diff --git a/include/asterisk/slinfactory.h b/include/asterisk/slinfactory.h index 386cf51bae..4d3e8eaf83 100644 --- a/include/asterisk/slinfactory.h +++ b/include/asterisk/slinfactory.h @@ -28,10 +28,12 @@ extern "C" { #endif +#define AST_SLINFACTORY_MAX_HOLD 1280 + struct ast_slinfactory { 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 hold[AST_SLINFACTORY_MAX_HOLD]; /*!< 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 */ diff --git a/main/slinfactory.c b/main/slinfactory.c index 6c1bdd6f9d..af70399e67 100644 --- a/main/slinfactory.c +++ b/main/slinfactory.c @@ -172,6 +172,9 @@ int ast_slinfactory_read(struct ast_slinfactory *sf, short *buf, size_t samples) memcpy(offset, frame_data, ineed * sizeof(*offset)); sofar += ineed; frame_data += ineed; + if (remain > (AST_SLINFACTORY_MAX_HOLD - sf->holdlen)) { + remain = AST_SLINFACTORY_MAX_HOLD - sf->holdlen; + } memcpy(sf->hold, frame_data, remain * sizeof(*offset)); sf->holdlen = remain; }