|
FFmpeg
|
|
FFmpeg
|
#include <stdint.h>#include "libavutil/common.h"#include "libavutil/libm.h"#include "libavutil/samplefmt.h"#include "avresample.h"#include "internal.h"#include "audio_data.h"#include "audio_mix.h"Go to the source code of this file.
Macros | |
| #define | FRONT_LEFT 0 |
| #define | FRONT_RIGHT 1 |
| #define | FRONT_CENTER 2 |
| #define | LOW_FREQUENCY 3 |
| #define | BACK_LEFT 4 |
| #define | BACK_RIGHT 5 |
| #define | FRONT_LEFT_OF_CENTER 6 |
| #define | FRONT_RIGHT_OF_CENTER 7 |
| #define | BACK_CENTER 8 |
| #define | SIDE_LEFT 9 |
| #define | SIDE_RIGHT 10 |
| #define | TOP_CENTER 11 |
| #define | TOP_FRONT_LEFT 12 |
| #define | TOP_FRONT_CENTER 13 |
| #define | TOP_FRONT_RIGHT 14 |
| #define | TOP_BACK_LEFT 15 |
| #define | TOP_BACK_CENTER 16 |
| #define | TOP_BACK_RIGHT 17 |
| #define | STEREO_LEFT 29 |
| #define | STEREO_RIGHT 30 |
| #define | WIDE_LEFT 31 |
| #define | WIDE_RIGHT 32 |
| #define | SURROUND_DIRECT_LEFT 33 |
| #define | SURROUND_DIRECT_RIGHT 34 |
| #define | LOW_FREQUENCY_2 35 |
| #define | SQRT3_2 1.22474487139158904909 /* sqrt(3/2) */ |
Functions | |
| static av_always_inline int | even (uint64_t layout) |
| static int | sane_layout (uint64_t layout) |
| int | avresample_build_matrix (uint64_t in_layout, uint64_t out_layout, double center_mix_level, double surround_mix_level, double lfe_mix_level, int normalize, double *matrix_out, int stride, enum AVMatrixEncoding matrix_encoding) |
| Generate a channel mixing matrix. | |
| #define FRONT_LEFT 0 |
Definition at line 33 of file audio_mix_matrix.c.
Referenced by avresample_build_matrix().
| #define FRONT_RIGHT 1 |
Definition at line 34 of file audio_mix_matrix.c.
Referenced by avresample_build_matrix().
| #define FRONT_CENTER 2 |
Definition at line 35 of file audio_mix_matrix.c.
Referenced by avresample_build_matrix().
| #define LOW_FREQUENCY 3 |
Definition at line 36 of file audio_mix_matrix.c.
Referenced by avresample_build_matrix().
| #define BACK_LEFT 4 |
Definition at line 37 of file audio_mix_matrix.c.
Referenced by avresample_build_matrix().
| #define BACK_RIGHT 5 |
Definition at line 38 of file audio_mix_matrix.c.
Referenced by avresample_build_matrix().
| #define FRONT_LEFT_OF_CENTER 6 |
Definition at line 39 of file audio_mix_matrix.c.
Referenced by avresample_build_matrix().
| #define FRONT_RIGHT_OF_CENTER 7 |
Definition at line 40 of file audio_mix_matrix.c.
Referenced by avresample_build_matrix().
| #define BACK_CENTER 8 |
Definition at line 41 of file audio_mix_matrix.c.
Referenced by avresample_build_matrix().
| #define SIDE_LEFT 9 |
Definition at line 42 of file audio_mix_matrix.c.
Referenced by avresample_build_matrix().
| #define SIDE_RIGHT 10 |
Definition at line 43 of file audio_mix_matrix.c.
Referenced by avresample_build_matrix().
| #define TOP_CENTER 11 |
Definition at line 44 of file audio_mix_matrix.c.
| #define TOP_FRONT_LEFT 12 |
Definition at line 45 of file audio_mix_matrix.c.
| #define TOP_FRONT_CENTER 13 |
Definition at line 46 of file audio_mix_matrix.c.
| #define TOP_FRONT_RIGHT 14 |
Definition at line 47 of file audio_mix_matrix.c.
| #define TOP_BACK_LEFT 15 |
Definition at line 48 of file audio_mix_matrix.c.
| #define TOP_BACK_CENTER 16 |
Definition at line 49 of file audio_mix_matrix.c.
| #define TOP_BACK_RIGHT 17 |
Definition at line 50 of file audio_mix_matrix.c.
| #define STEREO_LEFT 29 |
Definition at line 51 of file audio_mix_matrix.c.
| #define STEREO_RIGHT 30 |
Definition at line 52 of file audio_mix_matrix.c.
| #define WIDE_LEFT 31 |
Definition at line 53 of file audio_mix_matrix.c.
| #define WIDE_RIGHT 32 |
Definition at line 54 of file audio_mix_matrix.c.
| #define SURROUND_DIRECT_LEFT 33 |
Definition at line 55 of file audio_mix_matrix.c.
| #define SURROUND_DIRECT_RIGHT 34 |
Definition at line 56 of file audio_mix_matrix.c.
| #define LOW_FREQUENCY_2 35 |
Definition at line 57 of file audio_mix_matrix.c.
| #define SQRT3_2 1.22474487139158904909 /* sqrt(3/2) */ |
Definition at line 59 of file audio_mix_matrix.c.
Referenced by auto_matrix(), and avresample_build_matrix().
|
static |
Definition at line 61 of file audio_mix_matrix.c.
Referenced by block_diffs(), and sane_layout().
|
static |
Definition at line 66 of file audio_mix_matrix.c.
Referenced by avresample_build_matrix().
1.8.2