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| AVClass * | av_class |
| | AVClass used for AVOption. More...
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| AC3EncOptions | options |
| | encoding options More...
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| AVCodecContext * | avctx |
| | parent AVCodecContext More...
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| AudioDSPContext | adsp |
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| AVFixedDSPContext * | fdsp |
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| MECmpContext | mecc |
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| AC3DSPContext | ac3dsp |
| | AC-3 optimized functions. More...
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| AVTXContext * | tx |
| | FFT context for MDCT calculation. More...
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| av_tx_fn | tx_fn |
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| AC3Block | blocks [AC3_MAX_BLOCKS] |
| | per-block info More...
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| int | fixed_point |
| | indicates if fixed-point encoder is being used More...
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| int | eac3 |
| | indicates if this is E-AC-3 vs. AC-3 More...
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| int | bitstream_id |
| | bitstream id (bsid) More...
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| int | bitstream_mode |
| | bitstream mode (bsmod) More...
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| int | bit_rate |
| | target bit rate, in bits-per-second More...
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| int | sample_rate |
| | sampling frequency, in Hz More...
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| int | num_blks_code |
| | number of blocks code (numblkscod) More...
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| int | num_blocks |
| | number of blocks per frame More...
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| int | frame_size_min |
| | minimum frame size in case rounding is necessary More...
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| int | frame_size |
| | current frame size in bytes More...
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| int | frame_size_code |
| | frame size code (frmsizecod) More...
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| uint16_t | crc_inv [2] |
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| int64_t | bits_written |
| | bit count (used to avg. bitrate) More...
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| int64_t | samples_written |
| | sample count (used to avg. bitrate) More...
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| int | fbw_channels |
| | number of full-bandwidth channels (nfchans) More...
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| int | channels |
| | total number of channels (nchans) More...
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| int | lfe_on |
| | indicates if there is an LFE channel (lfeon) More...
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| int | lfe_channel |
| | channel index of the LFE channel More...
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| int | has_center |
| | indicates if there is a center channel More...
|
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| int | has_surround |
| | indicates if there are one or more surround channels More...
|
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| int | channel_mode |
| | channel mode (acmod) More...
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| const uint8_t * | channel_map |
| | channel map used to reorder channels More...
|
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| int | center_mix_level |
| | center mix level code More...
|
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| int | surround_mix_level |
| | surround mix level code More...
|
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| int | ltrt_center_mix_level |
| | Lt/Rt center mix level code. More...
|
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| int | ltrt_surround_mix_level |
| | Lt/Rt surround mix level code. More...
|
| |
| int | loro_center_mix_level |
| | Lo/Ro center mix level code. More...
|
| |
| int | loro_surround_mix_level |
| | Lo/Ro surround mix level code. More...
|
| |
| int | cutoff |
| | user-specified cutoff frequency, in Hz More...
|
| |
| int | bandwidth_code |
| | bandwidth code (0 to 60) (chbwcod) More...
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| int | start_freq [AC3_MAX_CHANNELS] |
| | start frequency bin (strtmant) More...
|
| |
| int | cpl_end_freq |
| | coupling channel end frequency bin More...
|
| |
| int | cpl_on |
| | coupling turned on for this frame More...
|
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| int | cpl_enabled |
| | coupling enabled for all frames More...
|
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| int | num_cpl_subbands |
| | number of coupling subbands (ncplsubnd) More...
|
| |
| int | num_cpl_bands |
| | number of coupling bands (ncplbnd) More...
|
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| uint8_t | cpl_band_sizes [AC3_MAX_CPL_BANDS] |
| | number of coeffs in each coupling band More...
|
| |
| int | rematrixing_enabled |
| | stereo rematrixing enabled More...
|
| |
| int | slow_gain_code |
| | slow gain code (sgaincod) More...
|
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| int | slow_decay_code |
| | slow decay code (sdcycod) More...
|
| |
| int | fast_decay_code |
| | fast decay code (fdcycod) More...
|
| |
| int | db_per_bit_code |
| | dB/bit code (dbpbcod) More...
|
| |
| int | floor_code |
| | floor code (floorcod) More...
|
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| AC3BitAllocParameters | bit_alloc |
| | bit allocation parameters More...
|
| |
| int | coarse_snr_offset |
| | coarse SNR offsets (csnroffst) More...
|
| |
| int | fast_gain_code [AC3_MAX_CHANNELS] |
| | fast gain codes (signal-to-mask ratio) (fgaincod) More...
|
| |
| int | fine_snr_offset [AC3_MAX_CHANNELS] |
| | fine SNR offsets (fsnroffst) More...
|
| |
| int | frame_bits_fixed |
| | number of non-coefficient bits for fixed parameters More...
|
| |
| int | frame_bits |
| | all frame bits except exponents and mantissas More...
|
| |
| int | exponent_bits |
| | number of bits used for exponents More...
|
| |
| uint8_t * | planar_samples [AC3_MAX_CHANNELS - 1] |
| |
| uint8_t * | bap_buffer |
| |
| uint8_t * | bap1_buffer |
| |
| CoefType * | mdct_coef_buffer |
| |
| int32_t * | fixed_coef_buffer |
| |
| uint8_t * | exp_buffer |
| |
| uint8_t * | grouped_exp_buffer |
| |
| int16_t * | psd_buffer |
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| int16_t * | band_psd_buffer |
| |
| int16_t * | mask_buffer |
| |
| int16_t * | qmant_buffer |
| |
| uint8_t * | cpl_coord_buffer |
| |
| uint8_t | exp_strategy [AC3_MAX_CHANNELS][AC3_MAX_BLOCKS] |
| | exponent strategies More...
|
| |
| uint8_t | frame_exp_strategy [AC3_MAX_CHANNELS] |
| | frame exp strategy index More...
|
| |
| int | use_frame_exp_strategy |
| | indicates use of frame exp strategy More...
|
| |
| uint8_t | exp_ref_block [AC3_MAX_CHANNELS][AC3_MAX_BLOCKS] |
| | reference blocks for EXP_REUSE More...
|
| |
| uint8_t * | ref_bap [AC3_MAX_CHANNELS][AC3_MAX_BLOCKS] |
| | bit allocation pointers (bap) More...
|
| |
| int | ref_bap_set |
| | indicates if ref_bap pointers have been set More...
|
| |
| void(* | encode_frame )(struct AC3EncodeContext *s, uint8_t *const *samples) |
| | fixed vs. More...
|
| |
| void(* | output_frame_header )(struct AC3EncodeContext *s, struct PutBitContext *pb) |
| |
| union { |
| float mdct_window_float [AC3_BLOCK_SIZE] |
| |
| int32_t mdct_window_fixed [AC3_BLOCK_SIZE] |
| |
| }; | |
| |
| union { |
| float windowed_samples_float [AC3_WINDOW_SIZE] |
| |
| int32_t windowed_samples_fixed [AC3_WINDOW_SIZE] |
| |
| }; | |
| |
1.8.17