It works !!!!

- Put correct value to CONFIG_MAIN_TASK_STACK_SIZE=65000

components/libmp3lame/library/bitstream.c

@@ -987,10 +987,11 @@ format_bitstream(lame_internal_flags * gfc)
 static int
 do_gain_analysis(lame_internal_flags * gfc, unsigned char* buffer, int minimum)
 {
+#ifdef DECODE_ON_THE_FLY
     SessionConfig_t const *const cfg = &gfc->cfg;
     RpgStateVar_t const *const rsv = &gfc->sv_rpg;
     RpgResult_t *const rov = &gfc->ov_rpg;
-#ifdef DECODE_ON_THE_FLY
+
     if (cfg->decode_on_the_fly) { /* decode the frame */
         sample_t pcm_buf[2][1152];
         int     mp3_in = minimum;

components/libmp3lame/library/gain_analysis.c

@@ -290,7 +290,7 @@ ResetSampleFrequency(replaygain_t * rgData, long samplefreq)
 
     for (int i=0; i<12000; i++)
     {
-    	gfc->sv_rpg.rgdata->A[i]=0;
+    	rgData->A[i]=0;
     }
 
 
@@ -316,7 +316,7 @@ InitGainAnalysis(replaygain_t * rgData, long samplefreq)
 
     for (int i=0; i<12000; i++)
     {
-    	gfc->sv_rpg.rgdata->B[i]=0;
+    	rgData->B[i]=0;
     }
 
     return INIT_GAIN_ANALYSIS_OK;

components/libmp3lame/library/quantize_pvt.c

@@ -357,13 +357,14 @@ iteration_init(lame_internal_flags * gfc)
             adj43asm[i] = i - 0.5 - pow(0.5 * (pow43[i - 1] + pow43[i]), 0.75);
 #else
         for (i = 0; i < PRECALC_SIZE - 1; i++){
-        	if (0.5 * (pow43[i] + pow43[i + 1]) == 0) adj43[i] = (i + 1);
+     //   	if (0.5 * (pow43[i] + pow43[i + 1]) == 0) adj43[i] = (i + 1);
             adj43[i] = (i + 1) - pow(0.5 * (pow43[i] + pow43[i + 1]), 0.75);
         }
         adj43[i] = 0.5;
 #endif
         for (i = 0; i < Q_MAX; i++)
             ipow20[i] = pow(2.0, (double) (i - 210) * -0.1875);
+
         for (i = 0; i <= Q_MAX + Q_MAX2; i++)
             pow20[i] = pow(2.0, (double) (i - 210 - Q_MAX2) * 0.25);
 

main/lame_test.c

@@ -11,6 +11,10 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include "machine.h"
+#define Q_MAX (256+1)
+extern FLOAT ipow20[Q_MAX];
+
 extern const uint8_t Sample16kHz_raw_start[] asm("_binary_Sample16kHz_raw_start");
 extern const uint8_t Sample16kHz_raw_end[]   asm("_binary_Sample16kHz_raw_end");
 
@@ -22,15 +26,15 @@ void lameTest()
  int framesize = 0;
  int num_samples_encoded = 0, total=0;
  size_t free8start, free32start;
- const int nsamples=1152;
+ int nsamples=1152;
  unsigned char *mp3buf;
- const int mp3buf_size=2000;
+ const int mp3buf_size=2000;  //mp3buf_size in bytes = 1.25*num_samples + 7200
 
- free8start=xPortGetFreeHeapSizeCaps(MALLOC_CAP_8BIT);
+  free8start=xPortGetFreeHeapSizeCaps(MALLOC_CAP_8BIT);
  free32start=xPortGetFreeHeapSizeCaps(MALLOC_CAP_32BIT);
  printf("pre lame_init() free mem8bit: %d mem32bit: %d\n",free8start,free32start);
 
- mp3buf=malloc(mp3buf_size*sizeof(int));
+ mp3buf=malloc(mp3buf_size);
 
  /* Init lame flags.*/
  lame = lame_init();
@@ -81,15 +85,15 @@ void lameTest()
  pcm_samples = (short int *)Sample16kHz_raw_start;
  pcm_samples_end = (short int *)Sample16kHz_raw_end;
 
- while ( (pcm_samples_end - pcm_samples) > 0)
+ while ( pcm_samples_end - pcm_samples > 0)
+ //for (int j=0;j<1;j++)
  {
-//	 printf("\n=============== lame_encode_buffer_interleaved================ \n");
-
+	     printf("\n=============== lame_encode_buffer_interleaved================ \n");
  /* encode samples. */
 
 	  num_samples_encoded = lame_encode_buffer_interleaved(lame, pcm_samples, nsamples, mp3buf, mp3buf_size);
 
-    // printf("number of samples encoded = %d\n", num_samples_encoded);
+     printf("number of samples encoded = %d pcm_samples %p \n", num_samples_encoded, pcm_samples);
 
      /* check for value returned.*/
      if(num_samples_encoded > 1) {
@@ -115,10 +119,10 @@ void lameTest()
 
     // printf("Contents of mp3buffer = ");
      for(int i = 0; i < num_samples_encoded; i++) {
-       printf("%02X ", mp3buf[i]);
+    	 printf("%02X", mp3buf[i]);
      }
 
-    pcm_samples += nsamples;  // nsamples*2 ????
+    pcm_samples += (nsamples*2);  // nsamples*2 ????
 
  }
 

sdkconfig

@@ -111,7 +111,7 @@ CONFIG_FOUR_MAC_ADDRESS_FROM_EFUSE=y
 CONFIG_NUMBER_OF_MAC_ADDRESS_GENERATED_FROM_EFUSE=4
 CONFIG_SYSTEM_EVENT_QUEUE_SIZE=64
 CONFIG_SYSTEM_EVENT_TASK_STACK_SIZE=4096
-CONFIG_MAIN_TASK_STACK_SIZE=204800
+CONFIG_MAIN_TASK_STACK_SIZE=65000
 CONFIG_NEWLIB_STDOUT_ADDCR=y
 # CONFIG_NEWLIB_NANO_FORMAT is not set
 CONFIG_CONSOLE_UART_DEFAULT=y