if (*p != 5)
continue;
i++;
+ p = buf + i;
decoder_length = aac_read_decoder_length(p, &description_len);
PARA_INFO_LOG("decoder length: %d\n", decoder_length);
i += description_len;
}
-int find_stco(unsigned char *buf, unsigned buflen, int *skip)
+int aac_find_stco(unsigned char *buf, unsigned buflen, int *skip)
{
int i, ret;
*skip = i;
return ret;
}
+ PARA_WARNING_LOG("stco not found, buflen: %d\n", buflen);
+ return -E_STCO;
+}
+
+int aac_find_stsz(unsigned char *buf, unsigned buflen, unsigned *skip)
+{
+ int i, ret;
+
+ for (i = 0; i + 16 < buflen; i++) {
+ unsigned char *p = buf + i;
+ unsigned sample_count, sample_size;
+
+ if (p[0] != 's' || p[1] != 't' || p[2] != 's' || p[3] != 'z')
+ continue;
+ PARA_INFO_LOG("found stsz@%d\n", i);
+ i += 8;
+ sample_size = aac_read_int32(buf + i);
+ PARA_INFO_LOG("sample size: %d\n", sample_size);
+ i += 4;
+ sample_count = aac_read_int32(buf + i);
+ i += 4;
+ PARA_INFO_LOG("sample count: %d\n", sample_count);
+ *skip = i;
+ return sample_count;
+ }
+ PARA_WARNING_LOG("stsz not found, buflen: %d\n", buflen);
return -E_STCO;
}