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This structure describes optional metadata relevant to a downmix procedure. More...
#include <downmix_info.h>
Data Fields | |
| enum AVDownmixType | preferred_downmix_type |
| Type of downmix preferred by the mastering engineer. More... | |
| double | center_mix_level |
| Absolute scale factor representing the nominal level of the center channel during a regular downmix. More... | |
| double | center_mix_level_ltrt |
| Absolute scale factor representing the nominal level of the center channel during an Lt/Rt compatible downmix. More... | |
| double | surround_mix_level |
| Absolute scale factor representing the nominal level of the surround channels during a regular downmix. More... | |
| double | surround_mix_level_ltrt |
| Absolute scale factor representing the nominal level of the surround channels during an Lt/Rt compatible downmix. More... | |
| double | lfe_mix_level |
| Absolute scale factor representing the level at which the LFE data is mixed into L/R channels during downmixing. More... | |
This structure describes optional metadata relevant to a downmix procedure.
All fields are set by the decoder to the value indicated in the audio bitstream (if present), or to a "sane" default otherwise.
Definition at line 58 of file downmix_info.h.
| enum AVDownmixType AVDownmixInfo::preferred_downmix_type |
Type of downmix preferred by the mastering engineer.
Definition at line 62 of file downmix_info.h.
Referenced by ac3_decode_frame(), and dump_downmix().
| double AVDownmixInfo::center_mix_level |
Absolute scale factor representing the nominal level of the center channel during a regular downmix.
Definition at line 68 of file downmix_info.h.
Referenced by ac3_decode_frame(), and dump_downmix().
| double AVDownmixInfo::center_mix_level_ltrt |
Absolute scale factor representing the nominal level of the center channel during an Lt/Rt compatible downmix.
Definition at line 74 of file downmix_info.h.
Referenced by ac3_decode_frame(), and dump_downmix().
| double AVDownmixInfo::surround_mix_level |
Absolute scale factor representing the nominal level of the surround channels during a regular downmix.
Definition at line 80 of file downmix_info.h.
Referenced by ac3_decode_frame(), and dump_downmix().
| double AVDownmixInfo::surround_mix_level_ltrt |
Absolute scale factor representing the nominal level of the surround channels during an Lt/Rt compatible downmix.
Definition at line 86 of file downmix_info.h.
Referenced by ac3_decode_frame(), and dump_downmix().
| double AVDownmixInfo::lfe_mix_level |
Absolute scale factor representing the level at which the LFE data is mixed into L/R channels during downmixing.
Definition at line 92 of file downmix_info.h.
Referenced by ac3_decode_frame(), and dump_downmix().
1.8.6