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FFmpeg
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Data Fields | |
| 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 | downmix |
| embedded downmix enabled 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... | |
| int | 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... | |
| int | downmix_coef [DCA_PRIM_CHANNELS_MAX][2] |
| stereo downmix coefficients More... | |
| int | dynrange_coef |
| dynamic range coefficient More... | |
| int | 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 |
| PutBitContext | pb |
| int32_t | history [MAX_CHANNELS][512] |
| int | start [MAX_CHANNELS] |
| int | lfe_channel |
| int | sample_rate_code |
| int | lfe_data [SUBFRAMES *SUBSUBFRAMES *4] |
| int | a_mode |
| audio channels arrangement More... | |
| int | num_channel |
| int | lfe_state |
| int | lfe_offset |
| const int8_t * | channel_order_tab |
| channel reordering table, lfe and non lfe More... | |
| int32_t | pcm [FFMAX(LFE_INTERPOLATION, DCA_SUBBANDS_32)] |
| int32_t | subband [PCM_SAMPLES][MAX_CHANNELS][DCA_SUBBANDS_32] |
Detailed Description
Field Documentation
| int DCAContext::a_mode |
| int DCAContext::amode |
audio channels arrangement
Definition at line 357 of file dcadec.c.
Referenced by dca_decode_frame(), dca_filter_channels(), dca_parse_frame_header(), and dca_subframe_header().
| int DCAContext::aspf |
audio sync word insertion flag
Definition at line 369 of file dcadec.c.
Referenced by dca_parse_frame_header(), dca_subsubframe(), and dca_xbr_parse_frame().
| int DCAContext::aux_data |
auxiliary data flag
Definition at line 365 of file dcadec.c.
Referenced by dca_parse_frame_header(), and dca_subframe_footer().
| AVCodecContext* DCAContext::avctx |
Definition at line 350 of file dcadec.c.
Referenced by dca_decode_block(), 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_header(), dca_subsubframe(), dca_xbr_parse_frame(), and dca_xxch_decode_frame().
| int DCAContext::bit_rate |
transmission bit rate
Definition at line 359 of file dcadec.c.
Referenced by 7digital-python.lockerEndpoint.Format::__init__(), dca_decode_frame(), and dca_parse_frame_header().
| int DCAContext::bit_rate_index |
transmission bit rate index
Definition at line 360 of file dcadec.c.
Referenced by dca_parse_frame_header(), and dca_subsubframe().
| int DCAContext::bitalloc[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS] |
bit allocation index
Definition at line 399 of file dcadec.c.
Referenced by dca_subframe_header(), and dca_subsubframe().
| int DCAContext::bitalloc_huffman[DCA_PRIM_CHANNELS_MAX] |
bit allocation quantizer select
Definition at line 390 of file dcadec.c.
Referenced by dca_parse_audio_coding_header(), and dca_subframe_header().
| const int8_t* DCAContext::channel_order_tab |
channel reordering table, lfe and non lfe
Definition at line 109 of file dcaenc.c.
Referenced by dca_decode_frame(), dca_filter_channels(), encode_frame(), and encode_init().
| int DCAContext::copy_history |
| int DCAContext::crc_present |
crc is present in the bitstream
Definition at line 354 of file dcadec.c.
Referenced by dca_parse_audio_coding_header(), dca_parse_frame_header(), dca_subframe_footer(), and dca_subframe_header().
| int DCAContext::dialog_norm |
dialog normalisation parameter
Definition at line 379 of file dcadec.c.
Referenced by dca_parse_frame_header().
| int DCAContext::downmix |
embedded downmix enabled
Definition at line 362 of file dcadec.c.
Referenced by dca_parse_frame_header(), dca_subframe_footer(), and dca_subframe_header().
| int DCAContext::downmix_coef[DCA_PRIM_CHANNELS_MAX][2] |
stereo downmix coefficients
Definition at line 404 of file dcadec.c.
Referenced by dca_filter_channels(), and dca_subframe_header().
| int DCAContext::dynrange |
embedded dynamic range flag
Definition at line 363 of file dcadec.c.
Referenced by dca_parse_frame_header(), dca_subframe_footer(), and dca_subframe_header().
| int DCAContext::dynrange_coef |
dynamic range coefficient
Definition at line 405 of file dcadec.c.
Referenced by dca_subframe_header().
| int DCAContext::ext_coding |
extended coding flag
Definition at line 368 of file dcadec.c.
Referenced by dca_decode_frame(), and dca_parse_frame_header().
| int DCAContext::ext_descr |
extension audio descriptor flag
Definition at line 367 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 356 of file dcadec.c.
Referenced by dca_decode_frame(), dca_parse_frame_header(), encode_frame(), put_frame(), and put_frame_header().
| int DCAContext::frame_type |
type of the current frame
Definition at line 352 of file dcadec.c.
Referenced by dca_parse_frame_header().
| int DCAContext::front_sum |
front sum/difference flag
Definition at line 377 of file dcadec.c.
Referenced by dca_parse_frame_header().
| int DCAContext::hdcd |
source material is mastered in HDCD
Definition at line 366 of file dcadec.c.
Referenced by dca_parse_frame_header().
| int DCAContext::header_crc |
header crc check bytes
Definition at line 372 of file dcadec.c.
Referenced by dca_parse_frame_header().
| int DCAContext::high_freq_vq[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS] |
VQ encoded high frequency subbands.
Definition at line 407 of file dcadec.c.
Referenced by dca_subframe_header(), and dca_subsubframe().
| int32_t DCAContext::history[MAX_CHANNELS][512] |
Definition at line 95 of file dcaenc.c.
Referenced by add_new_samples(), lfe_downsample(), and qmf_decompose().
| int DCAContext::joint_huff[DCA_PRIM_CHANNELS_MAX] |
joint subband scale factors codebook
Definition at line 402 of file dcadec.c.
Referenced by dca_subframe_header().
| int DCAContext::joint_intensity[DCA_PRIM_CHANNELS_MAX] |
joint intensity coding index
Definition at line 387 of file dcadec.c.
Referenced by dca_parse_audio_coding_header(), and dca_subframe_header().
| int DCAContext::joint_scale_factor[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS] |
joint subband scale factors
Definition at line 403 of file dcadec.c.
Referenced by dca_subframe_header().
| int DCAContext::lfe |
low frequency effects flag
Definition at line 370 of file dcadec.c.
Referenced by dca_decode_frame(), dca_filter_channels(), dca_parse_frame_header(), and dca_subframe_header().
| int DCAContext::lfe_channel |
Definition at line 99 of file dcaenc.c.
Referenced by encode_frame(), encode_init(), and put_subframe().
| int DCAContext::lfe_data[SUBFRAMES *SUBSUBFRAMES *4] |
| float DCAContext::lfe_data[2 *DCA_LFE_MAX *(DCA_BLOCKS_MAX+4)] |
Low frequency effect data.
Definition at line 409 of file dcadec.c.
Referenced by dca_decode_frame(), dca_filter_channels(), dca_subframe_header(), encode_frame(), and put_subframe().
| int DCAContext::lfe_offset |
Definition at line 108 of file dcaenc.c.
Referenced by encode_frame(), and encode_init().
| int DCAContext::lfe_scale_factor |
Definition at line 410 of file dcadec.c.
Referenced by dca_subframe_header(), and put_subframe().
| int DCAContext::lfe_state |
Definition at line 107 of file dcaenc.c.
Referenced by encode_init(), and put_frame_header().
| int DCAContext::multirate_inter |
multirate interpolator switch
Definition at line 373 of file dcadec.c.
Referenced by dca_parse_frame_header(), and qmf_32_subbands().
| int DCAContext::num_channel |
Definition at line 106 of file dcaenc.c.
Referenced by encode_init(), and put_frame_header().
| int DCAContext::partial_samples[DCA_SUBFRAMES_MAX] |
partial subsubframe samples count
Definition at line 396 of file dcadec.c.
Referenced by dca_subframe_header().
| PutBitContext DCAContext::pb |
Definition at line 94 of file dcaenc.c.
Referenced by put_frame(), put_frame_header(), put_primary_audio_header(), put_sample7(), and put_subframe().
| int32_t DCAContext::pcm[FFMAX(LFE_INTERPOLATION, DCA_SUBBANDS_32)] |
Definition at line 111 of file dcaenc.c.
Referenced by encode_frame().
| int DCAContext::prediction_mode[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS] |
prediction mode (ADPCM used or not)
Definition at line 397 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 398 of file dcadec.c.
Referenced by dca_subframe_header(), and dca_subsubframe().
| int DCAContext::predictor_history |
predictor history flag
Definition at line 371 of file dcadec.c.
Referenced by dca_parse_frame_header(), and dca_subsubframe().
| int DCAContext::prim_channels |
number of primary audio channels
Definition at line 384 of file dcadec.c.
Referenced by dca_decode_frame(), dca_filter_channels(), dca_parse_audio_coding_header(), dca_subframe_header(), dca_subsubframe(), dca_xbr_parse_frame(), dca_xxch_decode_frame(), encode_frame(), encode_init(), lfe_downsample(), put_primary_audio_header(), and put_subframe().
| int DCAContext::quant_index_huffman[DCA_PRIM_CHANNELS_MAX][DCA_ABITS_MAX] |
quantization index codebook select
Definition at line 391 of file dcadec.c.
Referenced by dca_parse_audio_coding_header(), and dca_subsubframe().
| int DCAContext::sample_blocks |
number of PCM sample blocks
Definition at line 355 of file dcadec.c.
Referenced by dca_decode_frame(), dca_parse_frame_header(), dca_xbr_parse_frame(), and dca_xxch_decode_frame().
| int DCAContext::sample_rate |
audio sampling rate
Definition at line 358 of file dcadec.c.
Referenced by dca_decode_frame(), and dca_parse_frame_header().
| int DCAContext::sample_rate_code |
Definition at line 100 of file dcaenc.c.
Referenced by encode_init(), and put_frame_header().
| int DCAContext::samples_deficit |
deficit sample count
Definition at line 353 of file dcadec.c.
Referenced by dca_parse_frame_header().
| int DCAContext::scale_factor |
scale factors (2 if transient)
Definition at line 401 of file dcadec.c.
Referenced by dca_subframe_header(), dca_subsubframe(), and put_subframe().
| float DCAContext::scalefactor_adj[DCA_PRIM_CHANNELS_MAX][DCA_ABITS_MAX] |
scale factor adjustment
Definition at line 392 of file dcadec.c.
Referenced by dca_parse_audio_coding_header(), and dca_subsubframe().
| int DCAContext::scalefactor_huffman[DCA_PRIM_CHANNELS_MAX] |
scale factor code book
Definition at line 389 of file dcadec.c.
Referenced by dca_parse_audio_coding_header(), dca_subframe_header(), and dca_xbr_parse_frame().
| int DCAContext::source_pcm_res |
source pcm resolution
Definition at line 376 of file dcadec.c.
Referenced by dca_decode_frame(), and dca_parse_frame_header().
| int DCAContext::start[MAX_CHANNELS] |
Definition at line 96 of file dcaenc.c.
Referenced by add_new_samples(), lfe_downsample(), and qmf_decompose().
| int32_t DCAContext::subband[PCM_SAMPLES][MAX_CHANNELS][DCA_SUBBANDS_32] |
Definition at line 112 of file dcaenc.c.
Referenced by encode_frame().
| int DCAContext::subband_activity[DCA_PRIM_CHANNELS_MAX] |
subband activity count
Definition at line 385 of file dcadec.c.
Referenced by dca_parse_audio_coding_header(), dca_subframe_header(), and qmf_32_subbands().
| int DCAContext::subframes |
number of subframes
Definition at line 382 of file dcadec.c.
Referenced by dca_decode_block(), dca_parse_audio_coding_header(), and dca_parse_frame_header().
| int DCAContext::subsubframes[DCA_SUBFRAMES_MAX] |
number of subsubframes
Definition at line 395 of file dcadec.c.
Referenced by dca_decode_block(), dca_subframe_header(), dca_subsubframe(), and dca_xbr_parse_frame().
| int DCAContext::surround_sum |
surround sum/difference flag
Definition at line 378 of file dcadec.c.
Referenced by dca_parse_frame_header().
| int DCAContext::timestamp |
embedded time stamp flag
Definition at line 364 of file dcadec.c.
Referenced by dca_parse_frame_header(), and dca_subframe_footer().
| int DCAContext::total_channels |
number of channels including extensions
Definition at line 383 of file dcadec.c.
Referenced by dca_parse_audio_coding_header().
| int DCAContext::transient_huffman[DCA_PRIM_CHANNELS_MAX] |
transient mode code book
Definition at line 388 of file dcadec.c.
Referenced by dca_parse_audio_coding_header(), and dca_subframe_header().
| int DCAContext::transition_mode[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS] |
transition mode (transients)
Definition at line 400 of file dcadec.c.
Referenced by dca_subframe_header(), dca_subsubframe(), and dca_xbr_parse_frame().
| int DCAContext::version |
encoder software revision
Definition at line 374 of file dcadec.c.
Referenced by 7digital-python.lockerEndpoint.Track::__init__(), 7digital-python.lib.oauth.OAuthServer::_get_version(), and dca_parse_frame_header().
| int DCAContext::vq_start_subband[DCA_PRIM_CHANNELS_MAX] |
high frequency vq start subband
Definition at line 386 of file dcadec.c.
Referenced by dca_parse_audio_coding_header(), dca_subframe_header(), and dca_subsubframe().
The documentation for this struct was generated from the following files:
Generated on Sat May 4 2024 06:51:49 for FFmpeg by
1.8.11