- more work on EVS

2020-06-15 17:54:28 +03:00
parent 46c355e29a
commit 3bffbb446d
29 changed files with 236 additions and 171 deletions
@@ -1,6 +1,122 @@
 #include "MT_EvsCodec.h"

-//bool 
+
+
+/*-------------------------------------------------------------------*
+* rate2AMRWB_IOmode()
+*
+* lookup AMRWB IO mode
+*-------------------------------------------------------------------*/
+
+static Word16 rate2AMRWB_IOmode(
+    Word32 rate                    /* i: bit rate */
+);
+
+/*Revers Function*/
+extern Word16 AMRWB_IOmode2rate(
+    Word32 mode
+);
+
+/*-------------------------------------------------------------------*
+* rate2EVSmode()
+*
+* lookup EVS mode
+*-------------------------------------------------------------------*/
+extern Word16 rate2EVSmode(
+    Word32 rate                    /* i: bit rate */
+);
+
+/*Revers Function*/
+extern Word16 EVSmode2rate(
+    Word32 mode
+);
+
+#define CMR_OFF	   -1
+#define CMR_ON		0
+#define CMR_ONLY	1
+
+
+static const std::map<int, std::set<int>> BitrateToBandwidth_Tab{
+    {5900,     {NB, WB}},
+    {7200,     {NB, WB}},
+    {8000,     {NB, WB}},
+    {9600,	   {NB, WB, SWB}},
+    {13200,	   {NB, WB, SWB}}, //if channel aware mode - WB, SWB
+    {16400,    {NB, WB, SWB, FB}},
+    {24400,    {NB, WB, SWB, FB}},
+    {32000,    {WB, SWB, FB}},
+    {48000,    {WB, SWB, FB}},
+    {64000,    {WB, SWB, FB}},
+    {96000,    {WB, SWB, FB}},
+    {128000,   {WB, SWB, FB}}
+};
+
+/* Protected payload size/Fixed bitrate to EVS ()*/
+static const std::map<int, int> Bitrate2PayloadSize_EVSAMR_WB{
+       /*{bitrate, payload size}*/
+             { SID_1k75,        56}, //AMR-WB I/O SIB
+             {ACELP_6k60,       136},
+             {ACELP_8k85,       184},
+             {ACELP_12k65,      256},
+             {ACELP_14k25,      288},
+             {ACELP_15k85,      320},
+             {ACELP_18k25,      368},
+             {ACELP_19k85,      400},
+             {ACELP_23k05,      464},
+             {ACELP_23k85,      480}
+};
+
+static const std::map<int, int> Bitrate2PayloadSize_EVS{
+        /*{bitrate, payload size}*/
+            {FRAME__NO_DATA,    0},
+            {SID_2k40,          48}, //EVS Primary SID
+            {PPP_NELP_2k80,     56},  //special for full header
+            {ACELP_7k20,        144},
+            {ACELP_8k00,        160},
+            {ACELP_9k60,        192},
+            {ACELP_13k20,       264},
+            {ACELP_16k40,       328},
+            {ACELP_24k40,       488},
+            {ACELP_32k,         640},
+            {ACELP_48k,         960},
+            {ACELP_64k,         1280},
+            {HQ_96k,            1920},
+            {HQ_128k,           2560}
+};
+
+/* Protected payload size/Fixed bitrate to EVS ()*/
+static const std::map<int, int> FixedPayload_EVSPrimary{
+    /*{payload size , bitrate}*/
+                {48,        2400}, //EVS Primary SID
+                {56,        2800},  //special for full header
+                {144,       7200},
+                {160,       8000},
+                {192,       9600},
+                {264,       13200},
+                {328,       16400},
+                {488,       24400},
+                {640,       32000},
+                {960,       48000},
+                {1280,      64000},
+                {1920,      96000},
+                {2560,      128000}
+};
+
+static const std::map<int, int> FixedPayload_EVSAMR_WB{
+    /*{payload size , bitrate}*/
+                {136,       6600},
+                {184,       8850},
+                {256,       12650},
+                {288,       14250},
+                {320,       15850},
+                {368,       18250},
+                {400,       19850},
+                {464,       23050},
+                {480,       23850}
+};
+
+namespace MT
+{

 EVSCodec::EVSFactory::EVSFactory(StreamParameters sp) : _sp(sp)
 {}
@@ -204,3 +320,5 @@ void EVSCodec::initDecoder(const StreamParameters& sp)
    srand(static_cast<unsigned int>(time(nullptr)));

 }
+
+} // end of namespace MT