Changes between Initial Version and Version 1 of CodecPerformance

Timestamp:

Jan 8, 2008 10:17:51 PM (16 years ago)

Author:

bennylp

Comment:

--

CodecPerformance

@@ +1 @@
+Result without VAD, in cycles per sample:
+{{{
+ pcmu            12.90
+ pcma            13.05
+ gsm             1436.85
+ speex/16000     5577.65
+ speex/8000      9868.60
+}}}
+
+Result with VAD, in cycles per sample:
+{{{
+  pcmu            24.47
+  pcma            23.95
+  gsm             1538.53
+  speex/16000     5578.68
+  speex/8000      10026.28
+}}}
+
+Code:
+{{{
+#include <pjsua-lib/pjsua_internal.h>
+
+static __declspec(naked) unsigned tick(void)
+{
+    __asm {
+        rdtsc
+        ret
+    }
+}
+
+static void codec_test()
+{
+    pj_str_t ci[16];
+    pjmedia_endpt *med_ept = pjsua_var.med_endpt;
+    pjmedia_codec_mgr *cm;
+    unsigned i, count;
+    pj_status_t status;
+
+    cm = pjmedia_endpt_get_codec_mgr(med_ept);
+
+    ci[0] = pj_str("pcmu");
+    ci[1] = pj_str("pcma");
+    ci[2] = pj_str("gsm");
+    ci[3] = pj_str("speex/16000");
+    ci[4] = pj_str("speex/8000");
+    count = 5;
+
+    for (i=0; i<count; ++i) {
+        pjmedia_codec_info *pci;
+        unsigned c=1;
+        pjmedia_codec *codec;
+        pj_pool_t *pool = pjsua_pool_create("test", 1000, 1000);
+        pjmedia_port *wav;
+        pj_int16_t framebuf[320];
+        pjmedia_frame frame;
+        unsigned t, totsamp;
+        pjmedia_codec_param param;
+
+        status = pjmedia_codec_mgr_find_codecs_by_id(cm, &ci[i], &c, &pci, NULL);
+        pj_assert(status == PJ_SUCCESS);
+
+        //if (pci->pt != 0)
+        //    continue;
+
+        status = pjmedia_codec_mgr_get_default_param(cm, pci, &param);
+        pj_assert(status == PJ_SUCCESS);
+
+        if (pci->clock_rate == 8000) {
+            status = pjmedia_wav_player_port_create(pool, "../bin/d8.wav", param.info.frm_ptime, PJMEDIA_FILE_NO_LOOP, 0, &wav);
+        } else if (pci->clock_rate == 16000) {
+            status = pjmedia_wav_player_port_create(pool, "../bin/d16.wav", param.info.frm_ptime, PJMEDIA_FILE_NO_LOOP, 0, &wav);
+        } else if (pci->clock_rate == 32000) {
+            status = pjmedia_wav_player_port_create(pool, "../bin/d32.wav", param.info.frm_ptime, PJMEDIA_FILE_NO_LOOP, 0, &wav);
+        } else {
+            continue;
+        }
+
+        pj_assert(status == PJ_SUCCESS);
+
+        status = pjmedia_codec_mgr_alloc_codec(cm, pci, &codec);
+        pj_assert(status == PJ_SUCCESS);
+
+        status = codec->op->init(codec, pool);
+        pj_assert(status == PJ_SUCCESS);
+
+        param.setting.vad = 1;
+
+        status = codec->op->open(codec, &param);
+        pj_assert(status == PJ_SUCCESS);
+
+        frame.buf = (char*)framebuf;
+        frame.size = param.info.frm_ptime * pci->clock_rate / 1000 * 2;
+
+        t = 0;
+        totsamp = 0;
+
+        while (pjmedia_port_get_frame(wav, &frame)==PJ_SUCCESS && frame.type==PJMEDIA_FRAME_TYPE_AUDIO) {
+            char outputbuf[320];
+            pjmedia_frame output;
+            unsigned t0, t1;
+
+            totsamp += param.info.frm_ptime * pci->clock_rate / 1000;
+
+            output.buf = outputbuf;
+            output.size = sizeof(outputbuf);
+            t0 = tick();
+            status = codec->op->encode(codec, &frame, sizeof(outputbuf), &output);
+            t1 = tick();
+            pj_assert(status == PJ_SUCCESS);
+            //if (status != PJ_SUCCESS) {
+            //  int j=0;
+            //}
+
+            t += (t1 - t0);
+
+            frame.size = param.info.frm_ptime * pci->clock_rate / 1000 * 2;
+        }
+
+        pjmedia_port_destroy(wav);
+        codec->op->close(codec);
+        pjmedia_codec_mgr_dealloc_codec(cm, codec);
+        pj_pool_release(pool);
+
+        PJ_LOG(3,("test", "%u\t%.*s\t%3.2f", 
+                    pci->clock_rate, ci[i].slen, ci[i].ptr, 
+                    t * 1.0 / totsamp));
+    }
+}
+}}}