diff options
Diffstat (limited to 'pjmedia/include/pjmedia-codec/config.h')
| -rw-r--r-- | pjmedia/include/pjmedia-codec/config.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/pjmedia/include/pjmedia-codec/config.h b/pjmedia/include/pjmedia-codec/config.h index 79322bb2..3dbb5c56 100644 --- a/pjmedia/include/pjmedia-codec/config.h +++ b/pjmedia/include/pjmedia-codec/config.h @@ -98,6 +98,40 @@ /** + * Default G.722 codec encoder and decoder level adjustment. The G.722 + * specifies that it uses 14 bit PCM for input and output, while PJMEDIA + * normally uses 16 bit PCM, so the conversion is done by applying + * level adjustment. If the value is non-zero, then PCM input samples to + * the encoder will be shifted right by this value, and similarly PCM + * output samples from the decoder will be shifted left by this value. + * + * This can be changed at run-time after initialization by calling + * #pjmedia_codec_g722_set_pcm_shift(). + * + * Default: 2. + */ +#ifndef PJMEDIA_G722_DEFAULT_PCM_SHIFT +# define PJMEDIA_G722_DEFAULT_PCM_SHIFT 2 +#endif + + +/** + * Specifies whether G.722 PCM shifting should be stopped when clipping + * detected in the decoder. Enabling this feature can be useful when + * talking to G.722 implementation that uses 16 bit PCM for G.722 input/ + * output (for any reason it seems to work) and the PCM shifting causes + * audio clipping. + * + * See also #PJMEDIA_G722_DEFAULT_PCM_SHIFT. + * + * Default: enabled. + */ +#ifndef PJMEDIA_G722_STOP_PCM_SHIFT_ON_CLIPPING +# define PJMEDIA_G722_STOP_PCM_SHIFT_ON_CLIPPING 1 +#endif + + +/** * Enable the features provided by Intel IPP libraries, for example * codecs such as G.729, G.723.1, G.726, G.728, G.722.1, and AMR. * |