@@ -39,6 +39,8 @@

 #include "libavutil/mathematics.h"

 #define INBUF_SIZE 4096

+#define AUDIO_INBUF_SIZE 20480

+#define AUDIO_REFILL_THRESH 4096

 /*

  * Audio encoding example

@@ -118,7 +120,7 @@ static void audio_decode_example(const char *outfilename, const char *filename)

     int out_size, len;

     FILE *f, *outfile;

     uint8_t *outbuf;

-    uint8_t inbuf[INBUF_SIZE + FF_INPUT_BUFFER_PADDING_SIZE];

+    uint8_t inbuf[AUDIO_INBUF_SIZE + FF_INPUT_BUFFER_PADDING_SIZE];

     AVPacket avpkt;

     av_init_packet(&avpkt);

@@ -155,12 +157,8 @@ static void audio_decode_example(const char *outfilename, const char *filename)

     /* decode until eof */

     avpkt.data = inbuf;

-    for(;;) {

-        avpkt.size = fread(inbuf, 1, INBUF_SIZE, f);

-        if (avpkt.size == 0)

-            break;

+        avpkt.size = fread(inbuf, 1, AUDIO_INBUF_SIZE, f);

-        avpkt.data = inbuf;

         while (avpkt.size > 0) {

             out_size = AVCODEC_MAX_AUDIO_FRAME_SIZE;

             len = avcodec_decode_audio3(c, (short *)outbuf, &out_size, &avpkt);

@@ -174,8 +172,19 @@ static void audio_decode_example(const char *outfilename, const char *filename)

             }

             avpkt.size -= len;

             avpkt.data += len;

+            if (avpkt.size < AUDIO_REFILL_THRESH) {

+                /* Refill the input buffer, to avoid trying to decode

+                 * incomplete frames. Instead of this, one could also use

+                 * a parser, or use a proper container format through

+                 * libavformat. */

+                memmove(inbuf, avpkt.data, avpkt.size);

+                avpkt.data = inbuf;

+                len = fread(avpkt.data + avpkt.size, 1,

+                            AUDIO_INBUF_SIZE - avpkt.size, f);

+                if (len > 0)

+                    avpkt.size += len;

+            }

         }

-    }

     fclose(outfile);

     fclose(f);