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Diffstat (limited to 'libfaad2/structs.h')
| -rw-r--r-- | libfaad2/structs.h | 492 |
1 files changed, 0 insertions, 492 deletions
diff --git a/libfaad2/structs.h b/libfaad2/structs.h deleted file mode 100644 index 8f25298e70..0000000000 --- a/libfaad2/structs.h +++ /dev/null @@ -1,492 +0,0 @@ -/* -** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding -** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com -** -** This program is free software; you can redistribute it and/or modify -** it under the terms of the GNU General Public License as published by -** the Free Software Foundation; either version 2 of the License, or -** (at your option) any later version. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -** GNU General Public License for more details. -** -** You should have received a copy of the GNU General Public License -** along with this program; if not, write to the Free Software -** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -** -** Any non-GPL usage of this software or parts of this software is strictly -** forbidden. -** -** Commercial non-GPL licensing of this software is possible. -** For more info contact Ahead Software through Mpeg4AAClicense@nero.com. -** -** $Id: structs.h,v 1.42 2004/09/08 09:43:11 gcp Exp $ -**/ - -#ifndef __STRUCTS_H__ -#define __STRUCTS_H__ - -#ifdef __cplusplus -extern "C" { -#endif - -#include "cfft.h" -#ifdef SBR_DEC -#include "sbr_dec.h" -#endif - -#define MAX_CHANNELS 64 -#define MAX_SYNTAX_ELEMENTS 48 -#define MAX_WINDOW_GROUPS 8 -#define MAX_SFB 51 -#define MAX_LTP_SFB 40 -#define MAX_LTP_SFB_S 8 - -/* used to save the prediction state */ -typedef struct { - int16_t r[2]; - int16_t COR[2]; - int16_t VAR[2]; -} pred_state; - -typedef struct { - uint16_t N; - cfft_info *cfft; - complex_t *sincos; -#ifdef PROFILE - int64_t cycles; - int64_t fft_cycles; -#endif -} mdct_info; - -typedef struct -{ - const real_t *long_window[2]; - const real_t *short_window[2]; -#ifdef LD_DEC - const real_t *ld_window[2]; -#endif - - mdct_info *mdct256; -#ifdef LD_DEC - mdct_info *mdct1024; -#endif - mdct_info *mdct2048; -#ifdef PROFILE - int64_t cycles; -#endif -} fb_info; - -typedef struct -{ - uint8_t present; - - uint8_t num_bands; - uint8_t pce_instance_tag; - uint8_t excluded_chns_present; - uint8_t band_top[17]; - uint8_t prog_ref_level; - uint8_t dyn_rng_sgn[17]; - uint8_t dyn_rng_ctl[17]; - uint8_t exclude_mask[MAX_CHANNELS]; - uint8_t additional_excluded_chns[MAX_CHANNELS]; - - real_t ctrl1; - real_t ctrl2; -} drc_info; - -typedef struct -{ - uint8_t element_instance_tag; - uint8_t object_type; - uint8_t sf_index; - uint8_t num_front_channel_elements; - uint8_t num_side_channel_elements; - uint8_t num_back_channel_elements; - uint8_t num_lfe_channel_elements; - uint8_t num_assoc_data_elements; - uint8_t num_valid_cc_elements; - uint8_t mono_mixdown_present; - uint8_t mono_mixdown_element_number; - uint8_t stereo_mixdown_present; - uint8_t stereo_mixdown_element_number; - uint8_t matrix_mixdown_idx_present; - uint8_t pseudo_surround_enable; - uint8_t matrix_mixdown_idx; - uint8_t front_element_is_cpe[16]; - uint8_t front_element_tag_select[16]; - uint8_t side_element_is_cpe[16]; - uint8_t side_element_tag_select[16]; - uint8_t back_element_is_cpe[16]; - uint8_t back_element_tag_select[16]; - uint8_t lfe_element_tag_select[16]; - uint8_t assoc_data_element_tag_select[16]; - uint8_t cc_element_is_ind_sw[16]; - uint8_t valid_cc_element_tag_select[16]; - - uint8_t channels; - - uint8_t comment_field_bytes; - uint8_t comment_field_data[257]; - - /* extra added values */ - uint8_t num_front_channels; - uint8_t num_side_channels; - uint8_t num_back_channels; - uint8_t num_lfe_channels; - uint8_t sce_channel[16]; - uint8_t cpe_channel[16]; -} program_config; - -typedef struct -{ - uint16_t syncword; - uint8_t id; - uint8_t layer; - uint8_t protection_absent; - uint8_t profile; - uint8_t sf_index; - uint8_t private_bit; - uint8_t channel_configuration; - uint8_t original; - uint8_t home; - uint8_t emphasis; - uint8_t copyright_identification_bit; - uint8_t copyright_identification_start; - uint16_t aac_frame_length; - uint16_t adts_buffer_fullness; - uint8_t no_raw_data_blocks_in_frame; - uint16_t crc_check; - - /* control param */ - uint8_t old_format; -} adts_header; - -typedef struct -{ - uint8_t copyright_id_present; - int8_t copyright_id[10]; - uint8_t original_copy; - uint8_t home; - uint8_t bitstream_type; - uint32_t bitrate; - uint8_t num_program_config_elements; - uint32_t adif_buffer_fullness; - - /* maximum of 16 PCEs */ - program_config pce[16]; -} adif_header; - -#ifdef LTP_DEC -typedef struct -{ - uint8_t last_band; - uint8_t data_present; - uint16_t lag; - uint8_t lag_update; - uint8_t coef; - uint8_t long_used[MAX_SFB]; - uint8_t short_used[8]; - uint8_t short_lag_present[8]; - uint8_t short_lag[8]; -} ltp_info; -#endif - -#ifdef MAIN_DEC -typedef struct -{ - uint8_t limit; - uint8_t predictor_reset; - uint8_t predictor_reset_group_number; - uint8_t prediction_used[MAX_SFB]; -} pred_info; -#endif - -typedef struct -{ - uint8_t number_pulse; - uint8_t pulse_start_sfb; - uint8_t pulse_offset[4]; - uint8_t pulse_amp[4]; -} pulse_info; - -typedef struct -{ - uint8_t n_filt[8]; - uint8_t coef_res[8]; - uint8_t length[8][4]; - uint8_t order[8][4]; - uint8_t direction[8][4]; - uint8_t coef_compress[8][4]; - uint8_t coef[8][4][32]; -} tns_info; - -#ifdef SSR_DEC -typedef struct -{ - uint8_t max_band; - - uint8_t adjust_num[4][8]; - uint8_t alevcode[4][8][8]; - uint8_t aloccode[4][8][8]; -} ssr_info; -#endif - -typedef struct -{ - uint8_t max_sfb; - - uint8_t num_swb; - uint8_t num_window_groups; - uint8_t num_windows; - uint8_t window_sequence; - uint8_t window_group_length[8]; - uint8_t window_shape; - uint8_t scale_factor_grouping; - uint16_t sect_sfb_offset[8][15*8]; - uint16_t swb_offset[52]; - - uint8_t sect_cb[8][15*8]; - uint16_t sect_start[8][15*8]; - uint16_t sect_end[8][15*8]; - uint8_t sfb_cb[8][8*15]; - uint8_t num_sec[8]; /* number of sections in a group */ - - uint8_t global_gain; - int16_t scale_factors[8][51]; /* [0..255] */ - - uint8_t ms_mask_present; - uint8_t ms_used[MAX_WINDOW_GROUPS][MAX_SFB]; - - uint8_t noise_used; - - uint8_t pulse_data_present; - uint8_t tns_data_present; - uint8_t gain_control_data_present; - uint8_t predictor_data_present; - - pulse_info pul; - tns_info tns; -#ifdef MAIN_DEC - pred_info pred; -#endif -#ifdef LTP_DEC - ltp_info ltp; - ltp_info ltp2; -#endif -#ifdef SSR_DEC - ssr_info ssr; -#endif - -#ifdef ERROR_RESILIENCE - /* ER HCR data */ - uint16_t length_of_reordered_spectral_data; - uint8_t length_of_longest_codeword; - /* ER RLVC data */ - uint8_t sf_concealment; - uint8_t rev_global_gain; - uint16_t length_of_rvlc_sf; - uint16_t dpcm_noise_nrg; - uint8_t sf_escapes_present; - uint8_t length_of_rvlc_escapes; - uint16_t dpcm_noise_last_position; -#endif -} ic_stream; /* individual channel stream */ - -typedef struct -{ - uint8_t channel; - int16_t paired_channel; - - uint8_t element_instance_tag; - uint8_t common_window; - - ic_stream ics1; - ic_stream ics2; -} element; /* syntax element (SCE, CPE, LFE) */ - -typedef struct mp4AudioSpecificConfig -{ - /* Audio Specific Info */ - /*uint8_t*/ unsigned char objectTypeIndex; - /*uint8_t*/ unsigned char samplingFrequencyIndex; - /*uint32_t*/ unsigned long samplingFrequency; - /*uint8_t*/ unsigned char channelsConfiguration; - - /* GA Specific Info */ - /*uint8_t*/ unsigned char frameLengthFlag; - /*uint8_t*/ unsigned char dependsOnCoreCoder; - /*uint16_t*/ unsigned short coreCoderDelay; - /*uint8_t*/ unsigned char extensionFlag; - /*uint8_t*/ unsigned char aacSectionDataResilienceFlag; - /*uint8_t*/ unsigned char aacScalefactorDataResilienceFlag; - /*uint8_t*/ unsigned char aacSpectralDataResilienceFlag; - /*uint8_t*/ unsigned char epConfig; - - /*uint8_t*/ char sbr_present_flag; - /*uint8_t*/ char forceUpSampling; - /*uint8_t*/ char downSampledSBR; -} mp4AudioSpecificConfig; - -#define MAX_ASC_BYTES 64 -typedef struct { - int inited; - int version, versionA; - int framelen_type; - int useSameStreamMux; - int allStreamsSameTimeFraming; - int numSubFrames; - int numPrograms; - int numLayers; - int otherDataPresent; - uint32_t otherDataLenBits; - uint32_t frameLength; - uint8_t ASC[MAX_ASC_BYTES]; - uint32_t ASCbits; -} latm_header; - -typedef struct NeAACDecConfiguration -{ - /*uint8_t*/ unsigned char defObjectType; - /*uint32_t*/ unsigned long defSampleRate; - /*uint8_t*/ unsigned char outputFormat; - /*uint8_t*/ unsigned char downMatrix; - /*uint8_t*/ unsigned char useOldADTSFormat; - /*uint8_t*/ unsigned char dontUpSampleImplicitSBR; -} NeAACDecConfiguration, *NeAACDecConfigurationPtr; - -typedef struct NeAACDecFrameInfo -{ - /*uint32_t*/ unsigned long bytesconsumed; - /*uint32_t*/ unsigned long samples; - /*uint8_t*/ unsigned char channels; - /*uint8_t*/ unsigned char error; - /*uint32_t*/ unsigned long samplerate; - - /* SBR: 0: off, 1: on; normal, 2: on; downsampled */ - /*uint8_t*/ unsigned char sbr; - - /* MPEG-4 ObjectType */ - /*uint8_t*/ unsigned char object_type; - - /* AAC header type; MP4 will be signalled as RAW also */ - /*uint8_t*/ unsigned char header_type; - - /* multichannel configuration */ - /*uint8_t*/ unsigned char num_front_channels; - /*uint8_t*/ unsigned char num_side_channels; - /*uint8_t*/ unsigned char num_back_channels; - /*uint8_t*/ unsigned char num_lfe_channels; - /*uint8_t*/ unsigned char channel_position[MAX_CHANNELS]; - - /* PS: 0: off, 1: on */ - /*uint8_t*/ unsigned char ps; -} NeAACDecFrameInfo; - -typedef struct -{ - uint8_t adts_header_present; - uint8_t adif_header_present; - uint8_t latm_header_present; - uint8_t sf_index; - uint8_t object_type; - uint8_t channelConfiguration; -#ifdef ERROR_RESILIENCE - uint8_t aacSectionDataResilienceFlag; - uint8_t aacScalefactorDataResilienceFlag; - uint8_t aacSpectralDataResilienceFlag; -#endif - uint16_t frameLength; - uint8_t postSeekResetFlag; - - uint32_t frame; - - uint8_t downMatrix; - uint8_t upMatrix; - uint8_t first_syn_ele; - uint8_t has_lfe; - /* number of channels in current frame */ - uint8_t fr_channels; - /* number of elements in current frame */ - uint8_t fr_ch_ele; - - /* element_output_channels: - determines the number of channels the element will output - */ - uint8_t element_output_channels[MAX_SYNTAX_ELEMENTS]; - /* element_alloced: - determines whether the data needed for the element is allocated or not - */ - uint8_t element_alloced[MAX_SYNTAX_ELEMENTS]; - /* alloced_channels: - determines the number of channels where output data is allocated for - */ - uint8_t alloced_channels; - - /* output data buffer */ - void *sample_buffer; - - uint8_t window_shape_prev[MAX_CHANNELS]; -#ifdef LTP_DEC - uint16_t ltp_lag[MAX_CHANNELS]; -#endif - fb_info *fb; - drc_info *drc; - - real_t *time_out[MAX_CHANNELS]; - real_t *fb_intermed[MAX_CHANNELS]; - -#ifdef SBR_DEC - int8_t sbr_present_flag; - int8_t forceUpSampling; - int8_t downSampledSBR; - /* determines whether SBR data is allocated for the gives element */ - uint8_t sbr_alloced[MAX_SYNTAX_ELEMENTS]; - - sbr_info *sbr[MAX_SYNTAX_ELEMENTS]; -#endif -#if (defined(PS_DEC) || defined(DRM_PS)) - uint8_t ps_used[MAX_SYNTAX_ELEMENTS]; - uint8_t ps_used_global; -#endif - -#ifdef SSR_DEC - real_t *ssr_overlap[MAX_CHANNELS]; - real_t *prev_fmd[MAX_CHANNELS]; - real_t ipqf_buffer[MAX_CHANNELS][4][96/4]; -#endif - -#ifdef MAIN_DEC - pred_state *pred_stat[MAX_CHANNELS]; -#endif -#ifdef LTP_DEC - int16_t *lt_pred_stat[MAX_CHANNELS]; -#endif - - /* Program Config Element */ - uint8_t pce_set; - program_config pce; - uint8_t element_id[MAX_CHANNELS]; - uint8_t internal_channel[MAX_CHANNELS]; - - /* Configuration data */ - NeAACDecConfiguration config; - -#ifdef PROFILE - int64_t cycles; - int64_t spectral_cycles; - int64_t output_cycles; - int64_t scalefac_cycles; - int64_t requant_cycles; -#endif - latm_header latm_config; -} NeAACDecStruct, *NeAACDecHandle; - - - -#ifdef __cplusplus -} -#endif -#endif |