--- /dev/null
+
+#ifndef LAME_GLOBAL_FLAGS_H
+#define LAME_GLOBAL_FLAGS_H
+
+struct lame_internal_flags;
+typedef struct lame_internal_flags lame_internal_flags;
+
+
+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 {
+ /* input description */
+ unsigned long num_samples; /* number of samples. default=2^32-1 */
+ int num_channels; /* input number of channels. default=2 */
+ int in_samplerate; /* input_samp_rate in Hz. default=44.1 kHz */
+ int out_samplerate; /* 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 bWriteVbrTag; /* add Xing VBR tag? */
+ int decode_only; /* use lame/mpglib to convert mp3/ogg to wav */
+ int ogg; /* encode to Vorbis .ogg file */
+
+ int quality; /* quality setting 0=best, 9=worst default=5 */
+ MPEG_mode mode; /* see enum in lame.h
+ default = LAME picks best value */
+ int mode_fixed; /* ignored */
+ int mode_automs; /* use a m/s threshold based on compression
+ ratio */
+ int force_ms; /* force M/S mode. requires mode=1 */
+ int free_format; /* use free format? default=0 */
+
+ /*
+ * 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 error_protection; /* use 2 bytes per frame for a CRC
+ checksum. default=0 */
+ Padding_type padding_type; /* PAD_NO = no padding,
+ PAD_ALL = always pad,
+ PAD_ADJUST = adjust padding,
+ default=2 */
+ int extension; /* the MP3 'private extension' bit.
+ Meaningless */
+ int strict_ISO; /* enforce ISO spec as much as possible */
+
+ /* quantization/noise shaping */
+ int disable_reservoir; /* use bit reservoir? */
+ int experimentalX;
+ int experimentalY;
+ int experimentalZ;
+ int exp_nspsytune;
+
+ double newmsfix;
+ int preset_expopts;
+
+ /* VBR control */
+ vbr_mode VBR;
+ int VBR_q;
+ 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
+ */
+ int ATHonly; /* only use ATH */
+ int ATHshort; /* only use ATH for short blocks */
+ int noATH; /* disable ATH */
+ int ATHtype; /* select ATH formula */
+ float ATHlower; /* lower ATH by this many db */
+ int athaa_type; /* select ATH auto-adjust scheme */
+ int athaa_loudapprox; /* select ATH auto-adjust loudness calc */
+ float athaa_sensitivity; /* dB, tune active region of auto-level */
+ int cwlimit; /* predictability limit */
+ short_block_t short_blocks;
+/* int allow_diff_short; allow blocktypes to differ between
+ channels? */
+ int useTemporal; /* use temporal masking effect */
+/* int no_short_blocks; disable short blocks */
+ 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 */
+ 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 */
+
+
+ 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 version; /* 0=MPEG-2/2.5 1=MPEG-1 */
+ int encoder_delay;
+ int encoder_padding; /* number of samples of padding appended to input */
+ int framesize;
+ int frameNum; /* number of frames encoded */
+ int lame_allocated_gfp; /* is this struct owned by calling
+ program or lame? */
+
+
+
+ /****************************************************************************/
+ /* more internal variables, which will not exist after lame_encode_finish() */
+ /****************************************************************************/
+ lame_internal_flags *internal_flags;
+
+ /* VBR tags. This data is here because VBR header is writen after
+ * input file is closed and *internal_flags struct is free'd */
+ int TotalFrameSize;
+ //int* pVbrFrames;
+ int nVbrNumFrames;
+ int nVbrFrameBufferSize;
+
+
+} ;
+
+#endif /* LAME_GLOBAL_FLAGS_H */
git.asbjorn.biz / swftools.git / blobdiff