mirror of
https://github.com/WinampDesktop/winamp.git
synced 2025-06-18 07:45:46 -04:00
Initial community commit
This commit is contained in:
Jef
@ -0,0 +1,184 @@
|
||||
#ifndef LAME_GLOBAL_FLAGS_H
|
||||
#define LAME_GLOBAL_FLAGS_H
|
||||
|
||||
#ifndef lame_internal_flags_defined
|
||||
#define lame_internal_flags_defined
|
||||
struct lame_internal_flags;
|
||||
typedef struct lame_internal_flags lame_internal_flags;
|
||||
#endif
|
||||
|
||||
|
||||
typedef enum short_block_e {
|
||||
short_block_not_set = -1, /* allow LAME to decide */
|
||||
short_block_allowed = 0, /* LAME may use them, even different block types for L/R */
|
||||
short_block_coupled, /* LAME may use them, but always same block types in L/R */
|
||||
short_block_dispensed, /* LAME will not use short blocks, long blocks only */
|
||||
short_block_forced /* LAME will not use long blocks, short blocks only */
|
||||
} short_block_t;
|
||||
|
||||
/***********************************************************************
|
||||
*
|
||||
* Control Parameters set by User. These parameters are here for
|
||||
* backwards compatibility with the old, non-shared lib API.
|
||||
* Please use the lame_set_variablename() functions below
|
||||
*
|
||||
*
|
||||
***********************************************************************/
|
||||
struct lame_global_struct {
|
||||
unsigned int class_id;
|
||||
|
||||
/* input description */
|
||||
unsigned long num_samples; /* number of samples. default=2^32-1 */
|
||||
int num_channels; /* input number of channels. default=2 */
|
||||
int samplerate_in; /* input_samp_rate in Hz. default=44.1 kHz */
|
||||
int samplerate_out; /* output_samp_rate.
|
||||
default: LAME picks best value
|
||||
at least not used for MP3 decoding:
|
||||
Remember 44.1 kHz MP3s and AC97 */
|
||||
float scale; /* scale input by this amount before encoding
|
||||
at least not used for MP3 decoding */
|
||||
float scale_left; /* scale input of channel 0 (left) by this
|
||||
amount before encoding */
|
||||
float scale_right; /* scale input of channel 1 (right) by this
|
||||
amount before encoding */
|
||||
|
||||
/* general control params */
|
||||
int analysis; /* collect data for a MP3 frame analyzer? */
|
||||
int write_lame_tag; /* add Xing VBR tag? */
|
||||
int decode_only; /* use lame/mpglib to convert mp3 to wav */
|
||||
int quality; /* quality setting 0=best, 9=worst default=5 */
|
||||
MPEG_mode mode; /* see enum in lame.h
|
||||
default = LAME picks best value */
|
||||
int force_ms; /* force M/S mode. requires mode=1 */
|
||||
int free_format; /* use free format? default=0 */
|
||||
int findReplayGain; /* find the RG value? default=0 */
|
||||
int decode_on_the_fly; /* decode on the fly? default=0 */
|
||||
int write_id3tag_automatic; /* 1 (default) writes ID3 tags, 0 not */
|
||||
|
||||
int nogap_total;
|
||||
int nogap_current;
|
||||
|
||||
int substep_shaping;
|
||||
int noise_shaping;
|
||||
int subblock_gain; /* 0 = no, 1 = yes */
|
||||
int use_best_huffman; /* 0 = no. 1=outside loop 2=inside loop(slow) */
|
||||
|
||||
/*
|
||||
* set either brate>0 or compression_ratio>0, LAME will compute
|
||||
* the value of the variable not set.
|
||||
* Default is compression_ratio = 11.025
|
||||
*/
|
||||
int brate; /* bitrate */
|
||||
float compression_ratio; /* sizeof(wav file)/sizeof(mp3 file) */
|
||||
|
||||
|
||||
/* frame params */
|
||||
int copyright; /* mark as copyright. default=0 */
|
||||
int original; /* mark as original. default=1 */
|
||||
int extension; /* the MP3 'private extension' bit.
|
||||
Meaningless */
|
||||
int emphasis; /* Input PCM is emphased PCM (for
|
||||
instance from one of the rarely
|
||||
emphased CDs), it is STRONGLY not
|
||||
recommended to use this, because
|
||||
psycho does not take it into account,
|
||||
and last but not least many decoders
|
||||
don't care about these bits */
|
||||
int error_protection; /* use 2 bytes per frame for a CRC
|
||||
checksum. default=0 */
|
||||
int strict_ISO; /* enforce ISO spec as much as possible */
|
||||
|
||||
int disable_reservoir; /* use bit reservoir? */
|
||||
|
||||
/* quantization/noise shaping */
|
||||
int quant_comp;
|
||||
int quant_comp_short;
|
||||
int experimentalY;
|
||||
int experimentalZ;
|
||||
int exp_nspsytune;
|
||||
|
||||
int preset;
|
||||
|
||||
/* VBR control */
|
||||
vbr_mode VBR;
|
||||
float VBR_q_frac; /* Range [0,...,1[ */
|
||||
int VBR_q; /* Range [0,...,9] */
|
||||
int VBR_mean_bitrate_kbps;
|
||||
int VBR_min_bitrate_kbps;
|
||||
int VBR_max_bitrate_kbps;
|
||||
int VBR_hard_min; /* strictly enforce VBR_min_bitrate
|
||||
normaly, it will be violated for analog
|
||||
silence */
|
||||
|
||||
|
||||
/* resampling and filtering */
|
||||
int lowpassfreq; /* freq in Hz. 0=lame choses.
|
||||
-1=no filter */
|
||||
int highpassfreq; /* freq in Hz. 0=lame choses.
|
||||
-1=no filter */
|
||||
int lowpasswidth; /* freq width of filter, in Hz
|
||||
(default=15%) */
|
||||
int highpasswidth; /* freq width of filter, in Hz
|
||||
(default=15%) */
|
||||
|
||||
|
||||
|
||||
/*
|
||||
* psycho acoustics and other arguments which you should not change
|
||||
* unless you know what you are doing
|
||||
*/
|
||||
float maskingadjust;
|
||||
float maskingadjust_short;
|
||||
int ATHonly; /* only use ATH */
|
||||
int ATHshort; /* only use ATH for short blocks */
|
||||
int noATH; /* disable ATH */
|
||||
int ATHtype; /* select ATH formula */
|
||||
float ATHcurve; /* change ATH formula 4 shape */
|
||||
float ATH_lower_db; /* lower ATH by this many db */
|
||||
int athaa_type; /* select ATH auto-adjust scheme */
|
||||
float athaa_sensitivity; /* dB, tune active region of auto-level */
|
||||
short_block_t short_blocks;
|
||||
int useTemporal; /* use temporal masking effect */
|
||||
float interChRatio;
|
||||
float msfix; /* Naoki's adjustment of Mid/Side maskings */
|
||||
|
||||
int tune; /* 0 off, 1 on */
|
||||
float tune_value_a; /* used to pass values for debugging and stuff */
|
||||
|
||||
float attackthre; /* attack threshold for L/R/M channel */
|
||||
float attackthre_s; /* attack threshold for S channel */
|
||||
|
||||
|
||||
struct {
|
||||
void (*msgf) (const char *format, va_list ap);
|
||||
void (*debugf) (const char *format, va_list ap);
|
||||
void (*errorf) (const char *format, va_list ap);
|
||||
} report;
|
||||
|
||||
/************************************************************************/
|
||||
/* internal variables, do not set... */
|
||||
/* provided because they may be of use to calling application */
|
||||
/************************************************************************/
|
||||
|
||||
int lame_allocated_gfp; /* is this struct owned by calling
|
||||
program or lame? */
|
||||
|
||||
|
||||
|
||||
/**************************************************************************/
|
||||
/* more internal variables are stored in this structure: */
|
||||
/**************************************************************************/
|
||||
lame_internal_flags *internal_flags;
|
||||
|
||||
|
||||
struct {
|
||||
int mmx;
|
||||
int amd3dnow;
|
||||
int sse;
|
||||
|
||||
} asm_optimizations;
|
||||
};
|
||||
|
||||
int is_lame_global_flags_valid(const lame_global_flags * gfp);
|
||||
|
||||
#endif /* LAME_GLOBAL_FLAGS_H */
|
||||
Reference in New Issue
Block a user