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Merge "app_confbridge: Update dsp_silence_threshold and dsp_talking_threshold docs." into 13

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Jenkins2
2018-02-01 11:38:26 -06:00
committed by Gerrit Code Review
parent 7debdd285c 4a337b1a76
commit 62d491527e
7 changed files with 151 additions and 110 deletions
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6
include/asterisk/bridge_technology.h
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@@ -46,11 +46,9 @@ enum ast_bridge_preference {
* performing talking optimizations.
*/
struct ast_bridge_tech_optimizations {
/*! The amount of time in ms that talking must be detected before
* the dsp determines that talking has occurred */
/*! Minimum average magnitude threshold to determine talking by the DSP. */
unsigned int talking_threshold;
/*! The amount of time in ms that silence must be detected before
* the dsp determines that talking has stopped */
/*! Time in ms of silence necessary to declare talking stopped by the bridge. */
unsigned int silence_threshold;
/*! Whether or not the bridging technology should drop audio
* detected as silence from the mix. */

38
include/asterisk/dsp.h
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@@ -87,7 +87,7 @@ void ast_dsp_free(struct ast_dsp *dsp);
* created with */
unsigned int ast_dsp_get_sample_rate(const struct ast_dsp *dsp);
/*! \brief Set threshold value for silence */
/*! \brief Set the minimum average magnitude threshold to determine talking by the DSP. */
void ast_dsp_set_threshold(struct ast_dsp *dsp, int threshold);
/*! \brief Set number of required cadences for busy */
@@ -106,19 +106,41 @@ int ast_dsp_set_call_progress_zone(struct ast_dsp *dsp, char *zone);
busies, and call progress, all dependent upon which features are enabled */
struct ast_frame *ast_dsp_process(struct ast_channel *chan, struct ast_dsp *dsp, struct ast_frame *inf);
/*! \brief Return non-zero if this is silence. Updates "totalsilence" with the total
number of seconds of silence */
/*!
* \brief Process the audio frame for silence.
*
* \param dsp DSP processing audio media.
* \param f Audio frame to process.
* \param totalsilence Variable to set to the total accumulated silence in ms
* seen by the DSP since the last noise.
*
* \return Non-zero if the frame is silence.
*/
int ast_dsp_silence(struct ast_dsp *dsp, struct ast_frame *f, int *totalsilence);
/*! \brief Return non-zero if this is silence. Updates "totalsilence" with the total
number of seconds of silence. Returns the average energy of the samples in the frame
in frames_energy variable. */
/*!
* \brief Process the audio frame for silence.
*
* \param dsp DSP processing audio media.
* \param f Audio frame to process.
* \param totalsilence Variable to set to the total accumulated silence in ms
* seen by the DSP since the last noise.
* \param frames_energy Variable to set to the average energy of the samples in the frame.
*
* \return Non-zero if the frame is silence.
*/
int ast_dsp_silence_with_energy(struct ast_dsp *dsp, struct ast_frame *f, int *totalsilence, int *frames_energy);
/*!
* \brief Return non-zero if this is noise. Updates "totalnoise" with the total
* number of seconds of noise
* \brief Process the audio frame for noise.
* \since 1.6.1
*
* \param dsp DSP processing audio media.
* \param f Audio frame to process.
* \param totalnoise Variable to set to the total accumulated noise in ms
* seen by the DSP since the last silence.
*
* \return Non-zero if the frame is silence.
*/
int ast_dsp_noise(struct ast_dsp *dsp, struct ast_frame *f, int *totalnoise);