diff options
-rw-r--r-- | pjmedia/include/pjmedia/config.h | 10 | ||||
-rw-r--r-- | pjmedia/include/pjmedia/tonegen.h | 6 | ||||
-rw-r--r-- | pjmedia/src/pjmedia/tonegen.c | 4 |
3 files changed, 16 insertions, 4 deletions
diff --git a/pjmedia/include/pjmedia/config.h b/pjmedia/include/pjmedia/config.h index e592fcfb..1ba0f040 100644 --- a/pjmedia/include/pjmedia/config.h +++ b/pjmedia/include/pjmedia/config.h @@ -604,6 +604,16 @@ /** + * The default tone generator amplitude (1-32767). + * + * Default value: 12288 + */ +#ifndef PJMEDIA_TONEGEN_VOLUME +# define PJMEDIA_TONEGEN_VOLUME 12288 +#endif + + +/** * Enable support for SRTP media transport. This will require linking * with libsrtp from the third_party directory. * diff --git a/pjmedia/include/pjmedia/tonegen.h b/pjmedia/include/pjmedia/tonegen.h index 108e5f0e..655f23cd 100644 --- a/pjmedia/include/pjmedia/tonegen.h +++ b/pjmedia/include/pjmedia/tonegen.h @@ -63,7 +63,8 @@ typedef struct pjmedia_tone_desc short freq2; /**< Optional second frequency. */ short on_msec; /**< Playback ON duration, in miliseconds. */ short off_msec; /**< Playback OFF duration, ini miliseconds. */ - short volume; /**< Volume (1-16383), or 0 for default. */ + short volume; /**< Volume (1-32767), or 0 for default, which + PJMEDIA_TONEGEN_VOLUME will be used. */ } pjmedia_tone_desc; @@ -77,7 +78,8 @@ typedef struct pjmedia_tone_digit char digit; /**< The ASCI identification for the digit. */ short on_msec; /**< Playback ON duration, in miliseconds. */ short off_msec; /**< Playback OFF duration, ini miliseconds. */ - short volume; /**< Volume (1-16383), or 0 for default. */ + short volume; /**< Volume (1-32767), or 0 for default, which + PJMEDIA_TONEGEN_VOLUME will be used. */ } pjmedia_tone_digit; diff --git a/pjmedia/src/pjmedia/tonegen.c b/pjmedia/src/pjmedia/tonegen.c index 562195d5..60732500 100644 --- a/pjmedia/src/pjmedia/tonegen.c +++ b/pjmedia/src/pjmedia/tonegen.c @@ -30,7 +30,7 @@ #define DATA double /* amplitude */ -#define AMP 8192 +#define AMP PJMEDIA_TONEGEN_VOLUME #ifndef M_PI @@ -115,7 +115,7 @@ # define MAXI ((unsigned)0xFFFFFFFF) # define SIN approximate_sin3 # if 1 /* set this to 0 to disable volume adjustment */ -# define VOL(var,v) (((v) * var.vol) >> 16) +# define VOL(var,v) (((v) * var.vol) >> 15) # else # define VOL(var,v) (v) # endif |