shithub: mp3dec

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mp3dec_ex: PSNR test may fail in case of seek at very end of file (to few samples readed) and max_diff=1,
so make some room to calculate RSNR and read at least 150 samples

--- a/minimp3_test.c

+++ b/minimp3_test.c

@@ -116,6 +116,7 @@

     } else if (MODE_STREAM == mode)

     {

         mp3dec_ex_t dec;

+        size_t readed;

         res = mp3dec_ex_open(&dec, input_file_name, MP3D_SEEK_TO_SAMPLE);

         info.samples = dec.samples;

         info.buffer  = malloc(dec.samples*sizeof(int16_t));

@@ -124,7 +125,7 @@

         if (position < 0)

         {

             srand(time(0));

-            position = info.samples ? (uint64_t)(info.samples - 1)*rand()/RAND_MAX : 0;

+            position = info.samples > 150 ? (uint64_t)(info.samples - 150)*rand()/RAND_MAX : 0;

             printf("info: seek to %d/%d\n", position, (int)info.samples);

         }

         if (position)

@@ -135,11 +136,16 @@

             ref_size -= skip_ref;

             mp3dec_ex_seek(&dec, position);

         }

-        mp3dec_ex_read(&dec, info.buffer, info.samples);

+        readed = mp3dec_ex_read(&dec, info.buffer, info.samples);

+        if (readed != info.samples)

+        {

+            printf("error: mp3dec_ex_read() readed less than expected\n");

+            exit(1);

+        }

         mp3dec_ex_close(&dec);

     } else

     {

-        printf("error: unknown mode");

+        printf("error: unknown mode\n");

         exit(1);

     }

     if (res)

@@ -146,7 +152,7 @@

     {

         if (ref_size)

         {

-            printf("error: file not found or read error");

+            printf("error: file not found or read error\n");

             exit(1);

         }

     }