_plane(), get_bitalloc(), get_vlc_trace(), h261_decode_block(), h261_decode_mb(), h263_decode_block(), h263_decode_motion(), huffman_decode(), idx_to_quant(), imc_read_level_coeffs(), ir2_get_code(), mjpeg_decode_dc(), mpc7_decode_frame(), mpc8_decode_frame(), mpeg4_decode_dc(), mpeg4_decode_partition_a(), mpeg4_decode_partition_b(), mpeg4_decode_sprite_trajectory(), mpeg_decode_mb(), mpeg_decode_motion(), mpeg_decode_slice(), msmpeg4_decode_dc(), msmpeg4v12_decode_mb(), msmpeg4v2_decode_motion(), msmpeg4v34_decode_mb(), preview_obmc(), qdm2_get_vlc(), readQuantSpectralCoeffs(), rv_decode_dc(), smacker_decode_bigtree(), smka_decode_frame(), svq1_decode_block_intra(), svq1_decode_block_non_intra(), svq1_decode_delta_block(), svq1_decode_motion_vector(), tm2_get_token(), unpack_modes(), unpack_SQVH(), unpack_superblocks(), unpack_vectors(), unpack_vlcs(), vc1_decode_ac_coeff(), vc1_decode_b_mb(), vc1_decode_i_block(), vc1_decode_i_block_adv(), vc1_decode_i_blocks(), vc1_decode_i_blocks_adv(), vc1_decode_intra_block(), vc1_decode_p_block(), vc1_decode_p_mb(), vc1_parse_frame_header(), vc1_parse_frame_header_adv(), vorbis_floor0_decode(), vorbis_floor1_decode(), vorbis_residue_decode(), vp6_parse_coeff_huffman(), wma_decode_block(), wnv1_get_code(), x8_get_ac_rlf(), x8_get_dc_rlf(), and x8_get_orient_vlc().
| static void print_bin | ( | int | bits, | |
| int | n | |||
| ) | [inline, static] |
Definition at line 904 of file bitstream.h.
Referenced by get_bits_trace(), get_level_prefix(), get_se(), get_te(), get_ue(), get_vlc_trace(), and get_xbits_trace().
| static int get_bits_trace | ( | GetBitContext * | s, | |
| int | n, | |||
| char * | file, | |||
| const char * | func, | |||
| int | line | |||
| ) | [inline, static] |
Definition at line 914 of file bitstream.h.
| static int get_vlc_trace | ( | GetBitContext * | s, | |
| VLC_TYPE(*) | table[2], | |||
| int | bits, | |||
| int | max_depth, | |||
| char * | file, | |||
| const char * | func, | |||
| int | line | |||
| ) | [inline, static] |
Definition at line 921 of file bitstream.h.
| static int get_xbits_trace | ( | GetBitContext * | s, | |
| int | n, | |||
| char * | file, | |||
| const char * | func, | |||
| int | line | |||
| ) | [inline, static] |
Definition at line 933 of file bitstream.h.
| static int decode012 | ( | GetBitContext * | gb | ) | [inline, static] |
Definition at line 954 of file bitstream.h.
Referenced by ff_wmv2_decode_mb(), ff_wmv2_decode_secondary_picture_header(), msmpeg4_decode_picture_header(), msmpeg4v34_decode_mb(), vc1_decode_b_mb(), vc1_decode_p_block(), vc1_parse_frame_header(), vc1_parse_frame_header_adv(), and wmv2_decode_inter_block().
| const uint8_t ff_reverse[256] |
Definition at line 41 of file libavcodec/utils.c.
Referenced by asv2_get_bits(), asv2_put_bits(), decode_frame(), encode_frame(), ir2_decode_frame(), pcm_decode_frame(), pcm_encode_frame(), and wnv1_get_code().
| int n |
Definition at line 213 of file bitstream.h.
1.5.5