Changeset 2573 for pjproject/trunk/pjmedia/src/pjmedia-codec/ipp_codecs.c

Timestamp:

Apr 6, 2009 1:52:01 PM (15 years ago)

Author:

nanang

Message:

Ticket #778: Fixed IPP G722.1 codec to aware about endianness in packing/decoding G722.1 RTP payload.

File:

• pjproject/trunk/pjmedia/src/pjmedia-codec/ipp_codecs.c (modified) (3 diffs)

pjproject/trunk/pjmedia/src/pjmedia-codec/ipp_codecs.c

@@ -201 +201 @@
                               pj_size_t *pkt_size, pj_size_t max_pkt_size);
 
+static    void predecode_g7221( ipp_private_t *codec_data,
+                                const pjmedia_frame *rtp_frame,
+                                USC_Bitstream *usc_frame);
+static  pj_status_t pack_g7221( ipp_private_t *codec_data, void *pkt, 
+                                pj_size_t *pkt_size, pj_size_t max_pkt_size);
 
 /* IPP codec implementation descriptions. */
@@ -294 +299 @@
     {0, "G7221",    PJMEDIA_RTP_PT_G722_1_16, &USC_G722_Fxns,   16000, 1, 320, 
                     16000, 16000, 1, 0, 1,
-                    NULL, NULL, NULL,
+                    predecode_g7221, NULL, pack_g7221,
                     {1, {{{"bitrate", 7}, {"16000", 5}}} }
     },
     {1, "G7221",    PJMEDIA_RTP_PT_G722_1_24, &USC_G722_Fxns,   16000, 1, 320, 
                     24000, 24000, 1, 0, 1,
-                    NULL, NULL, NULL,
+                    predecode_g7221, NULL, pack_g7221,
                     {1, {{{"bitrate", 7}, {"24000", 5}}} }
     },
     {1, "G7221",    PJMEDIA_RTP_PT_G722_1_32, &USC_G722_Fxns,   16000, 1, 320, 
                     32000, 32000, 1, 0, 1,
-                    NULL, NULL, NULL,
+                    predecode_g7221, NULL, pack_g7221,
                     {1, {{{"bitrate", 7}, {"32000", 5}}} }
     },
@@ -564 +569 @@
 #endif /* PJMEDIA_HAS_INTEL_IPP_CODEC_AMR */
 
+
+#if PJMEDIA_HAS_INTEL_IPP_CODEC_G722_1
+
+static void predecode_g7221( ipp_private_t *codec_data,
+                             const pjmedia_frame *rtp_frame,
+                             USC_Bitstream *usc_frame)
+{
+    usc_frame->pBuffer = (char*)rtp_frame->buf;
+    usc_frame->nbytes = rtp_frame->size;
+    usc_frame->frametype = 0;
+    usc_frame->bitrate = codec_data->info->params.modes.bitrate;
+
+#if defined(PJ_IS_LITTLE_ENDIAN) && PJ_IS_LITTLE_ENDIAN!=0
+    {
+        pj_uint16_t *p, *p_end;
+
+        p = (pj_uint16_t*)rtp_frame->buf;
+        p_end = p + rtp_frame->size/2;
+        while (p < p_end) {
+            *p = pj_ntohs(*p);
+            ++p;
+        }
+    }
+#endif
+}
+
+static pj_status_t pack_g7221( ipp_private_t *codec_data, void *pkt, 
+                               pj_size_t *pkt_size, pj_size_t max_pkt_size)
+{
+    PJ_UNUSED_ARG(codec_data);
+    PJ_UNUSED_ARG(max_pkt_size);
+
+#if defined(PJ_IS_LITTLE_ENDIAN) && PJ_IS_LITTLE_ENDIAN!=0
+    {
+        pj_uint16_t *p, *p_end;
+
+        p = (pj_uint16_t*)pkt;
+        p_end = p + *pkt_size/2;
+        while (p < p_end) {
+            *p = pj_htons(*p);
+            ++p;
+        }
+    }
+#else
+    PJ_UNUSED_ARG(pkt);
+    PJ_UNUSED_ARG(pkt_size);
+#endif
+
+    return PJ_SUCCESS;
+}
+
+#endif /* PJMEDIA_HAS_INTEL_IPP_CODEC_G722_1 */
 
 /*