* #27232: jni: added pjproject checkout as regular git content

We will remove it once the next release of pjsip (with Android support)
comes out and is merged into SFLphone.
diff --git a/jni/pjproject-android/pjmedia/src/pjmedia-codec/amr_sdp_match.c b/jni/pjproject-android/pjmedia/src/pjmedia-codec/amr_sdp_match.c
new file mode 100644
index 0000000..44b104b
--- /dev/null
+++ b/jni/pjproject-android/pjmedia/src/pjmedia-codec/amr_sdp_match.c
@@ -0,0 +1,176 @@
+/* $Id: amr_sdp_match.c 3911 2011-12-15 06:45:23Z nanang $ */
+/* 
+ * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
+ * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
+ */
+#include <pjmedia-codec/amr_sdp_match.h>
+#include <pjmedia/errno.h>
+#include <pj/pool.h>
+#include <pj/string.h>
+
+
+#define GET_FMTP_IVAL_BASE(ival, base, fmtp, param, default_val) \
+    do { \
+	pj_str_t s; \
+	char *p; \
+	p = pj_stristr(&fmtp.fmt_param, &param); \
+	if (!p) { \
+	    ival = default_val; \
+	    break; \
+	} \
+	pj_strset(&s, p + param.slen, fmtp.fmt_param.slen - \
+		  (p - fmtp.fmt_param.ptr) - param.slen); \
+	ival = pj_strtoul2(&s, NULL, base); \
+    } while (0)
+
+#define GET_FMTP_IVAL(ival, fmtp, param, default_val) \
+	GET_FMTP_IVAL_BASE(ival, 10, fmtp, param, default_val)
+
+
+/* Toggle AMR octet-align setting in the fmtp. */
+static pj_status_t amr_toggle_octet_align(pj_pool_t *pool,
+					  pjmedia_sdp_media *media,
+					  unsigned fmt_idx)
+{
+    pjmedia_sdp_attr *attr;
+    pjmedia_sdp_fmtp fmtp;
+    const pj_str_t STR_OCTET_ALIGN = {"octet-align=", 12};
+    
+    enum { MAX_FMTP_STR_LEN = 160 };
+
+    attr = pjmedia_sdp_media_find_attr2(media, "fmtp", 
+					&media->desc.fmt[fmt_idx]);
+    /* Check if the AMR media format has FMTP attribute */
+    if (attr) {
+	char *p;
+	pj_status_t status;
+
+	status = pjmedia_sdp_attr_get_fmtp(attr, &fmtp);
+	if (status != PJ_SUCCESS)
+	    return status;
+
+	/* Check if the fmtp has octet-align field. */
+	p = pj_stristr(&fmtp.fmt_param, &STR_OCTET_ALIGN);
+	if (p) {
+	    /* It has, just toggle the value */
+	    unsigned octet_align;
+	    pj_str_t s;
+
+	    pj_strset(&s, p + STR_OCTET_ALIGN.slen, fmtp.fmt_param.slen -
+		      (p - fmtp.fmt_param.ptr) - STR_OCTET_ALIGN.slen);
+	    octet_align = pj_strtoul(&s);
+	    *(p + STR_OCTET_ALIGN.slen) = (char)(octet_align? '0' : '1');
+	} else {
+	    /* It doesn't, append octet-align field */
+	    char buf[MAX_FMTP_STR_LEN];
+
+	    pj_ansi_snprintf(buf, MAX_FMTP_STR_LEN, "%.*s;octet-align=1",
+			     (int)fmtp.fmt_param.slen, fmtp.fmt_param.ptr);
+	    attr->value = pj_strdup3(pool, buf);
+	}
+    } else {
+	/* Add new attribute for the AMR media format with octet-align 
+	 * field set.
+	 */
+	char buf[MAX_FMTP_STR_LEN];
+
+	attr = PJ_POOL_ZALLOC_T(pool, pjmedia_sdp_attr);
+	attr->name = pj_str("fmtp");
+	pj_ansi_snprintf(buf, MAX_FMTP_STR_LEN, "%.*s octet-align=1",
+			 (int)media->desc.fmt[fmt_idx].slen,
+		         media->desc.fmt[fmt_idx].ptr);
+	attr->value = pj_strdup3(pool, buf);
+	media->attr[media->attr_count++] = attr;
+    }
+
+    return PJ_SUCCESS;
+}
+
+
+PJ_DEF(pj_status_t) pjmedia_codec_amr_match_sdp( pj_pool_t *pool,
+						 pjmedia_sdp_media *offer,
+						 unsigned o_fmt_idx,
+						 pjmedia_sdp_media *answer,
+						 unsigned a_fmt_idx,
+						 unsigned option)
+{
+    /* Negotiated format-param field-names constants. */
+    const pj_str_t STR_OCTET_ALIGN	= {"octet-align=", 12};
+    const pj_str_t STR_CRC		= {"crc=", 4};
+    const pj_str_t STR_ROBUST_SORTING	= {"robust-sorting=", 15};
+    const pj_str_t STR_INTERLEAVING	= {"interleaving=", 13};
+
+    /* Negotiated params and their default values. */
+    unsigned a_octet_align = 0, o_octet_align = 0;
+    unsigned a_crc = 0, o_crc = 0;
+    unsigned a_robust_sorting = 0, o_robust_sorting = 0;
+    unsigned a_interleaving = 0, o_interleaving = 0;
+
+    const pjmedia_sdp_attr *attr_ans;
+    const pjmedia_sdp_attr *attr_ofr;
+    pjmedia_sdp_fmtp fmtp;
+    pj_status_t status;
+
+    /* Parse offerer FMTP */
+    attr_ofr = pjmedia_sdp_media_find_attr2(offer, "fmtp", 
+					    &offer->desc.fmt[o_fmt_idx]);
+    if (attr_ofr) {
+	status = pjmedia_sdp_attr_get_fmtp(attr_ofr, &fmtp);
+	if (status != PJ_SUCCESS)
+	    return status;
+
+	GET_FMTP_IVAL(o_octet_align, fmtp, STR_OCTET_ALIGN, 0);
+	GET_FMTP_IVAL(o_crc, fmtp, STR_CRC, 0);
+	GET_FMTP_IVAL(o_robust_sorting, fmtp, STR_ROBUST_SORTING, 0);
+	GET_FMTP_IVAL(o_interleaving, fmtp, STR_INTERLEAVING, 0);
+    }
+
+    /* Parse answerer FMTP */
+    attr_ans = pjmedia_sdp_media_find_attr2(answer, "fmtp", 
+					    &answer->desc.fmt[a_fmt_idx]);
+    if (attr_ans) {
+	status = pjmedia_sdp_attr_get_fmtp(attr_ans, &fmtp);
+	if (status != PJ_SUCCESS)
+	    return status;
+
+	GET_FMTP_IVAL(a_octet_align, fmtp, STR_OCTET_ALIGN, 0);
+	GET_FMTP_IVAL(a_crc, fmtp, STR_CRC, 0);
+	GET_FMTP_IVAL(a_robust_sorting, fmtp, STR_ROBUST_SORTING, 0);
+	GET_FMTP_IVAL(a_interleaving, fmtp, STR_INTERLEAVING, 0);
+    }
+
+    /* First, match crc, robust-sorting, interleaving settings */
+    if (a_crc != o_crc ||
+	a_robust_sorting != o_robust_sorting ||
+	a_interleaving != o_interleaving)
+    {
+	return PJMEDIA_SDP_EFORMATNOTEQUAL;
+    }
+
+    /* Match octet-align setting */
+    if (a_octet_align != o_octet_align) {
+	/* Check if answer can be modified to match to the offer */
+	if (option & PJMEDIA_SDP_NEG_FMT_MATCH_ALLOW_MODIFY_ANSWER) {
+	    status = amr_toggle_octet_align(pool, answer, a_fmt_idx);
+	    return status;
+	} else {
+	    return PJMEDIA_SDP_EFORMATNOTEQUAL;
+	}
+    }
+
+    return PJ_SUCCESS;
+}