From: voipke <voipke@qq.com>
Date: Tue, 3 Nov 2020 00:32:58 +0000 (+0800)
Subject: [mod_unimrcp] Allow prosody-rate to be negative
X-Git-Tag: v1.10.6^2~88^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=refs%2Fpull%2F939%2Fhead;p=thirdparty%2Ffreeswitch.git

[mod_unimrcp] Allow prosody-rate to be negative
---

diff --git a/src/mod/asr_tts/mod_unimrcp/mod_unimrcp.c b/src/mod/asr_tts/mod_unimrcp/mod_unimrcp.c
index 990875b784..a89329f4b5 100644
--- a/src/mod/asr_tts/mod_unimrcp/mod_unimrcp.c
+++ b/src/mod/asr_tts/mod_unimrcp/mod_unimrcp.c
@@ -1312,7 +1312,7 @@ static switch_status_t synth_channel_set_header(speech_channel_t *schannel, int
 		break;
 
 	case SYNTHESIZER_HEADER_PROSODY_RATE:
-		if (switch_isdigit(*val) || *val == '.') {
+		if (switch_isdigit(*val) || *val == '.' || *val == '-') {
 			synth_hdr->prosody_param.rate.type = PROSODY_RATE_TYPE_RELATIVE_CHANGE;
 			synth_hdr->prosody_param.rate.value.relative = (float) atof(val);
 		} else if (!strcasecmp("x-slow", val)) {