FFmpeg
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E-AC-3 encoder. More...
#include "libavutil/attributes.h"
#include "ac3enc.h"
#include "eac3enc.h"
#include "eac3_data.h"
#include "ac3enc_opts_template.c"
Go to the source code of this file.
Macros | |
#define | CONFIG_AC3ENC_FLOAT 1 |
#define | AC3ENC_TYPE AC3ENC_TYPE_EAC3 |
Functions | |
av_cold void | ff_eac3_exponent_init (void) |
Initialize E-AC-3 exponent tables. | |
void | ff_eac3_get_frame_exp_strategy (AC3EncodeContext *s) |
Determine frame exponent strategy use and indices. | |
void | ff_eac3_set_cpl_states (AC3EncodeContext *s) |
Set coupling states. | |
void | ff_eac3_output_frame_header (AC3EncodeContext *s) |
Write the E-AC-3 frame header to the output bitstream. | |
Variables | |
static const AVClass | eac3enc_class |
static int8_t | eac3_frame_expstr_index_tab [3][4][4][4][4][4] |
LUT for finding a matching frame exponent strategy index from a set of exponent strategies for a single channel across all 6 blocks. | |
AVCodec | ff_eac3_encoder |
E-AC-3 encoder.
Definition in file eac3enc.c.
#define AC3ENC_TYPE AC3ENC_TYPE_EAC3 |
Initialize E-AC-3 exponent tables.
Definition at line 52 of file eac3enc.c.
Referenced by exponent_init().
void ff_eac3_get_frame_exp_strategy | ( | AC3EncodeContext * | s | ) |
Determine frame exponent strategy use and indices.
Definition at line 68 of file eac3enc.c.
Referenced by compute_exp_strategy().
void ff_eac3_set_cpl_states | ( | AC3EncodeContext * | s | ) |
Set coupling states.
This determines whether certain flags must be written to the bitstream or whether they will be implicitly already known by the decoder.
Definition at line 95 of file eac3enc.c.
Referenced by apply_channel_coupling().
void ff_eac3_output_frame_header | ( | AC3EncodeContext * | s | ) |
Write the E-AC-3 frame header to the output bitstream.
Definition at line 128 of file eac3enc.c.
Referenced by ff_ac3_encode_init().
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LUT for finding a matching frame exponent strategy index from a set of exponent strategies for a single channel across all 6 blocks.
Definition at line 49 of file eac3enc.c.
Referenced by ff_eac3_exponent_init(), and ff_eac3_get_frame_exp_strategy().
AVCodec ff_eac3_encoder |