Libav
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Data Fields | |
AVClass * | class |
class for AVOptions More... | |
AVCodecContext * | avctx |
int | frame_type |
type of the current frame More... | |
int | samples_deficit |
deficit sample count More... | |
int | crc_present |
crc is present in the bitstream More... | |
int | sample_blocks |
number of PCM sample blocks More... | |
int | frame_size |
primary frame byte size More... | |
int | amode |
audio channels arrangement More... | |
int | sample_rate |
audio sampling rate More... | |
int | bit_rate |
transmission bit rate More... | |
int | bit_rate_index |
transmission bit rate index More... | |
int | dynrange |
embedded dynamic range flag More... | |
int | timestamp |
embedded time stamp flag More... | |
int | aux_data |
auxiliary data flag More... | |
int | hdcd |
source material is mastered in HDCD More... | |
int | ext_descr |
extension audio descriptor flag More... | |
int | ext_coding |
extended coding flag More... | |
int | aspf |
audio sync word insertion flag More... | |
int | lfe |
low frequency effects flag More... | |
int | predictor_history |
predictor history flag More... | |
int | header_crc |
header crc check bytes More... | |
int | multirate_inter |
multirate interpolator switch More... | |
int | version |
encoder software revision More... | |
int | copy_history |
copy history More... | |
int | source_pcm_res |
source pcm resolution More... | |
int | front_sum |
front sum/difference flag More... | |
int | surround_sum |
surround sum/difference flag More... | |
int | dialog_norm |
dialog normalisation parameter More... | |
int | subframes |
number of subframes More... | |
int | total_channels |
number of channels including extensions More... | |
int | prim_channels |
number of primary audio channels More... | |
int | subband_activity [DCA_PRIM_CHANNELS_MAX] |
subband activity count More... | |
int | vq_start_subband [DCA_PRIM_CHANNELS_MAX] |
high frequency vq start subband More... | |
int | joint_intensity [DCA_PRIM_CHANNELS_MAX] |
joint intensity coding index More... | |
int | transient_huffman [DCA_PRIM_CHANNELS_MAX] |
transient mode code book More... | |
int | scalefactor_huffman [DCA_PRIM_CHANNELS_MAX] |
scale factor code book More... | |
int | bitalloc_huffman [DCA_PRIM_CHANNELS_MAX] |
bit allocation quantizer select More... | |
int | quant_index_huffman [DCA_PRIM_CHANNELS_MAX][DCA_ABITS_MAX] |
quantization index codebook select More... | |
float | scalefactor_adj [DCA_PRIM_CHANNELS_MAX][DCA_ABITS_MAX] |
scale factor adjustment More... | |
int | subsubframes [DCA_SUBFRAMES_MAX] |
number of subsubframes More... | |
int | partial_samples [DCA_SUBFRAMES_MAX] |
partial subsubframe samples count More... | |
int | prediction_mode [DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS] |
prediction mode (ADPCM used or not) More... | |
int | prediction_vq [DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS] |
prediction VQ coefs More... | |
int | bitalloc [DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS] |
bit allocation index More... | |
int | transition_mode [DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS] |
transition mode (transients) More... | |
int32_t | scale_factor [DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS][2] |
scale factors (2 if transient) More... | |
int | joint_huff [DCA_PRIM_CHANNELS_MAX] |
joint subband scale factors codebook More... | |
int | joint_scale_factor [DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS] |
joint subband scale factors More... | |
float | downmix_coef [DCA_PRIM_CHANNELS_MAX+1][2] |
stereo downmix coefficients More... | |
int | dynrange_coef |
dynamic range coefficient More... | |
uint8_t | core_downmix |
embedded downmix coefficients available More... | |
uint8_t | core_downmix_amode |
audio channel arrangement of embedded downmix More... | |
uint16_t | core_downmix_codes [DCA_PRIM_CHANNELS_MAX+1][4] |
embedded downmix coefficients (9-bit codes) More... | |
int32_t | high_freq_vq [DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS] |
VQ encoded high frequency subbands. More... | |
float | lfe_data [2 *DCA_LFE_MAX *(DCA_BLOCKS_MAX+4)] |
Low frequency effect data. More... | |
int | lfe_scale_factor |
float | subband_samples_hist [DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS][4] |
float | subband_fir_hist [DCA_PRIM_CHANNELS_MAX][512] |
float | subband_fir_noidea [DCA_PRIM_CHANNELS_MAX][32] |
int | hist_index [DCA_PRIM_CHANNELS_MAX] |
float | raXin [32] |
int | output |
type of output More... | |
float | subband_samples [DCA_BLOCKS_MAX][DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS][8] |
float * | samples_chanptr [DCA_PRIM_CHANNELS_MAX+1] |
float * | extra_channels [DCA_PRIM_CHANNELS_MAX+1] |
uint8_t * | extra_channels_buffer |
unsigned int | extra_channels_buffer_size |
uint8_t | dca_buffer [DCA_MAX_FRAME_SIZE+DCA_MAX_EXSS_HEADER_SIZE+DCA_BUFFER_PADDING_SIZE] |
int | dca_buffer_size |
how much data is in the dca_buffer More... | |
const int8_t * | channel_order_tab |
channel reordering table, lfe and non lfe More... | |
GetBitContext | gb |
int | current_subframe |
int | current_subsubframe |
int | core_ext_mask |
present extensions in the core substream More... | |
int | xch_present |
XCh extension present and valid. More... | |
int | xch_base_channel |
index of first (only) channel containing XCH data More... | |
int | xch_disable |
whether the XCh extension should be decoded or not More... | |
int | static_fields |
static fields present More... | |
int | mix_metadata |
mixing metadata present More... | |
int | num_mix_configs |
number of mix out configurations More... | |
int | mix_config_num_ch [4] |
number of channels in each mix out configuration More... | |
int | profile |
int | debug_flag |
used for suppressing repeated error messages output More... | |
AVFloatDSPContext | fdsp |
FFTContext | imdct |
SynthFilterContext | synth |
DCADSPContext | dcadsp |
FmtConvertContext | fmt_conv |
AVCodecContext* DCAContext::avctx |
Definition at line 289 of file dcadec.c.
Referenced by dca_decode_block(), dca_decode_frame(), dca_decode_init(), dca_exss_parse_asset_header(), dca_exss_parse_header(), dca_filter_channels(), dca_parse_audio_coding_header(), dca_parse_frame_header(), dca_subframe_footer(), dca_subframe_header(), and dca_subsubframe().
int DCAContext::frame_type |
type of the current frame
Definition at line 291 of file dcadec.c.
Referenced by dca_parse_frame_header().
int DCAContext::samples_deficit |
deficit sample count
Definition at line 292 of file dcadec.c.
Referenced by dca_parse_frame_header().
int DCAContext::crc_present |
crc is present in the bitstream
Definition at line 293 of file dcadec.c.
Referenced by dca_parse_audio_coding_header(), dca_parse_frame_header(), dca_subframe_footer(), and dca_subframe_header().
int DCAContext::sample_blocks |
number of PCM sample blocks
Definition at line 294 of file dcadec.c.
Referenced by dca_decode_frame(), and dca_parse_frame_header().
int DCAContext::frame_size |
primary frame byte size
Definition at line 295 of file dcadec.c.
Referenced by dca_decode_frame(), and dca_parse_frame_header().
int DCAContext::amode |
audio channels arrangement
Definition at line 296 of file dcadec.c.
Referenced by dca_decode_frame(), dca_filter_channels(), and dca_parse_frame_header().
int DCAContext::sample_rate |
audio sampling rate
Definition at line 297 of file dcadec.c.
Referenced by dca_decode_frame(), and dca_parse_frame_header().
int DCAContext::bit_rate |
transmission bit rate
Definition at line 298 of file dcadec.c.
Referenced by dca_decode_frame(), and dca_parse_frame_header().
int DCAContext::bit_rate_index |
transmission bit rate index
Definition at line 299 of file dcadec.c.
Referenced by dca_parse_frame_header(), and dca_subsubframe().
int DCAContext::dynrange |
embedded dynamic range flag
Definition at line 301 of file dcadec.c.
Referenced by dca_parse_frame_header(), dca_subframe_footer(), and dca_subframe_header().
int DCAContext::timestamp |
embedded time stamp flag
Definition at line 302 of file dcadec.c.
Referenced by dca_parse_frame_header(), and dca_subframe_footer().
int DCAContext::aux_data |
auxiliary data flag
Definition at line 303 of file dcadec.c.
Referenced by dca_parse_frame_header(), and dca_subframe_footer().
int DCAContext::hdcd |
source material is mastered in HDCD
Definition at line 304 of file dcadec.c.
Referenced by dca_parse_frame_header().
int DCAContext::ext_descr |
extension audio descriptor flag
Definition at line 305 of file dcadec.c.
Referenced by dca_decode_frame(), and dca_parse_frame_header().
int DCAContext::ext_coding |
extended coding flag
Definition at line 306 of file dcadec.c.
Referenced by dca_decode_frame(), and dca_parse_frame_header().
int DCAContext::aspf |
audio sync word insertion flag
Definition at line 307 of file dcadec.c.
Referenced by dca_parse_frame_header(), and dca_subsubframe().
int DCAContext::lfe |
low frequency effects flag
Definition at line 308 of file dcadec.c.
Referenced by dca_decode_frame(), dca_filter_channels(), dca_parse_frame_header(), dca_subframe_footer(), and dca_subframe_header().
int DCAContext::predictor_history |
predictor history flag
Definition at line 309 of file dcadec.c.
Referenced by dca_parse_frame_header(), and dca_subsubframe().
int DCAContext::header_crc |
header crc check bytes
Definition at line 310 of file dcadec.c.
Referenced by dca_parse_frame_header().
int DCAContext::multirate_inter |
multirate interpolator switch
Definition at line 311 of file dcadec.c.
Referenced by dca_parse_frame_header(), and qmf_32_subbands().
int DCAContext::version |
encoder software revision
Definition at line 312 of file dcadec.c.
Referenced by dca_parse_frame_header().
int DCAContext::copy_history |
int DCAContext::source_pcm_res |
source pcm resolution
Definition at line 314 of file dcadec.c.
Referenced by dca_decode_frame(), and dca_parse_frame_header().
int DCAContext::front_sum |
front sum/difference flag
Definition at line 315 of file dcadec.c.
Referenced by dca_parse_frame_header().
int DCAContext::surround_sum |
surround sum/difference flag
Definition at line 316 of file dcadec.c.
Referenced by dca_parse_frame_header().
int DCAContext::dialog_norm |
dialog normalisation parameter
Definition at line 317 of file dcadec.c.
Referenced by dca_parse_frame_header().
int DCAContext::subframes |
number of subframes
Definition at line 320 of file dcadec.c.
Referenced by dca_decode_block(), dca_parse_audio_coding_header(), and dca_parse_frame_header().
int DCAContext::total_channels |
number of channels including extensions
Definition at line 321 of file dcadec.c.
Referenced by dca_parse_audio_coding_header().
int DCAContext::prim_channels |
number of primary audio channels
Definition at line 322 of file dcadec.c.
Referenced by dca_decode_frame(), dca_filter_channels(), dca_parse_audio_coding_header(), dca_subframe_footer(), dca_subframe_header(), and dca_subsubframe().
int DCAContext::subband_activity[DCA_PRIM_CHANNELS_MAX] |
subband activity count
Definition at line 323 of file dcadec.c.
Referenced by dca_parse_audio_coding_header(), dca_subframe_header(), dca_subsubframe(), and qmf_32_subbands().
int DCAContext::vq_start_subband[DCA_PRIM_CHANNELS_MAX] |
high frequency vq start subband
Definition at line 324 of file dcadec.c.
Referenced by dca_parse_audio_coding_header(), dca_subframe_header(), and dca_subsubframe().
int DCAContext::joint_intensity[DCA_PRIM_CHANNELS_MAX] |
joint intensity coding index
Definition at line 325 of file dcadec.c.
Referenced by dca_parse_audio_coding_header(), and dca_subframe_header().
int DCAContext::transient_huffman[DCA_PRIM_CHANNELS_MAX] |
transient mode code book
Definition at line 326 of file dcadec.c.
Referenced by dca_parse_audio_coding_header(), and dca_subframe_header().
int DCAContext::scalefactor_huffman[DCA_PRIM_CHANNELS_MAX] |
scale factor code book
Definition at line 327 of file dcadec.c.
Referenced by dca_parse_audio_coding_header(), and dca_subframe_header().
int DCAContext::bitalloc_huffman[DCA_PRIM_CHANNELS_MAX] |
bit allocation quantizer select
Definition at line 328 of file dcadec.c.
Referenced by dca_parse_audio_coding_header(), and dca_subframe_header().
int DCAContext::quant_index_huffman[DCA_PRIM_CHANNELS_MAX][DCA_ABITS_MAX] |
quantization index codebook select
Definition at line 329 of file dcadec.c.
Referenced by dca_parse_audio_coding_header(), and dca_subsubframe().
float DCAContext::scalefactor_adj[DCA_PRIM_CHANNELS_MAX][DCA_ABITS_MAX] |
scale factor adjustment
Definition at line 330 of file dcadec.c.
Referenced by dca_parse_audio_coding_header(), and dca_subsubframe().
int DCAContext::subsubframes[DCA_SUBFRAMES_MAX] |
number of subsubframes
Definition at line 333 of file dcadec.c.
Referenced by dca_decode_block(), dca_subframe_header(), and dca_subsubframe().
int DCAContext::partial_samples[DCA_SUBFRAMES_MAX] |
partial subsubframe samples count
Definition at line 334 of file dcadec.c.
Referenced by dca_subframe_header().
int DCAContext::prediction_mode[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS] |
prediction mode (ADPCM used or not)
Definition at line 335 of file dcadec.c.
Referenced by dca_subframe_header(), and dca_subsubframe().
int DCAContext::prediction_vq[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS] |
prediction VQ coefs
Definition at line 336 of file dcadec.c.
Referenced by dca_subframe_header(), and dca_subsubframe().
int DCAContext::bitalloc[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS] |
bit allocation index
Definition at line 337 of file dcadec.c.
Referenced by dca_subframe_header(), and dca_subsubframe().
int DCAContext::transition_mode[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS] |
transition mode (transients)
Definition at line 338 of file dcadec.c.
Referenced by dca_subframe_header(), and dca_subsubframe().
int32_t DCAContext::scale_factor[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS][2] |
scale factors (2 if transient)
Definition at line 339 of file dcadec.c.
Referenced by dca_subframe_header(), and dca_subsubframe().
int DCAContext::joint_huff[DCA_PRIM_CHANNELS_MAX] |
joint subband scale factors codebook
Definition at line 340 of file dcadec.c.
Referenced by dca_subframe_header().
int DCAContext::joint_scale_factor[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS] |
joint subband scale factors
Definition at line 341 of file dcadec.c.
Referenced by dca_subframe_header().
float DCAContext::downmix_coef[DCA_PRIM_CHANNELS_MAX+1][2] |
stereo downmix coefficients
Definition at line 342 of file dcadec.c.
Referenced by dca_decode_frame(), and dca_filter_channels().
int DCAContext::dynrange_coef |
dynamic range coefficient
Definition at line 343 of file dcadec.c.
Referenced by dca_subframe_header().
uint8_t DCAContext::core_downmix |
embedded downmix coefficients available
Definition at line 348 of file dcadec.c.
Referenced by dca_decode_frame(), and dca_subframe_footer().
uint8_t DCAContext::core_downmix_amode |
audio channel arrangement of embedded downmix
Definition at line 349 of file dcadec.c.
Referenced by dca_decode_frame(), and dca_subframe_footer().
uint16_t DCAContext::core_downmix_codes[DCA_PRIM_CHANNELS_MAX+1][4] |
embedded downmix coefficients (9-bit codes)
Definition at line 350 of file dcadec.c.
Referenced by dca_decode_frame(), and dca_subframe_footer().
int32_t DCAContext::high_freq_vq[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS] |
VQ encoded high frequency subbands.
Definition at line 352 of file dcadec.c.
Referenced by dca_subframe_header(), and dca_subsubframe().
float DCAContext::lfe_data[2 *DCA_LFE_MAX *(DCA_BLOCKS_MAX+4)] |
Low frequency effect data.
Definition at line 354 of file dcadec.c.
Referenced by dca_decode_frame(), dca_filter_channels(), and dca_subframe_header().
int DCAContext::lfe_scale_factor |
Definition at line 355 of file dcadec.c.
Referenced by dca_subframe_header().
float DCAContext::subband_samples_hist[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS][4] |
Definition at line 358 of file dcadec.c.
Referenced by dca_subsubframe().
float DCAContext::subband_fir_hist[DCA_PRIM_CHANNELS_MAX][512] |
Definition at line 359 of file dcadec.c.
Referenced by qmf_32_subbands().
float DCAContext::subband_fir_noidea[DCA_PRIM_CHANNELS_MAX][32] |
Definition at line 360 of file dcadec.c.
Referenced by qmf_32_subbands().
int DCAContext::hist_index[DCA_PRIM_CHANNELS_MAX] |
Definition at line 361 of file dcadec.c.
Referenced by qmf_32_subbands().
float DCAContext::raXin[32] |
Definition at line 362 of file dcadec.c.
Referenced by qmf_32_subbands().
int DCAContext::output |
type of output
Definition at line 364 of file dcadec.c.
Referenced by dca_decode_frame(), and dca_parse_frame_header().
float DCAContext::subband_samples[DCA_BLOCKS_MAX][DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS][8] |
Definition at line 366 of file dcadec.c.
Referenced by dca_filter_channels(), and dca_subsubframe().
float* DCAContext::samples_chanptr[DCA_PRIM_CHANNELS_MAX+1] |
Definition at line 367 of file dcadec.c.
Referenced by dca_decode_frame(), and dca_filter_channels().
float* DCAContext::extra_channels[DCA_PRIM_CHANNELS_MAX+1] |
Definition at line 368 of file dcadec.c.
Referenced by dca_decode_frame().
uint8_t* DCAContext::extra_channels_buffer |
Definition at line 369 of file dcadec.c.
Referenced by dca_decode_end(), and dca_decode_frame().
unsigned int DCAContext::extra_channels_buffer_size |
Definition at line 370 of file dcadec.c.
Referenced by dca_decode_frame().
uint8_t DCAContext::dca_buffer[DCA_MAX_FRAME_SIZE+DCA_MAX_EXSS_HEADER_SIZE+DCA_BUFFER_PADDING_SIZE] |
Definition at line 372 of file dcadec.c.
Referenced by dca_decode_frame(), and dca_parse_frame_header().
int DCAContext::dca_buffer_size |
how much data is in the dca_buffer
Definition at line 373 of file dcadec.c.
Referenced by dca_decode_frame(), and dca_parse_frame_header().
const int8_t* DCAContext::channel_order_tab |
channel reordering table, lfe and non lfe
Definition at line 375 of file dcadec.c.
Referenced by dca_decode_frame(), and dca_filter_channels().
GetBitContext DCAContext::gb |
Definition at line 376 of file dcadec.c.
Referenced by dca_decode_frame(), dca_exss_parse_asset_header(), dca_exss_parse_header(), dca_parse_audio_coding_header(), dca_parse_frame_header(), dca_subframe_footer(), dca_subframe_header(), and dca_subsubframe().
int DCAContext::current_subframe |
Definition at line 378 of file dcadec.c.
Referenced by dca_decode_block(), dca_parse_audio_coding_header(), dca_subframe_header(), and dca_subsubframe().
int DCAContext::current_subsubframe |
Definition at line 379 of file dcadec.c.
Referenced by dca_decode_block(), dca_parse_audio_coding_header(), and dca_subsubframe().
int DCAContext::core_ext_mask |
present extensions in the core substream
Definition at line 381 of file dcadec.c.
Referenced by dca_decode_frame(), and dca_exss_parse_asset_header().
int DCAContext::xch_present |
XCh extension present and valid.
Definition at line 384 of file dcadec.c.
Referenced by dca_decode_frame().
int DCAContext::xch_base_channel |
index of first (only) channel containing XCH data
Definition at line 385 of file dcadec.c.
Referenced by dca_decode_frame().
int DCAContext::xch_disable |
whether the XCh extension should be decoded or not
Definition at line 386 of file dcadec.c.
Referenced by dca_decode_frame().
int DCAContext::static_fields |
static fields present
Definition at line 389 of file dcadec.c.
Referenced by dca_exss_parse_asset_header(), and dca_exss_parse_header().
int DCAContext::mix_metadata |
mixing metadata present
Definition at line 390 of file dcadec.c.
Referenced by dca_exss_parse_asset_header(), and dca_exss_parse_header().
int DCAContext::num_mix_configs |
number of mix out configurations
Definition at line 391 of file dcadec.c.
Referenced by dca_exss_parse_asset_header(), and dca_exss_parse_header().
int DCAContext::mix_config_num_ch[4] |
number of channels in each mix out configuration
Definition at line 392 of file dcadec.c.
Referenced by dca_exss_parse_asset_header(), and dca_exss_parse_header().
int DCAContext::profile |
Definition at line 394 of file dcadec.c.
Referenced by dca_decode_frame(), and dca_exss_parse_asset_header().
int DCAContext::debug_flag |
used for suppressing repeated error messages output
Definition at line 396 of file dcadec.c.
Referenced by dca_subframe_header(), and dca_subsubframe().
AVFloatDSPContext DCAContext::fdsp |
Definition at line 397 of file dcadec.c.
Referenced by dca_decode_frame(), and dca_decode_init().
FFTContext DCAContext::imdct |
Definition at line 398 of file dcadec.c.
Referenced by dca_decode_end(), dca_decode_init(), and qmf_32_subbands().
SynthFilterContext DCAContext::synth |
Definition at line 399 of file dcadec.c.
Referenced by dca_decode_init(), and qmf_32_subbands().
DCADSPContext DCAContext::dcadsp |
Definition at line 400 of file dcadec.c.
Referenced by dca_decode_init(), dca_subsubframe(), lfe_interpolation_fir(), and qmf_32_subbands().
FmtConvertContext DCAContext::fmt_conv |
Definition at line 401 of file dcadec.c.
Referenced by dca_decode_init(), and dca_subsubframe().