[asterisk-commits] file: trunk r108226 - in /trunk: include/asterisk/ main/
SVN commits to the Asterisk project
asterisk-commits at lists.digium.com
Wed Mar 12 16:06:50 CDT 2008
Author: file
Date: Wed Mar 12 16:06:50 2008
New Revision: 108226
URL: http://svn.digium.com/view/asterisk?view=rev&rev=108226
Log:
Doxygenify slinfactory a bit.
Modified:
trunk/include/asterisk/slinfactory.h
trunk/main/slinfactory.c
Modified: trunk/include/asterisk/slinfactory.h
URL: http://svn.digium.com/view/asterisk/trunk/include/asterisk/slinfactory.h?view=diff&rev=108226&r1=108225&r2=108226
==============================================================================
--- trunk/include/asterisk/slinfactory.h (original)
+++ trunk/include/asterisk/slinfactory.h Wed Mar 12 16:06:50 2008
@@ -29,33 +29,74 @@
#endif
struct ast_slinfactory {
- AST_LIST_HEAD_NOLOCK(, ast_frame) queue;
- struct ast_trans_pvt *trans;
- short hold[1280];
- short *offset;
- size_t holdlen; /*!< in samples */
- unsigned int size; /*!< in samples */
- unsigned int format;
+ AST_LIST_HEAD_NOLOCK(, ast_frame) queue; /*!< A list of unaltered frames */
+ struct ast_trans_pvt *trans; /*!< Translation path that converts fed frames into signed linear */
+ short hold[1280]; /*!< Hold for audio that no longer belongs to a frame (ie: if only some samples were taken from a frame) */
+ short *offset; /*!< Offset into the hold where audio begins */
+ size_t holdlen; /*!< Number of samples currently in the hold */
+ unsigned int size; /*!< Number of samples currently in the factory */
+ unsigned int format; /*!< Current format the translation path is converting from */
};
+/*!
+ * \brief Initialize an slinfactory
+ *
+ * \arg sf The slinfactory to initialize
+ *
+ * \return Nothing
+ */
void ast_slinfactory_init(struct ast_slinfactory *sf);
/*!
* \brief Destroy the contents of a slinfactory
*
- * \arg sf the slinfactory that is no longer needed
+ * \arg sf The slinfactory that is no longer needed
*
* This function will free any memory allocated for the contents of the
* slinfactory. It does not free the slinfactory itself. If the sf is
* malloc'd, then it must be explicitly free'd after calling this function.
*
- * \return nothing
+ * \return Nothing
*/
void ast_slinfactory_destroy(struct ast_slinfactory *sf);
+/*!
+ * \brief Feed audio into an slinfactory
+ *
+ * \arg sf The slinfactory to feed into
+ * \arg f Frame containing audio to feed in
+ *
+ * \return Number of frames currently in factory
+ */
int ast_slinfactory_feed(struct ast_slinfactory *sf, struct ast_frame *f);
+
+/*!
+ * \brief Read samples from an slinfactory
+ *
+ * \arg sf The slinfactory to read from
+ * \arg buf Buffer to put samples into
+ * \arg samples Number of samples wanted
+ *
+ * \return Number of samples read
+ */
int ast_slinfactory_read(struct ast_slinfactory *sf, short *buf, size_t samples);
+
+/*!
+ * \brief Retrieve number of samples currently in an slinfactory
+ *
+ * \arg sf The slinfactory to peek into
+ *
+ * \return Number of samples in slinfactory
+ */
unsigned int ast_slinfactory_available(const struct ast_slinfactory *sf);
+
+/*!
+ * \brief Flush the contents of an slinfactory
+ *
+ * \arg sf The slinfactory to flush
+ *
+ * \return Nothing
+ */
void ast_slinfactory_flush(struct ast_slinfactory *sf);
#if defined(__cplusplus) || defined(c_plusplus)
Modified: trunk/main/slinfactory.c
URL: http://svn.digium.com/view/asterisk/trunk/main/slinfactory.c?view=diff&rev=108226&r1=108225&r2=108226
==============================================================================
--- trunk/main/slinfactory.c (original)
+++ trunk/main/slinfactory.c Wed Mar 12 16:06:50 2008
@@ -32,12 +32,30 @@
#include "asterisk/slinfactory.h"
#include "asterisk/translate.h"
+/*!
+ * \brief Initialize an slinfactory
+ *
+ * \arg sf The slinfactory to initialize
+ *
+ * \return Nothing
+ */
void ast_slinfactory_init(struct ast_slinfactory *sf)
{
memset(sf, 0, sizeof(*sf));
sf->offset = sf->hold;
}
+/*!
+ * \brief Destroy the contents of a slinfactory
+ *
+ * \arg sf The slinfactory that is no longer needed
+ *
+ * This function will free any memory allocated for the contents of the
+ * slinfactory. It does not free the slinfactory itself. If the sf is
+ * malloc'd, then it must be explicitly free'd after calling this function.
+ *
+ * \return Nothing
+ */
void ast_slinfactory_destroy(struct ast_slinfactory *sf)
{
struct ast_frame *f;
@@ -51,6 +69,14 @@
ast_frfree(f);
}
+/*!
+ * \brief Feed audio into an slinfactory
+ *
+ * \arg sf The slinfactory to feed into
+ * \arg f Frame containing audio to feed in
+ *
+ * \return Number of frames currently in factory
+ */
int ast_slinfactory_feed(struct ast_slinfactory *sf, struct ast_frame *f)
{
struct ast_frame *begin_frame = f, *duped_frame = NULL, *frame_ptr;
@@ -99,6 +125,15 @@
return x;
}
+/*!
+ * \brief Read samples from an slinfactory
+ *
+ * \arg sf The slinfactory to read from
+ * \arg buf Buffer to put samples into
+ * \arg samples Number of samples wanted
+ *
+ * \return Number of samples read
+ */
int ast_slinfactory_read(struct ast_slinfactory *sf, short *buf, size_t samples)
{
struct ast_frame *frame_ptr;
@@ -150,11 +185,25 @@
return sofar;
}
+/*!
+ * \brief Retrieve number of samples currently in an slinfactory
+ *
+ * \arg sf The slinfactory to peek into
+ *
+ * \return Number of samples in slinfactory
+ */
unsigned int ast_slinfactory_available(const struct ast_slinfactory *sf)
{
return sf->size;
}
+/*!
+ * \brief Flush the contents of an slinfactory
+ *
+ * \arg sf The slinfactory to flush
+ *
+ * \return Nothing
+ */
void ast_slinfactory_flush(struct ast_slinfactory *sf)
{
struct ast_frame *fr = NULL;
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